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VICINITY
MAP
Fig. 1
Pence Petroleum
N.E. corner of Beale Street
and Truxton Ave., Bakersfield
1741-90 C.T.L.
111-90 A.S.A.
~
.. Associated Soils Analysis
~, 1141 Batavia Court . Tulare, Callfornlll q3274
(209) 688·1011 · FAX (209) 782·8389
JOB I.OCATION:
JOB NUMBER:
\
N
Q)
c¡;
Q)
c:a
Estimated Portion of Plume
Requiring Remediation
"'- '
Gasoline Tanks
and
Dispenser Island
........
East T ruxtun
.
streetlight
East 18th
\
SCALE 1" = 20'
. Prior Boring Location
o Vapor Extraction/Inlet well
Approximate ND
Plume Boundary
Title
Pence Petroleum
901 E. T ruxtun
Bakersfield, California
SITE MAP
Exhibit
AauaGeoscienees. Inc.
1701 Westwind Drive Suite 103
Bakersfield, California 93301
Telephone: (80S) 328-0962
Fax 328-1129
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Fig. 3
JOB LOCATION:
Pence Petroleum
N.E. corner of Beale Street
and Truxton Ave., Bakersfield
1741-90 C.T.L.
111-90 A.S.A.
~
- --.;¡- Associated Soils Analysis
~ 1141 Balavlol COUr1 . Tular" California Q'3274
(209) 688-1011 . FAX (209) 782·83H9
JOB NUMBER:
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lJ,DaD bAl. PREMIUM / -------- FUEL PUMI' BLAND
UNLEADED PlEMOVED REMOVED
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TEST HOLE BORING SITE PLAN
LEGEND
_811 APPROXIJL4TE LOCATION OF
IV"'""'" T~STHOU BONNe
8B PREVIOUS TESTHOLE BORING
PI. P2 LOCATIONS DURING FUEL TANK
REMOVAL ON NOVEMBER 1. 1989
NORTH
SCALE: 1 "=20 I
API{ 0/7 - /lAD - 07
Pence Petroleum ,
N.E. corner of Beale Street
and Truxton Ave., Bakersfield
111-90 A.S.A.
1741-90 C.T.L.
JOB LOCATION:
JOB NUMBER:
Fig. 2
NOTES
t. SOIL SAMPLES COLLECTED 1flTH DRILLlNC
USINC 6-5/8" HOLLOJf STEM AUCERS AND
SPUT BARREL OR SPLIT SPOON SAMPLER
~
- Associated Soils Analysis
~' 1141 Batavia Court · Tulare. California 93274
(209) 688-1011 · FAX (209) 782-8389
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VICINITY
MAP
Fig. 1
JOB LOCATION:
Pence Petroleum
N.E. corner of Beale Street
and Truxtun Ave., Bakersfield
1741-90 C.T.L.
111-90 A.S.A.
~
.. Associated Soils Analysis
~ 1141 Baravla Court. Tulare, California Q3274
(209) 688-1011 · FAX (209) 782-8389
JOB NUMBER:
()~~i-
~7 / _,"~
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JOB LOCATION:
Pence Petroleum
N.E. corner of Beale Street
and Truxton Ave.) Bakersfield
1741-90 C.T.L.
111-90 A.S.A.
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~ , 1141 SaravIa Court . Tular.. California Q'3274
(209) 688·1011 . FAX (209) 782·83H9
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Fig. 1
Pence Petroleum
N.E. corner of Beale Street
and Truxton Ave., Bakersfield
1741-90 C.T.L.
111-90 A.S.A.
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lit Associated Soils Analysis
~ 1141 Batavia Court. Tulllre. California q3274
(209) 688-1011 · FAX (209) 782·8389
JOB LOCATION:
JOB NUMBER:
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JOB LOCATION:
Pence 'Petroleum
N.E. corner of Beale Street
and Truxton Ave., Bakersfield
l141-90 C.T.L.
111-90 A. S .A.
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__ Associated Solis Analysis
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MAP
JOB LOCATION:
Pence Petroleum
N.E. corner of Beale Street
and Truxton Ave., Bakersfield
1741-90 C.T.L.
111-90 A.S.A.
JOB NUMBER:
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APPROX 1M ATE LOC AT ION OF
PROPOSED THREE TO FOUR TESTHOLE
BORINGS
APPROXIM ATE LOC A TION OF
TESTHOLE BOR INGS JULY 9& 1 0,1990
APPROXIMATE LOCATION OF
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.JOB LOCATION: PENCE PETROLEUM
901 EAST TRUXTUN AVENUE
B AKERSF IELD , C A
.JOB NUMBER: 111-90 A.S.A.
1741-90 C.T.L.
FIGURE 5
NOTES
1. SOIL SAMPLES COLLECTED DURING
DRILLING WITH 4-1/4" INSIDE DIAMETER
HOLLOW STEM AUGERS AND SPLIT SPOON
SAMPLER OR CHRISTIANSON 94mm
WIRE CORE.
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E8
APPROXIMATE LOCATION OF SOIL
SAMPLES OBT A INED DUR ING FUEL
TANK REMOV AL NOVEMBER 1, 1 989
APPROXIMATE LOCATION OF
TESTHOLE BOR INGS JULY 9& 1 0,1990
APPROXIMATE LOCATION OF
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FIGURE 3
NOTES
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..IDJ APPROXIMATE LOCATION OF
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PI. P2 LOCATIONS DURING FUEL TANK
REMOVAL ON NOVEMBER I, 1989
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Fig. 2
NOTES
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t. SOIL SAMPLES COLLECTED WITH DRlLIJNC
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LEGEND
NOTES
_811 APPROXIMATE LOCATION 01'
QF-'- TZSTHOU BORING
,. SOIL SAMPLES COLLJ.'CTED "'lTH DR/WNG
USING 6-5/8" HOLLO" STEM AUGERS AND
SPUT BARREL OR SPLIT SPOON SAMPLER
IE
PI. P2
PREVIOUS TESTHOLE BORING
LOCATIONS DURING FUEL TANK
REMOVAL ON NOVEMBER 1, 1989
JOB NUMBER:
Pence Petroleum
N.E. corner of Beale Street
and Truxton Ave., Bakersfield
111-90 A. S .A.
1741-90 C.T.L.
C;ok~
NORTH
SCALE: 1"=20'
APt{ 017 - {løO - 07
JOB LOCATION:
- Associated Soils Analysis
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LEGEND
EE APPROXIMATE LOCATION OF SOIL
SAMPLES 08T AINED DURING FUEL
,.1.,.2 TANK REMOV AL NOVEMBER 1 . 1 389
. .'.' ..
~
82
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B3A
APPROXIMATE LOCATION OF
TESTHOLE BOR INGS JULY 9& 1 0,1990
APPROXIMATE LOCATION OF
TESTHOLE BORINGS NOV. 6&7,1990
Source: Associated Soils Analysis report 111-90 ASA
AguaGeosciences. Inc.
1701 Westwind Drive Suite 103
Bakersfield, California 93301
Telephone: (805) 328-0962
Fax 328-1129
Pence Petroleum
901 E. Truxtun
Bakersfield, California
Soil Sample Location Map
Exhibit
3
East Truxtun Avenue
o St\1I9hl
N.
~
SigHost
Sidewalk
x
Fence line
A'
Dirt Lot
Scale 1" = 10'
Key
. Testhole Borings
o Vapor Extraction Wells
. Vapor Inlet Wells
- Cross Sections
- -
- -
Sidewalk
o
15
20
5 10
o
Pole Anchor
AquaGeosciences, Inc.
1701 Westwind Drive, Suite 103
Bakersfield, California 93301
Telephone: (805) 328-0962
Fax: (805)32801129
Title
Pence Petroleum
901 E. Truxtun
Bakersfield, California
SITE MAP
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Exhibit '
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ENVIRONME'- AL HEALTH SERVIC§ DEPARTMENT
STEVE McCAllEY. R.E.H.S.
DIRECTOR
2700 aM- Street, Suite 300
Bakersfield. CA 93301
(805) 861-3636
(805) 861-3429 FAX
December 20, 1994
REMEDIAL ACTION COMPLETION CERTIFICATION
SUBJECT: Location:
Known As:
Site No.:
901 E. Truxtun Avenue, Bakersfield, CA
Pence Petroleum
150029
- RECElTiED -
lJ€C'J
' c J 1994
HAZ-
. M.4 r. DIll.
.
-j
Robb Pence
2700 Wear Street
Bakersfield, CA 93038
Dear Mr. Pence:
This letter confirms the completion of site investigation and remedial action for the underground
storage tank(s) at the above site. Thank you for your cooperation throughout this investigation.
With the provision that the information provided to this agency was accurate and representative
of site conditions, no further action related to the underground tank. release is required based
on the available information as set forth in California Code of Regulations, Title 23, Division
3, Chapter 16, Article 11, Section 2721(e) (Underground Storage Tank Corrective Action
Regulations).
"
If you have any questions regarding this matter, please contact Michael Driggs at (805)
861-3636, Extension 8744.
--- -~
- ~- ---------....---..
Sincerely,
Steve McCalley, Director
By: ¿~~
Program Supervisor
Hazardous Materials Management Program
A;..,.
SMc:MD:cas
\colt\l 50029.8
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§ Eo~CillC£:iJ ß nco
Groundwater Scientists · Environmental Consultants
-.
Additional Air/Vapor Inlet Wells
901 E. Truxtun Avenue
Bakersfield, California
Presented To:
Mr. Robb Pence
Presented By:
AquaGeosciences, Inc.
November, 1993
/'~'" ~:!'i
~ )"1 "12 :
Philip Goa~in, R.G. # 4779
Principal Hydrogeologist
ø I ~= ~
1701 Westwind Drive, Suite 101 · Bakersfield, California 93301
(805) 328-0962 · FAX (805) 328-1129
/
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TABLE OF CONTENTS
Page #
1.0 EXECUTIVE SUMMARY 1
2.0 INTRODUCTION 1
2.1 Facility Description 1
2.2 Project History 2
3.0 SCOPE OF WORK 5
4.0 FIELD ACTIVITIES 5
5.0 SOIL BORINGS 5
5.1 Boring Methods 6
5..2 Soil Sampling 6
5..3 Field Screening ot Soil Samples 6
5.4 AirNapor Inlet Well Installation 7
5.5 Analytical Results 8
6..0 DISCUSSION OF DRILLING AND ANALYTICAL RESULTS 9
7..0 SITE GEOLOGY 10
8.0 CONCLUSIONS 10
9.0 LIMITATIONS 11
Exhibit 1
Exhibit 2
Exhibit 3
Exhibit 4
Exhibit 5
Exhibit 6
Exhibit 7
Exhibit 8
EXHIBITS
Vicinity Map
Site Map
Soil Sample Location Map
VI-4 Completion Detail
VI-5 Completion Detail
VI-6 Completion Detail
Cross Section A-A'
Cross Section B-B'
APPENDICES
Appendix A Boring Logs
Appendix B Analytical Results and Chain-ot-Custody: Soil Borings
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1.0 EXECUTIVE SUMMARY
Gasoline impacted soils were discovered during the removal of three underground
fuel tanks in November, 1989 at the Pence Petroleum Company facility located at 901
E. Truxtun Avenue in Bakersfield, California. Laboratory analysis revealed soil
beneath the former tanks and dispenser was impacted with petroleum hydrocarbons.
In July and November 1990 four soil borings were advanced a maximum depth of 120
feet below surface grade, but failed to define the vertical and lateral extent of the
plume. In October 1991 a Site Assessment to define the extent of impacted soils and
install vapor inlet and extraction wells was performed by AquaGeosciences Inc. (AGI)
in which four soil borings were advanced and sampled. The borings were advanced
beneath the former tank cluster and dispenser island where the highest levels of
petroleum hydrocarbons were previously detected. The interpretation of data
collected showed that soils beneath the former gasoline tank cluster are impacted to a
depth ranging between 71.5 to 86 feet below the surface grade (bsg) in VI-4 to
between 100 and 105 feet (bsg) in boring VE-1, and below 120 feet (bsg) at the B3A
location. Subsequent to the installation of the additional vapor inlet and extraction
wells a remedial program was initiated using an internal combustion engine to remove
the soil vapors from the impacted area and to destroy the hydrocarbons entrained in
the vapor stream.
Additional air/vapor inlet wells were drilled and installed in October, 1993 to enhance
the remedial program and soil samples were collected to evaluate the effectiveness of
the remediation to date. Laboratory analysis of soil samples collect from the additional
wells indicated the petroleum constituents have been significantly reduced in
concentration and that TPH as gasoline concentrations has been significantly reduced
in all but the southern portion of the plume.
2.0 INTRODUCTION
Rob Pence of Pence Petroleum Company, authorized AquaGeosciences, Inc. (AGI) to
install air/vapor inlet wells as part of the ongoing soil vapor remediation operations at
the subject site located on East Truxtun Avenue. This report presents a summary of
the field operations, laboratory analyses, and a discussion of the analytical results of
this project.
2.1 Facility Description
The site, known as Pence Petroleum Company, is located at 901 E. Truxtun Avenue,
on the southeast corner of East Truxtun and Beale Avenues in Bakersfield, California
(Exhibit 1). The property parcel number is APN 017-160-07-00-0.
The property is currently unoccupied and was formerly operated as Pence Automated
Fuels by the Pence Petroleum Company. Prior to 1986, the site was owned by Davies
Oil, Bakersfield, California, and was used as an automated cardlock fueling station.
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Exhibit 2 shows the former locations of the site facilities, as well as the former borings
and existing wells.
Positioned to the south-southeast of downtown Bakersfield, land use surrounding the
site is varied in nature ranging from Light and Service Industrial to High Residential as
indicated by the Metropolitan Bakersfield 2010 General Plan - East Map (3-7-90,
updated 10-14091). On three sides (north, west, and south) the site abuts public
streets (East Truxtun, Beale, and East 18th Street, respectively). To the east, at 985
East Truxtun, is Signet Hardware, Inc. Residential areas lie to the south and southeast
of the site.
2.2 Project History
In 1986 Pence Petroleum purchased the site from Davies Oil of Bakersfield. On
November 1, 1989, two (2) 6,000-gallon underground gasoline storage tanks, one (1)
10,OOO-gallon underground gasoline storage tank, one dispenser island and
associated product lines were removed from Pence Petroleum's Automated Fuels
Card lock. Soil samples were collected from 2 and 6 feet beneath the former tanks at
the time of their removal as shown on Exhibit 3. Table 1 summarizes the results of the
laboratory analyses of the soil samples reported in the Associated Soils Analysis, Inc.,
Site Assessment Study of December 28, 1990, on file with the County.
SAMPLE LOCATION
P1-2'
P2-6'
P3-2'
P4-6'
P5-2'
P6-6'
P7-2'
PS-6'
P9-2'
P10-6'
P11-2'
P12-6'
P13-2'
P14-6'
P15-2'
P16-6'
TEST METHOD:
Minimum
Reporting Levels:
NO
TABLE 1
Summary of Laboratory Analyses
Tanks and Fuel Island Removal
November 1, 1989
(Soil in ppm)
Benzene Toluene Xylenes Ethyl-Benzene :œf:Ugl
0.28 4.17 42.98 5,20 534.09
NO 0.38 8.51 0.84 127.88
NO NO 0.84 0.09 47.60
NO NO 0.24 ND 27.90
23.81 350.69 888.24 88.56 4550.10
58.81 588.24 1543.82 213.32 8843.63
NO NO NO NO NO
NO NO 0.72 0.05 31.52
2.40 48.95 222.26 14.10 1719.31
10.63 136.03 630.24 53.35 3491.08
NO 0.10 0.33 0.02 6.93
NO 0.03 0.16 NO NO
NO NO 0.11 NO 11.85
NO NO NO NO ND
NO NO NO NO NO
NO 0.54 2.32 0.26 65.55
TPH as gasoline by OHS LUFT Method 8015m and BTEX by EPA Method 8020
BTEX 0.03 ug/g
TPH 5.0 ug/g
Non-Detected
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The laboratory results indicated that the soil was impacted with petroleum fuel, with the
highest concentrations of petroleum constituents detected at the eastern ends of the
former tanks. Based upon these results, on March 2, 1990 the County requested a site
characterization to assess the extent of impacted soil.
Subsequent to the request, Associated Soils Analysis Inc.(ASA) advanced four soil
borings to a maximum depth of 120 feet below surface grade (bsg). Boring B-3 was
advanced in the vicinity of the former product line, believed to have originated the
release, and detected a maximum concentration of total petroleum hydrocarbons as
gasoline (TPHg) of 24,000 mg/kg at a depth of 50 feet (bsg). B-3 was terminated at a
depth of 80 feet (bsg) with TPHg concentrations of 4,700 mg/kg. Boring B-3A,
advanced ten feet to the west of B-3, detected various concentrations of TPHg ranging
between non detect to 0.62 between a depth of 90 to 120 feet (bsg). Chemical
analyses of these borings are summarized in Table 2 and reported in the Associated
Soils Analysis, Inc., Site Assessment Study of December 28, 1990, on file with the
County.
TABLE 2
Laboratory Results of Soils-Associated Soils Analysis Inc. Investigation
July 9 & 10 and November 6 and 7, 1990
ß.Q.rim¡ Qdl Benzene Toluene Ethvlbenzene ~ :ætl
B2 11 NO NO NO ND NO
82 16 NO NO NO NO NO
82 26 NO NO NO NO NO
B2 36 0.013 0.028 NO 0.0178 NO
82 51 0.29 0.49 0.030 0.179 5.2
83 11 3.1 49 13 184 1800
B3 31 21 340 78 480 4200
83 51 370 2000 400 2430 24000
83 71 340 1600 350 12080 18000
83 81 44 370 97 600 4700
B3A 90 0.061 0.006 0.069 0.022 0.54
B3A 95 0.073 0.062 0.38 0.31 2.2
B3A 100 0.008 0.006 0.023 0.018 NO
B3A 105 0.032 0.32 0.17 0.16 1.3
B3A 110 7.0 NO 11 ND NO
B3A 115 0.01 0.01 0.042 0.05 0.62
B3A 120 0.041 0.052 0.28 0.27 2
B4 75 0.078 0.009 NO 0.023 NO
B4 85 0.18 0.19 0.025 0.057 0.82
84 95 0.38 0.05 0.22 0.18 2.0
84 105 0.3 0.35 0.13 0.11 1.5
B4 110 NO NO NO NO NO
B4 115 NO NO NO NO NO
84 120 NO NO NO NO NO
All results in milligrams per kilogram
ND = HotJleŒJcØ:
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The Phase I assessment work performed by ASA did not delineate the vertical limit of
hydrocarbon impacted soil beneath the probable product line release, nor was the
study able to define the lateral limits of the plume towards the north, east, or south of
the site. The County requested an additional investigation to assess the lateral and
vertical extent of impacted soil.
In August, 1991 AquaGeosciences, Inc. (AGI) advanced four borings in compliance
with the Counties request and completed the borings as vapor extractionlinlet wells.
The borings were advanced to varying depths ranging between 40 to 105 feet (bsg).
Table 3 summarizes the laboratory analyses of select soil samples collected from the
soil borings. The laboratory reporting forms are included in Appendix B.
~
Laboratory Results of Soils-AquaGeosciences Inc. Investigation
August 21 through 30, 1991
ßQI:iw¡ QJUilll Benzene Toluene Ethylbenzene ~ IEti
VI-1 25 183.750 421.220 82.1 05 984.220 15000
VI-1 40 73.505 168.210 31.215 492.015 6625
VI-1 55 91.875 210.000 42.310 615.010 7420
VI-1 70 61.250 140.000 27.010 322.975 5105
VE-1 65 200.335 505.075 92.015 1105.125 17220
VE-1 85 147.310 323.015 52.710 779.875 12910
VE-1 100 0.995 1.210 0.275 4.225 125
VE-1 105 NO NO NO f\O N)
VE-2 35 0.335 1.010 0.105 2.220 120
VE-2 50 12.220 28.885 5.500 103.775 1850
VE-2 60 2.210 9.055 0.875 12.150 375
VE-2 80 NO NO NO r..o 30
VE-3 10 NO NO NO 0.105 80
VE-3 15 1.115 20.210 0.725 9.990 320
VE-3 20 11.775 26.210 3.330 88.845 1250
VE-3 30 17.200 50.270 7.710 161.075 1825
All results in milligrams per kilogram
NO =1iotJle~
Elevated concentrations of TPHg were encountered to a depth of approximately 100 ,
feet (bsg) in boring VE-1. The extraction well borings were positioned within the
vicinity of highest concentrations of soil contamination and completed with 30 to 40 of
screen over intervals selected on the basis of field screening results to initiate a soil
vapor extraction remediation program. An internal combustion engine was manifolded
to the extraction wells is being used to extract and destroy the hydrocarbo~s contained
in the soil vapor.
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AGI recommended the installation of the additional air/vapor inlet wells to enhance the
recovery of soil vapors. On October 13 and 14, 1993, AGI advanced three borings and
completed the borings as vapor inlet wells. The findings of that work is presented
herein.
3.0 SCOPE OF WORK
In October 1993, AGI was asked to drill and install additional air/vapor inlet wells to
a.ssist with the ongoing soil remediation program. AGl's Scope of Work for the project
follows:
*
Development of a Site Safety Plan;
*
Advance three borings and Install three (3) air/vapor inlet wells;
*
Collect soil samples for field screening and laboratory
analyses;
*
Prepare a report summarizing methods and results of the
laboratory analyses.
4.0 FIELD ACTIVITIES
Field activities included advancing three (3) testhole borings to accomplish the project
objectives. These borings were designated as VI-4, VI-5, and VI-6. Their locations are
shown on Exhibit 2, while the Boring Logs describing in detail the soils encountered
are presented in Appendix A.
The borings were advanced and completed as air/vapor inlet wells at the inferred
perimeter of soils significantly impacted with hydrocarbons based on previous drilling.
Boring VI-4 was advanced to 95 feet below surface grade (bsg) at a distance of
approximately 22.5 feet southwest from the VE-3 location. Boring VI-5 was advanced
to 40 feet (bsg) at a distance of approximately 20 feet southeast of the VE-3 location.
And boring VI-6 was advanced to 80 feet (bsg) at a distance of approximately 13 feet
east of the VI-1 location.
5.0 SOIL BORINGS
This section describes the methods used to advance, field screen, and sample the
three (3) soil borings, followed by a discussion of the analytical results.
5
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5.1 Boring Methods
The soil borings were advanced by Soils Engineering, Inc. (SEI) using a CME-75 rig
with an eight (8)-inch outer diameter hollow stem continuous flight auger in
a<:cordance with ASTM Method 01452-80 for soil investigations and sampling by
auger borings. The augers were steam cleaned prior to drilling each boring.
Cuttings from the borings were placed on heavy gauged visquene located in the
northwest corner of the site within the fenced enclosed area to aerate.
5.2 Soil Sampling
Soil samples were collected through the auger in two and a half (2 1/2) inch diameter
brass sleeves driven in a split-spoon sampler by a 140-pound hammer with a 30-inch
drop in accordance with ASTM methods 01586-84 for split-barrel sampling of soil and
0'1587-83 for thin-walled tube sampling of soils. The brass sleeves and sampler were
cleaned with Alconox and rinsed in deionized water prior to each use.
Soil samples from the borings were collected at five foot intervals, beginning at 10 and
15 feet (bsg). The blow counts, recovery, and lithology were recorded on field boring
logs. The lithology was described in accordance with the Unified Soils Classification
System and ASTM procedure 02488-84 for visual description and identification of
soils under the direct supervision of a California State Registered Geologist.
The soil samples were collected using three (3) six-inch long brass sleeves installed
inside a split-spoon sampler. Upon collection, the middle sample sleeve was
immediately capped, sealed, labeled in accordance with EPA protocols, recorded on a
chain-of-custody form, and stored in an iced cooler at four degrees centigrade (4°C) or
less, pending analysis by a California State certified laboratory. The bottom and top
sample sleeves were used for lithologic description and field screening, respectively.
5.~3 Field Screening of Soil Samples
The material from the top brass sleeve was placed in a mason jar to approximately 50
percent (50%) capacity, shaken, and stored for a period of 15 minutes. The top of the
mason jar was then pierced, and analyzed with a Foxboro Model 128 OV AIGC Flame-
ionizing detector (FIO). A standard headspace reading was collected at this time and
noted on the boring logs included in Appendix A. A summary of the FIO readings is
included in Table 4.
6
::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: TABLE 4 :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
SUMMARY OF AELD SCREENING' . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SOILS INVEST1GA TION
October 13 & 14. 1993
~:~:;¡:~~:::::::::::I~:~~;~:::::::::::::g:~i:~:~:~~(::::::::::::::::~:;:g~::::::::::::::::::::~~:~:i~~::::::::::::~~:~¡~::::::::::::g:~~~:~:i~~;:::::::::::::::::::::::~:¡:g:?:::::::
VI-4 1 5.5-6 0 VI-5 1 10-10.5 45
2 10.5-11 0 2 15-15.5 >1000
3 15.5-16 0 3 20-20.5 >1000
4 20.5-21 0 4 25-25.5 >1000
5 25.5-26 0 5 30-30.5 >1000
6 30.5-31 10 6 35-35.5 >1000
7 35.5-36 100 7 40-40.5 900
8 40.5-41 300
9 45.5-46 >1000
10 50.5-51 50
11 55.5-56 950
12 60.5-61 >1000
13 65.5-66 80
14 70.5-71 125
15 75.5-76 40
1 6 8 0 , 5 - 8 1 NR
17 85.5-86 90
18 90.5-91 NS
19 95.5-96 130
e
VI-6
1
2
3
4
5
6
7
8
9
1 0
1 1
12
1 3
1 4
15
16
N R = not recorded
NS = not sam Died
* Results reDorted in Darts Der million-volumn (oe mv
tit
5.5-6
10.5-11
15-15.5
20-20.5
25-25.5
30-30.5
35-35,5
40-40.5
45.5-46
50.5-51
55.5-56
60,5-61
65.5-66
70.5-71
75.5-76
80.5-81
o
o
o
o
o
200
28
4
>1000
55
>1000
120
310
750
>1000
500
:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
The soil sampling and field screening procedures described above were conducted in
accordance with accepted standards of care prevalent at this time and were performed
to ensure the acquisition of accurate data. The field screening results were used in
assisting the selection of soil samples for chemical analysis.
5.4 AirNapor Inlet Well Installation
Three (3) air/vapor inlet wells were installed and constructed as shown in Exhibits 4
through 6 at the soil boring locations identified as VI-4, VI-5, and VI-6. The borings
were advanced to depths of approximately 96.5,41.5, and 81.5 feet (bsg), respectively.
The screened interval was installed between the depth interval of 50-95 feet in VI-4
(Exhibit 4), between the depth interval of 10-40 feet in VI-5 (Exhibit 5) and between the
depth interval of 30-80 feet in VI-6 (Exhibit 6). The screen consisted of 0.020-inch
factory slotted, flush threaded, two-inch Schedule 40 PVC pipe. Blank Schedule 40
PVC pipe completed the well to surface and a bottom end-cap was placed below the
screen. No glues or chemicals were used in joining the PVC pipe. The annular filter
pack consisted of Number 3/12 Monterey Sand, placed between the interval from total
depth of one to three feet above the top of the screen. One to 2.5 feet of bentonite
7
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pellets were placed above the sand to form a seal. The pellets were hydrated with
clean potable water and allowed to set. A neat cement slurry was placed on top of the
plug and extended to six inches below surface grade.
5.5 Analytical Results
Twenty (20) soil samples were analyzed by Halcyon Laboratories of Bakersfield in
accordance with State guidelines and EPA protocols. All soil samples were analyzed
for TPHg and BTEX by EPA Method 8015 and 8020/5030. Practical Quantitation
Limits were 0.1 mg/kg for TPHg and 0.005 mg/kg for BTEX. The results of the
laboratory analyses are included in Appendix B and summarized on Table 5.
::::::::::¡::~¡:~::;~:!::t::t:::::::::::,:::;::::::::;:::;::::::::::::¡~:::!::::::::~:¡::::::::::::::::::t¡¡:::::::::iI:¡:¡:~::~::::::TABLE5::;::::!:::!~:!:::::¡!:!:::¡:!::!::!!!::II!:!::!::!!!:!¡!!:::::::!:!:!:!:::!:!:i:i:i!iII:i:i:i:!I:Ii:i::i!:i:i:~I:Ii!::iI:i:!ii!i:i¡i:i¡::i:i:i:¡!i!!:¡:¡:!i!!i!i:i::!Ii!Iii!i¡Ii:¡¡i!
SUMMARY OF LABOAATORY ANALYSIS
OF SOIL SAMPLES FROM SOILS INVESTIGATION*
::::::::::::::::;:::;:::::::;:~:::::::::!:::~:~~::,;~:;::~:::::::~~:~:~::::!~:~:~::!::::::;ii~::i:~:!::!:::::!!~::ii~i~:i:1:~~1;¡:j:~~:~~:~:::::~m¡::::::~:::::~~:::j:i!::::i:~::]:j:ti:t;i;i!:;!:!:~:::i:::iiiti:::::~::::i:i:::~::::~:~::::!::::::::::~:~:::::::::!:::::::~::::~:!::::~:~::::::::!::::::::::::::::::::~::::!:::::;:::::::::::::::::::i::::::::¡¡¡:::¡il
Sorino
VI-4
VI-5
VI-6
Ethyl Total
Samole Oeoth(ft) Benzene Toluene Benzene Xvlene TPH (Gas
V-4-35 36-36 5 NO NO NO NO 31
V-4-45 46-46 5 o 12 o 53 o 32 1 0 200
V-4-50 51-515 NO NO NO NO NO
c
V-4-60 61-615 o 78 2 0 NO 4.3 1000
V-4-65 66-66 5 NO NO NO NO NO
V-4-70 71-715 o 023 o 022 NO o 021 o 7
V-4-85 86-86 5 NO NO NO NO NO
V-4-95 96-96 5 NO NO NO NO NO
V-5-15 16-16 5 NO o 33 o 74 3 9 810
V-5-20 21-215 NO 2 3 3 2 9 5 910
V-S-30 31-315 o 2 3 7 2 5 1 1 1200
V-5-40 41-415 NO 1 0 NO 22 5200
V-6-25 26-26 5 NO NO NO NO NO
V-6-35 36-36 5 NO NO NO NO NO
V-6-40 41-415 NO NO NO NO 1 8
V-6-45 46-46 5 NO NO NO o 01 o 5
V-6-50 51-515 NO NO NO NO NO
V-6-55 56-56 5 NO o 009 NO o 015 3 9
V-6-70 71-715 NO NO NO NO NO
V-6-80 81-815 NO NO NO NO NO
* Results reported in mg/kg (ppm)
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6.0 DISCUSSION OF DRILLING AND ANALYTICAL RESULTS
Boring VI-4 was advanced in the southwest quarter of the property, south of the former
tank cluster, to a depth of approximately 96.5 feet (bsg). Field screening detected no
petroleum hydrocarbons in soil to a depth of approximately 30 feet (bsg). Below a
depth of 30 feet petroleum odors and FID meter readings ranged between 10 to
greater than 1000 ppmv. The highest concentrations were generally detected
between the depths of 45 to 60 feet (bsg). Select soil samples collected from 50 to 90
feet were chemically analyzed. The chemical analysis indicated the soil was non-
detect to minimally impacted with BTEX and ranged between non-detect to 1000 ppm
for TPHg. Two consecutive non-detects occurred at 86 and 96 feet (bsg).
Boring VI-5 was advanced to a depth of 41.5 feet (bsg) southeast of the former
underground tank cluster, and dispenser island. Elevated FID readings, primarily in
excess of 1000 ppmv and strong petroleum odors were detected by field screening
between the depths of 15 to 41 feet (bsg). Four select soil samples were submitted for
chemical analysis. The laboratory results indicted BTEX ranged between non-detect
to 22 ppm and TPHg ranged between 810 to 5200 ppm, increasing with depth.
Boring VI-6, located in the northeast corner of the property, was advanced to a depth of
81.5 feet (bsg). No petroleum hydrocarbons were detected or observed in soils to a
depth of approximately 30 feet (bsg). However, petroleum hydrocarbons were
detected in varying concentrations throughout the remaining length of the boring. FID
readings ranged between 4 to greater than 1000 ppmv, varying widely with no
discernible pattern. Chemical analysis of the soil samples indicated the soil contained
primarily non-detectable concentrations of BTEX and TPHg.
Exhibits 7 and 8 graphically show profiles of the hydrocarbon plume as indicated by
the concentrations of detected TPHg constituents. A comparison of previous analytical
data from boring locations VE-1, VE-3, and VI-1, respectively, with current analytical
data from VI-4, VI-5, and VI-6 indicate hydrocarbon concentrations are markedly
reduced from former levels. As an example, the highest concentrations detected in
soil samples collected from equivalent depth ranges show a hundred-fold reduction in
benzene concentrations between VE-1 and VI-4 and between VE-3 and VI-5, and a
thousand-fold reduction between VI-1 and VI-6. On the whole, BTEX has generally
been reduced to levels of low to non-detectable concentrations. TPHg shows a ten-
fold reduction between locations VE-1 and VI-4 and a ten thousand-fold reduction
between VI-1 and VI-6. At the VI-5 location TPHg was detected in higher
concentrations than in VE-3, indicating in the southern portion of the plume these
constituents have not yet responded to the soil vapor extraction treatment.
9
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e
¡'.O SITE GEOLOGY
The soil borings penetrated a sequence of unconsolidated sediments to a maximum
depth of 120 feet (bsg). The unconsolidated soils are Pleistocene non-marine flood-
plain fan deposits (California Division of Mines and Geology, 19641). The section
consists of alternating dense to very dense silty sands and sandy silts with
interbedded clay and poorly graded sand. The soils moisture content varied between
dry to moist, predominately slightly moist.
No free standing ground water was encountered during the October 1993 field
investigation. Published data (Kern County Water Agency, 19912 ) show that the
average depth to groundwater beneath the site approaches 200 to 250 feet (bsg) and
has a gradient to the south and southwest.
8.0 CONCLUSIONS
The maximum vertical extent of significantly impacted soil in the central portion of the
plume, based on earlier sampling, was approximately 100 feet below ground surface.
The lateral extent of the plume has been assessed to the east by VI-6 and to the west
by 8-4. The recently installed VI-5 indicates the plume extends to the south beyond
this vapor inlet well.
Laboratory analyses of soil samples collected from air/vapor inlet/extraction wells VI-4,
VI-5, and VI-6 indicate that the soil vapor extraction operation currently in operation
has significantly reduced volatile aromatic concentrations. For example,
concentrations of volatile aromatics in soil samples from VE-1 at 65 feet (drilled prior to
remediation) were benzene 200, toluene 505, ethylbenzene 92, and xylenes 1105
ppm, respectively. Concentrations of volatile aromatics in soil from VI-4 at 65 feet
resulted in non-detected concentrations for benzene, tolu.ene, ethylbenzene, and
xylenes. Similar reductions were noted for TPH as gasoline in VI-4 and VI-6; however,
relatively high concentrations of TPHg were indicated in VI-5.
Detectable air flow (approximately .5" of H20) vacuum was measured in the newly
installed air inlet wells shortly after installation indicating that these newly installed
wells will provide the additional oxygenation of the vapor inlet stream necessary for
efficient combustion as well as providing an air sweep of the impacted plume.
Groundwater has not been encountered in any of the drilling at the site, which has
penetrated to a depth of 120 feet. Published groundwater elevation data indicates that
the depth to groundwater beneath the site is in excess of 200 feet {Kern County Water
,l;aJIIOrnJ8. UIVISlon 01 Mines ano üeology, 1964, Geologic Map of California, Bakersfield Sheet.
2 Kern County Waler Agency, 1991, Waler Supply Report
10
e
e
Agency, Water Supply Report, 1991). The separation between groundwater and the
deepest hydrocarbon contamination is in excess of 100 feet, indicating that the
potential for contaminants impacting groundwater at this site is extremely low.
Finally, based on the recent analytical data, the vapor extraction system at the Pence
site is effectively remediating the hydrocarbon impacted soil. With the addition of the
air inlet wells, it is anticipated that the hydrocarbon removal rate will increase and that
remediation of significantly impacted soil will be complete within six (6) months.
9.0 LIMITATIONS
AGI performed this investigation in accordance with the generally accepted standards
of care which exist in Central California at this time. It should be recognized that
definition and evaluation of geologic conditions is a difficult and inexact science.
Judgments leading to conclusions and recommendations are generally made with
limited knowledge of subsurface conditions present. No warranty expressed or
implied, is made.
11
e
EXHIBITS
e
J
, 1.5'
3' ~
IT
95'
45'
WATER
TABLE
Sl
....
...... ....
............-- ........
¡¡¡¡¡¡¡¡¡¡¡¡ ~~ ¡¡¡I¡~
............ -- ..........
:11111111111 J 1111:":111:
::::::::::: == :::::.0
.:.:.:.:-: - - :.0
.......... -- ........
'::::::::::: ::::::::
.......... -- ........
¡¡¡¡¡¡¡¡¡¡ ~ ~ II~:
......... -- .........-
j¡¡¡¡¡¡ ~~ It}
......... -
;1111/111 I J I Illi ¡ i I"" !¡!:
::::::::::::: :::::::::::
ttt~~ttt
............ -- ............
:;:::::::;:::: ;:;::::::::
::ii::::"¡::::;,:::::";:t"
NEAT CEMENT
GROUT
BENTONITE
SEAL
MONTEREY SAND
OR EQUIVALENT
3/12
FLUSH THREADED 2 INCH
DIA. PVC SCREEN
SLOT SIZE 0.020 ..
FLUSH THREADED
END CAP
NOT TO
SCALE
AquaGeosciences. Inc.
1701 Westwind Drive Suite 103
Bakersfield, California 93301
Telephone: (805) 328-0962
Fax 328-1129
Title
WELL DIAGBAM
Pence Petroleum
VI-4 Completion Detail
Exhibit
4
-Í
, 2.5'
l' ~
IT
40'
30'
'y( A TER
TABLE
sz
NEAT CEMENT
GROUT
BENTONITE
SEAL
......
...... ....
............-- ........
¡¡¡¡¡i¡i¡i¡i~~i¡i¡i¡}
'1111'111111 J I/III,/Iil:
::~:~:~:~:~ ;; ~::::..
.......... - - ........
"::::::::::: ::::::::
.......... -- ........
¡¡¡1¡¡¡ ~ ~ ¡~It
......... -- ...........
J¡¡¡¡¡¡ ~~ ¡l¡¡¡¡¡!¡
.........-
~:~:~:~:~ =:: :::::::::=::
......... -- .............
,:llil11lill ! ~ lililililll:'
:::::::::::: == :::::::::::
:::::::1:'1:,,;:::::::::'"
MONTEREY SAND
OR EQUIVALENT
3/12
FLUSH THREADED 2 INCH
DIA. PVC SCREEN
SLOT SIZE 0.020 "
FLUSH THREADED
END CAP
NOT TO
SCALE
Aqua Geosciences. Inc.
1701 Westwind Drive Suite 103
Bakersfield, California 93301
Telephone: (805) 328-0962
Fax 328-1129
Title
WELL DIAGBAM
Pence Petroleum
VI-5 Completion Detail
Exhibit
5
-Í
+ 2.5'
2.5'~
IT
80'
50'
'vi A TER
TABLE
sz
....
...... ....
............ -- ........
"::::::::::: ::::::::
.......... -- ........
il¡II!! ~ ~ I~f:
......... -- ...........
Ii!i!ii ~~ i{¡if¡
: II'!I 1':1 i i ,:,'j:'I!I¡,
::::::::::= == :::::::::::
)tt ~~ mtit
............ -- ............
:::::::::::::: :::::::::::
:::::::1'11':,:::;,,'::::'·
NEAT CEMENT
GROUT
BENTONITE
SEAL
MONTEREY SAND
OR EQUIVALENT
3/12
FLUSH THREADED 2 INCH
DIA. PVC SCREEN
SLOT SIZE 0.020 It
FLUSH THREADED
END CAP
NOT TO
SCALE
AQuaGeosciences. Inc.
1701 Westwind Drive Suite 103
Bakersfield, California 93301
Telephone: (80S) 328-0962
Fax 328-1129
Title
WELL DIAGRAM
Pence Petroleum
VI-6 Completion Detail
Exhibit
6
o
8-4
Surface
VI-4
8-2
VE-1 VE-3
VI-1
VI-6
20'
ND
ND
40'
Screened Interval
60'
ND
80'
100'
ND
ND
ND
Scale 1" = 1 5'
TPHg Plume
120'
o
20'
I
40'
Title
Pence Petroleum
901 E. Truxtun
Bakersfield, California
Cross Section A -A '
Exhibit
AquaGeosciences, Inc.
1701 Westwind Drive, Suite 103
Bakersfield, California 93301
, Telephone: (805) 328-0962
L...::: (805) 328-1129
7
e
o
Surface
VE-2
VE-3
VI-S
Screened Interv
20'
40'
60'
80'
100'
TPHg Plume
Scale 1 " = 1 5'
120'
o
20'
I
40'
Exhibit
AquaGeosciences, Inc.
1701 Westwind Drive, Suite 103
~Bakersf;e'd' California 93301
Telephone: (805) 328-0962
Fax: (805) 328-1129
Title
Pence Petro~
901 E. Truxtun
Bakersfield, California
Cross Section 8-8'
8
·
APPENDIX A
BORING LOGS
e
e
Total depth of boring: 96.5' Diameter of boring: 6~ Date 10/14/93
Casing diameter: 2" Length: 50' Slot size: 0.020"
Screen diameter: 2" Length: 45' Material type: PVC
Drilling company: Soils Engineering, Inc. Project Geologist Patrick McCullough
Method used: ___J:!.Q!low Stem Auger
Signature of Registered Professional:
Registration No.: ___~è.è.~___ State:
P. Goalwin
CA
DEPTH SAMPLE .S.C.S DESCRIPTION LITHO WELL
CODE TYPE CON
NO. Surface
-0- oo ·
oo oo
oo ·
oo oo
·
-2- oo
·
oo
·
oo
·
Sand, some silt, very fine to med. oo
-4- ·
oo
25 0 SM coarse, It. brn., slightly moist, no oo
·
oo
odor, no stain ·
-6- oo
oo
·
oo
·
oo
-8- oo
oo
Sand, some silt, very fine to med. oo
-10- 44 0 SM oo
coarse, It. olive/brn., moist, no odor, oo
·
oo
-12- no stain oo
·
oo
·
oo
oo
-14- ·
oo
Sand, some silt, very fine to med. ·
oo
77 0 SM ·
coarse, It. olive/brn., slightly moist, ·
-16- oo
·
no odor, no stain oo
·
or
·
oo
-18- ·
oo
·
·
oo
·
Sand, some gravel, med. to gravel oo
-20- 36 0 SW/GW oo ·
oo oo
grade, orange/yellow, slightly moist, oo ·
oo oo
oo ·
no odor, no stain oo oo
-22- oo ·
oo ·
oo
oo ·
oo
·
oo or
Key: ~ ITIID~E:J. ~[D
:.:
SW ML CL SP SM SC GP
AQuaGeosciences. Inc.
1 701 Westwind Drive Suite 103
Bakersfield, California 93301
Telephone: (805) 328-0962
Fax 328-1129
Title
PENCE PETROLEUM
Bakersfield, California
Exhibit
BORING VI-4
DEPTH SAMPLE LOW uses DESCRIPTION LITHO WELL
NO. P.I.D. CODE TYPE CONST.
-24- Sand, some silt, fine to med. grade,
30 0 SM It. bm., slightly moist, no odor, no
-26- stain
-28- Sand some silt, fine to med. grade,
-30- 47 10 SM/ML It. orange/ bm., slightly moist,
very slight sewer odor, no stain
-32- Sand, silty sand, very fine to fine
-34- 90 ML grade, orange/bm., moist, moderate
odor, no stain
34 ................. .-.-.-.
-36- 100 SW Sand, med. to coarse, orange/grey, ................. .-.-.-.
slightly moist, moderate odor, no ................. .....-.
................. .-.-.-.
-38- stain . ............ .-.-.-.
............ .-.-.-.
Sand, trace gravel, med. to gravel ................. .-.-.-.
300 SW ................. .......
-40- 72 grade, orange/grey, moist, ................. .......
moderate odor, no stain . . . . . -.-
-42- 300 ML Silty sand, very fine to fine grade,
-44- bm., moist, odor, no stain
96 000 ML Silty sand, very fine to fine grade,
-46- + It. bm., moist, moderate to strong
odor, no stain
-48-
Sand, fine to coarse grade, It.
-50- 50 SW orange/buff, slightly moist,
-52- moderate petroleum odor, no stain
-54- Silty sand, very fine to fine grade, It.
59 950 ML
-56·· orange/bm., moist, moderate odor,
no stain
.
AQuaGeosciences. Inc.
1701 Westwind Drive Suite 103
Bakersfield, California 93301
Telephone: (80S) 328-0962
Fax 328-1129
Exhibit
Title
PENCE PETROLEUM
Bakersfield, Califomia
BORING VI-4
Page 2
·
DEPTH SAMPLE LOW USCS DESCRIPTION LITHO WELL
NO. P.I.D. CODE TYPE CONST.
-58-
Silty sand, trace clay, orange/brn.,
-60- 42 1000 ML slightly moist, strong petroleum
+ odor, no stain
-62-
-64- Silty sand, very fine to fine grade,
99 80 ML It. bm., slightly moist, strong to
-66- moderate odor, no stain
-68
MUCL Silty sand, some clay, very fine to
-70 45 125 fine grade, bm., moist, faint to
moderate odor, no stain
-72-
-74- Sandy silt, trace gravel, very fine
60 40 GM/ML to granular grade, red/orange,
-76- moist, faint to moderate odor, no
stain
-78-
93 ML Silt, some sand, very fine to fine
-80·· grade, bm., moist, moderate odor,
no stain
-82-
-84- Silty sand, very fine to coarse,
40 90 ML red/brn., moist, faint odor, no
-86·· stain
-88-
-90- NOT SAMPLED
Exhibit
AquaGeosciences. Inc.
1701 Westwind Drive Suite 103
Bakersfield, California 93301
Telephone: (80S) 328-0962
Fax 328-1129
Title
PENCE PETROLEUM
Bakersfield, California
BORING VI-4
Page 3
r
DEPTH SAMPLE
NO.
-92-
-94-
'e
USCS
LOW P.I.D. CODE
DESCRIPTION
Silty sand, some clay, very fine to
52 130 MUCL fine grade, brn., dry, very slight
odor, no stain
-96-
-98-
-1 00-
-102-
-1 04-
106-
108-
110-
112-
114-
116-
118-
120-
122-
124-
AQuaGeosciences. Inc.
1701 Westwind Drive Suite 103
Bakersfield, California 93301
Telephone: (805) 328-0962
Fax 328-1129
END OF BORING @ 96.5'
LITHO WELL
TYPE CONST.
Title
PENCE PETROLEUM
Bakersfield, California
BORING VI-4
Exhibit
Page 4
-
Drilling company:
Method used:
41.5'
Diameter of boring:
length:
length:
Soils Engineering, Inc.
Hollow Stem Auger
2 "
Date 10/13/93
Slot size: 0.020"
Material type: PVC
Project Geologist Patrick McCullough
6"
Total, depth of boring: _
Casing diameter.
Screen diameter:
2"
10'
30'
Signature of Registered Professional:
4779
P. Goalwin
Registration No.:
---
_ State:
CA
DEPTH SAMPLE
lOWS P.I.D. c~gËS
. DESCRIPTION
lITHO WELL
TYPE
NO.
Surface
-0-
-2-
-4-
NO SAMPlE
.. ..
-- ·
.. ..
·
.. ..
.. ..
-- ·
.. ..
.. ..
.. ..
.. ·
.. ..
-- ·
.. --
.. ·
.'
-- ..
..
·
or ..
.. ·
.. ..
-6-
-8-
-10-
14
45
SM
Sand, some silt, med. to very fine
grade, It. grey, moist, no odor, no stain
-12-
-14-
-16-
46 1000 SW Sand, trace silt, med. to very fine
grade, It. brn. to grey brn., slightly
+ moist, strong petroleum odor, no stain
47 1000 SP Sand, med. grade, It. grey/bm.,
slightly moist, strong petroleum odor,
+ no stain · . . .
· . . .
· . . .
· . . .
· . . .
-18-
-20-
-22-
Key: ~ nm E3 B III IZ3 (E
SW Ml Cl SP SM SC GP
ÄQuaGeosciences. Inc.
1701 Westwind Drive Suite 103
Bakersfield, California 93301
Telephone: (80S) 328-0962
Fax 328-1129
Title
PENCE PETROLEUM
Bakersfield, California
Exhibit
BORING VI-5
DEPTH SAMPLE
NO.
-24-
e
USCS
P.I.D. CODE
-26··
54 1000 SW
+
-28-
-30-
65 1000 SW/SM
+
-32-
-34-
-36-
66 1000 SM
+
-38-
-40-
77 1000 SW
+
-42-
-44-
-46-
-48-
-50-
-52-
-54-
-56-
AQuaGeosciences. Inc.
1701 Westwind Drive Suite 103
Bakersfield, California 93301
Telephone: (805) 328-0962
Fax 328-1129
DESCRIPTION
Sand, trace silt, fine to coarse grade,
It. grey/brn., slightly moist, strong
petroleum odor, no stain
Sand, some silt, med. to fine grade,
orange, slightly moist, strong
petroleum odor, no stain
Sand, silt, very fine to med. grade,
orange/brn., moist, strong odor,
no stain
Sand, very coarse to med. grade,
It. grey to yellow grey, slightly
moist, strong odor, no stain
END OF BORING @ 41.5'
LITHO WELL
TYPE CONST.
Title
PENCE PETROLEUM
Bakersfield, California
BORING VI-5
Exhibit
Page 2
·
Total depth of boring: 81.5' Diameter of boring: 6" Date 10/13/93
C . d· 2" 30'
aSlng lameter: Length: Slot size:, 0.020'
S d 2" 50'
creen iameter: Length:_ Material type: PVC
Drilling company: Soils Engineering..!. Inc. Project Geologist Patrick McCulloUQh
Method used: ___ Hollow Stem Auger __
Signature of Registered Professional: P. Goalwin
Registration No.: ___4779 __ State: _ CA
DEPTH SAMPLE LOWS P.I.D. .S.C.S DESCRIPTION LITHO WELL
CODE TYPE CON
NO. Surface
-0- -- --
oo oo
oo --
oo
--
-2- oo
oo
Sand, some silt, orange/brn., moist, oo
SM oo
oo
-4- no odor, no stain --
oo
13 0 oo
oo
--
ML Silt, some clay, trace sand, buff/brn., oo
-6- oo
dry, no odor, no stain oo
--
oo
-8- oo
oo
oo
Sand, some silt, very fine to med. oo
-10- 36 0 SM --
grade, orange/yellow, slightly oo
-12- moist, no odor, no stain oo
oo
-14- oo
Sand, trace silt, trace gravel, fine to --
78 0 SM/SP --
-16- very coarse, orange/yellow, slightly oo
moist, no odor, no stain oo
oo
oo
-18- --
--
oo
Sand, trace silt, fine to coarse grade, oo
-20- 88 0 SM/SP oo
--
orange/yellow, slightly moist, no odor, oo
--
oo
-22- no stain oo
oo
oo
oo
--
Key: f&3 IIIIIJ E3 Q . EZJ la
SW ML CL SP SM SC GP
AQuaGeosciences. Inc.
1701 Westwind Drive Suite 103
Bakersfield, California 93301
Telephone: (805) 328-0962
Fax 328-1129
Title
PENCE PETROLEUM
Bakersfield, California
Exhibit
BORING VI-6
DEPTH SAMPLE USCS lITHO WEll
NO. P.J.D. CODE DESCRIPTION TYPE CONST.
· . . . . --.
· . . . . .-.
-24- Sand, med. to very coarse grade, · . . . . ---
39 0 SP · . . . .
orange/yellow, slightly moist, no · . . . .
-26- odor, no stain · . . . .
· . . . .
-28- ML Silt, some sand, trace clay, very
fine to fine grade, grey, moist,
-30- 55 200 faint to mod. odor, slight stain
0
SP Sand, med. to very coarse, orange,
-32- slightly moist, very faint to no
odor, no stain
-34-
41 28 SM Sand, some silt, very coarse to fine
-36- grade, orange/It. brn., slightly
moist, faint odor, no stain
-38-
-40- 82 4 SP Sand, very coarse to fine grade, It.
grey., dry, very faint odor, no
stain
-42-
-44- Silt, some sand, med. to very fine
81 1000 SM/ML grade, It. brn., slightly moist,
-46- + strong petroleum odor, no stain
-48-
-50- 77 55 SW Sand, med. grade, It. grey, dry,
faint to mod. odor, no stain
-52-
-54- Sand, some silt, med. to fine grade,
44 1000 SM orange to yellow orange, slightly
-56- + moist, strong petroleum odor,
slight staining
AQuaGeosciences. Inc.
1701 Westwind Drive Suite 103
Bakersfield, California 93301
Telephone: (80S) 328-0962
Fax 328-1129
Title
PENCE PETROLEUM
Bakersfield, California
BORING VI-6
Exhibit
Page 2
DEPTH SAMPLE LOW USCS LITHO
PJ.D. CODE DESCRIPTION
NO. TYPE
-58-
-60- 38 120 ML Sandy silt, some clay, fine to very
fine grade, It. bm., to bm., moist,
-62- faint petroleum odor, no stain
-64- Sand, trave gravel, gravel to med.
84 310 SP
-66- grade, orange/bm., slightly moist,
very faint odor, no stain
-68
-70 55 750 SM Sand, some silt, trace gravel,
pebbles to fine grade, It. bm.,
-72- moist, faint odor, no stain
-74- Sand, some silt, coarse to fine
77 1000 SM
-76- + grade, It. grey to It. bm., slightly
moist, faint to mod. odor, no stain
-78- Sand, some gravel, trace silt,
500 GM
-80- 77 gravel grade, orange, slightly
500 moist, faint odor, no stain
-82- SM Sand, some silt, fine grade,
-84- orange, slightly moist, faint odor,
no stain
-86- END OF BORING @ 81.5'
-88-
-90-
e
AquaGeosciences. Inc.
1701 Westwind Drive Suite 103
I Bakersfield, Cal¡fcmta 93301
Telephone: (805) 328-0962
Fax 328-1129
Title
PENCE PETROLEUM
Bakersfield, California
BORING VI-6
Exhibit
Page 3
_u ------ e
e
APPENDIX B
ANALYTICAL RESULTS
AND
CHAIN OF CUSTODIES
.
~.ltá~
Ariz
Nevada
5327 Wingfoot Drive'
Bakersfield, CA 93306
(80s) 872-4750
Laboratory Results For
Pence Petroleum
901 East Truxtun Ave
EIakersfield. CA
Date Received : 8/23/91
Date Analyzed : 8/30/91
Analyst : J.S. Johnson
Lab NO. 910122
Sample Matrix ; soils
EIenzene
. mg/kg
Toluene
mg/kg
Ethylbenzene
mg/kg
Xylenes
mg/kg
Tot Pet Hyds
mg/Jcg
VI-l@25', 193.750 421.220 82.105 984.220 15,000
VI-l~40' 73.505 168.210 31.215 492.015 6,625
VI-l(i55' 91.875 210.000 42.310 615.010 7,420
VI-1970' 61,250 140.000 27.010 322.975 5,105
V,E- UÞ6 5 ' 200.335 505.075 92.015 1105.125 17.220
V!:-1~8S' 147.310 323.015 52.710 779.875 12.910
Vi-1@1100' .995 1.210 .275 4.225 125
VE-13105' ND Nt> NI) ND 30
All Results Reported in Milligrams per Kilogram
ND = Non Detectable: ¡PA 8020 (.OOS mg/kg)
iPA 8015 Modified for Gasoline (5 mg/leg)
Analysis of VOlatile Aromatics ; EPA 8020
-Analysis of Total Petroleum Hydrocarbons ; EPA 8015 Modified for Gasoline
*The TPH Method for Gasoline is the Calif DOHS Recommended procedure
Certificate Number
E739
tØ'd
6<=:H8<=:£
Certified Full Service On Site Analytical Laboratories
01 'JNl san 3lIEiOW WOö=! 8Ø:H t66t-8t-d3S
. tl~It-"'.","," ,.~_t""II"'_~ , .,.,.,...,., '~I""'~ ,....-"\...,~.., "~.... -",. I~ ^-.'I
..,. ""t::"'T""'7~~"'O
; --,........ ...,,~ .-~,..,
e
~.laIN, JIØ..
Arizor
Nevada
5327 Wlngfoot Drive
BakersfIeld. CA 93306
(805) 872-4750
Laboratory Results For :
Pence Petroleum
901 Bast Truxtun Ave
Bakersfield, CA
Date Received : 9/1/91
Date Analyzed : 9/9/91
Analyst : J.s. Johnson
Lab No. 910130
Sample Katrix ; Soils
Ben~ene
. mg /kg
Toluene
mg/kg
Ethylbenzene
mg/kg
Xylenes
mg/kg
Tot Pet Hyde
mg/kg
VE-233S' .335 1.010 .105 2.220 120
VE-2@SO' 12.220 28.885 5.5ÒO 103.775 1850
VE-2~60' 2.210 9.055 .875 12.150 375
VE-2tSO' ND ND ND ND 30
VE-3810' N'D ND ND .105 80
V!-3@lS' 1.115 20.210 .725 9.990 320
VE-3Q\20' 11. 775 26.210 3.330 88.C45 1250
V!-3830' 17.200 50,270 7.710 161.075 1825
All Results Reported in Milligrams per Kilogram
ND s Non Detectable; BPA 8020 (.005 mg/kg)
EPA 8015 Modified for Gasoline (5 mg/kg)
Analysis of Volatile Aromatics ; EPA 8020
-Analysis ot Total PetroleUM Hydrocarbons i BPA 8015 Modified for Gasoline
-The TPH Method for Gasoline is the Calif DOHS Recommended Procedure
Certificate Number
8739
~.Q
C:0'd
6C:HSC:£
Certified FuJI Service On-Site Analytical Laboratories
01 . JNl Satil 3l I aaL.! ,. Oè: ;: 60 : H t66 t -8 t -d3S
~ ... '.c:.-:;rT'''1'''.....,~,-_I"''''III_
I ____ _ I _ _l"""1li_
, II........__._~ ~t::_t""I.,._~ , ~.,.~I ~._9' ~"""...,...,~I ··"~'I'-'''''.'I''''P ^-'~I
PRO~, NO,
.tOJECT NAME
elf ua &jE.O~ciE7YO'~E.1., []nc.
q (.. 'hu.I"".\I.' ~'\"~'1\_1~ 1,1.-I'\ho"l'1.\1 (·.·II~HII-"'I.
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AQUAGEOSCIENCES I
1701 Westwmd Dr.. Suite 101
Bakersheld, Calilornla 93301
Dale/Time Re.::eived by: ISio¡n.lufI\
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DATE SAMPLE to r SAMPLE 10 ERS IWI REMARKS
TIME Sludg.
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AQUAGEOSCIENCES
RellnqUiSned'y: (Sign.tuI.1 Dalerme Received by; (Signature' \701 Wes(wlOd 01.. SUIte \0\
Bakerslleld, CalifornIa 93301
Relinquished by; (Signalurel ()atJlme ;;i1W-"'~7 i't
--14 ,<" e¡;cI1. l:wp
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Certined by the State of (alirel Deoortment of Health SeMceS
lLðbU'ðtU"Y # IIÇþ'2C)
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1701 Westwlnd Dr. Suite 103
Bakersfield, C."- 93301
Phone: 805-328.0962. Fax: 8OS-328-1129
Jilll
Ilh.
Sample: V-4-35
Matrix: Soil
Analyst: MCM
Test: 8015m18020/5030 Total Petroleum Hydrocarbons
and BTEX's by Purge and Trap
Company: Aquageosciences
1701 Westwind Dr. Suite 101
Bakersfield, CA 93301
Contact person: Patrick MCCullough
Lab #: 93A286
Date of sampling: Oct 14, 1993
Date of analysis: Oct 19, 1993
Date of Report: Oct 19, 1993
Com ound Concentration Units L*
Benzene ND mgIKg (ppm) 0.05
Toluene ND mg/Kg (ppm) 0.05
Ethylbenzene ND mglKg (ppm) 0.05
X lenes ND m m 0.05
TPH gasoline 31. mglKg (ppm) 1.
TPH diesel ND m m 1.
*PQL = Practical Quantitation Limit
~
Rafael Espinosa LeÍÍiz, Ph.D.
Laboratory Director.
"
/
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Certified by the Stele Of&rniC Detx,1rtmentof Heclth Services
Lilba'1IÛ)O' # .~
1701 W~stwb.d Dr. Suite 100
Bakersfield.. (~,-\ 93301
Phone: 805-328.0062. Fax: 805·328·1129
, I 1111111/1/1/1/11111'
Test: 801 5m1802 0/503 0 Total Petroleum Hydrocarbons
and BTEX's by Purge and Trap
Company: Aquageosciences
1701 Westwind Dr. Suite 101
Bakersfield, CA 93301
Contact person: Patrick MCCullough
Sample: V-4-45
Matrix: Soil
Analyst: MCM
Lab #: 93A287
Date of sampling: Oct 14, 1993
Date of analysis: Oct 19, 1993
Date of Report: Oct 19, 1993
Com und
Concentration
Units
L*
Benzene
Toluene
Ethylbenzene
X lenes
0.12
0.53
0.32
1.0
mWKg(ppm)
mg/Kg (ppm)
m~g (ppm)
m m
0.02
0.02
0.02
0.02
TPH gasoline 200.
TPH diesel ND
*PQL = Practical Quantitation Limit
.5
.5
~:~
Rafael Espinosa LenÏŽ, Ph.D.
Laboratory Director.
·
-
1IIIIIIIIIIh
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Certified bV the State of Arnia Deportment of Health Services
LðbUëlfA:)nl # .~~
1701 Westwllld Dr. Suite 103
Bakersfield.. (',-\. 93301
Phone: 805·328·0962. Fa,'\: 805-328·11:29
Ilh~.
Test: 8015m/8020/5030 Total Petroleum Hydrocarbons
and BTEX's by Purge and Trap
Company: Aquageosciences
1701 Westwind Dr. Suite 101
Bakersfiel<L CA 93301
Contact person: Patrick MCCullough
Sample: V-4-50
Matrix: Soil
Analyst: MCM
Lab #: 93A288
Date of sampling: Oct 14:t 1993
Date of analysis: Oct 19:t 1993
Date of Report: Oct 19, 1993
Com und Concentration Units L*
Benzene ND mglKg (ppm) 0.005
Toluene ND mgIKg (ppm) 0.005
Ethylbenzene ND mgIKg (ppm) 0.005
X lenes ND m m 0.005
TPH gasoline ND mgIKg (ppm) .1
TPH diesel ND m m .1
*PQL = Practical Quantitation Limit
~~~' .
/....../-~I
Rafael Espinosa Leniz, Ph.D.
Laboratory Director.
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CertJlied by the State of c.nla De(:)Ortme,1t of Health Services
LðbU'ðtu'Y # I<,)'X)
1701 Westw'nd Dr. Suite 103
Bakersfleld~ CA 93301
Phone: 805-328-0962, Fax: 805-328-1129
Report o' Analysis
Test: 8015m18020/5030 Total Petroleum Hydrocarbons
and BTEX's by Purge and Trap
Company: Aquageosciences
1701 Westwind Dr. Suite 101
Bakersfie]d~ CA 93301
Contact person: Patrick MCCullough
Sample: V-4-60
Matrix: Soil
Analyst: MCM
Lab #: 93A289
Date of sampling: Oct 14~ 1993
Date of analysis: Oct 21~ 1993
Date of Report: Oct 28~ 1993
Com und Concentration Units L*
Benzene .78 mWKg (ppm) 0.05
Toluene 2.0 mWKg (ppm) 0.05
Ethylbenzene ND mg/Kg (ppm) 0.05
X lenes 4.3 m m 0.05
TPH gasoline 1000. mg/Kg (ppm) 1.
TPH diesel ND m m 1.
*PQL = Practical Quantitation Limit
~? /~~ .
~-?q/L-------:
Rafael Espinosa LeÎÍiz, Ph.D.
Laboratory Director.
-
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1701 Westwlnd Dr. Suite 103
Bakersfield, CA 93301
Phone: 805-328-0962, Fax: 805-328-1129
,1111 1I111h.
Report o' Analysis
Test 8015m/8020/5030 Total Petroleum Hydrocarbons
and BTEX's by Purge and Trap
Company: Aquageosciences
1701 Westwind Dr. Suite 101
Bakersfield, CA 93301
Contact person: Patrick MCCullough
Sample: V -4-65
Matrix: Soil
Analyst: MCM
Lab #: 93A290
Date of sampling: Oct 14, 1993
Date of analysis: Oct 21, 1993
Date of Report: Oct 28, 1993
Com ound Concentration Units L*
Benzene ND mgIKg (ppm) 0.005
Toluene ND mgIKg (ppm) 0.005
Ethylbenzene ND mgIKg (ppm) 0.005
X lenes ND m 0.005
TPH gasoline ND mgIKg (ppm) .1
TPH diesel ND m .1
*PQL = Practical Quantitation Limit
/','~' ~
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Rafael Espinosa Leniz, Ph.D.
Laboratory Director.
e
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Certified by the State of Co I rnia Deocrtment of Health SeN1ces
LðbU'ðtu"'Y # 1<;Þ~
1701 Westwlnd Dr. Suite 103
Bak@orsfleld~ CA 93301
Phone: 805-328-0962. Fax: 805·328·1129
Report o' Ancalysls
Test: 8015m18020/5030 Total Petroleum Hydrocarbons
and BTEX's by Purge and Trap
Company: Aquageosciences
1701 Westwind Dr. Suite 101
Bakersfield, CA 9330 I
Contact person: Patrick MCCullough
Sample: V -4-70
Matrix: Soil
Analyst: MCM
Lab #: 93A291
Date of sampling: Oct 14, 1993
Date of analysis: Oct 21, 1993
Date of Report: Oct 28, 1993
Com und Concentration Units L*
Benzene .023 mWKg (ppm) 0.005
Toluene .022 mg/Kg (ppm) 0.005
Ethylbenzene ND mg/Kg (ppm) 0.005
X lenes .021 m 0.005
TPH gasoline .7 mg/Kg (ppm) .1
TPH diesel ND m m .1
*PQL = Practical Quantitation Limit
/~~
Rafael Espinosa LetÍiz, Ph.D.
Laboratory Director.
e,:
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fL~liCY()='T
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LðbU"ðt()Ol # I,;)~
1701 Westwlnd Dr. Sulte'l03
Bakersfield, C,~ 93301
Phone: 805-328-0962, Fax: 805-328-1129
Report 01 AnGlysls
Test: 8015m/8020/5030 Total Petroleum Hydrocarbons
and BTEX's by Purge and Trap
Company: Aquageosciences
1701 Westwind Dr. Suite 101
Bakersfield, CA 93301
Contact person: Patrick MCCullough
Sample: V -4-85
Matrix: Soil
Analyst: MCM
Lab #: 93A292
Date of sampling: Oct 14, 1993
Date of analysis: Oct 21, 1993
Date of Report: Oct 28, 1993
Com ound
Concentration
Units
L*
Benzene
Toluene
Ethylbenzene
X Ienes
ND
ND
ND
ND
mgIKg (ppm)
mg/Kg (ppm)
mglKg (ppm)
m
0.005
0.005
0.005
0.005
TPH gasoline ND
TPH diesel ND
*PQL = Practical Quantitation Limit
.I
.1
~-~ // /'
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Rafael Espinosa Leniz, Ph.D.
Laboratory Director.
·
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¡ III III ¡ Ilh,
Certified bl,J the State of !,rniQ Deoartmelìt of Heolth Services
LðÞ«at«Y # .~:2()
1701 Westwlnd Dr. Suite 103
Bakersfield, CA 93301
Phone: 805-328-0002, Fax: 805-328-1129
Report o' Analysis
Test: 8015m18020/5030 Total Petroleum Hydrocarbons
and BTEX's by Purge and Trap
Company: Aquageosciences
1701 Westwind Dr. Suite 101
Bakersfield, CA 93301
Contact person: Patrick MCCullough
Sample: V -4-95
Matrix: Soil
Analyst: MCM
Lab #: 93A293
Date of sampling: Oct 14, 1993
Date of analysis: Oct 21, 1993
Date of Report: Oct 28, 1993
Com und Concentration Units L*
Benzene ND mgIKg (ppm) 0.005
Toluene ND mg/Kg (ppm) 0.005
Ethylbenzene ND mgIKg (ppm) 0.005
X lenes ND m 0.005
TPH gasoline ND mg/Kg (ppm) .1
TPH diesel ND m m .1
*PQL = Practical Quantitation Limit
/#?~a .
Rafael Espinosa , Ph.D.
Laboratory Director.
-
11111111111
1IIIlilicYON"11
~:1aboratori£s·.1
Certified by the State of clrnia Department of Health Services
labuDt«)O' It .~~
1701 Westwlnd Dr. Suite 103
Bakersf'eld~ CA 93301
Phone: 805-328-0962, Fax: 805-328-1129
.11111
Ilh.
Report o' Analysis
Test: 8015m18020/5030 Total Petroleum Hydrocarbons
and BTEX's by Purge and Trap
Company: Aquageosciences
1701 Westwind Dr. Suite 101
Bakersfield, CA 93301
Contact person: Patrick MCCullough
Sample: V-5-15
Matrix: Soil
Analyst: MCM
Lab #: 93A282
Date of sampling: Oct 13, 1993 @ 15:00 pm.
Date of analysis: Oct 18, 1993
Date of RepOrt: Oct 19, 1993
Com ouod Concentration Units r...*
Benzene ND mgIKg (ppm) 0.05
Toluene 0.33 m!ifKg (ppm) 0.05
Ethylbenzene 0.74 m!ifKg (ppm) 0.05
X lenes 3.9 m m 0.05
TPH gasoline 810. m!ifKg (ppm) 1.
TPH diesel ND m m 1.
*PQL = Practical Quantitation Limit
~~
Rafael Espinosa Leniz, Ph.D.
Laboratory Director.
e
IlIltllllh
1111111"'- -"'1111111
ILUC:YON
,1aboratorit~.
CertiAed bV the State of trnia Deportment of Health Services
Laba"8kn' # .o;)~
1701 Westwlnd Dr. Suite 183
Bakersfield, CA 93301
Phone: 805·328-0962, Fax: 805·328-1129
.,111, Illh.
Report o' Anealysls
Test: 8015m18020/5030 Total Petroleum Hydrocarbons
and BTEX's by Purge and Trap
Company: Aquageosciences
1701 Westwind Dr. Suite 101
Bakersfield, CA 93301
Contact person: Patrick MCCullough
Sample: V-5-20
Matrix: Soil
Analyst: MCM
Lab #: 93A283
Date of sampling: Oct 13, 1993 @ 15:09 pm.
Date of analysis: Oct 19, 1993
Date of Report Oct 19, 1993
Com ound Concentration Units L·
Benzene ND mgiKg (ppm) 0.2
Toluene 2.3 mgIKg (ppm) 0.2
Ethylbenz~me 3.2 mgIKg (ppm) 0.2
X lenes 9.5 m 0.2
TPH gasoline 910. mglKg (ppm) 1.
TPH diesel ND m m 1.
*PQL = Practical Quantitation Limit
µ¿~ .
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Rafael Espinosa Leniz, Ph.D.
Laboratory Director.
e
11111111111
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. IL;\LCYON
11{ìboratorit~.,
Certified by the State of clrniO Deportment of Heolth Services
lLabcfilt«Y # io;)\X>
1701 Westwlnd Dr. Suite 103
Bakersfield, <:A 93301
Phone: 805-328-0962, Fax: 805·328·1J2{)
.1111111111111111.
Report o' RAGI,III
Test: 8015m18020/5030 Total Petroleum Hydrocarbons
and BTEX's by Purge and Trap
Company: Aquageosciences
1701 Westwind Dr. Suite 101
Bakersfield, CA 93301
Contact person: Patrick MCCullough
Sample: V-5-30
Matrix: Soil
Analyst: MCM
Lab #: 93A284
Date of sampling: Oct 13, 1993
Date of analysis: Oct 19, 1993
Date of Report: Oct 19, 1993
Com und Concentration Units L*
Benzene 0.2 mg/Kg (ppm) 0.2
Toluene 3.7 mgIKg (ppm) 0.2
Ethylbenzene 2.5 mglKg (ppm) 0.2
X Ienes II. m 0.2
TPH gasoline 1200. mglKg (ppm) I.
TPH diesel ND m I.
*PQL = Practical Quantitation Limit
~~
Rafael Espinosa Leniz, Ph.D.
Laboratory Director.
-
11111111111
IIIIIIJI"- -"11'11111
lLliCY~O~
ì.!.aboratories·,
.
CertJfìød bl,l the State of California Deportment of Health Services
LalK:filUio' #I .c)~
1701 Westwlnd Dr. Suite 103
Bakersfield, (jA 93301
Phone: 805-328-0962, Fax: 805·328·1120
Report o' Analys's'
Test: SOI5m/S020/5030 Total Petroleum Hydrocarbons
and BTEX's by Purge and Trap
Company: Aquageosciences
1701 Westwind Dr. Suite 101
Bakersfield, CA 93301
Contact person: Patrick MCCullough
Sample: V -5-40
Matrix: Soil
Analyst: MCM
Lab #: 93A28S
Date of sampling: Oct 13, 1993
Date of analysis: Oct 19, 1993
Date of Report: Oct 19, 1993
Com ound
Concentration
Units
L*
Benzene
Toluene
Ethylbenzene
X lenes
ND
10.
ND
22.
mg/Kg (ppm)
mglKg (ppm)
mgIKg (ppm)
m
0.2
0.2
0.2
0.2
TPH gasoline 5200.
TPH diesel ND
*PQL = Practical Quantitation Limit
1.
1.
.~0
Rafael Espinosa Leniz, Ph.D.
Laboratory Director.
e
11111111111
1111111 ". ~- . '¡IIIIIIII
ILUCYON '
,JLaboratoríts·.,
-
Certified bl,J the State of California Department of Health Services
lLðOOr"ðt4)O' # .<}'2C)
1701 Westwand Dr. Suite 103
Bakersfield, CjA 93301
Phone: 805-328-0962. Fa:x: 805-328·1129
. II 111111 Illh.
Report o' Analysis
Test: 8015mJ8020/5030 Total Petroleum Hydrocarbons
and BTEX's by Purge and Trap
Company: Aquageosciences
1701 Westwind Dr. Suite 101
Bakersfield, CA 93301
Contact person: Patrick MCCullough
Sample: V -6-25
Matrix: Soil
Analyst: MCM
Lab #: 93A274
Date of sampling: Oct 13, 1993 @ 09:40 am.
Date of analysis: Oct 15, 1993
Date of Report: Oct 19, 1993
Com ound
Concentration
Units
L*
Benzene
Toluene
Ethylbenzene
X lenes
ND
ND
ND
ND
mgIKg (ppm)
mgIKg (ppm)
mgIKg (ppm)
m m
0.005
0.005
0.005
0.005
TPH gasoline ND
TPH diesel ND
*PQL = Practical Quantitation Limit
0.1
0.1
.~~
Rafael Espinosa Leniz, Ph.D.
Laboratory Director.
e
11111111111
111111"". """11111
HALCYON
~.JLaboratJ)rít~l.,
-
Certified bV the State of California Deportment of Health Services
LallKcëlt«Y # .<)~
1701 Westwlnd Dr. Suite 103
Bakersfield, (:;A 93301
Phone: 805-328-0962, Fax: 805·328·1129
.llllllllllh.
Report o' AnGlysl.'
Test: 8015m18020/5030 Total Petroleum Hydrocarbons
and BTEX's by Purge and Trap
Company: Aquageosciences
1701 Westwind Dr. Suite 101
Bakersfield, CA 93301
Contact person: Patrick MCCullough
Sample: V-6-35
Matrix: Soil
Analyst MCM
Lab #: 93A275
Date of sampling: Oct 13, 1993 @ 10:03 am.
Date of analysis: Oct 15, 1993
Date of Report: Oct 19, 1993
Com ound Concentration Units L·
Benzene ND mWKg (ppm) 0.005
Toluene ND mg/Kg (ppm) 0.005
Ethylbenzene ND mg/Kg (ppm) 0.005
X lenes ND m 0.005
TPH gasoline ND mg/Kg (ppm) 0.1
TPH diesel ND m 0.1
*PQL = Practical Quantitation Limit
~~
Rafael Espinosa Leniz, Ph.D.
Laboratory Director.
e
11111111111
111111''''- ""'111111
lLUCYON
~JLaboratoríts.¡
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Certified by the State of California Deportment of Health Services
Labu'ata" # ..;)~
1701 Westwlnd Dr. Suite 103
Bakersf'eld~ (;A 93301
Phone: 805-328-0962, Fax: 805-328-1129
.lIlllIlIlllllh.
Report 01 AnGlysls
Test: 8015m18020/5030 Total Petroleum Hydrocarbons
and BTEX's by Purge and Trap
Company: Aquageosciences
1701 Westwind Dr. Suite 101
Bakersfield, CA 93301
Contact person: Patrick MCCullough
Sample: V -6-40
Matrix: Soil
Analyst: MCM
Lab #: 93A276
Date of sampling: Oct 13, 1993 @ 10:21 am.
Date of analysis: Oct 15, 1993
Date of Report: Oct 19, 1993
Com ound Concentration Units L*
Benzene ND mgIKg (ppm) 0.005
Toluene ND mgIKg (ppm) 0.005
Ethylbenzene ND mgIKg (ppm) 0.005
X lenes ND m 0.005
TPH gasoline 1.8 mgIKg (ppm) 0.1
TPH diesel ND m 0.1
*PQL = Practical Quantitation Limit
~0
Rafael Espinosa Leniz, Ph.D.
Laboratory Director.
e
11111111111
1'1111"" - . ""1111111
' HAlCYON
~.l.aboratorits· 1
e
Certified bV the State of Califomia Department of Health Services
lLabu'ðtc)nl # .<)~
1701 Westwind Dr. Suite 103
Bakersfield, (;A 93381
Phone: 805-328-0002, Fax: 805·328·1129
,11111111111111111,
Report o' Analysl.'
Test: 8015mJ8020/5030 Total Petroleum Hydrocarbons
and BTEX's by Purge and Trap
Company: Aquageosciences
1701 Westwind Dr. Suite 101
Bakersfield, CA 93301
Contact person: Patrick MCCullough
Sample: V -6-45
Matrix: Soil
Analyst: MCM
Lab #: 93A277
Date of sampling: Oct 13, 1993 @ 10:37 am.
Date of analysis: Oct 15, 1993
Date of Report: Oct 19, 1993
I .
Com und
Concentration
Units
L*
Benzene
Toluene
Ethylbenzene
X lenes
ND
ND
ND
0.010
mgIKg (ppm)
mgIKg (ppm)
mgIKg (ppm)
m
0.005
0.005
0.005
0.005
TPH gasoline 0.5
TPH diesel ND
*PQL = Practical Quantitation Limit
mgIKg (ppm)
m
0.1
0.1
~~
Rafael Espinosa Leniz, Ph.D.
Laboratory Director.
e
11111111111
111111''''' "'11111111
H.UCYON
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Certified by the State of California Deportment of Health Sel'\lices
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1701 Westwind Dr. Suite 100
Bakersfleld9 ~A 93301
Phone: 805-328-0962, Fax: 805-328-1129
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Report o' Analysis
Test: 8015m/8020/5030 Total Petroleum. Hydrocarbons
and BTEX's by Purge and Trap
Company: Aquageosciences
1701 Westwind Dr. Suite 101
Bakersfield, CA 93301
Contact person: Patrick MCCullough
Sample: V -6-80
Matrix: Soil
Analyst: MCM
Lab #: 93A281
Date of sampling: Oct 13, 1993 @ 13:00 pm.
Date of analysis: Oct 18, 1993
Date of Report: Oct 19, 1993
Com und Concentration Units L*
Benzene ND mg/Kg (ppm) 0.005
Toluene ND mgIKg (ppm) 0.005
Ethylbenzene ND mgIKg (ppm) 0.005
X lenes ND m 0.005
TPH gasoline ND mgIKg (ppm) 0.1
TPH diesel ND m 0.1
*PQL = Practical Quantitation Limit
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Rafael Espinosa Leniz, Ph.D.
Laboratory Director.
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3, Storage time requested: .. ._-~ - .---- days
SPECIAL INSTRUCTIONS:
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Ç./: Groundwater Scientists · Environmental Consultants
--
Workplan for Additional AirNapor Inlet Wells
901 E. Truxtun Avenue
Bakersfield, California
Presented To:
Mr. Robb Pence
Presented By:
AquaGeosciences, Inc.
September, 1993
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, No, 4779 J 1'1
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Philip Go Iwin, R.G. # 4779
Principal Hydrogeologist
1701 Westwind Drive, Suite 101 · Bakersfield, California 93301
(805) 328-0962 · FAX (805) 328-1129
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Table of Contents
1.0 Introduction
1 .1 Purpose
1 .2 Scope of Services
1.3 Schedule
2.0 Background
2.1 Facility Description
2.2 Project History
3.0 Workplan
3.1 AirNapor Inlet Well Depths and Locations
3.2 Boring Methods
3.3 Soil Sampling
3.4 Field Screening
3.5 Soil Analyses
3.6 Installation of Air/Vapor Inlet Wells
4.0 Quality Assurance Plan
4.1 Sample Collection and Handling Protocol
4.2 Sample Identification and Chain of Custody
Protocol
4.3 Analytical Quality Assurance
5.0 Report. of Findings
6.0 Site Safety Plan
Exhibit 1
Exhibit 2
Exhibit 3
Exhibit 4
Location Map
Site Map
Cross Section A-A'
Well Diagram
Appendix A
Site Safety Plan
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1
1
1
1
1
2
2
2
3
3
3
4
4
4
5
5
5
6
6
6
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j.O INTRODUCTION
Pence Petroleum has authorized AquaGeosciences, Inc. to prepare this
workplan for additional soil Air/vapor inlet wells at at 901 E. Truxtun
Avenue, Bakersfield, California.
1.1 PURPOSE
The scope of work described in this workplan has the following
objectives:
* Drilling and installing air/vapor inlet wells for the removal of
volatile fuel hydrocarbons from the soil using a vapor extraction system.
1.2 SCOPE OF SERVICES
The scope of services described in this workplan include:
*
Development of a Site Safety Plan;
*
Installation of three (3) air/vapor inlet wells;
*
Collecting soil samples for laboratory analyses;
*
Preparing a report summarizing methods and results of the
soil remediation.
1.3 SCHEDULE_
AquaGeosciences, Inc. anticipates beginning work described in this
workplan within one week, pending approval from the Kern County
Environmental Health Service Department, and authorization to proceed
from Pence Petroleum.
.2.Q BACKGROUND
The site is located at 901 E. Truxtun Avenue, Bakersfield, California as
shown on Exhibit 1.
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2.1 FACILITY DESCRIPTION
The property is currently unoccupied and was formerly operated as Pence
Automated Fuels by the Pence Petroleum Company. Prior to 1986, the site
was owned by Davies Oil, Bakersfield, California, and was used as an
automated cardlock fueling station.
2.2 PROJECT HISTORY
On November 1, 1989, two (2) 6,000 gallon underground gasoline storage
tanks, one (1) 10,000 gallon underground gasoline storage tank, one
dispenser island and associated product lines were removed from Pence
Petroleum's Automated Fuels Cardlock at 901 E. Truxtun Avenue,
Bakersfield, California. Soil Samples collected at that time indicated
that the soil had been impacted with gasoline, and that a site
characterization study would be required.
Subsequently, Associated Soils Analysis advanced four soil borings to a
maximum depth of 120 feet below surface grade. Boring B-3 advanced
through the location along the product line where the release is believed
to have originated, detected gasoline at 24,000 mg/kg at 50 feet below
surface grade. That boring was terminated at 80 feet below surface grade
with gasoline at 4,700 mg/kg. Boring B-3A advanced ten feet to the west
detected gasoline at 0.54 mg/kg at 90 feet below surface grade, and had
indications of continued low levels of impaction to 120 feet below
surface grade.
This previous Phase I assessment work did not delineate the vertical limit
of gasoline beneath the probable product line release, nor the lateral
limits of the plume to the, north, east, or south. The County required that
additional testhole borings be advanced to further assess the lateral and
vertical extent of contamination. This was done as part of the initial
stages of the remediation. Borings were advanced to complete this
assessment, and then be completed as vapor extraction/inlet wells.
3.0 WORKPLAN
AquaGeosciences, Inc. proposes to install three (3) additional air/vapor
inlet wells for the purpose of assisting in remediating the gasoline
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impacted soil at 901 East Truxtun Avenue.
3.1 AlAN APOR INLET WELL DEPTHS AND LOCATIONS
Exhibit 2 shows the existing locations of the vapor extraction wells, as
well as, the proposed locations of the additional inlet wells designated as
VI-4, VI-5 and VI-6. The locations, depths, and screened intervals have
been selected to provide lateral and vertical coverage of the impacted
plume as interpreted from prior assessment information as shown on
Exhibit 3. The proposed wells will be drilled and completed to depths of
105, 40, and 80 feet, respectively, below the ground surface.
3.2 BORING METHODS
The borings will be advanced using a CME-75 rig, or equivalent, equipped
with 8-inch or larger hollow stem continuous flight auger in accordance
with ASTM Method 0 1452-80 for soil investigations and sampling by
auger borings. The auger flights and hammer will be steam cleaned prior
to drilling each boring.
The lithology and other pertinent data will be recorded on a field boring
log in accordance with ASTM Method 0 2488-84 for visual description and
identification of soils. Borings will be logged by or under direct
supervision of a California Registered Geologist and/or Civil Engineer.
Cuttings and other soil spoil from the borings will be' placed on visquene
and allowed to aerate on site.
3.3 SOIL SAMPLING
Soil samples will be collected through the auger in 2-inch brass sleeves
driven in a split spoon sampler by a 140 pound hammer with a 30-inch
drop in accordance with ASTM Methods 01586-84 for split-barrel
sampling of soil and 01587-83 for thin walled tube sampling of soils. The
brass sleeves and sampler will be steam cleaned prior to each use.
Soil samples will be driven at five foot intervals. The blow counts,
recovery, and lithology will be recorded on field logs. Lithology will be
described in accordance with the Unified Soil Classification System. One
brass sleeve with soil from each interval will be capped, sealed, and
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lalbeled in accordance with EPA protocols, recorded on a Chain-of-Custody
fClrm, placed in a cooler at 4 degrees centigrade or less, and transported
to a California Certified laboratory with the Chain-of-Custody for the
specified analyses. Selected samples will be analyzed and the other
samples will be held no more than fourteen days for further analyses if
nl:!cessary.
3.4 FIELD SCREENING
Soil samples will be collected using three six-inch brass tubes installed
inside a splitspoon sampler. The middle sample tube will be immediately
capped with a teflon liner separating the soil from the lid, and stored in
an iced cooler upon collection. The bottom tube will be used for lithologic
description, and the top tube will be used for field screening. The
material from the top tube will be placed in a mason jar to approximately
50 percent capacity, shaken, and stored for a period of 15 minutes. A
standard headspace reading will be collected at this time and noted on the
boring log.
3.5 SOIL ANALYSES
Approximately twenty (20) soil samples will be analyzed by Halcyon
Laboratories, a California State certified laboratory in accordance with
State guidelines and EPA protocols., The exact number of samples to be
analyzed will be determined in the field after carefully reviewing field
screening data. The samples will be analyzed for total petroleum
hydrocarbons as gasoline (TPHg), benzene, toluene, xylene, and
ethylbenzene (BTXE) using the D.O.H.S. L.U.F.T. Method and EPA Method 8020,
respectively.
3.6 INSTALLATION OF AIRNAPOR INLET WELLS
The air/vapor inlet wells are to be completed as shown on Exhibit 4. The
well casing will consist of Schedule 40, factory slotted (0.020 inch), 2-
inch diameter (I.D.) hydrolock flush threaded PVC pipe. A flush threaded
bottom cap will be provided. The slotted section will extend across the
contaminated areas as shown in Exhibit 3. In VI-4 the slotted section will
extend between the depth interval of 60 to 105 feet below the ground
surface (bsg). In VI-5 the slotted section will extend between the depth
interval of 10 to 40 feet (bsg). And in VI-6 the slotted section will
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e~xtend between 20 to 80 feet (bsg). Blank 2-inch Schedule 40 PVC casing
will complete each well to the surface. The annular space adjacent to the
screened interval will be backfilled with a sand filter pack, placed from
total depth to 3 feet above stotted interval. One foot of bentonite pellets
will be poured above the sand to form a seal. Cement grout will extend
from the bentonite seal to the surface.
4.0 QUALITY ASSURANCE PLAN
This section describes field and analytical quality-assurance procedures
to be followed during the remediation.
4.1 SAMPLE COLLECTION AND HANDLING PROTOCOL
Proper sample collection and handling are essential to assure quality of
data obtained from a sample. Each sample, therefore, will be collected in
a brass tube, preserved correctly for the intended analysis and stored for
no longer than the permissible holding time prior to analysis. Protocol to
be applied in this project is described in Section 3.3.
4.2 SAMPLE IDENTIFICATION AND CHAIN OF CUSTODY PROTOCOL
Sample identification and Chain of Custody procedures are designed to
assure sample quality and to document sample possession from the time it
is collected to the time of its ultimate disposal. The container for each
sample submitted for analysis will have a label affixed with the
identifying number or the number will be inscribed directly on the
container if feasible. The analytical laboratory will assign a separate
sample number unique to that sample for internal sample coordination and
identification. A description of the sample, including the sample number
and other pertinent information regarding its collection and/or geologic
significance will be written in field notes and/or a geologic boring log
prepared by the site geologist. These field documents will be kept in a
permanent project file. All samples will be analyzed by a State certified
laboratory for the analyses requested.
A properly completed Chain of Custody document will be submitted to the
analytical laboratory along with the sample. The laboratory's assigned
number will be properly entered on the form. A quality control officer at
the laboratory will verify integrity of samples submitted, proper sample
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volume, correctness of containers used and properly executed Chain of
Custody document. Pertinent information will be entered into a log book
kept by the laboratory.
4.3 ANALYTICAL QUALITY ASSURANCE
In addition to routine calibration of analytical instruments with standards
and blanks, the analyst is required to run duplicates and spikes on 10
percent of analyses to assure an added measure of reliability and
precision. Accuracy is verified through the following:
1.) U.S. EPA and State certification of results;
2.) Participation in inter-laboratory round robin programs;
3.) "Blind" samples are submitted for analysis by the quality
control officer on a weekly basis. These are prepared from National
Bureau of Standards specifications of EPA reference standards;
4.) Verification of results with an alternative method.
5.0 REPORT OF FINDINGS
A report of findings will be prepared which will detail field activities,
analytical results, discussion of analytical results, conclusions and
recommendations. The report of findings will recommend what further
action, if necessary, will be required. If additional work is warranted, the
scope of the additional work will be specified in the report. The report of
findings will be certified by a California Registered Geologist.
6.0 SITE SAFETY PLAN
Appendix A contains a Site Safety Plan which complies with the Worker
Right to Know Regulations and CAC Title 26.
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I AQuaGeosciences. Inc.
1701 West wind Drive Suite 103
Bakersfield, California 93301
Telephonl~: (805) 328-0962
Fax 328-1129
Title
Pence Petroleum
Bakersfield California
, Exhibit
1
VICINITY MAP
\
N.
Estimated Portion of Plume
Requiring Remediation
Former Gasoline
Tanks and
Dispenser Island
manhole
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East Truxtun
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streetlight
parking lot
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East 18th
SCALE 1" = 20'
. Prior Boring Location
o Vapor Extraction/Inlet well
o Proposed inlet wells
AQuaGeosciences. Inc.
1701 Westwind Drive Suite 103
Bakersfield, California 93301
Telephone: (805) 328-0962
Fax 328-11 29
Title
Pence Petroleum
901 E. Truxtun
Bakersfield, California
SITE MAP
Exhibit
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VI-S
VI-6
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60-105
1 0-40
20-80
SCALE: VERTICAL 1" = 20'
HORIZONTAL 1" = 20'
EXHIBIT 3
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VI-4; 105'
VI-s; 40'
VI-6; 80'
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VI-4; 60-105'
VI-s; 10-40'
VI-6; 20-80'
NEAT CEMENT
GROUT
BENTONITE
SEAL
MONTEREY SAND
OR EQUIVALENT
3/12
FLUSH THREADED 2-INCH
DIA. PVC SCREEN
SLOT SIZE 0.020 It
FLUSH THREADED
END CAP
NOT TO
SCALE
AquaGeosciences. Inc.
1701 Westwind Drive Suite 103
Bakersfield, California 93301
Telephone: (805) 328-0962
Fax 328-1129
Title
WELL QIAGRAM
Pence Petroleum
901 E. Truxtun
Bakersfield. California
Exhibit
4
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APPENDIX A
SITE SAFETY PLAN
INTRODUCTION:
A Site Safety Plan (SSP) has been designed to address safety provisions
needed during the site soil remediation. Its purpose· is to provide
established procedures to protect all on-site personnel from direct skin
contact, inhalation, or ingestion of potentially hazardous materials that
may be encountered at the site. The SSP establishes personnel
responsibilities, personal protective equipment standards
decontamination procedures, and emergency action plans.
AquaGe~sciences, I nc. seeks to enter the property described for the
purpose of drilling and completing three (3) additional air/vapor inlet
wells.
Soil samples will be collected at five-foot intervals during exploratory
drilling using California modified split-spoon sampler through hollow-
stem auger. All possible efforts will be made to collect undisturbed
samples. Each sample that is to be chemically analyzed will be collected
in a brass sleeve, capped with lined plastic lids, sealed with tape, and
placed on ice in a cooler immediately. All Chain-of.;.Custody protocol will
be followed.
Drilling equipment will be brought to the site and operated by a
subcontractor:
Soils Engineering, Inc.
4700 District Boulevard
Bakersfield, California 93313
(805) 831 5100
C-57 License #253192
The SSP describes the means for protecting all on-site personnel from
deleterious contamination or personal injury while conducting on-site
activities. As described below AGI will meet all requirements
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promulgated by the California Department of Health Services.
SITE BACKGROUND
This property, located at 901 E. Truxtun Avenue, Bakersfield, California, is
currently unoccupied, but was formerly operated as Pence Petroleum
Automated Fuels. On November 1, 1989, all gasoline tanks, dispenser
islands, 'and associated piping were removed from the site.
RESPONSIBILITY OF KEY PERSONNEL:
All personnel on-site will have assigned responsibilities. Mr. Phil
Goalwin, R.G. of AquaGeosciences, Inc. will serve as Project Manager and
Mr. David Crane will serve as On-Site Geologist. Mr. Crane will also serve
as Site Safety Officer (SSO) and will ensure that on-site personnel have
received a copy of the SSP. Personnel will be required to document their
full understanding of the SSP before admission to the site. Compliance
with the SSP will be monitored at all times by the SSO. Appropriate
personal protective equipment, listed below, will be used. The SSO will
conduct a training session to assure that all are aware of safe work
practices. In the training session, personnel will be made aware of
hazards at the site and will utilize Material Safety Data Sheets for
information on compounds.
The SSO will also be responsible for keeping field notes, collecting and
securing samples, and assuring sample integrity by adherence to Chain-of-
Custody protocol.
On-site employees will take reasonable precautions to avoid unforeseen
hazards. After documenting understanding of the SSP, each on-site
employee will be responsible for strict adherence to all points contained
herein. Any deviation observed will be reported to the SSO and corrected.
On-site employees are held responsible to perform only those tasks for
which they believe they are qualified.
Provisions of this SSP are mandatory and personnel associated with on-
site activities will adhere strictly hereto.
JOB HAZARD ANALYSIS:
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Hazards likely to be encountered on-site include those commonly
encountered when operating any mechanical equipment, such as the danger
of falling objects or moving machinery.
Simple precautions will reduce or eliminate risks associated with
operating such equipment.
A drilling contractor has been employed to deliver and operate all drilling
equipment. Qualified personnel only will have any contact with this
equipment. All on-site personnel, including the drilling contractor and his
employees, are required to wear hard hats when in close proximity to
drilling equipment. Latex gloves will be worn by persons collected or
handling samples to prevent exposure to contaminants. Gloves will be
changed between samples, and used ones discarded, to avoid cross-
contamination. Proper respiratory equipment will be worn if vapor
contamination levels on-site exceed action levels as determined using
PID. Action levels requiring respiratory apparatus will be 5 ppm in the
breathing space. Furthermore, no on-site smoking, open flame, or sparks
will be permitted in order to prevent accidental ignition.
RISK ASSESSMENT SUMMARY:
Exposure to chemicals anticipated on-site include gasoline, and benzene,
toluene, and xylene (BTX). These chemicals represent a hazard as they are
moderately to extremely toxic and most are highly flammable. Threshold
Limit Values (TLV's), Short Term Exposure Limits (STEL's), and Toxicity
levels (LD50, oral-rat), all in mg/kg (ppm), are listed below:
cc:NPCLt.JD TLV STEL TOXICITY
Gasoline 200 300 - - - - - - - -
Benzene 10 25 4894
Toluene 100 150 5000
Xylene 100 150 4300
Benzene is considered an extreme cancer hazard.
EXPOSURE MONITORING PlAN:
A Photo-Ionization Detector (PID) will be used to monitor vapor
concentrations around site. Should concentrations exceed TL V's,
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protective measures will be taken. Passive dosimeter badges will be
placed in downwind locations if PID reading indicate high levels of
volatile organics in the breathing space.
PERSONAL PROTECTIVE EQUIPMENT:
Personnel on-site will have access to respirators with organic vapor
cartridge·s. Replacement cartridges will be available on-site as needed.
When handling samples, the on-site geologist will wear latex gloves. Hard
hats will be worn by all personnel on-site when in proximity of drilling
equipment.
WORK ZONES AND SECURllY MEASURES:
Access, to the site will be restricted to authorized personnel. A set of
cones, placards, or wide yellow tape, surrounding the site will define
perimeter. The Project Manager will be responsible for site security.
DECONTAMINATION MEASURES:
Avoidance of contamination whenever possible is the best method for
protection. Common sense dictates that on-site personnel avoid sitting,
leaning, or placing equipment on possibly contaminated soil.
All personnel will be advised to wash their hands, neck, and face with
soap and water before taking a break or leaving the site. Respirators will
be washed with soap and water following each day's use.
Drilling and sampling equipment used will be decontaminated by steam-
cleaning. Sampling equipment will be decontaminated before each sample
is taken and drilling equipment will be decontaminated before each boring
is commenced.
GENERAL SAFE WORK PRACTICES:
Drillers and other on-site personnel will be briefed each day in "tailgate"
meetings as to the day's goals and equipment to be used. Anticipated
contaminants and emergency procedures will be reviewed. Appropriate
personal protective equipment will be put on and verified correct by SSO,
including respirator fit.
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e
Drilling and sampling equipment will be steam-cleaned before being
brought on-site. Split-spoon sampling equipment will be steam-cleaned
before each use. Augers will be steam-cleaned between borings.
The On-Site Geologist will oversee operations and log borings in
consultation with drillers. The Sample Coordinator will assure that
proper protocol is used at all times in collecting and handling samples.
TRAINING REQUIREMENTS:
The SSO will conduct a pre-site training session which will include all
pOints of MSDS forms, contaminant properties, warning signs, health
hazard data, risk for exposure, and emergency first aid. All chemicals
expected to be encountered will be covered and the SSO will ensure that
everyone fully understands site hazards.
MEDICAL SURVEILLANCE PROGRAM:
According to CFR 29, 1910.120, paragraph (f), employees who wear
respirators 30 days or more during one year or who have been exposed to
hazardous substances or health hazards above established permissible
exposure limits are required to be monitored medically. All site personnel
will be required to have had a complete chemical physical within the past
year.
RECORD KEEPING:
Documentation will be kept on personnel exposed to contaminant hazards
on the job site according to OSHA regulations. These will include
documentation that employees have received training on the SSP,
respiratory protection, MSDS forms, and all emergency procedures. These
will be reviewed during the pre-site training meeting.
Exposure records on each job will be kept for 30 years to meet
requirements. Included will be names and social security number of
employees, medical evaluation, on-the-job logs from entry to exit, first
aid administered, visits on-site by outside persons, and personal air
monitoring records.
CONTINGENCY PLANS:
e
.
In the event of accident, injury, or other emergency, the Project Director,
Senior Project Manager, or other person will notify appropriate
~Jovernment agencies of individuals as follows:
1. Kern County Department of Environmental
Health Services
2700 "M" Street
Bakersfield, California 93301
Ms. Flora Darling
(805)836-2261
2. Police, Fire, or Ambulance Emergency
911
3. Nearest Emergency Hospital:
Mercy Hospital
2215 Truxtun Ave.
Bakersfield, California 93301
(805)327 -3371
ell ua§EOiCï!zCEi, ßnc.
, q Groundwaœr Scientists · Environmental Consultants
.
First and Second Quarter.1993
Vapor Extraction Quarterly Raport
.::)
,.
(
Pence Petroleum Automated Fuels
901 East Truxtun Ave.
Bakersfield, California
- <.--"
Presented to
Mr. Robb Pence
Presented By
AquaGeosciences, Inc.
June, 1993
1,\
~~~'- A~ k
patriCk~. McCullough 1 - -
Staff Geologist
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~p G ~~, R.G. #4779
Principal Hydrogeologist
Registration Expires 6/30/94
1701 Westwind Drive, Suite 101 · Bakersfield, California 93301
(805) 328-0962 · FAX (805) 328-1129 ~
e
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Table of Contents
Sections
Pages
1 .0 Introduction ............. ........................... ......... ................. ...................... .... ........ .... ........2
2.0 Facility Description ........................................ ...................... ..... .................. ..... .... .....2
3.0 Project History ..................... ..... ................... ........ ........... ....... ....... .................. ...........2
4.0 Vapor Extraction Monitoring . .... .......... .......... .......... ........ ...... .......... ....... .... .............3
5.0 Conclusions & Recommendation... ......... ............. .......................... ..... .......... ........ ...3
Exhibits
1. Site Map
2. vac Concentrations VS. Time
3. Cross-Section A-A' (showing proposed completion intervals)
1 of 3
e
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1.0 Introduction
This report presents the results of the first and second quarter, 1993 Vapor Extraction
monitoring performed by AquaGeosciences, Inc. (AGI) at the Pence Petroleum
Automated Fuel site at 901 East Truxtun Ave., Bakersfield, California. These results
are reported from January through June, 1993.
2.0 Facility Description
The property is currently unoccupied and was formerly operated as Pence Automated
Fuels by the Pence Petroleum Company. Prior to 1986, the site was owned by Davies
Oil, Bakersfield, California; however, information regarding site usage was
unavailable.
3.0 Project History
On November 1, 1989, two (2) 6,000 gallon underground gasoline storage tanks, one
(1) 10,000 gallon underground gasoline storage tank, one dispenser island and
associated product lines were removed from Pence Petroleum's Automated Fuels
Cardlock at 901 E. Truxtun Avenue, Bakersfield, California. Soil Samples collected at
that time indicated that the soil had been impacted with gasoline, and that a site
characterization study would be required.
Subsequently, Associated Soils Analysis advanced four soil borings to a maximum
depth of 120 feet below surface grade. Boring B-3 advanced through the location
along the product line where the release is believed to have originated, detected
gasoline at 24,000 mg/kg at 50 feet below surface grade. That boring was terminated
at 80 feet below surface grade with gasoline detected at 4,700 mg/kg. Boring B-3A,
advanced ten feet to the west, detected gasoline at 0.54 mg/kg at 90 feet below
surface grade, and had indications of continued low levels of impaction to 120 feet
below surface grade where the boring was terminated.
This previous Phase I assessment work did not delineate the vertical limit of gasoline
beneath the probable product line release, nor the lateral limits of the plume to the
north, east, or south; For these reasons the County required that the full lateral and
vertical extent of soil impaction be assessed as a Phase II characterization. This
additional work was completed as part of the initial stages of the remediation. Four (4)
borings ( VI-1, VE-1, VE-2 and VE-3) were advanced to complete this assessment.
These additional borings were then completed as vapor extractionlinlet wells with the
screened intervals and depths selected based upon field screening of the samples.
2 of 3
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4.0 Vapor Extraction Monitoring
The vapor extraction process at the Pence site began in August 1992. The internal
combustion engine (ICE) is utilized for both vapor evacuation and hydrocarbon
oxidation. The ICE unit is monitored daily to insure maximum run time and compliance
with the conditions of the 0 rating permi~_ '
----- ------------
n general, the unit is performing well, however, we are experiencing occasional down '\
time required for equipment maintenance and parts replacement. The down time is
also partially caused by changing operation conditions; namely, hydrocarbon vapor
concentrations. The ICE unit, however, has not used any supplemental propane in the
last 3 months and liquid gasoline is condensing in the water knock-out. This has
required the addition of dilution air at the surface.
Tot e site remediation is best determined by monitoring Volatile
Organic Compound (VOC), emissions from the exhaust of the ICE. In the attached
exhibit 1, a plot of VOC concentrations vs. time is presented. From this graph, covering
the period from 11-02-92 to 6-30-93, it can be seen, that desired stabilized conditions
have not yet been achieved.
5.0 Conclusions & Recommendations
Based upon the high concentrations of VOC emissions, liquid petroleum hydrocarbons
condensing in the water knock-out system, the lack of supplemental fuel usage, and
the requirement for dilution air additions at the surface, AGI concludes that high
petroleum hydrocarbon concentrations continue to persist in the subsurface soil at the
Pence site. Further, AGI concludes that additional air/vapor inlet wells should be
installed to provide air flow through the impacted soil profile. This subsurface air flow
will both enhance and stabilize the vapor extraction process. Subsurface air flow will
enhance the process by sweeping air across the impacted soil thereby removing
volatile hydrocarbons from the distal edges of the plume which in turn will allow for a
more complete hydrocarbon removal. Subsurface air flow will stabilize the process by
diluting or mixing lower concentration vapors with the higher concentration vapor
stream currently being processed by the IC engine.
To accomplish these goals, AGI recommends drilling and completing three (3)
additional inlet wells to depths of 40, 80, and 105 feet, respectively. The proposed
locations of the vapor inlet wells, herein designated VI-4, VI-5, and VI-6 are shown in
plan view on Exhibit 1. Cross-section A-A' (Exhibit 3) graphically shows the location of
VI-4, VI-S, and VI-6 and includes the proposed completion intervals.
Finally, AGI recommends that sufficient soil samples be collected and analyzed during
the installation of these wells, to evaluate the progress of the remediation
accomplished to date and estimate the length of time required to complete the
remediation.
3 of 3
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Estimated Portion of Plume
Requiring Remediation
Former Gasoline
Tanks and
Dispenser Island
manhole
o
East Truxtun
- --
.
streetlight
parking lot
- --
East 18th
SCALE 1" = 20'
. Prior Boring Location
o Vapor Extraction/Inlet well
g Proposed inlet wells
AouaGeosciences. Inc.
1 701 Westwind Drive SUite 1 03
Bakersfield, California 93301
Telephone: (80S) 328-0962
Fax 328-11 29
Title
Pence Petroleum
901 E. Truxtun
Bakersfield, California
SITE MAP
Exhibit
,
,
\
PPM
CONC
500
400
300
200
100
t Feb.
11102192
PAUSE
11/04/92 to 01111193
AQuaGeosciences. Inc.
1701 Westwind Drive Suite 103
Bakersfield, California 93301
Telephone: (805) 328-0962
Fax 328-1129
e
Mar.
All data
> 1000
Apr.
May
6130/93
Pence Petroleum
901 E. Truxtun
Bakersfield, California
VOC CONCENTRATIONS
TIME
Exhibit
2
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Wet w. Prqøed Sa-Mn ht8rwI
VI-4 60-105
VI-S 1 0-40
ND VI-6 20-80
ND
ND
ND
ND
SCALE:
VERTICAL
HORIZONTAL
1" - 20'
1" - 20'
CROSS-SECTION A - AI
EXHIBIT 3
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¡g t:o:ici&ct::i, [/ nc.
'",' Groundwater Scientists · Environmental Consultants
Workplan for Soil Remediation
at
901 E. Truxtun Avenue
Bakersfield, California
Presented To:
Mr. Robb Pence
Pence Petroleum Co.
Presented By:
AquaGeosciences, Inc.
February, 1992
-t1L--- l2 ~-
Thomas Reeves
Project Engineer
'--þhilip I oalwin, R.G. # 4779
Principal Hydrogeologist
e
1701 Westwind Drive, Suite 101 · Bakersfield, California 93301
(RO'j) 17MQA7 · FAX OW:;) 17R-117Q
1.01
1.1
1.2:
1.3
2.0
2.1
2.2:
3.0
3.1
3.2
3.3
4.0
5.0
6.0
6.1
6.2
6.3
6.4
7.0
8.0
9.0
9.1
9.2
9.3
10.0
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Table of Contents
Introduction
Purpose
Scope of Services
Schedule
Background
Facility Description
Project History
Workplan
Vapor Extraction/Inlet Well Locations & Depths
Well Head Design and Valve Configuration
Vacuum Measurements and Radius of Influence
Treatment Objectives
Evaluation of Mitigation
Confirmation Boring, Soil Sampling, Field
Screening and Chemical Analytical Methods
Boring Methods
Soil Sampling
Field Screening
Soil Analysis
Decommissioning of Remediation Equipment
Final Report
Quality Assurance Plan
Sample Collection and Handling Protocol
Sample Identification and Chain-of-Custody Protocol
Analytical Quality Assurance
Si te Safety Plan
Exhibits 1
2:
3-6
Vicinity Map
Site Map
Vapor Extraction/Inlet Well Completion Diagrams
Appendix A
B
C
Site Safety Plan
Summary of Analytical Data
Cross Section Drawings
Page';\ . í4~;
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1
1
1
2
2:
3
3
4
4
4
4
5
5
5
6
6
6
6
7
7
7
7
8
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1.0 INTRODUCTION
Pence Petroleum Co. has authorized AquaGeosciences, Inc. to prepare this workplan
for soil remediation at the former gasoline service station located at 901 East
Truxtun Avenue, Bakersfield, California.
1.1 PURPOSE
The soil remediation described in this workplan has the following objectives:
* Remove volatile fuel hydrocarbons from the soil using an Internal
Combustion Engine vapor extraction system.
1.2 SCOPE OF SERVICES
The scope of services describes in this workplan include:
*
Installation of vapor extraction system to include an internal combustion
engine;
* Permitting, operation, monitoring and maintenance of a vapor extraction
system manifolded to the wells;
*
Confirmation borings to assess the effectiveness and signify an endpoint to
remedia tion;
*
Preparation of a report summarizing methods and results of the soil
remedia tion.
1.3 SCHEDULE
AquaGeosciences, Inc. anticipates beginning work described in this workplan within
one week upon approval from both the County and the Client. Installation of the
vapor extraction/inlet wells in the soil borings has already been completed. Pending
approval to construct and operate the VES by the Kern County Air Pollution
Control District, AquaGeosciences anticipates construction and installation of the
VES including all associated piping and manifolding within one month from the
approval of the workplan. Upon completion of the remediation, AquaGeosciences,
Inc. will issue a Final Report of Findings.
2.0 BACKGROUND
The site is located at 901 East Truxtun Avenue, Bakersfield, California as shown on
Exhi bit 1.
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e
2.1 FACILITY DESCRIPTION
The property is currently unoccupied and was formerly operated as Pence
Automated Fuels by the Pence Petroleum Company. Prior to 1986, the site was
o\\rned by Davies Oil, Bakersfield, California, however, information regarding site
usage was unavailable.
2.2 PROJECT HISTORY
On November 1, 1989, two (2) 6,000 gallon underground gasoline storage tanks, one
(1) 10,000 gallon underground gasoline storage tank, one dispenser island and
associated product lines were removed from Pence Petroleum's Automated Fuels
Cardlock at 901 E. Truxtun Avenue, Bakersfield, California. Soil Samples collected at
that time indicated that the soil had been impacted with gasoline, and that a site
characterization study would be required.
Subsequently, Associated Soils Analysis advanced four soil borings to a maximum
depth of 120 feet below surface grade. Boring B-3 advanced through the location
along the product line where the release is believed to have originated, detected
gasoline at 24,000 mg/kg at 50 feet below surface grade. That boring was terminated
at 80 feet below surface grade with gasoline detected at 4,700 mg/kg. Boring B-3A,
advanced ten feet to the west, detected gasoline at 0.54 mg/kg at 90 feet below surface
grade, and had indications of continued low levels of impaction to 120 feet below
surface grade where the boring was terminated.
This previous Phase I assessment work did not delineate the vertical limit of
gasoline beneath the probable product line release, nor the lateral limits of the
plume to the north, east, or south. For these reasons the County required that the
full lateral and vertical extent of soil impaction be assessed as a Phase II
characterization. This additional work was completed as part of the initial stages of
the remediation. Four (4) borings ( VI-I, VE-1, VE-2 and VE-3) were advanced to
complete this assessment. These additional borings were then completed as vapor
extraction/inlet wells with the screened intervals and depths selected based upon
field screning of the samples. Well locations and descriptions are given below in
section 3.1. A summary of analytical results may be found in Appendix B.
3.0 WORKPLAN
AquaGeosciences, Inc. plans to install an internal combustion engine vapor
extraction system at this site. Using existing vapor extraction/inlet wells,
AquaGeosciences, Inc. will manifold those existing wells to the vapor extraction
system. A treatability study will be performed to confirm the suitability of the
chosen remedial technology. Additionally, the effectiveness of the remediation will
be confirmed by advancing soil borings through the contaminant plume region.
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3.1 VAPOR EXTRACTION/INLET WELL LOCATIONS AND DEPTHS
Exhibit 2 shows the locations of the existing vapor extraction/inlet wells as well as
locations of prior borings. The locations, depths, and screened intervals were
chosen to provide lateral and vertical coverage of the impacted plume as interpreted
from previous assessment data as well as field data gathered at the time of the well
installation. In general, the vadose plume approximates a teardrop shape beginning
at approximately 10 feet below grade and extending to a depth of 120 feet below
grade. As indicated by the cross-sections included as Appendix C, the plume begins
to spread laterally at a depth of 70 feet below grade, reaching a maximum radius of
nearly 140 feet (NOTE: this is based upon the extreme boundary of the plume. ie.
N on-Detect analytical results.). The region of this plume requiring remediation is
estimated to approximate a right cylinder with a radius of 25 feet and a height of 100
feet.
Wells VI-I, VE-l, VE-2, and VE-3 have been placed within perimeter of the plume
and are screened as follows. In the middle portion of the plume VI-l is screened
from 2S to 6S feet below grade. VE-l is screned across the deep portion of the plume
from 65 to 95 feet below grade. Screened between 40 an 80 feet below grade VE-2 is
completed slightly above VE-l in the mid to deep section of the plume. VE-3 is
screened across the interval of 10 to 40 fet below grade in the shallow zone of the
plume. Completion detail drawings for wells VI-I, VE-l, VE-2, and VE-3 are
included as Exhibits 3 through 6.
Locations of the wells and their relationships to the contaminant plume are
indicated on Exhibit 2-Site Map.
3.2 WELL HEAD DESIGN AND VAL VE CONFIGURATION
Each of the four (4) wells will be equipped with a 2-inch globe valve to control flow
in each of these wells. Flow control on the air inlet wells will help balance
anisotropic flow in the vadose zone due to lithology as measured during the
feasibility study. The well to be placed on vacuum will be manifolded to the IC
Engine YES with two (2) inch diameter flex vacuum hose equiped with cam lock
fitings.
3.3 VACUUM MEASUREMENT AND RADIUS OF INFLUENCE
To estimate the radius of influence for the well configuration we will conduct a field
feasibility test. The field feasibility test will consist of applying a vacuum to each
well in rotation. A vacuum pressure gauge will be placed on each of the three (3)
remaining vapor extraction/inlet wells in turn to measure the vacuum drawdown
at each location. The vacuum pressure gauge to be employed will be capable of
detecting pressure changes as low as O.l-inch of water.
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e
Vacuum drawdown will be recorded from each inlet well and will be plotted against
distance. The distance-drawdown curves thus generated will yield the empirical
data necessary to estimate whether the well configuration will provide sufficient
lateral coverage to effectively remediate the impacted soil.
The radius of influence testing will also yield information regarding anisotropic
flow in the vadose zone which will be used to determine the inlet well valve
configuration.
4.0 TREATMENT OBJECTIVES
The objective of this remediation is to reduce the concentration of contaminants in
vadose zones to levels which are consistent with LUFT manual guidelines and Kern
County Environmental Health Services Division requirements. The proposed
remedial objectives for this site are: TPH as gasoline 100 ppm, benzene 0.3 ppm,
toluene 0.3 ppm, ethylbenzene 1.0 ppm, and total xylenes 1.0 ppm.
5.0 EVALUATION OF MITIGATION
The mitigation of the site will proceed until gasoline vapor concentrations in the
inlet air stream have been reduced to 10 ppm, as determined by a PID. The machine
will be shut down for a period of approximately one week to allow any residual
vapors to accumulate and will then be restarted. This process will be repeated until
the concentration of gasoline vapors in the inlet air stream remain below 10 ppm
after restarting the YES system.
A soil boring will then be advanced through the center of the former contaminant
plume where highest concentrations were found. The confirmation soil boring will
be advanced to a depth of 120 feet. Soil samples will be collected at every five foot
interval from 15 to 120 feet and selected representative soil samples will be
submitted for chemical analysis.
The vapor extraction system and operation will be monitored according to the
monitoring/ testing program as required by the Kern County Air Pollution Control
District in the Authority to Construct. Detailed field monitoring logs will be kept
and monthly status reports will be generated and submitted to our client. The
reports will detail equipment operations, influent/ effluent concentrations and will
document the progress of the remediation.
-
.
6.01 CONFIRMATION BORING, SOIL SAMPLING, FIELD SCREENING AND
CHEMICAL ANALYTICAL METHODS
The following sections will detail the methods to be employed for confirmation
sampling at the end of remedial activities.
6.1 BORING METHODS
The confirmation soil boring will be advanced using a Mobile Drill B-53 Rig, or
equivalent equipped, with 6 5/8 inch or larger hollow stem continuous flight augers
in accordance with ASTM Method D1452-80 for soil investigations and sampling by
auger borings. The auger and hammer will be steam cleaned prior to drilling each
boring.
The lithology and other pertinent data will be recorded on a field boring log in
accordance with ASTM Method D2488-84 for visual description and identification of
soils. Borings will be logged by or under the direct supervision of a California
Registered Geologist.
Cuttings and other spoil from the borings will be placed back in the borehole if field
screening indicates clean samples. If contaminants are detected from field screening,
the cuttings will be stored in D.O.T. approved 55-gallon drums pending analysis.
6.2. SOIL SAMPLING
Soil samples will be collected through the auger in 2-inch brass sleeves driven in a
split spoon sampler by a 140 pound hammer with a 3~-inch drop in accordance with
ASTM Methods D1586-84 for split-barrel sampling of soil and D1587-83 for thin
walled tube sampling of soils. The brass sleeves and sampler will be steam cleaned
prior to each use.
Soil samples will be driven at five foot intervals. The blow counts, recovery, and
lithology will be recorded on field logs. Lithology will be described in accordance
with the Unified Soil Classification System (USeS). One brass sleeve with soil from
each interval will be capped, sealed, and labeled in accordance with EP A protocols,
recorded on a Chain-of-Custody form, placed in a cooler at 40 centigrade or less, and
transported to a California Certified Laboratory with the Chain-of-Custody for the
specified analyses. Selected samples will be analyzed and the other samples will be
held no more than fourteen days for further analyses if necessary.
6.3 FIELD SCREENING
Soil samples will be collected using three six-inch brass tubes installed inside a split
spoon sampler. The middle sample tube will be immediately capped with a teflon
liner separating the soil from the lid, and stored in an iced cooler. The bottom tube
will be used for lithologic description, and the top tube will be used for field
e
e
screening. The material from the top tube will be placed in a mason jar to
approximately 50 percent capacity, shaken, and stored for a period of 15 minutes. A
standard headspace reading will be collected at this time and noted on the boring
log.
6.4: SOIL ANALYSIS
The soil samples will be analyzed by Mobile Labs, Inc., a California State Certified
Laboratory in accordance with state guidelines and EP A protocols. The samples will
be analyzed for Total Petroleum Hydrocarbons as gasoline, benzene, toluene, xylene,
and ethylbenzene (BTXE) using the D.O.H.S. L.U.F.T. Method and EPA Method 8020,
respectively.
7.0 DECOMMISSIONING OF REMEDIA nON EQUIPMENT
After remediation is complete, the vapor extraction wells and the vapor extraction
system will be dismantled. All of the inlet/ extraction wells will be backfilled with
cement grout. No surface evidence of remedial activities will be present following
decommissioning.
8.0 FINAL REPORT
When the remediation process is deemed complete a final report will be submitted
to the Client. This report will include all remedial field operations, analytical data,
and final conclusions. After review by the Client the report will be submitted to
Kern County Environmental Health Services Department. The final report will be
certified by a California Registered Geologist.
9.0 QUALITY ASSURANCE PLAN
This section describes field and analytical quality-assurance procedures to be
followed during the remediation.
9.1 SAMPLE COLLECTION AND HANDLING PROTOCOL
Proper sample collection and handling are essential to assure quality of data
obtained from a sample. Each sample therefore will be collected in a brass tube,
preserved correctly for the intended analysis and stored for no longer than the
permissible holding time prior to analysis. Protocol to be applied in this project is
described in Section 6.2.
e
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9.2: SAMPLE IDENTIFICATION AND CHAIN OF CUSTODY PROTOCOL
Sample identification and Chain of Custody procedures are designed to assure
sample quality and to document sample possession from the time it is collected to
thE~ time of its ultimate disposal. The container for each sample submitted for
analysis will have a label affixed with the identifying number or the number will be
inscribed directly on the container if feasible. The analytical laboratory will assign a
separate sample number unique to that sample for internal sample coordination
and identification. A description of the sample, including the sample number and
other pertinent information regarding its collection and/ or geologic significance
will be written in field notes and/ or a geologic boring log prepared by the site
geologist. These field documents will be kept in a permanent project file. All
samples will be analyzed by a State Certified Laboratory for the analyses requested.
A properly completed Chain of Custody document will be submitted to the
analytical laboratory along with the samples. The laboratory's assigned number will
be properly entered on the form. A quality control officer at the lab will verify the
integrity of the samples submitted, proper sample volume, correctness of containers
used and properly executed Chain of Custody document. Pertinent information will
be entered into a log book kept by the laboratory.
9.3 ANALYTICAL QUALITY ASSURANCE
In addition to routine calibration of analytical instruments with standards and
blanks, the analyst is required to run duplicates and spikes on 10 percent of analyses
to assure an added measure of reliability and precision. Accuracy is verified through
thE~ following:
1. U.S. EP A and State certification of results;
2. Participation in inter-laboratory round robin programs;
3. "Blind" samples are submitted for analysis by the qualitycontrol officer
on a weekly basis. These are preparedfrom NationalBureau of
Standards specifications of EP Areference standards;
4. Verification of results with an alternative method.
10.0 SITE SAFETY PLAN
Appendix A contains a Site Safety Plan which complies with the Worker Right to
Know Regulations and CAC Title 26.
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EXHIBITS
~~M'N%\
105'
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3'
AQuaGeosciences. Inc.
1701 Westwind Drive Suite 103
Bakersfield, California 93301
Telephone: (805) 328-0962
Fax 328-1129
3'
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END CAP
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WATER
TABLE
Title
WELL DIAGRAM
Pence Petroleum
VE-' Completion Detail
Sl
Exhibit
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ÄquaGeosciences. Inc.
1701 Westwind Drive Suite 103
Bakersfield, California 93301
Telephone: (805) 328-0962
Fax 328-1129
. .
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Title
WELL DIAGRAM
Pence Petroleum
VE-2 Completion Detail
Exhibit
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FLUSH THREADED
END CAP
NOT TO
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AQuaGeosciences. Inc.
1701 Westwind Drive Suite 103
Bakersfield, California 93301
Telephone: (805) 328-0962
Fax 328-1129
Title
WELL DIAGRAM
Pence Petroleum
VE-3 Completion Detail
Exhibit
5
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AquaGeosciences. Inc.
1701 Westwind Drive Suite 103
Bakersfield, California 93301
Telephone: (80S) 328-0962
Fax 328-1129
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Title
WELL DIAGRAM
Pence Petroleum
VI-l Completion Detail
·
APPENDIX A
SITE SAFETY PLAN
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SITE SAFETY PLAN
INTRODUCTION:
A Site Safety Plan (SSP) has been designed to address safety provisions needed
during the site soil remediation. Its purpose is to provide established procedures to
protect all on-site personnel from direct skin contact, inhalation, or ingestion of
potentially hazardous materials that may be encountered at the site. The SSP
establishes personnel responsibilities, personal protective equipment standards
decontamination procedures, and emergency action plans.
AquaGeosciences, Inc. seeks to enter property described above for the purpose of
installing a vapor extraction system consisting of four (4) vapor extraction/inlet
wells, manifolding, vapor extraction trailer and internal combustion engine unit.
Drilling equipment will be brought to the site and operated by a subcontractor:
Melton Drilling
1701 Downing Avenue
Bakersfield, California 93308
C-57 License Number 508270
The SSP describes means for protecting all on-site personnel from deleterious
contamination or personal injury while conducting on-site activities. As described
below we will meet all requirements promulgated by the California Department of
Heal th Services.
SITE BACKGROUND
This property, now vacant, was formerly a gasoline service station. On November 1,
1989, two (2) 6,000 gallon underground gasoline storage tanks, one (1) 10,000 gallon
underground gasoline storage tank, one dispenser island and associated product
lines were removed. Subsequently, site characterization has been performed
assesing the extent of the contaminant plume. During the characterization phase
four (4) of the soil borings that were advanced were completed as vapor
extraction/inlet wells. These wells will be used during the remediation phase of
this project.
RESPONSIBILITY OF KEY PERSONNEL:
All personnel on-site will have assigned responsibilities. Mr. Phil Goalwin, R.G. of
AquaGeosciences, Inc. will serve as Project Manager and On-Site Geologist. Mr.
Thomas Reeves will serve as Project Engineer. He will also serve as Site Safety
Officer (550). As 550, Mr. Reeves will assure that on-site personnel have received a
copy of SSP. Personnel will be required to document their full understanding of the
.
.
SSP before admission to the site. Compliance with the SSP will be monitored at all
times by the 550. Appropriate personal protective equipment, listed below, will be
used as necessary. Mr. Goalwin will conduct a training session to assure that all are
aware of safe work practices. In the training session, personnel will be made aware
of hazards at the site and will utilize Material Safety Data Sheets for information on
compounds.
The 550 will also be responsible for keeping field notes, collecting and securing
samples, and assuring sample integrity by adherence to Chain-of-Custody protocol.
On-site employees will take reasonable precautions to avoid unforseen hazards.
After documenting understanding of the SSP, each on-site employee will be
responsible for strict adherence to all points contained herein. Any deviation
observed will be reported to the 550 and corrected. On-site employees are held
responsible to perform only those tasks for which they believe they are qualified.
Provisions of this SSP are mandatory and personnel associated with on-site
activities will adhere strictly hereto.
JOB HAZARD ANALYSIS:
Hazards likely to be encountered on-site include those commonly encountered
when operating any mechanical equipment, such as the danger of falling objects or
moving machinery.
Simple precautions will reduce or eliminate risks associated with operating such
equipment.
A drilling contractor has been employed to deliver and operate all drilling
equipment. Qualified personnel only will have any contact with this equipment.
All on-site personnel, including the drilling contractor and his employees, are
required to wear hard hats when in close proximity to drilling equipment. Latex
gloves will be worn by persons collected or handling samples to prevent exposure to
contaminants. Gloves will be changed between samples, and used ones discarded, to
avoid cross-contamination. Proper respiratory equipment will be worn if vapor
contamination levels on-site exceed action levels as determined using PID. Action
levels requiring respiratory apparatus will be 5 ppm, in the breathing space.
Furthermore, no on-site smoking, open flame, or sparks will be permitted in order
to prevent accidental ignition.
RISK ASSESSMENT SUMMARY:
Exposure to chemicals anticipated on-site include gasoline, benzene, toluene, and
xylene (BTX). These chemicals represent a hazard because they are moderately to
extremely toxic and most are highly flammable.
·
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Threshold Limit Values (TLV's), Short Term Exposure Limits (STEL's), and Toxicity
levels (LD50, oral-rat), all in mg/kg (ppm), are listed below:
COMPOUND TLV STEL TOXICITY
Gasoline 200 300 -------
Benzene 10 25 4894
Toluene 100 50 5000
Xylene 100 150 4300
Benzene is considered an extreme cancer hazard.
EXPOSURE MONITORING PLAN:
A Photo-Ionization Detector (PID) will be used to monitor vapor concentrations
around site. Should concentrations exceed TL V's, protective measures will be taken.
Passive dosimeter badges will be placed in downwind locations if PID reading
indicate high levels of volatile organics in the breathing space.
PERSONAL PROTECTIVE EQUIPMENT:
Personnel on-site will have access to respirators with organic vapor cartridges.
Replacement cartridges will be available on-site as needed. When handling
samples, the on-site geologist will wear latex gloves. Hard hats will be worn by all
personnel on-site when in proximity of drilling equipment.
WORK ZONES AND SECURITY MEASURES:
Access to the site will be restricted to authorized personnel. Fencing, a set of cones,
placards, or wide yellow tape, surrounding the site will define perimeter. The
Project Manager will be responsible for site security.
DECONTAMINATION MEASURES:
Avoidance of contamination whenever possible is the best method for protection.
Common sense dictates that on-site personnel avoid sitting, leaning, or placing
equipment on possibly contaminated soil.
All personnel will be advised to wash their hands, neck, and face with soap and
water before taking a break or leaving the site. Respirators will be washed with soap
and water following each day's use. Drilling and sampling equipment used will be
decontaminated by stearn-cleaning. Sampling equipment will be decontaminated
before each sample is taken and drilling equipment will be decontaminated before
each boring is commenced.
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GENERAL SAFE WORK PRACTICES:
Drillers and other on-site personnel will be briefed each day in "tailgate" meetings as
to the day's goals and equipment to be used. Anticipated contaminants and
emergency procedures will be reviewed. Appropriate personal protective
equipment will be put on and verified correct by SSO, including respirator fit.
Drilling and sampling equipment will be steam-cleaned before being brought on-
site. Split-spoon sampling equipment will be steam-cleaned before each use.
Augers will be steam-cleaned between borings.
The On-Site Geologist will oversee operations and log borings in consultation with
drillers. The Sample Coordinator will assure that proper protocol is used at all
times in collecting and handling samples.
TRAINING REQUIREMENTS:
The SSO will conduct a pre-site training session which will include all points of
MSDS forms, contaminant properties, warning signs, health hazard data, risk for
exposure, and emergency first aid. All chemicals to be covered and the SSO will
assure that everyone fully understands site hazards.
MEDICAL SURVEILLANCE PROGRAM:
According to CPR 29, 1910.120, paragraph (f), employees who wear respirators 30 days
or more during one year or who have been exposed to hazardous substances or
health hazards above established permissible exposure limits are required to be
monitored medically. All site personnel will be required to have had a complete
chemical physical within the past year.
RECORD KEEPING:
Documentation will be kept on personnel exposed to contaminant hazards on the
job site according to OSHA regulations. These will include documentation that
employees have received training on the SSP, respiratory protection, MSDS forms,
and all emergency procedures. These will be reviewed during the pre-site training
meeting.
Exposure records on each job will be kept for 30 years to meet requirements.
Included will be names and social security number of employees, medical
evaluation, on-the-job logs from entry to exit, first aid administered, visits on-site by
outside persons, and personal air monitoring records.
.
.
CONTINGENCY PLANS:
In the event of accident, injury, or other emergency, the Project Director, Senior
Project Manager, or other person will notify appropriate government agencies of
individuals as follows:
1. Kern County Department of Environmental
Health Services
2700 "M" Street
Bakersfield, California 93301
Ms. Flora Darling
(805) 836-2261
2. Police, Fire, or Ambulance Emergency
911
3. Nearest Emergency Hospital:
Mercy Hospital
2215 Truxtun Avenue
Bakersfield, California 93301
(805) 327-3371
-
.
APPENDIX B
SUMMARY OF ANALYTICAL RESULTS
. .
Summary of Analytical Results
ßgring Oepth Benzene Toluene Ethylbenzene Xylene ~
B2 11 NO NO NO NO NO
B2 16 NO NO NO NO NO
B2 26 NO NO NO NO NO
B2 36 0.013 0.028 NO 0.0178 NO
B2 51 0.29 0.49 0.030 0.179 5.2
B3 11 3.1 49 13 184 1800
B3 31 21 340 78 480 4200
B3 51 370 2000 400 2430 24000
B3 71 340 1600 350 12080 18000
B3 81 44 370 97 600 4700
B3A 90 0.061 0.006 0.069 0.022 0.54
B3A 95 0.073 0.062 0.38 0.31 2.2
B3A 100 0.008 0.006 0.023 0.018 NO
B3A 105 0.032 0.32 0.17 0.16 1.3
B3A 110 7.0 NO 11 NO NO
B3A 115 0.01 0.01 0.042 0.05 0.62
B3A 120 0.041 0.052 0.28 0.27 2
B4 ' 75 0.078 0.009 NO 0.023 NO
64 85 0.18 0.19 0.025 0.057 0.82
64 95 0.38 0.05 0.22 0.18 2.0
64 105 0.3 0.35 0.13 0.11 1.5
B4 110 NO NO NO NO NO
B4 115 NO NO NO NO NO
B4 120 NO NO NO NO NO
VI-1 25 183.750 421.220 82.105 984.220 15000
VI-1 40 73.505 168.210 31.215 492.015 6625
VI-1 55 91.875 210.000 42.310 615.010 7420
VI-1 70 61.250 140.000 27.010 322.975 5105
VE-1 65 200.335 505.075 92.015 1105.125 17220
VE-1 85 147.310 323.015 52.710 779.875 12910
VE-1 100 0.995 1.210 0.275 4.225 1·25
VE-1 105 NO NO NO NO NO
VE-2 35 0.335 1.010 0.105 2.220 120
VE-2 50 12.220 28.885 5.500 103.775 1850
VE-2 60 2.210 9.055 0.875 12.150 375
VE-2 80 NO NO NO NO 30
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~rinq Depth Benzene Toluene Ethvlbenzene Xylene ïfH
VI~-3 10 ND ND ND 0.105 80
V]~-3 15 1.115 20.210 0.725 9.990 320
VE-3 20 11.775 26.210 3.330 88.845 1250
VE-3 30 17.200 50.270 7.710 161.075 1825
All results in milligrams per kilogram
ND = Hot ~etected
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APPENDIX C
CROSS SECTION DRAWINGS
B-3
B-3A
SCALE:
VERTICAL
HORIZONTAL
1 " ... 20'
1" ... 20'
VE-2
VE-l
SCALE: VERTICAL 1" = 20'
HORIZONTAL 1" = 20'
B-4
B-2
NO
NO
ND
ND
SCALE: VERTICAL 1" = 20'
HORIZONTAL 1" = 20'
¿U2§ .E01.C!~nC!.E;iJ [] nC!.
-> ", ,- Groundwater Scientists · Environmental Consultants
It
Workplan for Soil Investigation
at
Pence Petroleum Automated Fuels
901 E. Truxtun Avenue, Bakersfield, California
Presented To:
Mr. Robb Pence
Presented By:
AquaGeosciences, Inc.
July, 1991
~¡?~
Thomas Reeves
Project Engineer
Philip Go win, R.G. # 4779
PrincipaI Hydrogeologist
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1701 Westwind Drive, Suite 101 · Bakersfield, California 93301
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Table of Contents
Page
1.0 Introduction 1
1.1 Purpose 1
1.2 Scope of Services 1
1.3 Schedule 1
2.0 Background 2
2.1 Facility Description 2
2.2 project History 2
3.0 Workplan 3
3.1 Soil Borings and Vapor Extraction/Inlet Wells
Depths and Locations 3
3.2 Boring Methods 3
3.3 soil Sampling 3
3.4 Soil Analyses 4
3.5 Field Screening 4
3.6 Installation of Vapor Extraction Well 4
4.0 Final Report 5
5.0 Quality Assurance Plan 5
5.1 Sample Collection and Handling Protocol 5
5.2 Sample Identification and Chain of Custody
Protocol 5
5.3 Analytical Quality Assurance 5
6.0 Site Safety Plan 6
Exhibits 1-4
Appendix A -
Maps & Diagrams
Site Safety Plan
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.l.0 INTRODUCTION
Pence Petroleum has authorized AquaGeosciences, Inc. to prepare
t:his workplan for further site characterization at Pence Petroleum
þ',utomated Fuels located at 901 E. Truxtun Avenue, Bakersfield,
California.
1.1 PURPOSE
T'he soil investigation described in this workplan has the following
objectives:
* Further assess the vertical and lateral extent of fuel
hydrocarbons in the sub-surface soils;
* Install one vapor extraction well and possibly one vapor
extraction/inlet well.
1.2 SCOPE OF SERVICES
The scope of services described in this workplan includes:
* Development of a Site Safety Plan;
* Advancing two (2) soil borings after obtaining any
necessary permits;
* Collecting soil samples at approximately 5-foot intervals
and preparing field boring logs;
* Field screening soil samples for the presence of
hydrocarbon vapor with a Photo-Ionization detector(PID);
* Collection and submittal of representative soil samples
to B.C. Laboratories, Inc. for fuel analysis of fuel
hydrocarbons as gasoline, and the gasoline constituent
volatile aromatics using the D.H.S L.U.F.T. Method and
EPA Method 8020, respectively;
* Installation in one of the borings of one (1) 4-inch
diameter vapor extraction well; and possible completion
of the second boring as a 4-inch diameter air inlet well;
* Preparing a report summarizing methods and results of the
soil investigation.
1.3 SCHEDULE
AquaGeosciences, Inc. anticipates beginning work described in this
workplan within one week pending approval from KCEHSD and
authorization to proceed from Pence Petroleum.
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In general the soil borings will be completed within one week of
m()bilization to the site depending upon the availability of a
qualified drilling rig, the occurrence of good weather, and other
factors including client needs and site-specific conditions.
Installation of the vapor extraction/inlet wells in the soil
b()rings will be completed concurrently. Upon completion of the
investigation AquaGeosciences, Inc. will issue a Draft Report to
our Client. Upon approval, and revision if necessary,
AquaGeosciences, Inc. will submit a Report of Findings to KCEHDS
that is stamped and certified by a Registered Geologist and/or
civil Engineer (R.G. and/or R.C.E.).
2.0 BACKGROUND
The site is located at 901 E. Truxtun Avenue, Bakersfield,
California as shown on Exhibit 1. The subject property is located
east of Beale Avenue, between East Truxtun Avenue and East 18th
S'treet. The assessor's Parcel Number is 017-160-07, situated in
Slection 29, Township 29 South, Range 28 East, Mount Diablo Baseline
and Meridian.
2.1 FACILITY DESCRIPTION
The property is currently unoccupied and was formerly operated as
Pence Automated Fuels by the Pence Petroleum Company.
2.2 PROJECT HISTORY
On November 1, 1989, two (2) 6,000 gallon underground gasoline
storage tanks, one (1) 10,000 gallon underground gasoline storage
tank, one dispenser island and associated product lines were
removed from Pence Petroleum's Automated Fuels Cardlock at 901 E.
Truxtun Avenue, Bakersfield, California. Soil Samples collected at
that time indicated that the soil had been impacted with gasoline,
and that a site characterization study would be required.
Subsequently, Associated Soils Analysis advanced four soil borings
to a maximum depth of 120 feet below surface grade. Boring B-3,
advanced through the location along the product line where the
release is believed to have originated, detected gasoline at 24,000
mg/kg at 50 feet below surface grade. That boring was terminated
at 80 feet below surface grade with TPH as gasoline detected at
4,700 mg/kg. Boring B-3A advanced ten feet to the west detected
TPH as gasoline at 0.54 mg/kg at 90 feet below surface grade, and
had indications of continued low levels of impaction to 120 feet
below surface grade.
The previous Phase I assessment work has partially delineated the
vertical limit of soil impaction beneath the probable product line
release, and the lateral limits of the plume to the north, east,
and south. Upon review, the County requires that the plume be
further assessed with an additional Phase II characterization.
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BC1rings will be advanced to further assess the lateral and vertical
e)j:tent of the plume, and then be completed as vapor extraction or
inlet wells depending on the field results.
L 0 WORKPLAN
AquaGeosciences, Inc. proposes to install one (1) 4-inch diameter
vapor extraction well within the plume with subsequent manifolding
to a vapor extraction unit and possibly one (1) 4" diameter air
inlet well if the second soil boring is determined to be outside of
the contaminated plume.
3.1 SOIL BORING AND VAPOR EXTRACTION WELL DEPTHS AND LOCATIONS
Exhibit 2 shows the proposed location of the extraction well, as
wEÜl as the proposed location of the new extraction/inlet well.
The locations, depths and screened intervals have been selected to
provide lateral and vertical coverage of the impacted plume as
interpreted from prior assessment information. The vapor
extraction well located in the center of the plume will most likely
bH screened from 65 feet to 100 feet in depth.
After installation of the aforementioned Soil Borings and Vapor
EJ,traction/lnlet Wells, AquaGeosciences, Inc. will reinterpret
the lateral and vertical extent of the contamination plume.
AquaGeosciences, Inc. will use existing chemical analytical data in
c()njunction with newly acquired chemical analytical data to provide
a reinterpretation of plume definition. The reevaluation will be
presented in report format and will include interpretive cross-
sE~ctions .
3.2 BORING METHODS
The borings will be advanced using a Mobile Drill B-80, or
equivalent, equipped with a 8-inch or larger hollow stem continuous
flight auger in accordance with ASTM Method 0 1452-80 for soil
investigations and sampling by auger borings. If the auger rig
proves unsuccessful, a Failing 1250 air rotary drilling rig
equipped with a wireline and hammer sampling device will be used.
The auger and hammer will be steam cleaned prior to drilling each
boring.
The lithology and other pertinent data will be recorded on a field
boring log in accordance with ASTM Method 0 2488-84 for visual
dE:!scription and identification of soils. Borings ~.¡ill be logged by
a California Registered Geologist and/or civil Engineer.
cuttings and other spoil from the borings will be placed on
visquene and allowed to aerate or in 55 gallon DOT drums.
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3..3 SOIL SAMPLING
Soil samples will be collected through the auger in 2-inch brass
sleeves driven in a split spoon sampler by a 140 pound hammer with
a 30-inch drop in accordance with ASTM Methods D1586-84 for split-
barrel sampling of soil and D1587-83 for thin walled tube sampling
of soils. The brass sleeves and sampler will be steam cleaned
prior to each use.
Soil samples will be driven at five foot intervals. The blow
counts, recovery, and lithology will be recorded on field logs.
Lithology will be described in accordance with the Unified Soil
Classification System (USCS). One brass sleeve with soil from each
interval will be capped, sealed, and labeled in accordance with EPA
protocols, recorded on a Chain-of-Custody form, placed in a cooler
at, 4°C or less, and transported to a California Certified
laboratory with the Chain-of-Custody for the specified analyses.
Selected samples will be analyzed and the other samples will be
held no more than fourteen days for further analyses if necessary.
3.4 SOIL ANALYSES
The soil samples will be analyzed by B.C. Laboratories, Inc., a
California State Certified Laboratory in accordance with state
guidelines and EPA protocols. The samples will be analyzed for
fuel hydrocarbons, benzene, toluene, xylene, and ethylbenzene
(B'rXE) using the D.O.H.S. L.U.F.T. Method and EPA Method 8020,
respectively.
~5 FIELD SCREENING
Soil samples will be collected using three six-inch brass tubes
installed inside a spli tspoon sampler. The middle sample tube will
be immediately capped with a teflon liner separating the soil from
the lid, and stored in an iced cooler upon collection. The bottom
tube will be used for lithologic description, and the top tube will
be used for field screening. The material from the top tube will
be placed in a mason jar to approximately 50 percent capacity,
shaken, and stored for a period of 15 minutes. A standard
headspace reading will be collected at this time and noted on the
boring log.
3.6 INSTALLATION OF VAPOR EXTRACTION WELLS AND MANIFOLDING FOR VES
OPERATION
The! vapor extraction well will be completed as shown on Exhibit 3.
The well casing will consist of Schedule 40, factory slotted (0.020
inch), four inch diameter (I. D.) hydrolock flush threaded PVC pipe.
A flush threaded bottom cap will be provided. The slotted section
will extend across the contaminated areas, and the annular filter
pack will consist of Number 3 Monterey sand. The filter pack will
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be placed from total depth to 3 feet above slotted interval. One
foot of bentonite pellets will be poured above the sand to form a
seal. Cement grout will extend from the bentonite seal to the
surface. Well cover boxes ("Christy Boxes") will be set in cement
at surface grade. The air inlet well, if installed, will be
completed as above and as depicted on Exhibit 4.
hO FINAL REPORT
When the investigation process is deemed complete, a Phase II
assessment report will be submitted to the Client. This report
will include all field operations, analytical data, final
conclusions, and recommendations. The report wiÍl also contain
recommendations for the type of vapor extraction system best
suited for this site.
~o OUALITY ASSURANCE PLAN
This section describes field and analytical quality-assurance
pr'Dcedures to be followed during the soil investigation.
5.1 SAMPLE COLLECTION AND HANDLING PROTOCOL
Proper sample collection and handling are essential to assure
quali ty of data obtained from a sample. Each sample therefore will
be collected in a brass tube, preserved correctly for the intended
analysis and stored for no longer than the permissible holding time
prior to analysis. Protocol to be applied in this project is
described in section 3.3 and 3.4.
5.:2 SAMPLE IDENTIFICATION AND CHAIN OF CUSTODY PROTOCOL
Sample identification and Chain of custody procedures are designed
to assure sample quality and to document sample possession from the
time it is collected to the time of its ultimate disposal. The
container for each sample submitted for analysis will have a label
affixed with the identifying number or the number will be inscribed
directly on the container if feasible. The analytical laboratory
will assign a separate sample number unique to that sample for
in1:ernal sample coordination and identification. A description of
thE~ sample, including the sample number and other pertinent
information regarding its collection and/or geologic significance
will be written in field notes and/or· a geologic boring log
prE~pared by the site geologist. These field documents will be kept
in a permanent project file. All samples will be analyzed by a
State certified laboratory for the analyses requested.
A properly completed Chain of Custody document will be submitted to
thE! analytical laboratory along with the sample. The laboratory's
assigned number will be properly entered on the form. A quality
control officer at the lab will verify integrity of samples
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submi tted, proper sample volume, correctness of containers used and
pr,operly executed Chain-of-Custody document. Pertinent information
will be entered into a log book kept by the laboratory.
5.3 ANALYTICAL QUALITY ASSURANCE
In addition to routine calibration of analytical instruments with
standards and blanks, the analyst is required to run duplicates and
spikes on 10 percent of analyses to assure an added measure of
reliability and precision. Accuracy is verified through the
following:
1.) U.S. EPA and State certification of results;
2.) Participation in inter-laboratory round robin programs;
3. ) "Blind" samples are submitted for analysis by the quality
control officer on a weekly basis. These are prepared
fro~ National Bureau of Standards specifications of EPA
reference standards;
4.) Verification of results with an alternative method.
6.0 SITE SAFETY PLAN
Appendix A contains a site Safety Plan which complies with the
Worker Right to Know Regulations and CAC Title 26.
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AauaGt=osciences. Inc.
170 I Weslwind Drive Suile 103
Bakersfinld. California 93301
relephonl~: (605) .326-0962
Fax 328-1129
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AquaGeosciences. Inc.
1 70 1 WIBstwind Drive Sui Le 103
Bakersfield. California 9330
Telephone: (805) 326-0962
Fa ( 328-1129
Title
WELL DIAGRAM
Pence Petroleum
VAPOR iNLET WELL
Exhibit
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APPENDIX A
SITE SAFETY PLAN
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APPENDIX A
SITE SAFETY PLAN
INTRODUCTION:
A Site safety Plan ( SSP) has been designed to address safety
provisions needed during the site soil remediation. Its purpose is
to provide established procedures to protect all on-site personnel
from direct skin contact, inhalation, or ingestion of potentially
hazardous materials that may be encountered at the site. The SSP
establishes personnel responsibili ties, personal protecti ve
eq¡uipment standards, decontamination procedures, and emergency
action plans.
AquaGeosciences, Inc. seeks to enter the property previously
de,scribed for the purpose of further site characterization,
installation of one (1) Vapor Extraction Well and possible
installation of an air inlet well.
soil samples will be collected at five-foot intervals during
exploratory drilling using California modified split-spoon sampler
through hollow-stem auger. All possible efforts will be made to
collect undisturbed samples. Each sample that is to be chemically
analyzed will be collected in a brass sleeve, capped with lined
plastic lids, sealed with tape, and placed on ice in a cooler
immediately. All Chain-of-Custody protocol will be followed.
Drilling equipment will be brought to the site and operated by a
subcontractor:
Melton Drilling Company
1701 Downing Avenue
Bakersfield, California 93308
(805)589-0521
C-57 License #508270
The sSP describes the means for protecting all on-site personnel
from deleterious contamination or personal injury while conducting
on--si te acti vi ties. As described below AGI will meet all
requirements promulgated by the California Department of Health
Services.
W~E BACKGROUND
This property, located at 901 E. Truxtun Avenue, Bakersfield,
California, is currently unoccupied, but was formerly operated as
Pence Petroleum Automated Fuels. On November 1, 1989, all gasoline
tanks, dispenser islands, and associated piping were removed from
the site. Subsequently, soil borings were advanced and samples
were collected and analyzed. This previous Phase I assessment work
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IC: WC'RKPLAIf IPENCEXøv . WKP
8
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ha.s partially delineated the plume, upon review the County is
re!quiring additional Phase II characterization.
BE:SPONSIBILITY OF KEY PERSONNEL:
All personnel on-site will have assigned responsibilities. Mr.
Phil Goalwin, R.G. of AquaGeosciences, Inc. will serve as Project
Manager and On-Site Geologist. He will also serve as Site Safety
Of'ficer (SSO). As SSO, Mr. Goalwin will ensure that on-site
pe!rsonnel have received a copy of the SSP. Personnel will be
re!quired to document their full understanding of the SSP before
adœission to the site. Compliance with the SSP will be monitored
at: all times by the SSo. Appropriate personal protective
equipment, listed below, will be used. The SSO will conduct a
t:raining session to assure that all are aware of safe work
practices. In the training session, personnel will be made aware
of' hazards at the site and will utilize Material Safety Data Sheets
for information on compounds.
The SSO will also be responsible for keeping field notes,
collecting and securing samples, and ensuring sample integrity by
adherence to Chain-of-Custody protocol.
On-site employees will take reasonable precautions to avoid
unforseen hazards. After documenting understanding of the SSP,
each on-site employee will be responsible for strict adherence to
all points contained herein. Any deviation observed will be
rE!ported to the SSO and corrected. On-si te employees are held
rE!sponsible to perform only those tasks for which they believe they
are qualified.
provisions of this SSP are mandatory and personnel associated with
on-site activities will adhere strictly hereto.
JOB HAZARD ANALYSIS:
Hazards likely to be encountered on-site include those commonly
encountered when operating any mechanical equipment, such as the
danger of falling objects or moving machinery.
Simple precautions will reduce or eliminate risks associated with
operating such equipment.
A drilling contractor has been employed to deliver and operate all
drilling equipment. Qualified personnel QIl1y will have any contact
wi.th this equipment. All on-site personnel, including the drilling
contractor and his employees, are required to wear hard hats when
in close proximity to drilling equipment. Latex gloves will be
worn by persons collected or handling samples to prevent exposure
to contaminants. Gloves will be changed between samples, and used
ones discarded, to avoid cross-contamination. Proper respiratory
equipment will be worn if vapor contamination levels on-site exceed
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/C:WORKPLAIf/PENCEJ:NV.WKP
9
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action levels as determined using PID. Action levels requ1r1ng
respiratory apparatus will be 5 ppm in the breathing space.
Furthermore, no on-site smoking, open flame, or sparks will be
permitted in order to prevent accidental ignition.
RISK ASSESSMENT SUMMARY:
Exposure to chemicals anticipated on-site include gasoline,
benzene, toluene, and xylene (BTX). These chemicals represent a
hazard as they are moderately to extremely toxic and most are
highly flammable. Threshold Limit Values (TLV's), Short Term
Exposure Limits (STEL's), and Toxicity levels (LD50, oral-rat), all
in mgjkg (ppm), are listed below:
COMPOUND TLV .sTE.t TOXICITY
Gasoline 200 300 --------
Benzene 10 25 4894
Toluene 100 150 5000
Xylene 100 150 4300
Benzene is considered an extreme cancer hazard.
~:POSURE MONITORING PLAN:
A Photo-Ionization Detector (PID) will be used to monitor vapor
concentrations around site. Should concentrations exceed TLV's,
protective measures will be taken. Passive dosimeter badges will
be placed in downwind locations if PID reading indicate high levels
of volatile organics in the breathing space.
PERSONAL PROTECTIVE EOUIPMENT:
Personnel on-site will have access to respirators with organic
vapor cartridges. Replacement cartridges will be available on-site
as needed. When handling samples, the on-site geologist will wear
latex gloves. Hard hats will be worn by all personnel on-site when
in proximity of drilling equipment.
WORK ZONES AND SECURITY MEASURES:
Access to the site will be restricted to authorized personnel. A
set of cones, placards, or wide yellow tape, surrounding the site
will define perimeter. The Project Manager will be responsible for
site security.
DECONTAMINATION MEASURES:
Avoidance of contamination whenever possible is the best method for
protection. Common sense dictates that on-site personnel avoid
sitting, leaning, or placing equipment on possibly contaminated
soil.
IBC'!"
IC: h10RKPLAlf IPElfCEJ:!fV . WKP
10
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All personnel will be advised to wash their hands, neck, and face
wi 1t.h soap and water before taking a break or leaving the si te .
Re:spirators will be washed with soap and water following each day's
us-e.
Drilling and sampling equipment used will be decontaminated by
st,eam-cleaning. Sampling equipment will be decontaminated before
ea,ch sample is taken and drilling equipment will be decontaminated
before each boring is commenced.
~NERAL SAFE WORK PRACTICES:
Drillers and other on-site personnel will be briefed each day in
"tailgate" meetings as to the day's goals and equipment to be used.
Anticipated contaminants and emergency procedures will be reviewed.
Appropriate personal protective equipment will be put on and
verified correct by SSO, including respirator fit.
Drilling and sampling equipment will be steam-cleaned before being
brought on-site. Split-spoon sampling equipment will be steam-
cleaned before each use. Augers will be steam-cleaned between
belrings.
The On-site Geologist will oversee operations and log borings in
ccmsultation with drillers. The Sample Coordinator will assure
that proper protocol is used at all times in collecting and
handling samples.
TI~INING REOUIREMENTS:
The SSO will conduct a pre-site training session which will include
all points of MSDS forms, contaminant properties, warning signs,
hE~alth hazard data, risk for exposure, and emergency first aid.
All chemicals expected to be encountered will be covered and the
SSO will ensure that everyone fully understands site hazards.
W~DICAL SURVEILLANCE PROGRAM:
According to CFR 29, 1910.120, paragraph (f), employees who wear
r~espirators 30 days or more during one year or who have been
exposed to hazardous substances or health hazards above established
permissible exposure limits are required to be monitored medically.
All site personnel will be required to have had a complete chemical
physical within the past year.
RECORD KEEPING:
Documentation will be kept on personnel exposed to contaminant
hazards on the job site according to OSHA regulations. These will
include documentation that employees have received training on the
SSP, respiratory protection, MSDS forms, and all emergency
Is,er
Ie:: WORKPLAJr/PElfCEDfV. WKP
11
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procedures. These will be reviewed during the pre-site training
meeting.
Exposure records on each job will be kept for 30 years to meet
requirements. Included will be names and social security numbers
of employees, medical evaluations, on-the-job logs from entry to
exit, first aid administered, visits on-site by outside persons,
and personal air monitoring records.
CONTINGENCY PLANS:
i'
In the event of accident, injury, or other emergency, the Project
Director, Senior Project Manager, or other person will notify
appropriate government agencies or individuals as follows:
1. Kern County Department of Environmental
Health Services
2700 "M" Street
Bakersfield, California 93301
Ms. Flora Darling
(805)836-2261
2. Police, Fire, or Ambulance Emergency
911
3. Nearest Emergency Hospital:
Mercy Hospital
2215 Truxtun Ave.
Bakersfield, California 93301
(805)327-3371
/s,cr
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~ Associated Soils Analysis
December 28, 1990
File No. 111-90 ASA
1741-90 CTL
RCJbb Pence
PI~nce Pe-J:ro 1 eu.m Company
~'70û Wear street
Bak~rsfieldJ CA 93308
Project: Site Investigation for petroleum constituents present in
soil at 901 E. 19th street, Bakersfield, California.
D'ear Mr. Fence:
r..'\ accordance with our work plan approved on June 15, 1990, by the
:Ker:: COU!lty Health Department, four exploratory testhol", bCiring3
were drilled at 901 E. 19th street, Bakersfield, California. The~e
t'e~thole borings were located and drilled to determine the vertical
a;¡::' lateral extent of petroleum constituents in the soil, and if
these constituents have impacted ground water. The fi~!è.
inve~tigation was conducted on July 9 & 10, 1990 and November 6 &
7, 1990.
1141 Batavia Ct. · Tulare, California 93274 · (209) 688-1011
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Rob Pence
December 28, 1990
Page 2
Our field investiga~ion and laboratory analyses
accordance with approved A. S. T. M. and E. P. A.
report presents the resul ts and. conclus~ions' of
work performeå during the site investigation.
werw·conducted in
Standards. This
the-investigative
The recommendations have not been included in the,repcrt-; but are
enclosed for your prior review as previously requested.
Sincerely,
Associated Soils Analysis
10 rrf~
Wayne F. Harris
R.C.E. 15342, Exp. 3-31-93
jy.Lu~
Linda A. Launer
Registered Environmental
Health Specialist
WFH:ms
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PENCE PETROLEUM COMPANY
901 E. 19TH STREET
BAKERSFIELD I CA
FILE NO: 111-90 A.S.A
1741-90 C.T.L
TABLE OF CONTENTS
SECTION
PAGE
FINDINGS.
. . . ..
. . . .
...........
1
CONCLUSIONS
...........
2
SCOPE OF WORK . . . . . . . . . . . . .
. . .
. . . .
3
SITE HISTORY . .
...................
4
TABLE I. . . . .
. . . . . . . . . . . . . . . . . . . .
5
SITE CONDITIONS. . . . . . . . . . . . . . . . . . . . . . 7
SOIL LITHOLOGY. . .
. . .
· . . .
. . . . . . . . . .
8
GEOLOGIC CONDITIONS
. . .
· . . .
· . . .
.11
GROUND WATER CONDITIONS.
..........
· . . .
.12
FIELD INVESTIGATION. . . .
. . .
. . . .
.14
PRIMARY SITE INVESTIGATION.
. . .
. . .15
TESTHOLE SOIL BORINGS AND FIELD INVESTIGATION. . . . . . . 16
DRILLING METHODS. . .
· . ..
. .. . . . . . . . . .16
FIELD SAMPLING GUIDELINES. . . . . .
. . . .
· . .
. . 16
TESTHOLE BORING CONTAINMENT AND ABANDONMENT.
. 20
FIELD INVESTIGATION RESULTS
. . . . . . . . . . . . . .21
LABORATORY ANALYTICAL RESULTS. . . . . . . . . . . . . . . 23
ENGINEERS NOTE. . . . . . . . . . . . . . . . . . . . . . .26
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TABLE OF CONTENTS
(CONTINUED)
FIGURES
FIGURE 1 VICINITY MAP
FIGURE 2 ASSESSORS PARCEL MAP
FIGURE 3 TESTHOLE BORING SITE
PLAN
FIGURE 4 SOIL PROFILE AND
PETROLEUM PLUKE OF
CROSS SECTION A-A'
FIGURE S
TESTHOLE BORING SITE
PLAN
APPENDIX A
TEST BORING LOG LEGEND
A1
UNIFIED SOIL CLASSIFICATION SYSTEM
A2
SUMMARY OF HNU 101 PHOTOIONIZATION
ANALYZER
A3 - A4
BORING LOGS
AS - A14
APPENDIX B
SUMMARY OF LABORATORY ANALYSIS B1
(7-9-90 AND 7-10-90)
CHAIN OF CUSTODY RECORD (7-9-90) B2 - B3
CHAIN OF CUSTODY RECORD (7-10-90) B4
LABORATORY ANALYSIS (7-9-90) BS - B10
LABORATORY ANALYSIS (7-10-90) Bl1 - Bl9
QUALITY CONTROL DATA (7-9&10-90) B20 - B26
tit
tit
TABLE OF CONTENTS
(CONTINUED)
SUMMARY OF LABORATORY ANALYSIS B27
(11-6 AND 11-7-90)
CHAIN OF CUSTODY RECORD (11-6-90) B28
CHAIN OF CUSTODY RECORD (11-7-90 ) B29
ANALYTICAL RESULTS (11-6-90) B30 - B36
ANALYTICAL RESULTS (11-7-90) B37 - B43
QA RESULTS B44
APPENDIX C
(SITE HISTORY INFORMATION)
RESOURCE MANAGEMENT AGENCY C1
CORRESPONDENCE (MAY 7, 1990)
RESOURCE MANAGEMENT AGENCY C2
CORRESPONDENCE (JUNE 15, 1990)
LOCATION MAP C3
LOCATION OF PREVIOUS UNDERGROUND TANKS C4
QUALITY CONTROL DATA
C5 - C7
C8
C9 - C24
C25 - C27
C28
C29
C30
C31 - C32
CHAIN OF CUSTODY RECORD (11-1-89)
MAP OF PREVIOUS TANK
REMOVAL AND SOIL SAMPLE LOCATIONS
LABORATORY ANALYSIS OF SOIL SAMPLES
(11-1-89)
RECOURSE MANAGEMENT AGENCY
UNIFORM HAZARDOUS WASTE MANIFEST
UNDERGROUND TANK DISPOSITION
TRACKING RECORD
HAZARDOUS WASTE MANIFEST
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111-90 A.S.A
FINDINGS
The findings that follow are a result of the field investigation
and Laboratory analyses conducted at the site on July 9 and 10,
1990 and November 6 and 7, 1990.
A.
~ield Investigation (APPENDIX A)
/1.
The site lithology is comprised primarily of moist sands,
silty sands and silts from ground surface to a depth of
approximately 82 feet. Soils from a depth of
approximately 82 feet to 120 feet, the maximum depth
explored, are comprised primarily of sandy silts, sandy
clays and clayey sands interbedded with sands of fine to
very coarse grains.
2. Petroleum constituents were detected in testholes B2 and
B3 by field screening methods. Odors were detected in
testhole B2 starting at a depth of 30.5 feet.
3. Soil discoloration associated with petroleum odor was
noted at testhole B3 at 4 feet, and B2 between 26 and
30.5 feet just prior to odors being detected. 'Odors
continued in testho1es B2 and B3.to the maximum depths
explored.
4. HNU 101 Photoionization (PI) meter readings were highest
(approximately 200-320 ppm.) in boring B3 from 10 feet to
81.5 feet, the maximum depth explored. Boring B2, B3A
and B4 measured 0 to 230 ppm at varying depths.
B. Laboratory Analyses of Selected Samples (APPENDIX B)
1. Chemical analyses of soil samples collected during the
November 1 to 9, 1989 tank removal project resulted in
high levels of total petroleum hydrocarbons (TPH) ranging
from 1719.31 ppm in soil sample P9 to 8843.63 ppm in soil
sample P6. Benzene levels ranged from 2.4 ppm in soil
sample P9 to 58.81 in soil sample P6.
1
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111-90 A.S.A
2. Chemical analyses of soil samples collec~ed during ~he
field inves~igation of July 9 and 10, 1990 verified the
presence of petroleum cons~i~uents. TPH values of 4200
ppm (B3 a~ 31.5 feet), 2400 ppm (B3 a~ 51.5 feet), 4,700
ppm (B3 at 81.5 feet), and 5.2 ppm (B2 a~ 51.5 feet) were
detected.
3. Test results from the west lateral boring B4 resulted in
three non detectable levels of petroleum constituents
from 110 to 120 feet.
4. Organic lead and Ethylene dibromide (EDB) were not
detectable in the two samples tested for these chemicals.
).
CONCLUSIONS
1.
Petroleum constituents of Benzene, Toluene, Xylene,
Ethybenzenze (BTX&E) and Total Petroleum Hydrocarbons
(TPH) have impacted the soil a~ the subject si~e.
2.
A plume of petroleum cons~ituents in soil has been
partial 1 y defined. Non detectabl e laboratory resul ~s
indica~ed that the plume does not extend west of B4
beyond a vertical depth of 110 fee~, wi~h minor
detectable levels above 110 feet. Laboratory results of
the northwest boring B3A indicated that minor detectable
levels exist to 120 fee~, the maximum dep~h explored.
Boring B2 located south of B3A did not detect levels
above 26 feet, but minor levels were detected from 36.5
feet to 51.5 feet. Laboratory results and field findings
do not precisely define the plume exten~ to the north,
south or east.
The ver~ical extent of the plume is not defined. However
vertical variations in petroleum constituent have been
identified. Laboratory results indicated high
constituent levels at boring B3 from 11.5 to 81.5 feet.
Soils encountered were predominately fine to coarse
grained sands. Laboratory results of the boring B3A soil
samples, from a depth of 90 to 120 feet, indicated minor
detectable levels. Soils encountered were comprised of
sandy s i 1 ts, sandy c lays and clayey sands with
interbedded coarse grained sands. These resul~s seem to
indicate that petroleum constituent were concentrated
above 90 feet with 1 ight 1 evel s migrating to deeper
depths.
4.
Ground water was not encoun~ered in the borings.
2
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111-90 A.S.A
SCOPE OF WORK
The scope of work for the investigation included the following
tasks:
1. Researching geological soils maps, seismic maps, water
supply maps and reports (APPENDIX C).
2. Drilling 4 exploratory borings in the vicinity of the
removed gasoline tanks and fuel island (See FIGURE 3 ).
3. Visually classifying and continuously logging substrata
encountered at each testhole boring location (APPENDIX
A) .
4. Collecting soil samples at 5 foot intervals and preparing
them for laboratory testing.
5. Field screening soi I samples with HNU PI 101 meter
(APPENDIX A).
6. Conducting laboratory tests on selected soi 1 samples
collected from testhole borings (APPENDIX B).
7. Analyzing and interpreting field and laboratory test
results.
SITE DESCRIPTION:
The subject property formerly operated as Pence Automated Fuels i~
located at 901 E. 19th Street also known as 901 E. Truxtun Ave,
Bakersfield, California. The site is located east of Beale Avenue,
between East Truxtun Avenue and East 18th street. The Assessor's
Parcel Number is 017-160-07, situated in Section 29, Township 29
South, Range 28 East, Mount Diablo Baseline and Meridian. The
owner is Pence Petroleum Company. (FIGURE 2)
3
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111-90 A.S.A
SITE HISTORY:
The subject site was purchased by Pence Petroleum Company in 1986.
Ownership of the site pri0I:_ to 1986 was held by Davies Oil,
_.--------------------~~. ."-._---~. -----_..__._~-----_._- --.---- .~-_._._-_..----
/
Bakersfield, CA. Information regarding specific site history was
unavailable.
On November 1, 1989 three underground storage tanks (1-6000 gallon
regular gasoline, 1-6,000 gallon premium unleaded gasoline, 1-
10,000 gallon unleaded gasoline) and one fuel island were excavated
and removed from the subject property. Soil samples were obtained
from two and six feet below the bottom of the tanks and fuel
islands by MP Vacuum of Bakersfield. (FIGURE 3)
The soi 1 samples were analyzed by BC Laboratories Inc. for
Benzene, Toluene, Xylene, Ethylbenzene (BTX&E) and Total Petroleum
Hydrocarbons (TPH). TABLE I summarizes the laboratory analytical
results of the soil samples obtained November 1, 1990.
4
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111-90 A.S.A
TABLE I
SUMMARY OF LABORATORY ANALYSES
TANKS AND FUEL ISLAND REMOVAL
NOVEMBER 1.1989
(Soil in ppm)
---------'
SIDL! LOCAtIOI BEIZDE TOLOOI IYLUI mYL- TOTAL pmOLIU!
BDZDE BTDIOCWOIS
P1 - 2' .28 4.17 42.98 5.20 534.09
P2 - 6' HD .38 8.51 .84 127.88
P3 - 2' HD ID .84 .09 47.60
P4 - 6' HD HD .24 HD 27.90
P5 - 2' 23.81 ~ 350.69 888.24 88.56 v 4550.10 /
P6 - 6' 58.81 ~ 588.24 1543.82 213.32 V 8843.63 v/
P7 - 2' ID HD ID ID ID
P8 - 6' HD HD .72 .05 31. 52
P9 - 2' 2. 40 ~ 48.95 122.26 14.10 :----" 1719.31 ¡,-/
P10 - 6' 10.63 (.../- 136.03 630.24 53.35 ¿,--- 3491.08 t-/'
P11 - 2' liD .10 .33 .02 6.93
P12 - 6' liD .03 .16 RD RD
P13 - 2' HD HD .11 RD 11.85
PH - 6' HD ID ID HD HD
P15 - 2' HD ID HD ID HD
P16 - 6' HD .54 2.32 .26 65.55
TEST IŒTHOD:
TPH for gasoline by D.O.H.S. L.U.Y.T. method. Individual constituents by EPA Kethod 8020
IIIHII!UK
REPORTIHG
LEVELS:
BTX&E 0.03 ug\g
TPH 5.0 ug\g
5
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111-90 A.S.A
The results of the laboratory analyses indicated the presence of
petroleum constituents concentrated at P5, P6, P9 and P10. Benzene
levels ranged from 2.4 ppm in soil sample P9 to 58.81 ppm in soil
sample P6. TPH ranged from 1719.31 ppm in soil sample P9 to
8843.63 ppm in soil sample P6. Laboratory analyses of soil samples
P1, P2, P3, P4, P8, P1l, P12, P13 and P16 detected varying levels
of the petroleùm constituents, while P7, P14 and P15 levels were
non detectable (APPENDIX B).
As a result of the detection of petroleum constituents in the soil
samples, Pence Petroleum Company was required to provide a site
characterization work plan proposal pursuant to a March 2, 1990
request from the Resources Management Agency, Department of
Environmental Services, County of Kern.
Pursuant to the request, Pence Petroleum Company contracted
Associated Soils Analysis for the site characterization activities.
On April 30, 1990 a workplan proposal was submitted to County of
Kern, Department of Environmental Health Services for review. On
May 7, 1990 Flora Darling, Hazardous Materials Specialist, County
of Kern, requested an addendum to the workplan inclusive of
changing the proposed borehole location and decreasing the amount
of boreholes from four to three (APPENDIX C).
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111-90 A.S.A
On June 6, 1990 a revised Work Health and Safety Plan was prepared
and submitted to the County of Kern for review. The workplan was
accepted for the site characterization by the County of Kern on
June 15, 1990 (APPENDIX C). Commencement of the site charac-
terization began on July 9 and 10, with the drilling of only two
boreholes
due to
conditions
encountered during dri 11 ing.
Subsequently, two additional boreholes were drilled on November 6
and 7, 1990 to further characterize the site.
SITE CONDITIONS
1. The subject property is located east of Beale Avenue,
between East Truxtun Avenue and East 18th Street.
2. The subject property is vacant. A drive way and parking
area east of the property separates the site from a metal
commercial building divided into multi purpose
businesses. The businesses were occupied at the time of
the field investigation.
3. The subject property is currently unpaved.
4. The site is surrounded on the south, along 18th Street by
residences, west along Beale Avenue by grain silos, north
along East Truxtun Avenue by a vacant lot, a single
family residence and commercial buildings, and east by a
commercial building.
5. The site is supplied by commercial utilities, sewer and
water lines.
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111-90 A.5.A
SOIL LITHOLOGY
The soil types encountered at the site testhole borings consisted
primarily of most sands, silty sands and silts to a depth of
approximately 82 feet. An import sand backfill was encountered in
the areas of the removed fuel tanks and fuel island. Soils from a
depth of approximately 82 to 120 feet, the maximum depth explored,
are comprised primarily of sandy silts, sandy clays and clayey
sands with interbedded sands. Cementation of soils was observed
from approximately 65 feet to 105 feet and again from 116 feet to
120 feet. Cemented sand pods were encountered in boring B4 at 84
feet to 88 feet and at 116 feet to 120 feet. Figure 4 details
the location of the borings.
A total of four soil boring were drilled. Boring B3 and B2 were
drilled July 9 and 10, 1990 respectively. Boring B4 and B3A were
drilled November 6 and 7, 1990 respectively.
Soi 1 s encountered in testhole boring B2 consisted primari ly of
moist sands with alternating stratas of sandy silts and silts.
Soil grains varied from very fine to very coarse. Soil
discoloration was observed at 26 to 30.5 feet with odors detectable
from approximately 30 to 51.5. Borehole B2 was terminated at 51.5
feet due to difficulties encountered during drilling.
8
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111-90 A.S.A
Soils encountered in testhole boring B3 were similar in composition
to B2. Soil discoloration was observed at four feet and odors were
detectable throughout the entire depth of the boring. Light soil
cementation was detected at 70 to 76 feet. Boring B3 was
terminated at 81.5 feet due to auger refusal.
Soils encountered in testhole boring B3A between the depths of 81.5
to 120 feet consisted of alternating strata of sandy clays, clayey
sands, sandy s i 1 ts, s i 1 ty sands interbedded with fine to very
coarse sand grains. Slight soil cementation was observed between
94 to 95 feet, and well indurated clays and partially cemented
sands were observed between 116 to 120 feet. The soil boring was
terminated at 120 feet and ground water was not encountered. Soils
above 81.5 feet were not classified due to sluffing of soils within
the borehole.
Soils from boring B4 were classified between the depths of 61.5 to
120 feet. Soils encountered consisted of alternating stratas of
silty sands, clayey sands, sandy silts, sandy clays and sands.
Soil grains varied from very fine to very coarse. Soil cementation
was observed the entire depth on the boring. Cemented sand pods
were observed between the depths of 84 to 88 feet.
In general soi Is consisted of sands ranging from fine to very
coarse grains to a depth of approximately 75 feet. Soils below
9
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111-90 A.S.A
this depth were comprised of alternating sandy clays to clayey
sands, partially to well cemented and ranging from fine to very
coarse sand grains.
The following general description and Unified Classification System
symbols were used throughout the boring logs.
SW
Sand: Varying shades of yellowish brown, moist,
fine to very coarse, angular to subangular grains,
well graded, medium to very dense
SF
Sand: Varying shades of yellowish brown to light
olive grey, moist, fine to very coarse, angular to
subangular grains, poorly graded, dense, light
cementation
SM
Silty sand: reddish brown, moist, medium to coarse
subangular sand grains, slightly cemented
SM\ML
Sandy silt: Varying shades of yellowish brown,
moist to very moist, very fine to coarse,
subrounded to subangular grains, loose to medium
ML
Silt: Yellowish brown to reddish brown, moist, very
fine grain, low to medium plasticity, cementation
SC
Clayey
moist,
sand: Yellowish brown to reddish
fine to very cohesive, cementation
brown,
CL
Sandy clay: brownish yellow to reddish brown,
moist, medium to very coarse angular to subangular
sand grains, low to medium cohesion, cemented
CL
Clay: reddish brown,
plasticity
moist,
low to medium
See the attached Testhole Boring Logs for detailed descriptions of
subsurface soils (APPENDIX A). Cross section of the soil strata is
presented in FIGURE 4.
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111-90 A.S.A
GEOLOGIC CONDITIONS
The study area is located in the southeast end of the San Joaquin
Valley in a predominately urban area. The San Joaquin Valley is
bounded by the Sierra Nevada Mountains on the east, Coastal Range
on the west, and thg Tehachapi and San Emigdo Mountains on the
south. The San Joaquin Valley is joined on the north by the
Sacramento Valley which is the northern extension of the Central
Valley.
Geologically the San Joaquin Valley is a structural trough filled
with continental and marine sedimentary deposits. Bakersfield is
built on quaternary alluvial plains and fans of the Kern River
which overlie tertiary continental deposits. These sedimentary
layers are comprised of interbedded gravel,. sand, silt and clay.
Crystalline basement rock outcrops approximately 12 miles to the
east of Bakersfield.
The Kern County Soil Survey classified the site area as Urban Lànd
soil which is not described in the soil survey. Soils in this area
are similar to Kimberlina fine sandy loam, Cajon loamy sand and
Wasco sandy loam. Permeability ranges from moderate to rapid. The
topography of the land surface associated with these soils has 0 to
2% slopes.
11
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111-90 A.S.A
Kern County is classified as Zone IV seismic area of the Uniform
Bui lding Code.
The nearest active faults are the San Andreas,
Owens Valley, and White Wolf Faults at 40 miles, 105 miles and 20
miles, respectively, from Bakersfield.
GROUND WATER CONDITIONS
Ground Water occurs under both confined and unconfined conditions
in the San Joaquin Valley. The degree of confinement varies widely
because of the heterogeneity (variabi I i ty) of the continental
deposits. The body of fresh ground water in the San Joaquin Valley
is contained in principally unconsolidated continental deposits of
Pliocene to Holocene Age (0-7 million years old) that extend to
depths ranging from less than 100 feet to more than 3,500 feet.
Along the eastern boundary of the valley at shallow depths, the
base of fresh ground water occurs in more consolidated marine and
continental sedimentary rocks of Tertiary Age (2-65 million years
old).
The estimated depth to the regional groundwater aquifer in the
general vicinity of the site is approximately 185 to 200
feet
-
be I ow ground surface. Groundwater was encountered at approximate I y
187 feet below ground surface, on February 24, 1989, at 920 East
Truxtun Ave. I a property located north of the subj ect site.
Perched water is known to occur in Bakersfield.
However,
12
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111-90 A.S.A
hydrologist in the Kern County Water Agency are reinterpreting the
perched water situation in the Bakersfield area. The aquifer in
this area would best be described as semiconfined, according to
Water Agency personnel.
The nearest water wells in the area are located as follows:
WELL LOCATION
DEPTH TO WATER
Between Baker and Kern street
On Beale Avenue, north of California Blvd.
Between Tulare street and Kern street
184 feet
186 feet
200 feet
This information was provided by California Water Service on April
27, 1989. The regional groundwater is to the southwest, per
information furnished by the Kern County Water Agency (Tom
Halslebacher).
Groundwater in Kern County is pumped for agriculture, industri~l
uses (primarily oil field operations), and domestic use. Water
quality is fairly high in confined aquifers beneath the Corcoran
clay, but is of poor quality in unconfined aquifers above the
Corcoran clay.
13
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111-90 A.S.A
FIELD INVESTIGATION
I __
The field investigation consisted of drilling, logging and sampling
four (4) exploratory testhole borings in the vicinity of the
previously removed underground fuel tanks and fuel island on July
9 & 10, 1990 and November 6 & 7, 1990. Initially, three borings
were to be dri !led, as requested by the County of Kern, to
determine the presence and extent of petroleum constituents
associated with the removed fuel tanks, island and associated
piping. Observation and detection of odors associated with
petroleum constituents were encountered at high levels during the
drilling of the first two borings, B2 and B3. Borings B2 and B3
were terminated at 51.5 and 81.5 feet, respectively, due to
conditions encountered with dense soils and auger refusal. The
third boring, B1, was not drilled to eliminate the duplication of
sampling based on levels encountered in testhole boring B2 and B3
(FIGURE 3).
On November 6 & 7, 1990, two additional testhole borings, B3A and
B4, were drilled to further define the lateral and vertical extent
of petroleum contamination.
Due to soil conditions encountered
during the previous drilling, a Mobile B 80 mud rotary drilling
rig with a Christianson 94 mm wire core was utilized for the
testhole borings. Boring B3A was initiated on November 6, 1990,
but was terminated at a depth of approximately 40 feet due to a
14
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111-90 A.S.A
loss of fluid circulation in the loose sand backfill of the tank
excavation. The drilling rig was relocated and boring B4 was
drilled to a depth of 120 feet. On November 7, 1990, a 10 inch
auger was drilled into the previous B3A boring location to a depth
of 40 feet to serve as a conductor casing for the testho1e. A 6-
5/8 inch auger was then utilized to complete the boring to a depth
of 120 feet (FIGURE 3 ).
The soils at each of the exploratory testhole borings were visually
classified and continuously logged (APPENDIX A). Representative
soil from each soil location depth were field screened using a HNU
PI meter to determine the levels of petroleum constituent. Soil
samples were collected at 5 foot depth intervals starting at 5 feet
below ground level in borings B2 and B3, and terminating at 51.5
and 81.5 feet respectively. Soil samples in.boring B3A and B4 were
collected at 5 foot intervals, starting at 89.5 and 74.5 feet,
respectively, and terminating at 120 feet in depth.
PRIMARY SITE INVESTIGATION
Underground utilities were located and marked at the site by
Underground Services Alert (USA) prior to the drilling operations.
Testhole boring location were probed to a depth of four feet to
alleviate the possibility of damaging any underground utilities or
obstruction.
15
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111-90 A.S.A
TESTHOLE SOIL BORINGS AND FIELD SAMPLING GUIDELINES
DRILLING METHODS
A truck-mounted Mobile B-80 drill rig with 4 ~ inch inside diameter
hollow stem auger (AASHTO Designation T25177) and 2 inch split
spoon sampler was used to drill testhole borings B2 and B3. Due tc
soil conditions encountered drilling B2 and B3, a Mobile B 80 mue
rotary dri 11 ing rig with a Christianson 94 mm wire core waE
utilized to drill borehole B3A and B4. Mud used while drilling tc
a depth of 81.5 feet was flushed, barreled and replaced prior tc
continuing boreholes B3A and B4 to prevent the cross contaminatior
of petroleum constituents to soils of deeper depths. The drillinç
equipment was pre-cleaned by steam prior to and between eacr
borehole drilling. Drilling muds, soils and waste water producee
during drilling procedures were contained in 55 gallon 17H stee:
drums removed from the subject site by MP Vacuum Truck Service Inc,
on December 13, 1990.
FIELD SOIL SAMPLING AND LOGGING PROCEDURES
Undisturbed soil samples were collected at five (5) foot intervalE
from each of the testhole borings. Personnel involved ir
collecting the soil samples and classifying the soil were under the
16
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111-90 A.S.A
direct supervision of the project engineer and fully experienced in
the field of environmental and geotechnical drilling.
Soil samples from boreholes B2 and B3 were collected using a 2 inch
inside diameter by 18 inch long split spoon sampler. Three, 2 inch
outside diameter by 6 inch long brass tubes were inserted into the
sampler prior to use. After each soil sample was collected, the
sample tube from the bottom of the sampler was immediately sealed
in the field by placing teflon covers over the open ends of the
tube and covering the ends with plastic caps. An adhesive tape was
placed around the plastic caps to ensure that the cap was secured
and an airtight seal was maintained.
The soil from the middle sampler tube or the sampler shoe was
placed in foil covered glass container depending on odors
encountered and other field conditions. After approximately ~
hour, a field reading was taken by inserting the HNU 101 PI meter
probe through the foil cover. The field readings were recorded and
used to determine the levels of fuel contamination encountered in
the testhole and to assist in selecting the soil samples to be
analyzed by the laboratory (APPENDIX A).
Soils encountered from the sampler shoe, ends of the bottom sample
tube and remaining 2 sample tubes were used to log and classify
soils in accordance with the Unified Soil Classification System
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111-90 A.S.A
during drilling operations (APPENDIX A). Standard penetration
blow counts were recorded during soi 1 sampl ing. The standard
penetration tests consisted of using a 140 pound drop hammer
fall ing a distance of 30 inches to drive the sampler into the
undisturbed soil and recording the number of blow counts required
to drive the sampler each 6 inch increments.
Soil samples from boreholes B3A and B4 were collected using a
Christianson 94 mm wire core sampler obtained in five foot
increments. Soil samples were obtained in 2 inch outside diameter
by 6 inch long brass tubes from the bottom of the core sampler.
After each soil sample was collected, the sample tube was
immediately sealed in the field by placing teflon covers over the
ends of the tube and covering the ends with plastic caps. An
adhesive tape was placed around the plastic caps to ensure that the
cap was secured and an airtight seal was maintained. Field reading
procedures for odors and field conditions were similar to
techniques used for boreholes B2 and B3. Soils encountered from
the sampler shoe, ends of the bottom sample tube and remaining soil
within the core sampler were used to log and classify soil in
accordance with the Unified Soil Classification System during
drilling operations (APPENDIX A).
Lithologic descriptions that were included in the borehole log
were: Soil type, color, moisture description, grain size and
18
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111-90 A.S.A
shape, compactness or hardness, cohesiveness, grading, extent of
weathering or fracturing, and sample odor. Drilling rates,
standard penetration tests, HNU PI Meter readings, sample numbers
and percent recovery of the samples were also noted in the borehole
field log (APPENDIX A).
The split spoon sampler, Christianson 94 mm well core sampler and
sample tubes were precleaned by steam and Trisodium Phosphate (TSP)
detergent wash and distilled water prior to use and between each
sample interval. Equipment was stored in clean plastic bags when
not in use.
All soil samples were labeled appropriately in the field. Labels
included: Sample location, depth, date, time, job number, and
field identification number. Samples were placed immediately in an
insulated storage container cooled by blue ice. The temperature
inside the storage container was maintained at 4 degrees
Celsiusj39.2 degrees Fahrenheit and monitored with a thermometer to
ensure that the temperature remained constant.
A chain of custody record (APPENDIX B) accompanied the samples.
Chain of custody records include: Sample location, depth, date,
time, job number, field identification number, temperature of the
soil sample container, analysis required and personnel collecting
samples. A field log book was maintained containing essentially
19
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111-90 A.S.A
the same information as the chain of custody record with the
addition of any field observations about the sample.
Samples collected on July 9 & 10, 1990 were delivered to B.C
Laboratories, Inc. within 24 hours of collection. Samples
collected November 6 & 7, 1990 were delivered to Beckman
Environmental Laboratory, within 48 hours of collection. Both
laboratories are State Certified hazardous waste testing
laboratories. Temperature of at least 4 degrees Celsius was
maintained in the insulated storage container prior to and during
transportation of the samples to the laboratory. Once the samples
were delivered to the laboratory, the chain of custody was signed
by the laboratory indicating that the possession of the samples had
changed. The soil samples were analyzed within the required 14 day
period following collection.
TESTHOLE BORING CONTAINMENT AND ABANDONMENT
The soil cuttings, and mud generated from the boreholes were placed
in 55 gallon 17 H steel drums. The drums were removed from the
subject site by MP Vacuum Truck Services Inc., on December 13, 1990
(APPENDIX C).
After dri 11 ing was compl eted I testho 1 e borings B2 and B3 were
backfilled with Class B concrete. Borings B3A and B4 were
20
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':\
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111-90 A.S.A
backfilled with 3/8 inch bentonite pellets.
The boreholes were
backfilled from the bottom of the borehole to the ground surface.
FIELD INVESTIGATION RESULTS
The field investigation included soil classification and logging,
petroleum odor detection, and HNU 101 Photoionization meter
measurements. The soil classification results are described in the
section Soil Litholoqy and are graphically presented in Figure 4.
The HNU PI meter was used to record levels of fuel contamination
encountered in the testhole and to assist in selecting the soil
samples to be analyzed by the laboratory
(APPENDIX A ).
The
investigation resul ts invo 1 ving petro 1 eum constituent detection are
described below.
Testhole borings B2 and B3 were drilled on July 9 & 10, 1990.
Testhole borings B3A and B4 were drilled on November 6 & 7, 1990.
The testholes with the highest HNU readings were B2 and B3 which
coincide with the laboratory analytical results.
Testhole boring B2 was located at the north central half of the
excavated 6000 gallon regular leaded fuel tank. Petroleum odors in
B2 were detectable beginning at approximately 30 feet and continued
through the depth of the boring. HNU readings, taken every 5 feet,
ranged from 18 ppm at 30 feet and increased to 260 ppm at 51.5
21
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111-90 A.5.A
feet. Petroleum odors were also detected from 30 to 51.5 feet.
Soil discoloration was noted at approximately 30 feet below ground
1 eve 1 .
Testhole boring B3 was located 5 feet east of the excavated 10,000
gallon unleaded fuel tank and approximately 5 feet north of the
prior fuel island. Petroleum odors were encountered throughout the
entire depth of boring B3. HNU readings, taken every 5 feet,
ranged from 70 ppm at approximately 5 feet and increased to 320 ppm
at 81.5 feet. HNU reading decreased slightly between 55 to 75 feet
where sandy soils were encountered. Soils described as silt were
encountered above 55 feet and below 75 feet. Soil discoloration
was noted at approximately 4 feet below ground level.
HNU readings of testhole boring B3A began at 89 feet with detection
of 50 ppm and decreased to 0 ppm at 120 feet, odors were not
detected. Boring B3A was located 5 feet west of B3 and within the
backfill of the 10,000 gallon underground tank excavation.
Testhole boring B4 was located at the south west corner of the
subject site. HNU readings of the testhole began at 62 feet with
detection of 150 ppm and decreased to 7 ppm at 120 feet, odors were
not detected.
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111-90 A.B.A
LABORATORY ANALYTICAL RESULTS
Soil samples collected from testholes B2 and B3 on July 9 & 10,
1990 were transported to B.C. Laboratories, Inc. of Bakersfield,
CA. Soils samples collected from testholes B3A and B4 on November
6 & 7, 1990 were transported to Beckman Environmental Laboratory,
Porterville, CA. Both laboratories are state Certified hazardous
waste testing facilities~
Selected samples collected from the borings were analyzed for the
following constituents:
BTX&E
TPH (gasoline and diesel)
EDB & DBCP
Organic Lead
EPA Method 8020/5030
D.O.H.S. L.U.F.T. Method
Modified Method AB 1803
State Draft
Analytical Laboratory results are summarized in Appendix B.
Details of the results are described on the laboratory reporting
forms (APPENDIX B).
LABORATORY RESULTS
November I, 1989 Tank and Fuel Island Removal Samples
Soil samples collected during the tank removal project were
analyzed at BC Laboratories, Inc., of Bakersfield, CA. The results
of the laboratory analysis indicated the presence of petroleum
constituents concentrated at PS, P6, P9 and P10. Benzene levels
ranged from 2.4 ppm in soil sample P9, to 58.81 ppm in soil sample
23
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111-90 A.S.A
P6. TPH ranged from 1719.31 ppm in soil sample P9 ~o 8843.63 ppm
in soil sample P6. Laboratory analyses of soil samples P1, P2, P3,
P4, P8, P11, P12, P13 and P16
detected varying levels of the
petroleum constituents, while P7, P14 and P15 soil sample results
were nondetectable.
July 9 & 10, 1990 and November 6 & 7, 1990 Field Investigation
Samples
Laboratory analytical results of the soil samples collected from
the site borings resulted in boring B3 having ~he highest values of
BTX & E and TPH from 11 feet to 81.5 feet, the maximum boring depth
explored due to solI conditions encountered.
TPH (diesel) was
detected in B3 at 71.5 feet and in B2 at 51.5 feet. Detec~ion of
TPH may result from past diesel fuel storage, dated
fue 1 or
organic matter.
Petroleum constituents in B2 were detected from 36.5 feet to 51.5
feet, the maximum depth explored due to 50i 1 conditions, which
coincided with detectable odors,
HNU readings and
soil
discoloration noted at the time of the borehole drilling. Organic
lead, EDB and DBCP were non-detectable in soil samples obtained
from B2 at 16.5 and 26.5 feet. BTX&E and TPH were detected in B3A
from 89.5 to 120 feet and in B4 from 74.5 to 104 feet. Soil
24
·-
.
111-90 A.S.A
samples obtained from 109.5 to 120 feet in B4 had no detectable
levels of petroleum constituents. No free standing groundwater was
encountered at 120 feet, the maximum depth explored at the subject
site.
25
.
.
111-90 A.S.A
ENGINEERS NOTE
This report has been prepared for the Pence Petroleum Company, as
it pertains to property located at 901 E. 19th street, Bakersfield,
California. The findings and conclusions rendered in this report
are opinions based on the field investigation and laboratory
testing of soil samples collected during this study. This report
does not reflect subsurface variations which may exist between
sampling points. These variations cannot be anticipated, nor could
they be entirely accounted for, in spite of exhaustive additional
testing. Nor should this report be regarded as a guarantee that no
further contamination, beyond that which could have been detected
within the scope of this investigation, is present beneath the said
property.
Undocumented, unauthorized releases of hazardous
material, the remains of which are not readi ly identifiable by
visual inspection and are of different chemical constituents, are
difficult and often impossible to detect within the scope of a
chemical specific investigation. All work has been performed in
accordance
with
generally
accepted
practices
.
in
geotechnical\environmental engineering, engineering geology, and
hydrogeology.
No other warranty, either express or implied, is
made.
26
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111-90 A.B.A
This opportunity to be of service is appreciated. Should you have
any questions or comments regarding this report, please contact
this office at your convenience.
t4J
Jr1\Ù-~
L-lnda A. Launer
Registered Environmental
Health Specialist
27
I'
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FIGURES
1- _~
FIGURE 1 VICINITY MAP
FIGURE 2 ASSESSORS PARCEL MAP
FIGURE 3 TESTHOLE BORING SITE
PLAN
FIGURE 4 SOIL PROFILE AND
PETROLEUM PLUME OF
CROSS SECTION A-AI
FIGURE 5 TESTHOLE BORING SITE
PLAN
.~Oll PROFllElvo PETROlEUI1 PlUI1E a'-ROSS SECTION A -A'
6JVIJ1I1l .}·UßFd'T 64
10 ·
--
20'
wi
.~¿~
8.38....¡·
T .22!H¡
x .18':1·
1PH .~;O
¡ì!l¡¡
ALL NO
ALL NO
62
B3A
B3
LOCATlON OF
REMOVED
FU8. TANKS
83.1
T49
X184
1PH 1800
ALL NO
8.29
T .49 )' ..
X.179
1PH 5.2
?
.:!iili:-'
844
T370
( X600
1PH 4700
8.061
T .069
X.022
1PH .54
8.008
T.023
X.018
1PH NO
87.0
T111PH 1.3
XNO ......
1PH NO ~~~ < 8 .01
.... T .042
B .041...· X .05
T .28 1PH .62
...::::::.:...... X.27
····::::¡:::::::::;i ? ":';:i:;:¡.i¡'i:¡ii:¡¡¡:¡:::':'¡;¡¡i¡i~~f~¡g¡'¡;'¡;¡;¡'¡i!iiii,i,¡,¡,¡ ?¡¡¡¡¡i¡¡;¡¡¡;¡:¡i¡,¡,¡¡i¡:'¡:':¡:¡iiii!¡¡;¡¡¡ii:::¡:¡:¡:i:¡:i:i!ii:!!:;i¡;¡::.':
SAND
ARE A NOT
LOGGED
LEGEND
.APPROXIMATE PLUME EXTENT OF HIGH
JI LEVEL PETROLEUM CONSTITUENTS
::: APPROXI MATE PLUME EXTENT OF LOW
¡¡- LEVEL PETROLEUM CONSTITUENTS
? AREA OF UNCERTAIN PLUME EXTENT
) AREA OF SAMPLE LOCATION
B BENZENE T TOULENE X XYLENE
TPH TOTAL PETROLEUM HYDROCARBONS
ND NON DETECTABLE
VALUES IN UG/G (PPM) FOR SOIL
FIGURE 4
SCALE
HORIZONTAL 1" = 20'
VERTICAL 1 " = 1 O'
501 L CLASSI FICATION LEGEND
SAND
'"
~~~ SiLTy.... CLAYEY
~~~ SAND SAND
'"
e
APPENDIX A
TEST BORING LOG LEGEND
UNIFIED SOIL CLASSIFICATION SYSTEM
SUMMARY OF HNU 101 PHOTOIONIZATION
ANALYZER
BORING LOGS
e
A1
A2
A3 - A4
AS - A14
e TEST BORING LOG LEGEN4IÞ
DEPTH SAJllPLES SOIL GROUP
0' tJNDIS,l'uH!:IJ:J) SPLIT SPOON SAMPLER 2~" or 2"
l' rnsmE DIAMETER or l~" INSIDE DIAHP:l'ER
STANDARD PENETRATION SAMPLER (SPLIT BARREL
2' ~)
Jt
4'
S' 00 IŒX:OVERY
6'
7'
a'
9'
10'
11' PARl'IAL RECOVERY
12'
13'
14'
FULL IŒX:OVERY
15'
16'
1 STANDARD PENEl'RATION BWW COtm'S FOR 6" DRIVE
17' 2 OF SAMPLER USDG 140 LES. DROP HAMMER WITH
3 30" DROP
la'
19' 8M s-oo:.L DI:s'l"lJlC:SW SAMPLE COLLECl'ED FROM
TESTHOLE curI'ImS
2O'
51. ,IARGE BCLK S1IMPLE COLLEX::TED FRœ: TæI'HOLE
lI' CC'IT!NGS
22' (250 ) HNU 101 PHCYl'OIONIZATION ANALyzER
23'
24' 11669 ,SOIL SAMPLE NUMBER
Al .
~
o
iì
=-
o
"
".
~
2-
~ ('\
[ª
9..;
;"è
õª.
cÒ ;
~ CI.
Unified Soii C1assifical System
Major divisions
~
o
õ;
Ò -
It ".
.. 0
- "
77
o 0
" =Q
%0"
0_0
. ..
__ a !!.
o ..
!:...
It ~
.. It
It :;'
!:.O
.. ,..
<I =
-0
"
J..
æ n
ëi" ëï
g g
" CI
o ëì
- ..
5" (1.._
t
Group
symbols
GW
GP
d
GM-_
GC
SW
SP
d
SM- _
SC
Ml
Typical nam.s
Well.graded gravels, gravel.sand
mi~tur.s, little or no fines
Poorly graded gravels, gravel-
sand milltures, little or no fines
Silty gravels, gravel-sand.silt mi~-
lures
u
Clayey grovels, gravel.sand-clay
midures
Well.graded sands, gravelly sands,
little or no fines
Poorly graded ,sands, gravelly
sands, little or no fines
Silty sands, sand.silt milltures
u
Clayey sands, sand.clay mi~tures
Inorganic silts and very fine sands,
rock flour, silty or clayey fine sands,
or clayey silts with slight plasticity
CL
Inorganic cloys of low to medium
plasticity, gravelly clays, sandy
clays, silty cloys, lean clays
iCC
«.It ~ ;-:--3 ;.
õ~=a~i
-~:r.~;-
~:rQnACI
'U0"ã 'U
~:'Ut;;.g~
n ~1 ¡:~ ~
~"...a..~æ.
:~5e~.g
:; :-õ~~
a.. =IQ 0
. O' $ ~
! 0 ã
" -"
_CI.
3" Q
It "
.. CI.
-CI
Õ Ò
!!. ..
'õ' !!.
" :;'
.. 0
~ :I
=CI
It ..
.. 0
=-f
o !!.
" ..
It
f2
..
...~
O'
o
IIIQQ
å.~ ~
It .
;,gQ
¡. ..-0
"'''''''
; ~.~
""'",
;;n."
SJ
~.
,r
G
CI.
c
!!.
-<
3
IT
g..
.
.
60
50
40
..
"
'U
.5
:f 30
ô
¡¡:
20
10
0
0
.
laboratory clanificatlon cril.ria
I
I c. = 0060 great., than 4 C, = (O~,J' between 1 and 3
10 010 X 060
..
;r
~
1'1
o
!¡
:;
.;
ëì
,r
It
CI.
Not meeting all gradation requirements for GW
Allerburg limits below "A"
line or P.L less than 4
Alterburg limits above "A"
line with P .1. greater than 7
Above "A" line with P.I. be.
tween 4 and 7 are' border-
line cases requi,ing use of
dual symbols
060 (0~)2
C. = 010 greater than 61 C, = 010 X 060 between 1 and 3
..
ii'
..
It
N'at meeting all gradation requirements for SW
Allerburg limits below "A"
line or P.I. less than 4
Allerburg limits above "A"
line with P.I. greater than 7
...;/(10"
.'
.' ,.
/
/v
1/
~ MlatOl
10 20 30 40 SO
CL
liquid limit
Plasticity Chart
-Divillon"a' GM Gftd SM orouPI infO lubdi"itionl of d and u are 'or roods and oi,fi.ld, onlY'. Subdivision i. bal.d Oft An.rbvr9 limit.,
luln. d u.ed when l.L. i. 28 or Ie.. and the P.I. i, Ó or len: the .uffia u u.ed wh." l.L. i, 9r.a,., than 28.
..Sorder'in. classifica.ion.. ",.d 10' ,oill po......n9 chotoc..ri,.ic. 01 two çraups. or. de.Îçnoleå by combinations 01 9rOUP '''''''0011.
fot ."ampt.1 G W..QC. w.n.trod.d 9ro....t..ond mia'ur. with clo., bind.,.
;r
'>
'U ~
~ a
2. 3. !-
_0
~. ~ ~
':"0 7
3 ,r
o It
C ..
a.
- ..
".0
o =:
" ..
~ n
ëi ¡-
S! g
" ..
a a
- "
5' e-
t
%
?
...
o
o
~
.. °
3 ;;
o _
=".
It 0
.. "
:r".
a 0
:I :;;e,n
%00
o -"
. "Q.
~o"
o
.. ..
f;
It :;'
~. ~
tI =:
_a
"
'>
'U '"
'U 0
0;; :I
.... ~ e-
~ 2: !
:: II 7
-a
3 5'
o It
C ..
a.
..
¡¡.
..
It
..
H'
~
;r
~
a
;
=-
a
"
".
~
2-
~ ~
-"
It It
a' '*
=0
"" 5'
~ '"
3 Q.
:9.
.. ;r
....
E
c
ã: ~
[ 0
f "
Q.
,..
:r ã
....
a ..
~
c",
S
:r
o
"
%
?
...
o
o
;=
z.'
c::
ä:
[ ~
~ a
"
It CI.
0 ,..
~ ã
:r ~
0
"
'"
S
~
ii'
..
~
_~x
o G cÕ
:::.a:r
.." -
ñ'~
OL
Organic sills and organic silty cloys
of law plasticity ,
MH
Inorganic silts, micaceous or diato-
maceous fine sandy 0' silty soils,
elastic silts
CH
Inorganic clays of high plasticity, fat
clays
OH
Organic clays of medium to high
plasticity, organic silts
Pt
Peat and ather highly organic sails
Limits plotting in hatched
zone with P.I. between 4 and
7 are borderline cases re-
quiring use of dual symbols.
~/
V
/
/
/
.
CH
OH and MH
60
80
90
100
70
A2
JOB LOCATION: Pence petro1eujlþ
901 East Truxtun Avenue
Bakersfield, CA
e
1.108 NO: 111-90
page 1 of 2
SUMMARY OF HNU 101 PHOTOIONlZATION ANALYZER
(Field Test Results)
(Soil in ppm)
BORING NO. DEPTH DIAL READ ING
B2 51-6~' 0
B2 10'-11~' 0
B2 15'-16~' 0
B2 20'-21~' 0
B2 251_26~' 0
B2 30'-31~' 18
B2 35'-36~' 100
B2 40'-41~' 200
B2 45'-46~' 240
B2 50'-51~' 260
B3 5'-6~' 70
B3 10' -11~' 260
B3 15'-16~' 200
B3 20'-21~' 200
B3 25'-26~' 210
B3 30'-31~' 310
B3 35'-36~' 310
B3 40'-41~' 320
B3 45'_46~' 320
B3 50'-51~' 305
B3 55'-56~' 280
B3 60'-61~' 200
B3 65'-66~' 195
B3 70'-71~' 195
B3 75'-76~' 200
B3 80' -81~' 320
B3A 85~'-90' 50
B3A 90~' -95' 30
B3A 95~'-I00' 10
B3A 100~' -105' 10
B3A 105~' -,110 I 15
B3A 110~' -115' 12
B3A 115~ I -120 I 0
A3
JOB LOCATION:
Pence petr.um
901 East Truxtun Avenue
Bakersfield, CA
.
SUMMARY OF HNU 101 PHOTOIONIZATION ANALYZER
(Field Test Results)
(Soil in ppm)
JOB NO: 111-90 '
page 2 of 2
BORING NO. DEPTH DIAL READING
B4 62' 150
B4 67' 100
B4 75 ' 110
- B4 80' 120
B4 85' 75
B4 90' 100
B4 95' 95
B4 100' 75
B4 lOS' 60
B4 110' 14
B4 llS' 7
B4 120' 7
A4
PROJECT
Pence petroleU~pany/.:::::::.,.\ .'
901 E. Truxtun Ave. r \,' , " '
Bakersfield, CA WAss,oclated S~l1s 'Analysis
, BORING LOG NUMBER 2 '."
-
. SOIL
DEPTH SAMPLES GRoµP
0'
5'
30'
10
30
34
:/F17
(0)
9
14
19
:/F18
(0)
7
7
19
:/F19
(0)
7
8
18
:/F20
(0)
8
8
12
:/F21
(0)
LOCATION
SOIL DESCRIPTION
SW,
0"-3'
Sand; light yellowish brown; fine to coarse
subangular grains; well gr~ded; occasional
1/2:" to 3/4" cobbles
JOB No. 111-90 .
DATE 7/10/90
BY Roman Racca
Page 1 of 2
ML
10~'-19' Silt; dark yellowish brown; low plasticity; very
fine to fine sand grains; medium
DRY
DENSITY
P.C.F.
ML 3'-10~', Sandy silt; dark yellowish brown; moist; low
plasticity; medium to coarsesubangular grains;
dense
~
HL
19'-26' Sand; light yellowish brown; moist; very fine
to fine sub rounded to subangu1argtains; medium
ML
26'-30~' Sand; light olive gray; moist; very fine to fine
sub rounded to subangular grains; discoloration;
medium
ELEVATION~
EQUIPMENT B-80' drill rig with 4!t;" 1.0. ·hollow stem auger and 2" sp~it barrel sampl~
Boring :/12
PROJECT
"
e _
Pence Petroleum Company,~~,
901 E. Truxtun Ave. { \ ',' .'
Bakersfield. CA _ Associated Soils Analysis
BORING LOG NUMBER 2 .
',' -
. SOIL
PEPTH SAMPLES GROUP
10
12
18
iÞ22
(18)
11'
24
36
if.23
(100)
15
40
50
iÞ24
(200)
SM
30~'-36~'
SW
36~'-41:
ML
41' -46'
8
7
28 SW 46'-51~'
#25
(240)
50' 12
30
30
1126
(260)
LOCATION
--...--.-..-
BorinR il2
,,_on ..J_':'"
JOB No. 111-90
, DATE 7/10/90
BY Roman Racca
,Page 2 of 2
SOIL DESCRIPTION
r
Silty sand; light olive gray; moist; medium
to very coarse subangu1ar grains; occasional
'3-6 mm granules; light 'petroleum odor;
discoloration of soil; dense
Sand; yellowish brown; moist; medium to very
coarse angular to subangu1ar grains; well graded
1íght petroleum odor; very dense
Silt; light yellowish brown; moist; light
mottling; light Fe-Ox staining; low to medium
plasticity; difficult drilling; petroleum
odor; small percentage of inter layered very
fine to fine sub rounded to subangular sand;
medium to dense
Sand; yellowish brown; moist; fine to very
~se subangu1ar to angular grains;
intermixed 2-4 mm granules; strong petroleum
odor; hard drilling; dense
Terminated drilling at 51~'
No free standing groundwater encountered.
DRY
DENSITY
p.c.F.
-- -
n~"\..
/.1...." T T\
}on1·1n... ot'øm ::I11aøTq ::Inri 7" ~1}lit barrel sampler A6
ELEVATION _
PROJECT Pence petroleu~any /,,:::~..\ _
(\ ..
901 E.Truxtun Ave. ~ '
Bakersfield, CA ..., Associated Soils Analysis
. SOIL
DEPTH SAMP~~S GROUP
0'
3D'
11
13
12
#1
(70)
2
1 ML
1
112
(260)
15
18
22
113
(200)
13
12
12
#4
(200)
8
16
16
In5
(210)
SW
ML
0"-11'
11'-19'
19'-30'
LOCATION Boring 113
BORING LOG NUMBER 3 .
-
SOIL DESCRIPTION
Sand; light yellowish brown; moist; fine to
very coarse subangular grains; well graded;
petroleum odor and soil discoloration at,
4' ; occasional 1/2" to 3/4" cobbles;
medium
(
Sandy silt; dark yellowish brown; moist; low
plasticity; medium to coarse subangular
grains; petroleum odor; loose
JOB No. 111-90
DATE 7/9/90
BY Roman Racca
Page 1 of ~
0/0
DRY·
DENSITY
P.C.F.
Sand; dark yellowish brown; very moist; very
fine to fine subrounded to subangular grains;
petroleum odor; medium.
ELEVATION~
EQUIPMENT B-80 drill rig with 4!t;"I.D. hoHow stem augers and 2" split barrel sampler A7
PRO.JECT Pence petrole~any ,'''.:::::.:..\ .A
" , \ ..
901 E. Truxtun ve. ~ A' d S 1 A 1
Bakersfield, CA ~ ssoc1ate 01 s na ysts
JOB No. -111-90
DATE 7/9/90
BY Roman Racca
BORING LOG NUMBER -1.- -
Page 2 of 3
. SOIL
DEPTH SAMPLES GROUP
SOIL DESCRIPTIDN
0/0
DRY
DENSITY
P. C.F.
8M/ 30'-40'
ML
Silty sand; dark yellowish brown; moist; medium
to coarse subangular grains; petroleum odor;
occasional 4-6 rom subangular pebbles; medium
to dènse
l2
17
18
116:;
(310)
14
22
23 ..
In
(310)
SW
40'-40~' Sand; yellowish brown; moist; medium to very
coarse angular to subangular grains; well,
graded; petroleum odor; dense
12
19
30
118
(320 )
ML
40~'-55' Silt; yellowish brown; moist; light mottling
low to medium
ML 55'-65' Sand; light yellowish brown; moist; very fine to
fine subangular grains; petroleum odor;
medium to dense
10
14
20
1110
(280)
, LOCATION Boring 113
ELEVATION _
EQUIPMENT B-80 drill rig with 4~"I.D. hollow stem augers and' 2" split barrel sampler A8
PRO.ÆCT Pence petro1eu~pan~ /.:::.:;.:..'.....\ e '
901 E. Truxtun ve. ~ Associated Salls Analysis
Bakersfield, CA ......,.
. SOIL
DEPTH SAMPLES GROUP
12
25
25
fF12
(200)
SP
65'-70'
15
36
~ 32
fÞ13
(195)
13 SP 70 '-7,6'
35
35
fH4
(195 )
90'
15
36
32
fFI5
(200)
16
34
35
fFI6
(320 )
ML
76'-81~'
LOCATION Boring ff3
JOB No. 111-90
DATE 7/9/90
BY Roman Racca
BORING LOG NUMBER 3 .
'. -
Page 3 of 3
SOIL DESCRIPTION
Sand; yellowish brown; coarse to very coarse;
subangu1ar to angular; poorly graded; -
stro~g petroleum odor; dense
Sand; yellowish brown; moist to very moist;
fine subangu1ar grains; strong petroleum odor;
light cementation; thin silt inter layers;
dense
Silt; yellowish brown; moist; light mottling;
low to medium plasticity; petroleum odor; ,
dense
Terminated drilling at 81~'.
No free standing ground water encountered.
0/0
DRY
DENSITY
P.C.F.
. .
ELEVATION _
EQUIPMENT B-80 drill rig with 4!¡;"I.D. hollow stem augers and 2" split barrel sampler A9
PROJECT
P",n..", P",,,,.nl"'t1m r.nmpan~
901 E. Truxtun Av .
Bakersfield,' Ca. e ' Associated Soils A_YSis
JOB No. 111-90
DATE 11/7/90
BY Roman Racca
. SOIL
~TH SAMPLES GROUP
) ,
/111
(50)
/112
(30)
/113
(10)
/114
(10)
/115
(15)
LOCATION
SC
SC
.SW
ML
SM
SP
ML
B 3A
81~1-86'
86' -90 1 ,
90'-921
92'-94'
94'-95'
95'-96'
96' -100"
BORING LOG NUMBER ~
Page 1 of 2
SOIL DESCRIPTION
(
SANDY CLAY; reddish brown; moist; coarse-
very coarse angular sand grains; ~ery
c:ohesive; medium plasticity.
CLAYEY SAND; dark yellowish brown; moist;
fine-medium subangular-angu1ar grains;
occasional coarse and ve~y coarse angular
grains; minor fines; slightly cohesive;
predominent1y sand; intermixed 2-4mm granules.
SAND; light brownish yellow; moist; medium-
very coarse angular-subangular grains;
well graded.
SANDY SILT; brownish yellow; moist; very
fine-fine subrounded-subangular sand grai~s;
medium plasticity.
SILTY SANDS; reddish brown; moist; medium-
coarse subangular sand grains; slightly
cemented.
SAND; light olive gray; moist; fine-medium
subrounded grains; poorly graded.
SAND; brownish yellow; moist; very fine-
fine grains; low plasticity.
5' west of previous borin~ #3. drillPrt on 7-Q-QO
ELEVATION
EQUIPMENT Mobile B 80 with Christianson 94mm anrt mllrt rnr~,.y
AIO
1 \ ,",V 1;'" I
,¡.C,I.1\.,;.C
I ,SOIL
'. . nEPTH SAMPLES GROUP
iF16
(12)
in7
(0)
LOCA TION
SP
SC
.SP
SC
SC
r<.ru~<"", .,up.. A~sOclated Solls &IYSIS
JOB' No.
DATE
111-90
11/7/90
BY-'RomanRacca
BORING LOG NUMBER B 3A
Page 2 of 2
, SOIL DESCRIPTION
r
100'-102'
SAND; dark yellowish brown; moist; med-
very coarse subrounded-subangular grains;
2-4mm subangular-angular granules;
occasional 3/8"-1/2" subrounded pebbles.
102'-106'
CLAYEY SANDS; reddish brown; moist; medium-
very coarse subangular-angular sand grains;
low cohesion; slightly c~menied; intermixed
2-4mm granules; occasional 1/4"-1/2"
sub rounded pebbles.
106'.-116 '
SAND; light grayish yellow; moist; coarse-
very coarse angular-sub angular grains;
intermixed pods of very fine-fine grained
sand; abundant 2-4mm granules; poorly
graded; occasional 1/4"-1/2" angular-
subangular pebbles.
116'-118'
CLAYEY SANDS; light reddish brown; moist;
fine-coarse subangular sand grains; well
cemented.
118' -120 '
SANDY CLAY; light reddish brown; moist;
well cemented; very cohesive; calcium
carbonate stringers throughout.
Terminated dri11~ng at 120'
No Free Standing Groundwater Encountered
B 3A 5' west of previous borin¡ In. drilled on 7/9/90
EQUIPMENT _Mobile B-80 with Christianson 9'4mm and mud rotary
°/0
DRY
DENSITY
P.C.F.
ELEVATION
All
..
PROJECT
P@nc@ p@tro~mpa~y , 4IÞ
901 E. Truxtun Ave.
Bakersfield, Ca. . Associated -Soils Analysis
SOIL
DEPTH SAMPLES GROUP
65
70
75
80
85
90'
(150)
(loa)
(100)
1ft1
(nO)
in
(120 )
113
(75)
114
(loa)
LOCATION
EQUIPMENT
ML
SM
ML
ML
sc
ML
SM
6l~' -65'
65'-70'
70 I - 71 '
71'-73'
73'-74'
74'-82'
82'-84'
Boring 414
JOB No. 1l¡ -90
DATE 11/6/90
BY Roman Racca
BORING LOG NUMBER--:t...
Page 1 of 3
SOIL DESCRIPTION
SILT; brownish yellow; moist; flour silt; very
fine grain size; non-plastic; poor recovery
using core barrel sampler.
SILTY SAND; brownish yellow; moist; fine-med.
subangular grains; predominantly sand;
occasional 2-4 mm angular granules; irt~ermixed
cemented silts.
SILT: brownish yellow; moist; cemented;
occasional 2-4mm granules.
SAND; brownish yellow; moist; very fine sub-
rounded grains; slight cementattion.
CLAYEY SAND; reddish brown; moist; fine-v~iy.
coarse angular-subangular grains; occasional
2-4mm angular granules; slight cementation.
SILT; reddish brown; moist; low plasticity;
~cohesive; occasional intermixed 2-4mm
angular granules; moderate cementation.
SANDY SILT; yellowish brown; moist; medium-
coarse sub angular-angular grams; medium
,plasticity; inter fingered lenses of very coarse
angular sand grains and 6-8mm granules.
Mobile,B-80 with 94mm wire core drilling system.
T
0/0
DRY ,
DENSITY
P.C.F. '\
¡
I
¡ .
! I
I
!
;
I
I I
I
I
ELEVAT/ON~
Al2
. PROJECr Pence
P.""!.,,.. .pany a .
, " VASsociated SoUs .alY~ls
. SOIL
DEPTH SAMPLES GROUP
90'
I .
1
#5
(95)
I 1'95'
fF6
(75)
#7
(60)
fF8
(14)
IF9
E7)
no
(7)
EQUIPMe:NT
"
SC
SC
BC
SC
SC
,
84'-85'
85'-88'
88'-94'
. ~ . . .
94.' -96 '
96'-.105'
BORING LOG NUMBER-!::-
, SOIL DESCRIPTION
JOB No. . 111-90
DATE 11/6/90
BY Roman Racca
Page 2 of3
0/0
DRY
DENSITY
P.C.F.
(
SANDY: CLAY; reddish brown; moist; coarse-
very coarse, angular sand grains; low cohesion;
cemented sand pods intermixed.'
Mobile B-80 with 94mm wire core drilling system
Boring 4Þ4
: CLAYEY SAND; reddish brown; moist; fine-very
.coarse· angular-sub angular grains; predominantly
sand; minor fines; abundant ~-4mm granules;
podi of ¿emented sands. '
SAND V CLAY; brownish yellow; moist; coarse-
very coarse angular-sub:angular graïns; cemented;
occasional 2-4mm sub rounded granules; slightly
cohesive.
"
SANDY CLAY; same as above, '88' -94 'except
moderate cohesion and medium plasticity.
CLAY; light brownish yellow; moist; moderately
cohesive; occasional cementation and minor
sands intermixed.
, '
SP 105'-106', SAND; grayish yellow; moist; very fine-fine
sub rounded-sub angular grains; poorly graded.
ELEVATION
AI3
petrole'W:Pa~ ' _
. Associated Soils J\naJysls
JOB No. 111 -90
DATE 11/6/90
BY Roman Råcca
PROJECT
Pence
, SOIL
DEPTH SAMPLES GROUP
12~ ;.
~
BORING LOG NUMBER ' 4
-
SOIL DESCRIPTION
('
106'-109' CLAY; reddish brown; moist; low-medium
plasticity; very cohesive; occasional silt
'lenses.
CL
'-
~
SC 109' -112'
~
_i.....
I
SC
112' -116'
-
-
--
SC
116' -120'
-
¡...
-~
..
~
'-
'-
'-
-'--
t
!
- I
-
"-
~
!
:....
:
-
LOCATION
Boring 1,4
SANDY CLAY; . reddish brown; moist; medium-
very coarse angular7subangular sand grains;
low plasticity; slightly cohesive.
CLAYEV SAND; reddish brown; moist; medium-
very COarse angular-subangular sand grains,
occasional 2-4mm granules; slightly cohesive;
occasional 1/4"-3/4" diameter pebblès inter-
mixed.
CLAYEY SAND; same as above 112'-116' except
predominantly more sand; occasional intermixed
cemented sand pods.
Terminated drilling at 120'
No free standing groundwater encountered.
..."', ..r-...,....,.,.'
Mnnilp R-RO with 94mm wire core drilling svstem
Page 3 of 3
0/0
DRY
DENSITY
P.C.F.
,
- I
I
ELEVATION
41/.
ENVIRONMENTAL
4100 PIERCE RD.,
TPH DIESEL
Quality Control Data
PHONE 327-4911
CHEMICAL ANALYSIS
PETROLEVM
Consolidated Testing Laboratories
1055 W. Morton, #C
porterville, CA 93257
Attention: David Harris
TPH Spike ID:
Analysis Date:
Matrix:
units:
6263-3
24-Jul-90
soil
ug/g
Quality Control
for Lab Nos: 6016-10add'n
One sample in twenty is selected as a representative matrix which is
spiked. The percentage recovery (% Rec) of the spike is a relative
measure of the accuracy of the analysis. The comparison of the spike
with a duplicate spike is a measure of the relative precision of the
analysis. '
Constituent
Spike
% Rec
Dup
Spike
% Rec
Spike
RPD
--------------------------------------------------------------------
TPH Diesel
60
63
5
QC Comments:
B26
e e
JOB LOCATIOH: Pence Petroleum CO. JOBHO: 111-90
N.E. corner of Beale Ave. and' Truxtun Ave.
Bakersfield, CA
smmuy OF LABORATORY ANALYSIS
!ŒTHOD OF ANALYSIS - CALIFORNIA roBS LUFT J!AHUAL
(Sol1 in ppa)
Results from field investigation conducted on
11-6 and 11-7-90
TEST- TOTAL
BOLE SA!PLE ETHEL- TOTAL PETROLEmI
BORING I.D. * DEPTH BENZENE BENZENE TOLUENE XYLENES HYDROCARBONS
B4 1 74~- .078 .009 ND .023 ND
75'
B4 3 8~- .18 .19 .025 .057 .82
85'
B4 5 9~- .38 .05 .22 .18 2.0
95'
B4 7 104~- .3 .035 .13 .11 1.5
lOS'
B4 8 109~- ND ND ND ND ND
110'
B4 9 114~- ND ND ND ND ND
115'
B4 10 119~- ND ND ND ND NO
120'
B3A 11 89~- .061 .006 .069 .022 .54
90'
B3A 12 94~- .073 .062 .38 .31 2.2
95'
B3A 13 99~- .008 .006 .023 .018 ND
100'
B3A 14 10~- .032 .32 .17 .16 1.3
lOS'
B3A 15 109~- 7.0 ND 11 ND ND
110'
B3A 16 114~' .01 .01 .042 .05 .62
115'
B3A 17 119~- .041 .052 .28 .27 2
120'
DLR .0050 .0050 .0050 .0150 .5000
DLR = Detection Limit for Reporting
ND = Not Detected
Test Method for BTX&E/TPH(gas) = 5030/8020
B27
e
APPENDIX B
e
SUMMARY OF LABORATORY ANALYSIS Bl
(7-9-90 AND 7-10-90)
CHAIN OF CUSTODY RECORD (7-9-90) B2 - B3
CHAIN OF CUSTODY RECORD (7-10-90) B4
LABORATORY ANALYSIS (7-9-90) B5 - BI0
LABORATORY ANALYSIS (7-10-90) Bll - B19
QUALITY CONTROL DATA (7-9&10-90) B20 - B26
SUMMARY OF LABORATORY ANALYSIS B27
(11-6 AND 11-7-90)
CHAIN OF CUSTODY RECORD (11-6-90) B28
CHAIN OF CUSTODY RECORD (11-7-90) B29
ANALYTICAL RESULTS (11-6-90) B30 B36
ANALYTICAL RESULTS (11-7-90) B37 - B43
QA RESULTS B44
JOB LOCATION: Pence eroleum Company
901 E. Truxtun Avenue
Bakersfield, CA
e
JOB NO: 1741~90 CTL
111-90 ASA
SUMMARY OF LABORATORY ANALYSIS
METHOD OF ANALYSIS - CALIFORNIA DOHS LUFT MANUAL
(Soil in ppm)
Soil samples collected during field investigation of
July 9, and 10, 1990, by Consolidated Testing Labs., Inc.
I -- TEST TOTAL
I HOLE SAMPLE ETHYL TOTAL PETROLEUM ORGANIC
BORING IDfÞ DEPTH BENZENE TOLUENE BENZENE XYLENES HYDROCARBONS LEAD EDB
-- - -
B2 18 11' - ND ND ND ND ND
11~'
B2 19 16'- ND ND
16~'
B2 21 26'- ND ND ND ND ND ND ND
26~'
B2 23 36'- 0.013 0.028 ND .0178 ND
36~'
B2 26 51'- 0.29 0.49 0.030 0.179 5.2 (gas)
51~' 8 (diesel)
B3 2 111- 3.1 49 13 184 1800
11~'
B3 6 31'- 21 340 78 480 4200
31~'
B3 10 51' - 370 2000 400 2430 24000
51~'
B3 14 71 '- 340 1600 350 12080 18000 (gas)
7l~' 340 (diesel
B3 16 81'- 44 370 97 600 4700
81~'
ND= None Detected
Test Method: TPH by D.O.H.S. L.U.F.T. method.
Individual constituents by EPA method 5030/8020
Test Method: Organic Lead LUFT -Manual
Modified Method AB 1803
See individual test results for more details.
Bl
~
e e
CONSOllOATfO TfSTING lA80RATORŒS, INC.
SOILS lNVESTlGA TlONS
SOILS AND MA TERlALS TESTING
FIELD INSPECTION
CHAIN OF CUSTODY RECORD
rÄOJECT NO. 111-90
-
I ....~OJECT LOCA~rrON Pence Petroleum Company, 901 E. Truxtun, Bakersfield, CA
---ù\NSPORTED UY Truck
I C:OMMENTS
I TIIE1IMOMETER DEPTH OF
COLLECTOR'S TEMP. READING SAMPLE BELOW BORING ' DATE/TIME
~LE # BEFORE SAMPLING EXIST. GRADE NUMBER ANALYSIS REQUIRED SAMPLED
1 39° 6'-6~' B3 Hold 7/9/90 9:04
2 39° 11 ' - 11~ ' B3 BTX &E 7/9/90 9:14
TPH (gas)
'3 39° l6'-l6~' B3 Hold 7/9/90 9:31
, 4 39° 21' -2l~' B3 Hold 7/9/90 9:45
5 39° 26'-26~' B3 Hold 7/9/90 9:59
6 39° 31'-3l~' B3 BTX&E 7/9/90 10:17
TPH (gas)
, 7 39° 36'-36~' B3 Hold 7/9/90 10:36
8 39° 41' -41~' B3 Hold 7/9/90 10:59
I ) 39° 46'-46~' B3 Hold 7/9/90 11:13
CHAIN OF POSSESSION
~~ 4L <-d- -
SAMPLE COLLECTED RY
~. ~~~~
&v~ N~
SAMPLE RECEIVED BY
3.
CONSOLIDATED TESTING LABS., INC.
AFFILIATION
C,;;L,
AFFILIATION
fy-, lalo
AFFILIATION
7/111 0
DATE/TIME
31''2W
W /~¡)
ATE/TIME
-tIer Irð & -? 6è
DATE/TIME
l.
1055 W. Morton, Suite C, Porterville, CA 93257
(209) 781-0571
(209) 688-2925 * Tulare, CA
FAX (209) 782-8389
TEMP. OF ICE
CHEST AT LAB.
39°
B2
--_.-
~
e e
~ONSOllßATfD TfSTING lA80RATORlfS, IN~.
SOILS lNVESTIGA TIONS
SOILS AND MA TERIALS TESTING
FIELD INSPECTION
CHAIN OF CUSTODY RECORD
;'~';'OJECT NO. 111-90
?~OJECT LOCATION Pence Petroleum Company, 901 E. Truxtun, Bakersfield, CA
'-:ANSPORTED BY Truck
COMMENTS
THERMOMETER DUm OF
COLLECTOR'S TEMP. READING SAMPLE BELOW BORING DATE/TIME
: .MPLE # BEFORE SAMPLING EXIST. GRADE NUMBER ANALYSIS REQUIRED SAMPLED
39° 5lr-5l~r BTX&E
10 B3 TPH (gas) 7/9/90 11:32
Ll 39° 56r-56~' B3 Hold 7/9/90 11:53
12 39° 61r-61~' B3 Hold 7/9/90 12:09
...3 39° 66'-66~' B3 Hold 7/9/90 12:28
.4 71' -71~' BTX&E -TPH (gas) 7/9/90 1:09
39° B3 TPH (diesel) EPA 8015 1:09
15 39° 76'-76~' B3 Hold 7/9/90 1:57
.6 39° 81 r -81~' B3 BTX&E 7/9/90
TPH (gas) 2:43
CHAIN OF POSSESSION
1.
ú~ ~~--
S~,MPlE ~lLE~TED ~
S~~~
~/1;~ "Jú~
SAMPLE RECEIVED BY
CONSOLIDATED TESTING LABS., INC.
AFFILIATION
C..To L,
AFFILIATION
1JC Iffib S
AFFILIATION
7j¡)¡o Z: 43
DA TE/TU1E
/ . I,~
7/~/ tit) 3,¡/
'DA'TE/TII4E
¡/Q(Qú@3."à
DATE/TIME
2.
3.
1055 W. Morton, Suite C, Porterville, CA 93257
(209) 781-0571
(209) 688-2925 * Tulare, CA
FAX (209) 782-8389
TEMP. OF ICE
CHEST AT LAB.
39°
B3
~
- ' -
CONSOllUATfU TfSTING lABORATORŒS, INC.
SOILS INVESTIGA TIONS
SOILS AND MATERIALS TESTING
FIELD INSPECTION
CHAIN OF CUSTODY RECORD
~OJECT NO.
111-90
,?ROJECT LOCATION Pence Petroleum Company, 901 E. Truxtun Ave., Bakersfield. CA
tANS PORTED BY Truck
:OMMENTS
THERMOMETER DEPTH OF
.JLLECTOR 'S TEMP. READING SAMPLE BELOW BORING DATE/TIME
jAMPLE # BEFORE SAMPLING EXIST. GRADE NUMBER ANALYSIS REQUIRED SAMPLED
17 39° 61-6~' B2 Hold 7/10/90 8:08
39° i11-11~' BTX&E 8020/5030 7/10/90 8:20
18 B2 TPH (gas) .
Organic Lead 7/10/90
19 39° 16 -16~' B2 EDB 8:34
20 39° 21 -21~' B2 Hold 7/10/90 8:46
BTX&E - TPH (gas)
21 39° 261-26~ B2 Organic lead, EDB 7/10/90 8:58
22 39° 31 -31~' B2 Hold 7/10/90 9:20
23 39° 361_36~' B2 BTX&E - TPH (gas) 7/10/90 9:36
24 39° 41 ' -41~' B2 Hold 7/10/90 9:55
25 39° 461_46~' B2 Hold 7/10/90 10: 14
26 39° 511-51~ B2 BTX&E - TPH (gas) 7/10/90 11: 18
TPH (diesel)
CHAIN OF POSSESSION
1.~~~
SAMP~LEC~Y
/-.~.
SAMPLE RECEIVED" BY
CONSOLIDATED TESTING LABS., INC.
AFFILIATION
'Þ e~ ~~/è:-~
AFFILIATION
øl!o /~:"ð
DATE/TIME
¥~ /.2 -'53ø..
DATE/TII-tE .
2.
3.
AFFILIATION
DATE/TIME
SAMPLE RECEIVED BY
1055 W. Morton, Suite C, Porterville, CA 93257
(209) 781-0571
(209) 688-2925 * Tulare, CA
FAX (209) 782-8389
TEMP. OF ICE
CHEST AT LAB.
39°
:"
B4
ENVIRONMENTAL
~BORATORIøt3J INC.,
J. J. EGUN; REG. CHEM. ENGR.
4100 PIERCE RD., BAKERSFIELD, CALIFORNIA 93308 PHONE 327-4911
Purgeable Aromatics
( SOIL)
. CHEMICAL ANAL'YSIS
PETROI.J:lJM
Consolidated Testing Laboratories
1055 W. Morton Ste C
Porterville, CA 93527
Attention:
Date of
Report: 24-Jul-90
Lab No.:
Sample Desc:
5983-2
111-90 Pence Petroleum Company
#2, 11'-11.5', B3 7/9/90 @ 9:14
Date Sample Date Sample Date Analysis
Collected: Received @ Lab: Completed:
09-Jul-90 09-Jul-90 20-Jul-90
Minimum
Reporting Analysis Reporting
Constituent Units Results Level
Benzene ug/g 3.1 0.8
Toluene ug/g 49 0.8
Ethyl Benzene ug/g 13 0.8
p-Xylene ug/g 39 0.8
m-Xylene ug/g 84 0.8
o-Xylene ug/g 61 0.8
Total Petroleum
Hydrocarbons ug/g 1,800 200
(Gasoline)
TEST METHOD: TPH by D.O.H.S. L.U.F.T. method.
Individual constituents by EPA method 5030/8020.
As Received Basis
Comments:
California D.O.H.S. Cert. #1186
By
ÆÆ~
d~ J. _1Z <1ltc.
Y Analyst
B5
ENVIRONIIENTíIL
4100 PIERCE RD., BAKERSFIELD, CALIFORNIA 93308 PHONE 327-4911
Purgeable Aromatics
(SOIL)
. CHEJlICAL ANALYSIS
PETROLEIIM
Consolidated Testing Laboratories
1055 W. Morton Ste C
Porte~,ille, CA 93527
Attention:
Date of
Report: 24-Jul-90
Lab No.,:
Sample Desc:
5983-6
111-90 Pence Petroleum Company
#6, 31'-31.5', B3 7/9/90 @ 10:17
Date Sample Date Sample Date Analysis
Co 11 E~cted : Received @ Lab: Completed:
09-Jul-90 09-Jul-90 20-Jul-90
Minimum
Reporting Analysis Reporting
Consti t.uent Units Results Level
BenzenE~ ug/g 21 2
ToluenE~ ug/g 340 2
Ethyl Benzene ug/g 78 2
p-Xylene ug/g 110 2
m-Xylene ug/g 240 2
o-Xylene ug/g 130 2
Total Petroleum
Hydrocarbons ug/g 4,200 400
(Gasoline)
TEST METHOD: TPH by D.O.H.S. L.U.F.T. method.
Individual constituents by EPA method 5030/8020.
As Received Basis
Conunen1::s :
California D.O.H.S. Cert. #1186
By
-F. .æ,~~;<
. tð. E ~n
-¡jP'lÆalY*~
B6
ENVIRONMENTAL
~BORATORIØÞa, INC.
J. J. EGUN, REG. CHEM. ENGR.
4100 PIERCE RD., BAKERSFIELD, CALIFORNIA 93308 PHONE 327-4911
Purgeable Aromatics
(SOIL)
CHEMICAL ANAl.YSIS
PETROI.EUM
Consolidated Testing Laboratories
1055 W. Morton Ste C
Porterville, CA 93527
Atten1:ion:
Date of
Report: 24-Jul-90
Lab N (). :
SamplE~ Desc:
5983-10
111-90 Pence Petroleum Company
#10, 51'-51.5', B3 7/9/90 @ 11:08
Datt3 Sample Date Sample Date Analysis
Collected: Received @ Lab: Completed:
09-Jul-90 09-Jul-90 20-Jul-90
Minimum
Reporting Analysis Reporting
Constituent Units Results Level
Benzene ug/g 370 5
Toluene ug/g 2,000 5
Ethyl Benzene ug/g 400 5
p-Xylene ug/g 550 5
m-Xyl,ene ug/g 1,200 5
o-Xylene ug/g 680 5
Total Petroleum
Hydrocarbons ug/g 24,000 1,000
(Gasoline)
TEST METHOD: TPH by D.O.H.S. L.U.F.T. method.
Individual constituents by EPA method 5030/8020.
As Received Basis
Comments:
California D.O.H.S. Cert. #1186
By
#-fr r~'
. . lin
~ .
A~ :1ojJ~
Analyst
B7
ENVIRONMENTAL
!tABORATORI~, INC.
J. J. EGLIN, REG. CHEM. ENGR.
4100 PIERCE RD., BAKERSFIELD, CALIFORNIA 93308 PHONE 327-4911
Purgeable Aromatics
(SOIL)
. CHElIICAL ANALr5IS
PETROLEUM
Consolidated Testing Laboratories
1055 W. Morton Ste C
Porterville, CA 93527
Attent:ion:
Date of
Report: 24-Jul-90
Lab N (). :
SamplE~ Desc:
5983-14
111-90 Pence Petroleum Company
#14, 71'-71.5', B3 7/9/90 @ 11:35
DatEa Sample Date Sample Date Analysis
Collected: Received @ Lab: Completed:
09-Jul-90 09-Jul-90 20-Jul-90
Minimum
Reporting Analysis Reporting
Constituent Units Results Level
Benzene ug/g 340 5
Toluene ug/g 1,600 5
Ethyl Benzene ug/g 350 5
p-Xylene ug/g 480 5
m-Xylene ug/g 11,000 5
o-Xylene ug/g 600 5
Total Petroleum
Hydrocarbons ug/g 18,000 1,000
(Gasoline)
TEST METHOD: TPH by D.O.H.S. L.U.F.T. method.
Individual constituents by EPA method 5030/8020.
As Received Basis
Commemts:
California D.O.H.S. Cert. #1186
By
¡i/l!f;/
. . gl1.n
J~J. :b~
Analyst
B8
, ENVIRONMfNTAL
~BORATORI!t3. INC.
J. J. EGLIN, REG. CHEM. ENGR.
4100 PIERCE RD., BAKERSFIELD, CALIFORNIA 93308 PHONE 327-4911,
Petroleum Hydrocarbons
(SOIL)
CHEMICAL ANAjlYSIS
PETROJ'.EUM
Consolidated Testing Laboratories
1055 ~.¡. Morton, #C
porterville, CA 93257
Attention: David Harris
Date of
Report: 25-Jul-90
Lab N (). :
Sample Desc:
5983-14add'n
Project #111-90, Pence Petroleum Company, Sample #14
7-9-90, Boring # B-3
DatE~ Sample
Collected:
09-Jul-90
Date Sample
Received @ Lab:
09-Jul-90
Date Sample
Extracted:
19-Jul-90
Date Analysis
Completed:
24-Jul-90
Constituent
Reporting
units
Analysis
Results
Minimum
Reporting
Level
Total Pet.
Hydrocarbons
(Diesel)
ug/g
340
100
TEST ~1ETHOD: TPH by D.O. H. S. / L. U . F . T Manual Method.
As Received Basis
Comments:
California D.O.H.S. Cert. #1186
By
¡'f:~t~/
. . 11n
.
3t¡vL D ~~
Analyst
B9
ENVfRONMENTAL
·LABORATORI~. INC.
J. J. EGLIN, REG. CHEM. ENGR.
4100 PIERCE RD., BAKERSFIELD, CALIFORNIA 93308 PHONE 327·4911
Purgeable Aromatics
(SOIL)
, CHEMICAL ANALYSIS
PETROLEUM
Consolidated Testing Laboratories
1055 W. Morton Ste C
Porterville, CA 93527
Attention:
Date of
Report: 24-Jul-90
Lab No.:
Sample Desc:
5983-16
111-90 Pence Petroleum Company
#16, 81'-81.5', B3 7/9/90 @ 2:43
Dat.e Sample Date Sample Date Analysis
Collected: Received @ Lab: Completed:
09-Jul-90 09-Jul-90 20-Jul-90
Minimum
Reporting Analysis Reporting
Const:i tuent Units Results Level
BenzEme ug/g 44 0.8
Toluene ug/g 370 0.8
Ethyl Benzene ug/g 97 0.8
p-Xylene ug/g 130 0.8
m-Xylene ug/g 300 0.8
a-Xylene ug/g 170 0.8
Total Petroleum
Hydrocarbons ug/g 4,700 200
(Gasoline)
TEST METHOD: TPH by D.O.H.S. L.U.F.T. method.
Individual constituents by EPA method 5030/8020.
As Received Basis
Comments:
California D.O.H.S. Cert. #1186
By
rI j: ~<#/
. ar. in
~). :b~
Analyst
BIO
ENVIRONIIENTAL
~BORATORII3. INC.
J. J. EGUN, REG. CHEM. ENGR.
4100 PIERCE RD., BAKERSFIELD, CALIFORNIA 93308 PHONE 327-4911,
Purgeable Aromatics
. (SOIL)
CHEIIICAL ANALI~
PETROl.JêUII
Consolidated Testing Laboratories
1055 W. Morton Ste C
porterville, CA 93527
Atten't:ion:
Date of
Report: 24-Jul-90
Lab Nlo.:
Sampl,e Desc:
6016-2
#111-90 Pence Petroleum company
#18, 39 F, 11'-11.5' B2 7/10/90
Date Sample
Collected:
10-Jul-90
Date sample
Received @ Lab:
10-Jul-90 .
. Date Analysis
Completed:
20-Jul-90
Constituent
Reporting
, units
Analysis
, Results
Minimum
Reporting
Level
Benz e,ne
Toluene
Ethyl Benzene
þ-Xylene
m-Xylene
o-Xylene
ug/g
ug/g
ug/g
ug/g
ug/g
ug/g
none detected
none detected
none detected
none detected
none detected
none detected
0.005
0.005
0.005
0.005
0.005
0.005
Total Petroleum
Hydrocarbons
(Gasoline)
ug/g
none detected
1
TEST METHOD: TPH by D.O.H.S. L.U.F.T. method.
Individual constituents by EPA method 5030/8020.
As Received Basis
COInInE:nts:
California D.O.H.S. Cert. #1186
By
-If £ V~
. (,(f. - lin
~ ~ailo
nalyst
Bll
ENVIRONIIENTAL
4100 PIERCE RD.,
PHONE 327-4911
CHEIIICAL ANALYSIS
PETROLEUM
CONSOLI:DATED TESTING LAB
1055 WEST MORTON, SUITE C
PORTERVILLE, CA 93257
Attn.: DAVID HARRIS 209-781-0571
Date Reported: 07/25/90
Date Received: 07/10/90
Laboratory No.: 6016-3
Page
1
Sample Description: #111-90, PENCE PETROLEUM COMPANY - 901 E. TRUXTUN - BAKERSFIELD,
CA: SAMPLE #19 @ 16'-16.5 TEMP. 39F (B2), 7/10/90 @ 8:34
TOTAL CONTAMINANTS
(Title 22, Article II, California Administrative Code)
Constituents
Sample Results
Method
P.O.L.
Units
Method
Ref.
Organic Lead
None Detected
1.0
mg/kg
Luft-Manua
Constituents
Reaulatorv Criteria
STLC. maiL TTLC. malka
Organic Lead
None
13.0
Comment:
All constituents reported above are in mg/kg (unless otherwise stated) on
an as received (wet) sample basis. Results reported represent totals
(TTLC) as sample subjected to appropriate techniques to determine total levels.
P.Q.L. =
Practical Quantitation Limit (refers to the least amount of analyte detectable
based on sample size used and analytical technique employed.
None Detected (Constituent, if present, would be less than the method P.Q.L.).
Insufficient Sample
N.D. =
I.S. =
STLC
TTLC
= Soluble Threshold Limit Concentration
= Total Threshold Limit Concentration
REFERENC:E:S :
(1) "Test Methods for Evaluating Solid Wastes", SW 846, July, 1982.
(2) "Methods for Chemical Analysis of Water and Wastes", EPA-600, 14-79-020.
BY rl. ø. ~~
77f. p. Egl'
B12
ENVIRONMENTAL
eLABORATOR¡@S. INC.
J. J. EGLIN, REG.CHEM. ENGR.
4100 PIERCE RD., BAKERSFIELD, CALIFORNIA 93308 PHONE 327-4911
Ethylenedibromide/Dibromochloropropane
EDB/DBCP
Analysis In Soil
CHElIICAL ANA,LYSIS
PETROllEUM
Consolidated Testing Laboratories
1055 W. Morton, #C
Porterville, CA 93257
Attention: David Harris
Date of
Report: 27-Jul-90
Lab N (). :
SamplE~ Desc:
6016-3add'n
project #111-90, Pence Petroleum Company, Sample #19
B2, 7-10-90 @ 8:34am
DatE~ Sample
Collected:
10-Jul-90
Date Sample
Received @ Lab:
10-Jul-90
Date Sample
Extracted:
20-Jul-90
Date Analysis
Completed:
20-Jul-90
Constituents
Reporting
units
Results
Minimum
Reporting
Level
Dibromochloropropane
EthylEmedibromide
ug/g
ug/g
none detected
none detected
0.40
0.40
Modified Method AB 1803
As Received Basis
Comments:
California D.O.H.S. Cert. #1186
By ø- a- ~
V If· J. glin
/~1M:!:' )
B13
, ENVIRONlljOOAL
CHEIIJCAL AmILYSIS
PETRGILEUII
~BORATORI~. INC.
J. J. EGUN, REG. CHEM. ENGR.
4100 PIERCE RD., BAKERSFIELD, CALIFORNIA 93308 PHONE 327-4911
Purgeable Aromatics
( SOIL)
Consolidated Testing Laboratories
1055W. Morton Ste C
Porterville, CA 93527
Attention:
Lab No.:
Sampl,e Desc:
Dat e Sample
Collected:
10-Jul-90
Constituent
Benzene
Toluene
Ethyl Benzene
p-XylEme
m-XylEme
o-XylEme
Total Petroleum
Hydrocarbons
(Gasoline)
Date of
Report: 24-Jul-90
6016-5
#111-90 Pence Petroleum company
#21, 39 F, 26'-26.5' B2 7/10/90
Date Sample
Received @ Lab:
10-Jul-90
Date Analysis
Completed:
20-Jul-90
Reporting
Units
Minimum
Reporting
Level
Analysis
Results
ug/g
ug/g
ug/g
ug/g
ug/g
ug/g
none detected 0.005
none detected 0.005
none detected 0.005
none detected 0.005
none detected 0.005
none detected 0.005
none detected 1
ug/g
TEST METHOD: TPH by D.O.H.S. L.U.F.T. method.
Individual constituents byEPA method 5030/8020.
As Received Basis
Comments:
California D.O.H.S. Cert. #1186
By
~-i~>
. . l1.n
.~ J. J:.<11k
r:nvAnalyst
B14
ENVIRONII~'TAL
4100 PIERCE RD.,
PHONE 327-4911 '
CHElIICAL ANALi'fSlS
PETROI.J:UM
CONSOLII)ATED TESTING LAB
1055 WEST MORTON, SUITE C
PORTERV:[LLE, CA 93257
Attn.: DAVID HARRIS 209-781-0571
Date Reported: 07/25/90 Page
Date Received: 07/10/90
Laboratory No.: 6016-5ADD'N
1
Sample Description: #111-90, PENCE PETROLEUM COMPANY - 901 E. TRUXTUN - BAKERSFIELD,
CA: SAMPLE #21 @ 26'-26.5 TEMP. 39F (B2), 7/10/90 @ 8:58
TOTAL CONTAMINANTS
(Title 22, Article II, California Administrative Code)
Constituents
Sample Results
Method
P.O.L.
Units
Method
Ref.
Organic Lead
None Detected
1.0
mg/kg
Luft-Manua
Const i t'uents
Reaulatorv Criteria
STLC. maiL TTLC, maiko
Organic Lead
None
13.0
Comment:
All constituents reported above are in mg/kg (unless otherwise stated) on
an as received (wet) sample basis. Results reported represent totals
(TTLC) as sample subjected to appropriate techniques to determine total levels.
P.Q.L. =
Practical Quantitation Limit (refers to the least amount of analyte detectable
based on sample size used and analytical technique employed.
None Detected (Constituent, if present, would be less than the method P.Q.L.).
Insufficient Sample
N.D. =
I.S. =
STLC
TTLC
= Soluble Threshold Limit Concentration
= Total Threshold Limit Concentration
REFERENCES:
(1) "Test Methods for Evaluating Solid Wastes", SW 846, July, 1982.
(2) "Methods for Chemical Analysis of Water and Wastes", EPA-600, 14-79-020.
ByJl. (J. {¥.;..¡
l/J.#. Eg .
BI5
ENVIRONI'ENTAL
·LABORATORI~. INC.
J. J. EGUN, REG. CHEM. ENGR.
4100 PIERCE RD., BAKERSFIELD, CALIFORNIA 93308 PHONE 327-4911
Ethylenedibromide/Dibromochloropropane
EDB/DBCP
Analysis In Soil
CHEMICAL ANALYSIS
PETR 'LEUM
Consolidated Testing Laboratories
1055 W. Morton, #C
porte:rville, CA 93257
Attention: David Harris
Date of
Report: 27-Jul-90
Lab No.:
Sample Desc:
6016-5add'n
Project #111-90, Pence Petroleum Company, Sample #21
B2, 7-10-90 @ 9:05am
Date Sample
Collected:
10-Jul-90
Date Sample
Received @ Lab:
10-Jul-90
Date Sample
Extracted:
20-Jul-90
Date Analysis
Completed:
20-Jul-90
Constituents
Reporting
units
Results
Minimum
Reporting
Level
Dibromochloropropane
Ethylenedibromide
ug/g
ug/g
none detected .
none detected
0.40
0.40
Modified Method AB 1803
As Received Basis
Comments:
California D.O.H.S. Cert. #1186
-Jß~
By·· ,- ".' .
(/J. . Eglin
/£~~J
,B16
_/
- ----- -.- .
ENVIRONltlENTAL
CHEMICAL AI'iALYSIS
PmIOLEUII
-LABORATORI@S. INC.
J. J. EGUN, REG. CHEM. ENGR.
4100 PIERCE RD., BAKERSFIELD, CALIFORNIA 93308 PHONE 327-4911
Purgeable Aromatics
(SOIL)
Consc)lidated Testing Laboratories
1055 W. Morton Ste C
PortE!rville, CA 93527
Attention:
Lab No.:
Sample Desc:
Dat:e Sample
Collected:
10-Jul-90
Constituent
Benzene
Toluene
Ethyl Benzene
p-Xylene
m-Xylene
o-Xy1ene
Total Petroleum
Hydrocarbons
(Gasoline)
Date of
Report: 24-Jul-90
6016-7
#111-90 Pence Petroleum company
#23, 39 F, 36'-36.5' B2 7/10/90
Date Sample
Received @ Lab:
10-Jul-90
Date Analysis
Completed:
20-Jul-90
Reporting
Units
Minimum
Reporting
Level
Analysis
Results
ug/g
ug/g
ug/g
ug/g
ug/g
ug/g
0.013
0.028
none detected
none detected
0.010
0.0078
0.005
0.005
0.005
0.005
0.005
0.005
ug/g
none detected
1
TEST :METHOD: TPH by D.O. H" S. L. U . F. T. method.
Individual constituents by EPA method 5030/8020.
As Received Basis
Comments:
California D.O.H.S. Cert. #1186
By
.¡¡~
. . gl in
~ l -ßQ/.k
'Xna1yst
HI7
ENVlRONIII:NTAL
·LABORATORI~. INC.
J. J. EGUN, REG. CHEM. ENGR.
4100 PIERCE RD., BAKERSFIELD, CALIFORNIA 93308 PHONE 327-4911
Purgeable Aromatics
( SOIL)
CHEII1CAL ANJILYSIS
PETRC}LEUII
Consolidated Testing Laboratories
1055 W. Morton Ste C
Porte~rville, CA 93527
Attention:
Date of
Report: 24-Jul-90
Lab No.:
Sample Desc:
6016-10
#111-90 Pence Petroleum company
#26, 39 F, 51'-51.5' B2 7/10/90
Dat:e Sample
Collected:
10-Jul-90
Date Sample
Received @ Lab:
10-Jul-90
Date Analysis
Completed:
20-Jul-90
Reporting Analysis
Const:i tuent units Results
BenZEme ug/g 0.29
ToluEme ug/g 0.49
Ethyl Benzene ug/g 0.030
p-Xylene ug/g 0.034
m-Xylene ug/g 0.091
o-Xylene ug/g 0.054
Total Petroleum
Hydr()carbons ug/g 5.2
(Gasoline)
Minimum
Reporting
Level
0.005
0.005
0.005
0.005
0.005
0.005
1
TEST METHOD: TPH by D.O.H.S. L.U.F.T. method~
Individual constituents by EPA method 5030/8020.
As Received Basis
COl1U1\Emts :
California D.O.H.S. Cert. #1186
By
a I. ~p',
d. . 1 in
~). :ßqJk,
Analyst
B18
ENVlRONIIENrAL
LBORATORI~. INC.
J. J. EGLIN, REG. CHEM. ENGR.
4100 PIERCE RD., BAKERSFIELD, CALIFORNIA 93308 PHONE 327-4911
Petroleum Hydrocarbons
(SOIL)
. CHElIICAL ANAU'SIS
PETROLfUM
Consolidated Testing Laboratories
1055 W. Morton, #C
Porte!ville, CA 93257
Attent~ion: David Harris
Date of
Report: 25-Jul-90
Lab No.:
SamplE~ Desc:
60l6-l0add'n
Project #111-90, Pence Petroleum Company, Sample #26
7-10-90
DatE~ Sample
Collected:
10-Jul-90
Date Sample
Received @ Lab:
10-Jul-90
Date Sample
Extracted:
19-Jul-90
Date Analysis
completed:
24-Jul-90
Constituent
Reporting
units
Analysis
Results
Minimum
Reporting
Level
Total Pet.
Hydrocarbons
(Diesel)
ug/g
8
5
TEST METHOD: TPH by D.O.H.S. / L.U.F.T Manual Method.
As Re:ceived Basis
Commelnts:
California D.O.H.S. Cert. #1186
By
i:-i: ~¢~/
.. l.n
sikd? 7
B19
,~
ENVIRONIA'ENTAL
LSORATORII!3. INC.
J. J. EGUN. REG. CHEM. ENGR.
4100 PIERCE RD., BAKERSFIELD, CALIFORNIA 93308 PHONE 327-4911
BTXE/TPH GASOLINE
Quality Control Data
. CHEMICAL AN.4LYSIS
PETROLEUII
Consolidated Testing Laboratories
1055 W. Morton Ste C
Porterville, CA 93257
Atten"tion:
Spike ID: OFW
Analysis Date: 20-Jul-90
Sample Matrix: Soil
Units: ug/g
Qual i 1:y Control
for Lab Nos: 5983-2, 5983-6, 5983-10, 5983-16
Constituent
Spike
% Ree
Dup
Spike
% Ree
Spike
RPD
------.--------------------------------------------------------------
Benzene 102.24 106.25 3.85
Toluene 109.36 107.56 1.66
Ethyl Benzene 115.10 111.03 3.60
QC Comments:
B20
ENVIRONMÆ:NTAL
LBORATORII!J. INC.
J. J. EGUN, REG. CHEM. ENGR.
4100 PIERCE RD., BAKERSFIELD, CALIFORNIA 93308 PHONE 327-4911.
BTXE/TPH GASOLINE
Quality Control Data
. CHEMICAL ANALYSIS
PETROI.EUM
Consolidated Testing Laboratories
1055 w. Morton Ste C
Porterville, CA 93257
Atten1t:ion:
Spike ID: OFW
Analysis Date: 20-Jul-90
Sample Matrix: Soil
Units: ug/g
Quali1:y Control
for Lab Nos: 5983-14
Constituent
Spike
% Rec
Dup
Spike
% Rec
Spike
RPD
---------------------------------------------------------------------
Benzene 100.03 99.02 1.01
Toluene 99.95 100.15 0.20
Ethyl Benzene 102.89 107.41 4.30
QC Comments:
B21
ENVtRON.IfENTAL
·LABORATORI~. INC.
J. J. EGUN, REG. CHEM. ENGR.
4100 PIERCE RD., BAKERSFIELD, CALIFORNIA 93308 PHONE 327-4911
BTXE/TPH GASOLINE
Quality Control Data
CHEMICAL AJVALmS
PEnlOLEUII
Consolidated Testing Laboratories
1055 W. Morton Ste C
PortE~rville, CA 93257
Attention:
Spike ID: OFW
Analysis Date: 20-Jul-90
Samp¡e Matrix: Soil
units: ug/g
Quality Control
for Lab Nos: 6016-2, 6016-5, 6016-7
Constituent
Spike
% Ree
Dup
Spike
% Ree
Spike
RPD
----.----------------------------------------------------------------
BenZEme 108.05 109.00 0.88
ToluEme 108.70 109.05 0.32
Ethyl Benzene 109.72 109.98 0.24
QC Cmnments:
B22
ENVIRONIrENTAL
~BORATORI~" INC.
J. J. EGUN, REG. CHEN. ENGR.
4100 PIERCE RD., BAKERSFIELD, CAUFORNIA 93308 . PHONE327-4911
BTXE/TPH GASOLINE
Quality Control Data
CHEIIICAL AA~)'SJS
PETII'OLEVII
Consolidated Testing Laboratories
1055 W. Morton Ste C
PortE~rville, CA 93257
Attention:
spike ID: OFW
Analysis Date: 20-Jul-90
Sample Matrix: Soil
units: ug/g
Quality Control
for Lab Nos: 6016-10
Constituent
Spike
% Rec
Dup
Spike
% Rec
Spike
RPD
---------------------------------------------------------------------
BenZEme 102.24 106.25 3.85
ToluEme 109.36 107.56 1.66
Ethyl Benzene 115.10 111. 03 3.60
QC Comments:
B23
.
ENVIRONNENTAL
·LABORATORI~. INC.
J. J. EGLIN, REG. CHEM. ENGR.
4100 PIERCE RD., BAKERSFIELD, CALIFORNIA 93308 PHONE 327-4911
EthylenedibromidelDibromochloropropane
In Soil
Quality Control Data
CHEIIlCAL ANALYSIS
PETP.'OLEUII
Consolidated Testing Laborato
1055 W. Morton, #C
Porte!rville, CA 93257
Attention: David Harris
Spike ID: 6016-3
Analysis Date: 20-Jul-90
Quality Control
for Lab Nos:
6016-3, 6016-5 additions
Constituent
DBCP
EDB
MRS RPD
Sample Conc (ppb)
Spike Conc (ppb)
2.0 2.0
116.5 141.9
120.8 144.6
MS % Recovery
MSD % Recovery
DBCP
EDB
.- Dibromochloropropane
- Ethylenedibromide
MRS=
RPD =
MS =
MSD =
Mid Range Standard
Relative Percent Deviation
Matrix Spike
Matrix Spike Duplicate
QC Comments:
Cont:
B24
ENVIRONllfNTAL
·LABORATORI~. INC.
, J. J. EGLIN, REG. CHEM. ENGR.
4100 PIERCE RD., BAKERSFIELD, CALIFORNIA 93308 PHONE 327-4911
TPH DIESEL
Quality Control Data
CHEMICAL ANA,lYSIS
PETROi.EUM
Consolidated Testing Laboratories
1055 W. Morton, #C
porterville, CA 93257
]~ttention: David Harris
TPH Spike ID:
Analysis Date:
Matrix:
Units:
6263-3
24-Jul-90
soil
ug/g
Qualit:y Control
for Lab Nos: 5983-l4add'n
One sample in twenty is selected as a representative matrix which is
spiked. The percentage recovery (% Rec) of the spike is a relative
measure of the accuracy of the analysis. The comparison of the spike
with a. duplicate spike is a measure of the relative precision of the
analysis.
Cons,ti tuent
Spike
'% Rec
Dup
S.pike
,% Rec
Spike
RPD
------,--------------------------------------------------------------
TPH Diesel
60
63
5
QC Comments:
B25
'~~ '_'"-<'0
,
- .
'" ~ONSOllDATED TESTING lABORATORIES, INC.
SOILS INVESTIGA TIONS
SOILS ÀND MA TERIALS TESTING
FIELD INSPECTION
CHAIN OF CUSTODY RECORD
ASIt /fl-&¡ð
I IJECT NO. 1741-90
· 'ROJECT LOCATION N. E. Corner nf 'RP;:¡ 1 P ~"p and
~--iNSPORTED BY Truck
I :OMHENTS
,
Truxtun Bakersfield, CA
THERMOMETER DEPTH OF
I
I ;OLLECTOR' S TEMP. READING SAMPLE BELOW BORING DATE/TIME
~LE # BEFORE SAMPLING EXIST. GRADE NUMBER. ANALYSIS REQUIRED SAMPLED
37() ¿4~ '-75' /!J4- T=PA 503ð /f>ø'2-ð ' /1-'--90 f"
I '1šT)(-T.p, I-f. (,"~) ~=oo
2 " 'lr ~'_ 801 ·84- /.fOI...!:) II Lf:' :4-0
3 If e4~' -85' !34 ~D\ - T...P.4-1. r9A':I ) I' S :'00
4 II Ø1 ~' - 90 I /34- µo t- '0 " s-;.~,
I ,- II q4-f!:, I - 95" 13~ 'ßT)( - t, 'P. ~ . (1"~ ) II " -: Go
,
I ~ " 99~'_lcol 'ß4 ~ðq::> I, 6;25
7 tI 1()4~/- /OS-I 1* 'ß T)( - -,-, p, H. ('fP~) I, b ;Sõ
B 1/ 1()9~' - //1'/ Z4 ,P;T'K - T. P, tI. (9A1) " . 7:3 ()
'"
q 1 , 1/4J¡,' - 115"1' , [;4- B(X- T.I. lI.fyI'5) " 7·:.:só
/
'0 'l. ' , [;;4-
It 11'12 - /to ' 8TY - í,¡),II. 1f,tJf) II f:lð
lo-4/
zoS4C0¡lJ-
~: IVED BY
3. cX./\/~"~-L;o~
SAMPLE lŒCEIVED BY
--.~
CRAIN OF POSSESSION
CONSOLIDATED TESTING LABS., INC.
AFFILIATION
CTL
AFFILIATION
BECKMAN ENVIRONMENTAL LABORATORY
1/- b -9D R:/ò
DATE/TIME
//..9"1fJ ðlZ~
-
AFFILIATION
DATE/TIME
//-%-~tJ fa...3
DATE/TIME
1055 W. Morton, Suite C, Porterville, CA 93257
(209) 781-0571
(209) 688-2925 * Tulare, CA
FAX (209) 782-8389
TEMP. OF ICE
CHEST AT LAB.
37 ()
B28
~ CONSOltITEß TESTING lABORATORIES, t.
SOILS INV.ESTIGA TIONS
SOILS ÀND MATERIALS TESTING
FIELD INSPECTION
CHAIN OF CUSTODY RECORD
,"SA III-f()
! ? )JECT NO. 1741-90
?ROJEC'! LOCA'I'ION N.E. Corner Or ~p~'p ~,~ and Truxtun Bakersfield. CA.
'J ANSPOR.TED B,y Truck
C.uMMENTS
THERHOHETEB. DEPTH OF
\...;u.EC1:0R.'S 'IEMP. READmG SAMPLE BELOW BORING DAl'E/TDm
SAMPLE # BEFORE SAMPLING EXIST. GXADE NUMBER ANl~YSIS REQUIRED SAMPLED
~ 1 r;J'A SÞi()/80'Lð
II 32>6 ð1 't - 'ð' B3A Brx--r. p, iI. (4¡aS) II· 7· , ~ 3:UP
/2 3ðð . e¡4'1z I. '15' ~~A f( 'I 3 '.4-,
/8 38° 9'1!i ''''Igf)' '63Å /1 ., +: It
lif 3ft I()f~ 1_/,,5' J B3A If I, .,. : 3e,
38° ~I It
Ir" /fJ'I .. 1/01 83A I, 4:5~
It, 380 114~). //S-J 133 A " q S~ t,ð
17 3~/ Ilfl.t '-lUll B3A· h " 5:4S
CRAIN OF POSSESSION
1. ß-".MIM- ~-
2.S~~Jj~
S ~ RZ::-
3. if
,
SAMPLE RECEIVED BY
AFFn.IATION
,
/1-7-90 5:~r
DATE/TIME
/1·8-11) ,,'2.j
DATE/TniE
//-7-90 ~,R::
DATE/TIME
CONSOLIDATED TESTING LABS. ~ me.
AFFILIATION
C. TL-
BEIICftt.AB\£IVIRONIERTAL LABORATORY
1055 w. Mort:on, Suit:e C, Port:erville, CA 93257
(209) 781-0571
(209) 688-2925 * Tulare, CA
FAX (209) 782-8389
TEMP. OF ICE
CHEST AT LAB.
~þ
B29
ANALYSIS
CLIENT
CLIENT CONTACT:
PROJECT #
SAMPLE MATRIX
SAMPLE ID
It
BECI~MAN
.
Environmental Laboratory
ANALYTICAL RESULTS
: 00991-01
1
11/06/90
16:00
11/08/90
11/13/90
10
mg/Kg
COMPOUNDS
-------------------------------------------------------------------------
-------------------------------------------------------------------------
(BTXE)
ASSOCIATED SOILS ANALYSIS,
INC.
DAVID HARRIS
111-90
SOIL
1-B4 74.5'-75'
RESULTS
LAB ID NUMBER
INSTRUMENT #
DATE SAMPLED
TIME SAMPLED
DATE RECEIVED
DATE ANALYZED
DILUTION FACTOR
UNITS
DLR
-------------------------------------------------------------------------
-------------------------------------------------------------------------
BENZENE
ETHYLBENZENE
TOLUENE
TOTAL XYLENE
0.078
0.009
ND
0.023
TOTAL PETROLEUM HYDROCARBONS
ND
ND = Compound Not Detected
DLR= DETECTION LIMIT FOR REPORTING
0.0050
0.0050
0.0050
0.0150
0.5000
--~----
LAB SUPERVISOR
Beckman Instruments. Inc.
B30
ANALYSIS
CLIENT
CLIENT CONTACT:
PROJECT #
SAMPLE MATRIX
SAMPLE ID
It
BECI~MAN
.
Environmental laboratory
ANALYTICAL RESULTS
: 00991-03
1
11/06/90
17:00
11/08/90
11/13/90
10
mg/Kg
COMPOUNDS
-------------------------------------------------------------------------
-------------------------------------------------------------------------
(BTXE)
ASSOCIATED SOILS ANALYSIS,
INC.
DAVID HARRIS
111-90
SOIL
3-B4 84.5'-85'
RESULTS
LAB ID NUMBER
INSTRUMENT #
DATE SAMPLED
TIME SAMPLED
DATE RECEIVED
DATE ANALYZED
DILUTION FACTOR
UNITS
DLR
-------------------------------------------------------------------------
-------------------------------------------------------------------------
BENZENE
ETHYLBENZENE
TOLUENE
TOTAL XYLENE
0.18
0.19
0.025
0.057
TOTAL PETROLEUM HYDROCARBONS
0.82
ND = Compound Not Detected
DLR= DETECTION LIMIT FOR REPORTING
0.0050
0.0050
0.0050
0.0150
0.5000
--~---
LAB SUPERVISOR
Beckman Instruments. Inc.
B31
ANALYSIS
CLIENT
CLIENT CONTACT:
PROJECT #
SAMPLE MATRIX
SAMPLE II>
,It
BECI~MAN
.
Environmental Laboratory
ANALYTICAL RESULTS
LAB ID NUMBER
INSTRUMENT #
DATE SAMPLED
TIME SAMPLED
DATE RECEIVED
DATE ANALYZED
DILUTION FACTOR
UNITS
: 00991-05
1
11/06/90
18:00
11/08/90
11/13/90
10
mg/Kg
COMPOUNDS
--------------------------------------------------------------------------
~ --------------------------------------------------------------------------
(BTXE)
ASSOCIATED SOILS ANALYSIS,
INC.
DAVID HARRIS
111-90
SOIL
5-B4 94.5'-95'
RESULTS
DLR
--------------------------------------------------------------------------
--------------------------------------------------------------------------
BENZENE 0.38 0.0050
ETHYLBENZENE 0.05 0.0050
TOLUENE 0.22 0.0050
TOTAL XYLENE 0.18 0.0150
TOTAL PE,]~ROLEUM HYDROCARBONS 2.0 0.5000
ND = Compound Not Detected
DLR= DETECTION LIMIT FOR REPORTING
Beckman Instruments. Inc.
---~---
LAB SUPERVISOR
.. -~
B32
--,..-
ANALYSIS
CLIENT.
CLIENT CONTACT:
PROJECT #
SAMPLE MATRIX
SAMPLE ID
_ BECI<MAN.
Environmental laboratory
ANALYTICAL RESULTS
(BTXE)
ASSOCIATED SOILS ANALYSIS,
INC,
DAVID HARRIS
111-90
SOIL
7-B4 104.5'-105'
LAB ID NUMBER
INSTRUMENT #
DATE SAMPLED
TIME SAMPLED
DATE RECEIVED
DATE ANALYZED
DILUTION FACTOR
UNITS
: 00991-07
1
11/06/90
18:50
11/08/90
11/13/90
10
mg/Kg
COMPOUNDS
--------------------------------------------------------------------------
--------------------------------------------------------------------------
RESULTS
DLR
--------------------------------------------------------------------------
--------------------------------------------------------------------------
BENZENE
ETHYLBENZENE
TOLUENE
TOTAL XYLENE
0.3
0.035
0.13
0.11
TOTAL PETROLEUM HYDROCARBONS
1.5
ND = Compound Not Detected
DLR= DE~rECTION LIMIT FOR REPORTING
0,0050
0.0050
0.0050
0.0150
0.5000
--~----
LAB SUPERVISOR
Beckman Instruments. Inc.
B33
)'.... ;
e
BECI~MAN
e
Environmental Laboratory
ANALYTICAL RESULTS
ANALYSIS
CLIENT
(BTXE)
ASSOCIATED SOILS ANALYSIS,
INC,
DAVID HARRIS
111-90
SOIL
8-B4 109.5'-110'
LAB ID NUMBER
INSTRUMENT #
DATE SAMPLED
TIME SAMPLED
DATE RECEIVED
DATE ANALYZED
DILUTION FACTOR
UNITS
CLIENT CONTACT:
PROJECT #:
SAMPLE MATRIX
SAMPLE II>
: 00991-08
1
11/06/90
19:30
11/08/90
11/13/90
10
mg/Kg
COMPOUNDS
RESULTS
DLR
--------------------------------------------------------------------------
--------------------------------------------------------------------------
--------------------------------------------------------------------------
--------------------------------------------------------------------------
BENZENE ND 0.0050
ETHYLBENZENE ND 0.0050
TOLUENE ND 0.0050
TOTAL XYLENE ND 0.0150
TOT AL PE~~ROLEUM HYDROCARBONS ND 0.5000
ND = Compound Not Detected
DLR= DETECTION LIMIT FOR REPORTING
---~--
LAB SUPERVISOR
Beckman Instruments. Inc.
B34
e
BECI~MAN
e
Environmental Laboratory
ANALYTICAL RESULTS
ANALYSIS
CLIENT
(BTXE)
ASSOCIATED SOILS ANALYSIS,
INC.
DAVID HARRIS
111-90
SOIL
9-B4 114.5'-115'
LAB ID NUMBER
INSTRUMENT #
DATE SAMPLED
TIME SAMPLED
DATE RECEIVED
DATE ANALYZED
DILUTION FACTOR
UNITS
CLIENT CONTACT:
PROJECT #'
SAMPLE MATRIX
SAMPLE ID
: 00991~09
1
11/06/90
19:50
11/08/90
11/13/90
10
mg/Kg
COMPOUNDS
RESULTS
DLR
---------.----------------------------------------------------------------
---------.----------------------------------------------------------------
---------.----------------------------------------------------------------
---------.----------------------------------------------------------------
BENZENE ND 0.0050
ETHYLBENZENE ND 0.0050
TOLUENE ND 0.0050
TOTAL XYLENE ND 0.0150
TOTAL PETROLEUM HYDROCARBONS ND 0.5000
ND = Compound Not Detected
DLR= DETECTION LIMIT FOR REPORTING
--~----
LAB SUPERVISOR
Beckman Instruments. Inc.
B35
e BECI~MAN e
Environmental Laboratory
ANALYTICAL RESULTS
ANALYSIS
CLIENT
(BTXE)
ASSOCIATED SOILS ANALYSIS,
INC,
DAVID HARRIS
111-90
SOIL
10-B4 119.5'-120'
LAB ID NUMBER
INSTRUMENT #
DATE SAMPLED
TIME SAMPLED
DATE RECEIVED
DATE ANALYZED
DILUTION FACTOR
UNITS
CLIENT CONTACT:
PROJECT #
SAMPLE HATRIX
SAMPLE ID
: 00991-10
1
11/06/90
20:10
11/08/90
11/13/90
10
mg/Kg
COMPOUNDS
RESULTS
DLR
--------------------------------------------------------------------------
--------------------------------------------------------------------------
--------------------------------------------------------------------------
--------------------------------------------------------------------------
BENZENE ND 0,0050
ETHYLBENZENE ND 0.0050
TOLUENE ND 0.0050
TOTAL XYLENE ND 0.0150
TOTAL PETROLEUM HYDROCARBONS ND 0.5000
ND = Compound Not Detected
DLR= DETECTION LIMIT FOR REPORTING
--~---
LAB SUPERVISOR
Beckman Instruments. Inc.
B36
e
BECI~MAN
e
Environmental Laboratory
ANALYTICAL RESULTS
ANALYSIS
CLIENT
(BTXE)
ASSOCIATED SOILS ANALYSIS,
INC.
DAVID HARRIS
111-90
SOIL
11-B3A 89.5'-90'
LAB ID NUMBER
INSTRUMENT #
DATE SAMPLED
TIME SAMPLED
DATE RECEIVED
DATE ANALYZED
DILUTION FACTOR
UNITS
CLIENT CONTACT:
PROJECT #
SAMPLE MATRIX
SAMPLE ID
: 00992-01
1
11/07/90
15:20
11/08/90
11/14/90
10
mg/Kg
COMPOUNDS
RESULTS
DLR
-------------------------------------------------------------------------
-------------------------------------------------------------------------
-------------------------------------------------------------------------
-------------------------------------------------------------------------
BENZENE 0.061 0.0050
ETHYLBENZENE 0.006 0.0050
TOLUENE 0.069 0,0050
TOTAL XYLENE 0.022 0.0150
TOTAL PETROLEUM HYDROCARBONS 0.54 0.5000
ND = Compound Not Detected
DLR= DETECTION LIMIT FOR REPORTING
--~----
LAB SUPERVISOR
Beckman Instruments. Inc.
B37
ANALYSIS
CLIENT
CLIENT CONTACT:
PROJECT #
SAMPLE MATRIX
SAMPLE ID
e
BECI~MAN
e
Environmental Laboratory
ANALYTICAL RESULTS
00992-02
1
11/07/90
15:49
11/08/90
11/14/90
10
mg/Kg
COMPOUNDS
---------.----------------------------------------------------------------
---------.----------------------------------------------------------------
(BTXE)
ASSOCIATED SOILS ANALYSIS,
INC,
DAVID HARRIS
111-90
SOIL
12-B3A 94.5'-95'
RESULTS
LAB ID NUMBER
INSTRUMENT #
DATE SAMPLED
TIME SAMPLED
DATE RECEIVED
DATE ANALYZED
DILUTION FACTOR
UNITS
DLR
-------------------------------------------------------------------------
---------.----------------------------------------------------------------
BENZENE
ETHYLBENZENE
TOLUENE
TOTAL XYLENE
0.073
0.062
0.38
0.31
TOTAL PETROLEUM HYDROCARBONS
2.2
ND = Compound Not Detected
DLR= DETECTION LIMIT FOR REPORTING
0.0050
0.0050
0.0050
0.0150
0.5000
---~--
LAB SUPERVISOR
Beckman Instruments. Inc.
B38
ANALYSIS
CLIENT
CLIENT CONTACT:
PROJECT 4;
SAMPLE MATRIX
SAMPLE II>
e
BECI~MAN
e
Environmental Laboratory
ANALYTICAL RESULTS
: 00992-03
1
11/07/90
16:12
11/08/90
11/14/90
10
mg/Kg
COMPOUNDS
--------------------------------------------------------------------------
--------------------------------------------------------------------------
(BTXE)
ASSOCIATED SOILS ANALYSIS,
INC.
DAVID HARRIS
111-90
SOIL
13-B3A 99.5'-100'
RESULTS
LAB ID NUMBER
INSTRUMENT #
DATE SAMPLED
TIME SAMPLED
DATE RECEIVED
DATE ANALYZED
DILUTION FACTOR
UNITS
DLR
--------------------------------------------------------------------------
--------------------------------------------------------------------------
BENZENE
ETHYLBENZENE
TOLUENE
TOTAL XYLENE
0.008
0.006
0.023
0.018
TOTAL PETROLEUM HYDROCARBONS
ND
ND = Compound Not Detected
DLR= DETECTION LIMIT FOR REPORTING
0.0050
0.0050
0.0050
0.0150
0.5000
---~-
LAB SUPERVISOR
Beckman Instruments. Inc.
B39
e
BECI~MAN
e
Environmental Laboratory
ANALYTICAL RESULTS
ANALYSIS
CLIENT
(BTXE)
ASSOCIATED SOILS ANALYSIS,
INC.
DAVID HARRIS
111-90
SOIL
14-B3A 104.5'-105'
LAB ID NUMBER
INSTRUMENT #
DATE SAMPLED
TIME SAMPLED
DATE RECEIVED
DATE ANALYZED
DILUTION FACTOR
UNITS
CLIENT CONTACT:
PROJECT #
SAMPLE MATRIX
SAMPLE ID
: 00992-04
1
11/07/90
16:38
11/08/90
11/14/90
10
mg/Kg
COMPOUNDS
RESULTS
DLR
-------------------------------------------------------------------------
-------------------------------------------------------------------------
-------------------------------------------------------------------------
-------------------------------------------------------------------------
BENZENE 0.032 0.0050
ETHYLBENZENE 0.32 0.0050
TOLUENE 0.17 0.0050
TOTAL XYLENE 0.16 0.0150
TOTAL PETROLEUM HYDROCARBONS 1.3 0,5000
ND = Compound Not Detected
DLR= DETECTION LIMIT FOR REPORTING
-~--
LAB SUPERVISOR
Beckman Instruments. Inc.
B40
e
BECI~MAN
e
Environmental Laboratory
ANALYTICAL RESULTS
CLIENT CONTACT:
PROJECT ~:
SAMPLE MATRIX
SAMPLE II)
(BTXE)
ASSOCIATED SOILS ANALYSIS,
INC.
DAVID HARRIS
111-90
SOIL
15-B3A 109.5'-110'
LAB ID NUMBER
INSTRUMENT #
DATE SAMPLED
TIME SAMPLED
DATE RECEIVED
DATE ANALYZED
DILUTION FACTOR
UNITS
: 00992-05
1
11/07/90
16:58
11/08/90
11/14/90
10
mg/Kg
ANALYSIS
CLIENT
--------------------------------------------------------------------------
--------.-----------------------------------------------------------------
COMPOUNDS
RESULTS
DLR
==============================================================.===========
BENZENE 7.0 0.0050
ETHYLBENZENE ND 0.0050
TOLUENE 11. 0 0.0050
TOTAL XYLENE ND 0,0150
TOTAL PETROLEUM HYDROCARBONS ND 0.5000
ND = Compound Not Detected
DLR= DETECTION LIMIT FOR REPORTING
--~--
LAB SUPERVISOR
Beckman Instruments. Inc.
B41
__ BECI<MAN e
Environmental laboratory
ANALYTICAL RESULTS
ANALYSIS
CLIENT
(BTXE)
ASSOCIATED SOILS ANALYSIS,
INC.
DAVID HARRIS
111-90
SOIL
16-B3A 114.5'-115'
LAB ID NUMBER
INSTRUMENT #
DATE SAMPLED
TIME SAMPLED
DATE RECEIVED
DATE ANALYZED
DILUTION FACTOR
UNITS
CLIENT CONTACT:
PROJECT #
SAMPLE MATRIX
SAMPLE ID
: 00992-06
1
11/07/90
17:20
11/08/90
11/14/90
10
mg/Kg
COMPOUNDS
RESULTS
DLR
-------------------------------------------------------------------------
- -------------------------------------------------------------------------
-------------------------------------------------------------------------
-------------------------------------------------------------------------
BENZENE 0.01 0,0050
ETHYLBENZENE 0.01 0.0050
TOLUENE 0.042 0.0050
TOTAL XYLENE 0.05 0.0150
TOTAL PETROLEUM HYDROCARBONS 0.62 0.5000
ND = Compound Not Detected
DLR= DETECTION LIMIT FOR REPORTING
----~-
LAB SUPERVISOR
Beckman Instruments. Inc.
,-'
842
........~....,'
e BECI~MAN e
Environmental Laboratory
ANALYTICAL RESULTS
CLIENT CONTACT:
PROJECT #
SAMPLE HATRIX
SAMPLE ID
(BTXE)
ASSOCIATED SOILS ANALYSIS,
INC.
DAVID HARRIS
111-90
SOIL
17-B3A 119,5'-120'
LAB ID NUMBER
INSTRUMENT #
DATE SAMPLED
TIME SAMPLED
DATE RECEIVED
DATE ANALYZED
DILUTION FACTOR
UNITS
: 00992-07
1
11/07/90
17:45
11/08/90
11/14/90
10
mg/Kg
ANALYSIS
CLIENT
--------------------------------------------------------------------------
--------------------------------------------------------------------------
COMPOUNDS
RESULTS
DLR
--------------------------------------------------------------------------
--------------------------------------------------------------------------
BENZENE
ETHYLBENZENE
TOLUENE
TOTAL XYLENE
0.041
0.052
0.28
0.27
0.0050
0.0050
0.0050
0.0150
TOTAL PETROLEUM HYDROCARBONS
2.0
0.5000
ND = Compound Not Detected
DLR= DETECTION LIMIT FOR REPORTING
---~-
LAB SUPERVISOR
Beckman Instruments. Inc.
B43
e
BECI~MAN
e
Environmental laboratory
QA RESULTS
CLIENT:
PROJECT #
SAMPLE MATRIX:
SAMPLE II>
XXXXXXXXXX
XXXXXX
SOIL
XXXXXXXX
LAB ID NUMBER
INSTRUMENT #
DATE SAMPLED
DATE RECEIVED
DATE ANALYZED
UNITS
00991-07,
1
11/06/90
11/08/90
11/13/90
mg/Kg
TEST : VOLATILE ORGANICS ( BTXE )
----------------------------------------------------------------------------
----------------------------------------------------------------------------
COMPOUNDS
SAMPLE
RESULT
SPIKED
CONC
SPIKED
SAMPLE
DUP
% SPIKED
REC SAMPLE
DUP
%
----------------------------------------------------------------------------
----------------------------------------------------------------------------
I-ENZENE 0.0 100.0 74.9 75 69.3 -7.8
TOLUENE 1.2 100.0 80.7 79 74.8 -7.6
:>TAL PETROLEUM HYDROCARBONS 0.0 500.0 690.0 138 634.0 -8.5
(SPIKE SAMPLE - SAMPLE RESULT)
% REC = ------------------------------ X 100
SPIKE CONC
(SPIKED SAMPLE - DUPLICATE SPIKED SAMPLE) X 2
DUP % = --------------------------------------------- X 100
(SPIKED SAMPLE + DUPLICATE SPIKED SAMPLE)
Beckman Instruments. Inc.
B44
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APPENDIX C
(SITE HISTORY INFORMATION)
RESOURCE MANAGEMENT AGENCY C1
CORRESPONDENCE (MAY 7, 1990)
RESOURCE MANAGEMENT AGENCY C2
CORRESPONDENCE (JUNE 15, 1990)
LOCATION MAP C3
LOCATION OF PREVIOUS UNDERGROUND TANKS C4
CHAIN OF CUSTODY RECORD (11-1-89) C5 - C7
MAP OF PREVIOUS TANK C8
REMOVAL AND SOIL SAMPLE LOCATIONS
LABORATORY ANALYSIS OF SOIL SAMPLES C9 - C24
(11-1-89)
QUALITY CONTROL DATA C25 - C27
RECOURSE MANAGEMENT AGENCY C28
UNIFORM HAZARDOUS WASTE MANIFEST C29
UNDERGROUND TANK DISPOSITION C30
TRACKING RECORD
HAZARDOUS WASTE MANIFEST C31 - C32
GARY J. WI'CKS
Agency Director
(805) 861·3!S02
STEVE McCALLEY
Director
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2700 M Street, Suite 300
a.ke,.fleld. CA '3301
Telephone (805) 861.3636
Telecopler (805) 861·3429
RESOURCE
AGENCY
'.~~
'~~~'::"~:';~~~'/J.,¡j,;, .
May 7, 1990
Rob Pence
Pence Petroleum Company
2700 Wear Street
Bakersfield, CA 93308
I
I
I
Subj ect:
Location:
Known As:
Pennit II:
901 E. 19th Street, Bakersfield, CA
Pence Petroleum Company
150029
Dear Mr. Pence:
Our Department has reviewed the site characterization workplan submitted by
Associated Soils Analysis (ASA) for the above referenced site. Our conunents are
as follows:
1. Gradient is not mentioned. Gradient is necessary to determine the most
feasible boring locations. A U.S.G.S. map showing contours should be
submitted for this location. The map may be limited to the area
undergoing site characterization.
2. Boring locations are spaced too far apart and are not located to best
define the suspected contaminant plume. Bore holes shall be limited
to three; four are excessive.
3. Soil sampling shall begin at grade and proceed at five foot intervals
and at any change in lithology.
4. All underground utilites and above ground obstructions (power lines)
shall be depicted on the plot plan.
5. Constituents to be analyzed shall include total petroleum hydrocarbons
(gasoline) and BXTE. Analyses for the removed 6,000 gallon leaded
gasoline tank shall include organic lead and E.D.B.
Upon receipt of the above addendum information and a revised plot plan our
office will continue the review. A consultation may be scheduled by appointment
if necessary.
."Q"..._.~.~.. '~··S'~~···...""';,..:'?~ ¿
,,;: ",:,....;::Y-l.·r~'· ,;..'Z1 :-':·i"":;' I All '
\....,,;~,,~"L[._. LIT.7 -...... - I / r I
FD:céis ~
If you have any questions contact me at (805) 861-3636.
Sincerely, {;;;L. .
~Darling, R~E.H.S. //
Hazardous Materials Specialist
Hazardous Materials Management Program
Cl
GARY J. WICKS
AC. ency DlrectCIf
(805) 861·350:2
STEVE McCALl,EY
DIrector
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2700 M Street, Suite 300
Blkersfleld. CA ,93301
Tel.phone (805) 881·3636
Tel.copl.r (805) 861·3429
RESOURCE
AGENCY
June 15, 1990
Rob Pence
Pence Petrolcüm
2700 Wear St.
Bakersfield, CA 93308
Subject:
Location
Known As
Permit #
901 E. 19th Street, Bakersfield, CA
Pence Petroleum Company
150029
Dear Mr. Pence:
This Department has reviewed the workplan addendum submitted by
Associated Soils Analvsis for the above-named facility. The workplan is
acc:eptable for investigation of contamination at this former underground tank
sitc~.
Please notify this Department 24 - 48 hours prior to soil sampling. After
completion of sampling and analyses, a complete report describing the extent of
contamination, remedial alternatives, and professional recommendations must be
submitted to this Department for evaluation within 30 days.
If you have any questions you may contact me at (805) 861-3636.
Sincerely,
~ling. R.E.H.S.
Hazardous Materials Specialist,
Hazardous Material Management Program
FD:cd
-----
cc:.Qssociated Soils Analysis---')
~ - --.. -_. ___._ ,__~_ _·___n._._. --
darling\penceh.m41
C2
e
REVISED
WORK, HEALTH AND SAFETY PLAN
FOR
PROPERTY LOCATED AT
901 E. TRUXTUN AVENUE
BAKERSFIELD, CA
PERMIT NO. 150029 C
/-61'1
~LJ I
FOR
PENCE PETROLEUM COMPANY
2700 WEAR STREET
BAKERSFIELD, CA 93308
JUNE 6, 1990
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REVISED
WORK, HEALTH AND SAFETY PLAN
FOR
PROPERTY LOCATED AT
901 E. TRUXTUN AVENUE
BAKERSFIELD, CA
PERMIT NO. 150029 C
. ~ð~
~~ ~
~~~
FOR
PENCE PETROLEUM COMPANY
2700 WEAR STREET
BAKERSFIELD, CA 93308
JUNE 6, 1990
e
e
REV I SED
WORK, HEALTH AND SAFETY PLAN
FOR
PROPERTY LOCATED AT
901 E. TRUXTUN AVENUE
BAKERSFIELD, CALIFORNIA
PERMIT NO. 150029 C
PRELIMINARY SITE ASSESSMENT STUDY
FOR PETROLEUM CONSTITUENTS PRESENT IN SOIL
TABLE OF CONTENTS
SITE DESCRIPTION . . . . . . . .
SITE HISTORY ........
SCOPE OF WORK ..........
FIELD INVESTIGATION PREPARATION
GROUND WATER ........
SUMMARY OF FIELD INVESTIGATION .
TESTHOLE SOIL BORINGS AND FIELD
SAMPLING GUIDELINES
GRAB GROUND WATER SAMPLING PROCEDURES
LABORATORY ANALYSIS
· . .
· . .
· . .
· . .
· . .
· . .
· . .
· . .
. . . . . .
HEALTH AND SAFETY PLAN
GENERAL STATEMENT .....
HAZARD EVAULATION ......
SAFETY EQUIPMENT ......
DECONTAMINATION AND DISPOSAL
PERSONAL PRECAUTIONS
EMERGENCY PROCEDURES
EMERGENCY SERVICES
· . .
· . .
· . .
· . .
REFERENCES CITED
· . .
FIGURES
1
VICINITY
2
TESTHOLE BORING LOCATION MAP
3
EMERGENCY FACILITIES
1
1
3
3
3
4
6
10
12
14
15
17
18
21
22
24
25
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SITE :DESCRIPTION:
The subject property is located at 901 E. Truxton Avenue,
Bakersfield, California (Figure 1). The site is located east of
Beale Avenue, between East Truxton Avenue and East 18th Street and
is si,tuated in Section 29, Township 29 South, Range 28 East, Mount
Diablo Baseline and Meridian. A.P.N. 017-160-07.
SITE HISTORY:
The flUbject parcel i.s owned by Pence Petroleum Company and was
previously operated as Pence Automated Fuels.
On November 1, 1989, soil samples were taken under three
underground fuel storage tanks and service pump island (Figure 2)
in the following manner:
The Slouth tank was a 600 gallon leaded regular gasoline storage
tank. Sample number P1, P2, P3, and P4 were taken at the location
shown. on the testhole boring location m,ap (Figure 2).
The center tank was a 600 gallon premium unleaded gasoline storage
tank. Sample numbers PS, P6, P7, and P8 were taken at the location
shown. on the testhole boring location map (Figure 2).
The north tank was a 10,000 gallon unleaded gasoline storage tank.
Sample numbers P9, P10, P11, and P12 were taken at the locations
shown. on the testhole boring location map (Figure 2).
1
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The service pump island was sampled in two locations (Figure 2).
.,
The ,alpha numeric designations for these soil samples are P131 P14,
P15, and P16.
Each location beneath the underground fuel tanks and dispenser
island was sampled at depth of 2 feet and 6 feet.
The sampling was conducted by MP Vacuum of Bakersfield, California.
Laboratory analysis on soil samples 'was conducted by BC
Laboratories, Inc. of Bakersfield, California from November 2,
1989, to November 9, 1989, when the soil sample analysis was
completed.
The results of the laboratory analysis indicated the presence of
petroleum constituents concentrated at the P5, P61 P9, and PIO soil
sample locations (Figure 2). Benzene levels ranged from 2.4 ppm
in soil sample P9 to 58.81 ppm in soil sample P6. Benzene levels
of .28 ppm and .38 ppm were found to be in soil sample P1 and P2
respectively.
Benzene levels were found to be non-detectable in
all other soil samples.
Total Petroleum Hydrocarbons (T.P.H.) levels in soil samples ranged
from non-detectable to 8,843.63 ppm. Again the higher levels of
T.P.H. were found to be concentrated in the area of soil samples
P5, P6, P9, and PIO.
As a. result of these levels of petroleum constituents in soil
samples, Pence Petroleum Company was required to provide a site
characterization work plan proposal pursuant to a letter sent from
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'the :Resource Management Agency, Department of Environmental
Servic:es on March 2, 1990, to Pence Petroleum Company.
SCOPE OF WORK:
The work to be provided will be conducted in accordance with the
California LUFT Manual Recommendations, E.P.A. Regulations,
A.S.T"M. Test Methods and Kern County Health Department
Requirements.
. . ~ ..'~'"
Work f5pecified at the site involves soil boring and soil sampling.
Additional water information will be collected if it is determined
that ç1round water may have been impacted by petroleum constituents
originating from this site as a result of our field investigation.
FIELD INVESTIGATION PREPARATION:
Underground utility locations will be located and marked at the
site by Underground Services Alert (USA) prior to drilling
opera"cions. Testho I e borings wi 11 be probed to a depth of four (4)
feet to further alleviate the possibility of damaging any
underground utilities or obstructions.
Any obstructions that may interfere with access to testhole boring
locations will be moved or relocated, if necessary, prior to the
field investigation.
GROUN:D WATER:
The estimated depth to ground water, below the site, is
appro:ldmately 185 to 200 feet below ground surface. The nearest
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'~ater wells in the area are located as follows: one well between
Baker street and Kern street with the depth to water 184'; on~ well
on Beale Avenue, north of California Blvd. with the depth to water
186'; and one well between Tulare street and Kern street in the
Truxton area with the depth to water 200'. This information was
provided by California Water Services on April 27, 1989. The
regional ground water gradient is to the southwest, per information
furnished by the Kern County Water Agency (Tom Haslebacher).
SUMMARY OF FIELD INVESTIGATION:
Number of testhole borings
We propose to drill 3 testhole borings located in the immediate
area 0 f the three ( 3 ) previ ous I y removed fue I tanks and fue I
dispenser island. See attached testhole boring location map for
proposed testhole boring locations (Figure 2).
One testhole boring (Bl) will be located in the vicinity where the
highest levels of petroleum constituents were indicated as a result
of laboratory analysis of P5 and P6. The remaining 2 testholes
will be situated around the perimeter as follows:
Testhole boring B2 will be positioned to indicate the levels of
petro I eum constituents southwest of Testho I e Boring Bl. Soi I
samples taken under the 600 gallon leaded regular gasoline tank
indicated levels of T.P.H. to be substantially dropping in samples
taken at 2 feet to samples taken at 6 feet below the bottom of the
4
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tank. The Benzene levels, as well as other petroleum constituents,
were also dropping or non-detectable. This would indicate this
area was impacted by petroleum constituents as a result of
overspilling during the tank filling process. This testhole boring
is located to determine the boundaries of the: ~etroleum
constituents concentrated around Testhole Boring Bl and serve as
a check for petroleum constituents at greater depths originating
from the south 600 gallon underground fuel tank.
Testhole Boring B3 is located northeast of Testhole Boring Bl and
is positoned to serve two purposes in the same manner as Testhole
Boring B2. Laboratory analysis of soil samples P13, P14, P15, and
P16 indicated non-detectable levels of Benzene with T.P.H. levels
being relatively low with respect to levels at Testhole Boring Bl.
These levels could indicate that petroleum constituents impacted
these soi 1 samples as a result of site wash-down or gasol ine
spillage during service pump maintenance (filter changes). The
primary purposes of this testhole boring would be to determine if
a leak occurred in the area of the fuel dispenser island near the
east end. Soil sample P6 indicated a T.P.H. level of 65.55 wit~
a non-detectable Benzene level. The secondary purpose would be to
determine if the petroleum constituent concentrated at Testhole
Boring Bl extend in this easterly direction at greater depths.
5
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TESTHOLE SOIL BORINGS AND FIELD SAMPLING GUIDELINES
:DRILLING METHOD:
'We propose to use a truck-mounted Mobile B-80 drill rig with 8 1/2"
outside diameter, 4 1/4" I.D. hollow stem augers AASHTO Designation
T251-77. The augers will be steam cleaned prior to drilling each
testhole at the site.
Total Depth of Testhole Borings
The total depth will not extend through the first aquifer
encountered. The upper most aquifer is expected to be at
approximately 180 to 200 feet below ground surface.
Field Soil Sampling Procedures and Soil Classification
Soil samples will be collected at 5 foot depth intervals, as field
conditions warrant, starting at 5 feet below the ground surface.
The soil samples will be collected using a 2" inside diameter by
18" long split spoon sampler. Two inch outside diameter by 6" long
brass sample tubes will be inserted into the sampler prior to use.
The sample tubes will be pre-cleaned by steam and Trisodium
Phosphate (T.S.P.) detergent wash and distilled water prior to use
and stored in clean plastic bags before inserting into the sampler.
The split spoon sampler will also be cleaned using the same
methods, as previously described, between each sample interval.
6
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After the soil sample is collected, the sample tube from the bottom
of thta sampler wi 11 be immediately sealed in the field by placing
teflon covers over the open end of the tube and placing a plastic
cap over the teflon cover. An adhesive tape will be placed around
the plastic cap to insure that the cap is secured and an airtight
seal is maintained.
All s~oil samples will be labeled appropriately in the field.
Labels will include: sample location; depth; date; time; job
number; and field identification number. Samples will be placed
immediately in an insulated storage container containing blue ice.
The temperature inside the storage container will be maintained at
4 deg'rees Celsius/39.2 degrees Fahrenheit and monitored with a
thermometer to insure that the temperature remains constant.
A chain of custody record will accompany the samples. Chain of
custody records will include: sample location; depth: date; time;
job number; and field identification number, analysis required and
personnel collecting samples. A field log book will be maintained
containing essentially the same information as the chain of custody
record with the addition of any field observations about the
sample.
The middle tube sample from the split spoon sampler or the soil
from the sampler shoe will be placed in sealed glass containers.
After approximately one half hour, a field reading will be taken
using the H.N.U. 101 Photoionization Meter. The field readings
will be recorded and used to determine the levels of fuel
7
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contamination encountered in the testhole and alsò assist in
selec'~ing the soil samples to be analyzed in the laboratory.
Soil samples will be delivered to B.C. Laboratories, Inc., a State
Certi fied hazardous waste testing laboratory, wi thin 24 hours after
the s.:imple is collected. The temperature will be maintained at 4
degrees Celsius in the insulated storage container prior to
deliv,ering to the laboratory.
Once the samples are delivered to the laboratory, the chain of
custody wi 11 be signed by the laboratory indicating that possession
of the samples has changed. The soil samples will be analyzed
within the required 14-day period following collection, unless a
24 hour or 48 hour rush is required.
Soils encountered at testhole borings will be logged and classified
in accordance with the Unified Soil Classification System during
dri 11 ing operations. Standard penetration blow counts wi 11 be
recorded during soil sampling. The standard penetration test would
consist of using a 140 pound drop hammer falling a distance of 30
inches to drive the sampler into the undisturbed soil and recording
the number of blow counts required to drive the sampler each 6 inch
increment.
Personnel involved in collecting the soil samples and classifying
the sioils will be under the direct supervision of the project
engineer and fully experienced in the field of environmental and
geote1chnical dri 11 ing.
8
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Li~hologic descrip~ions ~o be included in ~he borehole log are:
Soil ~ype; color; mois~ure descrip~ion; grain size and shape;
compac:tness or hardness; cohesi veness; grading; ex~en~ of
wea~ht~ring or frac~uring; and samp 1 e odor. Dri 11 ing ra~es,
s~andéird penetra~ion ~ests, HNU P. I. Me~er readings, sample numbers
and percen~ recovery of ~he samples wi 11 also by no~ed in ~he
borehole field log.
Tes~h()le Borinq Soil Containment and Abandonmen~
Durin~t dri 11 ing operations, ~he soi 1 cut~ings wi 11 be placed on and
covered wi~h 4 mil. black plastic.
The soil cu~~ings will remain on-site in an area ~ha~ is no~
acces!:!ible to the pub 1 ic. The soi 1 cu~~ings wi 11 be labeled
indicating ~he boring number and es~ima~ed dep~h of soil cu~~ings.
Af~er the augers are removed, the tes~hole boreholes wi 11 be
backfilled wi~h a 7-sack sand cemen~ slurry.
The sc)i 1 cu~~ings wi 11 remain on-s i te un~i 1 labora~ory ~est resul ~s
on 5011 samples are avai lable. Af~er review of ~he laboratory ~es~
results, appropriate disposal of the soil in each barrel can be
de~ermined.
Our field inves~igation will be conducted in accordance wi~h
approved state of California LUFT Manual Recommenda~ions, E.P.A.
and Kern County Heal~h Depar~men~ Regulations and A.S.T.M. Tes~
Methods.
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GRAB t3ROUND WATER SAMPLING PROCEDURES
If H: is de1:ermined 1:ha1: ground wa1:er has been impac1:ed by
gaso1:ine, a grab sample will be collec1:ed 1:hrough 1:he hollow s1:em
augers. A 1.7 x 3.0 acrylic bailer will be used to collect the
samp lie. The augers wi 11 be rai s ed approximate 1 y 5 feet to a 11 ow
water to enter the borehole prior to collec1:ing the water sample.
The w~ter sample will be 1:ransferred into 2 s1:erilized glass, 40
mI. V.O.A. sample containers.
The sample will be immedia1:ely
sealed in the field insuring tha1: no air bubbles occur af1:er the
con1:a:iner lid is placed over the sample containers. The samples
will be labeled appropria1:ely in the field. Labels will include:
Samplte 10ca1:ion; depth; da1:e; time; job number; and field
ident:ifica1:10n number.
Samples will be placed immediately in an insulated storage
con1:a:iner con1:aining blue ice. The tempera1:ure inside the s1:orage
con1:a:iner will be máintained a1: 4 degrees Celsius/39.2 degrees
Fahrenhei 1: and moni 1:ored wi 1:h a 1:hermome1:er 1:0 insure 1:hat 1:he
tempera1:ure remains cons1:an1:.
The s1:orage con1:ainer wi 11 al so
include a labora1:ory prepared 1:ravel blank 1:0 insure 1:ha1: cross
con1:arnina1:ion does no1: occur. The 1:ravel blank will be placed in
with 1:he sample containers and will be analyzed if 1:he wa1:er
samples indica1:e de1:ec1:able levels of gasoline fuel cons1:i1:uen1:s.
A chain of cus1:ody record will accompany 1:he samples.
Chain of
cus1:ody records will include: Sample 10ca1:ion; dep1:h; da1:e; time;
job number; field iden1:ifica1:ion number; analysis required and
In
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p~rsonnel collecting samples. A field log book will be maintained
containing essentially the same information as the chain of custody
record with the addition of any fie ld observations about the
sample.
Water samples will be delivered to a state Certified hazardous
waste testing laboratory within 24 hours after the sample is
collected.' The temperature will be maintained at 4 degrees
Celsius/39.2 degrees Fahrenheit in the insulated storage container
prior to delivery to the laboratory.
Once the samples are delivered to the laboratory, the chain of
custo,dy wi 11 be signed by the laboratory indicating that possession
of the samples has changed. The water samples will be analyzed
with the required 7-day period following collection unless a 24
hour or 48 hour rush is required.
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:LABORATORY ANALYSIS:
Soil and water samples collected from the testholes/ground water
¡grab samples will be transferred to a State Certified Laboratory
to perform the analysis required. Selected soil samples will be
,analyzed by B.C. Laboratories, Inc., of Bakersfield, CA. The
following number of tests are anticipated:
TABLE 1
TEST METHODS AND DETECTION LIMITS
FOR LABORATORY ANALYSES
SOIL
DESCRIPTION
PROPOSED NO. OF
SAMPLES TO BE
ANALYZED
MIN.REPORTING
LEVEL, MICRO-
GRAMS PER GRAM
PPM
Total Petroleum
Hydrocarbons (gasoline)
F.I.D. Calif. DOHS Luft Manual
15
1.0
BTX&E (EPA 3810/8020)
15
0.1
Organic Lead
Calif. DOHS Luft Manual
(leaded gas)
2
1.0
EDB
2
0.1
WATER (if necessary)
MIN. REPORTING
LEVEL, MICRO-
GRAMS PER
LITER,PPB
:BTX (5030/8020)
1
0.5
Total Petroleum Hydrocarbons
(602)
1
50
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We hope that the proposed ~ork plan is acceptable. Please see the
attached Health and Safety Plan.
Also attached is a testhole
borin,g location map (Figure 2) and vicinity map (Figure 1) of the
subj e,ct site.
If Y01.l should have any questions or if modifications are necessary,
please contact this office.
Sincerely,
ASSOCIATED SOILS ANALYSIS
Jt;)~~;{4 ~
Wayn~ F. Harris
R.C.E. 15342, Exp. 3-31-93
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REVISED
HEALTH AND SAFETY PLAN
FOR
PENCE PETROLEUM COMPANY
N.E. CORNER OF BEALE AVENUE
AND EAST TRUXTUN
BAKERSFIELD, CALIFORNIA
¡GENERAL STATEMENT
The site characterization for Pence Petroleum Company,
901 E. Truxtun, Bakersfield, California is being conducted to
assess the vertical and latereal limits of on-site soil
contamination. For preliminary assessment of contamination, three
(3) testhole borings will be drilled. The soil sampling program
wi 11 inc 1 ude soi 1 cores, chemical analyses, grab samples, soi 1
moisture measurements, and field screening by photoionization
detector (PID).
Detailed descriptions of borehole and drilling
information will also be maintained.
Decontamination procedures
and heal th and safety measures conforming to Leve 1 D wi 11 be
followed.
Results from data analyses will be the basis of planning the
subsequent investigation phase.
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HAZARD EVALUATION
This hazard evaluation is directed toward those volatile organic
compo1~nds which based on data gathered to date, are known or
suspet::ted to be present at sampl ing locations, they being:
Benzene, Ethylbenzene, Toluene, Total Xylenes, Isopropylbenzene,
Tota I Petro I ewn Hydrocarbons, Organi c Lead, and Ethy I ene D ibromi de .
The U.S. Environmental Protection Agency (EPA) (1985) had defined
levels of protection in order to provide a standard vocabulary to
describe personal protection equipment. The four levels afford
varying degrees of respiratory protection, dermal protection, and
protection from traumatic injury. The four levels are summarized
as follows:
Level A consists of a totally encapsulated, chemically
protective suit with self-contained breathing apparatus.
Level B provides maximal respiratory protection through
use of supplied air or self-contained breathing apparatus;
the level of dermal protection is selected on the basis
of anticipated hazards.
Level C incorporates an air-purifying respirator which
is specific to the contaminant(s) of concern; the degree
of dermal protection depends on anticipated dermal
hazards.
Level D is basically a work uniform including hard hats,
gloves and safety boots.
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If the Safety Supervisor determines that hazardous or potentially
hazardous conditions exist, they may require upgrading of the
protection level from Level D to Level C. The Safety Supervisor
also has the authority to stop all sampling-related work until
adequate protection is provided for all workers, or until site
hazards are mitigated. Safety equipment required for Level C
inclu.des air purifying respirators, chemical resistant clothing,
gloves, boot covers, and hard hats.
The Safety Supervisor may require the use of portable field
monit:oring equipment such as an organic vapor analyzer in order to
determine whether respiratory protection is necessary;
The :following sections of the Health and Safety Plan describe
safet:y equipment, decontamination procedures, and work I imi tations
for sampl ing operations under Protection Level D. Emergency
proce~dures in the event of personal exposure, injury, or explosion
are éil so inc I uded for all operations, regard I ess of protection
level. A separate section is provided describing Protection Level
C safety equipment, decontamination procedures, personal
precautions and site access. Protection Level C procedures will
be followed if the Safety Supervisor determines that site hazards
or potential site hazards warrant this level of protection.
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SAFETY EQUIPMENT
Safety equipment required for Protection Level D includes hard hats
and bc:>ots. Hard hats wi 11 be worn during all dri 11 ing operations.
Additional equipment available to the investigative team includes
earplugs, disposable coveralls and boots, chemical-resistant
gloves, and safety goggles. Use of this additional equipment shall
be de"termined by the Safety Supervisor based on site conditions.
EQUIP]~ENT
The following equipment will be available for Protection Level D
work:
Protective Clothing
AF-15 Pioneer nitrile gloves
Tyvek coveralls, hoods, and boots
Visual
Uvex 19300 dust & chemical goggles
Heari]~
Moldex pura-foam ear plugs
Miscellaneous
16 unit first aid kit
Barrier cream
Hard hats'"
'" Har.d hats are mandatory during all drilling operations.
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DECONTAMINATION AND DISPOSAL
Although the hazard evaluation indicated that harmful exposure to
hazar~ous compounds in soils or groundwater is not likely to occur
during the investigation, personnel decontamination accomplished
by gClod personal hygiene practices should be followed to limit
potential exposure to contaminants. Personnel decontamination is
required prior to all breaks and meals, and at the end of the day.
Decontamination of individuals will be accomplished by soap and
water washing followed by a clean water rinse. When used,
protective clothing, gloves, or goggles will be removed and stored
in plastic bags prior to all breaks and meals. At the end of the
day, disposable gloves, coveralls, and boots will be collected in
plastic bags for disposal, and non-disposable protective equipment
such as safety goggles will be decontaminated by soap and water
washing followed by a clean water rinse.
Procedures for disposal of investigation-derived materials have
been established in accordance with federal and state hazardous
waste regulations. Investigation-derived materials include soil
cuttings and development water from monitor well drilling
opera't.i ons .
If waste derived from investigation activities are determined by
laboratory analys,is to be hazardous, then disposal of those wastes
will be conducted in compliance with EPA's interim policy
"Proct~dure for Planning and Implementing Off-site Response Actions"
(Federal Register, 1985), as follows:
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Trea'i:lII1en'i:
Trea'i:rnen'i:, reuse, or recycling of hazardous was'i:es will be
consiciered in 'i:he removal of inves'i:iga'i:ion-derived hazardous
ma'i:er:ials.
Selection of Off-si'i:e Trea'i:men'i: or Disposal Facili'i:y
Selection of an appropria'i:e facili'i:y for off-si'i:e managemen'i: of
inves'~iga'i:ion-derived hazardous was'i:es will be based on 'i:he
follolflÍng requirements:
1. The owner or operator of any hazardous waste managemen'i:
:facili'i:y under considera'i:ion mus'i: have a RCRA permi'i:
.a.pplicable 'i:o specific was'i:es and specific s'i:orage, 'i:rea'i:men'i:,
or disposal processes.
2. ;/\ RCRA compl iance inspection must be performed a'i: 'i:he off-si'i:e
:faci 1 i ty 'i:o receive investigation-derived hazardous wastes not
more 'i:han six mon'i:hs before receiving such wastes.
3. ;/\ny land disposal fac i 1 i'i:y receiving inves'i:igation-deri ved
hazardous wastes must meet RCRA minimum technical requirements
per the Hazardous and Solid Waste Amendmen'i:s of 1984. These
technical requirements include ground water moni'i:oring and
liner and leacha'i:e collection system standards.
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Manifest Requirements
Investigation-derived hazardous material transported to an off-site
storage, treatment, or disposal site will be accompanied by a
Uniform Hazardous Waste Manifest, in compliance with requirements
in the Code of Federal Regulations, 40 CFR 262.
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PERSONAL PRECAUTIONS
:e:ating, drinking chewing gum or tobacco smoking or any
practice that increases the probabi 1 i ty of hand-to-mouth
·transfer and ingestion of material should be avoided during
d.rilling and soil sampling activities.
Hands and face should be thoroughly washed upon leaving the
'¡-¡ork area.
Contact with contaminated or suspected contaminated surfaces
should be avoided. Whenever possible, do not walk through
puddles, leachate, or discolored surfaces; kneel on ground;
or lean, sit, or place equipment on drums, containers, or the
ground.
:Medicine and alcohol can magnify the effects from exposure to
toxic chemicals. Prescribed drugs should not be taken by
personnel unless specifically approved by a qualified
physician.
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EMERGENCY PROCEDURES
IN THE EVENT OF PERSONAL EXPOSURE
Call the Safety Supervisor to the scene immediately.
Immediately remove any clothing that' becomes contaminated.
Promptly wash with soap and flush with clean water.
Determine the material involved.
Don't expose self or others to the materials unnecessarily.
Stay upwind, control access to the area, and wear the
appropriate protective equipment.
Remove people from the contaminated area. Wear the
appropriate protective equipment and don't charge in blindly.
Administer first aid, in necessary.
If the incident warrants, the Safety Supervisor must call the
appropriate emergency services. See the list of emergency
phone numbers in the next section. The emergency care
facilities are indicated on Figure lA.
Record information on the exposure.
IN THE EVENT OF PERSONAL INJURY
Call the Safety Supervisor to the scene immediately.
Remove people from dangerous area or equipment.
Administer first aid, if necessary.
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:[f the incident warrants, the Safety Supervisor must cal'! the
appropriate emergency services. See the list of emergency
phone numbers in the next section. The emergency care
facilities are indicated on Figure lA.
IN TH]~ EVENT OF FIRE OR EXPLOSION
Evacuate personnel from area of danger.
Call the Safety Supervisor to the scene immediately.
Administer first aid if necessary.
The Safety Supervisor shall:
Notify the Fire Department.
Contact the local hospital immediately when a major fire
starts, advising them of the chemicals involved and the
Poison Control Center to be contacted.
Keep personnel out of the smoke or mist created by the
fire and hose streams. Immediately evacuate areas in the
path of smoke.
See emergency phone numbers in the following section.
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EMERGENCY SERVICES
Loca:tion:
Telephone:
Ambulance
Hall Ambulance Service
1001 21st Street
Bakersfield, CA
805-327-4111
Emergency Medical Facility
Kern Medical Center
1830 Flower Street
Bakersfield, CA
805-326-2667
Police Department
Bakersfield Police Dept.
1601 Truxton Avenue
Bakersfield, CA
911
The following is a consolidated phone list of response groups,
agencies, or other entities who may need to be contacted as a
result of implementing this plan:
County Emergency Services .
. . .
911
Fire Department Station #2
· . . . . .
· . 805-326-3962
Sheriff's Department
. . . .
· . . . . .
911
805-327-3392
Cal:l fornia Department of Health Services
. . .
· 209-445-5321
Calpi Spill Team
· . . .
· 805-589-5648
National Response Center
. . . .
· . .
· . 209-424-8802
Regional Poison Control Center
. . . .
· . 800-346-5922
Kern County Health Department . .
· . .
· . . .
· 805-861-3636
Cherntrec
..........
. . .
· 800-424-9300
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REFERENCES CITED
California Administrative Code (CAC). Title 8, Section 5155.
Code of Federal Regulations, Standards Applicable to Generators of
Hazardous Waste. Title 40, Part 262 (40 CFR 262)
Federal Register, 1985. Procedure for Planning and Implementing
Off-Site Response Actions, Vol. 50, No. 214, Tuesday,
November 5, 1985.
U.S. Department of Health and Human Services, 1985. NIOSH Pocket
Guide to ·Chemical Hazards. U.S. Government Printing Office,
Washington, D.C., September, 1985.
U.S. Environmental Protection Agency, 1985. Guidance on Remedial
Investigations Under CERCLA. June, 1985.
25
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.". Associated Soils Analysis
June 6, 1990
File No. 111-90 A.S.A.
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Flora Darling, R.E.H.S.
Resource Management Agency
Department of Environmental
Health Services
2700 M Street, Suite 300
Bakersfield, CA 93301
PROJECT: REVISED Work, Health and Safety Plan for
property located at 901 E. Truxtun Ave.
Bakersfield, California
Dear Ms. Darling:
Pursuant to your correspondence dated May 7, 1990, we have revised
our Work, Health and Safety Plan for the subject property
referenced above. Enclosed please find two copies of the revised
plan for Environmental Health Department's review.
If you have any questions or need additional information, please
call me at this office.
Sincerely,
ASSOCIATED SOILS ANALYSIS
µ~.(J~-
Wayne F. Harris
R.C.E. 15342, Exp. 3/31/93
.. ......'-'
WFH:rr
Enclosures
pc: Robb Pence, Pence Petroleum Company
1141 Batavia Ct. . Tulare, California 93274 · (209) 688-1011
e ,~
<%~
~s __/
.~
REV I SED
WORK, HEALTH AND SAFETY PLAN
FOR
PROPERTY LOCATED AT
901 E. TRUXTUN AVENUE
BAKERSFIELD, CALIFORNIA
PERMIT NO. 150029 C
PRELIMINARY SITE ASSESSMENT STUDY
FOR PETROLEUM CONSTITUENTS PRESENT IN SOIL
TABLE OF CONTENTS
SITE DESCRIPTION . . . . . . . .
SITE HISTORY .........
SCOPE OF WORK .........
FIELD INVESTIGATION PREPARATION
GROUND WATER ........
SUMMARY OF FIELD INVESTIGATION .
TESTHOLE SOIL BORINGS AND FIELD
SAMPLING GUIDELINES
GRAB GROUND WATER SAMPLING PROCEDURES
LABORATORY ANALYSIS
. . .
· . .
· . .
· . .
. . . . . .
HEALTH AND SAFETY PLAN
GENERAL STATEMENT ......
HAZARD EVAULATION ......
SAFETY EQUIPMENT ........
DECONTAMINATION AND DISPOSAL . . .
PERSONAL PRECAUTIONS
EMERGENCY PROCEDURES
EMERGENCY SERVICES
· . .
REFERENCES CITED
FIGURES
1
VICINITY
2
TESTHOLE BORING LOCATION MAP
3
EMERGENCY FACILITIES
1
1
3
3
3
4
6
10
12
14
15
17
18
21
22
24
25
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SITE I)ESCRIPTION:
The !5ubjec't proper'ty is loca'ted ,a't 901 E. Trux'ton Avenue,
Bakersfield, California (Figure 1). The si'te is loca'ted eas't of
Beale Avenue, be'tween Eas't Trux'ton Avenue and Eas't 18'th S'tree't and
is si ~:ua'ted in Sec'tion 29, Township 29 Sou'th, Range 28 Eas't, Moun't
Diablo Baseline and Meridian. A.P.N. 017-160-07.
SITE HISTORY:
The subjec't parcel is owned by Pence Pe'troleum Company and was
previ,ously opera'ted as Pence Au'toma'ted Fuels.
On November 1, 1989, soil samples were 'taken under 'three
underground fuel s'torage 'tanks and service pump island (Figure 2)
in 'the following manner:
The ~~ftWJ:~+:àn-'¡.<1wa~6~Oj)~g~1~tp!1':1<t~~d~.dr::r;::-.p"~~'~ s'torage
'tank. Sample number P1, P2, P3, and P4 were 'takena't 'the loca'tion
shown on 'the 'tes'thole boring loca'tion map (Figure 2).
The cen'ter 'tank was a 600 gallon premium unleaded gasoline s'torage
'tank. Sample numbers PS, P6, P7, and P8 were 'taken a't 'the loca'tion
shown on 'the 'tes'thole boring loca'tion map (Figure 2).
The nor'th 'tank was a 10,000 gallon unleaded gasoline s'torage 'tank.
Sample numbers P9, P10, Pl1, and P12 were 'taken a't 'the loca'tions
shown on 'the 'tes'thole boring loca'tion map (Figure 2).
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The service pump island was sampled in two locations (Figure 2).
The alpha numeric designations for these soil samples are P13, P14,
P15, and P16.
Each location beneath the underground fuel tanks and dispenser
isla.nd was sampled at depth of 2 feet and 6 feet.
The sampling was conducted by MP Vacuum of Bakersfield, California.
Laboratory analysis on soil samples was conducted by BC
Labc)ratories, Inc. of Bakersfield, California from November 2,
1989, to November 9, 1989, when the soil sample analysis was
completed.
The results of the laboratory analysis indicated the presence of
petroleum constituents concentrated at the P5, P6, P9, and PlO soil
sample locations (Figure 2). Benzene levels ranged from 2.4 ppm
in soil sample P9 to 58.81 ppm in soil sample P6. Benzene levels
of .28 ppm and .38 ppm were found to be in soil sample P1 and P2
respectively. Benzene levels were found to be non-detectable in
all other soil samples.
Total Petroleum Hydrocarbons (T.P.H.) levels in soil samples ranged
from non-detectable to 8,843.63 ppm. Again the higher levels of
T.P.H. were found to be concentrated in the area of soil samples
P5, P6, P9, and PIa.
As a result of these 1 eve 1 s of petro 1 eum constituents in soi 1
samples, Pence Petroleum Company was required to provide a site
characterization work plan proposal pursuant to a letter sent from
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the Resource Management Agency, . Depart:men-t: of Environmental
Servic:es on March 2, 1990, to Pence Petroleum Company.
SCOPE OF WORK:
The work to be provided will be conducted in accordance with the
Calif()rnia LUFT Manual Recommendations, E.P.A. Regulations,
A.S.T.M.
Test Methods and Kern County Health Department
Requirements.
Work :apecified at the site involves soil boring and soil sampling.
Additional water information will be collected if it is determined
that ground water may have been impacted by petroleum constituents
originating from this site as a result of our field investigation.
~IELD INVESTIGATION PREPARATION:
J
Underground utility locations will be located and marked at the
site by Underground Services Alert (USA) prior to drilling
opera,tions. Testhole borings will be probed to a depth of four (4)
feet to further alleviate the possibility of damaging any
underground utilities or obstructions.
Any obstructions that may interfere with access to testhole boring
locations will be moved or relocated, if necessary, prior to the
field investigation.
GROUND WATER:
The estimated depth to ~~na~wa~.~, below the site, is
apprClximatelyfl'm5"~:::tl)-x.2JW1~.t@,,,~~&:·Below ground surface. The nearest
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water wells in the area are located as follows: one well between
Baker street and Kern street with the depth to water 184': one well
on Beale Avenue, north of California Blvd. with the depth to water
186': and one well between Tulare street and Kern street in the
I ~
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Truxton area with the depth to water 200'. This information was
provided by Cal ifornia Water Services on Apri I 27, 1989. The
regional ground water gradient is to the southwest, per information
furnished by the Kern County Water Agency (Tom Haslebacher).
SUMMARY OF FIELD INVESTIGATION:
\)
'If ,___
t) r--We propose to drill 3 testhole borings located in the immediate
area of the three (3) previously removed fuel tanks and fuel
Number of testhole borings
dispenser island. See attached testhole boring location map for
proposed testhole boring locations (Figure 2).
One testhole boring (Bl) will be located in the vicinity where the
highest levels of petroleum constituents were indicated as a result
of laboratory analysis of P5 and P6.
The remaining 2 testholes
will be situated around the perimeter as follows:
Testhole boring B2 will be positioned to indicate the levels of
petroleum constituents southwest of Testhole Boring Bl. Soil
samples taken under the 600 gallon leaded regular gasoline tank
indicated levels of T.P.H. to be substantially dropping in samples
taken at 2 feet to samples taken at 6 feet below the bottom of the
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tank. The Benzene 1 eve 1 s, as we 11 as other petro 1 eum constituents,
were also dropping or non-detectable.
This would indicate this
area was impacted by petroleum constituents as a result of
overspilling during the tank filling process. This testhole boring
is located to determine the boundaries of the petroleum
constituents concentrated around Testhole Boring Bl and serve as'
a check for petroleum constituents at greater depths originating
(~
from the south 600 gallon underground fuel tank.
Testhole Boring B3 is locate~ northeast of Testhole Boring Bl and
is positoned to serve two purposes in the same manner as Testhole
Boring B2. Laboratory analysis of soil samples P13, P14, P15, and
P16 indicated non-detectable levels of Benzene with T.P.H. levels
being relatively low with respect to levels at Testhole Boring Bl.
These levels could indicate that petroleum constituents impacted
these soi 1 samples as a result of site wash-down or gasol ine
spillage during service pump maintenance (filter changes). The
primary purposes of this testhole boring would be to determine if
a leak occurred in the area of the fuel dispenser island near the
east end.
Soil sample P6 indicated a T.P.H. level of 65.55 with
,
a non-detectable Benzene level. The secondary purpose would be to
determine if the petroleum constituent concentrated at Testhole
Boring Bl extend in this easterly direction at greater depths.
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TESTHOLE SOIL BORINGS AND FIELD SAMPLING GUIDELINES
DRILLING METHOD:
òK
We propose to use a truck-moun-i;ed Mobile B-80 drill rig with 8 1/2"
outside diameter, 4 1/4" r.D. hollow stem augers AASHTO Designation·
T251-77. The augers will be steam cleaned prior to drilling each
testhole at the site.
Total Depth of Testhole Borings
The total depth will not extend through the first aquifer
encountered.
The upper most aquifer is expected to be at
approximately 180 to 200 feet below ground surface.
Field Soil Sampling Procedures and Soil Classification
conditions warrant, starting at 5 feet below the ground surface.
O(
Soil samples will be collected at ~foot de~th intervals, as field
---
The soil samples will be collected using a 2" inside diameter by
18" long split spoon sampler. Two inch outside diameter by 6" long
brass sample tubes will be inserted into the sampler prior to use.
The sample tubes will be pre-cleaned by steam and Trisodium
Phosphate (T.S.P.) detergent wash and distilled water prior to use
and stored in clean plastic bags before inserting into the sampler.
The split spoon sampler will also be cleaned using the same
methods, as previously described, between each sample interval.
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After the soil sample is collected, the sample tube from the bottom
of the sampler will be immediately sealed in the field by placing
teflon covers over the open end of the tube and placing a plastic
cap over the teflon cover. An adhesive tape will be placed around
the plastic cap to insure that the cap is secured and an airtight
seal is maintained.
All soil samples will be labeled appropriately in the field.
Labels will include: sample location; depth; date; time; job
number; and field identification number. Samples will be placed
immediately in an insulated storage container containing blue ice.
The temperature inside the storage container will be maintained at
4 degrees Celsius/39.2 degrees Fahrenheit and monitored with a
thermometer to insure that the temperature remains constant.
~
A chain of custody record will accompany the samples. Chain of
custody records will include: sample location; depth; date; time;
job number; and field identification number, analysis required and
personnel collecting samples. A field log book will be maintained
containing essentially the same information as the chain of custody
record with the addition of any fie ld observations about the
sample.
The middle tube sample from the split spoon sampler or the soil
from the sampler shoe will be placed in sealed glass containers.
After approximately one half hour, a field reading will be ~aken
using the H.N.U. 101 Photoionization Meter. The field readings
will be recorded and used to determine the levels of fuel
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contamination encountered in the testho1e and also assist in
se1ect:ing the soil samples to be analyzed in the laboratory.
Soil samples will be delivered to B.C. Laboratories, Inc., a state
Certified hazardous waste testing laboratory, within 24 hours after
the sample is collected. The temperature will be maintained at 4
degrees Celsius in the insulated storage container prior to
delivering to the laboratory.
Once the samples are delivered to the laboratory, the chain of
custody will be signed by the laboratory indicating that possession
of the samples has changed.
The soil samples will be analyzed
within the required 14-day period following collection, unless a
24 hour or 48 hour rush is required.
Soils encountered at testho1e borings will be logged and classified
in accordance with the Unified Soil Classification System during
dri 11 ing operations.
standard penetration blow counts wi 11 be
q
f", '/
g\..-,.
recorded during soil sampling. The standard penetration test would
consist of using a 140 pound drop hammer falling a distance of 30
inches to drive the sampler into the undisturbed soil and recording
the number of blow counts required to drive the sampler each 6 inch
increment.
Personnel involved in collecting the soil samples and classifying
the soi Is wi 11 be under the direct supervision of the project
engineer and fully experienced in the field of environmental and
geotechnical drilling.
8
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"'-
Lithologic descriptions to be included in the borehole log are:
Soil 'I:ype; color; moisture description; grain size and shape;
compactness or hardness; cohesiveness; grading; extent of
weathering or fracturing; and sample odor. Drilling rates,
standard penetration tests, HNU P.I. Meter readings, sample numbers
and percent recovery of the samples will also by noted in the
borehole field log.
Testhole Boring Soil Containment and Abandonment
During drilling operations, the soil cuttings will be placed on and
covered with 4 mil. black plastic.
'~\L
The soi 1 cuttings wi 11 remain on-s1 te in an area that is not
accessible to the public.
The soil cuttings will be labeled
indicating the boring number and estimated depth of soil cuttings.
After the augers are removed, the testhole boreholes wi 11 be
backfilled with a 7-sack sand cement slurry. c>\~
The soil cuttings will remain on-site until laboratory test results
on soi 1 samples are avai lable. After review of the laboratory test
results, appropriate disposal of the soil in each-barrel can be
'"
determined.
.~ \ ------
-'"
Our field investigation will be conducted in accordance with
approved State of California LUFT Manual Recommendations, E.P.A.
and Kern County Health Department Regulations and A.S.T.M. Test
Methods.
9
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GRAB GROUND WATER SAMPLING PROCEDURES
If it is de-t:ermined -t:ha-t: ground wa-t:er has been impac-t:ed by
gasoline, a grab sample will be collec-t:ed -t:hrough -t:he hollow s-t:em
augers. A 1.7 x 3.0 acrylic bailer will be used -t:o collec-t: -t:he
sample. The augers will be raised approxima-t:ely 5 fee-t: -t:o allow
wa-t:er -t:o enter the borehole prior -t:o collecting the water sample.
The wa-t:er sample will be transferred into 2 s-t:erilized glass, 40
mI. V.O.A. sample containers. The sample will be imrnedia-t:ely
sealed in the field insuring tha-t: no air bubbles occur af-t:er the
con-t:ainer lid is placed over the sample containers. The samples
will be labeled appropriately in the field. Labels will include:
Sample loca-t:ion; depth; da-t:e; time; job number; and field
identifica-t:ion number.
Samples will be placed immediately in an insulated s-t:orage
container con-t:aining blue ice. The temperature inside the storage
con-t:ainer wi 11 be maintained at 4 degrees Celsiusj39. 2 degrees
Fahrenheit and monitored wi-t:h a thermometer to insure that the
temperature remains constant. The storage container will also
include a laboratory prepared travel blank to insure that cross
contamination does not occur. The travel blank will be placed in
wi-t:h the sample containers and will be analyzed if the water
samples indicate de-t:ectable levels of gasoline fuel constituen-t:s.
A chain of custody record will accompany the samples. Chain of
cus-t:ody records will include: Sample loca-t:ion; dep-t:h; da-t:e; time;
job number; field identification number; analysis required and
10
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.,
personnel collecting samples. A field log book wilJ be maintained
conta:lning essentially the same information as the chain of custody
record with the addition of any fie ld observations about the
sample.
Water samples will be delivered to a state Certified hazardousG ... \
l \ (\ L;~
waste testing laboratory wi thin 24 hours after the sample is ~c.'~ ~\c,' 'J,r
collected. The temperature will be ,maintained at 4 degrees ~
Celsius/39.2 degrees Fahrenheit in the insulated storage container
prior to delivery to the laboratory.
Once the samples are delivered to the laboratory, the chain of
custody will be signed by the laboratory indicating that possession
of the samples has changed.
The water samples will be analyzed
with the required 7-day period following collection unless a 24
hour or 48 hour rush is required.
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LABORATORY ANALYSIS:
Soil and water samples collected from the testholes¡ground water
grab samples will be transferred to a State Certified Laboratory
to perform the analysis required. Selected soil samples will be
ana 1 yz ed by ~;;I La:bòr-a-€&¥!-:e:~ ,Q~::;"'ð-f~Bcïkêr!¥':f~ CA. The
following number of tests are anticipated:
TABLE 1
TEST METHODS AND DETECTION LIMITS
FOR LABORATORY ANALYSES
SOIL
DESCRIPTION
PROPOSED NO. OF
SAMPLES TO BE
ANALYZED
MIN.REPORTING
LEVEL, MICRO....
GRAMS PER GRAM
PPM
Total Petroleum
Hydrocarbons (gasoline)
F.I.D. Calif. DOHS Luft Manual
15
1.0
BTX&E (EPA 3810¡8020)
15
0.1
-'
/J
.l'~, ,/
""=
2
1.0
Or.gan'±c-,-i2L,ea:d~fJ
Calif. DOHS Luft Manual
(leaded gas)
"EDB'/ :¡
2
0.1
WATER (if necessary)
MIN. REPORTING
LEVEL, MICRO-
GRAMS PER
LITER,PPB
BTX (5030/8020)
1
0.5
Total Petroleum Hydrocarbons
(602)
1
50
1?
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We hope that the proposed work plan is acceptable. Please see the
attached Health and Safety Plan.
Also attached is a testhole
boring location map (Figure 2) and vicinity map (Figure 1) of the
subject site.
If you should have any questions or if modifications are necessary,
please contact this office.
Sincerely,
ASSOCIATED SOILS ANALYSIS
;0~ ¡;~rJ~
Wayne F. Harris
R.C.E. 15342, Exp. 3-31-93
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REVISED
HEALTH AND SAFETY PLAN
FOR
PENCE PETROLEUM COMPANY
N.E. CORNER OF BEALE AVENUE
AND EAST TRUXTUN
BAKERSFIELD, CALIFORNIA
GENERAL STATEMENT
The site characterization for Pence Petroleum Company,
901 E. Truxtun, Bakersfield, California is being conducted to
assess the vertical and latereal
limits of on-site soil
contamination. For preliminary assessment of contamination, three
(3) testhole borings will be drilled. The soil sampling program
will include soil cores, chemical analyses, grab samples, soil
moisture measurements, and field screening by photoionization
detector (PID).
Detailed descriptions of borehole and drilling
information will also be maintained.
Decontamination procedures
and health and safety measures conforming to Level D will be
followed.
Results from data analyses will be the basis of planning the
subsequent investigation phase.
14
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HAZARD EVALUATION
This hazard evaluation is directed toward those volatile organic
compounds which based on data gathered to date, are known or
suspected to be present at sampling locations, they being:
Benzene, Ethylbenzene, Toluene, Total Xylenes, Isopropylbenzene,
Total Petroleum Hydrocarbons, Organic Lead, and Ethylene Dibromide.
The U.S. Environmental Protection Agency (EPA) (1985) had defined
levels of protection in order to provide a standard vocabulary to
describe personal protection equipment. The four levels afford
varying degrees of respiratory protection, dermal protection, and
protection from traumatic injury. The four levels are summarized
as follows:
Level A consists of a totally encapsulated, chemically
protective suit with self-contained breathing apparatus.
Level B provides maximal respiratory protection through
use of suppl ied air or sel f-contained breathing apparatus;
the level of dermal protection is selected on the basis
of anticipated hazards.
Level C incorporates an air-purifying respirator which
is specific to the contaminant(s) of concern; the degree
of dermal protection depends on anticipated dermal
hazards.
Level D is basically a work uniform including hard hats,
gloves and safety boots.
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If the Safety Supervisor determines that hazardous or potentially
hazardous conditions exist, they may require upgrading of the
protection level from Level D to Level C. The Safety Supervisor
also has the authority to stop. all sampling-related work until
adequate protection is provided for all workers, or until site
hazards are mitigated. Safety equipment required for Leve I C
includes air purifying respirators, chemical resistant clothing,
gloves, boot covers, and hard hats.
The Safety Supervisor may require the use of portable field
monitoring equipment such as an organic vapor analyzer in order to
determine whether respiratory protection is necessary.
The following sections of the Health and Safety Plan describe
safety equipment, decontamination procedures, and work limitations
for sampling operations under Protection Level D. Emergency
procedures in the event of personal exposure, injury, or explosion
are al so inc I uded for all operations, regardless of protection
level. A separate section is provided describing Protection Level
C safety equipment, decontamination procedures, personal
precautions and site access. Protection Level C procedures will
be followed if the Safety Supervisor determines that site hazards
or potential site hazards warrant this level of protection.
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SAFETY EQUIPMENT
Safety equipment required for Protection Level D includes hard hats
and boots. Hard hats will be worn during all drilling operations.
Additional equipment available to the investigative team includes
earplugs, disposable coveralls and boots, chemical-resistant
gloves, and safety goggles. Use of this additional equipment shall
be determined by the Safety Supervisor based on site conditions.
EQUIPMENT
The following equipment will be available for Protection Level D
work:
Protective Clothing
AF-15 Pioneer nitrile gloves
Tyvek coveralls, hoods, and boots
Visual
Uvex #9300 dust & chemical goggles
Hearing
Moldex pura-foam ear plugs
Miscellaneous
16 unit first aid kit
Barrier cream
Hard hats*
* Hard hats are mandatory during all drilling operations.
17
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DECONTAMINATION AND DISPOSAL
Although the hazard evaluation indicated that harmful exposure to
hazardous compounds in soils or groundwater is not likely to occur
during the investigation, personnel decontamination accomplished
by good personal hygiene practices should be followed to limit
potential exposure to contaminants. Personnel decontamination is
required prior to all breaks and meals, and at the end of the day.
Decontamination of individuals will be accomplished by soap and
water washing followed by a clean water rinse. When used,
protective clothing, gloves, or goggles will be removed and stored
in plastic bags prior to all breaks and meals. At the end of the
day, disposable gloves, coveralls, and boots will be collected in
plastic bags for disposal, and non-disposable protective equipment
such as safety goggles wi 11 be decontaminated by soap and water
washing followed by a clean water rinse.
Procedures for disposal of investigation-derived materials have
been established in accordance with federal and state hazardous
waste regulations. Investigation-derived materials include soil
cuttings and development water from monitor well drilling
operations.
If waste derived from investigation activities are determined by
laboratory analysis to be hazardous, then disposal of those wastes
will be conducted in compliance with EPA's interim policy
"Procedure for Planning and Implementing Off-site Response Actions"
(Federal Register, 1985), as follows:
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Tr9atmen~ t>~
Trea~men~, reuse, or recycling of hazardous was~es will be
considered in ~he removal of inves~iga~ion-derived hazardous
ma~erials.
Selec~ion of Off-si~e Trea~men~ or Disposal Facili~v
Selec~ion of an appropria~e facili~y for off-si~e managemen~ of
inves~iga~ion-derived hazardous was~es will be based on ~he
following requiremen~s:
1. The owner or opera~or of any hazardous was~e managemen~
facili~y under considera~ion mus~ have a RCRA permi~
applicable ~o specific was~es and specific s~orage, ~rea~men~,
or disposal processes.
2. A RCRA compl iance inspec~ion mus~ be performed a~ ~he off-si ~e
faci I i ~y ~o recei ve inves~iga~ion-deri ved hazardous was~es no~
more ~han six mon~hs before receiving such was~es.
3. Any land disposal facili~y receiving inves~iga~ion-derived
hazardous was~es mus~ meet RCRA minimum ~echnical requiremen~s
per ~he Hazardous and Solid Was~e Amendmen~s of 1984. These
~echnical requiremen~s include ground wa~er moni~oring and
liner and leacha~e collec~ion sys~em s~andards.
19
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Kanifes~ Reguiremen~s,~~
Investigation-derived hazardous material transported to an off-site
storage, treatment, or disposal site will be accompanied by a
Uniform Hazardous Waste Manifest, in compliance with requirements
in the Code of Federal Regulations, 40 CFR 262.
20
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PERSONAL PRECAUTIONS
Eating, drinking, chewing gum or tobacco, smoking, or any
practice that increases the probability of hand-to-mouth
transfer and ingestion of material should be avoided during
drilling and soil sampling activities.
Hands and face should be thoroughly washed upon leaving the
work area.
Contact with contaminated or suspected contaminated surfaces
should be avoided. Whenever possible, do not walk through
puddles, leachate, or discolored surfaces; kneel on ground;
or lean, sit, or place equipment on drums, containers, or the
ground.
Medicine and alcohol can magnify the effects from exposure to
toxic chemical s . Prescribed drugs should not be taken by
personnel unless specifically approved by a qualified
physician.
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EMERGENCY PROCEDURES
IN THE EVENT OF PERSONAL EXPOSURE
Call the Safety Supervisor to the scene immediately.
Immediately remove any clothing that' becomes contaminated.
Promptly wash with soap and flush with clean water.
Determine the material involved.
Don't expose self or others to the materials unnecessarily.
stay upwind, control access to the area, and wear the
appropriate protective equipment.
Remove people from the contaminated area. Wear the
appropriate protective equipment and don't charge in blindly.
Administer first aid, in necessary.
If the incident warrants, the Safety Supervisor must call the
appropriate emergency services. See the list of emergency
phone numbers in the next section. The emergency care
facilities are indicated on Figure lA.
Record information on the exposure.
IN THE EVENT OF PERSONAL INJURY
Call the Safety Supervisor to the scene immediately.
Remove people from dangerous area or equipment.
Administer first aid, if necessary.
22
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.
If the incident warrants, the Safety Supervisor must call the
appropriate emergency services. See the list of emergency
phone numbers in the next section. The emergency care
facilities are indicated on Figure lA.
IN THE EVENT OF FIRE OR EXPLOSION
Evacuate personnel from area of danger.
Call the Safety Supervisor to the scene immediately.
Administer first aid if necessary.
The Safety Supervisor shall:
Notify the Fire Department.
Contact the local hospital immediately when a major fire
starts, advising them of the chemicals involved and the
Poison Control Center to be contacted.
Keep personnel out of the smoke or mist created by the
fire and hose streams. Immediately evacuate areas in the
path of smoke.
See emergency phone numbers in the following section.
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EMERGENCY SERVICES
Location:
Telephone:
Ambulance
Hall Ambulance Service
1001 21st Street
Bakersfield, CA
805-327-4111
Emergency Medical Facility
Kern Medical Center
1830 Flower Street
Bakersfield, CA
805-326-2667
Police Department
Bakersfield Police Dept.
1601 Truxton Avenue
Bakersfield, CA
911
The following is a consolidated phone list of response groups,
agencies, or other entities who may need to be contacted as a
result of implementing this plan:
County Emergency Services .
. . . . .
911
Fire Department Station #2
· 805-326-3962
Sheriff's Department
911
805-327-3392
California Department of Health Services
. . .
· 209-445-5321
Calpi Spill Team
. . .
805-589-5648
National Response Center
. . .
209-424-8802
Regional Poison Control Center
. . .. ...
800-346-5922
Kern County Health Department .
........
· 805-861-3636
Chemtrec
. . . . . . . . . . . .
. . .
. . 800-424-9300
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REFERENCES CITED
California Adminis~ra~ive Code (CAC). Ti~le 8, Sec~ion 5155.
Code of Federal Regula~ions, S~andards Applicable ~o Genera~ors of
Hazardous Was~e. Ti~le 40, Par~ 262 (40 CFR 262)
Federal Regis~er, 1985. Procedure for Planning and Implemen~ing
Off-Si~e Response Ac~ions, Vol. 50, No. 214, Tuesday,
November 5, 1985.
U.S. Depar~men~ of Heal~h and Human Services, 1985. KIOSH Pocke~
Guide ~o Chemical Hazards. u.S. Governmen~ Prin~ing Office,
Washing~on, D.C., Sep~ember, 1985.
u.S. Environmen~al Pro~ec~ion Agency, 1985. Guidance on Remedial
Inves~igations Under CERCLA. June, 1985.
i
,
, '
25
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WORK, HEALTH AND SAFETY PLAN
FOR
PROPERTY LOCATED AT
901 E. TRUXTUN AVENUE
BAKERSFIELD, CA
PERMIT NO. 150029 C
~
FOR
PENCE PETROLEUM COMPANY
2700 WEAR STREET
BAKERSFIELD, CA 93308
APRIL 30, 1990
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April 30, 1990
File No. 1741-90 C.T.L.
111-90 A.S.A.
Flora Darling
Kern County Health Department
Division of Environmental Health
2700 "M" street, Suite 300
Bakersfield, CA 93301
Project: Property located at 901 E. Truxtun Avenue
Bakersfield, California, Permit No. 150029 C
Subject: Preliminary Site Assessment Study for
petroleum constituents present in soil
Dear Ms. Darling:
In accordance with the request from Robb Pence of Pence Petroleum
Company to perform a preliminary site assessment study at the
project site, we are submitting the following work plan for your
review. The purpose of our investigation is to define the lateral
and vertical extent of petroleum constituents present in soil, and
determine if ground water is impacted by these constituents.
The following work plan is intended to provide additional
information to further assess petroleum constituents in the soil
at the site that possibly originated from the three (3) previously
removed underground fuel storage tanks and related gasoline lines
and pumps. A Work, Health and Safety Plan is included to address
site safety concerns.
Sincerely,
ASSOCIATED SOILS ANALYSIS
Jl()~D- T~~
Way F. Harris
R.C.E. 15342, Exp. 3-31-93
WFH : 1 e
Enclosures
pc: Robb Pence, Pence Petroleum Company
1141 Batavia Ct. · Tulare, California 93274 · (209) 688-1011
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WORK, HEALTH AND SAFETY PLAN
FOR
PROPERTY LOCATED AT
901 E. TRUXTUN AVENUE
BAKERSFIELD, CA
PERMIT NO. 150029 C
PRELIMINARY SITE ASSESSMENT STUDY
FOR PETROLEUM CONSTITUENTS PRESENT IN SOIL
TABLE OF CONTENTS
SITE DESCRIPTION . . . . . . . .
SITE HISTORY ........
SCOPE OF WORK ..........
FIELD INVESTIGATION PREPARATION
GROUND WATER .......... ...
SUMMARY OF FIELD INVESTIGATION . . . . . . .
TESTHOLE SOIL BORINGS AND FIELD . . . .
SAMPLING GUIDELINES
GRAB GROUND WATER SAMPLING PROCEDURES . . .
LABORATORY ANALYSIS
· . . . . .
· . .
· . .
. . . . . . .
HEALTH AND SAFETY PLAN
GENERAL STATEMENT .....
HAZARD EVAULATION ......
SAFETY EQUIPMENT .....
DECONTAMINATION AND DISPOSAL . . .
PERSONAL PRECAUTIONS . . .
EMERGENCY PROCEDURES
EMERGENCY SERVICES
· . .
· . . .
· . .
· . . .
. . .
· . .
· . .
REFERENCES CITED
. . .
· . .
FIGURES
1
VICINITY
2
TESTHOLE BORING LOCATION MAP
3
EMERGENCY FACILITIES
1
1
3
3
3
4
7
11
13
15
16
18
19
22
23
25
26
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SITE DESCRIPTION:
The subjec~ proper~y is loca~ed a~ 901 E. Trux~on Avenue,
Bakersfield, California (Figure 1). The si~e is loca~ed eas~ of
Beale Avenue, be~ween Eas~ Trux~on Avenue and Eas~ 18~h Street and
is situated in Section 29, Township 29 South, Range 28 East, Mount
Diablo Baseline and Meridian. A.P.N. 017-160-07.
SITE HISTORY:
The subjec~ parcel is owned by Pence Petroleum Company and was
previously operated as Pence Automated Fuels.
On November 1, 1989, soil samples were taken under three
underground fuel storage tanks and service pump island (Figure 2)
in the following manner:
The south tank was a 600 gallOn~regUlar gasoline storage
~ank. Sample number PI, P2, P3, and P4 were ~aken a~ ~he location
shown on the testhole boring location map (Figure 2).
/
The center tank was a 600 gallon premium unleaded gasoline storage
1----
tank. Sample numbers PS, P6, P7, and pa were taken at the location
shown on the testhole boring location map (Figure 2).
The north ~ank was a 10,000 gallon unleaded gasoline storage tank.
~
Sample numbers P9, P10, P11, and P12 were taken at the locations
shown on the testhole boring location map (Figure 2).
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The service pump island was sampled in two locations (Figure 2).
The alpha numeric designations for these soil samples are P13, P14,
P1S, and P16.
Each location beneath the underground fuel tanks and dispenser
island was sampled at depth of 2 feet and 6 feet.
The sampling was conducted by MP Vacuum of Bakersfield, California.
Laboratory analysis on soil samples was conducted by BC
Laboratories, Inc. of Bakersfield, California from November 2,
1989, to November 9, 1989, when the soil sample analysis was
completed.
The results of the laboratory analysis indicated the presence of
petroleum constituents concentrated at the PS, P6, P9, and P10 soil
sample locations (Figure 2). Benzene levels ranged from 2.4 ppm
in soil sample P9 to 58.81 ppm in soil sample P6. Benzene levels
of .28 ppm and .38 ppm were found to be in soil sample P1 and P2
respectively. Benzene levels were found to be non-detectable in
all other soil samples.
Total Petroleum Hydrocarbons (T.P.H.) levels in soil samples ranged
from non-detectable to 8,843.63 ppm. Again the higher levels of
T.P.H. were found to be concentrated in the area of soil samples
PS, P6, P9, and P10.
As a resul t of these 1 eve 1 s of petro 1 eum constituents in solI
samples, Pence Petroleum Company was required to provide a site
characterization work plan proposal pursuant to a letter sent from
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the Resource Management Agency, Department of Environmental
Services on March 2, 1990, to Pence Petroleum Company.
SCOPE OF WORK:
The work to be provided will be conducted in accordance with the
California LUFT Manual Recommendations, E.P.A. Regulations,
A.S.T.M.
Test Methods and Kern County Health Department
Requirements.
Work specified at the site involves soil boring and soil sampling.
Additional water information will be collected if it is determined
that ground water may have been impacted by petroleum constituents
originating from this site as a result of our field investigation.
FIELD INVESTIGATION PREPARATION:
Underground utility locations ~ill be located and marked at the
site by Underground Services Alert (USA) prior to drilling
operations. Testhole borings will be probed to a depth of four (4)
feet to further alleviate the possibility of damaging any
underground utilities or obstructions.
Any obstructions that may interfere with access to testhole, boring
locations will be moved or relocated, if necessary, prior to the
field investigation.
GROUND WATER:
The estimated depth to ground water, below the site, is
approximately 185 to 200 feet below ground surface. The nearest
~
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water wells in the area are located as follows: one well between
Baker street and Kern street with the depth to water 184'; one well
on Beale Avenue, north of California Blvd. with the depth to water
186'; and one well between Tulare street and Kern street in the
Truxton area with the depth to water 200'. This information was
provided by California Water Services on April 27, 1989.
SUMMARY OF FIELD INVESTIGATION:
Number of testhole borings
We propose to drill 4 testhole borings located in the immediate
area of the three (3) previously removed fuel tanks and fuel
dispenser island.
See attached testhole boring location map for
proposed testhole boring locations (Figure 2).
One testhole boring (B1) will be located in the vicinity where the
highest levels of petroleum constituents were indicated as a result
of laboratory analysis of P5 and P6.
The remaining 3 testholes
will be situated around the perimeter as follows:
Testhole boring B2 will be positioned to indicate the levels of
petro 1 ewn constituents southwest of Testho 1 e Boring B1.
Soil
samples taken under the 600 gallon leade~regular gasoline tank
indicated levels of T.P.H. to be substantially dropping in samples
taken at 2 feet to samples taken at 6 feet below the bottom of the
/)
tank. ~ The Benzene levels, as well as other petroleum constituents,
were also dropping or non-detectable.
This would indicate this
area was impacted by petroleum constituents as a result of
"')
overspilling during the tank filling process., This testhole boring
~~~
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is located to determine the boundaries of the petroleum
constituents concentrated around Testhole Boring Bl and serve as
a check for petroleum constituents at greater depths originating
from the south 600 gallon underground fuel tank.
Testhole Boring B3 is located to serve two purposes in the same
manner as Testhole Boring B2. Laboratory analysis of soil samples
P13, Pl4, Pl5, and Pl6 indicated non-detectable levels of Benzene
with T.P.H. levels being relatively low with respect to levels at
Testhole Boring Bl.
These levels could indicate that petroleum constituents impacted
these soil samples as a result of site wash-down or gasoline
spillage during service pump maintenance (filter changes). The
primary purposes of this testhole boring would be to determine if
a leak occurred in the area of the fuel dispenser island near the
east end. Soil sample P6 indicated a T.P.H. level of 65.55 with
a non-detectable Benzene level. The secondary purpose would be to
determine if the petroleum constituent concentrated at Testhole ~
>-~kt '7
Boring Bl extend in this easterly direction at greater depths.~ 7 ~&~ I
~lC,~ .
Testhole Boring B4 is located to the north of Testhole Boring Bl
is positioned to serve two purposes in the same manner as Testhole
Borings B2 and B3. Laboratory analysis on soil samples Pll and Pl2
indicate non-detectable levels of Benzene and T.P.H.} therefore}
it can be assumed that a gasoline leak in this area has not
occurred. However, petroleum constituent levels increase from 2.4
5
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~/
3491.08 ppm of
ppm to 10.63 ppm of Benzene, and 1719.31 ppm to
T.P.H as you go from 2 feet to 6 feet below ground surface.
The primary purpose of Testhole Boring B4 is to determine if the
petroleum constituents in the vicinity of sample locations P9 and
P10 have extended this far to the north. The secondary purpose of
Testhole Boring B4 is to determine if the petroleum constituents
concentrated in the vicinity of Testhole Boring B1 have extended
this far to the north at greater depths.
It may become necessary to modify the location of testhole borings
in the field to expand the assessment study area if HNU 101
Photoionization Meter levels on soil samples indicate the petroleum
constituent plume limits are not being defined.
The study area
will be expanded by relocating the testhole borings outward from
Testhole Boring Bl to 10 foot increments.
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TESTHOLE SOIL BORINGS AND FIELD SAMPLING GUIDELINES
DRILLING METHOD:
We propose to use a truck-mounted Mobile B-80 drill rig with 8 1/2"
outside diameter, 4 1/4" I.D. hollow stem augers AASHTO Designation
T251-77. The augers will be steam cleaned prior to drilling each
testhole at the site.
Total Depth of Testhole Borings
The total depth will not extend through the first aquifer
encountered.
The upper most aquifer is expected to be at
approximately 180 to 200 feet below ground surface.
Field Soil Sampling Procedures and Soil Classification
Soil samples will be collected at 5 foot and 10 foot depth
intervals, as field conditions warrant, startin~ at 10 feet below
,--the ground surface. ~til sample~ will be collected using a 2"
------ ~ ~ Cf\(>-~
inside diameter by 18' long split spoon sampler. Two inch outside
diameter by 6" long brass sample tubes will be inserted into the
sampler prior to use.
The sample tubes will be pre-cleaned by
steam and Trisodium Phosphate (T.S.P.) detergent wash and distilled
water prior to use and stored in clean plastic bags before
inserting into the sampler.
The split spoon sampler will also be cleaned using the same
methods, as previously described, between each sample interval.
7
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After the soil sample is collected, the sample tube from the bottom
of the sampler will be immediately sealed in the field by placing
teflon covers over the open end of the tube and placing a plastic
cap over the teflon cover. An adhesive tape will be placed around
the plastic cap to insure that the cap is secured and an airtight
seal is maintained.
All soil samples will be labeled appropriately in the field.
Labels will include: sample location; depth; date; time; job
number; and field identification number. Samples will be placed
immediately in an insulated storage container containing blue ice.
The temperature inside the storage container will be maintained at
4 degrees Celsius/39.2 degrees Fahrenheit and monitored with a
thermometer to insure that the temperature remains constant.
A chain of custody record will accompany the samples. Chain of
custody records will include: sample location; depth; date; time;
job number; and field identification number, analysis required and
personnel collecting samples. A field log book will be maintained
containing essentially the same information as the chain of custody
record with the addition of any field observations about the
sample.
The middle tube sample from the split spoon sampler or the soil
from the sampler shoe will be placed in sealed glass containers.
After approximately one half hour, a field reading will be taken
using the H.N.U. 101 Photoionization Meter. The field readings
will be recorded and used to determine the levels of fuel
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contamination encountered in the testhole and also assist in
selecting the soil samples to be analyzed in the laboratory.
Soil samples will be delivered to B.C. Laboratories, Inc., a State
------ -/
Certified hazardous waste testing laboratory, within 24 hours after
the sample is collected. The temperature will be maintained at 4
degrees Celsius in the insulated storage container prior to
delivering to the laboratory.
Once the samples are delivered to the laboratory, the chain of
custody will be signed by the laboratory indicating that possession
of the samples has changed.
The soil samples will be analyzed
within the required 14-day period following collection, unless a
24 hour or 48 hour rush is required.
Soils encountered at testhole borings will be logged and classified
in accordance with the Unified Soil Classificatio,n System during
drilling operations.
Standard penetration blow counts wi 11 be
recorded during soil sampling. The standard penetration test would
consist of using a 140 pound drop hammer falling a distance of 30
inches to drive the sampler into the undisturbed soil and recording
the number of blow counts required to drive the sampler each 6 inch
increment.
Personnel involved in collecting the soil samples and classifying
the soi Is wi 11 be under the direct supervision of the project
engineer and fully experienced in the field of environmental and
geotechnical drilling.
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Lithologic descriptions to be included in the borehole log are:
Soil type; color; moisture description; grain size and shape;
compactness or hardness; cohesiveness; grading; extent of
weathering or fracturing; and sample odor. Drilling rates,
standard penetration tests, HNU P.I. Meter readings, sample numbers
and percent recovery of the sampl es wi 11 al so by noted in the
borehole field log.
Testhole Boring Soil Containment and Abandonment
During drilling operations, the soil cuttings will be placed on and
,
covered with 4 mil. black Plasti>~~~,\c..,
The soi 1 cuttings wi 11 remain on-site in an area that is not
accessible to the public.
The soil cuttings will be labeled
indicating the boring number and estimated depth of soil cuttings.
After the augers are removed, the testhole boreholes wi 11 be
backfilled with a 7-sack sand cement slurry.
--
The soil cuttings will remain on-site until laboratory test results
on soil samples are available. After review of the laboratory test
results, appropriate disposal of the soil in each barre0 can be
I
determined.
Our field investigation will be conducted in accordance with
approved State of California LUFT Manual Recommendations, E.P.A.
and Kern County Health Department Regulations and A.S.T.M. Test
Methods.
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GRAB GROUND WATER SAMPLING PROCEDURES
If it is determined that ground water has been impacted by
gasoline, a grab sample will be collected through the hollow stem
augers. A 1.7 x 3.0 acrylic bailer will be used to collect the
sample. The augers will be raised approximately 5 feet to allow
water to enter the borehole prior to collecting the water sample.
The water sample will be transferred into 2 sterilized glass, 40
ml. V.O.A. sample containers. The sample will be immediately
sealed in the field insuring that no air bubbles occur after the
container lid is placed over the sample containers. The samples
will be labeled appropriately in the field. Labels will include:
Sample location; depth; date; time; job number; and field
identification number.
Samples will be placed immediately in an insulated storage
container containing blue ice. The temperature inside the storage
container wi 11 be maintained at 4 degrees Cel sius¡39. 2 degrees
Fahrenhei t and monitored with a thermometer to insure that the
temperature remains constant. The storage container wi 11 al so
include a laboratory prepared travel blank to insure that cross
contamination does not occur. The travel blank will be placed in
with the sample containers and will be analyzed if the water
samples indicate detectable levels of gasoline fuel constituents.
A chain of custody record will accompany the samples. Chain of
custody records will include: Sample location; depth; date; time;
job number; field identification number; analysis required and
11
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personnel collecting samples. A field log book will be maintained
containing essentially the same information as the chain of custody
record with the addition of any field observations about the
sample.
Water samples will be delivered to a state Certified hazardous
waste testing laboratory within 24 hours after the sample is
collected. The temperature will be maintained at 4 degrees
Celsiusj39.2 degrees Fahrenheit in the insulated storage container
prior to delivery to the laboratory.
Once the samples are delivered to the laboratory, the chain of
custody will be signed by the laboratory indicating that possession
of the samples has changed. The water samples will be analyzed
with the required 7-day period following collection unless a 24
hour or 48 hour rush is required.
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LABORATORY ANALYSIS:
Soil and water samples collected from the testholes/ground water
grab samples will be transferred to a State Certified Laboratory
to perform the analysis required. Selected soil samples will be
analyzed by B. C. Laboratories, Inc., of Bakersfield, CA. The
following number of tests are anticipated:
TABLE 1
TEST METHODS AND DETECTION LIMITS
FOR LABORATORY ANALYSES
SOIL
DESCRIPTION
PROPOSED NO. OF
SAMPLES TO BE
ANALYZED
MIN:aEPORTING
LEVEL, MICRO-
GRAMS PER GRAM
PPM
Total Petroleum
Hydrocarbons (gasoline)
F.I.D. Calif. DOHS Luft Manual
18
1.0
BTX (EPA 3810/8020)
18
0.1
--
------.
Organic Lead
I Calif. DOHS Luft
\ (leaded gas)
~
l~ ~~
2
1.0
2
0.1
WATER (if necessary)
MIN:aEPORTING
LEVEL,MICRO-
GRAMS PER
LITEIWPB
BTX (5030/8020)
1
0.5
Total Petroleum Hydrocarbons
(602)
1
50
13
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We hope that the proposed work plan is acceptable. Please see the
attached Health and Safety Plan.
Also attached is a testhole
boring location map (Figure 2) and vicinity map (Figure 1) of the
.
subject site.
If you should have any questions or if modifications are necessary,
please contact this office.
Sincerely}
ASSOCIATED SOILS ANALYSIS
1ù~ b·~
Wayne F. Harris
R.C.E. 15342, Exp. 3-31-93
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HEALTH AND SAFETY PLAN
FOR
PENCE PETROLEUM COMPANY
N.E. CORNER OF BEALE AVENUE
AND EAST TRUXTON
BAKERSFIELD, CA
GENERAL STATEMENT
The sit.e charact.erizat.ion for Pence Pet.roleum Company, 901 E.
Truxt.on, Bakersfield. California is being conduct.ed t.o assess t.he
vert.ical and 1 at. era 1 limit.s of ·on-sit.e soil cont.ami~. For
preliminary assessment. of cont.aminat.ion, four ~es~bOringS
wi 11 be dri 11 ed.
The soil sampling program will include soil
cores, chemical analyses. grab samples, soi 1 moist.ure measurement.s,
and field screening by phot.oionizat.ion det.ect.or (PID). Det.ailed
descript.ions of borehole and drilling informat.ion will also be
maint.ained.
Decont.aminat.ion procedures and heal t.h and safet.y
measures conforming to Level D will be followed.
Resul ts from dat.a analyses wi 11 be t.he basis of planning the
subsequent invest.igation phase.
15
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HAZARD EVALUATION
This hazard evaluation is directed toward those volatile organic
compounds which based on data gathered to date, are known or
suspected to be present at sampling locations, they being:
Benzene, Ethylbenzene, Toluene, Total Xylenes, Isopropylbenzene,
Total Petroleum Hydrocarbons, Organic Lead, and Ethylene Dibromide.
The U.S. Environmental Protection Agency (EPA) (1985) had defined
levels of protection in order to provide a standard vocabulary to
describe personal protection equipment. The four levels afford
varying degrees of respiratory protection, dermal protection, and
protection from traumatic injury. The four levels are summarized
as follows:
Level A consists of a totally encapsulated, chemically
protective suit with self-contained breathing apparatus.
Level B provides maximal respiratory protection through
use of suppl ied air or sel f-contained breathing apparatus;
the level of dermal protection is selected on the basis
of anticipated hazards.
Level C incorporates an air-purifying respirator which
is specific to the contaminant(s) of concern; the degree.
of dermal protection depends on anticipated dermal
hazards.
Level D is basically a work uniform including hard hats,
gloves and safety boots.
16
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If the Safety Supervisor determines that hazardous or potentially
hazardous conditions exist, they may require upgrading of the
protection level from Level D to Level C. The Safety Supervisor
also has the authority to stop all sampling-related work until
adequate protection is provided for all workers, or until site
hazards are mitigated. Safety equipment required for Level C
includes air purifying respirators, chemical resistant-clothing,
gloves, boot covers, and hard hats.
The Safety Supervisor may require the use of portable field
monitoring equipment such as an organic vapor analyzer in order to
determine whether respiratory protection is necessary.
The following sections of the Health and Safety Plan describe
safety equipment, decontamination procedures, and work limitations
for sampl ing operations under Protection Level D. Emergency
procedures in the event of personal exposure, injury, or explosion
are also included for all operations, regardless of protection
level. A separate section is provided describing Protection Level
C safety equipment, decontamination procedures, personal
precautions and site access. Protection Level C procedures will
be followed if the Safety Supervisor determines that site hazards
or potential site hazards warrant this level of protection.
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SAFETY EQUIPMENT
Safety equipment required for Protection Leve,l D includes hard hats
and boots. Hard hats will be worn during all drilling operations.
Additional equipment available to the investigative team includes
earplugs, disposable coveralls and boots, chemical-resistant
gloves, and safety goggles. Use of this additional equipment shall
be determined by the Safety Supervisor based on site conditions.
EQUIPMENT
The following equipment will be available for Protection Level D
work:
Protective Clothing
AF-15 Pioneer nitrile gloves
Tyvek coveralls, hoods, and boots
Visual
Uvex *9300 dust & chemical goggles
Hearing
Moldex pura-foam ear plugs
Miscellaneous
16 unit first aid kit
Barrier cream
Hard hats~
~
Hard hats are mandatory during all drilling operations.
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DECONTAMINATION AND DISPOSAL
Although the hazard evaluation indicated that harmful exposure to
hazardous compounds in soils or groundwater is not likely to occur
during the investigation, personnel decontamination accomplished
by good personal hygiene practices should be followed to limit
potential exposure to contaminants. Personnel decontamination is
required prior to all breaks and meals, and at the end of the day.
I
Decontamination of individuals will be accomplished by soap and
water washing followed by a clean water rinse. When used,
protective clothing, gloves, or goggles will be removed and stored
in plastic bags prior to all breaks and meals. At the end of the
day, disposable gloves, coveralls, and boots will be collected in
plastic bags for disposal, and non-disposable protective equipment
such as safety goggles will be decontaminated by soap and water
washing followed by a clean water rinse.
Procedures for disposal of investigation-derived materials have
been established in accordance with federal and state hazardous
waste regulations.
Investigation-derived materials include soil
cuttings and development water from monitor well drilling
operations.
If waste derived from investigation activities are determined by
laboratory analysis to be hazardous, then disposal of those wastes
will be conducted in compliance with EPA's interim policy
"Procedure for Planning and Implementing Off-site Response Actions"
(Federal Register, 1985), as follows:
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Treatment
Treatment, reuse, or recycling of hazardous wastes will be
considered in the removal of investigation-derived hazardous
materials.
Selection of Off-site Treatment or Disposal Facility
Selection of an appropriate facility for off-site management of
investigation-derived hazardous wastes will be based on the
following requirements:
1. The owner or operator of any hazardous waste management
facility under consideration must have a RCRA permit
applicable to specific wastes and specific storage, treatment,
or disposal processes.
2. A RCRA compliance inspection must be performed at the off-site
facility to receive investigation-derived hazardous wastes not
more than six months before receiving such wastes.
3. Any land disposal facility receiving investigation-derived
hazardous wastes must meet RCRA minimum technical requirements
per the Hazardous and Solid Waste Amendments of 1984. These
technical requirements include ground water monitoring and
liner and leachate collection system standards.
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Manifest Requirements
Investigation-derived hazardous material transported to an off-site
storage, treatment, or disposal site will be accompanied by a
Uniform Hazardous Waste Manifest, in compliance with requirements
in the Code of Federal Regulations, 40 CFR 262.
.,1
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PERSONAL PRECAUTIONS
Eating, drinking chewing gum or tobacco smoking or any
practice that increases the probabi 1 i ty of hand-to-mouth
transfer and ingestion of material should be avoided during
drilling and soil sampling activities.
Hands and face should be thoroughly washed upon leaving the
work area.
Contact with contaminated or suspected contaminated surfaces
should be avoided. Whenever possible, do not walk through
puddles, leachate, or discolored surfaces; kneel on ground;
or lean, sit, or place equipment on drums, containers, or the
ground.
Medicine and alcohol can magnify the effects from exposure to
toxic chemical s . Prescribed drugs should not be taken by
personnel unless specifically approved by a qualified
physician.
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EMERGENCY PROCEDURES
IN THE EVENT OF PERSONAL EXPOSURE
Call the Safety Supervisor to the scene immediately.
Immediately remove any clothing that becomes contaminated.
Promptly wash with soap and flush with clean water.
Determine the material involved.
Don't expose self or others to the materials unnecessarily.
Stay upwind, control access to the area, and wear the
appropriate protective equipment.
Remove people from the contaminated area. Wear the
appropriate protective equipment and don't charge in blindly.
Administer first aid, in necessary.
If the incident warrants, the Safety Supervisor must call the
appropriate emergency services. See the I ist of emergency
phone numbers in the next section. The emergency care
facilities are indicated on Figure lA.
Record information on the exposure.
IN THE EVENT OF PERSONAL INJURY
Call the Safety Supervisor to the scene immediately.
Remove people from dangerous area or equipment.
Administer first aid, if necessary.
.,"1
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If the incident warrants, the Safety Supervisor must call the
appropriate emergency services. See the I ist of emergency
phone numbers in the next section. The emergency care
facilities are indicated on Figure lA.
IN THE EVENT OF FIRE OR EXPLOSION
Evacuate personnel from area of danger.
Call the Safety Supervisor to the scene immediately.
Administer first aid if necessary.
The Safety Supervisor shall:
Notify the Fire Department.
Contact the local hospital immediately when a major fire
starts, advising them of the chemicals involved and the
Poison Control Center to be contacted.
Keep personnel out of the smoke or mist created by the
fire and hose streams. Immediately evacuate areas in the
path of smoke.
See emergency phone numbers in the following section.
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EMERGENCY SERVICES
Location:
Telephone:
Ambulance
Hall Ambulance Service
1001 21st Street
Bakersfield, CA
805-327-4111
Emergency Medical Facility
Kern Medical Center
1830 Flower Street
Bakersfield, CA
805-326-2667
Police Department
Bakersfield Police Dept.
1601 Truxton Avenue
Bakersfield, CA
911
The following is a consolidated phone list of response groups,
agenc i e s , or other ent i tie s who may need to be contacted as a
result of implementing this plan:
County Emergency Services . .
. . . .
· . .
911
Fire Department Station *2
· 805-326-3962
Sheriff's Department
911
805-327-3392
California Department of Health Services
· 209-445-5321
Calpi Spill Team
. . .
· . .
805-589-5648
National Response Center
. . .
· 209-424-8802
Regional Poison Control Center
800-346-5922
Kern County Health Department .
. . . . .
. . .
· 805-861-3636
Chemtrec
. . . . . . . . . .
· . .
800-424-9300
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REFERENCES CITED
California Administrative Code (CAC). Title 8, Section 5155.
Code of Federal Regulations, Standards Applicable to Generators of
Hazardous Waste. Title 40, Part 262 (40 CFR 262)
Federal Register, 1985. Procedure for Planning and Implementing
Off-Site Response Actions, Vol. 50, No. 214, Tuesday,
November 5, 1985.
U.S. Department of Health and Human Services, 1985. NIOSH Pocket
Guide to Chemical Hazards. U.S. Government Printing Office,
Washington, D.C., September, 1985.
U.S. Environmental Protection Agency, 1985. Guidance on Remedial
Investigations Under CERCLA. June, 1985.
~~
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SITE ASSESSMENT STUDY
FOR
PETROLEUM CONSTITUENTS
PRESENT IN SOIL AT
PENCE PETROLEUM COMPANY
901 E. 19TH STREET
BAKERSFIELD, CALIFORNIA
December 28, 1990
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ENYlRONMENrAL
CHEJ.fICÁL ANALYSIS
e .
LABORATORIES, INC.
J. J. EGLIN, REG. CHEM. ENGR.
4100 PIERCE RD., BAKERSFIELD, CALIFORNIA 93308 PHONE 327-4911
PETROLEUM
MP Vacuurß
3400 W. Manor
Bakersfield, CA
Attention:
Purgeable Aromatics
(SOIL)
?U ¡f./I P #j
Date of
Report :
09-Nov-89
93308
Lab No.:
Sample Desc:
8664-15
Pense PetroleurCl
1101-15 4E 2' 11/01/89
DATE SAMPLE DATE SAMPLE DATE ANALYSIS
COLLEcrED : RECEIVED @ LAB: COMPLETED:
01-Nov-89 02-Nov-89 08-Nov-89
Mini.Iwm
Reporting Analysis Reporting
Constituent Units Results Level
Benzene ug/g none detected 0.02
Toluene ug/g none detected 0.02
Ethyl Benzene ug/g none detected 0.02
p-Xylene ug/g none detected 0.02
m-Xylene ug/g none detected 0.02
o-Xylene ug/g none detected 0.02
'l'otal Petroleum
Hydrocarbons ugjg none detected 5.00
TEST METHOD: TPH for gasoline by D.O.H.S. L.U.F.T. method.
Individual constituents by EPA rœthod 8020.
As Received Basis
Corrments :
California D.O.H.S. Cert. #102
By
J i{t/j/4/
. . E ~n
-þyL ;baQl..
Analyst
C9
Attachment D
. . - ..._---~
_____w
ENVIRONMENTAL
CHEJlICAL ANALYSIS
e'
LABORATORIES, INC.
J. J. EGLIN. REG. CHEM. ENGR.
4100 PIERCE RD., BAKERSFIELD, CALIFORNIA 93308 PHONE 327-4911
PETROLEUM
liP Vacuum
:3400 W. Manor
Bakersfield, CA 93308
Attention:
Purgeable Aromatics
(SOIL)
PI/MP It;
Date of
Report: 09-Nov-89
Lab No. :
Sample Desc:
8664-16
Pense Petroleum
1101-16 4E 6" 11/01/89
DATE SAMPLE DATE SAMPLE DATE ANALYSIS
COLLEC1'ED : RECEIVED @ LAB: CCt1PLETED:
01-Nov-89 02-Nov-89 08-Nov-89
11ir1ÍlcUJfI
Reporting Analysis Reporting
Constituent Units Results Level
Benzene ug/g none detected 0.02
Toluene ug/g 0.54 0.02
Ethyl Benzene ug/g 0.26 0.02
p-Xylene ug/g 0.52 0.02
m-Xylene ug/g 1.03 0.02
o-Xylene ug/g ,0.77 0.02
Total Petroleum
Hydrocarbons . ug/g 65.55 5.00
'rEST METHOD: TPH for gasoline by D.O. H. S. L. U . F . T. method.
Individual oor~tituents by EPA u~thod 8020.
As Received Basis
CoTTlnents :
California D.O.H.S. Gert. U102
By
rzÆ*~~:
t/J. .
~ Jl ~allo..
Analyst
CiO
Attachment D
·~.
ENV/RONMJ:NTAL
e e
LABORATORIES, INC.
J. J. EGLIN, REG. CHEM. ENGR.
4100 PIERCE RD., BAKERSFIELD, CALIFORNIA 93308 PHONE 327·4911
CHEMICAL ANALYSIS
PETROLEUM
MP Vacuurn
3400 W. Manor
Bakersfield, CA 93308
Attention:
Purgeable Aromatics
(SOIL)
PV/-./fP #Z
Date of
Repol~: 11-Nov-89
Lab No. :
S.::unple Desc:
8664-13
Pense PetroleuICI
1101-13 4W 2' 11/01/89
DATE SAMPLE DATE SAMPLE DATE ANALYSIS
COLLECTED : RECEIVED @ LAB: COMPLETED :
01-Nov-89 02-Nov-89 09-Nov-89
MinillJUllI
Reporting Analysis Reporting
Constituent Units Results Level
Benzene ug/g none detected 0.02
. Toluene ug/g none detected 0.02
Ethyl Benzene ug/g none detected 0.02
p-Xylene ug/g none detected 0.02
rn-Xylene ug/g none detected 0.02
o-Xylene ug/g 0.11 0.02
Total Petroleum
Hydrocarbons ug/g 11.85 5.00
TEST METHOD: TPH for gasoline by D.O.H.S. L.U.F.T. lnetì~.
Individual constituents by EPA loetì~ 8020.
As Received Basis
Cor/JInents :
C:tlifomia D.O.H.S. Cel~. #102
By'
-Æi: ~,,~
J. ... E in
-N <!;> ctlJp~
, lalyst
Cll
Attachment D
.~.
--
e
ENVIRONMENTAL
CHEUtclL ANALYSIS
LABORATORIES, INC.
PETROLEUM
J. J. EGLIN, REG. CHEM. ENGR.
4100 PIERCE RD., BAKERSFIELD, CALIFORNIA 93308 PHONE 327-4911
MP Vacuum
3400 W. Manor
Bakersfield, CA
Attention:
Purgeable Aromatics
(SOIL)
PU/\/f P #" ¿
Date of
Report:
09-Nov-89
93308
Lab No.:
Sample Desc:
8664-14
Pense Petroleum
1101-14 4W 6' 11/01/89
DATE SAMPLE DATE SAMPLE DATE ANALYSIS
COLLECfED : RECEIVED @ LAB: COMPLETED:
01-Nov-89 02-Nov-89 08-Nov-89
Minirrvm
Reporting Analysis Reporting
Constituent Units Results Level
Benzene ug/g none detected 0.02
Toluene ug/g none detected 0.02
Ethy 1 Benzene ug/g none detected 0.02
p-Xylene ug/g none detected 0.02
m-Xylene ug/g none detected 0.02
o-Xylene ug/g none detected 0.02
Total Petroleum
Hyclrocaroons ugjg none detected 5.00
TEST METHOD: 'I'PH for gasoline by D.O. H . S . L. U . F . T. method.
Individual constituents by EPA method 8020.
As Received Basis
Corrroents :
California D.O.H.S. Gert. #102
By
rJ. (/. ~¿:n /
41. ð'. Eg 'n
d~ -J-,ß1h
- yst
C12
Attachment D .
ENVIRONMENTAL
CHEMlciL ANALYSIS
,e .
LABORATORIES, INC.
PETROLEUM
J. J. EGLIN, REG. CHEM. ENGR.
4100 PIERCE RD., BAKERSFIELD, CALIFORNIA 93308 PHONE 327·4911
MP VacuuIQ
3400 W. Manor
Bakersfield, CA
Attention:
Purgeable Arorratics
(SOIL)
TAN/( .:#= f
Date of
Report :
ll-Nov-89
93308
Lab No.:
Sample Desc:
8664-1
Pense Petroleum
1101-01 1E 2' 11/01/89
DATE SAMPLE DATE SAMPLE DATE ANALYSIS
COLLEGrED : RECEIVED @ LAB: COMPLETED :
Ol-Nov-89 02-Nov-89 09-Nov-89
.
Minimum
Reporting Analysis Reporting
Constituent Units Results Level
Benzepe ug/g 0.28 0.02
Toluene ug/g 4.17 0.02
Ethy 1 Benzene ug/g 5.20 0.02
p-Xylene ug/g 9.59 0.02
m-Xylene ug/g 19.53 0.02
o-Xylene ugjg 13.86 0.02
Total Petroleum
Hyrlrocarbons ug/g 534.09 5.00
TEST METHOD: TPH for gas()line by D.O. H. S. L. U . F . T. method.
Individual constituents by EPA method 8020.
As Received Basis
CorfirJE:nts :
California D.O.H.S. Cert. #102
By
-ffÆ ~<ft/
J. . E in
~~~ ,-1;a.lhL
'Analyst
C13
Attachment D
.~.
ENVIRONMENTAL
-- e
LABORATORIES, INC.
J. J. EGLIN, REG. CHEM. ENGR.
4100 PIERCE RD., BÄKERSFIELD, CALIFORNIA 93308 PHONE 327-4911
CHEMICAt ANALYSIS
PETROLEUM
MP VaCUUIn
3400 W. Manor
Bakersfield, CA
Attention:
Purgeable Aromatics
(SOIL)
TAA//¿ #!
Date of
Report:
ll-Nov-89
93308
Lab No. :
Sample Desc:
8664-3
Pense Petroleum
1101-03 1W 2' 11/01/89
DATE SAMPLE DATE SAMPLE DATE ANALYSIS
COLLEGrED: RECEIVED @ LAB: Ca1PLETED:
01-Nov-89 02-Nov-89 09-Nov-89
t1inimum
Reporting Analysis Reporting
Constituent Units Results Level
Benzene ug/g none detected 0.02
Toluene ug/g none detecœd 0.02
Ethy 1 Benzene ug/g 0.09 0.02
p-Xylene ug/g 0.22 0.02
m-Xylene ug/g 0.31 0.02
o-Xylene ug/g 0.31 0.02
Total Petroleum
Hydrocæ."bons ug/g 47.60 5.00
TEST HETHOD: TPH for gasoline by D.O.H.S. L.U.F.T. rrethoo.
Individual'constituents by EPA u-=thod 8020.
As Received Basis
Comments:
Califorr!ia D.O.H.S. Cert. #102
By
(2 (j ~¡{Ø/
t7J.~J. in
~ ,lZ.,(Ã./J.o,
~alyst
Attachment D
Ci5
''IÞ.
--
e
ENVIRONMENTAL
LABORATORIES, INC.
J. J. EGLIN. REG. CHEM. ENGR.
4100 PIERCE RD., BAKERSFIELD, CALIFORNIA 93308 PHONE 327-4911
CHEMICAL ANALYSIS
PETRO~EUM
MP VaclJ.uJO
3400 W. Manor
Bakersfield, CA
Attention:
Purgeable Arorratics
(SOIL)
VJN/« #!
Date of
Re:f.Ort :
ll-Nov-89
93308
Lab Nó.:
Sample Desc:
8664-4
Pense Petroleum
1101-04 1W 6' 11/01/89
DATE SAMPLE DATE SAl1PLE DATE ANALYSIS
COLLECTED : RECEIVED @ LAB: COMPLETED:
01-Nov-89 02-Nov-89 09-Nov-89
Miniuum
Re¡;orting Analysis Rep:)rting
Constituent Units Results Level
Benzene ug/g none detected 0.02
Toluene ug/g none detected 0.02
Ethyl Benzene ' ug/g none detected 0.02
p-Xylene ug/g 0.05 0.02
10- Xylene ug/g 0.08 0.02
o-Xylene ug/g 0.11 0.02
Total Petroleum
Hydrocarbons ug/g 27.90 5.00
TEST 11ETHOD: TPH for gasoline by D.O. H. S. L. U. F . T. u.::thod.
Individual constituents by EPA rœthocl 8020.
As Received Basis
C::orrlœnts :
California D.O.H.S. Cert. #102
By
.
rl ¡~{ff~/
tIJ.. in
ff 1. -1>.u.Io.
Analyst
C16
Attachment D
......
-
e
ENVIRONMENTAL
CHEMICAL ANALYSIS
LABORATORIES, INC.
PETROLEUM
J. J. EGLIN, REG.,CHEM. ENGR.
4100 PIERCE RD., BAKERSFIELD, CALIFORNIA 93308 PHONE 327-4911
Purgeable Aromatics
(SOIL)
~oÒa~~anor ~A//¿ #z
Bakersfield, CA 93308
Attention:
Date of
Report: 10-Nov-89
Lab No.:
Sample Desc:
8664-5
Pense Petroleum
1101-05 2E 2' 11/01/89
DATE SAMPLE DATE SAMPLE DATE ANALYSIS
COLLECTED: RECEIVED @ LAB: CaiPLETED:
01-Nov-89 02-Nov-89 06-Nov-89
Minirrum
Reporting Analysis Reporting
Constituent Units Results Level
Benzene ug/g 23.81 0.02
Toluene ug/g 350.69 0.02
Ethyl Benzene ug/g 88.56 0.02
p-Xylene ug/g 193.95 0.02
m-Xylene ug/g 405.27 0.02
o-Xylene ug/g 289.02 0.02
Total Petroleum
Hydrocaroons ug/g 4550.10 5.00
TEST METHOD: TPH for gasoline by D.O.H.S. L.U.F.T. nsthod.
Individual constituents by EPA rrsthod 8020.
As Received Basis
CoITIoents :
California D.O.H.S. Cert. #102
By
{l (/. {r<f</
¿l.] . flJ. '. in
~ J;,cJt,~
Analyst
C17
Attachment D
,.~.
ENVIRONMENTAL
CHEMICAl. ANALYSIS
e e
LABORATORIES, INC.
J. J. EGLIN, REG. CHEM. ENGR.
4100 PIERCE RD., BAKERSFIELD. CALIFORNIA 93308 PHONE 327-4911
PETROLEUM
MP Vacuurn
3400 W. Manor
Bakersfield, CA
Attention:
Purgeable Aromatics
(SOIL)
TANI¿#Z
Date of
Report :
10-Nov-89
93308
Lab No. :
Sample Desc:
8664-6
Pense Petroleum
1101-06 2E 6' 11/01/89
DATE SAMPLE DATE SAMPLE
COLLECTED : RECEIVED @ LAB:
01-Nov-89 02-Nov-89
Reporting Analysis
Constituent Units Results
Benzene ug/g 58.81
Toluene ug/g 588.24
Ethyl Benzene ug/g 213.32
p-Xylene ug/g 272.98
m-Xylene ug/g 838.77
o-Xylene ug/g 432.07
Total Petroleum
Hydrocarbons ug/g 8843.63
DATE ANALYSIS
COMPLETED :
06-Nov-89
MiniuAJIf1
Reporting
Level
0.02
0.02
0.02
0.02
0.02
0.02
5.00
TEST METHOD: TPH for gasoline by D.O.H.S. L.U.F. T. method.
Individual constituents by EPA ICBthod 8020.
As Received Basis
Conments :
California D.O.H.S. Cert. #102
By
i ¡~r~
.. ~n
-N ..:]I) alto
-lyst
"
CIa
~""'-
Asttachment D
....
ENVIRONMENTAL
CHEMICAl ANALYSIS
e e
LABORATORIES, INC.
PETROLEUM
J. J. EGLIN, REG. CHEM. ENGR.
4100 PIERCE RD., BAKERSFIELD, CALIFORNIA 93308 PHONE 327·4911
Purgeable Aromatics
(SOIL)
MP Vacuum TA N /~ # L
3400 W. Manor
Bakersfield, CA 93308
Attention:
Date of
Report: 10-Nov-89
Lab No. :
Sample Desc:
8664-7
Pense Petroleum
1101-07 2W 2' 11/01/89
DATE SAMPLE DATE SAMPLE DATE ANALYSIS
COLLEGI'ED : RECEIVED @ LAB: COMPLE1'ED :
01-Nov-89 02-Nov-89 06-Nov-89
Minir:urn
Reporting Analysis Reporting
Constituent Units Results Level
Benzene ug/g none detected 0.02
Toluene ug/g none detected 0.02
Ethyl Benzene ug/g none detected 0.02
p-Xylene ug/g none detected 0.02
m-Xylene ug/g none detected 0.02
o-Xylene ug/g none detected 0.02
Total Petroleum
Hydrocarbons ug/g none detected 5.00
TEST METHOD: '!'PH for gasoline by D.O.H.S. L.U.F.T. method.
Individual cC1nsti tuents by EPA rr.ethod 8020.
As Received Basis
G:>rC1œnts :
California D.O.H.S. Gert. #102
By
, i'J:~~¿
. . E ~n
h",_~ ~c~_
~lyst
Attachment D
C19
7'-.
\ ./ \ ....
'.......'
·~.
e
e
ENVIRONJlENTAL
LABORATORIES, INC.
J. J. EGLIN, REG. CHEM. ENGR.
4100 PIERCE RD., BAKERSFIELD, CALIFORNIA 93308 PHONE 327·4911
CHEMICAL ANALYSIS
PETROLEUM
Purgeable Arom~tics
(SOIL)
MP Vacuum T,A N j¿ #=Z
3400 W. Manor
Bakersfield, CA 93308
Attention:
Date of
Report: ll-Nov-89
L.3.b No. :
~;aIrJple Desc:
8664-8
Pense Petroleum
1101-08 2W 6' 11/01/89
DATE SAMPLE DATE SAMPLE DATE ANALYSIS
COLLECTED: RECEIVED @ LAB: COMPLE1'ED :
01-Nov-89 02-Nov-89 09-Nov-89
MiniuulfI
Reporting Analysis Reporting
Constituent Units Results Level
Benzene ugfg none de~ted 0.02
Toluene ug/g none detected 0.02
Ethy 1 :Benzene ug/g 0.05 0.02
p-Xylene ug/g 0.15 0.02
rn- Xy lene ug/g 0.26 0.02
o-Xylene ug/g 0.31 0.02
Total Petroleum
Hydrocarbons ug/g 31.52 5.00
TEST ~1ETHOD: TPH for gasoline by D.O. H. S. L. U. F . T. Iœthod.
Individual COf1stivlents by EPA uethorl 8020.
As Received Basis
Comments:
California D.O.H.S. Cert. #102
By
-If II ~?/
. ¿tj: Eg n
~;J)oJk
, tmalyst
C20
Attachment D.
·~.
e
.
ENVIRONMENTAL
CHEMICAL ANALYSIS
LABORATORIES, INC.
J. J. EGLIN, REG. CHEM. ENGR.
4100 PIERCE RD., BAKERSFIELD, CALIFORNIA 93308 PHONE 327-4911
PE7ROLEUM
MP Vacuurn
,3400 W. Manor
Bakersfield, CA 93308
Attention:
Purgeable Aromatics
(SOIL)
MN,K.. #3
Date of
Re¡:ort: 10-Nov-89
Lab No.:
Sample Desc:
8664-9
Pense Petroleum
1101-09 3E 2' 11/01/89
DATE SAMPLE DATE SAMPLE DATE ANALYSIS
COLLECfED : RECEIVED @ LAB: COMPLETED:
01-Nov-89 02-Nov-89 06-Nov-89
Minirrw(
Reporting Analysis Reporting
Constituent Units Results Level
Benzene ug/g 2.40 0.02
Toluene ug/g 48.95 0.02
Ethyl Benzene ug/g 14.10 0.02
p-Xylene ug/g 43.28 0.02
rn- Xylene ug/g 97.47 0.02
o-Xylene ug/g 81.51 0.02
Total Petroleum
Hydrocarbons ug/g 1719.31 5.00
TEST METHOD: TPH for gasoline: by D.O.H.S. L.U.F.T. lfJe:th.od.
Individual consti tue:nts by EPA rrethocl 8020.
As Received Basis
Corrme:nts :
California D.O.H.S. Cert. #102
By
a iVr4~-/
(/,j .. in
r¿::'t~
¡,C21-
Attachment D
.~.
-....
ENVIRONliENTAL
_ e
LABORATORIES, INC·.
J. J. EGLIN, REG. CHEM. ENGR.
4100 PIERCE RD., BAKERSFIELD, CALIFORNIA 93308 PHONE 327-4911
CHEJlICAt. ANALYSIS
PETROLEUM
Purgeable Arorratics
(SOIL)
MP Vacuum 7/Zl N j¿ # 3
3400 W. Manor
Bakersfield, CA 93308
Attention:
Date of
Rep:>rt: ll-Nov-89
Lab No.:
Sample Desc:
8664-10
Pense Petroleum
1101-10 3E 6' 11/01/89
DATE SAMPLE DATE Sfll1PLE DATE ANALYSIS
COLLEC1'ED: RECEIVED @ LAB: COMPLETED :
01-Nov-89 02-Nov-89 09-Nov-89
t1inirroIrl
Reporting Analysis Reporting
Constituent Units Results Level
Benzene ug/g 10.63 0.02
Toluene ug/g 136.03 0.02
Ethy 1 Benzene ug/g 53.35 0.02
p-Xylene ug/g 131.18 0.02
m-Xylene ug/g 317.16 0.02
o-Xylene ug/g 181.90 0.02
'fotal Petroleum
Hydrocarbons ug/g 3491.08 5.00
TEST 11ETHOD: TPH' for g.;tsoline by D.O. H . S. L. U . F . T. rr.::thod.
Individual corasti tuents by EPA rrethxl 8020.
As Received Basis
CorrJ'nents :
California D.O.H.S. Cert. #102
By
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t7J.#J. E in
~ ~ tL J) ctL1o,
~alyst
C22
Attachment D
''IÞ.
ENVIRONIIENTAL
CHEMICAL ANALYSIS
e
LABORATORIES,' INC.
'J. J. EGLIN, REG. CHEM. ENGR.
4100 PIERCE RD., BÞ:KERSFIELD, CALIFORNIA 93308 PHONE 327·4911
PETROLEUM
11P Vacuuro
:3400 W. Manor
Bakersfield, CA
Attention:
Purgeable Aromatics
(SOIL)
TANI! #3
Date of
Report :
09-Nov-89
93308
Lab No.:
Sample Desc:
8664-11
Pense Petroleum
1101-11 3W 2' 11/01/89
DATE SAMPLE DATE SAMPLE DATE ANALYSIS
COLLECTED : RECEIVED @ LAB: COMPLETED :
01-Nov-89 02-Nov-89 08-Nov-89
MinirwICI
Reporting Analysis Reporting
Constituent Units Results Level
Benzene ug/g none detected 0.02
Toluene ug/g 0.10 0.02
Ethyl Benzene ug/g 0.02 0.02
p-Xylene ug/g 0.07 0.02
m-Xylene ug/g 0.14 0.02
o-Xylene ug/g 0.12 0.02
Total Petroleum
Hydrocarbons ug/g 6.93 5.00
TEST MEI'HOD: TPH for gasoline by D.O. H. S. L. U . F . T. rœthod.
Individual constituents by EPA rrethocl 8020.
As Received Basis
Corrments:
California D.O.H.S. Gert. #102
By
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C23
Attachment D
,.~.
ENVlRONIIENTAL
CHElllCÀL ANALYSIS
_ .-
LABORATORIES, INC.
J. J. EGLIN, REG. CHEM. ENGR.
4100 PIERCE RD., BAKERSFIELD, CALIFORNIA 93308
PETROI.EUII
Purgeable Aromatics
(SOIL)
~06a~~or TA ¡\/ /<. # 3
Bakersfield, CA 93308
At;tention:
Date of
Report: 09-Nov-89
Lab No.:
Sample Desc:
8664-12
Pense Petroleum
1101-12 3W 6' 11/01/89
DATE SAMPLE DATE SAMPLE DATE ANALYSIS
COLLEcrED: RECEIVED @ LAB: COMPLETED:
01-Nov-89 02-Nov-89 08-Nov-89
MinirwIC!
Reporting Analysis Reporting
Constituent Units Results Level
Benzene ug/g none detected 0.02
Toluene ug/g 0.03 0.02
Etby 1 Benzene ug/g none detected 0.02
p-Xylene ug/g 0:04 0.02
m-Xylene ug/g 0.06 0.02
o-Xylene ug/g 0.06 0.02
Total Petroleum
Hydrocarbons ug/g none detected ~I.OO
TEST METHOD: TPH for gasoline by D.O.H.S. L.U.F.T. method.
Individual constituents by EPA method 8020.
As Received Basis
Corrments :
Califoxnia D.O.H.S. Cert. #102
By
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lalyst
Attachment D
,
PHONE 327-4911
C24
,.....
ENVIRONMENTAL
CHEMICAL ANAI.YSIS
e e
LABORATORIES, INC.
J. J. EGLIN, REG. CHEM. ENGR.
4100 PIERCE RD., BAKERSFIELD, CALIFORNIA 93308 PHONE 327-4911
PETROLEUM
BI'X/TPH GASOLINE
Quali ty Control Dat3.
MP VacuU!n
3400 W. Manor
Bakersfield, CA 93308
Attention:
Spike ID: 8754-13
Analysis Date: 09-Nov-89
Sample Matri."C: Soil
Units: ug/g
Q.tality Control
, for Lab Nos: 8664-1, 8664-2, 8664-3, 8664-4, 8664-8
8664-10, 8664-13
One sample in twenty is selected as a representative matrix which is
spiked. The percentage recovery (% Rec) of the spike is a relative
lrßasure of the accuracy of the analysis. The comparison of the spike
with a duplicate spike is a lœasure of the relative precision of the
analysis.
Constituent
Cone. Cone.
in Spike Added to
Sample Spike
Spike
% Rae
Dùp
Spike
% Rec
Spike
RPD
--------------------------------------------------------------------
Benzene 0.00 5.02 92.14 90.85 1.41
Toluene 0.00 5.16 93.30 93.75 0.48
Ethy 1 Benzene 0.00 5.01 91.69 92.48 0.86
p-Xylene 0.00 5.06 90.54 89.60 1.04
m-Xylene 0.00 5.01 94.40 94.24 0.17
o-Xylene 0.00 5.00 90.12 ,93.90 4.11
TPH Gas 0.00 301.06 97.52 99.05 1.56
OC Corru,:nts:
Spiked Sample Concentration - Sample Concentration
% Recove17 = -------------------------------------------------- X 100
(Concentration of Spike)
BPD (Relative Percent Difference) =
Spiked Sample Cone. - Spiked Dùplicate Sample Cone.
_____________________________________________________ X 100
C25
(Average Cone. of Spikes)
Attachment D
'-...
ENVIRONMENTAL
CHEMICAl ANALYSIS
. e
LABORATORIES, INC.
J. J. EGLIN, REG. CHEM. ENGR.
4100 PIERCE RD., BAKERSFIELD, CALIFORNIA 93308 PHONE 327·4911
PETROLEUM
BTX/l'PH GASOLINE
QJ.ali ty Control Data
MP Vacuum
3400 W. Manor
Bakersfield, CA 93308
Attention:
Spike ID: 8529-2
Arlalysis Date: 06-Nov-89
Sample Matrix: Soil
Units: ug/g
Quality Control
for Lab Nos: 8664-5, 8664-6, 8664-7, 8664-9
One sample in twenty is selected as a representative rratrix which is
spiked. The percentage recovery (~~ Rec) of the spike is a relative
measure of the accuracy of the analysis. The comparison of the spike
with a duplicate spike is a ræasure of the relative precision of the
analysis.
Cone. Cone. fup
in Spike Added to Spike Spike Spike
Constituent Sample Spike % Rec % Rec RPD
--------------------------------------------------------------------
Benzene 0.00 5.02 94.68 94.39 0..31
Toluene 0.00 5.16 100.93 99.88 1.05
Etby 1 Benzene 0.00 5.01 117.11 105.49 10.44
p-Xylene 0.00 5.06 114.05 114.21 0.14
m-Xylene 0.00 5.01 108.78 110.03 1.14
o-Xylene 0.00 5.00 101.10 96.74 4.41
TPH Gas 0.00 301.06 99.57 95.00 4.70
QC Corrrœnts:
Spiked Sample Concentration - Sample Concentraticm
% Recovery = -------------------------------------------------- X 100
(Concentration of Spike)
FPD (Relative Percent Difference) =
,Spiked Sample Cone. - Spiked Duplicate Sample Cone.
----------------------------------------------------- X 100 C26
(Average Cone. of Spikes) Attachment D
.....
ENVIRONlrlENTAL
CHEIlICÅL A'fALYSIS
e e
LABORATORIES, INC.
J. J. EGLIN. REG. CHEM. ENGR.
4100 PIERCE RD., BAKERSFIELD, CALIFORNIA 93308 PHONE 327-4911
PETROLEUM
BTX/I'PH GASOLINE
Q.tali ty Control Data
MP Vacuum
3400 W. Manor
Bakersfield, CA 93308
Attention:
Spike ID: 8754-1
Analysis Date: 08-Nov-89
Sample Matrix: Soil
Units: ug/g
Qlali ty Control
for Lab Nos: 8664-11, 8664-12, 8664-14, 8664-15, 8664-16
One sample in twenty is selected as a representative Jratrix which is
spiked. The percentage :recovery (% Rec) of the spike is a relative
measure of the accuracy of the analysis. The comparison of the spike
"ù th a duplicate spike is a Jr)3asure of the relative precisiorl ('jf the
analysis.
Cone. Cone. IÅ1p
in Spike Added to Spike Spike Spike
Constituent Sample ' Spike %Rec % Rec RPD
---------------------------------------------------------------------
Benzene 0.00 5.02 96.71 97.91 1.23
Toluene 0.00 5.16 101.81 103.30 1.45
Ethyl Benzene 0.00 5.01 106.40 106.87 0.44
p-Xylene 0.00 5.06 105.08 104.50 0.55
m-Xylene 0.00 5.01 109.91 109.83 0.07
o-Xylene 0.00 5.00 108.25 107.92 0.31
'!'PH Gas 0.00 301.06 93.29 91.23 2.23
OC Corrlœnts:
Spiked Sample Concentration - Sample Concentration
% Recovery = -------------------------------------------------- X 100
(Concentration of Spike)
HPD (Relative Percent Difference) =
, Spiked Sample Cone. - Spiked fuplicate Sample Cone.
----------------------------------------------------- X 100 ¡C27
(Average Cone. of Spikes) Attachment D
"-...
GARY J. WICKS
- Agency Director
(105) 8&1-350~"
/'
$TEVE Mc.ÇAlLl'Y
Dlreétor
e
e
2700 M Streel. Suite 300
eakereUeld. C/o 93301
Telephone (105) 1&1-363&
Tetecopler (805) '&\-3429
PERMIT FOR PERMANENT CLOSURE
.,_.:.::.: 0:: ".::¿: ~ . ....
.1~1;~"?ì~~'"
il!' .§~!¡': '''I.7;~~:..
RES 0 U R C E M ~..J\ ;A~.G Ðtytx.,·~ N T
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AGENCY
OF UNDERGROUND HAZARDOUS
PERMIT NUMßEé~
SUßSTANCES STORAGE FACILITY
FACILITY NAME/ADDRESS:
OWNER(S) NAME/ ADDRESS:
CONTRACTOR:
Pence Automated Fuels
901 E. Truxtun
Bakersfield, CA 93305
Pence Pelrolcum Co.
2700 Wear Street
Dakersfield, CA 93308
M.P. Vaccum Truck
3400 Manor
Bakersfielù, CA 93308
()tulne: (805) 589-5620
License #549987
l)hunc: (805) 393-1151
PERMiT FOR CLOSURE OF
PERMIT E)\PIRES
January 25. 1c)~9
3 TANK(S) AT ABOVE
APPROV AL DATE
? l.:\ \c.
Turonda R. Crumpler, .E.H.S.
Hazardous Materials Specialist
LOCATION
APPROVED DY
...... ............................................ ................................... POST 0 N P R EIV11 SES .............:;..................... ......... ........... ....... ...........
J.
CONDITIONS AS FOLLOWS:
II is Ihe rcsponsibilit)· of Ihe I'cTlllillee 10 obl:lin permils which al:l)" be required by otheT rc¡;ul:llory :lgencies prior to beginning work. (i.e., Cil~'
Fire and Uuildinc Departme:\lS) .
¡'ernaillee must nnlify I he 1I:Il:lrdous M:lleri:lls M:lnagelllcnt l'ro:r:lIn al (80.5) 861-:1636 two working da)"s prillr 10 lank rClI/oval 01' at'amJonment
in place 10 :lrr:IßGe ror require': inspeelions(s).
T:lnl; closure :lclivitics must be pcr Kern Count)' Environment:ll lIeallh and Fire Dcp:lrtRlclI1 :lppruvcd melhods as deseribe.1 in Ilandbook UT-
30. '
It is Ihe eOlltr:\ctor's rcsl,on:o.il>ilil)' 10 knuw :111<1 :Idlll:re 'o:all aprlicable laws T<:¡;ardin¡; till: h.mlllinG. ,r:lllspurtatinn ur treatment IIf ha1.:JfdOlls
RIa leri:lls.
The 1:lnk rcmov:ll ennlmetor r.IUSI h:1..e:t . ualified enmp:any l:ul)1loyce onsile supervising Ihe t:lllk lI:mov:ll. The emplo)'ee musl have lank rell1o\':l1
experiellce prior to workinG unsupervised.
If allY conlr:letors olhcr th:ln Ihose lislell 011 permit ..nd l1Crnlil 3p 1IiC:llion :Ire to be ulilize.!, priur approv:l1 must be ¡:r:llllell by the sl'eci:llisl
list ell 01\. I he permit. Devi:llion from Ihe submittcd applic:ltion is not allowed. ~
Soil SamplinG: ~
a. Tank size less than or equal to 1,000 gallons - :a minil"l1m or l\Vos'lInplcs must be retrieve" from beneath Ihe center or Ihe t:lnk :It <lel1lhs
of :lpproxim:llcly t \\'0 fcet amI six feet.
b. Tank size creater Ihan 1,000 to 10,000 gallons - õI minimunl (If four samples lI1usl be retrieved one-Ihinl of Ihe W:lY in frum Ihe ends ur
e,II:1I l:ln1::l1 deplhs of :I(1 lroxill1a1dy 1 \YO fect :and six rO:I.
c. T/link size greater than 10,000 gallons - :I minimllml1f six s:lml,h:s musl be relricved on-four'b oC tbe w"y in Crom the ends of each t"lIl;
and bcnealb tbe cenlcr of each I:lnk aI deptbs cJl approxim:llcly l\Yo feet :lnd six feel. '
J.
:!.
1.
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s.
7.
Attachment E
"_ C28
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DEPARTMENT
--a .,'=^tTH
. HEAL'TH OFFICER
e· Leon'" H.be:bon, "'~
'0 --'-"'.u..H~L'TH
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---.--
---- --
4, Gon.,a'o"a Phon" C~CST 5"
5, T,ansPOtt., , Company H.III.
HI' VACUUM TRUCK SERVICE, INC.
'4.
Un;1
W"VOI
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WaSI. No.
7, T,ansPOna, 2 Comp.ny N.III.
8,
US EPA 10 NUlllbe,
, 9. 'Oesignaled F.cilj,y N.llla .nd Sira Address
GIBSON OIL & REFINING
END OF CO~ŒRCIAL DR.
BAKERSFIELD, CA 93308
,. U' DO' 0""100" ............_ '..... H~.. "'''' «.u, ... "H~...
CALIFORNIA ONLy REGULATED WASTE
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DIESEL/GASOLINE RINSATE
5'.,.
EPAlOrhOt
i., H.nd/ing tn$l,uCliona alld Addil;0ll41 Inlo,m./ion
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'ES, GOGGLES, MD PROTECTIVE OUTER GA&'ŒNTS.
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