HomeMy WebLinkAboutMITIGATION (2)
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TANK CLOSURE REPORT
for
UNOCAL SERVICE STATION NO. 7048
2518 WHITE LANE
Bakersfield, California
Çë.0 '2-'"L, 'c¡.3
prepared for
UNOCAL CORPORATE ENVIRONMENTAL
REMEDIATION AND 'TECHNOLOGY
Unocal corporation
2000 Crow Canyon Place, #400
San Ramon, California 94583
prepared by
GeoResearch,
a Division of GEOSERVICES,
a California Corporation,
1713 Tulare street
Fresno, California 93721
(209) 264-0444
February 22, 1993
9370007
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TABLE OF CONTENTS
STATEMENT OF LIMITATIONS AND PROFESSIONAL CERTIFICATION .
EXECUTIVE SUMMARY .
. . .
. . .
· . .
INTRODUCTION .
1.0
. . .
. . .
. . .
. . . .
2.0 BACKGROUND.
................
3.0 SITE GEOLOGY/HYDROGEOLOGY
........
. . .
OBSERVATIONS/PROCEDURES . . . . . . . .
4.1 GASOLINE/DIESEL/WASTE-OIL USTs .
4 . 2 PRODUCT LINES . . .. ...
4.3 DISPENSER ISLANDS . . .
4.4 SERVICE BAY AREA. .......
4.0
· . . .
. .. ...
. . . .
........
5. 0 LABORATORY RESULTS . . .
5.2 GASOLINE/DIESEL/WASTE-OIL USTs . .. ...
5.2 PRODUCT LINES.. ...... .......
5.3 FUEL DISPENSERS. . .. .... ....
5.4 SERVICE BAY. ... ...... ...
STOCKPILED SOIL
6.0
. . .
. . . .
· . . .
BACKFILL/COMPACTION
7.0
. . .
. . .
. . .
8.0 SUMMARY AND CONCLUSIONS
. . . .
· . . .
9.0 REFERENCES
........
. . . .
. . . . . .
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TABLES -:....:.;:::"
TABLE 1: RESULTS OF LABORATORY ANALYSES OF SOIL SAMPLES COLLECTED
IN THE GASOLINE/DIESEL UST EXCAVATION
TABLE 2: RESULTS OF LABORATORY ANALYSES OF SOIL SAMPLES - PRODUCT
LINES
TABLE 3: RESULTS OF LABORATORY ANALYSES OF SOIL SAMPLES - FUEL
DISPENSERS
TABLE 4: RESULTS OF LABORATORY ANALYSES OF SOIL SAMPLES, WASTE-OIL
UST PIT/FORMER AUTOMOTIVE HOISTS
TABLE 5: RESULTS OF LABORATORY ANALYSES FOR SOIL SAMPLE WO-C-13,
COLLECTED FROM THE WASTE-OIL PIT
TABLE 6: RESULTS OF TITLE 22 METALS ANALYSIS FOR SOIL SAMPLE WO-C-
13, COLLECTED IN WASTE-OIL PIT 9/16/92
TABLE 7: RESULTS OF LABORATORY ANALYSES OF COMPOSITED SOIL SAMPLES
COLLECTED FROM STOCKPILES
FIGURES
FIGURE 1: SITE LOCATION
FIGURE 2: SAMPLE LOCATIONS
APPENDICES
APPENDIX A: PERMITS/DOCUMENTATION - UST REMOVAL, RINSATE MANIFEST,
UST DESTRUCTION DOCUMENT, COMPACTION CERTIFICATE
APPENDIX B: PREVIOUS INVESTIGATION REPORT BY CONSOLIDATED TESTING
LABORATORY
APPENDIX C: GEORESEARCH SOIL SAMPLING PROCEDURES
APPENDIX D: SUMMARIES OF ANALYTICAL METHODS: SOIL SAMPLES
APPENDIX E: LABORATORY ANALYTICAL REPORTS
UN7048.TC110992F4
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STkEEMENT OF LIMITATIONS AND PROFESSIONAL CERTIFICATION
Information provided in this report for GeoResearch Project Number
9370007 is intended exclusively for Unocal Corporate Environmental
Remediation and Technology for the evaluation of petroleum
hydrocarbon occurrence as it pertains to the subject site at the
time the data were collected. The professional services have been
performed in accordance with practices generally accepted by
professional geologists, hydrologists, engineers, and environmental
specialists. No other warranty, expressed or implied, is made. As
with all subsurface investigations, there is no guarantee that the
work conducted will identify any and all sources or locations of
contamination. This report is issued with the understanding that
Unocal Corporate Environmental Remediation and Technology is
responsible for ensuring that the information contained in this
report is brought to the attention of the appropriate regulatory
agency. The enclosed report has been reviewed by an engineering
geologist certified in the state of California and whose signature
and certification number appear below.
~4:-~
¿V1A-- C)/ ~rY
Warren W. Gross, C.E.G. No. 1528
Associate Geologist
Blair Redfearn
Senior Staff Geologist
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EXECUTIVE SUMMARY
In September of 1992, GeoResearch observed the removal of the
underground fuel storage tanks (USTs) and associated product lines
at Unocal Service station No. 7048, located at 2518 White Lane,
Bakersfield, California (Figure 1). Soil samples were collected
and laboratory analysis was completed in accordance with the work
plan. The purpose of our activities was to determine and document
the suitability of the site for UST closure by the Bakersfield Fire
Department. Our objectives were to: 1) observe the condition of
soil underlying the underground fuel storage tanks (USTs), fuel
dispensers, product lines, and near the former automotive hoist, 2)
document the condition of soils with respect to the presence of
petroleum hydrocarbons and other tested analytes, 3) direct the
removal of these soils (where possible), and 4) prepare a written
report presenting the results of these efforts. The investigation
did not include the demolition of the station building or removal
of the dispenser islands and canopies.
Concentrations of TPH-D of up to 13,000 mg/kg were identified
beneath the diesel dispenser at a depth of 11 feet bgs. Further
investigation was not practical due to the risk of loose and caving
sands undermining the island and the nearby canopy support.
According to laboratory reports, concentrations of TPH-D and TPH-G
of up to 630 and 250 mg/kg, respectively, were identified at the
west end of island No. 1 at 6 feet bgs. Soil samples collected
near the east end of island No. 1 were reported to contain TPH-D
and TPH-G of up to 630 and 9,700 mg/kg, respectively. These soils
were not removed. Only slight concentrations of toluene and/or
total xylenes were detected in the soil samples collected at 11
feet bgs at these locations. However, hydrocarbon odors were quite
strong to a depth of 11 feet bgs and additional confirmation sample
collection was impractical due the caving sands.
Soil samples were collected from beneath the gasoline/diesel USTs.
Those soils which were identified as containing significant
concentrations of petroleum hydrocarbons were excavated and
stockpiled on-site. Confirmation soil samples collected from
beneath the USTs and from the sidewalls of the UST excavation
adequately verified the removal of petroleum hydrocarbons in most
of the pit area. However, additional excavation was not feasible
beneath T3 where low concentrations of TPH-D (33 mg/kg) were
identified.
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1.0 INTRODUCTION
In September of 1992, GeoResearch observed the removal of the
underground fuel storage tanks (USTs) and associated product lines
at Unocal Service Station No. 7048, located at 2518 white Lane,
Bakersfield, California (Figure 1). The work was completed in
accordance with a work plan dated August 21, 1992 which was
submitted to Unocal and authorized by Mr. Robert Boust. Soil
samples were collected and laboratory analysis was completed in
accordance with the work plan.
The purpose of our activities was to determine and document the
suitability of the site for UST closure by the Bakersfield Fire
Department. Our objectives were to: 1) observe the condition of
soil underlying the underground fuel storage tanks (USTs), fuel
dispensers, product lines, and near the former automotive hoist, 2)
document the condition of soils with respect to the presence of
petroleum hydrocarbons and other tested analytes, 3) direct the
removal of these soils (where possible), and 4) prepare a written
report presenting the results of these efforts. The investigation
did not include the demolition of the station building or removal
of the dispenser islands and canopies.
The removal of the USTs and product lines was conducted by Wegener
Construction of Bakersfield, California. Soil samples were
submitted to GEOTEST of Long Beach, California, a state of
California Department of Health Services (CAL-DOHS)-certified
mobile laboratory, for on-site analysis. Selected soil samples
were analyzed by GEOTEST in their Long Beach facility. Soil
samples required by the Bakersfield Fire Department (BFD) were
collected under the direction of BFD Hazardous Materials
Specialist, Mr. Joseph A. Dunwoody. Mr. Frank Pinnell of Five-star
Enterprises, representing Unocal Environmental Remediation and
Technology (C.E.R.T), was on-site during the UST removals. The
rinsate removed from the USTs was hauled by MP Environmental
Services of Bakersfield, California to Gibson oil Refinery also
located in Bakersfield for recycling. The USTs were transported to
Golden state Metals, Inc. of Bakersfield by Whitten Excavation to
be recycled. Permits, uniform hazardous waste manifest, tank
disposition documentation, and soil compaction certifications were
provided by Wegener (Appendix A) .
six single-wall steel USTs were located at the site. Five fuel
USTs were located in the northwest portion of the site and one 550-
gallon waste-oil UST located northeast of the building (Figure 2) .
Two dispenser islands, located south of the building, formerly
contained four unleaded fuel dispensers on each. One dispenser
island, located west of the building, formerly contained one
unleaded dispenser at the north end and one diesel dispenser at the
south end.
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2.0 BACKGROUND
GeoResearch reviewed a Phase I Environmental site Assessment of the
site provided by Unocal which was conducted by PHR Environmental
Consultants, Inc, (PHR, October, 1992). According to the report,
the site was formerly occupied by a Thrifty self-serve station
built in 1981. Unocal purchased the station in May of 1984. At
the time of the purchase, the 15,000-gallon, 10,000-gallon, and
both 6, OOO-gallon USTs and the 550-gallon waste-oil UST were
present on the site. The Phase I report did not indicate the
presence of the fifth UST (12,000-gallon). The date of station
refurbishment, including removing the waste-oil tank, two vehicle
hoists and a clarifier from service was not specified in the Phase
I report. A 1988 Unocal General Arrangement Plan mislabeled the
easternmost 15,000-gallon tank as a 12,OOO-gallon tank.
According to the Phase I report, in 1984 the two 6,000-gallon USTs
were manifolded together and backflow valves and leak detectors
were installed. In 1985, the manifold valve stuck open and fuel
from one of the USTs was pumped into the other and out the fill
port on to the surface. An unknown quantity of fuel was lost.
Subsequently, an investigation was conducted by Consolidated
Testing Laboratory of Bakersfield, California which included
drilling a 40 foot boring between the easternmost 6,000-gallon tank
and the adjacent 10,000-gallon tank. Soil samples from the boring
were tested only for BTEX, EDB, and isopropylbenzene. None of
these parameters were detected below 10 feet bgs. A copy of the
consolidated report was provided to GeoResearch by Mr. Dunwoody of
the BFD (Appendix B). Neither the Consolidated report nor the
Phase I report clearly indicates if the fuel spilled was gasoline
or diesel or which type of fuel was contained in the 6,000-gallon
tanks at the time.
3.0 SITE GEOLOGY/HYDROGEOLOGY
Soils beneath the site consist of alluvial material derived from
the Sierra Nevada to the east and the Tehachapi mountains to the
south. This heterogeneous section of Pleistocene and Pliocene
alluvium is on the order of 5,000 feet thick in the Bakersfield
area and is composed of unconsolidated sand, gravel, silt, clayey
sand and clay. Pliocene-Pleistocene continental clastic deposits
overlie the Tertiary basement. The Tertiary basement, composed of
granitic and metamorphic rocks, underlies the clastic section at a
depth on the order of 15,000 feet below ground surface (Hackel,
1960) . Observations made at the time of the investigation
indicated that the upper three to four feet of soil was composed of
silty sand underlain by a section of massive unconsolidated coarse-
grain sand. According to Kern County Water Agency, Water Supply
Report, September 1991, District 41, depth to ground water beneath
the project site is approximately 185 feet bgs.
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4.0 OBSERVATIONS/PROCEDURES
During the site activities, soils in suspect areas were monitored
with an h-nu Systems orgànic vapor analyzer (OVA) with a 10.2 EV
probe in order to obtain a preliminary assessment of the presence
of hydrocarbons and to facilitate compliance with the San Joaquin
Valley Unified Air Pollution Control District (SJVUAPCD)
requirements.
Soil samples were collected in accordance with BFD requirements and
according to standard GeoResearch procedures (Appendix C). Samples
required by the BFD included those adjacent to each individual fuel
dispenser and beneath the USTs at 2 and 6 feet bgs. Where
possible, additional excavation was performed in areas where
laboratory data indicated the presence of hydrocarbons in the soil.
Subsequently, additional samples were collected in those areas and
analyzed. The tendency for the UST excavation sidewalls to cave
contributed to the expansion of the size of the pit.
For soil sample identification purposes, the gasoline and diesel
USTs were designated T1 through T5 from east to west. The waste-
oil UST was designated as WOo Soil samples were identified by
their location and depth. For example, sample number T1-N-14 was
collected beneath the north end of TI (15,OOO-gallon UST) at a
depth of 14 feet bgs. Soil samples collected near the product
lines were designated PL#-depth. Soil samples collected near the
former automotive hoists were designated H#-depth. Soil samples
collected near the fuel dispensers were designated D#-depth.
Stockpile samples were designated SP-#. UST sidewall soil samples
were designated SS#-depth.
The dispenser islands located south of the building are designated
as No. 1 and No. 2 (No. 1 closest to the building). The one island
located west of the station is designated as island No.3.
Eighty-seven soil samples were collected and preserveq for
laboratory analysis (Figure 2). An additional 15 soil samples
were collected from soil stockpiles and composited by the
laboratory into 5 samples for analysis.
4.1 GASOLINE/DIESEL/WASTE-OIL USTs
Prior to their removal, the USTs were triple rinsed by Wegener
Construction, packed with dry ice and rendered inert. During the
initial excavation of the USTs, soil near the fill ports (north
ends) and the turbines (south ends) of the five gasoline/diesel
USTs was observed to be slightly discolored and have strong
hydrocarbon odors. The two 6,000-gallon diesel USTs were noted to
be manifolded together as discussed in the overfilling incident of
1985 (Appendix B).
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Mr. Dunwoody approved the removal of the tanks after the tanks were
checked with an explosivity meter and the interior found to contain
less than one percent of the lower explosive limit (LEL). After
the gasoline/diesel USTs were removed from the excavation, they
appeared to be in fair condition. They were rusted with moderate
corrosion pitting. No holes were observed.
soil beneath each end of the gasoline USTs was observed to be
slightly discolored and contain petroleum odors. Soil beneath the
entire length of the two diesel USTs was slightly discolored and
exhibited diesel odors. soil with field evidence of contamination
was removed from the pit and stockpiled on-site. The soil thought
to contain predominately diesel fuel (approximately 150 cubic
yards) was stockpiled separately from that removed from near the
gasoline tanks (approximately 400 cubic yards). The "diesel" and
"gasoline" soil stockpiles were placed in the southwest and
southeast corners, respectively, of the site (Figure 2).
In accordance with BFD requirements, soil samples were collected
beneath each UST (Table 1, Figure 2). soil samples were also
collected from the UST excavation sidewalls for additional
assurance of the removal of soil containing hydrocarbons.
soil around and above the SSO-gallon waste-oil UST did not contain
evidence of overfill or leakage. When the UST was removed, holes
up to 1/4 inch diameter were noted to be rusted through the bottom
of the tank. The tank was also covered with moderate corrosion
pitting. soil beneath the UST was not stained and did not contain
field evidence of leakage. Soil removed from the waste-oil UST pit
(approximately 10 cubic yards) was stockpiled separately pending
results of laboratory analysis of soil samples.
4.2 PRODUCT LINES
The product lines were purged with water, flushing the contents
back into the USTs prior to their removal by Wegener Construction.
In accordance with BFD requirements, soil samples were collected
beneath the product lines at 20 foot intervals, at each elbow, and
where field evidence indicated the presence of hydrocarbons.
Fiberglass product lines were located on the south side of island
No.1 and leading to island No.3. Fiberglass product lines were
also located on the south side of island No. 2 trending north near
the west side of building to the USTs (Figure 2). Abandoned steel
product lines were located between the two fiberglass product line
trenches leading from dispenser island # 1 to the USTs. An
abandoned metal product line was also connecting the west ends of
islands No.1 and No.2.
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soil beneath a spliced fiberglass product line (west of dispenser
islands No. 1 and No.2) was stained gray-green to a depth of
approximately 3 feet bgs and contained gasoline odors. The stained
soil was removed, stockpiled on-site, and confirmation soil samples
PL2-4 and PL2-8 were collected.
Soil collected approximately 20 feet north of island No. 1 (PL4-4)
beneath one of the fiberglass product lines, was reported to
contain high concentrations of petroleum hydrocarbons at 4 feet
bgs. Visual staining or hydrocarbon odors were not observed in
this area. The sample collected at 8 feet bgs at this same
location was not reported to contain petroleum hydrocarbons.
4.3 DISPENSER ISLANDS
Soil samples required by the BFD were collected on the south and
west sides of the islands (product line side), immediately adjacent
to each dispenser, at 2 and 6 feet bgs. Soil adj acent to and
underlying island No. 2 did not contain soil staining or evidence
of hydrocarbons.
Soil adjacent to and underlying both ends of fuel island No. 1
contained gray-green hydrocarbon staining and strong hydrocarbon
odors to depths in excess of 6 feet bgs.
Soil beneath and adjacent to the south end of island No. 3 (former
diesel dispenser) was observed to be stained dark brown to black
and contain strong diesel odors to a depth of approximately 6 feet
bgs. Due the evidence of hydrocarbons in the soil, the 2 foot bgs
sample was not collected and the 6 foot bgs sample was not
analyzed. Additional excavation was completed as described below.
Soil beneath the northern dispenser on island No. 3 did not contain
evidence of hydrocarbons.
Following the collection of the required samples, sampling trenches
were dug adjacent to each end of fuel island No. 1 and adjacent to
the diesel dispenser on fuel island No.3. The sample trenches
were completed in order to define the vertical extent of the
hydrocarbons at each location. A depth of approximately 11 feet
bgs was reached at each of the three locations and soil samples
were collected. Soil collected at 11 feet bgs was loose sand and
did not appear hydrocarbon stained. Soil removed from the trenches
contained very strong hydrocarbon odors from the surface to eleven
feet bgs. Trenching below 11 feet bgs was not feasible due to the
presence of loose and caving sands which would have jeopardized the
stability of the dispenser island and overhead canopy. Soil
removed from these trenches was immediately replaced following the
collection of soil samples so as to minimize the release of
volatile organic compounds (VOCs) and to preserve the integrity of
the islands and canopies.
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4.4 SERVICE BAY AREA
The garage clarifier near the north side of the former service bay
contained approximately 10 gallons of oily sludge. This oily
sludge was disposed of at the same time the USTs were pumped and
rinsed.
Two borings were drilled in the former service bay area by hand
auger methods (Appendix D). Each boring was drilled to a depth of
10 feet bgs immediately adjacent to the former hoists and near the
clarifier (Figure 2). Soil samples were collected at 5 and 10 feet
bgs in each boring. Soil staining or evidence of hydrocarbons was
not observed in either boring.
5.0 LABORATORY RESULTS
5.1 ANALYTICAL PROCEDURE
Selected soil samples collected on 9/16/92 and 9/17/92 were
analyzed on-site by GEOTEST. The remainder of the soil samples
were analyzed by GEOTEST in their Long Beach, California laboratory
(Appendix D).
Soil samples collected from beneath the gasoline/diesel USTs,
beneath metal/fiberglass product lines, and their associated
dispensers were analyzed for total petroleum hydrocarbons as
gasoline (TPH-G) and/or total petroleum hydrocarbons as diesel
(TPH-D) by California Department of Health Services (CAL/DOHS)
methods. These samples were also analyzed for benzene, toluene,
ethylbenzene, and total xyl€?nes (BTEX) in accordance with EPA
Method 8020. As directed by the BFD, Soil samples collected from
the waste-oil UST excavation were selectively analyzed for total
recoverable petroleum hydrocarbons (TRPH) by EPA Method 418.1,
halogenated volatile organics by EPA Method 8010, and CAM 17 metals
in accordance with EPA Title 22 Descriptions of laboratory
analytical methods are included in Appendix C.
5.2 GASOLINE/DIESEL/WASTE-OIL USTs
Thirty-three soil samples were collected and analyzed to
characterize the presence of hydrocarbons beneath the former USTs
(Table 1). Required samples were collected at 2 and 6 feet below
the bottoms of the USTs (14 and 18 feet bgs, Table 1). According
to laboratory reports, concentrations of TPH-G/BTEX were not
detected in samples collected at either end or the center of T1
(15,000-gallon gasoline UST). only trace concentrations of TPH-G,
TPH-D, toluene, and total xylenes were detected beneath T2, T4, and
T5.
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Concentrations of TPH-D were detected in required samples (T3-S-14
and T3-S-18) beneath the south end of tank T3 (easternmost diesel
tank). These samples were reported to contain TPH-D of up to 75
mg/kg and TPH-G of up to 2.8 mg/kg. This area was further
excavated to a depth of 26 feet bgs and soil sample T3-S-26 was
collected. This sample was not reported to contain TPH-G, TPH-D,
benzene, ethylbenzene, or total xylenes and only a trace amount of
toluene.
Seven samples were collected from the UST excavation sidewalls at
18 feet bgs for additional assurance of the removal of soil
containing petroleum hydrocarbons. Soil samples collected from the
north, east, and west sidewalls were not reported to contain TPH-G,
TPH-D, or BTEX. Two soil samples (SS6-18 and SS7-18), collected
from the south sidewall, contained 31 and 33 mg/kg TPH-D,
respectively, with no TPH-G or BTEX. Caving sands prevented
further excavation and sampling in area of these samples.
Soil samples were collected beneath the waste-oil UST at 10 and 13
feet bgs (WO-C-10, WO-C-13) and analyzed for TRPH (Table 4). Soil
sample WO-C-13 was also analyzed for halogenated volatile organics
(EPA Method 8010) and Title 22 Metals as prescribed by the BFD
(Tables 5 and 6). According to laboratory reports, concentrations
of TRPH or EPA Method 8010 compounds were not detected.
Concentrations above 10 times the soluble threshold limit
concentration (STLC) for Title 22 Metals were also not reported.
Soil samples were also collected from three of the sidewalls of the
waste-oil excavation at 11 feet bgs. These samples were analyzed
for TRPH; however, no detectable concentrations were reported.
5.2 PRODUCT LINES
Twenty-one soil samples were collected beneath the product lines at
2 and 6 feet bgs (Table 2). Of these twenty-one soil samples,
three were reported to contain TPH-G above the detection limits.
The highest TPH-G concentration (1,100 mg/kg) was found in soil
sample PL4-4, collected at 4 foot bgs beneath the product line
located north of dispenser island No.1. This soil sample also
contained the only detectable concentration of benzene beneath a
product line (4.8 mg/kg). The soil sample collected at this same
location at 8 feet bgs (PL4-8) did not contain TPH-G or BTEX above
detection limits.
Soil sample PL5-4, collected north of PL-4, was reported to contain
TPH-G at 48 mg/kg and no BTEX. Sample PL6-4, collected north of
island No.3, was reported to contain TPH-G at 11 mg/kg and trace
amounts of toluene, ethylbenzene, and total xylenes. Soil samples
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collected below these two samples at 8 feet bgs (PL5-8 and PL6-8)
did not contain detectable concentrations of TPH-G or benzene,
ethylbenzene, or total xylenes.
Concentrations of TPH-D, toluene, and total xylenes near detection
limits were also reported in other various soil samples collected
near the product lines.
5.3 FUEL DISPENSERS
The most significant concentrations of petroleum hydrocarbons in
the soil were found near the east and west ends of island No. 1 and
near the south end of island No. 3 (Table 3). According to
laboratory chromatograms, soil samples collected near the west end
of island No. 1 contained hydrocarbons which exhibited a diesel
profile, therefore the samples were further analyzed for TPH-D.
Soil samples collected adjacent to the west end of island No. 1
(D6-6) contained TPH-D and TPH-G of up to 630 and 250 mg/kg,
respectively, and no benzene. Soil samples collected adjacent to
the east end of island No. 1 at 6 feet bgs (D7-6 and D8-6)
contained TPH-G of up to 9,700 and 1,400 mg/kg, respectively, and
TPH-D of 630 and 830 mg/kg, respectively. soil sample D7-6
contained the highest benzene concentration (45 mg/kg). Soil
sample D8-6 contained 0.98 mg/kg benzene.
Soil sample D10-11, collected adjacent to the diesel dispenser at
11 feet bgs, was reported to contain TPH-D at 13,000 mg/kg and no
BTEX.
The remaining laboratory results indicated either not detected or
very low concentrations of analytes (Table 3).
5.4 SERVICE BAY
soil samples collected at 5 and 10 feet bgs near the two former
automotive hoists were not reported to contain detectable
concentrations of TRPH (Table 4).
6.0 STOCKPILED SOIL
Approximately 560 cubic yards of soil was excavated and stockpiled
on-site (Figure 2). Soil originating from near .the gasoline USTs
(approximately 400 cubic yards) was stockpiled separately from soil
originating near the diesel USTs (approximately 150 cubic yards) .
The remaining 10 cubic yards of soil was excavated from near the
waste-oil UST.
UN7048.TC110992F4
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.::::; ~
. - - - ~
--
---=-~ ~-
"-~
Soil sampíes collected from the diesel stockpile (SP-1, SP-2, SP-3,
and SP-4) were composited by the laboratory and analyzed for TPH-G,
TPH-Dj and BTEX (Table 7). According to laboratory reports this
soil contained 23 mg/kg TPH-D. TPH-G and BTEX were not detected.
Nine soil samples were collected from the gasoline stockpile and
composited by the laboratory for three TPH-G, TPH-D, and BTEX
analyses (SP-5 through SP-13, Table 7). According to laboratory
reports this soil contained concentrations of TPH-G up to 3.6
mg/kg, TPH-D of up to 27 mg/kg, and 0.050 mg/kg total xylenes. No
benzene, toluene, or ethylbenzene was reported.
Two soil samples were collected from stockpiled soil removed from
the waste-oil pit and composited by the laboratory for one TRPH
analysis (SP-14 and SP-15). According to laboratory report, TRPH
was not detected in this sample.
7.0 BACKFILL/COMPACTION
Approximately 920 cubic yards of soil was imported to backfill the
UST pit bringing it up to approximately 18 inches below grade. On
August 15, 1992, permission was obtained from Mr. Dunwoody of the
BFD to utilize approximately 200 cubic yards of the on-site
stockpiled soil to complete the backfilling. This soil had been
removed from near the gasoline USTs. This permission was based on
the verbal communication of the laboratory results presented in
Table 7 to Mr. Dunwoody. The backfilled soil in the UST pits was
compacted and certified by a state of California licensed civil
engineer (Appendix A). Subsequently, the area was re-paved with
asphalt by Wegener Construction.
8.0 SUMMARY AND CONCLUSIONS
According to laboratory reports, concentrations of TPH-D of up to
13,000 mg/kg were identified beneath the diesel dispenser at a
depth of 11 feet bgs. Further investigation was not practical due
to the risk of loose and caving sands which would have undermined
the island and the nearby canopy support. The vertical extent of
diesel fuel in soils in this area has not been determined.
Concentrations of TPH-D and TPH-G of up to 630 and 250 mg/kg,
respectively, were identified at the west end of island No.1 at 6
feet bgs. Soil samples collected near the east end of island No.
1 were reported to contain TPH-D and TPH-G of up to 630 and 9,700
mg/kg, respectively. These soils were not removed. Only slight
concentrations of toluene and/or total xylenes were detected in the
soil samples collected at 11 feet bgs at these locations. However,
UN7048.TC110992F4
9
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,~
hydrocarbon odors were quite strong to a depth of 11 feet bgs and
additional confirmation sample collection was impractical due the
caving sands.
soil samples were collected from beneath the gasoline/diesel USTs.
Those soils which were identified as containing significant
concentrations of petroleum hydrocarbons were excavated and
stockpiled on-site. Confirmation soil samples collected from
beneath the USTs and from the sidewalls of the UST excavation
adequately verified the removal of petroleum hydrocarbons in most
of the pit area. However, additional excavatîon was not feasible
beneath T3 where low concentrations of TPH-D (33 mg/kg) were
identified. A historical fuel release at the T3/T4 location has
been documented.
The waste-oil UST pit did not contain evidence of petroleum
hydrocarbons; however, the waste-oil UST was observed to contain
holes rusted through the bottom. Based on the lack of evidence of
a hydrocarbon release (supported by laboratory data), it appears
likely that the holes occurred after the UST was decommissioned.
Low concentrations of petroleum hydrocarbons were identified in
various areas beneath product lines. Visual soil staining was
identified beneath one product line west of islands No. 1 and No.
2. These soils were removed and confirmation samples were
collected for verification.
According to laboratory reports, soil samples collected at 5 and 10
feet bgs near the former automotive hoists do not contain
detectable concentrations of petroleum hydrocarbons.
9.0 REFERENCES
Hackel, otto, 1966, Summary Of The Geoloqy Of The Great Valley
Geology of Northern California, California Division of Mines
Bulletin 190, Chapter 5, page 217 - 238.
Kern County Water Agency, Improvement District No.4, 1991 REPORT
ON WATER CONDITIONS
uni ted States Department of Interior, Geologic Survey, Gosford
Quadrangle, 7.5 Series, 1954, Photorevised 1968 and 1973
PHR Environmental Consultants, INC., Phase I Environmental site
Assessment, October 2, 1992.
UN7048.TC110992F4
10
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GeoResearch
1713 Tulare, Suite 113
Fresno, California 93721
(209) 264-0444
(800) 523-4786
Fax: (209) 264-9800
. .:..' .~
RECEIVED
f£B 2 5 1993
HAZ. MAT. DJV.
February 22, 1993
Mr. Joe Dunwoody
Hazardous Materials Specialist
Bakersfield City Fire Department
Hazardous Materials Division
213 "G" Street
Bakersfield, CA 93301
RE:
Tank Closure report for Unocal station No. 7048, 2518 White
Lane, Bakersfield, California. GeoResearch Project Number
9370007.
Dear Mr. Dunwoody:
On behalf of Unoca1, GeoResearch is submitting the enclosed tank
closure report for the above-referenced site. If you have any
questions, please call me at (209) 264-0444.
Sincerely,
?9k~ ~~
Warren W. Gross
Associate Geologist C.E.G. #1528
enclosure
cc: Ed Ralston, Unocal corporation
UN7048.TC110992F4
GeoResearch is a division of GEOSERVICES, a California corporation
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TABLE 1
RESULTS OF LABORATORY ANALYSES OF SOIL SAMPLES
COLLECTED IN THE GASOLINE/DIESEL UST EXCAVATION
UNOCAL SERVICE STATION NO. 7048
2518 WHITE LANE
BAKERSFIELD, CALIFORNIA
SAMPLE SAMPLE TPH-D TPH-G B T E X
ID DATE (DOHS) (DOHS) EPA METHOD 8020
mg/kg, mg/kg ------ (mg/kg) -------
T1-S-14 9/16/92 na ND ND ND ND ND
T1-S-18 " na ND ND ND ND ND
T1-C-14 " na ND ND ND ND ND
T1-C-18 " na ND ND ND ND ND
T1-N-14 " na ND ND ND ND ND
T1-N-18 " na ND ND ND ND ND
T2-S-14 " na ND ND ND ND ND
T2-S-18 " na 2.0 ND 0.006 ND ND
T2-N-14 " na ND ND ND ND ND
T2-N-18 " na ND ND ND ND NO
+T3-S-14 " 75 1.3 ND ND ND ND
+T3-S-18 " 10 2.8 0.005 0.012 ND 0.016
+T3-S-22 9/17/92 280 110 ND 0.013 ND 0.046
T3-S-26 " ND ND ND 0.007 ND ND
T3-N-14 9/16/92 ND ND ND ND ND ND
T3-N-18 " ND ND ND ND ND ND
T4-S-14 " NO NO NO NO ND NO
T4-S-18 " 15 ND ND ND ND ND
T4-N-14 " ND ND ND ND ND ND
T4-N-18 " NO ND NO 0.008 NO ND
T5-S-14 " ND NO ND ND ND NO
T5-S-18 " 5.4 ND ND ND ND NO
T5-C-14 " ND ND ND ND ND ND
UN7048.TC110992F4
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TABLE 1
(Continued)
SAMPLE SAMPLE TPH-D TPH-G B T E X
ID DATE (DOHS) (DOHS) EPA METHOD 8020
rng/kg rng/kg ------ (rng/kg) -------
T5-C-18 " 26 ND ND 0.011 ND 0.017
T5-N-14 9/16/92 ND ND ND ND ND ND
T5-N-18 " ND ND ND 0.009 ND ND
SSl-18 9/J.7/92 ND ND ND ND ND ND '
SS2-18 " ND ND ND ND ND ND
SS3-18 " ND ND ND ND ND ND
SS4-18 " na ND ND ND ND ND
SS5-18 " na ND ND ND ND ND
SS6-18 " 31 ND ND ND ND ND
SS7-18 " 33 ND ND ND ND ND
DETECTION 10 1.0 --------0.005------ 0.015
LIMITS -----------------rng/kg------------------
Table notes followlng Table 7.
UN7048.TC110992F4
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-
TABLE 2
RESULTS OF LABORATORY ANALYSES OF SOIL SAMPLES - PRODUCT LINES
UNOCAL SERVICE STATION NO. 7048
2518 WHITE LANE
BAKERSFIELD, CALIFORNIA
SAMPLE SAMPLE TPH-D TPH-G B T E X
ID DATE DOHS DOHS EPA METHOD 8020
rng/kg rng/kg ------- (rng/kg) -------
PLl-4 9/15/92 na ND ND ND ND ND
PLl-8 .. na ND ND ND ND ND
+PL2-4 .. na ND ND 0.019 NO 0.040
PL2-8 .. na ND ND ND NO ND
PL3-4 .. na ND ND 0.006 ND ND
PL3-8 " na ND ND NO NO ND
PL4-4 .. na 1100 4.8 57 19 110
PL4-8 " na ND ND ND NO ND
PL5-4 .. na 48 ND ND ND ND
PL5-8 " na ND ND 0.006 ND ND
PL6-4 .. na 11 ND 0.031 0.009 0.061
PL6-8 .. na ND NO 0.010 NO NO
PL7-4 9/16/92 na NO ND 0.007 ND NO
PL7-8 " na ND NO 0.008 NO NO
PL8-4 " na ND ND 0.007 ND ND
PL8-8 " na NO ND 0.005 NO NO
PL9-4 .. NO na ND 0.008 ND ND
PL9-8 .. 6.4 ND ND ND ND ND
PL10-4 .. na ND ND ND ND ND
PL10-8 .. na ND NO ND NO NO
,.
UN7048.TC110992F4
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TABLE 2
(Continued)
SAMPLE SAMPLE TPH-D TPH-G B T E X
ID DATE DOHS DOHS EPA METHOD 8020
mg/kg mg/kg ------- (mgjkg) -------
PLll-4 II na ND ND 0.007 ND ND
-
PLll-8 II na ND ND ND . ND ND
PL12-4 II na 3.0 ND 0.017 ND 0.032
PL12-8 II na ND ND ND ND ND
DETECTION 10 1.0 --------0.005------- 0.015
LIMITS -----------------mg/kg-------------------
Table notes followlng Table 7.
UN7048.TC110992f4
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--
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TABLE 3
RESULTS OF LABORATORY ANALYSES OF SOIL SAMPLES - FUEL DISPENSERS
UNOCAL SERVICE STATION NO. 7048
2518 WHITE LANE
BAKERSFIELD, CALIFORNIA
SAMPLE SAMPLE TPH-D TPH-G B T E X
ID DATE DOHS DOHS EPA METHOD 8020
------- (mg/kg) -------
Dl-2 9/15/92 na NO ND ND ND ND
Dl-6 II na ND ND ND ND ND
D2-2 II na ND ND ND ND ND
D2-6 II na ND ND ND ND ND
D3-2 " na NO ND ND ND ND
03-6 " na NO ND 0.012 ND ND
D4-2 II na ND ND ND NO ND
04-6 II na ND ND ND ND ND
D5-2 II na ND ND 0.006 ND ND
D5-6 " 43 3.9 ND ND ND ND
D6-2 " na ND ND ND ND ND
D6-6 " 630 250 ND 0.021 0.006 0.98
D6-11 9/17/92 NO ND ND 0.006 ND ND
D7-2 9/15/92 na 1,100 5.6 48 9.8 87
D7-6 " 630 9,700 45 640 170 2000
D7-11 9/17/92 ND NO ND 0.013 ND 0.052
D8-2 9/15/92 na 3.0 0.017 0.11 0.028 0.34
08-6 " 830* 1400 0.98 12 3.2 67
D9-2 " na NO ND ND ND ND
D9-6 " na ND ND ND ND ND
D10-11 " 13000 na ND ND ND ND
DETECTION 10 1.0 ------- 0.005------- 0.015
LIMITS -----------------mg/kg-------------------
Table notes followlng Table 7.
UN7048.TC110992F4
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TABLE 4
RESULTS OF LABORATORY ANALYSES OF SOIL SAMPLES
WASTE-OIL UST PIT/FORMER AUTOMOTIVE HOISTS
UNOCAL SERVICE STATION NO. 7048
2518 WHITE LANE
BAKERSFIELD, CALIFORNIA
SAMPLE SAMPLE TRPH TPH-G B T E X
ID DATE EPA 418.1 CAL/DOHS EPA 8020
------------mg/kg------------
AUTOMOTIVE HOIST
Hl-5 9/15/92 ND na
H1-10 " ND na
H2-5 " NO na
H2-10 " NO na
WASTE-OIL UST
WO-C-10 9/16/92 ND na
WO-C-13 " ND ND ND 0.017 ND 0.038
'-
WO-W-l1 9/17/92 NO na
WO-SE-11 " NO na
WO-NE-11 " ND na
DETECTION 50 1.0 ---0.005--- 0.015
LIMITS ----------------mg/kg---------------
Table notes followlng Table 7.
UN7048.TC110992F4
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TABLE 5
RESULTS OF LABORATORY ANALYSES FOR SOIL SAMPLE WO-C-13
COLLECTED FROM THE WASTE-OIL PIT
UNOCAL SERVICE STATION NO. 7048
2518 WHITE LANE
BAKERSFIELD, CALIFORNIA
COMPOUNDS EPA METHOD DETECTION
8010 LIMIT
(mgjkg) (mgjkg)
Chloromethane ND 0.050
Bromomethane ND 0.050
vinyl Chloride ND 0.050
Chloroethane ND 0.050
Trichlorofluoromethane ND 0.010
1,1-Dichloroethene ND 0.010
Methylene Chloride ND 0.10
1,1-Dichloroethane ND 0.10
cis-1,2-dichloroethene ND 0.010
trans-l,2-Dichloroethene ND 0.010
Chloroform ND 0.010
1,2-Dichloroethane ND 0.010
1, 1, I-Trichloroethane ND 0.010
Carbon Tetrachloride ND 0.010
Bromodichloromethane ND 0.010
1,2-Dichloropropane ND 0.010
cis-l,3-Dichloropropene ND 0.010
Trichlorethene ND 0.010
Dibromochloromethane ND 0.010
1,1,2-Trichloroethane ND 0.010
trans-1,3-dichloropropene ND 0.010
Bromoform ND 0.050
Tetrachloroethene ND 0.010
UN7048.TC110992F4
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TABLE 5
(Continued)
COMPOUNDS EPA METHOD DETECTION
8010 LIMIT
(mg/kg) (mg/kg)
1, 1, 2, 2-Tetrachloroethane ND 0.010
Chlorobenzene ND 0.010
1,3-Dichlorobenzene ND 0.010
1,4-Dichlorobenzene ND 0.010
1,2-Dichlorobenzene ND 0.010
Table notes followlng Table 7.
UN7048.TC110992F4
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--
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TABLE 6
RESULTS OF TITLE 22 METALS ANALYSIS FOR SOIL SAMPLE WO-C-13
COLLECTED IN WASTE-OIL PIT 9/16/92
UNOCAL SERVICE STATION NO. 7048
2518 WHITE LANE
BAKERSFIELD, CALIFORNIA
METALS EPA METHOD DETECTION
6010 LIMITS
mg/kg mg/kg
Antimony ND 0.91
Arsenic ND 3.0
Barium 88 0.5
Beryllium 0.52 0.06
Cadmium 0.31 0.12
Chromium 7.1 0.12
Cobalt 5.3 0.32
Copper 37 0.29
Lead 2.2 1.0
* Mercury ND 0.020
Molybdenum ND 2.0
Nickel 4.9 0.20
Selenium ND 1.6
Silver ND 0.18
Thallium ND 5.0
Vanadium 22 0.17
Zinc 48 0.11
* Mercury analysls by Cold vapor/Atomlc Absorptlon accordlng to EPA
Method 7470.
Table notes following Table 7.
UN7048.TC110992F4
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TABLE 7
RESULTS OF LABORATORY ANALYSES OF COMPOSITED SOIL SAMPLES
COLLECTED FROM STOCKPILES
UNOCAL SERVICE STATION NO. 7048
2518 WHITE LANE
BAKERSFIELD, CALIFORNIA
SAMPLE TRPH TPH-D TPH-G B T E X
ID 418.1 --CALjDOHS-- EPA METHOD 8020
SP-l
SP-2 na 23 ND ND ND ND ND
SP-3
SP-4
SP-5
SP-6 na 12 3.6 ND ND ND ND
SP-7
SP-8
Sp-g na 27 2.0 ND ND ND 0.050
SP-I0
SP-ll
SP-12 na ND ND ND ND ND ND
SP-13
SP-14 ND na na na na na na
SP-15
1 DETECT. 50 10 1.0 ---------0.005-------- 0.015 I
------------------------mgjkg~------------------------
LIMITS
UN7048.TC110992F4
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NOTES Fo~ABLES:
CALI DOHS
EPA
TPH-G
TPH-D
TRPH
B
T
E
X
mglkg
ND
na
+
= California Department of Health Services
= u.S. Environmental Protection Agency
= Total Petroleum Hydrocarbons as Gasoline
= Total Petroleum Hydrocarbons as Diesel
= Total Recoverable Petroleum Hydrocarbons
= Benzene
Toluene
Ethylbenzene
= Xylenes
= milligrams per kilogram
= not detected (below laboratory detection
= sample not analyzed for this parameter
= Denotes sample collected from soil which
subsequently excavated
UN7048.TC110992F4
limi t)
was
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SCALE
UNOCAL SERVICE STATION NO 7048
2518 WHITE LANE
BAKERSFIELD, CALIFORNIA
GEDRESEARCH PROJECT}/O. 9370007
REFERENCE:
U.S.G.S. GOSFORD QUADRANGLE, 1956
RJ:.-VrSED, 1974
DA TEl 12/92
FlLE NO:
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NOTE:
TANKS "An ARE 6,000 GALLON DIESEL TANKS,
"8" IS A 12,000 GALLON GASOLINE TANK, "C" IS
A 10,000 GALLON GASOLINE TANK, AND "D" IS
A 15,000 GALLON GASOLINE TANK
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EXCAVATION
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,WO-C-13
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LIMIT OF EXCAVATION
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-N-14
-N-18
4
8
SOIL
STOCKPILE
\.
"-
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T4-S-14
H-S-18
\ SS
T5-C-14
T5-C-18
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T5-S-18
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S,NASH
SAMPLE LOCA nONS
UNOCAL SERVICE STA TlON 7048
2518 WHITE LANE
BAKERSFIELD, CALIFORNIA
PROJECT NUMBER: 9370007
93
fiGURE NO.
DRAWN BY:
CKD B,'!,: I ;..¡
c;lohlA;¡-
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B1
DAìE:
FILE NO:
WHITE LANE
I
NORTH
0 10 25 50
. ~ -
- -
SCALE IN FEET
LEGEND
555-18
X SAMPLE LOCATION
1
nes
Trench A & C - Fiberglass Lines
Trench B - Abandoned Steel Product L
T - Tank
D - Dispenser
PL - Product Line
SP - Stockpile
H - Hoist
\10 - \Jaste-O
S5 - Sidewal
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APPENDIX A
PERMITS/DOCUMENTATION
UST REMOVAL, UST RINSATE MANIFEST, UST DESTRUCTION DOCUMENT, SOIL
COMPACTION CERTIFICATION
UN7048.TCll0992F4
~
'.J L- . -
1 1 ::2 4- ~.J E Gr_ Eltd-.4 EF~ CDo N :::;t- T Rue T ION PERMA~~
Bakers Ie n-e ep.
HAZARDOUS MATERIALS DIVISION
UNDERGROUND STORAGE TANK PROGRAM
:.¿ _ a~ L
t-~.L
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\..1 "'_'::::,7
v ...,.,~
~OO.5
PERMIT APPLICATION FOR REMOVAL OF AN UNDERGROUND STORAGE TANK
SITE tNFORMATION
SITE ADORESSZtb\ß ~~ LA+J.g...ZIP CODe !2~-.k APN 4O?\o;;o~
FACILITY NAME~ÞL. 0'.~.-1,f.1DA6 CROSS STREET P'p-(~)=ŠO ~~U~
TANK OWNER/OPERATOR ~ ~TLa.l PHONE No, P'h-- o/7i-7{¡æ?
MAILING ADDRESS gl\ W~¡~ ~~~ CITY L..~ ~ ZIP CODE ~\1
CONTRACTOR INFORMATION
COMPANY 1JSbeJJ~ CO~? '9t.~ PHONE No,eos·~",~ LICENSE No. 41~\'B
ADDRESS 'lID ~n..JÞ.t=~ CllY~IB..O ZIP CODE ~~\Z.
INSURANCE CARRIER ~ïp..1e, fU~D WORKMENS COMP No. ¿764-~\A;4
PREtlMANARY ASSEMENT INFORMATION
COMPANY ~~þ.J...\N~ ~Wé'"'lt.Jetd~~NE No,<S\O-(J1.@"S\e>\ liCENSE No.
ADDRESS Ø-Çl. '14 ~\~ CI1Ye.et4~I~ ZIPCODE q)~\O
INSURANCE CARRIE~ WORKMENS COMP No.
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TANK CLEANING INFORMATION
ÇOMPAN~~~-r:~"'rlo::.. ~. PHONE NO.~-~\I::>\
ADDRESS ,k .2.-~ CITY ~,rz~e.# Ã7 ZIP CODe ~
WASTE 1KA SPORTER IDENTIFICATIO NUMB R ..2.ð~~
NAME OF !<INSTATE DISPOSAL FACILITY ~\~~ G'\L- ~ \SEFI~t-.,1~ ~ ~
ADDRESS ~cV VÙX"TO¡J þ..."F~. CITYE?~~~~ ZIP CODE q~~ ~
fACIUTYINDENTIFICATlON NUMBER CA-D~B?\1)
TANK TRANSPORTER tNFORMATION
COMPANY \.~\.l,\\\~-.\ ~:lCÄNJ.t.í\UIJ PHONE No-8Zb-~\'f%!7 LICENSE No,.e;v\í1JO/
.A.DDRESS Z4Z~ ÝIR6!t--.\Ih. þ.,V'é. CITY ~~~I~ZlP CODE ~::::Qo7
TANKDESilNATION 6~DËÑ &íhT~ t:16~ \f~'
TANK INFORMATION
rANK No.
VOLUME
AGE
CHEMICAL
STORED
J0Lf-~ ~ (4 ='L.J tJr::-....
J¡..!u:-j>.Q~ C~\~
~I";.~..A~
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O\~~ ~'6l-
DATES
STORED
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CHEMICAL
PREVIOUSLY STO~ED
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T:-:E APPllCA~'T HAS RECEIVED, UNDERSTANDS. AND WILL COMPtYWITH THE ATTACHED CONDITIONS OF THIS PERMIT AND ANY OTHER
Si ATE. LOCAL AND FEDERAL REGUtA nONS.
¡HiS FORM HAS SEEN COMPlETED UNDER PENAtiY OF PERJURY, ANO TO THE BEST OF MY KNOWlEDG ze AND CO:<REÇT,
~ J fj"'.W c.-. R '
I"\rPROVéD BY: APPLICANT t-JAME (PRINT) A L ATURE
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~UNIFOAM HALAHUUU::¡
WASTE MAN'FEST
1W~(I~~~
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NO. WI/Vol
611'.
22
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MP VACUUM TRUCK SERVICE
7. r/.tllpo<1l' 2 COmp.ny Na"'a
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II. Odo<; nall( FaCd'lY Nomo 'nd Sill Adoren
CIBSON OIL & REFINING
END OF COMMERCIAL DR
BAKERSFIELD. CA 93308
10.
II. US OOT Duc"pllon (Intludl<lO P,opa, ShlppinQ NI"'O, tto t,,(d CI$u, and 10 Numbe/)
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A) DIESEL/GASOLINE RINSATE
IS, S~G"I Hln~1>Q lnelruCllon1 .nd Addll;OtIlllnlCÞmllllon
GLOVES, GOGGLES, AND
/8'5z :<8
PROTECTIVE OUTER GARMENTS
RELEASE D~~~
Ie.
(¡E~(RÁ TOR'S CERTIfICA TIOH: Il'Ioroby doel.r. IhAl lhe ~o"tonla o. Ihl. co".IQI\(lI6nl Ir. fully ."d .CC~rl'OIy doacrlbod .lxIva by proper Ih\9p1no nama
al\d I'. c:uailiod, packod. "'8",«1. .nd tabOh:d, a.d Iro It\ all lasø~e In proco< condItio" '0<' tla"eØO(t by I\lQh...y accordino 10 a¡)pllc.ble 10IoM&UOn,1 Ind
"aliore: ôI~'or""'onl tOOulQt~"..
If I al':. a 10'00 Qu.",hy 0011....101'. I ce(\ fy Ihal . !I....~ a ØfOO/llm In pleco 10 ,oduco 1110 volul'M ðIId loxicilv of wufe Òonor.lad to 11111 dllO/e. I h;'1/4I dèlttmÍ<leQ
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pr..1<\1 ..d lvI....e Ihrnet 10 "U"'AI'. hoallh and Ih. .n";,OI\I\1."I: Oft. If I em . 1/'/\411 que"hty O_lalor. I hll.... (II.de a OOOd f.ll/'I offort 10 minil\\lte my wut.
oonN.lo<;n Ind aol&Çt Iho bOI' wuta maf\8gome'l1 meihOd Ihlt II .v.llable to me Ino 11It11 can.ft d.
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20, F 1'''''' C..n... 01 Oporllor Ctt'lrnca!iOn of 'OCb:CI 01 hua'dOIiI mO(OrieUI covo/Od by 11'110 mQolf<lat axcoøl a. (lotOt! .
P'inted'· ·.c ~:.mt
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Do Not Write Below This line
o~s F.~2 A (1/ 88)
EPA e7'X.-n
I ~c... ; ~ì PfovoO"a c~,~ ú~a .f~ Qbootolo.
White: TSOf SENDS THIS COpy TO OOHS WITHIN 30
To: P.O. Box 3000. Socfomento. CA 95812
Mcnttr OIY
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OCT- 1-92 THU 10:42 WEGENER CONSTRUCTION
I
GOLDEN STATE METALS, INC.
~ (', 8.;· .··,1~!o: . ::(,(1:'1 ë fr';M.¡·]¢ L:.r·.;
ê\.:.r..~;þ.:Ö. ·:';·If~t.· 1 .:':::7
t:·r.,:,n~ ..l·:·~ j':;'.,:\~::~ . F;¡" ';.'j~f ~~'.;j.'':'.
P_03
f:) . .) 1
N~ 1 0 326
TANK DISPOSAL FORM
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CC'ntr~ctnr'"
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CCI'I£C _~_.._TI___.. _____.
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LAú~r,E$$: 2S-t ¥._.VJi[l¡Ç (ßYJ,ç
I; OESTlHA TIOt~: G. S. M. . 2000 E. BRUNDAGE LANE
¡HAULER: Wlt'\ f\ì<1 ¡J Gf<,C.IrVAílo,)
I ~'Je!~HT CE~T. H~;------
· BAKERSFIELD, CA 933ô7
------F--· -------
LtCSHSE NO: .r 0 (("3 <7
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EHSO PERMIT tW;
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TOTAL
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COUtHV:
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[!j CLEAN ~ DRY (Ac..:GEF'T), OR
o RESIDUALS PRE5(NT (REJECï¡
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OXYGEH CONTENT
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SCRA~ VALUE
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/..11 !<;êslncurred ate þêr lo~d unless spêcified. Terms ¡He
rot :;0 d¡!y~ fro;;¡ receipt of t~nk. Contractor's signature
I~;=~$ents ;\cc~ptancê oftetms tor payment, Md cOf)fltn'lS
!r.¡;: 1¡:n~ rern~va~ complies with Sté!te I¡¡V/s.
CONTRACTOR'S SIGNATURE
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GALLONS
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1000 . ~ 11
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2000
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3000
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SERIAL NO. NET TONS
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CERTIFICATE OF TANK DISPOSAL I DESTRUCTION
"- :: s:o cE¡:n.:,· !"i; RECEIPT A:¡D ¡.CCfÞTANC:; Cf 'HI: T,A.;I::<íS¡ AS SF-EC1::IE::O ABOVE. ALL ~:oAT=RIAl SPECtF:;:;) W.LL f:ë CO"A~LEï
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GOLDEN STATE MEtALS, INC.
P O. Er,,1 iJ~ó3 . ~~(¡ E ~(Ur,Ói\9G ~n,
e.;,;.;(~r ~~. :'.;.'::":~ ';)'1,,':'
Phcnt' \ê1j51 ;27.:·>~~ ' F:;4 ~B0513¿H~.!~
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TANK DI~FO\jA'- r\.,lHtVI
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Contrac~or's .
License !'!9=__ _ <f Iii.')
Codr actor's
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¡ADDRESS: 2f'(~ \,tJ~1C t...A~~
._,-- --..--.... .---- -'.-'.' .'." ..__._.~...._--------.--.__._~._---
I : DESTlHATlON: G. S. '11. . 2000 E. BRUNDAGE LANE · 8AKER$FIEl.D. CA g3~e7
~ft.U~ER. " ~) ·lh1rer.1 -:;.-~-;;~~o~ -.....-.. ._-~. '-]ll~~~$ËNO~'-S~'~ 1 ~tj
It WËICHTC¿RT. HO: .-.~---- -. ...........-- .... ..--.- -:
~ ¡) SERIAL NO. NeT TONS
I .. E~~D PEArAIT t~O: ',. D I.- O()5:''3 -
2So .14
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COIJlI1Y:
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V TANK It~SPECTION
,
Œ( CLEAN & DRY (ACCEPT), OR
.\ 0 RE~IOVALS FRr:5~NT (REJf;{.:l)
.tJ "-. LEL READING
_~l6:_ OXYGEN CONTENT
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3000 1.32
4000' .'...~:, .. . ,.'.: ;;". ;i¡·i~ N:~'4:~~~~1~":
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SCRAP VALUE
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_ TOTAL CHARGES' . $
TOTAL
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. _...____._4
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~ìJ8t1¡,J;;;i~~~!~;¡¡;;':'·T~1¡3r(~?~i\ll\~~;
Ai; faeslncurrcd are per I03d un!e~s spûcineo. Terms are
n~~ 30 daY5 hQm receipt úf ta;¡k. Cont(~çtQr'~ $1gMtlJre
ri,¡:rezcntt 3cc:cpt8nëe of terms for payment, anó confIrms
t\.;at 1ank rcrr.~·..~1 complies with S~ate laws.
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CONTRACTOR'S SIGNATURE
CERTIFICA TE Or TANK DISPOSAL I DESTRUCTION
,.¡,; s!~ Tf) (:~~-::v 7¡'¡:;: ~~CE!"7 AtJ('I A'X~F'~NKe: c~ YIo!E TANK:$) AS SPEGIí=IEO A80'.!Ë ALL t/.A.TE!;IAlSPEC ¡::IE,C WILL Be (;ÚW.P:..~
r·=.:.-~ov:·. -r:; -r-A'jf:r-v/C' N~ ;:¡/'~PO"'I'"" 1")",,,
.__10000( ...l.i,...- ":).,.,"'-<' ..~"'-. ~ ""...... ~c:,....,_..
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1716 OAK STREET. UNIT8
BAKERSFIELO, CA 93301
(805) 323-4844 . 325-9076
OCTOBER 2L 1992
JOB No. 92-J-5 .
REVISED OCTOBER 21, 1992
WEGENER CONSTRUCTION CO.
1710 CALLOWAY DRIVE
BAKERSFIELD, CALIFORNIA 93312
ATTN: MR. HERB LANG
RE: CERTIFICATION OF SOIL COMPACTION AT
UNOCAL STATION #7048, 2518 WHITE LANE
AT PORTERO LANE, BAKERSFIELD, CA
GENTLEMEN:
ON THE NORTHWESTERLY SlOE OF THE BUILDING STRUCTURE THERE WAS
A~ EXCAVATION THAT MEASURED 52' X 66' MORE OR LESS AND IT WAS TWELVE
FEET ~EEP. ALL OF THE FIll PLACED INTO THIS CAVITY WAS IMPORTED,
FROM ~FF SITE, EXCEPT FOR THE TOP 18#, WHICH WAS ON SITE NATURAL SOIL.
THE?~ WERE TWO SOURCES OF IMPORTED SOIL,AND AS CAN BE SEEN FROM THE
ATT~C·~~D RELATIVE COMPACTION SHEETS, THE DIVISION BETWEEN THE TWO
MATERIALS OCCURRED AT ABOUT 7.5' BELOW FINISH GRADE. ALL OF THE
FILL ~AS COMPACTED TO Ai LEAST 90% OF MAXIMUM DENSITY. MAXIMUM
DENS¡~Y WAS DETERMINED IN ACCORDANCE WITH ASTM D-1557-78 METHOD Ä.
·~E CONTRACTOR WAS ADIVSED AT THE OUTSET OF WORK THAT IN THE
EVE:: T ;.. DEN SIT Y T EST F A I LED, THE S T RAT A 1 r~ W HIe H THE F A I L U REO C CUR RED
WOULD HAVE TO BE SCARIFIED, THE MOISTURE CONTENT ADJUSTED, THE SOIL
REM!XEJ AND COMPACTED U~TIL THE MINIMUM RELATIVE COMPACTION IS REACHED.
~~£ UNDERSIGNED CERTiFIES THAT THE SOIL PLACED IN THE PIT AND
ìES~~2 MEETS THE SPECIFI~~ 90% OF MAXIMUM DENSITY AND SAID SOIL WILL
C A. R ¡;> v - ;-: E LOA D S 0 FAT Vi 0 S TOR Y Vl 0 0 D F RAM E B U I L DIN G .
YOURS TRULY,
H CE : :> ~I
SMITH & ASSOCIATES, A DBA OF
HARRY C. ELLtNGSTON, INC.
1/ .,-'¡ C'.(.' / --.1 4-
qy (ZIv\.¿.1 c· c.¿·f..A- . ~ (V<---- /
HARRY~. ELLINGSTON' JR., PRESIDENT
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1716 O;!k s.t.. Unit6
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WEWW, CIJI_IU 13301 (805) 325-9076
METHOD~ ~LAYER
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APPENDIX B
PREVIOUS INVESTIGATION REPORT BY CONSOLIDATED TESTING LABORATORY
UN7048.TC110992F4
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CONSOliDATED TESTING lABORATORY
SOILS INVESTIGA TIONS
SOILS AND MA TERIAL TESTING
December 10, 1985
Fhemco
P.O. Box 88
Tulare, CA 93275
A ttn: . Bob Hi 11
Subject:
Testhole at Union Service Station, 2518 White Lane, Bakersfield
. -::.:..;
Dear Bob,
.. .
At your request, we have drilled one (1) forty (40) foot testhole at the
subject site. Our sampling and testing procedures were conducted in accordance
with the California Underground Storage Tank regulations issued by the California
State Water Resources Control Board in August 1985 and Kern County Health
Department.
,
Our testhole was drilled on 12-5-85 at the location determined by the Kern
County Health Department. Undisturbed (intact) soil samples were collected
at five (5) foot intervals to a depth of forty (40) feet. .:
A.~rillrig, using a six an9 one half (6~) inch hollow stem auger, was used
to bore the testhole. All auger flights were steam cleaned prior to drilling.
Undisturbed soil samples were collected using a two and three-eighths (2
3/3) inch inside diameter split spoon sampler and a one and three-eighths
(1 3/8) inch inside diameter split barrel sampler. Samplers were steam
cle=ned before and after sampling each time. '
Laboratory tests that were conducted on the samples collected at the request
of the Kern County Health Department were for the constituents listed below:
Benzene
Toluene
Ethulbenzene
Isoppopylbenzene
P-xylene
a-xylene
t4-xyl ene
EDB
Persons present at various times during drilling and sampling operations
wer~ Joe Canas (Kern County Health DepGrtment) and Chuck Collins. (Fhemco)
JOJ w. .\{ONon ·209·78J..Q57J . Porterville, Ca. 93257
805.324·4770 . Bakersfield, Ca.
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Fhemco
December 10, 1985
Page 2
Soils encountered in our testhole generally consisted of silty sand; dark
yellowish brown; moist; fine-coarse grain size; with a very slight petroleum
odor at the upper three and one-half (3~) feet a~d classified as SM (SP)
in accordance with the Unified Soil Classification System. Soils from three
and one-half (3~) feet to forty (40) feet were sand; dark olive brown-light
yellowish brown; damp; medium-coarse grain size; petroleum odor present
(SP) see boring log for more detailed information~
Our test results indicated that the detected level was below the maximum
allowable limit of one hundred (100) parts per million. See attached results
.for" further information.
Since the odor of petroleum was present in our samples and noted during
drilling operations, additional tests were conducted to confirm our original
test results.
Because of the pervious type of soils that exist at the site, it is possible
that the petroleum would not concentrate but would disipate throughout the
soil leaving an odor in a large area. '
During drilling and sampling operations, groundwater was not encountered
in our testhole. After sampling was completed, the testhole was abandoned
añd filled with bentonite grout using the tremie method.
Attached are the laboratory test results, Unified Soil Classification System
Chart, boring log legend, boring log and a location map showing the testhole
boring on the subject site.
If you should have any questions regarding our report or if we can be of
further service, please contact our office.
Respectfully submitted,
COrJSOLI DATED TESTING LABORATORY
" ~
/t LK'4c"- J l=/-c '
Wayn~ . Harris' ~
R. C. t:. 15342
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CONSOllUAT[O T[STING lAßORATORY
SOILS INVESTlGA TlONS
SOILS AND MA TERIAL TESTING
FIELD INSPECTION
ITESTING CorWUCTED FOR: FHEf1CO
P.O. Box 88
Tulare, CA
I
93275
PO# 32491
IJOB NUI·1BER: 458-85
JOB DESCRIPTION: Testhole at Union Oil Service Station, 2518 White Lane, Bakersfield
SAMPLE LOCATION: See location Map
IDATE/TIME SAf1PLE COLLECTED: 12-5-85 8:00, 8:30 a.m.
DATE/TIME RECEIVED AT LAB: 12-5-85·5:00 p.m. by B.C. Laboratories
DATE ANALYSrS COMPLETED: 12-9-85
ISAf.1PLE COLLECTED BY: John Cornell & David Harris (Consolidated Testing)
I
ISAltPLE H' 109
L 5' BELOW_TOP
.--- PAVEMENTS
.' HINHIUH REPORTING
REPORTING ANALYSIS LEVEL PARTS
CorlSTITUENT UNITS RESULTS PER HILLION
BENZENE µg/g none detected 0.1
TOLUENE .. .. 0.1
ETHULBENZENE .. .. 0.1
I SOPROPYLBEIIZEflE " .. 0.1
P-XYLENE " .. 0.1
0- XYLEHE " .. 0.1
f1- XYLENE " " 0.1
EDB " " 0.5
I
I
SAl1PLE # 110 t
I 10' BELOW TOP BEt/EZENE 119/9 none detected 0.1
TOLUEflE " .13 0.1
ETHLBEflZEflE " none detected 0.1
OF PA VEl~E:lT ISOPROPYLBENZEHE \I " 0.1
I P-XYLENE \I .44 0.1
a-XYlENE " .57 0.1
11- XYLENE \I .44 0.1
I EDB " none detected 0.5
tl2~lé~ ·l.ft~
:4ayne r. Ha rri s
R.C.£. 15342
I
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/0/ IV. '\(0"0" . 209-78/-(]J7/ . Portt!rlli{/t!. Ca. 93257
805-JU·4770 . 8alc(!r,,¡;t!Iå. Co,
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. ..----------..-.-.---.-.
TfSTlNG lJ1~On^TOnY
SOILS INVESTlGA TlONS
FIELD INSPECTION
SOILS AND MA TERIAL TESTING
liTESTING COtWUCTED FOR: FHEf1CO
P.O. Box 88
Tulare, CA 93275
I POI 32491
JOB NUMBER: 458-85
.fOB DESCRIPTION: Testhole at Union Oil Service Station, 2518 White Lane, Bakersfield
~AHPLE LOCATIO": See location Map
DATE/TIME SA~PLE COLLECTED: 12-5-85 9:00, 9:30 a.m.
lATE/TIME RECEIVED AT LAB: 12-5-85 5:00 p.m. by B.C. Laboratories
ATE AUALYSIS COHPLETED: 12-9-85
SAMPLE COLLECTED BY: John Cornell & David Harris (Consolidated Testing)
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'AItPlE ,. 1) 1
15' BELOW TOP
IPAVEMENT
I
CONSTI TUENT
BENZENE
TOLUEUE
ETHUlBENZENE
ISOPROPYl8ENZEUE
P-XYLENE
O-XYlEflE
r1-XYlENE
EOB
-AltPLE I 112
820 I BELOW TOP
'--OF PAVEHEilT
~
"
f rHNHlUH REPORTING
REPOR T ItlG MIAlYSIS .' LEVEL PARTS
UUITS RESULTS: PER lHlLION
µg/g none detected 0.1
II II 0.1
" II 0.1
II II 0.1
" II 0.1
II II 0.1
" " 0.1
" II 0.5
BENEZENE µg/g none detected 0.1
TOLUEIΠ" " 0.1
ETIILBENZH1E " " 0.1
I SOPROPYLBENZE1Π" " 0.1
P-XYLENE " " 0.1
a-XYLENE " " 0.1
fl-XYLENE " II 0.1
EDB " II 0.5
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\~a'yfÍe F. Harris
R. C. E. 15342
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CONSOllOATfU TfSTING lAOORATORY
SOlLS INVESTIGA TlONS
SOlLS AND MA TERIAL TES71NG
FIELD INSPEC710N
I TESTING COnDUCTED FOR: FHEMCO
P.o. Box 88
Tulare, CA 93275
I POC 32491
J08 RUM8ER: 458-85
IJOB DESCRIPTION: Testhole at Union Oil Service Station, 2518 Hhite Lane, Bakersfield
SAMPLE LOCATION: See location Map
113 114
DATE/TIME SAMPLE COLLECTED: 12-5-85 10:00 10:30
IDATE/TIME RECEIVED AT LAB: 12-5-85 5:00 p.lil. at B.C. Laboratories
DATE ANALYSIS COMPLETED: 12-9-85
SAMPLE COLLECTED BY: John Cornell & David Harris (Consolidated Testing)
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,
, fHNHlUN REPORTING
REPORTING AI/AL YSI5.· LEVEL PARTS
CONSTITUENT. UNITS RESULTS PER lHLllON
BENZENE µg/g none detected 0.1
TOLUENE 11 11 0.1
ETHULBEHZENE 11 11 0.1
ISOPROPYLBENZENE 11 11 0.1
P-XYLENE 11 11 0.1
O-XYLEHE II 11 0.1
t1-XYLENE It 11 0.1
E08 " " 0.5
I SAl1PLE I ! 13
25' BElOW TOP
I-PAVEMENTS
I
I SA11PLE I
11~
8ENEZENE µg/g none detected 0.1
TOLUEIΠ" 0.1
ETIILBENZEIIE 11 0.1
I SOPROPYLBEHZEllE 11 0.1
P-XYLENE II 0.1
O-XYLENE 11 0.1
H-XYLENE II 0.1
fOB 11 0.5
. 30 (' BELÙW TOP
~OF PAVŒENT
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IBY~hJ/l./ .4 I~
WayneVF. liarri s
,R.C.E. 15342
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CONSOllOATEO TESTING lAßUnATOny
SOILS INVEST/GA TlONS
SOlLS AND MA TERIAL TESTING
FIELD INSPECT/ON
I
TESTING COIIDUCTEO FOR: FHEHCO
P .0. Box 88
I Tulare, CA 93275
PO# 32491
IJOB NUI·\BER: 458-85
JOB OESCRIPTIOU: Testho1e at Union Oil Service Station, 2518 White Lane, Bakersfield
SAMPLE LOCATIOU: See location Map
I 115 115
DATE/TIME SAMPLE COLLECTED: 12-5-85 11:00 a.m., 11:30 a.m.
DATE/TIr1E RECEIVED AT LAB: 12-5-85 5:00 p.m. . by B.C. Laboratories
IDATE ANALYSIS COI1PLETED: 12-9-85
SAMPLE COLLECTED BY: John Cornell & David Harris (Consolidated Testing)
I
,
I f.1INIHUr·1 REPORTIttG
REPORTING AIIALYSIS ,- LEVEL PARTS
CGtISTITUENT UNITS RESULTS : PER HIlLIOH
.. SAl\PLE 6 115
BENZENE 119/9 none detected 0.1
I~ BElOW- TOP TOLUENE It It 0.1
E TlIULBEN ZEllE It It 0.1
PAVEMENTS I SOPROPYLBEHZErlE II 11 0.1
I P-XYLENE It It 0.1
0- XYLEIIE It 11 0.1
'I-XYLENE It It 0.1
EOB 11 II 0.5
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ISAI1PLE I 116 BENEZENE I1g/9 detected
none 0.1
TOLUEfΠ" It
40 I BELOW TOP 0.1
ETHlBENZEIIE " It
0.1
I OF PAVE~~E¡n ISOPROPYLBENZEIIE " 11
0.1
P-XYLENE " 11
0.1
O-XYLENE If It
0.1
'1- XYLENE " It
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EDB It It
0.5
IBy
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~0i~blfk-~
:.Jayne,;f. Ha rri s
R.L£. 15342
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/01 W. MortOtt ·2(19·;81·0.571 · POrlI!H'iltl!. Ca. 9J2.57
8Q5.J]4.47;0 . 8olcrrf(i,Id, rn
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ture'S
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roct.: flour, silty Of' dove.,.. fine sands,
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TEST BORING LOG
LEGEND
DEPTH SAM
SOIL
TYPE
IN- PL~Cr VEN51T'f TEST BY ~UGLEA!\
GUAbE METHDD A.S. T.M. (ZQ2l).
UNU\5TUI\~EV T\]BE ~AMPLE (2-~" IN~\9E
. DIAMETER SPLIT SPOON SAMPLER).
UNDI5TU~ßEU T\lBE SAMPLE (13k" INSIOE
PIA METER x 2- OUrSlDf DIAMETER
SPLIT BARRR SAMPlER).
NO REWYER1
J
P~RT\AL RECüVER'f :
I
~LOW COUNT FO~ G" URIVE- BLOWS WITH
3" OUTSIOE DIAMETER 2 - ;/1," tNSlVé
DIAME-TEK, SAMPLER 14-0 Ib5. HAMMER,
30"PROr '
ðLDW WUNT FOR 6" DRIVE· BLOWS 'NIT~
Z" OUTSWE DIAMETER 1-3/S" INSIDE'
DIAMETER 140 Ib5. HAMMER '30" PROP.
SMALL DISTURBED SAMPlE-
5M3
SX. LARGE BULK ~AMPlt
LONSOUOATfU TfSTING lABORATORY
83
I
PROJECT unlon U1I ~erVlce
Station. 2518 Whit~
Lane. Bakersfiei,
~ONSOllOATtO TtSTING l/1ILORATORY
\
JOB No. 458-85
DATE 12-5-a5
BY 0 . H .
BORING LOG NUMBER -L
SOIL
GROUP
SOIL DESCRIPTION
0/0 DRY
MOfSTUR DENSITY
P.c.F.
O"-5~ - Asphalt concrete pavement
SW 5~"-9" - Sand; light yellowish brown; dðmp; coarse-very
coarse grain size; well graded; very' slight petro-
leum odor.
SP 9"-2~' - Sand; dark yellowish brown; moist; medium-very
coarse grain size with occasional pebbles 1/811-11211
in size; very slight petroleum odor.
SH SP 2~'-3~' - Silty sand; dark yellowish brown; moist; fine-
coarse grain size, with occasional pebbles 1/411-
3/4" in size; petroleum odor present.
SP 3~'-11' - Sand; dark olive brown; moist; medium-very coarse
grain size, w'ith occasional pebb'les 1/8"-1/2" in
size; organic odor present.
SP 11'-15' - Same as above 3~'-ll' with fine-coarse gr~in size.
occasional pebbles to ~" in size; notable petroleum
and organic odor. '
SP 15'-17' - Sand; light greyish brown; damp; medium-coarse
grain size; well graded; notable petroleum odor.
SP 17'-22' - Same as above 15'-17' with medium grain size.
LCCATION 3etween unleaded and diesel tanks-see location map
ELEVATION
Drill rig with 6~" hollow stem auger
PROJECT Union Oil Service
station. 2518 w¡"""&
Lane. Bakersfielu
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I-
SOIL
GROUP
CONSOllUATfU TfSTlNG lJl.n~nATOnY
BORING LOG NUMBER 1
SOIL DESCRIPTION
JOB No. 458-85
DATE 12- 5-85
BY 0 . H.
SP 221-40' - Sand; light yellowish brown; damp; medium-coarse
grain size; petroleum odor present
~
Terminated drilling at 41' no free groundwater encountered
LOCATION 9~~~een unleaded and diesel tanks - see location map
ECUIPMENT Jrillrig with 6~" hollowstem auger
0/0 DRY
MOISTUR DENSln
P.C.F.
ELEVA TlON
-----
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UN7048.TC110992F4
APPENDIX C
GEORESEARCH SOIL SAMPLING PROCEDURES
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GEORESEARCH PROCEDURES FOR SOIL SAMPLING USING A HAND AUGER
The following outline describes the procedures utilized by
GeoResearch for soil sampling utilizing a hand auger.
i.
soil borings are advanced to a specified depth using the
hand auger.
A clean drive sampler is lined with one or two (depending
on the type sampler) 1.5 to 2.0-inch diameter, stainless
steel or brass tube(s). Samples are obtained by driving
the sampler into the soil with the drive hammer.
ii.
iii.
The tubes are removed from the sampler. The ends of each
or either tube are covered with aluminum foil, covered with
plastic caps, and taped with duct tape.
iv.
Each collected soil sample is labeled, recorded on a Chain-
of-Custody record and placed on ice while awaiting
transport to a certified hazardous waste laboratory.
UN7048.TC110992F4
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GEORESEARCH
SOIL SAMPLING PROCEDURES FOR UNDERGROUND STORAGE TANKS
The following procedures are utilized for the collection of soil
samples:
ii.
iii.
iv.
vi.
vii.
i.
Soil samples are obtained under the direction of a
professional engineer, geologist, or authorized
representative of a State-approved laboratory. Sample
numbers and locations are approved by the city/county
inspector, if present on-site.
All soil samples at tank removal sites are taken from the
backhoe bucket, unless the excavation has been safely
graded or shored. Soil samples will be collected from
the interior portions of the excavator bucket, away from
the bucket's edges and teeth, to avoid potential cross-
contamination. Approximately one inch of soil is
removed from the surface area where the sample is to be
collected and a clean, 6-inch long, I-inch minimum
diameter brass ring will be pounded into the soil using a
wooden mallet, or equivalent tool. No headspace will be
present in the ring once the sample is collected.
In shallow excavations, as in under product lines, soil
samples may be taken by driving the brass tube directly
into the trench sidewall.
Soil samples are collected in thin-walled stainless steel
or brass cylinders 6" long by 1.5" or 2" diameter.
Cylinders are pounded into the soil with a wooden mallet
or equivalent method when not using an auger or drilling
equipment.
v.
Each end of the cylinder is covered with aluminum foil,
capped with polyethylene lids, taped, and labeled.
Samples are transported in an ice chest containing blue
ice or equivalent and kept at approximately 4 degrees
centigrade until delivery to a California Department of
Health Services-approved analytical laboratory.
Chain-of-custody records produced in accordance with U.S.
E.P.A. requirements are kept to track the possession of a
sample from the time it is taken in the field until the
time it is analyzed.
UN7048.TC110992f4
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APPENDIX D
SUMMARIES OF ANALYTICAL METHODS: SOIL SAMPLES
UN7048.TC110992F4
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SUMMARIES OF LABORATORY ANALYTICAL METHODS:
SOIL SAMPLES
The following briefly describes laboratory analyses performed on
soil samples in accordance with the specified EPA or California
Department of Health Services methods.
EPA Method 418.1: Total Recoverable Petroleum Hydrocarbons
The strict EPA method is for water samples only. For soil
samples the soil is extracted with Freon. The Freon is treated
with silica gel to remove biological acids. The IR absorbance of
the extract is then measured to determine the total recoverable
petroleum hydrocarbon (TRPH) content.
EPA Method 8020: Volatile Aromatic Orqanics
Volatile aromatics are determined by purge and trap followed by
gas chromatographyjphotoionization detector (GCjPID). Normally
only Benzene, Toluene, Ethylbenzene and total Xylenes are analyzed
with this method. A small amount of sample (about 1 gram) is
placed in a purge vessel and 5 ml water added. The sample is
purged for a specific time and the volatiles absorbed on a trap.
After purging the trap is heated and the volatiles swept into the
GC. The analytes are separated using a capillary column and
detected using a photoionization detector.
Total Petroleum Hvdrocarbons - Gasoline
The volatile components of gasoline are determined by purge and
trap followed by gas chromatographyjflame ionization detector
(GCjFID). A small amount of sample (about 1 gram) is placed in a
purge vessel and 5 ml water added. The sample is purged for a
specific time and the volatiles absorbed on a trap. After purging
the trap is heated and the volatiles swept into the GC. The
analytes are separated using a capillary column and detected using
an FID. The total petroleum hydrocarbon as gasoline (TPH-G) is
determined as the total amount of volatiles detected.
Total Petroleum Hydrocarbons - Diesel
Total petroleum hydrocarbons as Diesel (TPH-D) is determined by
extracting a soil sample with pentane. The extract is analyzed by
gas chromatography with a flame ionization detector (GCjFID). The
TPH-D is determined as the total amount of compounds detected in
the range where diesel elutes from the capillary column.
UN7048.TC110992F4
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EPA Method 7421: Total Lead
Total lead concentrations in soil samples are determined by
atomic absorption spectrophotometry. The sample is vaporized in a
graphite furnace; a light source is passed through the vapor. The
lead atoms absorb the radiation at characteristic wavelengths.
This degree of absorption is measured photoelectrically for
determination of total lead concentrations.
California Code of Regulations: Metals
California Administrative Code: Title 22 - Metals
Soil samples are acid-digested to separate metals from the soil
matrix. The digestate solution is analyzed on an atomic absorption
(AA) spectrophotometer in conjunction with either a graphite
furnace (GFAA) or a flame (FLAA) as the energy source. In FLAA
determinations, the flame provides energy for dissociating the
sample solution to atomic state for absorption measurement on the
AA. GFAA allows gradual heating before AA measurements.
EPA 8010: Haloqenated Volatile Orqanic compounds
Halogenated volatile organic compounds are extracted from a soil
matrix with hexane as the extract solvent. The extractant is
injected on a gas chromatograph (GC) packed column. The compounds
are detected on chromatograms run with an electron capture detector
(ECD) .
UN7048.TC110992F4
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APPENDIX E
LABORATORY ANALYTICAL REPORTS
UN7048.TC110992F4
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TPH-G
LABORATORY REPORTS
<,;
UN7048.TC110992F4
\.
.......
-...
-.
"'J'
IfiÆ:Q!~2!
and Testing Service
Post Office Box 90911, Long Beach, Californiâ ~11 (310) 498-9515 (800) 624-5744
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I PL7-4
PL7-B
PL8-4
I PL8-8
PL9-8
PL10-4
I PL10-B
P111-4
PL11-B
I P112-4
P112-B
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LAB 0 RAT 0 R Y
R E P 0 R T
.I'J_I__II
GEORESEARCH
1713 TULARE STREET, SUITE 113
FRESNO, CA 93721
DATE SAMPLED
DATE RECEIVED:
DATE ANALYZED:
09/16/92
09/16/92
9/16,19/92
09/21/92
SOIL
9370007
93400-08
TPH-G
ATTENTION: STEVE CURRA
SAMPLE MATRIX:
CLIENT 10
GEOTEST PROJECT
ANALYSES:
NO. :
PROJECT NAME:
UNOCAL #7048
251B WHITE LANE
BAKERSFIELD, CA
ANALYSIS OF· HYDROCARBON CONTENT BY GAS CHROMATOGRAPHY
CAL/DOHS TPH FOR GASOLINE
SAMPLE 10
RESULTS
(mg/kg)
DETECTION LIMIT
(mg/kg)
NO
NO
NO
NO
NO
NO
NO
NO
NO
3.0
NO
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
Analyst: TF
Reviewed and Approved:
Report date:
JÚfJf(
NO - Not detected below indicated limit of detection.
Thi s repo r t pe r ta i ns on ly to the samples inves tiga'ted and does no t
necessarily apply to other apparently identical or similar materials.
This report is submitted for the exclusive use of the client to whom it
is addressed.
GEOTEST is a division of GEOSERVICES. a California corporation,
ORIGINAl
I ='= :.
I
~[2I~2!
and Testing Service
Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (800) 624-5744
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I GEORESEARCH
1713 TULARE STREET. SUITE 113
I FRESNO. CA 93721
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LAB 0 RAT 0 R Y
R E P 0 R T
ATTENTION: STEVE CURRA
SAMPLE MATRIX:
CLIENT 10
GEOTEST PROJECT
ANALYSES:
09/16/92
09/16/92
9/16,17/92
09/21/92
SOIL
9370007
93400-08
TPH-G
DATE SAMPLED
DATE RECEIVED:
DATE ANALYZED:
NO. :
PROJECT NAME:
UNOCAL #7048
2518 WHITE LANE
BAKERSFIELD, CA
ANALYSIS Of HYDROCARBON CONTENT BY GAS CHRO"ATOGRAPHY
CAL/OOHS TPH fOR GASOLINE
SAMPLE 10
RESULTS
(mg/kg)
DETECTION LIMIT
(mg/kg)
WO-C-13
Tl-S-14
Tl-S-18
Tl-C-14
T1-C-18
T2-S-14
T2-S-18
NO
NO
NO
NO
NO
NO
2.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
NO - Not detected below indicated limit of detection. ~~
Analyst: TF. SJ Reviewed and Approved: ~
Report date: L't '--
This report pertains only to the samples investigated and does not
necessarily apply to other apparently identical or· s"Ï.milar materials.
This report is submitted for the exclusive use of the client to whom it
is addressed.
GEOTEST is a division of GEOSERVICES. a California corporation.
. ()PIf::INlIl
.......
-..
~
-
Ig[Q!~~r
and Testing Service
Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (BOO) 624-5744
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1713 TULARE STREET, SUITE 113
I FRESNO. CA 93721
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LAB 0 RAT 0 R Y
R E P 0 R T
ATTENTION: STEVE CURRA
DATE SAMPLED
DATE RECEIVED:
DATE ANALYZED:
SAMPLE MATRIX:
CLIENT 10
GEOTEST PROJECT
ANALYSES:
09/16/92
9/16,17/92
09/21/92
SOIL
9370007
93400-08
TPH-G
NO. :
PROJECT NAME:
UNOCAL #7048
2518 WHITE LANE
BAKERSFIELD. CA
ANALYSIS OF HYDROCARBON CONTENT BY GAS CHROMATOGRAPHY
CAL/DOHS TPH FOR GASOLINE
SAMPLE 10
RESULTS
(mg/kg)
DETECTION LIMIT
(mg/kg)
T5-C-14
T5-C-18
T5-N-14
T5-N-18
T4-N-18
T3-N-18
T2-N-14
T2-N-18
Tl-N-14
Tl-N-18
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
NO - Not detected below indicated limit of detection.
Analyst:
TF. RF.
Reviewed and Approved:
Report date:
~4-
This report pertains only to the samples investigated and does not
necessarily apply to other apparently identical 0 r ..s.i mil a r materials.
This report is submitted for the exclusive use of the client to whom it
is addressed.
GEOTEST is a division of GEOSERVICES, a California corooration.
ADI~II\I^I
.......
...
...
Ig~QI~2!
and Testing Service
Post Office Box 90911, Long Beach, California 90800-0911 (310) 498-9515 (800) 624-5744
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LA B 0 RAT 0 R Y
R E P 0 R T
_I~---- ~
-""'-_..--
ATTENTION: STEVE CURRA
DATE SAMPLED :
DATE RECEIVED:
DATE ADDITIONAL
ANALYSES REQUESTED:
DATE ANALYZED:
SAMPLE MATRIX:
CLIENT 10
GEOTEST PROJECT NO.:
ANALYSES:
09/17/92
09/17/92
GEORESEARCH
1713 TULARE STREET, SUITE 113
FRESNO, CA 93721
09/18/92
09/21/92
SOIL
9370007
93400-08
TPH-G
PROJECT NAME:
UNOCAL #7048
2518 WHITE LANE
BAKERSFIELD, CA
ANALÝSIS OF HYDROCARBON CONTENT BY GAS CHRO"ATOGRAPHY
CAL/DOHS TPH FOR GASOLINE
SAMPLE 10
RESULTS
(mg/kg)
DETECTION LIMIT
(mg/kg)
T3-S-26
07-11
06-11
NO
NO
NO
1.0
1.0
1.0
Analyst: TF
Reviewed and Approved:
Report date:
-Ø¡1¡£
NO - Not detected below indicated limit of detection.
This report pertains only to the samples investigated and does not
necessarily apply to other apparently identical or similar materials.
This report is submitted for the exclusive use of the client to whom it
is addressed.
GEOTEST is a division of GEOSERVICES. a California corooration.
()DI~II\I/l1
........
~
--
Ig!Qr€:~!
and Testing Service
Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (800) 624-5744
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PL3-4
I PL3-8
Pl4-4
PL4-8
PL5-4
I PL5-8
PL6-4
PL6-8
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I
I
LAB 0 RAT 0 R Y
R E P 0 R T
ATTENTION: STEVE CURRA
DATE SAMPLED
DATE RECEIVED:
DATE ANALYZED:
SAMPLE MATRIX:
CLIENT 10
GEOTEST PROJECT
ANALYSES:
09/15/92
9/16,18/92
9/19.21/92
SOIL
9370007
93400-08
TPH-G
GEORESEARCH
1713 TULARE STREET. SUITE 113
FRESNO. CA 93721
NO. :
PROJECT NAME:
UNOCAL #7048
2518 WHITE LANE
BAKERSFIELD. CA
ANALYSIS OF HYDROCARBON CONTENT BY GAS CHRO"ATOGRAPHY
CAL/DOHS TPH FOR GASOLINE
SAMPLE 10
RESULTS
(mg/kg)
DETECTION LIMIT
(mg/kg)
NO
NO
1100
NO
48
NO
11
NO
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
Analyst:
TF
Reviewed and Approved:
Report date:
~
NO - Not detected below indicated limit of detection.
This report pertains only to the samples investigated and does not
necessarily apply to other apparently identical or similar materials.
This report is submitted for the exclusive use of the client to whom it
is addressed.
GEOTEST is a division of GEOSERVICES, a California corporation.
nRI('; NAI
1=,=
I
.......
-.
--
IGEOTEST
An Environmental Monitoring
and Testing Service
Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (800) 624-5744
I
I
I
I
I
I
I
i I
I
I
I
I
I
I
I
I
lAB 0 RAT 0 R Y
R E P 0 R T
~-
GEORESEARCH
1713 TULARE STREET. SUITE 113
FRESNO. CA 93721
DATE SAMPLED
DATE RECEIVED:
DATE ANALYZED:
09/15/92
09/16/92
9/16.18/92
09/19/92
SOIL
9370007
93400-08
TPH-G
ATTENTION: STEVE CURRA
SAMPLE MATRIX:
CLIENT 10
GEOTEST PROJECT NO.:
ANALYSES:
PROJECT NAME: UNOCAL #7048
2518 WHITE LANE
BAKERSFIELD. CA
ANALySIS OF HYOROCARBÖN CONTENT BY GÄ~ cA~OMÄTOGRÄ~ßV
CAl/OOHS TPH FOR GASOLINE
SAMPLE 10
RESULTS
(mg/kg)
DETECTION LIMIT
(mg/kg)
05-6
06-2
D6-6
07-2
07-6
08-2
08-6
09-2
09-6
PLl-4
PLl-8
PL2-4
PL2-8
3.9
NO
250
1100
9700
3.0
1400
NO
NO
NO
NO
NO
NO
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
Analyst: TF
Reviewed and Approved:
Report date:
~~
NO - Not detected below indicated limit of detection.
This report pertains only to the samples investiga'ted and does not
necessarily apply to other apparently identical or similar materials.
This report is submitted for the exclusive use of the client to whom it
is addressed.
GEOTEST is a division of GEOSERVICES. a California corporation.
ORIGINAL
.......
~
--
IGEOTEST
An Environmental Monitoring
I and Testing Service
I
I
I ATTENTION: STEVE CURRA
I PROJECT NAME:
I
I SAMPLE 10
I
I
I
I
I
I
I
I
I
Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (800) 624-5744
LAB 0 RAT 0 R Y
R E P 0 R T
GEORESEARCH
1713 TULARE STREET, SUITE 113
FRESNO, CA 93721
DATE SAMPLED
DATE RECEIVED:
DATE ANALYZED:
09/15/92
Ø9í16/92
09/16/92
09/18/92
SOIL
9370007
93400-08
TPH-G
SAMPLE MATRIX:
CLIENT 10
GEOTEST PROJECT
ANALYSES:
NO. :
UNOCAL #7048
2518 WHITE LANE
BAKERSFIELD, CA
ANALYSIS OF HYDROCARBON CONTENT BY GAS CHROMATOGRAPHY
CAL/DOHS TPH FOR GASOLINE
RESULTS
(mg/kg)
DETECTION LIMIT
(mg/kg)
Dl-2
01-6
02-2
02-6
03-2
03-6
04-2
04-6
05-2
NO
ND
ND
ND
NO
ND
NO
NO
NO
'. -. ~
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
NO ~ Not detected below indicated limit of detection. ~
Analyst: TF Reviewed and Approved: ,
Report date: L<-¡/f "-
T his r e p 0 r t per t a ins on 1 y to the s amp 1 e sin v est i ga t e d and doe s not
necessarily apply to other apparently identical or" šimilar materials.
This report is submitted for the exclusive use of the client to whom it
is addressed.
GEO TEST is a divi$ion of GEO~FRVIr.F~ ::I f'.::Ilifnmi::l r.nmnmtinn
Anf,....,,,' ^ I
I
I
.......
IGEOTEST
An Environmental Monitoring
and Testing Service
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
Post Office Box 90911, long Beach, California 90809-0911 (310) 498-9515 (800) 624-5744
lAB 0 RAT 0 R Y
R E P 0 R T
_~_u.u_~ t UJ
"mnll,."...'.",
~-,~ -
......w--uwcan...--
GEORESEARCH
1713 TULARE STREET, SUITE 113
FRES~O, CA 93721
DATE SAMPLED
DATE RECEIVED:
DATE ANALYZED:
SAMPLE MATRIX:
CLIENT 10
GEOTEST PROJECT NO.:
ANALYSES:
09/18/92
09/21/92
09/21/92
SOIL
9370007
93400-08
TPH-G
ATTENTION: STEVE CURRA
,-
PROJECT NAME:
UNOCAL tt7048
2518 WHITE LANE
BAKERSFIELD, CA
ANALYSIS OF HYDROCARBON CONTENT BY GAS CHROMATOGRAPHY
CAL/DOHS TPH FOR GASOLINE
SAMPLE 10
RESULTS
(mg/kg)
DETECTION LIMIT
(mg/kg)
COMPOSITE
(SP-1, SP-2, SP-3, SP-4)
NO
1.0
COMPOSITE
(SP-5, SP-6, SP-7)
3.6
1.0
COMPOSITE
(SP-8, SP-9, SP-10)
2.0
1.0
COMPOSITE
(SP-11, SP-12, SP-13)
NO
1.0
NO - Not detected below indicated limit of detection.
~j(
,
Analyst: SJ
Reviewed and Approved:
Report date:
This report pertains only to the samples investigated and does not
necessarily apply to other apparently identical or similar materials.
This report is submitted for the exclusive use of the client to whom it
is addressed.
GEOTEST is a division of GEOSERVICES. a California corporation.
ORIGINAL
I
1-
...... .....
~
.-a
IGEOTEST
An Environmental Monitoring
and Testing Service
Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (800)624-5744
I
I
GEORESEARCH
11713 TULARE STREET, SUITE 113
FRESNO. CA 93721
I
I
I
I
I
I
I
I
I
I
I
I
I
LAB 0 RAT 0 R Y
R E P 0 R T
_.~-
---
--.....-.
DATE SAMPLED
DATE RECEIVED:
DATE ANALYZED:
09/16/92
09/16/92
09/19/92
09/21/92
SOIL
9370007
93400-08
TPH-G
ATTENTION: STEVE CURRA
SAMPLE MATRIX:
CLIENT 10
GEOTEST PROJECT
ANALYSES:
NO. :
PROJECT NAME:
UNOCAl #7048
2518 WHITE LANE
BAKERSFIELD, CA
ANALYSIS OF HYDROCARBON CONTENT BY GAS CHRO"ATOGRAPHY
CAL/DOHS TPH FOR GASOLINE
SAMPLE IO
RESULTS
(mg/kg)
DETECTION LIMIT
(mg/kg)
T3-N-14
T3-S-14
T3-$-18
T4-N-14
T4-S-14
T4-S-18
T5-$-14
T5-$-18
NO
1.3
2.8
NO
NO
NO
NO
NO
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
NO - Not detected below indicated limit of detection. ~~
Analyst: Reviewed and Approved:
Report date: LA f\..-'
This report pertains only to the samples investigated and does not
necessarily apply to other apparently identical or similar materials.
This report is submitted for the exclusive use of the client to whom it
is addressed.
GEO TEST is a division of GEOSERVICES, a California corporation.
()RIr,INAI
.......
...
...
Ifi£QI~2!
and Testing Service
Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (BOO) 624-5744
II
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
LAB 0 RAT 0 R Y
R E P 0 R T
111'11'" ....__
GEORESEARCH
1713 TULARE STREET, SUITE 113
FRESNO, CA 93721
DATE SAMPLED
DATE RECEIVED:
DATE ANALYZED:
09/17/92
09/17/92
09/17/92
09/19/92
SOIL
9370007
93400-08
TPH-G
ATTENTION: STEVE CURRA
SAMPLE MATRIX:
CLIENT 10
GEOTEST PROJECT
ANALYSES:
NO. :
PROJECT NAME:
UNOCAL #7048
2518 WHITE LANE
BAKERSFIELD, CA
ANALYSIS OF HYDROCARBON CONTENT BY GAS CHROMATOGRAPHY
CAL/DOHS TPH FOR GASOLINE
SAMPLE 10
RESULTS
(mg/kg)
DETECTION LIMIT
(mg/kg)
551-18
552-18
5S3-18
5S4-18
555-18
T3-$-22
556-18
$S7-18
NO
NO
NO
NO
NO
110
NO
NO
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
NO - Not detected below indicated limit of detection.~/~
Analyst: TF, RF Reviewed and Approved: ~
Report date: 'Í ¿"'¡At..--
This report pertains only to the samples investigated and does not
necessarily apply to other apparently identical or similar materials.
This report is submitted for the exclusive use of the client to whom it
ï's add res 5 e d .
GEOTEST is a division of GEOSERVICES, a California corporation.
ORIGINAL
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
TPH-D
LABORATORY REPORTS
UN7048.TC110992F4
....
-.:
~
I GEOTEST
All Environmental Monitoring
and Testing Service
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (800) 624-5744
lAB 0 RAT 0 R Y
R E P 0 R T
GEORESEARCH
1713 TULARE STREET, SUITE 113
FRESNO, CA 93721
DATE SAMPLED
DATE RECEIVED:
DATE ANALYZED:
SAMPLE MATRIX:
CLIENT 10
GEOTEST PROJECT NO.:
ANALYSES:
09/18/92
09/21/92
09/24/92
SOIL
9370007
93400-08
TPH-D
ATTENTION: STEVE CURRA
PROJECT NAME:
LOCATION:
UNOCAL #7048
2518 WHITE LANE
BAKERS FIE LO, CA
ANALYSIS OF HYDROCARBON CONTENT BY GAS CHROMATOGRAPHY
CAL/DOHS TPH FOR DIESEL
SAMPLE 10 RESULTS DETECTION LIMIT
(mg/kg) (mg/kg)
COMPOSITE
(SP-1, SP-2, SP-3, SP-4) 23 10
COMPOSITE
(SP-5, SP-6, SP-7) 12 10
COMPOSITE
(SP-8, SP-9, SP-10) 27 10
COMPOSITE
(SP-11, SP-12, SP-13) NO 10
NO - Not detected below indicated.limit of detection. ~~, _(~ ~
Analyst: OR Rev~ewed and Approved: ~
Report date: ~P/1~
This report pertains only to the samples investigated and does not
necessarily apply to other apparently identical or similar materials.
This report is submitted for the exclusive use of the client to whom it
is addressed.
GEOTEST is a division of GEOSERVICES, a California corporation.
ORIGINAL
:~~
IGEOTEST
An Environmental Monitoring
and Testing Service
Post Office Box 90911, Long Beach, California ~11 (310) 498-9515 (800) 624-5744
I
I
LAB 0 RAT 0 R Y
R E P 0 R T
I
ATTENTION: STEVE CURRA
DATE SAMPLED
DATE RECEIVED:
DATE ADDITIONAL
ANALYES REQUESTED:
DATE ANALYZED:
SAMPLE MATRIX:
CLIENT 10
GEOTEST PROJECT NO.:
ANALYSES:
09/17/92
09/17/92
I
GEORESEARCH
1713 TULARE STREET, SUITE 113
FRESNO. CA 93721
09/18/92-
09/21/92
SOIL
9370007
93400-08
TPH-D
I
PROJECT NAME:
LOCATION:
UNOCAL #7048
2518 WHITE LANE
BAKERSFIELD. CA
I
I
I
ANALYSIS OF HYDROCARBON CONTENT BY GAS CHROMATOGRAPHY
CAL/DOHS TPH FOR DIESEL
SAMPLE TO
RESULTS
(mg/kg)
DETECTION LIMIT
(mg/kg)
I
T3-S-26
07-11
06-11
NO
NO
NO
5.0
5.0
5.0
I
I
I
I
I
I
I
Analyst: TF
Reviewed and Approved:
Report date:
.~
NO - Not detected below indicated limit of detection.
This report pertains only to the samples investigated and does not
necessarily apply to other apparently identical or similar materials.
This report is submitted for the exclusive use of the client to whom it
is addressed.
GEOTEST is a division of GEO~FRV r,F~ ;:¡ (,.;:¡lifnmi;:¡ r.nmnNltinn
AOf"'Hd ^ f
:~
.....
~
~
-
IGEOTEST
An Environmental Monitoring
and Testing Service
Post Office Box 90911, Long Beach, California ~11 (310) 498-9515 (BOO) 624-5744
I
I
lAB 0 R A TO R Y
R E P 0 R T
--~
--r.om:I1__
t..A..___Na_UlOU____
ATTENTION: STEVE CURRA
DATE SAMPLED
DATE RECEIVED:
DATE ANALYZED:
SAMPLE MATRIX:
CLIENT 10
GEOTEST PROJECT NO.:
ANALYSES:
09/17/92
09/17/92
09/17/92 -
SOIL
9370007
93400-08
TPH-D
I
I
GEORESEARCH
1713 TULARE STREET. SUITE 113
FRESNO. CA 93721
I
PROJECT NAME:
LOCATION:
UNOCAL #7048
2518 WHITE LANE
BAKERSFIELD, CA
I
I
I
ANALYSIS OF HYDROCARBON CONTENT BY GAS CHROMATOGRAPHY
CAL{DOHS TPH FOR DIESEL
SAMPLE 10
RESULTS
(mg{kg)
DETECTION LIMIT
(mg/kg)
I
SS1-18
S52-18
S53-18
T3-5-22
556-18
557-18
NO
NO
NO
280
31
33
5.0
5.0
5.0
5.0
5.0
5.0
I
I
I
I
NO - Not detected below indicated limit of detection.
Analyst: TF
Reviewed and Approved:
R e p 0 r t d a t e-: -
JI«!/(
This report pertains only to the samples investigated and does not
necessarily apply to other apparently identical or s,imilar materials.
This report is submitted for the exclusive use of the client to whom it
is addressed.
I
I
I
GEO TEST is a division of GEO~ERVIr.F~ ;:¡ ('.;:¡Iifnmj;:¡ r.nmnrntinn
f'\Dtf"'I\.t^'
........
~
--
-
IGEOTEST
An Environmental Monitoring
and Testing Service
Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (BOO) 624-5744
I
LAB 0 RAT 0 R Y
R E P 0 R T
I
I
GEORESEARCH
1713 TULARE STREET. SUITE 113
FRESNO. CA 93721
DATE SAMPLED
DATE RECEIVED:
DATE ANALYZED:
09/15/92
09/16/92
09/16/92
09/18/92
SOIL
9370007
93400-08
TPH-D
I
ATTENTION: STEVE CURRA
SAMPLE MATRIX:
CLIENT 10
GEOTEST PROJECT NO.:
ANALYSES:
I
PROJECT NAME:
LOCATION:
UNOCAL ft7048
2518 WHITE LANE
BAKERSFIELD, CA
I
I
I
I
ANALYSIS OF HYDROCARBON CONTENT BY GAS CHRO"ATOGRAPHY
CAL/DOHS TPH FOR DIESEL
SAMPLE ID
RESULTS
(mg/kg)
DETECTION LIMIT
(mg/kg)
05-6
06-6
07-6
08-6
010-11
43
630
630
830*
13000
5.0
5.0
5.0
5.0
5.0
I
I
I
I
Analyst:
*Note sample contains both gasoline and diesel.
indicated limit of detection'~¿1~ ~
Reviewed and Approved: ~
Report date:/ c¡ L '-"'
. ~
TF. PT
NO - Not detected below
This report pertains only to the samples investigated and does not
necessarily apply to other apparently identical or similar materials.
This report is submitted for the -exclusive use of the client to whom it
is addressed.
I
I
I
GEOTEST is a division of GEOSERVICES. a C'..alifomi;:¡ r.omnrntion
"OI~I"I^f
.:~~
IGEOTEST
An Environmental Monitoring
I and Testing Service
>
Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (800) 624-5744
./
LAB 0 RAT 0 R Y
R E P 0 R T
_~",_..utUl
I
I
I
GEORESEARCH
1713 TULARE STREET. SUITE 113
FRESNO. CA 93721
DATE SAMPLED :
DATE RECEIVED:
DATE ANALYZED:
09/16/92
09/16/92
9/16,17/92
09/18/92
SOIL
9370007
NO.: 93400-08
TPH-D
ATTENTION: STEVE CURRA
SAMPLE MATRIX:
CLIENT 10
GEOTEST PROJECT
ANALYSES:
PROJECT NAME:
LOCATION:
UNOCAL #7048
2518 WHITE LANE
BAKERSFIELD, CA
I
I
ANALYSIS OF HYDROCARBON CONTENT BY GAS CHROMATOGRAPHY
CAL/DOHS TPH FOR DIESEL
SAMPLE 10
RESULTS
(mg/kg)
DETECTION LIMIT
(mg/kg)
I
I
PL9-4
PL9-8
T3-N-14
T3-S-14
T3-S-18
T4-N-14
T4-S-14
T4-S-18
T5-S-14
T5-S-18
T5-C-14
T5-C-18
T5-N-14
T5-N-18
T4-N-18
T3-N-18
NO
6.4
NO
75
10
NO
NO
15
NO
5.4
NO
26
NO
NO
NO
NO
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
I
I
I
I
I
·1
NO - Not detected below
indicated limit of detection. ~/
Reviewed and Approved-: - ~
R e p 0 r t d ate: t,-t, r~
Analyst: TF. PT
This report pertains only to the samples investigated and does not
necessarily apply to other apparently identical or similar materials.
This report is submitted for the exclusive use of the client to whom it
is addressed.
I
I
GEOTEST is a rlivi~ion of r,F=()~FRVIr.F~ ~ (,~Ijfnmj~ rnmn~tinn
A r-\t ",... ''''' f
I
I
I I
II
I
II
I
I
: I
I
I
I
I I
: I
I
I
I
I
I
I I
I
BTEX
LABORATORY REPORTS
UN7048.TC110992F4
?
:~
~
....
...
, IGEOTEST
An Environmental Monitoring
and Testing Service
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (800) 624-5744
lAB 0 RAT 0 R Y
R E P 0 R T
GEORESEARCH
1713 TULARE STREET, SUITE 113
FRESWO, CA 93721
Ó A"'ì"l'··S Ã iii PI E rr
DATE RECEIVED:
DATE ANALYZED:
SAMPLE MATRIX:
CLIENT 10
GEOTEST PROJECT
ANALYSES:
. 0§7181~'l°
09/21/92
09/21/92
SOIL
9370007
NO.: 93400-08
BTEX
ATTENTION: STEVE CURRA
PROJECT NAME:
LOCATION:
UNOCAL *7048
2518 WHITE LANE
BAKERSFIELD, CA
ANALYSIS OF ORGANIC AROMATICS
EPA METHOD 8020
COMPONENTS
BENZENE
(mg/kg)
TOLUENE
(mg/kg)
ETHVLBENZENE
(mg/kg)
TOTAL XYLENES
(mg/kg)
DETECTION
LIMITS
0.005
0.005
0.005
0.015
SAMPLE 10
COMPOSITE NO NO NO NO
(SP-1. SP-2, SP-3, SP-4)
COMPOSITE NO NO NO NO
(SP-5, SP-6, SP-7)
COMPOSITE NO NO NO 0.050
(SP-8, SP-9, SP-10)
COMPOSITE NO NO NO NO
(SP-l1, SP-12, SP-13)
NO - Not detected below indicated limit of detection.
Analyst: SJ
Reviewed and Approved:
Report date:
't....-'
This report pertains only to the samples investigated and does not
necessarily apply to other apparently identical or similar materials.
This report is submitted for the exclusive use of the client to whom it
is addressed.
GEOTEST is a division of GEOSERVICES. a California corporation.
ORIGINAL
......
....
...
-
IGEOTEST
An Environmental Monitoring
and Testing Service
I
I
I
I
I
I
I
I DETECTION
LIMITS
I
I
I
I
I
I
I Analyst: TF
I
Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (800) 624-5744
LA B 0 RAT 0 R V
R E P 0 R T
.~-
rfÃTI'SA"FIPT~1')"""':-----ø§7'iì79-2""'"
DATE RECEIVED: 09/17/92
DATE ADDITIONAL
ANALYSES REQUESTED:
DATE ANALYZED:
SAMPLE MATRIX:
CLIENT 10
GEOTEST PROJECT NO.:
ANALYSES:
09/18/92
09/21/92
SOIL
9370007
93400-08
BTEX
Gtõ~TšrARCR
1713 TULARE STREET, SUITE 113
FRESNO, CA 93721
ATTENTION:
STEVE CURRA
PROJECT NAME:
LOCATION:
UNOCAL #7048
2518 WHITE LANE
BAKERSFIELD, CA
ANALVSIS OF ORGANIC ARO"ATtCS
EPA "ETHOD 8020
COMPONENTS
BENZENE
(mg/kg)
TOLUENE
(mg/kg)
ETHVLBENZENE
(mg/kg)
TOTAL XVLENES
(mg/kg)
0.005
0.005
0.005
0.015
SAMPLE 10
T3-S-26
07-11
06-11
NO
NO
NO
0.007
0.013
0.006
NO
NO
NO
NO
0.052
NO
NO - Not detected below indicated limit of detection.
Reviewed and Approved:
Report date:
--
This report pertains only to the samples investigated and does not
necessarily apply to other apparently identical or similar materials.
This report is submitted for the exclusive use of the client to whom it
i 5 ~ d d r ço c; c; ço rl. GEOTEST is a division of GEOSEAVICES. a California corooration. ORIr.INAf
:=' =.
IGEOTEST
An Environmental Monitoring
I ..,H ,,'no 50"'"
I
I
I
I
I
I
I
I
I
I
I
I
I
I
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Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (BOO) 624-5744
LAB 0 RAT 0 R Y
R E P 0 R T
_IIII~
-.." IJÃ~-š7if.115'T'Ë[)
DATE RECEIVED:
DATE ANALYZED:
09Ti"'ir~'"'2-
09/17/92
09/17/92_
09/19/92
SOIL
9370007
93400-08
BTEX
GEOREŠE::ARCH
1713 TULARE STREET, SUITE 113
FRESNO, CA 93721
ATTENTION:
STEVE CURRA
SAMPLE MATRIX:
CLIENT 10
GEOTEST PROJECT
ANALYSES:
NO. :
PROJECT NAME:
LOCATION:
UNOCAL #7048
2518 WHITE LANE
BAKERSFIELD, CA
~NAlYSIS OF ORGANIC AROMATICS
EPA METHOD 8020
COMPONENTS
TOLUENE
(mg/kg)
ETHYLBENZENE
(mg/kg)
TOTAL XYLENES
(mg/kg)
BENZENE
(mg/kg)
DETECTION
LIMITS
0.005
0.015
0.005
0.005
SAMPLE IO
551-18
552-18
553-18
554-18
555-18
T3-5-22
556-18
557-18
NO NO NO NO
NO NO NO NO
NO NO NO NO
NO NO NO NO
NO NO NO NO
NO 0.013 NO 0.046
NO NO NO NO
NO NO NO NO
NO - Not detected below indicated limit of detection. ~ /~
Analyst: TF, RF Reviewed and Approved: ~.
Report date: ví/{......
This report pertains only to the samples investigated and
necessarily apply to other apparently identical or similar
This report is submitted for the exclusive use of the client
is add res 5 e d. GEOTEST is a division of GEOSERVICES. a California corooration.
does not
materials.
to whom it
ORIr,INAI
:='= à
IGEOTEST
An Environmental Monitoring
I and Testing Service
I
I
I
I
I
I
I
I
I
I
I
I
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Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (800) 624-5744
LAB 0 RAT 0 R Y
R E P 0 R T
GEORESEARCH
1713 TULARE STREET, SUITE 113
fRESNO, CA 93721
D Á 'f E S Mi15'L1: D
DATE RECEIVED:
DATE ANALYZED:
0-9/1679'2
09/16/92
9/16,19/92
09/21/92
SOIL
9370007
93400-08
BTEX
ATTENTION:
STEVE CURRA
SAMPLE MATRIX:
CLIENT 10
GEOTEST PROJECT
ANALYSES:
NO. :
PROJECT NAME:
LOCATION:
UNOCAL #7048
2518 WHITE LANE
BAKERSFIELD, CA
ANALYSIS OF ORGANIC AROMATICS
EPA, METHOD 8120
COMPONENTS
BENZENE
(mg/kg)
TOLUENE
(mgfkg)
ETHYlBENZENE
(mg/kg)
TOTAL XYlENES
(mgfkg)
DETECTION
LIMITS
0.005
0.005
0.005
0.015
SAMPLE 10
Analyst:
TF, RF
NO 0.007 NO NO
NO 0.008 NO NO
NO 0.007 NO NO
NO 0.005 NO NO
NO 0.008 NO NO
NO NO NO NO
NO NO NO NO
NO NO NO NO
NO 0.007 NO NO
NO NO NO NO
NO 0.017 NO 0.032
NO NO NO NO
below indicated limit of detection:
Reviewed and Approved:
Report date:
P17-4
P17-8
PL8-4
Pl8-8
Pl9-4
Pl9-8
Pl10-4
P 110-8
Plll-4
Pl11-8
P 112-4
P 112-8
NO - Not detected
This report pertains only to the samples investigated and does not
necessarily apply to other apparently identical or similar materials.
This report is submitted for the exclusive use of the client to whom it
is addressed.
GEOTEST is a division of GEOSERVICES. a California corporation.
ORIGINAL
:='= =.
IGEOTEST
An Environmental Monitoring
and Testing Service
I
I
I
I
I
I
I
I
I
I
I
I
I Analyst: TF. RF
I
I
I
Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (BOO) 624-5744
LAB 0 RAT 0 R Y
R E P 0 R T
ATTENTION:
fJ'ATf'""šÄ"'M1>T
DATE RECEIVED:
DATE ANALYZED:
SAMPLE MATRIX:
CLIENT 10
GEOTEST PROJECT
ANALYSES:
STEVE CURRA
§2.
9/16.17/92
09/21/92
SOIL
9370007
93400-08
BTEX
~~ðrH~ŠEARCH
1713 TULARE STREET, SUITE 113
FRESNO. CA 93721
NO. :
PROJECT NAME:
LOCATION:
UNOCAL #7048
2518 WHITE LANE
BAKERSFIELD, CA
ANALYSIS OF ORGANIC ARO"ATICS
EPA "ETHOD a828
COMPONENTS
BENZENE
(mg/kg)
TOLUENE
(mg/kg)
ETHYLBENZENE
(mg/kg)
TOTAL XYLENES
(mg/kg)
DETECTION
LIMITS
0.005
0.005
0.005
0.015
SAMPLE 10
T3-N-14
T3-S-14
T3-S-18
T4-N-14
T4-S-14
T4-S-18
T5-S-14
T5-S-18
NO
NO
0.005
NO
NO
NO
NO
NO
NO
NO
0.012
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
0.016
NO
NO
NO
NO
NO
NO - Not detected below indicated limit of detection.
Reviewed and Approved:
R e p 0 r t d ate -: -
This report pertains only to the samples investigated and does not
necessarily apply to other apparently identical or similar materials.
This report is submitted for the exclusive use of the client to whom it
is addressed.
GEOTEST is a division of GEOSERVICES. a California corpomtion.
()Rfr.fNAI
IGEOTEST
An Environmental Monitoring
I .mn""9 $0"'''
I
I
I ATTENTION: STEVE CURRA
I
I
I COMPONENTS
OETECTION
I LIMITS
I SAMPLE 10
I
I
I
I Analyst: TF, SJ
I
I
I
Post Office Box 90911, Long Beach, California ~11 (310) 498-9515 (800) 624-5744
LAB 0 RAT 0 R Y
R E P 0 R T
'Gr'lrn'~·Ê"ARë..r- -
1713 TULARE STREET, SUITE 113
FRESNO, CA 93721
IS A1' E S A tol"I5"IT 0
OATE RECEIVEO:
DATE ANALYZED:
0~¡ ì 16 (~j'"'2.-
09/16/92
9/16.17/92
09/21/92
SOIL
9370007
93400-08
BTEX
SAMPLE MATRIX:
CLIENT 10
GEOTEST PROJECT
ANALYSES:
NO. :
PROJECT NAME:
LOCATION:
UNOCAL #7048
2518 WHITE LANE
BAKERSFIELO, CA
ANALYSIS OF ORGANIC AROMATICS
EPA METHOD 8020
BENZENE
(mgjkg)
TOLUENE
(mgjkg)
ETHYlBENZENE
(mg/kg)
TOTAL XYlENES
(mg/kg)
0.005
0.005
0.005
0.015
WO-C-13
Tl-S-14
Tl-S-18
Tl-C-14
Tl-C-18
T2-S-14
T2-S-18
NO
NO
NO
NO
NO
NO
NO
0.017
NO
NO
NO
NO
NO
0.006
NO
NO
NO
NO
NO
NO
NO
0.038
NO
NO
NO
NO
NO
NO
Reviewed and Approved:
Report date:
NO - Not detected below indicated limit of detection.
This report pertains only to the samples investigated and does not
necessarily apply to other apparently identical or similar materials.
This report is submitted for the exclusive use of the client to whom it
is addressed.
GEOTEST is a division of GEOSERVICES. a California corooration.
()PIr-II\Il\1
1
1-
....
~
--
IGEOTEST
An Environmental Monitoring
I and T ",'n. 50"''''
I
I
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1
I
I
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I
1
I
I
I
I
I
Post Office Box 90911, Long Beach, California ~11 (310) 498-9515 (BOO) 624-5744
LAB 0 R A ,T 0 R Y
R E P 0 R T
ATTENTION:
STEVE CURRA
IJA""i"r S Ã M 5 ["Ë' )
DATE RECEIVED:
DATE ANALYZED:
SAMPLE MATRIX:
CLIENT 10
GEOTEST PROJECT
ANALYSES:
09716~2
9/16,17/92
9/19,21/92
SOIL
9370007
93400-08
BTEX
1ITõ1ITš"ËÄ R c: R
1713 TULARE STREET, SUITE 113
FRESNO, CA 93721
NO" :
PROJECT NAME:
LOCATION:
UNOCAL #7048
2518 WHITE LANE
BAKERSFIELD, CA
ANALYSIS OF ORGANIC AROMATICS
EPA METHOD 8020
COMPONENTS
BENZENE
(mg/kg)
TOLUENE
(mg/kg)
ETHYLBENZENE
(mg/kg)
TOTAL XYLENES
(mg/kg)
DETECTION
LIMITS
0.005
0"005
0.005
0.015
SAMPLE 10
T5-C-14
T5-(-18
T5-N-14
T5-N-18
T4-N-18
T3-N-18
T2-N-14
T2-N-18
T1-N-14
T1-N-18
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
0.011
NO
0.009
0.008
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
0.017
NO
NO
NO
NO
NO
NO
NO
NO
NO - Not detected below indicated limit of detection.
Analyst:
RF. TF
Reviewed and Approved:
Report date:
This report pertains only to the samples investigated and does not
necessarily apply to other apparently identical or similar materials.
This report is submitted for the exclusive use of the client to whom it
is addressed.
GEOTEST is a division of GEOSERVICER R r.RlifomiR r:omorntion
("\DIr"I....t^'
.........
-..
....
IGEOTEST
An Environmental Monitoring
and Testing Service
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
Post Office Box 90911, Long Beach, California 90800-0911 (310) 498-9515 (800) 624-5744
LAB 0 RAT 0 R Y
R E P 0 R T
GEORËSEARCH
1713 TULARE STREET, SUITE 113
FRESNO, CA 93721
D A ftšÃ"'Ff15'T.'1! D
DATE RECEIVED:
DATE ANALYZED:
~9/1b792
09/16/92
09/16/92
09/18/92.
SOIL
9370007
93400-08
BTEX
ATTENTION: STEVE CURRA
SAMPLE MATRIX:
CLIENT 10
GEOTEST PROJECT NO.:
ANALYSES:
PROJECT NAME:
LOCATION:
UNOCAL tt7048
2518 WHITE LANE
BAKERSFIELD, CA
ANALYSIS OF ORGANIC AROMATICS
EPA METHOD 8020
COMPONENTS
BENZENE
(mg/kg)
TOLUENE
(mg/kg)
ETHYLBENZENE
(mg/kg)
TOTAL XYLENES
(mg/kg)
DETECTION
LIMITS
0.005
0.005
0.005
0.015
SAMPLE 10
01-2
01-6
02-2
02-6
03-2
03-6
04-2
04-6
05-2
NO NO NO NO
NO NO NO NO
NO NO NO NO
NO NO NO NO
NO NO NO NO
NO 0.012 NO NO
NO NO NO NO
NO NO NO NO
NO 0.006 NO NO
NO - Not detected belo~ indicated limit of detection.
Analyst: TF
Revie~ed and Approved:~
Report date:
This report pertains only to the samples investigated and does not
necessarily apply to other apparently identical or similar materials.
This report is submitted for the exclusive use of the client to ~hom it
is addressed.
GEOTEST is a division of GEOSERVICES, a California corporation.
ORIGINAl
1=,= ~
I
I§~Qr~2r
and Testing Service
Post Office Box 90911, Long Beach, California 90809-0011 (310) 498-9515 (800) 624-5744
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
LAB 0 RAT 0 R Y
R E P 0 R T
iIT'"'ðR"rs't A R ar
1713 TULARE STREET, SUITE 113
FRESNO, CA 93721
~ ~,~. . ~ Õ FI'Tt ~Ã"Mf:S"'tËÕ
DATE RECEIVED:
DATE ANALYZED:
PROJECT NAME:
UNOCAL #7048
2518 WHITE LANE
BAKERSFIELD, CA
SAMPLE MATRIX:
CLIENT 10
GEOTEST PROJECT
ANALYSES:
"~-097T57!r2
09/16/92
09/16/92
09/19/92
SOIL
9370007
NO. : 93400-08
BTEX
ATTENTION: STEVE CURRA
ANALYSIS OF ORGANIC AROMATICS
EPA METHOD 8020
COMPONENTS
BENZENE
(mg/kg)
TOLUENE
(mg/kg)
ETHYlBENZENE
(mg/kg)
TOTAL XYlENES
(mg/kg)
DETECTION
LIMITS
0.005
0.005
0.005
0.015
SAMPLE TO
05-6
06-2
06-6
07-2
07-6
08-2
08-6
09-2
09-6
010-11
Pll-4
Pll-8
PL2-4
Pl2-8
NO NO NO NO
NO NO NO NO
NO 0.021 0.006 0.98
5.6 48 9.8 87
45 640 170 2000
0.017 0.11 0.028 0.34
0.98 12 3.2 67
NO NO NO NO
NO NO NO NO
NO NO NO NO
NO NO NO NO
NO NO NO NO
NO 0.019 NO 0.040
NO NO NO NO
Analyst: TF
Reviewed and Approved:
Report date:
f\.--
NO - Not detected below indicated limit of detection.
This report pertains only to the samples investigated and does not
necessarily apply to other apparently identical or similar materials.
This report is submitted for the exclusive use of the client to whom it
is add re 55 ed. GEOTESTis a division of GEOSERVICES. a California corporation. ()RI~INAI
~
~
...
-
Ig£QI~2r
and Testing Service
Post Office Box 90911, Long Beach, California 908ŒH)911 (310) 498-9515 (800) 624-5744
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
LAB 0 RAT 0 R Y
R E P 0 R T
ATTENTION: STEVE CURRA
SAMPLE MATRIX:
CLIENT 10
GEOTEST PROJECT NO.:
ANALYSES:
~9/1bl'§"2
09/16/92
9/18,19/92
09/21/92
SOIL
9370007
93400-08
BTEX
GEORESEARCH
1713 TULARE STREET, SUITE 113
FRESNO, CA 93721
DATE SÂMPlËD
DATE RECEIVED:
DATE ANALYZED:
PROJECT NAME:
LOCATION:
UNOCAL *7048
2518 WHITE LANE
BAKERSFIELD, CA
ANALYSIS OF ORGANIC AROMATICS
EPA METHOD a020
COMPONENTS
BENZENE
(mg/kg)
TOLUENE
(mg/kg)
ETHYLBENZENE
(mg/kg)
TOTAL XYLENES
(mg/kg)
DETECTION
LIMITS
0.005
0.005
0.005
0.015
SAMPLE 10
PL3-4
PL3-8
Pl4-4
PL4-8
Pl5-4
PL5-8
PL6-4
PL6-8
NO 0.006 NO NO
NO NO NO NO
4.8 57 19 110
NO NO NO NO
NO NO NO NO
NO 0.006 NO NO
NO 0.031 0.009 0.061
NO 0.010 NO NO
Analyst: TF
Reviewed and Approved:
Report date:
NO - Not detected below indicated limit of detection.
This report pertains only to the samples investigated and
necessarily apply to other apparently identical or similar
This report is submitted for the exclusive use of the client
is addressed.
does not
materials.
to whom it
GEO TEST is a division of GEOSERVICES, a California corporation.
. ORIGINAL
I
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,I
I
I
I
I
I
I
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TRPH
LABORATORY REPORTS
UN7048.TCll0992F4
IGEOTEST
An Environmental Monitoring
I and T""li09 50_
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
.......
-..
--
Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (800) 624-5744
A MEN 0 E C
LAB 0 RAT 0 R Y
R E P 0 R T
GEORESEARCH
1713.TULARE STREET. SUITE 113
FRESNO. CA 93721
DATE SAMPLED :
DATE RECEIVED:
DATE ANALYZED:
SAMPLE MATRIX:
CLIENT 10
GEOTEST PROJECT
ANALYSES:
09/18/92
09/21/92
09/23/92
SOIL
9370007
93400-08
418.1
ATTENTION:
STEVE CURRA
NO. :
PROJECT NAME:
LOCATION:
UNOCAL #7048
2518 WHITE LANE
8AKERSFIELD. CA
ANALYSIS OF HYDROCAR80N CONTENT BY INFRARED SPECTROMETRY
EPA METHOD 418.1
SAJIIPLE 10
RESULTS
(mg/kg)
DETECTION LIMIT
(mg/kg)
COMPOSITE
(SP-14. SP-15)
NO
50
N" - Not detected beloy indicated limit of detection._~
Analyst: AM Reviewed and Approved:
Report date: J' 'Ø v
This report pertains only to the samples investigated and does not
necessarily apply to other apparently identical or similar materials.
This report is submitted for the exclusive use of the client to whom it
is addressed.
GEOTEST is a division of GEOSERVICES, a California corporation.
ORIGINAL
1
1-
1
.......
~
~
-
IGEOTEST
An Environmental Monitoring
I and Testing Service
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (800) 624-5744
LAB 0 RAT 0 R Y
R E P 0 R T
~~ ._ .._n______
t.._________
-_.
GEORESEARCH
1713 TULARE STREET. SUITE 113
FRESNO, CA 93721
DATE SAMPLED :
DATE RECEIVED:
DATE ANALYZED:
SAMPLE MATRIX:
CLIENT ID
GEOTEST PROJECT NO.:
ANALYSES:
09/17/92
09/17/92
09/17/92
SOIL
9370007
93400-08
418.1
ATTENTION:
STEVE CURRA
PROJECT NAME:
LOCATION:
UNOCAL #7048
2518 WHITE LANE
BAKERSFIELD. CA
ANALYSIS OF HYDROCARBON CONTENT BY INFRARED SPECTROMETRY
EPA METHOD 418.1
SAMPLE IO
RESULTS
(mg/kg)
DETECTION LIMIT
(mg/kg)
WO-W-11
WO-SE-ll
WO-NE-ll
NO
NO
NO
50
50
50
NO ~ Not detected below indicated limit of detection. ~~
Analyst: TF Reviewed and Approved: ~
Report date: ¿
This report pertains only to the samples investigated and does not
necessarily apply to other apparently identical or similar materials.
This report is submitted for the exclusive use of the client to whom it
is addrE:"õsed.
r:;FnTF.~Ti<:, ~ rlivic:il"ln nf ~~()~~RV r~~ '" r",'ifnmi", rnrnn"",ti"n
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IGEOTEST
An Environmental Monitoring
I and Testing Service
I
I
Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (800) 624-5744
lAB 0 RAT 0 R Y
R E P 0 R T
-----~
GEORESEARCH
1713 TULARE STREET, SUITE 113
FRESNO, CA 93721
DATE SAMPLED :
DATE RECEIVED:
DATE ANALYZED:
09/16/92
09/16/92
09/16/92
09/17/92
SOIL
9370007
93400-08
418.1
I
ATTENTION:
STEVE CURRA
SAMPLE MATRIX:
CLIENT 10
GEOTEST PROJECT
ANALYSES:
NO. :
PROJECT NAME:
LOCATION:
UNOCAL #7048
2518 WHITE LANE
BAKERSFIELD, CA
I
I
I
I
I
I
I
I
I
I
I
I
ANALYSIS OF HYDROCARBON CONTENT BY INFRARED SPECTRO"ETRY
EPA "ETHOD 41B.1
SAMPLE 10
RESULTS
(mg/kg)
DETECTION LIMIT
(mg/kg)
WO-C-10
WO-C-13
NO
NO
50
50
NO - Not detected below indicated limit of detection. ~
Analyst: TF Reviewed and Approved:
Report date: ' z.. '--
This report pertains only to the samples investigated and does not
necessarily apply to other apparently identical or similar materials.
This report is submitted for the exclusive use of the client to whom it
is addressed.
GEOTEST is a division of GEO~FRV r.F~ ~ r~ jfnmi~ r.nmnrntinn
1"'"\011"'1"-' ^ I
.......
-..
...
~
IGEOTEST
An Environmental Monitoring
I and Testing Service
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (800) 624-5744
LAB 0 RAT 0 R Y
R E P 0 R T
-~--
ATTENTION:
STEVE CURRA
DATE SAMPLED
DATE RECEIVED:
DATE ANALYZED:
SAMPLE MATRIX:
CLIENT 10
GEOTEST PROJECT
ANALYSES:
09/15/92
09/16/92
09/16/92
SOIL
9370007
93400-08
418.1
GEORESEARCH
1713 TULARE STREET, SUITE 113
FRESNO, CA 93721
NO. :
PROJECT NAME:
LOCATION:
UNOCAL #7048
2518 WHITE LA Nt
8AKERSFIELD, CA
-a"~1
ANALYSIS OF HYDROCARBON CONTENT BY INFRARED SPECTRO"ETRY
EPA "ETHOD 418.1
SAMPLE 10
RESULTS
(mg/kg)
DETECTION LIMIT
(mg/kg)
Hl-5
Hl-10
H2-5
H2-10
NO
NO
NO
NO
50
50
50
50
Analyst:
TF
Reviewed and Approved:
Report date:
~
NO - Not detected below indicated limit of detection.
This report pertains only to the samples investigated and does not
necessarily apply to other apparently identical or similar materials.
This report is submitted for the exclusive use of the client to whom it
is addressed.
GEOTEST is a division of GEOSERVICES. a California corporation.
r\Plr.:INI\I
I
I
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I
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I
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EPA METHOD 8010
LABORATORY REPORTS
UN7048.TC110992F4
IGEOTEST
An Environmental Monitoring
I and Testing Service
Post Office Box 90911, Long Beach, California 90809-0011 (310) 498-9515 (BOO) 624-5744
.l
LAB 0 RAT 0 R Y R E P 0 R T
_'I'.' _......_~...
=-I~___ ~__ ..4_ICI____..IA__~_
IOJECT NAME:
CATION:
UNOCAL #7048
2518 WHITE LANE
BAKERSFIELD. CA
DATE SAMPLED :
DATE RECEIVED:
DATE ANALYZED:
SAMPLE MATRIX:
CLIENT 10
GEOTEST PROJECT NO.:
ANALYSES:
PAGE 1 OF 2
SAMPLE 10:
09/16/92
09/16/92
09/20/92
SOIL
9370007
93400-08
8010
GEORESEARCH
113 TULARE STREET. SUITE 113
ESNO. CA 93721
1fTENTION: STEVE CURRA
WO-C-13
I
ANALYSIS OF VOLATILE HALOGENATED ORGANICS BY EPA METHOD 8010
MPOUNDS
RESULTS
(mg/kg)
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
DETECTION LIMIT
(mg/kg)
0.05
0.05
0.05
0.05
0.01
0.10
0.010
0.010
0.010
0.010
0.010
0.010
0.010
0.010
0.010
0.010
0.010
loromethane
tnYl Chloride
omomethane
loroethane
Trichlorofluoromethane
Il-Dichloroethene
thylene Chloride
trans-l.2-0ichloroethene
Il-Dichloroethane
s-1.2-dichloroethene
loroform
1.1.1-Trichloroethane
Irbon Tetrachloride
2-0ichloroethane
Trichloroethene
12-0iChlOropropane
omodichloromethane
1- Not
alyst:
detected below indicated limit of detection.~é.1/ ~
OS Reviewed and Approved: r ~
R e p 0 r t date:'· t ~ /5 t..-
1.S report pertains only to the samples investigated and does
necessarily apply to other apparently identical or similar materials.
IPort is submitted for the exclusive use of the client to whom
dressed.
not
This
it is
I
r:;1=nT1=.C::T;c:: ~ rli,,,dl"ln r.f r-~r)~~O" I""~~ .. 1"""'"#,,.....,'" ,..""""",_t',..n
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fGEOTEST
An Environmental Monitoring
I and Testing Service
Post Office Box 90911, Long Beach, California ~11 (310) 498-9515 (BOO) 624-5744
I
I
LAB 0 RAT 0 R Y
R E P 0 R T
I PROJECT NAME:
LOCATION:
UNOCAL #7048
2518 WHITE LANE
BAKERSFIELD, CA
DATE SAMPLED
DATE RECEIVED:
DATE ANALYZED:
SAMPLE MATRIX:
CLIENT 10
GEOTEST PROJECT NO.:
ANALYSES:
PAGE 2 OF 2
SAMPLE 10:
09/16/92
09/16/92
09/20/92
SOIL
9370007
93400-08
8010
I GEORESEARCH
1713 TULARE STREET, SUITE 113
FRESNO, CA 93721
I ATTENTION: STEVE CURRA
WO-C-13
I
I
I
ANALYSIS OF VOLATILE HALOGENATED ORGANICS BY EPA METHOD 8010
COMPOUNDS
RESULTS
(mg/kg)
DETECTION LIMIT
(mg/kg)
I
I
I
cis-1,3-0ichloropropene
trans-l,3-dichloropropene
l,l,2-Trichloroethane
Tetrachloroethene
Oibromochloromethane
Chlorobenzene
Bromoform
1,l,2,2-Tetrachloroethane
1,3-0ichlorobenzene
1,4-0ichlorobenzene
l,2-0ichlorobenzene
NO
ND
NO
NO
NO
NO
NO
NO
NO
NO
ND
0.010
0.010
0.010
0.010
0.010
0.010
0.050
0.010
0.010
0.010
0.010
I
I
I
I
NO - Not detected below indicated limit of detection'~1 / ~
Analyst: OS Reviewed and Approved: ~
Report date:' ~/11....--
Thl.S report pertains only to the samples investigated and does not
necessarily apply to other apparently identical or similar materials.
This report is submitted for the exclusive use of the client to whom it
is addressed.
r::1=()T1=.~T i<: ~ rii"¡"'¡",,, nf r.:r::nc:::r::Q\lIr.r::c::: ~ r~lifnm¡~ rnrnn~tinn
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EPA METHOD 6010
LABORATORY REPORTS
UN7048.TC110992F4
:='= ~
=
IGEOTEST
An Environmental Monitoring
and Testing Service
Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (800) 624-5744
I
I
LAB 0 RAT 0 R Y
R E P 0 R T
1~~;~~~~~~·~'~'··:~'~:~;~··~""·N~~:~~~.....~~m:_.___---=-~:~f~~~·~~:·;~-"-~~-'----:":'~~T~ ~_N...n...'
ESNO. CA 93721 DATE ANALYZED: 09/21/92
SAMPLE MATRIX: SOIL
CLIENT 10 9370007
GEOTEST PROJECT NO.: 93400-08
ANALYSES: TITLE 22
METALS
WO-C-13
tTENTION:
STEVE CURRA
IOJECT NAME:
UNOCAL #7048
2518 WHITE LANE
BAKERSFIELD. CA
SAMPLE 10:
I
ANALYSIS OF METALS BY ICP EPA METHOD 6010
ITALS
RESULTS
(mg/kg)
DETECTION LIMITS
(mg/kg)
Itim~ny
senlC
Barium
IrYllium
dmium
romium
Cobalt
Ippe r
ad
Molybdenum
ICkel
lenium
l.lver
lallium
nadium
nc
NO
NO
88
0.52
0.31
7.1
5.3
37
2.2
NO
4.9
NO
NO
NO
22
48
0.91
3.0
0.5
0.06
0.12
0.12
0.32
0.29
1.0
2.0
0.20
1.6
0.18
5.0
0.17
0.11
If - Not detected.
Analyst: SC Reviewed and Approved:
Report date:
is report pertains only to the samples. investigate and oes not
cessarily apply to other apparently identical or similar materials. This
report is submitted for the exclusive use of the client to whom it is
'dressed.
I
GEOTEST is a division of GEOSEAVICES. a California corooration.
(\Dtr~, 1\1 {o,!
I
.....
-...
--
-
-
IGEOTEST
An Environmental Monitoring
I and Testing Service
I
lORE SEARCH
13 TULARE
FRESNO, CA
ITENTION:
aOJECT NAME:
I
Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (800) 624-5744
LAB 0 RAT 0 R Y
R E P 0 R T
à ~.__ .-.......
-'..........-..-"""nn
STREET, SUITE 113
93721
DATE SAMPLED
DATE RECEIVED:
DATE ANALYZED:
SAMPLE MATRIX:
CLIENT 10
GEOTEST PROJECT
ANALYSES:
09/16/92
09/16/92
09/18/92
SOIL
9370007
93400-08
7470
STEVE CURRA
NO. :
UNOCAL #7048
2518 WHITE LANE
BAKERSFIELD, CA
I
SAMPLE 10
I
I-C-13
I
I
I
ANALYSIS OF MERCURY BY COLD VAPOR/ATOMIC ABSORPTION
EPA METHOD 7470
RESULTS
.( m 9 / kg)
DETECTION LIMIT
(mg/kg)
NO
0.020
~ - Not detected below indicated limit of detection. ____________~_u~
ralyst: RV Reviewed and Approved: ,~
Report date: t- 71---
liS report pertains only to the samples investigated and does not
cessarily apply to other apparently identical or similar materials. This
port is submitted for the exclusive use of the client to whom it is
addressed.
I
GEOTEST is a divi~ion of GEOSERVICES ~ ('.;: jfnmi;:¡ r.nmorntion
nRIr,INAI
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OAOC DOCUMENTATION
UN7048.TC110992F4
Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (800) 624-5744
I
I
QUALITY ASSURANCE/QUALITY CONTROL SUMMARY
ANALYSIS OF METALS BY ICP EPA METHOD 6010
....--,..--........-
"".______......_"*"1'.1111.1.1'.'1"1111
,......--.---...
IOTEST CLIENT NAME:
OTEST PROJECT NO:
OTEST PROJECT NAME:
DATE ANALYZEO:09/21/92
IrMPLE MATRIX:SOIL
GEORESEARCH
93400-08
UNOCAL #7048
Ilem~nts
Antimony
ts~niC
rlum
Beryllium
~dmium
~romium
Cobalt
IPper
ead
olybdenum
Nickel
.lenium
lil ve r
Thallium
rnadium
line
METHOD BLANK
(mg/kg)
DETECTION LIMIT
(mg/kg)
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
0.91
3.0
0.05
0.06
0.12
0.12
0.32
0.29
1.0
2.0
0.20
1.6
0.18
5.0
0.17
0.11
APpcoved'- ~~
4/~( A 1--
¡ /
....--.--..--..----
teCl<ed anc
Report Date:
I
I
I
I
I
GEOTEST is a division of GEOSERVICES. a California corporation.
ORI(,INAI
-
Ifi~Q!~~!
and Testing Service
Post Office Box 90911, Long Beach, California 908ŒH)911 (310) 498-9515 (BOO) 624-5744
I
L QUALITY ASSURANCE/QUALITY CONTROL SUMMARY
__....m_~._mm_~__~~:.~~.~~..~~,~~!....~~~!.': ~ 0 ~~ 1 ~
J.Å"'Hf"_IlUUHfffU~n"""-_
IEOTEST CLIENT NAME:
EOTEST PROJECT NO:
EOTEST PROJECT NAME:
DATE ANALYZEO:09/21/92
IAMPLE MATRIX:SOIL
GEORESEARCH
93400-08
UNOCAL #7048
11 emen ts
LCS ACCURACY
%
.ntim~ny
rsenlC
arium
Beryllium
lðdmium
hromium
Cobalt
íopper
ead
olybdenum
Nicl<:el
lelenium
ilver
Thallium
I~nðdium
lnc
98
97
10Ø
99
97
95
102
103
97
102
99
96
101
97
101
102
- ~ 1z;1---
Approved: ~
q/;.,lfAt--
I /
IheCkEd and
¡epoct
I
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Oa te:
GEOTEST is a division of GEOSERVICES. a California corporation.
ORIC:;JNAL
.......
~
....
-
.--JÆ7
~~ºI~~!
and Testing Service
Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (800) 624-5744
I
J
QUALITY ASSURANCE/QUALITY CONTROL SUMMARY
ANALYSIS OF METALS BY ICP EPA METHOD 6010
----..-----..-
.___.._.....__11___.._11__" ____....__1._.....1____....,,*_
; laTEsT CLIENT NAME:
OTEST PROJECT NO:
OTEST PROJECT NAME:
DATE ANALYZED:09/21/92
ItMPLE MATRIX:SOIL
GEORESEARCH
93400-08
UNOCAL #7048
lernents
MATRIX SPIKE
RECOVERY
RELATIVE PERCENT
DIFFERENCE
%
ItimOny
Arsenic
I r i um
ryllium
Cadmium
Iromium
baIt
pper
Lead
I IIYbdenUm
cKel
Selenium
11 ve r
allium
Vanadium
...-.
)nc
85
94
99
92
93
95
94
96
93
95
95
93
89
87
96
98
0.8
1.4
ø. 7
ø . 4
0.6
0.1
0.7
0.4
1.5
0.5
0.5
0.9
o
0.6
o
5.2
Checked and Approved:
Ipor~ Date:
/Ú1!¡;/
q/¿~A!./
. /
I
I
I
I
GEOTEST is a division of GEOSERVICES, a California corporation.
ORIGINAL
:='= ã
IGEOTEST
An Environmental Monitoring
and Testing Service
I
I
I
Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (800) 624-5744
QUALITY ~SSURANCE/QUALITY CONTROL SUMMARY
ANALYSIS OF MERCURY BY COLD VAPOR/ATOMIC ABSORPTION
EPA METHOD 7470
GEOTEST CLIENT NAME: GEORESEARCH
10TEST PROJECT NO: 93400-08
OTEST PROJECT NAME: UNOCAL ~7048
DATE ANALYZED: 09/18/92
MATRIX: SOIL
rMPLE
I
CONCENTRATION
(mg/kg)
DETECTION LIMIT
(mg/kg)
ITHOD BLANK
NO
0.020
_.-_..~_.._--_...".-
.. ____%_..._....__101_
ACCURACY
----Ãê-C-EPTAšTI"RÃÑG-Ë
%
I
LABORATORY
I
CONTROL STANDARD
90
70 - 130%
%
RECOVERY
Ace E P m Lr:-rrÄ1fGt'
%
ITRIX SPIKE
99
70 - 130%
%
REPRODUCIBILITY
ACCEPTABLE RANGE
%
I
MATRIX SPIKE DUPLICATE
I
I
ChecKed and Approved:
I Repúrt Date:
I
I
104
70 - 130%
t/Ø//
ú /L ý /1 'ì--
/ /
GEOTEST is a division of GEOSERVICES. a California corooration.
0.RIr.,1\1 III
I ='= =.
I _
IGEOTEST
Än Environmental Monitoring
and Testing Service
Post Office Box 90911, Long Beach, California 90809-()911 (310) 498-9515 (800) 624-5744
I
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_____~o:1Iøc:=_".lmml mnutftNaftla"'~.- ~lmUICmÞlr.__cm~~ØI~_I~_""IaIØl.."'""CUØJUI".cUM.nun~""~ln&:I
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QUALITY ASSURANCE/QUALITY CONTROL SUMMARY
ANALYSIS OF VO'_ATILE HALOGENATED ORGANICS BY EPA METHOD 8010
GEOTEST CLIENT NAME:
GEOTEST PROJECT NO.:
GEOTEST PROJECT NAME:
DATE ANALYZED:
SAMPLE MATRIX:
GEORESEARCH
93400-08
UNOCAL #7048
09/20/92
SOIL
I COMPOUNDS
Chloromethane
I Vinyl Chloride
Bromomethane
Chloroethane
I Trichlorofluoromethane
1.1-Dichloroethene
Methylene Chloride
I trans-1,2-Dichloroethene
l,l-Dichloroethane
cis-l,2-dichloroethene
Chloroform
11.1,l-Tric.hloroethane
Carbon Tetrachloride
1,2-Dichloroethane
I Trichloroethene
1.¿-oichloropropane
ero~odic.hloromethane
I
I
I
I
I
I
METHOD BLANK
(mg/kg)
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
DETECTION LIMIT
(mg/kg)
0.05
0.05
0.05
0.05
0.01
0.10
0.010
0.010
0.010
0.010
0.010
0.010
0.010
0.010
0.010
0.010
0.010
ChEcked eod APproved'~
q;tfA~
, / -
F,=:::Jrt c.c:t~:
GEOTEST is a division of GEOSERVICES. a California corporation.
ORf('; NAI
I
I
IGEOTEST
An Environmental Monitoring
and Testing Service
......
~
~
-
Post Office Box 90911,long Beach, California 90809-0911 (310) 498-9515 (800) 624-5744
I
I
I
QUALITY ASSURANCE/QUALITY CONTROL SUMMARY
ANALYSIS OF VOLATILE HALOGENATED ORGANICS BY EPA METHOD 8010
=-----"10--=_____'_10....-.-___,_,....._....__'"_'__...,1 __~.-............._It_____". _.. 1 .--.-.........,.......
GEOTEST CLIENT NAME:
GEOTEST PROJECT NO.:
GEOTEST PROJECT NAME:
DATE ANALYZED:
SAMPLE MATRIX:
GEORESEARCH
93400-08
UNOCAL #7048
09/20/92
SOIL
I
....-..---...
.....~'.....,...__-......._----_._-_.........,
I
I
METHOO BLANK
(mg/kg)
DETECTION LIMIT
(mg/kg)
COMPOUNDS
I
I
I
I
I
I
I
cis-1,3-Dichloropropene
trans-1,3-dichloropropene
1,1,2-Trichloroethane
Tetrachloroethene
Oibromochloromethane
Chlorobenzene
Bromoform
1,1,2,2-Tetrachloroethane
l,3-Dichlorobenzene
1.4-0ichlorobenzene
l,2-0ichlorobenzene
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
0.010
0.010
0.010
0.010
0.010
0.010
0.050
0.010
0.010
0.010
0.010
Checked dnd APproved'~~~
¡:;"'port Oate:
q /if A ~
I "
I
I
I
GEOTEST is a division of GEOSEAVICES. a California comoration.
(')Df(' 11\1 ,\ I
=.
-
-
Ig£Qr~~!
and Testing Service
Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (800) 624-5744
I
I - " w _.w__~,..w
I
QUALITY ASSURANCE/QUALITY CONTROL SUMMARY
ANALYSIS OF VOLATILE HALOGENATED ORGANICS BY EPA METHOD 8010
n_I"-..-__IM'"._____~_...
~-v-v- """I~ cmnhW
GEOTEST CLIENT NAME:
GEOTEST PROJECT NO.:
GEOTEST PROJECT NAME:
DATE ANALYZED:
SAMPLE MATRIX:
GEORESEARCH
93400-·08
UNOCAL 11'7048
09/20/92
SOIL
I
....--.....
I COMPOUNDS
lCS ACCURACY
Chloromethane
I Vinyl Chloride
Bromomethane
Chloroethane
I Trichlorofluoromethane
1.1-0ichloroethene
Methylene Chloride
I trans-1.2-Dichloroethene
1.1-Dichloroethane
cis-1.2-dichloroethene
Chloroform
I 1.l,l-Trichloroethane
Carbon Tetrachloride
1.2-0ichloroethane
TrichloToethene
1.2-Dichloropropane
8romodichloromethane
I
I Checked and Approved, ;t.Mij/
I Pepo'- t Oa te: Þf/lf At.----
40
59
90
85
100
105
123
102
123
110
129
122
113
119
113
123
129
I
I
I
I
GEOTESTis a division of GEOSERVICES, a California corporation.
ORIGINAl
:='= à
IGEOTEST
An Environmental Monitoring
and Testing Service
Post Office Box 90911, Long Beach, California ~11 (310) 498-9515 (800) 624-5744
I
I --..-...
QUALITY ASSURANCE/QUALITY CONTROL SUMMARY
ANALYSIS Of VOLATILE HALOGENATED ORGANICS BY EPA METHOD 8010
---.;__....'......'11014"'1'_"____ ___...."_'"""1'''...._'__....
.._..... _...._.......... 111..........-
"'lUll' I ...m .411..._.-......_"_1..11
GEOTEST CLIENT NAME:
I GEOTEST PROJECT NO.:
GEOTEST PROJECT NAME:
DATE ANALYZED:
I SAMPLE MATRIX:
GEORESEARCH
93400-08
UNOCAL 17048
09/20/92
SOIL
I COMPOUNDS
lCS ACCURACY
lei 5 -1., 3 - 0 i chI 0 r 0 pro pen e
trans-l,3-dichloropropene
I Oibromochloromethane
Chlorobenzene
Bromoform
1,l.2,2-Tetrachloroethane
I l,3-Dichlorobenzene
1.4-Dichlorobenzene
l,2-Dichlorobenzene
120
126
130
113
140
120
97
100
97
I
I Checked and APproved'~/ µ
?¡/¿jß ~
, ,
Report Oét:e:
I
I
I
I
I
I
GEOTESTis a division of GEOSERVICES. a California corporation.
()PI~!NAI
I ='= ;:.
I _
~n[QI~2!
and Testing Service
Post Office Box 90911, Long Beach, California ~11 (310) 498-9515 (800) 624-5744
1
QUALITY ASSURANCE/QUALITY CONTROL SUMMARY
ANALYSIS OF VOLATILE HALOGENATED ORGANICS BY EPA METHOD 8010
1----------
1
GEOTEST CLIENT NAME:
GEOTEST PROJECT NO.:
GEOTEST PROJECT NAME:
DATE ANALYZED:
1 SAMPLE MATRIX:
1 COMPOUNDS
1 Chloromethane
Vinyl Chloride
Bromomethane
Chloroethane
I Trichlorofluoromethane
1.1-Dichloroethene
Me~hylene Chloride
I trans-l,2-0ichloroethene
1,1-Dichloroethane
cis-l.2-dichloroethene
I Chloroform
1,1.1-Trichloroethane
Cõrbon Te~rachloride
1.2-Dichloroethane
I Trichloroethene
1.2-Dichlúropropane
Eromodichloromethane
I
I
I
Checked and Approved:
fieport Oate:
I
I
I
_111....ü_~____
GEORESEARCH
93400-08
UNOCAL #7048
09/20/92
SOIL
,....--
(UI~'II"I""'rrl 1111.."'......__...__
-..----
MATRIX SPIKE
RECOVERY
MATRIX SPIKE
REPRODUCIBILITY
40
52
77
75
85
92
107
87
103
92
107
104
97
93
97
102
~4#
q/uJh/V
I /
7
2
ø
4
2
25
2
ø
1
o
1
1
o
o
2
2
o
GEOTEST is a division of GEOSERVICES. a California corporation.
ORIGINAL
I:!£QI~~!
and Testing Service
Post Office Box 90911, Long Beach, California ~11 (310) 498-9515 (BOO) 624-5744
I
I _=_m_______~~-
I
I
I
I
QUALITY ASSURANCE/QUALITY CONTROL SUMMARY
ANALYSIS OF VOLATILE HALOGENATED ORGANICS BY EPA METHOD 8010
-_-.au:øq_cc=--.-..:._..
GEOTEST CLIENT NAME:
GEOTEST PROJECT NO.:
GEOTEST PROJECT NAME:
DATE ANALYZED:
SAMPLE MATRIX:
GEORESEARCH
93400-08
UNOCAL 117048
09/20/92
SOIL
COMPOUNDS
MATRIX SPIKE
DUPLICATE
RELATIVE PERCENT
DIFFERENCE
cis-1,3-Dichloropropene
trans-1,3-dichloropropene
1.1,2-Trichloroethane
I Tetrachloroethene
Dibromochloromethane
Chlorobenzene
I Bromoform
1.1.2.2-Tetrachloroethane
1,3-0ichlorobenzene
11,¿:-Dichlorobenzene
1.2-Dichlorobenzene
I
I
I
I
I
I
I
98
97
98
93
105
99
107
90
105
84
105
1
2
1
1
3
o
o
1
13
1
6
Checked and Approved:
~
RepQrt
Date:
£! /<-f;/) ~
/
GEOTEST is a division of GEOSERVICES. a California corporation.
ORiGINAL
I=,
I
.......
~
--
1~~QI~2!
and Testing Service
Post Office Box 90911, Long Beach, California 908~11 (310) 498-9515 (BOO) 624-5744
I
I
I GEOTEST CLIENT NAME:
GEOTEST PROJECT NO:
GEOTEST PROJECT NAME:
I DATE ANALYZED:09/17/92
SAMPLE MATRIX:SOIL
I
I
I
I
I
I
I
I
I
I
I
I
QUALITY ASSURANCE/QUALITY CONTROL SUMMARY
ANALYSIS OF HYDROCARBON CONTENT BY GAS CHROMATOGRAPHY
TOTAL PETROLEUM HYDROCARBO~S - GASOLINE
GEORESEARCH
93400-08
UNOCAL #7048
ELAP Certification #1655
Analyses prep method:5030
Analyses method:DHS TPH-G
~-=======-=--
....~.AI.W- .to...,.4,#,
"'I'1""#~1U
CONCENTRATION
(mg/kg)
DETECTION LIMIT
(mg/kg)
METHOD BLANK
NO
1.0
ACCURACY
%
ACCEPTABLE RANGE
%
LABORATORY CONTROL STANDARD
91
70 - 130
RECOVERY
%
ACCEPTABLE RANGE
%
MATRIX SPIKE
99
70 - 130
REPRODUCIBILITY
%
ACCEPTAB.lE RANGE
%
MATRIX SPIKE DUPLICATE
95
70 - 130
Report Date:
JbßY'
~/l/'-fÆ~
I r
Checked and Approved:
GEOTESTis a division of GEOSEAVICES, a California corporation.
()Plr.I!\!lIl
I=,i:.
I
Igß:Qr~2!
and Testing Service
Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (800) 624-5744
I
I
I GEOTEST CLIENT NAME:
GEOTEST PROJECT NO:
GEOTEST PROJECT NAME:
I DATE ANALYZED:09/19/92
SAMPLE MATRIX:SOIL
I
I
I
I
I
I
I
I
I
I
I
I
QUALITY ASSURANCE/QUALITY CONTROL SUMMARY
ANALYSIS OF HYDROCARBON CONTENT BY GAS CHROMATOGRAPHY
.TOTAL PETROLEUM HYDROCARBONS - GASOLINE
GEORESEARCH
93400-08
UNOCAL *7048
ELAP Certification #1655
Analyses prep method:5030
Analyses method:DHS TPH-G
__.__omnnulna:øan:r-- -
_'_W_H __ _
........... _~ _~r-~ ........I~nm
CONCENTRATION
(mg/kg)
DETECTION LIMIT
(mg/kg)
METHOD BLANK
NO
1.0
ACCURACY
%
ACCEPTABLE RANGE
%
LABORATORY CONTROL STANDARD
94
70 - 130
RECOVERY
%
ACCEPTABLE RANGE
%
MATRIX SPIKE
100
70 - 130
REPRODUCIBILITY
%
ACCEPTABLE RANGE
%
Q
MATRIX SPIKE DUPLICATE
95
70 - 130
Report Date:
#ß4//
.
q!t-v/ A l/
, /
Checked and Approved:
- ......
GEOTESTis a division of GEOSERVICES. a California corporation.
nRIr.INAI
I=,~
I
¡ I f2£Qr~~!
and Testing Service
Post Office Box 90911, Long Beach, California 908()9.{)911 (310) 498-9515 (800) 624-5744
I
I
I
I
I
I
I
I
I
I
I
I MATRIX SPIKE DUPLICATE
I
I
I
I
QUALITY ASSURANCE/QUALITY CONTROL SUMMARY
ANALYSIS OF HYDROCARBON CONTENT BY GAS CHROMATOGRAPHY
TOTAL PETROLEUM HYDROCARBONS - GASOLINE
GEOTEST CLIENT NAME:
GEOTEST PROJECT NO:
GEOTEST PROJECT NAME:
DATE ANALYZED:09/21/92
SAMPLE MATRIX:SOIL
GEORESEARCH
93400-08
UNOCAL #7048
ELAP Certification #1225
Analyses prep method:5030
Analyses method:DHS TPH-G
_____r
----.....- ~-
-"'"_.'"
CONCENTRATION
(mg/kg)
DETECTION LIMIT
(mg/kg)
METHOD BLANK
NO
1.0
ACCURACY
%
ACCEPTABLE RANGE
%
LABORATORY CONTROL STANDARD
102
70 - 130
RECOVERY
%
ACCEPTABLE RANGE
%
/'lATRIX SPIKE
106
70 - 130
REPRODUCIBILITY
%
ACCEPTABLE RANGE
%
99
70 - 130
Report Date:
k¿/
Þf/¿{/<~
, ?
Checked and Approved:
GEOTEST is a division of GEOSERVICES. a California corporation.
ORIr,INAI
:A
IGEOTEST
An Environmental Monitoring
I and Teoting Soori"
I
I
I
I
,I METHOD BLANK
I
I LABORATORY CONTROL STANDARD
I
I MATRIX SPIKE
I
I !'lATRIX SPIKE DUPLICATE
I Checked and Approved:
I
I
I
Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (800) 624-5744
QUALITY ASSURANCE/QUALITY CONTROL SUMMARY
ANALYSIS OF HYDROCARBON CONTENT BY GAS CHROMATOGRAPHY
TOTAL PETROLEUM HYDROCARBONS - GASOLINE .
GEOTEST CLIENT NAME:
GEOTEST PROJECT NO:
GEOTEST PROJECT NAME:
DATE ANALYZED:09/19/92
SAMPLE MATRIX:SOIL
GEORESEARCH
93400-08
UNOCAL #7048
ELAP Certification #1655
Analyses prep method:5030
Analyses method:DHS TPH-G
~
CONCENTRATION
(mg/kg)
DETECTION LIMIT
(mg/kg)
NO
1.0
ACCURACY
%
ACCEPTABLE RANGE
%
114
70 - 130
RECOVERY
%
ACCEPTABLE RANGE
%
98
70 - 130
REPRODUCIBILITY
%
ACCEPTABLE RANGE
%
81
70 - 130
Report Date:
#¿/~
q/2-'fA~
I ...
GEOTEST is a division of GEOSERVICES. a California corooration:
()P'~''''^
t2EOTEST
An Environmental Monitoring
I and Testing Service
I
I
I
I
I /'IETHOD BLANK
I
I LABORATORY CONTROL STANDARD
I
I /'lATRIX $PIKE
I
I /'lATRIX SPIKE DUPLICATE
I Checked and Approved:
I
I
I
Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (800) 624-5744
QUALITY ASSURANCE/QUALITY CONTROL SUMMARY
ANALYSIS OF HYDROCARBON CONTENT BY GAS CHROMATOGRAPHY
TOTAL PETROLEUM HYDR~CARBONS - GASOLINE
GEOTEST CLIENT NAME:
GEOTEST PROJECT NO:
GEOTEST PROJECT NAME:
DATE ANALYZED:09/21/92
SAMPLE MATRIX:SOIL
GEORESEARCH
93400-08
UNOCAL #7048
ELAP Certification #1655
Analyses prep method:5030
Analyses method:DHS TPH-G
_N''""'I__ -W--M-
-·-ra-.mv__..............-- -
CONCENTRATION
(mg/kg)
DETECTION LIMIT
(mg/kg)
ND
1.0
ACCURACY
%
ACCEPTABLE RANGE
%
114
70 - 130
RECOVERY
%
ACCEPTABLE RANGE
%
98
70 - 130
REPRODUCIBILITY
%
ACCEPTABLE RANGE
%
B1
70 - 130
Report Date:
M//'
/
4~1A1/"
. /
GEOTESTis a division of GEOSERV'CES. R (",;¡lifnmiR r.nmnrntinn,
^DII""f\t ^.
......
~
--
IGEOTEST
An Environmental Monitoring
and Testing Service
Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (800) 624-5744
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
QUALITY ASSURANCE/QUALITY CONTROL SUMMARY
ANALYSIS OF·HYDROCARBON CONTENT BY GAS CHROMATOGRAPHY
TOTAL PETROLEUM HYDROCARBONS - DIESEL
GEOTEST CLIENT NAME: GEORESEARCH
GEOTEST PROJECT NO: 93400-08
GEOTEST PROJECT NAME: UNOCAL *7048
DATE ANALYZED: 09/16/92
SAMPLE MATRIX: SOIL
CONCENTRATION
(mg/kg)
DETECTION LIMIT
(mg/kg)
METHOD BLANK
NO
5.0
%
ACCURACY
Atct:1>'TA1ITË RAÑGE
%
LABORATORY CONTROL STANDARD
108
70 - 130%
%
RECOVERY
ACCEPTABLE RANGE
%
MATRIX SPIKE
122
70 - 130%
%
REPRODUCIBILITY
ACCEPTABLE RANGE
%
MATRIX SPIKE DUPLICATE
111
70 - 130%
Report Date:
:dÞ4#
, t?!/;¿, tfÁ I-
t v
... .-- '"
Checked and Approved:
GEOTEST is a division of GEOSERVICES. a California corporation.
()R ~'NA'
.....
....
-.
IGEOTEST
An Environmental Monitoring
and Testing Service
Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (BOO) 624-5744
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
QUALITY ASSURANCE/QUALITY CONTROL SUMMARY
ANALYSIS OF HYDROCARBON CONTENT BY GAS CHROMATOGRAPHY
TOTAL PETROLEUM HYDROCAR30NS - DIESEL
GEOTEST CLIENT NAME: GEORESEARCH
GEOTEST PROJECT NO: 93400-08
GEOTEST PROJECT NAME: UNOCAL ~7048
DATE ANALYZED: 09/17/92
SAMPLE MATRIX: SOIL
CONCENTRATION
(mg/kg)
DETECTION LIMIT
(mgjkg)
METHOD BLANK
NO
5.0
-%
ACCURACY
A~B"lER"ÃÑG E
%
LABORATORY CONTROL STANDARD
108
70 - 130%
%
RECOVERY
ACCEPTABLE RANGE
%
MATRIX SPIKE
112
70 - 130%
%
REPRODUCIBILITY
ACCEPTABLE RANGE
%
MATRIX SPIKE DUPLICATE
111
70 - 130%
Report Date:
;døØf
, ~
P1Ä V
,
.. -.,.
Checked and Approved:
GEOTEST is a division of GEOSERVICES. a California corporation.
()Ptr,INAI
I=,:.
I
IGEOTEST
An Environmental Monitoring
and Testing Service
Post Office Box 90911, long Beach, California ~11 (310) 498-9515 (800) 624-5744
I
I GEOTEST CLIENT NAME: GEORESEARCH
GEOTEST PROJECT NO: 93400-08
I GEOTEST PROJECT NAME: UNOCAL #7048
DATE ANALYZED: 09/21/92
SAMPLE MATRIX: SOIL
I
I
I
I
I
I
I
I
I
I
I
I
I
QUALITY ASSURANCE/QUALITY CONTROL SUMMARY.
ANALYSIS OF BTEX BY GC/PID
ELAP Certification #1655
Analyses prep method:5030
Analyses method:8020
METHOD BLANK
CONCENTRATION
(mg/kg)
DETECTION LIMIT
(mg/kg)
Benzene
Toluene
Ethylbenzene
Total Xylenes
NO
NO
NO
NO
%
ACCURACY
0.005
0.005
0.005
0.015
A C c Ei5T A~ L E RAN G.E
%
LABORATORY CONTROL STANDARD
Benzene
Toluene
Ethylbenzene
Total Xylenes
103
104
97
98
70-130%
70-130%
70-130%
70-130%
%
RECOVERY
ACCEPTABLE RANGE
%
MATRIX SPIKE
Benzene
Toluene
Ethylbenzene
Total Xylenes
106
105
103
103
70-130%
70-130%
70-130%
70-130%
%
REPRODUCIBILITY
ACCEPTABLE RANGE
%
MATRIX SPIKE DUPLICATE
Benzene
Toluene
Ethylbenzene
Total Xylenes
97
99
101
101
70-130%
70-130%
70-130%
70-130%
Checked and Approved:
Report Date:
Q¡£cfj1 v
GEOTESTis a division of GEOSERVfCES, a California corporation.
ORIGINAL
:A~
IGEOTEST
An Environmental Monitoring
I and Testing Service
I
I
I METHOD BLANK
I
I
I LABORATORY CONTROL STANDARD
I
I
I
I
I MATRIX SPIKE DUPLICATE
I
I
I
I
Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (800) 624-5744
QUALITY ASSURANCE/QUALITY CONTROL SUMMARY'
ANALYSIS OF BTEX BY GC/PID
GEOTEST CLIENT NAME: GEORESEARCH
GEOTEST PROJECT NO: 93400-08
GEOTEST PROJECT NAME: UNOCAL *7048
DATE ANALYZED: 09/19/92
SAMPLE MATRIX: SOIL
ELAP Certification #1216
Analyses prep method:5030
Analyses method:8020
CONCENTRATION
(mg/kg)
DETECTION LIMIT
(mg/kg)
Benzene
Toluene
Ethylbenzene
Total Xylenes
NO
NO
NO
NO
"%"--
ACCURACY
0.005
0.005
0.005
0.015
A rc"l~l)f·A B L E
%
~ÃÑGE
Benzene
Toluene
Ethylbenzene
Total Xylenes
88
84
91
90
70-130%
70-130%
70-130%
70-130%
%
RECOVERY
ACCEPTABLE RANGE
%
MATRIX SPIKE
Benzene
Toluene
Ethylbenzene
Total Xylenes
107
105
114
109
70-130%
70-130%
70-130%
70-130%
%
REPRODUCIBILITY
ACCEPTABLE RANGE
%
Benzene
Toluene
Ethylbenzene
Total Xylenes
Report Date:
98
95
91
92
70-130%
70-130%
70-130%
70-130%
Checked and Approved:
r.:~()T~~T ¡., '" Ai,';...;"" ". r-CI'"\~CD' ,.'-"CC' _ ....._".__:_ _____4:__
I
.......
~
....
IGEOTEST
An Environmental Monitoring
I and Testing Service
I
I
I METHOD BLANK
I
I
I LABORATORY CONTROL STANDARD
I
.1
I
I
I MATRIX SPIKE DUPLICATE
I
I
I
I
Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (800) 624-5744
QUALITY ASSURANCE/QUALITY CONTROL SUMMARY'
ANALYSIS OF BTEX BY GC/PID
GEOTEST CLIENT NAME: GEORESEARCH
GEOTEST PROJECT NO: 93400-08
GEOTEST PROJECT NAME: UNOCAL #7048
DATE ANALYZED: 09/19/92
SAMPLE MATRIX: SOIL
ELAP Certification #1655
Analyses prep method:5030
Analyses method:8020
CONCENTRATION
(mg/kg)
DETECTION LIMIT
(mg/kg)
Benzene
Toluene
Ethylbenzene
Total Xylenes
NO
NO
NO
NO
%
ACCURACY
0.005
0.005
0.005
0.015
ACe ~ 'ï A B L Ë R A 'Ff G E
%
Benzene
Toluene
Ethylbenzene
Total Xylenes
90
8B
93
91
70-130%
70-130%
70-130%
70-130%
%
RECOVERY
ACCEPTABLE RANGE
%
MATRIX SPIKE
Benzene
Toluene
Ethylbenzene
Total Xylenes
101
102
100
100
70-130%
70-130%
70-130%
70-130%
%
REPRODUCIBILITY
ACCEPTABLE RANGE
%
Benzene
Toluene
Ethylbenzene
Total Xylenes
80
81
80
85
70-130%
70-130%
70-130%
70-130%
Checked and Approved:
Report Date:
q/L-'fA &-
.
~t:nTt:c:r;<".., ,.,...,;....;,..,_,...,4 ~cr\(:...cn'If,....~r- - ,....-,:~-_:- ------..':...-
IGEOTEST
An Environmental Monitoring
I and Testing Service
Post Office Box 90911, long Beach, California 908ŒH)911 (310) 498-9515 (BOO) 624-5744
QUALITY ASSURANCE/QUALITY CONTROL SUMMARY·
ANALYSIS OF BTEX BY GC/PID
I
GEOTEST CLIENT NAME: GEORESEARCH
I GEOTEST PROJECT NO: 93400-08
GEOTEST PROJECT NAME: UNOCAL #7048
DATE ANALYZED: 09/16/92
SAMPLE MATRIX: SOIL
I METHOD BLANK
ElAP Certification #1655
Analyses prep method:5030
Analyses method:8020
CONCENTRATION
(mg/kg)
DETECTION LIMIT
(mg/kg)
I Benzene
Toluene
I Ethylbenzene
Total Xylenes
I
I
I
I
I
I
I
I
I
I
NO
NO
NO
NO
%-
ACCURACY
0.005
0.005
0.005
0.015
.A-t"ë'r'Þ"""fA"iIT"A"Ñ G E
%
",,--,,0n:...4
LABORATORY CONTROL STANDARD
Benzene
Toluene
Ethylbenzene
Total Xylenes
110
105
105
107
70-130%
70-130%
70-130%
70-130%
%
RECOVERY
ACCEPTABLE RANGE
%
MATRIX SPIKE
Benzene
Toluene
Ethylbenzene
Total Xylenes
86
85
86
88
70-130%
70-130%
70-130%
70-130%
%
REPRODUCIBILITY
ACCEPTABLE RANGE
%
~ATRIX SPIKE DUPLICATE
Benzene
Toluene
Ethylbenzene
Total Xylenes
Report Date:
#¡f/ PI
/
1/vý/í v
r y
93
95
94
94
70-130%
70-130%
70-130%
70-130%
Checked and Approved:
~t=nTt=~T.~ ~ A.,';.,..;""", ,,4 ~CI""\CCO''''''C'C' _ "_':4__:_ -----...:--
~EOTEST
An Environmental Monitoring
I and Testing Service
I
I
I METHOD BLANK
I
I
I LABORATORY CONTROL STANDARD
I
I
I
I
I
MATRIX SPIKE DUPLICATE
I
I
I
I
Post Office Box 90911, Long Beach, California ~11 (310) 498-9515 (800) 624-5744
QUALITY ASSURANCE/QUALITY CONTROL SUMMARY
ANALYSIS OF BTEX BY GC/PID
GEOTEST CLIENT NAME: GEORESEARCH
GEOTEST PROJECT NO: 93400-08
GEOTEST PROJECT NAME: UNOCAL #7048
DATE ANALYZED: 09/17/92
SAMPLE MATRIX: SOIL
ELAP Certification #1655
Analyses prep method:5030
Analyses method:8020
CONCENTRATION
(mg/kg)
DETECTION LIMIT
(mg/kg)
Benzene
Toluene
Ethylbenzene
Total Xylenes
NO
NO
NO
NO
%
ACCURACY
0.005
0.005
0.005
0.015
ACC'I:"' 5T'AIHE RÃ~GE
%
Benzene
Toluene
Ethylbenzene
Total Xylenes
88
84
89
88
70-130%
70-130%
70-130%
70-130%
%
RECOVERY
ACCEPTABLE RANGE
%
/'lATRIX SPIKE
Benzene
Toluene
Ethylbenzene
Total Xylenes
94
96
93
95
70-130%
70-130%
70-130%
70-130%
%
REPRODUCIBILITY
ACCEPTABLE RANGE
%
Benzene
Toluene
Ethylbenzene
Total Xylenes
92
94
96
96
70-130%
70-130%
70-130%
70-130%
Checked and Approved:
Report Date:
Qf0v
~Cr'\'TCC'T":.... _ ....:..:_:__ _6 ""r-,",4""'\~r"'\''',",,'''''''' _ ,...._f~~___':_ __..____a':__
IGEoiEST
An Environmental Monitoring
I and Testing Service
I
I
I
I"
I ELAP certification #1655
Analyses method: 418.1
I
I
I LABORATORY CONTROL STANDARD
I
I
I Mt<TRIX SPI(E DUPLICATE
I
I Cnecked and Approved:
I
I
Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (800) 624-5744
QUALITY ASSURANCE/QUALITY CONTROL SUMMARY
ANALYSIS OF TOTAL RECOVERABLE PETROLEUM HYDROCARBONS
EPA METHOD 418.1
GEOTEST CLIENT NAME: GEORESEARCH
GEOTEST PROJECT NO: 93400-08
GEOTEST PROJECT NAME: UNOCAL #7048
DATE ANALYZED: 09/16/92
SAMPLE MATRIX: SOIL
CONCENTRATION
(mg/kg)
DETECTION LIMIT
(mg/kg)
METHOD BLANK
NO
50
~__CUl"I_""",,,,Ç-
--r--
ACCURACY
~__m____-7iëë·~'~ï'''A1ITr'''l'f'Ä \f G E
%
98
70 - 130%
%
RECOVERY
Actl:ÞTÃSLE 1ii"\li1'GE
%
MATRIX SPIKE
98
70 - 130%
%
REPRODUCIBILITY
ACCEPTABLE RANGE
%
100
70 - 130%
F:E:port Date:
:#tIJ/
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I þ
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---
IGEOTEST
I
I
I
I
I" ElAP certification #1655
Analyses method: 418.1
I
I, METHOD BLANK
I
I
I MATRIX SPIKE
I
I
I Checked ðnd Approved:
I
I
I
An Environmental Monitoring
and Testing Service
Post Office Box 90911, Long Beach, California 90809.{)911 (310) 498-9515 (800) 624-5744
QUALITY ASSURANCE/QUALITY CONTROL SUMMARY
ANALYSIS OF TOTAL RECOVERABLE PETROLEUM HYDROCARBONS
EPA MET\-:IOD 418.1
GEOTEST CLIENT NAME: GEORESEARCH
GEOTEST PROJECT NO: 93400-08
GEOTEST PROJECT NAME: UNOCAl #7048
DATE ANALYZED: 09/17/92
SAMPLE MATRIX: SOIL
CONCENTRATION
(mg/kg)
DETECTION LIMIT
(mg/kg)
NO
50
=_-="'~~-_':IØ¡;"1L~':''''''= r-==-=::::1::. ....II;lmUI1I1:.n "':..OU:I=~;.:;:tnc.I~_........~~.;;..".uu:w:m~ uuu..u.usuunUK,uu'_'UI:m,",",,",,"tUIU'llJUlllut.llU'M;rtv11'tIluu.uu.a'ACCEP'TcABTËtIIR""AN G E
ACCURACY
%
LABORATORY CONTROL STANDARD
100
70 - 130%
%
RECOVERY
AcéËP_ÃE3lE RANGE
%
100
70 - 130%
%
ACCEPTABLE RANGE
%
REPRODUCIBILITY
MATRIX SPIKE DUPLICATE
100
70 - 130%
1!M¡;/
.
R::,port Date:
aj¿,,¡ A z-
. /
r-iFOTF.C:::T Îc: ::I riiviC:;rln ",f r.:1=()~I=~\I rl=~ .. ("..lif"""i,,, """"^r<>ti",,
IGEOTEST
An Environmental Monitoring
I and Testing Service
I
I
I
I
I METHOD BLANK
I
I. LABORATORY CONTROL STANDARD
I
I MATRIX SPIKE
I
I I'IATHIX SÇ-IKE DUPLICATE
I Checked and Approved:
I
I
I
Post Office Box 90911, Long Beach, California 908ŒH>911 (310) 498-9515 (BOO) 624-5744
QUALIT~ ASSURANCE/QUALITY CONTROL SUMMARY
ANALYSIS OF HYDROCARBON CONTENT BY GAS CHROMATOGRAPHY
TOTAL PETROLEUM HYDROCARBONS - GASOLINE
GEOTEST CLIENT NAME:
GEOTEST PROJECT NO:
GEOTEST PROJECT NAME:
DATE ANALYZED:09/17/92
SAMPLE MATRIX:SOIL
GEORESEARCH
93400-08
UNOCAL #7048
ELAP Certification #1655
Analyses prep method:5030
Analyses method:DHS TPH-G
_~~r.<":':"""''''''_'''''___'''''''''''''''''I'''''"''''''''''''''"'"'''-''''''''''',......................Iô",.."·,,,"',:......"."'H.......m"uull.....,,,II'I;..'..o:..m.........,...__............-._...._............-.........11.............'....._._·_.....,1..........1_........._""''".....'11..'"
CONCENTRATION
(mg/kg)
DETECTION LIMIT
(mg/kg)
NO
1.0
ACCURACY
%
ACCEPTABLE RANGE
%
91
70 - 130
<>,
."
ACCEPTABLE RANGE
%
RECOVERY
99
70 - 130
REPRODUCIBILITY
%
ACCEPTABLE RANGE
%
95
7Ø - 13Ø
REoport Date:
/PiTø
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, /
~Cr\TC~T f<'" ~ ,.,;..,;....:_..... _4 ~cr'\C"C'n".,....cc:!' - "'_t-:&__:_ _____4:__
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IGE6TEST
An Environmental Monitoring
I and Testing Service
I
,I
I
I'
I METHOD BLANK
I
I
I
I I'IATRIX SPIKE
I
I I'IA,RIX S~IKE DUPLICATE
I
I
I
I
Post Office Box 90911, Long Beach, California 908~11 (310) 498-9515 (800) 624-5744
QUALITY ASSURANCE/QUALITY CONTROL SUMMARY
ANALYSIS OF HYDROCARBON CONTENT BY GAS CHROMATOGRAPHY
TOTAL PETROLEUM HYDROCARBONS - DIESEL
GEOTEST CLIENT NAME: GEORESEARCH
GEOTEST PROJECT NO: 93400-08
GEOTEST PROJECT NAME: UNOCAL #7048
DATE ANALYZED: 09/17/92
SAMPLE MATRIX: SOIL
CONCENTRATION
(mg/kg)
DETECTION LIMIT
(mg/kg)
NO
5.0
-,~,.._,=~.",_....~-~--.~.__..........._",.._,-~,=~~".",.....'_"-""",%--··--··--_··-··--·-~"'''Aë''c1~~''p·TABrË-''·1rA''Ñ" G E
ACCURACY %
LABORATORY CONTROL STANDARD.
108
70 - 130%
%
RECOVERY
ACCEPTABLE RANGE
%
112
70 - 130%
%
ACCEPTABLE RANGE
%
REPRODUCIBILITY
111
70 - 130%
Report Date:
#4£{
.
1/ ~ 'V
Checked
and Approved:
~t=(*'\TCc::-T:.... ~ ,.,;..~;_:__ _f ~cr\C"~n'II"cc;. _ 1""'_4:$:__:_ ______..:...._
~
:~
IGEOTEST
An Environmental Monitoring
I and Testing Service
Post Office Box 90911, Long Beach, California ~11 (310) 498-9515 (800) 624-5744
I
GEOTEST CLIENT NAME: GEORESEARCH
'I G E 0 T EST PRO J E C T NO: 9 3 4 0 0 - 0 8
GEOTEST PROJECT NAME: UNOCAL #7048
DATE ANALYZED: 09/17/92
1 SAMPLE MATRIX: SOIL
QUALITY ASSURANCE/QUALITY CONTROL SUMMARY
ANALYSIS OF BTEX BY GC/PID
ELAP Certification #1655
Analyses prep method:5030
Analyses method:8020
METHOD BLANK
CONCENTRATION
(mg/kg)
DETECTION LIMIT
(mg/kg)
I'
I,
Benzene
Toluene
Ethylbenzene
Total Xylenes
NO
NO
NO
NO
r-
ACCURACY
0.005
0.005
0.005
0.015
A Cë~ÉPT~R-ÃÑG E
%
I LABORATORY CONTROL STANDARD
Benzene
I Toluene
Ethylbenzene
Total Xylenes
88
84
89
88
70-130%
70-130%
70-130%
70-130%
I
%
RECOVERY
ACCEPTABLE RANGE
%
I MATRIX SPIKE
I
I
I
Benzene
Toluene
Ethylbenzene
Total Xylenes
94
96
93
95
70-130%
70-130%
70-130%
70-130%
%
REPRODUCIBILITY
ACCEPTABLE RANGE
%
MAiRIX SPIKE DUPLICATE
Benzene
Toluene
I £':hylbenz~ne
Total Xylenes
I
I
Checked and Approved:
92
94
96
96
70-130%
70-130%
70-130%
70-130%
Report Date:
ÞJ(&tf ß' u
/
~t:nTt=<::T f~ "!) ,.c'H',..;".... ,...4 ~Cr\CC:O' I.,....CC' ~ I"'_,u_..--:~ ----.....--.:--
I
I~
=~
IGEOTEST
An Environmental Monitoring
I and Testing Service
I
I
I
I ELAP certification #1655
Analyses method: 418.1
II
II MET HOD B LAN K
I LABORATORY CONTROL STANDARD
II
II MAT R I X S P I K E
II
MATRIX SPIKE DUPLICATE
II
m Checked and Approved:
II
II
II
--
Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (800) 624-5744
QUALITY ASSURANCE/QUALITY CONTROL SUMMARY
ANALYSIS OF TOTAL RECOVERABLE PETROLEUM HYDROCARBONS
EPA METHOD 418.1
GEOTEST CLIENT NAME: GEORESEARCH
GEOTEST PROJECT NO: 93400-08
GEOTEST PROJECT NAME: UNOCAL #7048
DATE ANALYZED: 09/17/92
SAMPLE MATRIX: SOIL
CONCENTRATION
(mg/kg)
DETECTION LIMIT
(mg/kg)
NO
50
~-----_....--._-_...
.-.....-.
%
ACCURACY
--..--------;¡ëë...~..PT·ÃBiT"lrAÑ·G E
%
100
70 - 130%
%
RECOVERY
Acét::ptÄBLE rHO~GE
%
100
70 - 130%
%
REPRODUCIBILITY
ACCEPTABLE RANGE
%
100
70 - 130%
Report Date:
þ/Ø
Þf/¿,/¡/f-v
, /
GEOTESTi!';::I rlivi~inn nf r,F()~FRVIr.F~ 1'1 r.::1lifnrnil'l r.nmt"l " :ltinn
Ant~tf\.t""l
:L
~ -
tggdrooTnmettSe~2!
I an es 109 rvlce
I
I
I
I
I ELAP cert.ification #1225
Analyses method: 418.1
I
I .---.,-.-
I LABORATORY CONTROL STANDARD
I
I
I M~TRIX :~!KE DUPLICATE
I
I C~~cked 2nd Approved:
I
I
~
Post Office Box 90911, long Beach, California 90809-0911 (310) 498-9515 (800) 624-5744
QUALITY ASSURANCE./QUALITY CONTROL SUMMARY
ANALYSIS OF TOTAL RECOVERABLE PETROLEUM HYDROCARBONS
EPA METHOD 418.1
GEOTEST CLIENT NAME: GEORESEARCH
GEOTEST PROJECT NO: 93400-08
GEOTEST PROJECT NAME: UNOCAL #7048
DATE ANALYZED: 09/23/92
SAMPLE MATRIX: SOIL
CONCENTRATION
(mg/kg)
DETECTION LIMIT
(mg/kg)
METHOD BLANK
NO
50
. ~-~---·-'''·-~··~·~·_'·---~f-------'··'-'·''"·""---·~---AëëEP"rÃ'šTI"'-i'rÃ-Ñ' G E
ACCURACY %
101
70 - 130%
%
RECOVERY
A (; r~~"1i'NG E
%
"1ATRIX r"f=-!KE
106
70 - 130%
%
ACCEPTABLE RANGE
%
REPRODUCIBILITY
1ØØ
70 - 130%
::<eport Date:
#/í;/
£jp8A~
/
~C::r\TC:<:'T;,......, ....:.~:_:__ -.1 ~c:'r"\C"'cn\"""~~ .... ,...._.:~-_:.... --...---..:--
-
I GEOTEST
!
II
I
II
II
I
I METHOD BLANK
I
I
I
I
I MATRIX SPIKE
I
I
I ~~;RIX SPIKE DUPLICATE
I
I (necked and Approved:
I
An Environmental Monitoring
and Testing Service
Post Office Box 90911, Long Beach, California 9Q809-Q911 (310) 498-9515 (800) 624-5744
QUALITY ASSURANCE/QUALITY CONTROL SUMMARY
ANALYSIS OF BTEX BY GC/PID
GEOTEST CLIENT NAME: GEORESEARCH
GEOTEST PROJECT NO: 93400-08
GEOTEST PROJECT NAME: UNOCAL *7048
DATE ANALYZED: 09/21/92
SAMPLE MATRIX: SOIL
ELAP Certification #1225
Analyses prep method:5030
Analyses method:8020
CONCENTRATION
(mg/kg)
DETECTION LIMIT
(mg/kg)
Benzene
Toluene
Ethylbenzene
Total Xylenes
NO
NO
NO
NO
%
ACCURACY
0.005
0.005
0.005
0.015
A -C C E p"r'Ã'ffü:--¡rÄÑ G E
%
LABORATORY CONTROL STANDARD
Benzene
Toluene
Ethylbenzene
Total Xylenes
103
104
97
98
70-130%
70-130%
70-130%
70-130%
%
ACCEPTABLE RANGE
%
RECOVERY
Ber.zene
Toluene
Ethylbenzene
Total Xylenes
106
105
103
103
70-130%
70-130%
70-130%
70-130%
%
REPRODUCIBILITY
ACCEPTABLE RANGE
%
~eport Date:
#/11/
q IJ0 '-
97
99
101
101
70-130%
70-130%
70-130%
70-130%
Benzene
Toluene
Ethylbenzene
TC;~ðl Xylenes
~ç:f1Tç:~T'C' ~ A;,,'~i,....,..,...~ ~C(",\CCO'If(""CC _ "_':.I_.-i.... -----..:-.....
Post Office Box 90911, Long Beach, California ~11 (310) 498-9515 (800) 624-5744
QUALITY ASSURANCE/QUALITY CONTROL SUMMARY
ANALYSIS OF HYDROCARBON CONTENT BY GAS CHROMATOGRAPHY
TOTAL PETROLEUM HYDROCARBONS - GASOLINE
GEOTEST CLIENT NAME:
GEOTEST PROJECT NO:
GEOTEST PROJECT NAME:
DATE ANALYZED:09/21/92
SAMPLE MATRIX:SOIL
GEORESEARCH
93400-08
UNOCAL #7048
ELAP Certification #1225
Analyses prep method:5030
Analyses method:DHS TPH-G
r..:u-..:.et::.....:=n'1,...":&.,,,,,.....,,,r.,,,,;;.::,,,,",,,..,,..un...t:ulU""""'"''.................._,.......,......"............"."r.....':o:..;a...........".."."..'IIIK.<nIu..m:...tlOUOl......'.....ItII MIUUUUUIU"'.If...nulm....."'...fNllm.."""u........'.._m......"..........I..._....'MtM.u ...""_"oMl...Uu......,~m"II"I.."I mIU
CONCENTRATION
(mg/kg)
DETECTION LIMIT
(mg/kg)
METHOD BLANK
NO
1.0
ACCURACY
%
ACCEPTABLE RANGE
%
LABORATORY CONTROL STANDARD
102
70 - 130
I
I
I
I ~ATRIX SPIKE DUPLICATE
I
I
I
I
RECOVERY
%
ACCEPTABLE RANGE
%
f'\ATRIX SPIKE
106
70 - 130
REPRODUCIBILITY
%
ACCEPTABLE RANGE
%
99
70 - 130
Keport Date:
4Ml7
/ P¡/J9 A 'L---
I /
Checked and Approved:
~~()Tt=C::T ¡co ~ .,-4''''c.''';''r'\ ,,4 ~c:ncco' ",....cC' ..... ,,_.:s__:_ ....----...:--
, :='= =.
IGEOTEST
An Environmental Monitoring
and Testing Service
I
I
I
I
I
I
I
I
I
I
I
I
I
I Checked and Approved:
I
I
Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (800) 624-5744
QUALITY ASSURANCE/QUALITY CONTROL SUMMARY
ANALYSIS OF HYDROCARBON CONTENT BY GAS CHROMATOGRAPHY
TOTAL PETROLEUM HYDROCARBONS - DIESEL
GEOTEST CLIENT NAME: GEORESEARCH
GEOtEST PROJECT NO: 93400-08
GEOTEST PROJECT NAME: UNOCAL #7048
DATE ANALYZED: 09/24/92
SAMPLE MATRIX: SOIL
CONCENTRATION
(mg/kg)
DETECTION LIMIT
(mgjkg)
METHOD BLANK
·ND
10
----~..-~m_"'"""'·----·--%""""'-,··----_,ë~~pTÄ13ï::·~-1rAÑG E
ACCURACY %
LABORATORY CONTROL STANDARD
105
70 - 130%
%
RECOVERY
ACCEPTABLE RANGE
%
MATRIX SPIKE
92
70 - 130%
%
REPRODUCIBILITY
ACCEPTABLE RANGE
%
MATRIX SPIKE DUPLICATE
101
70 - 130%
Report Date:
;#d#
, q ß</ßv
,
~ç:nTt=C:::T¡C' ~ rf.",or"''''''- ,,4 ~C:r\C'CO"fl'""~C" - 1"'-':4'_--:- ------&:--
IGEOTEST
An Environmental Monitoring
I and Testing Service
I
I
I
I -_..~------~_.""."."."""-"._......__.~."-_.""_..~-~.::.~-~.:"~-~~..;;.~~_..._-_._-_.__.__._._.~.~~~~-~:.~.~..-~:~._-"...."
(mg/kg) (mg/kg)
I METHOD BLANK
I
I LABORATORY CONTROL STANDARD
I
I MATRIX SPIKE
I
I MATRIX S¡:'!(E DUPLICATE
I
I
I
I
Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (BOO) 624-5744
QUALITY ASSURANCE/QUALITY CONTROL SUMMARY
ANALYSIS OF HYDROCARBON CONTENT BY GAS CHROMATOGRAPHY
TOTAL PETROLEUM HYDROCARBONS - GASOLINE
GEOTEST CLIENT NAME:
GEOTEST PROJECT NO:
GEOTEST PROJECT NAME:
DATE ANALYZED:09/21/92
SAMPLE MATRIX:SOIL
GEORESEARCH
93400-08
UNOCAL #7048
ELAP Certification #1655
Analyses prep method:5030
Analyses method:DHS TPH-G
NO
1.0
ACCURACY
%
ACCEPTABLE RANGE
%
87
70 - 130
RECOVERY
%
ACCEPTABLE RANGE
%
73
70 - 130
REPRODUCIBILITY
%
ACCEPTABLE RANGE
%
95
70 - 130
Report Date:
;;kØZ7
1" /l.3/Ç .t.-
/
Checked and Approved:
~t=nTC<:'T;C" ~ ,.c;"';....;__ _, ~cl""\C'cn\"""r-f""" - """_.~~--_-:- -------..~--
:~È&
IGEOTEST
An Environmental Monitoring
I and Testing Service
I
I
I
I
I
I ----- ~-.__.__.,__....____M~
I LABORATORY CONTROL STANDARD
I
I
I
I
I
I Checked and Approved:
I
I
Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (BOO) 624-5744
QUALITY ASSURANCE/QUALITY CONTROL SUMMARY
ANALYSIS OF HYDROCARBON CONTENT BY GAS CHROMATOGRAPHY
TOTAL PETROLEUM HYDROCARBONS - DIESEL
GEOTEST CLIENT NAME: GEORESEARCH
GEOTEST PROJECT NO: 93400-08
GEOTEST PROJECT NAME: UNOCAL #7048
DATE ANALYZED: 09/21/92
SAMPLE MATRIX: SOIL
CONCENTRATION
(mg/kg)
DETECTION LIMIT
(mg/kg)
METHOD BLANK
NO
5.0
---~
""'----rtInIU---."nMIIn..nR..,.~-më'c~'f>"TAITE'RÃ'N G E
ACCURACY
%
96
70 :..- 130%
%
RECOVERY
ACCEPTABLE RANGE
%
MATRIX SPIKE
100
70 - 130%
%
REPRODUCIBILITY
ACCEPTABLE RANGE
%
~ATRIX SPIKE DUPLICATE
106
70 - 130%
Report Date:
#/~
4 fi};?ß 1-
/ '
,...,-".........,..,...'T"~_ _.... .~.~_ _,______.#.___
:~=.
IGEOTEST
An Environmental Monitoring
I and Testing Service
Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (800) 624-5744
I
I GEOTEST CLIENT NAME: GEORESEARCH
GEOTEST PROJECT NO: 93400-08
GEOTEST PROJECT NAME: UNOCAL #7048
I DATE ANALYZED: 09/21/92
SAMPLE MATRIX: SOIL
I
I
I
I
I
I
I
I
I
I
I
I
QUALITY ASSURANCE/QUALITY CONTROL SUMMARY
ANALYSIS OF BTEX BY GC/PID
ELAP Certification #1655
Analyses prep method:5030
Analyses method:8020
METHOD BLANK
CONCENTRATION
(mg/kg)
DETECTION LIMIT
(mg/kg)
Benzene
Toluene
Ethylbenzene
Total Xylenes
NO
NO
NO
NO
%
ACCURACY
0.005
0.005
0.005
0.015
ACë:t;:f5TABLE RÃÑGE
%
LABORATORY CONTROL STANDARD
Benzene
Toluene
Ethylbenzene
Total Xylenes
97
95
96
96
70-130%
70-130%
70-130%
70-130%
%
RECOVERY
ACCEPTABLE RANGE
%
MATRIX SPIKE
Benzene
Toluene
Ethylbenzene
Total Xylenes
72
84
83
83
70-130%
70-130%
70-130%
70-130%
%
REPRODUCIBILITY
ACCEPTABLE RANGE
%
MATRIX SPIrE DUPLICATE
Benzene
Toluene
Ethylbenzene
Total Xylenes
93
92
91
90
70-130%
70-130%
70-130%
70-130%
Checked and Approved:
Report Date:
¥Jß \-
~1=f1Tt=.C::T ic::: 'Ø r4';"i~;l"'Ir"'I ,,4 ~t:("'\C'CO,,,r"CC" .... ,.,.....I~"_--:- .....----.........:.........
I
....
-...
-..
..
IGEOTEST
An Environmental Monitoring
I and Testing Service
I
I
I
I
I METHOD BLANK
I
I lABORATORY CONTROL STANDARD
I
I MATRIX SPIKE
I
I MATRIX SPIKE DUPLICATE
I Checked ðnd Approved:
I
I
I
Post Office Box 90911, Long Beach, California 90809-<>911 (310) 498-9515 (BOO) 624-5744
QUALITY ASSURANCE/QUALITY CONTROL SUMMARY
ANALYSIS OF HYDROCARBON CONTENT BY GAS CHROMATOGRAPHY
TOTAL PETROLEUM HYDROCARBONS - GASOLINE
GEOTEST CLIENT NAME:
GEOTEST PROJECT NO:
GEOTEST PROJECT NAME:
DATE ANALYZED:09/16/92
SAMPLE MATRIX:SOIL
GEORESEARCH
93400-08
UNOCAL #7048
ElAP Certification #1655
Analyses prep method:5030
Analyses method:DHS TPH-G
_··_-·-··-::-"::;::"":SII===-=I~&lurI lIIøunn:nr.uø~:=I=-~:U::=-·---C:Ø;us:nuee.I~'~
...:...~~UÞlmuN¡~r.q-=~A$U1IØ/1f'
CONCENTRATION
(mg/kg)
DETECTION LIMIT
(mg/kg)
NO
1.0
ACCURACY
%
ACCEPTABLE RANGE
%
95
70 - 130
RECOVERY
%
ACCEPTABLE RANGE
%
113
70 - 130
REPRODUCIBILITY
%
ACCEPTABLE RANGE
%
83
70 - 130
Report Date:
J!ØfY
P1fÍ- t/ /7~
, ,
r:.~nTt:<:'T;~ ~ A",......__ _, ~c'"'C"~n'''r''r<'' _ ,....._,:c__~_ -------..~--
:~
.......
~
--
-
-
IGEOTEST
An Environmental Monitoring
I and Testing Service
I
I
I
I
I METHOD BLANK
I
I LABORATORY CONTROL STANDARD
I
I/'IATRIX SPII<E
I
I MATRIX SPIKE DUPLICATE
I Checked and Approved:
I
I
I
Post Office Box 90911, Long Beach, California ~11 (310) 498-9515 (BOO) 624-5744
QUALITY ASSURANCE/QUALITY CONTROL SUMMARY
ANALYSIS OF HYDROCARBON CONTENT BY GAS CHROMATOGRAPHY
TOTAL PETROLEUM HYDROCARBONS - GASOLINE
GEOTEST CLIENT NAME:
GEOTEST PROJECT NO:
GEOTEST PROJECT NAME:
DATE ANALYZED:09/16/92
SAMPLE MATRIX:SOIL
GEORESEARCH
93400-08
UNOCAL #7048
ELAP Certification #1655
Analyses prep method:5030
Analyses method:DHS TPH-G
==--:;=:=::.-:-_~-==-.::::::u===::::-- _
- ---.-===-
_..-=======--~~n=fJ: =:mtmmt:c:t mmmnm
CONCENTRATION
(mgjkg)
DETECTION LIMIT
(mg/kg)
NO
1.0
ACCURACY
%
ACCEPTABLE RANGE
%
.
95
70 - 130
RECOVERY
%
ACCEPTABLE RANGE
%
113
70 - 130
REPRODUCIBILITY
%
ACCEPTABLE RANGE
%
83
70 - 130
Report Date:
:#4/
,
4/¿i ß{./
f /
. ~t=nTt=~T¡c ":) rt',,;,...;,.u", ,...4 ~CI""\Ccc),It""'CC'" _ ,,_.:s__:_ ------..:--
....
-..
-.
IGEOTEST
An Environmental Monitoring
I and Testing Service
I
I
I
I
I METHOD BLANK
I
I LABORATORY CONTROL STANDARD
I
I MATRIX SPIKE
I
I MATRIX SPIKE DUPLICATE
I Checked and Approved:
I
I
I
Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (BOO) 624-5744
QUALITY ASSURANCE/QUALITY CONTROL SUMMARY
ANALYSIS OF HYDROCARBON CONTENT BY GAS CHROMATOGRAPHY
TOTAL PETROLEUM HYDROCARBONS - GASOLINE
GEOTEST CLIENT NAME:
GEOTEST PROJECT NO:
GEOTEST PROJECT NAME:
DATE ANALYZED:09/18/92
SAMPLE MATRIX:SOIL
GEORESEARCH
93400-08
UNOCAL #7048
ELAP Certification #.1655
Analyses prep method:5030
Analyses method:DHS TPH-G
~:;a==~~"1I:u:$nJ: m:n:r
--#,;'~-====-~~_'M"__' __M_....øaucøøtuUSJu"'....WUQ~JUI~~I_ICDIMIUnnu.ncWJIIft'.u
CONCENTRATION
(mg/kg)
DETECTION LIMIT
(mg/kg)
NO
1.0
ACCURACY
%
ACCEPTABLE RANGE
%
91
70 - 130
RECOVERY
%
ACCEPTABLE RANGE
%
102
70 - 130
REPRODUCI8ILITY
%
ACCEPTABLE RANGE
%
89
70 - 130
Report Date:
J/f//¡t
q /ziAu
.
~1=nT1=.<::T i<:: ~ ñi"ic-f,...n "f ~cncco\"I"C~ "'" "",:,:_.-;"" -----+:--
-
I:2EOTEST
An Environmental Monitoring
I and Testing Service
I
I
I
I
I METHOD BLANK
I
I LABORATORY CONTROL STANDARD
I
I MATRIX SPIKE
I
Post Office Box 90911, Long Beach, California ~11 (310) 498-9515 (BOO) 624-5744
QUALITY ASSURANCE/QUALITY CONTROL SUMMARY
ANALYSIS OF HYDROCARBON CONTENT BY GAS CHROMATOGRAPHY
TOTAL PETROLEUM HYDROCARBONS - GASOLINE
GEOTEST CLIENT NAME:
GEOTEST PROJECT NO:
GEOTEST PROJECT NAME:
DATE ANALYZED:09/19/92
SAMPLE MATRIX:SOIL
GEORESEARCH
93400-08
UNOCAL #7048
E LAP Certification # .16 5 5
Analyses prep method:5030
Analyses method:DHS TPH-G
._:::uu:¡,,-m:==-"'-='~Nøn....:U'tfUIn~_W:A~.m<__tmn~~mmnn~I.....ft '-I'IIId:ftQ......_--........umultrlmfUmnU,,__""_rauun_lftq
CONCENTRATION
(mg/kg)
DETECTION LIMIT
(mg/kg)
NO
1.0
ACCURACY
%
ACCEPTABLE RANGE
%
114
70 - 130
RECOVERY
%
ACCEPTABLE RANGE
%
75
70 - 130
REPRODUCIBILITY
%
ACCEPTABLE RANGE
%
I MATRIX SPIrE DUPLICATE
100
70 - 130
I
I
I
Report Date:
jP;J1f
4fc.{/{ V
/
I Checked and Approved:
f'::.1=rtTt=<:Ttot'" <ø::t ,.4;,,;,..;_..... _4 ~c:r"\<'CO'''I"'"'~C'' - ""-_:4:__:- ------&:--
:~=.
I IGEOTEST
I An Environmental Monitoring
! I and Testing Service
Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (800) 624-5744
I
I GEOTEST CLIENT NAME:
GEOTEST PROJECT NO:
GEOTEST PROJECT NAME:
I DATE ANALYZED:09/21/92
SAMPLE MATRIX:SOIL
I
I
I
I
I
I
I
I
I
I
I
I
QUALITY ASSURANCE/QUALITY CONTROL SUMMARY
ANALYSIS OF HYDROCARBON CONTENT BY GAS CHROMATOGRAPHY
TOTAL PETROLEUM HYDROCARBONS - GASOLINE
GEORESEARCH
93400-08
UNOCAL #7048
ELAP Certification #1655
Analyses prep method:5030
Analyses method:DHS TPH-G
==--===---=--===----====-~IlI:::::u:nu:--==~_==__==__==:=;.-_=__=::,:=._=:=::::._n=:=__::r:::.~_=:::_..:Ia:t:::::'.::zmr.mr.:r..m:rt~ :m:IC=::c::a:mu:uømn::Jm.==.-..:r,¡,~ØUfmulf1~fml:tt:I.m r.-=n::aa¿:II:I~:~'1:1
CONCENTRATION
(mg/kg)
DETECTION LIMIT
(mg/kg)
METHOD BLANK
NO
1.0
ACCURACY
%
ACCEPTABLE RANGE
%
LABORATORY CONTROL STANDARD
114
70 - 130
RECOVERY
%
ACCEPTABLE RANGE
%
MATRIX SPIKE
98
70 - 130
REPRODUCIBILITY
%
ACCEPTABLE RANGE
%
MATRIX SPIKE DUPLICATE
81
70 - 130
#Æ7
Vi /u·lf /7 ~
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Checked and Approved:
Report Date:
, (:;FnTF<::T ¡c: '" <i¡\lõe>õ"" "f r-c::n~c::o",,..c::~ n "nt:~~_;~ ~~-~-.,~~
IGEOTEST
An Environmental Monitoring
I and Testing Service
Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (BOO) 624-5744
I
GEOTEST CLIENT NAME: GEORESEARCH
I GEOTEST PROJECT NO: 93400-08
GEOTEST PROJECT NAME: UNOCAL #7048
DATE ANALYZED: 09/16/92
I SAMPLE MATRIX: SOIL
QUALITY ASSURANCE/QUALITY CONTROL SUMMARY
ANALYSIS OF BTEX BY GC/PIO
ELAP Certification #1655
Analyses prep method:5030
Analyses method:8020
METHOD BLANK
CONCENTRATION
(mg/kg)
DETECTION LIMIT
(mg/kg)
I Benzene
Toluene
I Ethylbenzene
To ta 1 Xylenes
I LABORATORY CONTROL STANDARD
Benzene
I Toluene
Ethylbenzene
Total Xylenes
I
I MATRIX SPIKE
Benzene
Toluene
I Ethylbenzene
Total Xylenes
I
MATRIX SPIKE DUPLICATE
I Benzene
Toluene
Ethylbenzene
I Total Xylenes
Checked and Approved:
I Report Date:
I
NO
NO
NO
NO
%
ACCURACY
0.005
0.005
0.005
0.015
A~C~~rmB~GE
%
110
105
105
107
70-130%
70-130%
70-130%
70-130%
%
RECOVERY
ACCEPTABLE RANGE
%
86
85
86
88
70-130%
70-130%
70-130%
70-130%
%
REPRODUCIBILITY
ACCEPTABLE RANGE
%
93
95
94
94
70-130%
70-130%
70-130%
70-130%
~t=nTt=C:T;C' ~ A;UfC""""" ,..,f ~cn~CO"ft"'CC .,. ("".....1.-1_....-;.... ,..._.--,...~.:^-
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-
-
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IGEOTEST
An Environmental Monitoring
and Testing Service
I
Post Office Box 90911, long Beach, California 90809-0911 (310) 498-9515 (800) 624-5744
QUALITY ASSURANCE/QUALITY CONTROL SUMMARY'
ANALYSIS OF BTEX BY GCjPID
I
I
GEOTEST CLIENT NAME: GEORESEARCH
GEOTEST PROJECT NO: 93400-08
GEOTEST PROJECT NAME: UNOCAL #7048
DATE ANALYZED: 09/18/92
SAMPLE MATRIX: SOIL
ELAP Certification #1655
Analyses prep method:5030
Analyses method:8020
I
METHOD BLANK
CONCENTRATION
(mg/kg)
DETECTION LIMIT
(mg/kg)
I
I
-"....-,..--
NO
NO
NO
NO
%
ACCURACY
0.005
0.005
0.005
0.015
~··AéëU"TABLE ~ANGE
%
Benzene
Toluene
Ethylbenzene
Total Xylenes
I
I
LABORATORY CONTROL STANDARD
Benzene
Toluene
Ethylbenzene
Total Xylenes
91
88
90
91
70-130%
70-130%
70-130%
70-130%
I
%
RECOVERY
ACCEPTABLE RANGE
%
MATRIX SPIKE
I
I
I
Benzene
Toluene
Ethylbenzene
Total Xylenes
117
97
91
95
70-130%
70-130%
70-130%
70-130%
%
REPRODUCIBILITY
ACCEPTABLE RANGE
%
MATRIX SPIKE DUPLICATE
I
Benzene
Toluene
Ethylbenzene
Total Xylenes
82
83
85
83
70-130%
70-130%
70-130%
70-130%
I
I
I
Checked and Approved:
Report Date:
11-0' L
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An Environmental Monitoring
I aod T~ting Se""'"
Post Office Box 90911, Long Beach, California 90809-0011 (310) 498-9515 (BOO) 624-5744
QUALITY ASSURANCE/QUALITY CONTROL SUMMARY
ANALYSIS OF BTEX BY GC{PID
I
GEOTEST CLIENT NAME: GEORESEARCH
I GEOTEST PROJECT NO: 93400-08
GEOTEST PROJECT NAME: UNOCAL #7048
DATE ANALYZED: 09/19/92
SAMPLE MATRIX: SOIL
I METHOD BLANK
ELAP Certification #1655
Analyses prep method:5030
Analyses method:8020
CONCENTRATION
(mg/kg)
DETECTION LIMIT
(mg/kg)
I Benzene
Toluene
I Ethylbenzene
Total Xylenes
---...--
NO
NO
NO
NO
%
ACCURACY
0.005
0.005
0.005
0.015
A c'~ ~ 5"TA~~TI~-1rÃj, ' G E
%
I LABORATORY CONTROL STANDARD
I
Benzene
Toluene
Ethylbenzene
Total Xylenes
90
88
93
94
70-130%
70-130%
70-130%
70-130%
I
%
ACCEPTABLE RANGE
%
RECOVERY
MATRIX SPIKE
I Benzene
Toluene
I Ethylbenzene
Total Xylenes
118
104
110
104
70-130%
70-130%
70-130%
70-130%
I MATRIX SPI~E DUPLICATE
%
REPRODUCIBILITY
ACCEPTABLE RANGE
%
I Benzene
Toluene
Ethylbenzene
I Total Xylenes
Checked and Approved:
102
102
100
102
70-130%
70-130%
70-130%
70-130%
I
I
Report Date:
/}f0~
GEOTESTis a rlivic::inn nf r,~()~~P\llrc::~ .. ('..Iif"......'" ,..".....".....;,......
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IGEOTEST
An Environmental Monitoring
and Testing Service
I
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I METHOD BLANK
Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (BOO) 624-5744
QUALITY ASSURANCE/QUALITY CONTROL SUMMARY'
ANALYSIS OF BTEX BY GC/PID
GEOTEST CLIENT NAME: GEORESEARCH
GEOTEST PROJECT NO: 93400-08
GEOTEST PROJECT NAME: UNOCAl #7048
DATE ANALYZED: 09/21/92
SAMPLE MATRIX: SOIL
ElAP Certification #1655
Analyses prep method:5030
Analyses method:8020
CONCENTRATION
(mg/kg)
DETECTION lIMIT
(mg/kg)
I Benzene
Toluene
I Ethylbenzene
Total Xylenes
I
I
I
I
I
I
I
I
I
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~_.._--....---
NO 0.005
NO 0.005
NO 0.005
NO 0.015
t'·'···' -~Ë15·'f'ABCE 'rAÑG E.
ACCURACY %
lABORATORY CONTROL STANDARD
Benzene
Toluene
Ethylbenzene
Total Xylenes
90
88
93
94
70-130%
70-130%
70-130%
70-130%
%
RECOVERY
ACCEPTABLE RANGE
%
MATRIX SPIKE
Benzene
Toluene
Ethylbenz€:ne
Total Xylenes
101
102
100
100
70-130%
70-130%
70-130%
70-130%
%
REPRODUCIBILITY
ACCEPTABLE RANGE
%
MATRIX SPIKE DUPLICATE
Benzene
Toluene
Ethylbenzene
Total Xylenes
80
81
80
85
70-130%
70-130%
70-130%
70-130%
Checked ër.d Approved:
Report Date:
1/1/0 v
GEOTFST j!,> ;:J rlivic:i{'ln {'If r:;~n~~~vlrJ=~ " (""Iif"rni" ""rnn"""t;"n
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-
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IGEOTEST
An Environmental Monitoring
and Testing Service
Post Office Box 90911, Long Beach, California 90809~11 (310) 498-9515 (800) 624-5744
I
I
I GEOTEST CLIENT NAME: GEORESEARCH
GEOTEST PROJECT NO: 93400-08
I GEOTEST PROJECT NAME: UNOCAL #7048
DATE ANALYZED: 09/16/92
SAMPLE MATRIX: SOIL
I
I
I
I
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I
QUALITY ASSURANCE/QUALITY CONTROL SUMMARY
ANALYSIS OF TOTAL RECOVERABLE PETROLEUM HYDROCARBONS
EPA METHOD 418.1
ELAP certification #1655
Analyses method: 418.1
CONCENTRATION
(mgjkg)
DETECTION LIMIT
(mg/kg)
METHOD BLANK
NO
50
-----: _.~.:=.=--==..~~-:::umIr.IImm:::r.su¡.*!t:.,..~.....=--=-=~~_~C:;:¡fsz:utmnn:%~~~tnunmtunør.uul:TfI;trnn.,..r.Q",:nusuur.cr.J.n,unm_rr"nnm:tu:'m=::Aêc~"l5"rAê~CE==-..II:IRnA1\f G E
ACCURACY
%
LABORATORY CONTROL STANDARD
98
70 - 130%
%
RECOVERY
Ace I: f'5TA1IT't"'trli'N G E
%
MATRIX SPIKE
98
70 - 130%
ACCEPTABLE RANGE
%
REPRODUCIBILITY
%
~ATRIX SPIKE DUPLICATE
100
70 - 130%
F:E:port Date:
~t/
q;/L- 0 '--
Checked and Approved:
GEOTEST is a division of GEOSERVIGER ~ r~lifnmj~ r.nmnrntinn
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Post Office Box 90911, Long Beach, California 90809-0911 (310) 498-9515 (BOO) 624-5744
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QUALITY ASSURANCE/QUALITY CONTROL SUMMARY
ANALYSIS OF' HYDROCARBON CONTENT BY GAS CHROMATOGRAPHY
TOTAL PETROLEUM hYDROCARBONS - DIESEL
GEOTEST CLIENT NAME: GEORESEARCH
GEOTEST PROJECT NO: 93400-08
GEOTEST PROJECT NAME: UNOCAL #7048
DATE ANALYZED: 09/16/92
SAMPLE MATRIX: SOIL
CONCENTRATION
(mg/kg)
DETECTION LIMIT
(mg/kg)
METHOD BLANK
NO
5.0
:..c:::::==:--=:'::':=-'::~::'"~-=--==='~-==::"_-:::::¡::::I=I~::::::==r-==-==:;-_-.=;::-=-~.::"'.r.:r.:u:=I:rscn:I~%:a::~:~uun_c:l" "rcmuuau::ml.:n:':_II;.aIQInU"_:U:!"""'~·I.."r.II:tACcUf-ÃãT"'É"'"R" ÃwÑ G E
ACCURACY
%
LABORATORY CONTROL STANDARD
108
70 - 130%
%
RECOVERY
ACCEPTABLE RANGE
%
MATRIX SPIKE
122
70 - 130%
%
REPRODUCIBILITY
ACCEPTABLE RANGE
%
MATRIX SPIKE DUPLICATE
111
70 - 130%
Report· Date:
#4tY
tí/L-rßv
I ,/
Checked and Approved:
GEOTEST is a division of GEOSERVICES. a California corooration.
f'\PI01!\tI\I
Ig[QI€~r
and Testing Service
Post Office Box 90911. Long Beach. California 90809-0911 (310) 498-9515 (800) 624-5744
I
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QUALITY ASSURANCE/QUALITY CONTROL SUMMARY
ANALYSIS OF HYDROCARBON CONTENT BY GAS CHROMATOGRAPHY
TOTAL PETROLEUM HYDROCARBONS - DIESEL
GEOTEST CLIENT NAME: GEORESEARCH
GEOTEST PROJECT NO: 93400-08
GEOTEST PROJECT NAME: UNOCAL #7048
DATE ANALYZED: 09/18/92
SAMPLE MATRIX: SOIL
CONCENTRATION
(mg/kg)
DETECTION LIMIT
(mg/kg)
METHOD BLANK
NO
5.0
_--=-..:.-.r~";:mr.':I=:-~=~::o&.'T:tr4tIl"" " II u..n.'lm,.,,,,,,",=,,,,",........,.......n.""~~=:.;r.-...=::,..11'''IU:un:",tftI:t:-'':,'",%,U:aI\MIlUnllnau:u.uu:1I.rn:lIQUlttUCUØIUUU'1'I1IIUUllnmlllftQ""'mlll""I"..tr.Q"~"'A"ë 'CmËIlj5..11.TAIUBl Ëuum·R·Ãn Ñ' G E
ACCURACY
%
LABORATORY CONTROL STANDARD
101
70 - 130%
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RECOVERY
ACCEPTABLE RANGE
%
MATRIX SPIKE
122
70 - 130%
%
REPRODUCIBILITY
ACCEPTABLE RANGE
%
~ATRIX SPIKE DUPLICATE
88
70 - 130%
Report Date:
:JÍJ?1//
4/f,v{ßL
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Checked and Approved:
GEOTEST is a division of GEOSERVICES. a California corporation.
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CHAIN-OF-CUSTODY DOCUMENTS
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