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Home My WebLink AboutUST-REPORT 8/10/1992I I I I I I I I I I I I I I I I _.__Earth .___Systems__ _.__Envir°nmental' Inc. A Member of The Earth Systems Group I I I I I I I I I I I I I I I I I I I PRELIMINARY SITE CHARACTERIZATION -BAKERSFIELD COLLEGE UNDERGROUND STORAGE TANK SITE SOIL CHARACTERIZATION 1801- PANORAMA DRIVE BAKERSFIELD, CALIFORNIA August 10, 1992 Prepared by Earth Systems Environmental, Inc. 6501 McDivitt Drive, Suite B Bakersfield, California (805) 836-0901 FAX (805) 836-0911 Project No. EB-8191-2 ll I I I I I I I I I I I I I I I I I I I TABLE OF CONTENTS PRELIMINARY SITE CHARACTERIZATION BAKERSFIELD COI .l FGE 1801 PANORAMA DRIVE BAKERSFIELD, CALIFORNIA 1.0 INTRODUCTION ...................................................................................................... 1 1.1 Site Description .......................................................................................... 3 1.2 Background ......................................................................................... ~ ...... 3 2.0 METHODS OF INVESTIGATION .............................................................................. 5 2.1 Excavating and Soil Sampling ................................................................. 5 2.2 Laboratory Analysis..: .............................................................................. 6 3.0 FINDINGS ............................................................................................................... 7 3.1 Geologic Conditions. .................................................................................. 7 3.2 Subsurface Conditions ............................................................................... 8 3.3 Soil Vapor Monitoring ................ ~ ............................................................. 8 3.4 Laboratory Analytical 'Results ................................................................ 8 4.0 CONCLUSIONS ......................................................................................................... 10 5.0 CLOSURE ................................................................................................................. 11 REFERENCES ............................................................................................ 12 Figure 1 Figure 2 Vicinity -Map ............................................................................... 13 Site Map ................ : ....................................................................... 14 APPENDIX A Laboratory -Reports and Chain,of-Custody I I I I I I I I I I I I I I I ! I I I Earth Systems Environmental, Inc. A Member of The Earth Systems Group 6701 M~Divitt Drive, Suite B · Bakersfield, CA 93313 · (805)836-0901 · FAX (805)836-0911 August 10, 1992 · City of Bakersfield Fire Department Hazardous Materials Division 2101 H Street Bakersfield,i' California 93301 At.t.ention: Mr. Joe A. Dunwoody SUBJECT: PRELIMINARY SITE CHARACTERIZATION BAKERSFIELD COl I.EGE 1801 PANORAMA DRIVE BAKERSFIELD, CALIFORNIA Project No~: EB-8191-2 Doe. No.:9208-EOlS.RPT Reference: Reference: Soil Characterization Work Plan; Bakersfield College, (ESE, June 19, 1992) Tank Closure Report, Bakersfield College, (ESE, May 21, 1992) 1.0 INTRODUCTION This report presents the results' of a preliminary site characterization performed by Earth Systems Environmental, Inc. (ESE) at the above referenced site. The '.purpose of the characterization was to assess the v. ertical and lateral extent of soil impacted by gasoli.ne hydrocarbons assoc'iated with a release from the former 3,000 gallon underground gasoline storage tank, fuel dispenser, and associated product pipeline removed under City .of Bakersfield permit from the above referenced facility.. TOtal Purgeable Petroleum Hydrocarbons as gasoline (TPPHg) and the' gasoline constituent volatile aromatics were not .detected at or above the'detection limit in the. sample TH-1. analyzed from beneath the former underground storage tank. However,. TPPHg were detected at concentrations of 21 mg/kg, and 4,000 mg,kg from the samples TH-2 and TH-3. TH-2 was positioned beneath the product pipeline on the side of the tank excavation pit at a depth of 6 feet, where there was a visual indication questioning the integrity of the tank. 'TH-3 was positioned beneath the product pipeline run. TPPHg was detected at concentrations of 1,000 mg/kg in sample TH-4 from beneath the former' dispenser. Volatile aromatic compounds were detected in minor I I Bakersfield College 2 August 10, 1992 I I I I I I I I I I I I I I I I I concentrations in samples TH-2 and TH-3, but were detected .in significant concentrations in TH-4 with benzene detected at 2 mg/kg. These concentrations are in excess of Regional Water .Quality .Control Board (RWQCB)guidelines-for gasoline hydrocarbons in the soil, and resulted in the Lead Implementing Agency (LIA) ~which is the City of Bakersfield F:ire Department, Hazardous Materials Division . r. equesting an. 'initial site, characterization. ESE subsequently conducted a preliminary site characterization on July 1, 1992 consisting of a single excavation trench and laboratory analysis of six soil samples to assess the vertical and lateral extent of' gasoline impacted soil in the vicinity of the former gasoline product pipeline, and dispenser. All methods employed were in compliance with regulations and guidelines set forth in California 'Code of Regulations (CCR) Title 22, Article 11, and Title 23, Chapter 3, California Site Mitigation Decision, Tree Manual, the Code of Federal Regulations (CFR) Title 29, Part 19.10, Section 120, CFR Title 40, Parts 300-399, Tri-Regi°nal Board Staff Recommendations for Preliminary Evaluation and Investigation of Underground Tank Sites, Kern County, and City of Bakersfield regulations, as well as accepted professional environmental/geotechnieal engineering procedures. The scope of work for this prOject was developed in conjunction with Mr. Tom Lockwood of Franzen Hill Corporation representing Bakersfield College and Mr. Joe Dunwoody of the City of Bakersfield Fke Department, Hazardous Materials Division. In addition, remedial action alternatives are presented. Work performed to date includes the following: Development of site health and safety, and technical work plans. Digging 'and sampling of one exploratory .excavation trench to a maximum depth of 12 feet below surface grade. Laboratory analysis of six selected soil samples for Total Purgeable Petroleum Hydrocarbons as gasoline, and the gasoline constituent volatile aromatic s. Preparation of this report presenting our results, conclusions, and remedial action alternatives for the site. EB-819'1~2 9208-EOl$.RPT I I Bakersfield College 3 August 10, 1992 I I I I I I I I I I I I I I I I I 1.1 Site Description The site is located at 1801 Panorama Drive in the city of Bakersfield in. Kern COunty, California .(Figure 1). A 3,000 gallon underground gasoline storage tank,, fuel dispenser, and associated product pipeline were removed on May 1, 1992 (Figure 2). The .underground storage tank was operated to fuel Bakersfield College's maintenance department vehicles. 1.2 Background Bakersfield College contracted with Franzen Hill of Tulare, California to remove the. underground fuel storage tank, dispenser, and associated product pipeline at the site. On May 1, 1992, Franzen Hill removed the tank, dispenser, and associated product pipeline. The tank was removed under permit with the City of Bakersfield Fire Department, Hazardous Materials Division. Franzen Hill contracted with Earth Systems Environmental to provide an environmental technician to collect soil samples at the direction of Mr'. Joe Dunwoody with the City of Bakersfield .Fire Department, Hazardous Materials Division. One soil sample (TH-l) was collected from beneath-the center of the 'the former tank 'location at a depth of 11 feet below surface grade (Figure 2). Two soil samples (TH-2, and TH-3) were collected from beneath the former product pipeline at a depth of 6 and 4 -feet-below sUrface grade,-respectively. One soil sample (TH-4) was Collected 'from beneath the former dispenser at a depth of 4 feet below surface grade. The samples were co'llected from the backhoe bucket immediately after soil excavation and stored in 2" brass tubes, sealed with teflonTM liners and end caps. The samples were then labeled, handled and transported according to the United States Environmental Protection Agency (USEPA) protocol to a State of California Department of Health Services (DOHS) certified laboratory. Sample identification and chain-of-custody procedures were utilized for the samples to ensure sample integrity and to document sample possession from the time of collection to its ultimate EB-8191-2 9208-E018.RPT I I Bakersfield College 4 August 10, 1992 I I I I I I I I I I I I I I I I i destination. The sample label .identified the job number, samPler, date and. time of collection and sample number unique to. the sample. All sampling: equipment was washed with TSPTM (tri-sodium phosphate): cleanser, pre-r-insed with tap water .and a final' rinse of de-ionized water prior to sampling. The soil samples designated for chemical analysis were submitted to B C Laboratories in Bakersfield, a State of California Department of Health Services (DOHS) certified laboratory. Appendix A presents copies of the analytical .results and chain-of- custody documents. The soil samples, were analyzed for Total. Purgeable Petroleum Hydrocarbons as gasoline '(TPPHg) using the California DOHS .LUFT Method, and for the gasoline constituent volatile aromatics, benzene, toluene, ethylbenzene, and total xylenes (BTEX) using USEPA Test Method 8020. Total Purgeable Petroleum Hydrocarbons as gasoline and the gasoline constituent volatile aromatics were not detected at or above the detection limit in the sample TH-1 analyzed from beneath the former underground storage tank. However,. TPPH as gasoline were detected .at concentrations of 21 mg/kg, and 4,000 mg,kg from ~the samples TH-2 and TH-3. TH-2 was positioned beneath the product pipeline on the side of the excavation at a depth of 6 feet, where there was a visual indication questioning the integrity of the tank. TH-3 was positioned beneath the product pipeline run. TPPH as gasoline was detected at concentrations of 1,000 mg/kg in sample TH-4 from beneath the former dispenser. Volatile aromatic compounds were detected in minor concentrations in samples TH-2 and TH-3, -but were detected in significant concentrations in TH-4 with benzene detected at 2 mg/kg. Table I presents a summary of the analytical results for TPPH as gasoline, and the gasoline constituent volatile aromatics in the four soil samples: EB-8191-2 9208-E018.RPT 1 I Bakersfield College August 10, 1992 I I l I I I I I I I I I I I I I I TABLE 1. Analytical .Results .expressed in milligrams per kilogram. Sample No. [ ] TPPH ~ Gasoline TH-1 I 11' ,,',1 ND .,TH-3 l., .4' . ..[ 4,000'. TH-4 4' 1 r000 'AL NA' 1,000 Depth: benzene ,Xylenes ND ND ND 0.07 ND 10' · 2* 36* 1.0 , 1.0 0.07 [ · 1.76 50 50 ND: None Detected at :or above minimum reporting level. NA: Not Applicable *: exceeds current recommended guidelines. A L: Regional Water Quality Control Board Action Level for. contaminants in soil. Action Levels were calculated using the LUFT methodology by multiplying the most stringent Current federal or state water quality standards by a factor of 1,000 to account for attenuation due to soil composition and distance from groundwater. Based on the soil sampling and analysis, detectable concentrations-of TPPH as gasoline and .the gasoline constituent volatile aromatics were not present in the soil samples collected from beneath the former underground gasoline storage tank. ;~Wewr~ :gasoline- hydrocarbons were detected' in .the soil samples from bei~eath the l ~prodUct pipeline.. _:and---dispenser._ at concentrations which exceed, current -RwQC~5 \recommended-guidelineS. Additional .Site eharacterization-was~'~requi~ffd:";by -the .City of BPk-~fgfiel.d:-Fire:-DepartmentV Hazardous="-Mate~fats__DiVisi°n- _ .in ~e_ :vicinity-of' the- ~f~rm'~r---~ga~oliii~-dispenser and piPeline.' 2 .~0 METHODS OF INVESTIGATION 2.1 Excavation and. Soil SamPling Prior to commencing field operations, a technical work' plan was reviewed and apprOved by City of Bakersfield .Fire Department, Hazardous Materials Division personnel. Underground Service Alert was notified 48 hours in advance of the site activities. Excavation commenced on July 1, 1-992 using a backhoe operated by Franzen Hill Corporation. Excavating proceeded to a length-and width of 15 feet centered .on the product pipeline, and to a depth of 12 feet below surface grade (Figure 2). EB-8191-2 9208-E018.RPT I Bakersfield College 6 August 10, 1992 I i I I I I I I I I I I I I I I I Soil samples were cOllected at 5-foot intervals in .during excavation to provide a vertical profile of the gasoline hydrocarbons. Soil samples were also collected' at a depth of 12 .feet :from the south, west and north sidewalls as vcell as the center of the excavation base. No sample was collected from the eastern sidewall since a sample had been collected there during the tank removal operations. The samples were collected from the backhoe bucket immediately after soil excavation and stored in 2" brass tubes, sealed with-tefl°nTM liners and end caps. The samples were then labeled, handled and transported according to the United States Environmental Protection Agency (USEPA) protocol to a State of California Department of Health Services .(DOHS) certified laboratory. Sample identification .and chain-of-custody procedures were utilized for the samples to ensure sample integrity and to document sample possession from the time of collection to its ultimate destination. The sample label identified the job number, sampler, date and time of collection and sample number unique to the sample. All sampling equipment was' washed with 'TSPTM (tri-sodium phosphate) cleanser, pre-rinsed with tap water and a final rinse of de-ionized water prior to sampling.. During excavation, soil samples were collected from the base and sidewalls, of the excavation pit, and will be screened .for total organic vapors with a portable photOionization detector (PID). Headspace vapor analysis was performed by filling a .mason jar to 50% capacity to produce, a head space allowing volatilization for a period of 15 minutes, and protruding the probe of the PID through the cap and into the .headspace for analysis. The PID .readings were recorded on the daily log. An environmental technician was on site to log the excavation trench, monitor soils during excavation for conta.mina.tion, .and collect soil samples. 2.2 Laboratory Analysis.. Six soil samples were sent to B.C. Laboratories, of Bakersfield, California, a state- certified laboratory for chemical analysis. The soil-samples were analyzed for total purgeable petroleum hydrocarbons as gasoline (TPPHg)with a minimum detection limit of 5.0 rog/kg,, and the gasoline constituent volatile aromatics benzene, .toluene, ethylbenzene, and total xylenes (BTEX) with a minimum detection limit of 0:5 rog/kg using USEPA Test Method 5030/GCFID, and USEPA Test Method 5030/8020. EB-819.1-2 9208-E018.RPT I I Bakersfield College 7 August 10, 1992 I i I I ! I i i I I I I I I I I I 3.0 -RESULTs OF ENVIRONMENTAL ASSESSMENT 3.1 Geologic Conditions Regional Geology: The site is located in the southern part of the Great Valley · geomorphic prowince. The. Great Valley is a north-south trending valley, approximately 400 miles long by 50 miles wide. Surface and groundwater in the San Joaquin Valley is derived predominantly from the Sierra Nevada mountain 'range to the east,, and is transported by five major rivers, the southern most being the Kern River. The subject .site is' located' approximately .1/2 miles south of the Kern River. The surface of the San Joaquin Valley is composed primarily of unconsolidated Pleistocene (1.6 million to 11,000 years ago) and Recent (1.1,000 years ago to the present) alluvial sediments. Beneath the alluvial sediments are older, predominantly lake bed deposits. These lie unconformably .on Mio-Pliocene marine sediments which extend to crystalline basement at approximately 20,000 feet. Site Geology: Geologic deposits in the study area include Pleistocene .alluvial sediments of the Kern River Formation, which form a homoeline dipping to the southwest. The deposits are alluvium consisting of poorly .indurated and dissected fan deposits (CDMG, 1964). The subject property is located at the. top of the Panorama Bluffs 'at ~a .n elevation .400 feet above the sOuth side of the Kern River. The depth to the regional unconfined aquifer is greater than 400 feet below surface grade beneath the site with the direction of groundwater flow to the southwest (Kern County Water Agency, Improvement District No. 4, 1991 Report on Water Conditions, February, .1992). The nearest known occurrence of perched groundwater is five miles to the southwest at a depth of 20 feet in the abandoned Kern River channel to the ancient Kern Lake 'Bed .(Kern County Water Agency, 1991 Water Supply Report, May 1992). No-perched groundwater is known to exist beneath the subject site. EB-8191-2 9208-E018.RPT I I Bakersfield College 8 August 1~0, 1992 I i I I ! I I ! ! I I I I i I i I 3.2 Subsurface Conditions Subsurface material encountered during drilling was alluvium to the tOtal depth of .the trench. The .alluvium was characterized by consolidated, highly permeable~ very slightly moist, light brown, well graded gravelly sand (SW/GW)with numerous-large cobbles to ':boulders. 3.3 Soil Vapor .Monitoring Soil samples collected during drilling were monitored with a photo-ionization detector (PI.D) to evaluate organic vapor Concentrations. The PID was calibrated with an isobutylene standard of t00 parts per million (ppm) and contained an 11.8 electron volt (eV) lamp, capable of detecting benzene (9.25 eV). Soil vapor concentrations were detected in each. of the samples field screened from the 'trench as well as the sidewalls at concentrations greater than 2000 parts per million (ppm). These field readings are collaborated by the analytical results presented below. 3.5 Laboratory Analytical Results All six of the soil samples analyzed contained concentrations of total purgeable petroleum hydrocarbons as gasoline (TPPHg) in excess of 1,000 rog/kg. TPPHg was detected in the trench at a concentration of 1,800 mg/kg at a depth of 5 feet, 3,200 mg/kg at .10 feet and 1,800 mg/kg at 12 feet as well as 1,700 rog/kg in the western sidewall, 3,200 rog/kg in the southern sidewall and 1,900 mg/kg'in the northern sidewall. The gasoline constituent volatile aromatic, benzene was detected in three of the six soil samPles. Benzene was not detected in the samples from the center of the trench at 5 and I0 feet or the southern sidewall at 12 feet. Benzene was detected in the western sidewall at 0.7 rog/kg, in the northern sidewall at 0.8 mg/kg, and' in the trench base at 0.6 rog/kg. The gasoline constituent volatile arOmatics, toluene, ethylbenzene, and total xylenes were detected in all six of the soil samples. Regional Water Quality Control Board recommended guidelines for gasoline, and the gasoline constituent volatile aromatics, benzene, toluene, ethylbenzene, and total xylenes have been calculated using the LUFT methodology by multiplying the most EB-8191-2 9208-E018.RPT Bakersfield COllege 9 August 10, 1992 ! ! ] ] ! ! ] ] ] ] I! I ! stringent current .federal ..or state water quality standards by a factor of 1,000 to account for attenuation, due to site-specific parameters including vertical.-separati6n to groundwater, soil lithology, fractures in subsurfaces, annual -average precipitation, and any direct conduits to groundwater. The recommended guidelines are 1,000 rog/kg for TPPH as gasoline, 1.0 mg/kg for benzene and toluene, and 50 mg/kg for ethylbenzene and total xylenes. Laboratory analytical results .for the six selected soil samples from the excavation trench are summarized in Table 3 - Summary of Analytical Results. Copies of the analytical ~reports and .chain of custody documentation are .presented in Appendix sl~'~ Laboratory Analytical Results. TABLE-3 SUMMARY OF .LABORATORY ANALYTICAL DATA (values in milligrams per kilogram) [ [ [ ~....TH'I" 5' 1,800' ND 36* . 34 320* ' TH-1 10' 3~200' ND 13' . 29 360* South .Sidewall ,1,2' ltl00* ND 17' 18 300* 0.7 10. 16 360* West Sidewall 12' 3z200' North Sidewall 12'- 1,900' .0.8 7.9,* . . . 45 430* Base 12" liS00* - 0.6 13' 15 280* AL ,NA 1,000 , ,, 1.0 ,, 1.0 . , 50 ,50 ,, MRL NA 1.0 0.5 0.5 0.5 0.5 ND: None Deteete~l at or above minimum reporting level (MRL). NA: Not Applicable. *: exceeds current recommended guidelines. A L: Regional Water Quality Control Board recommended guidelines for concentrations in soil'. Recommended guidelines were calculated using the LUFT methodology by multiplying the most stringent current federal or state water quality standards by a factor of 1,000 to account for attenuation due to soil composition and distance from groundwater. EB-8191-2 9208-E018.RPT ! I i I ! i i I I I I i I I I I I Bakersfield College 10 August 10, 1992 4.0 CONCLUSIONS The data obtained from the tank removal operations suggest that soil. impacted with gasoline hy~drocarbons at concentrations in excess RWQCB recommended guidelines exist at the subject site in an area beneath the former location of the gasoline -dispenser and product pipeline. The subsequent soil excavating activities indicate that ~gasoline -hY~d~oearb~o~ in -excess -~f 1.,000' mg/kg-extend tO. a depth--great~~ ~than - ~.-12 'feet below surface~ :grad~e. -Based on the field information and analytical data, 'it appears that additional site characterization, and remedial activities will be required by the City of Bakersfield Fire Department, Hazardous Materials Division. The additional site investigation should consist of soil-borings to assess both the vertical and .lateral .extent of the gasoline hydrocarbons in the subsurface. Because-of the large boulders known to be .present in this area, drilling is often difficUlt if not iinpossible with a conventional hollow stem auger rotary drill rig. The size of the boulders also renders a reverse air rotary drill rig ineffective. A mud rotary drill rig will ,have the capability to penetrate the soils .in this area, however ,many regulatory agencies are adverse to the use of drilling fluids through contaminated soil. Mud rotary rigs can be equiped with a Christensen 64 mm sampling devise to obtain valid samples from the soil in from of the drill bit. The drilling fluid will be required to be contained and tested to determine if' it is as a hazardous material. The most acceptable environmental drilling method for sediments with large boulders is a dual walled percussion hammer drill rig. This .type of rig will have no difficulty drilling through the sediments in this area, and does so without the addition of liquids. Therefore, no liquids are generated which may require disposal. HoWever, the cost for a norma'l assessment using a hollow stem auger is approximately $5,000. That will cover just the cost to mobilize and demobilize a hammer drill rig to a site in Bakersfield. The cost to drill .the assessment' holes, can easily be another $15,000 to $25,000. ESE recommends that the .City of Bakersfield Fire Department, Hazardous Materials Division consider permitting the use of a mud rotary .drill rig to conduct the next ~hase of assessment. EB -81.9.1-2 9208-E018.RPT Bakersfield College 1 1 August 10, 1992 ' O $ .~0 CLOSURE This report has been prepared for the exclusive use of Bakersfield College as it pertains to the location of the former 3,000 gallon gasoline tank at 1801 Pamorama Drive in Bakersfield, California. The results contained in each verbal or written report are based upon the information-acquired during the assessment. It is possible that variations could exist beyond points explored during the course of the investigation. Also, changes in .conditiOns found could occur at some time in the future due to contaminant migration, variations in rainfall, temperature, and/or other factors not apparent at the time of the field investigation. This report should not be regarded as a guarantee that n° further contamination, beyond that which may have been detected within the scope of this study, is present on or beneath the site. If additional information regarding the possible presence or past use of hazardous materials at the site becomes available, .then the need for further field investigation should be re-evaluated. Similarly, if suspected contaminatiOn is 'encountered during earthwork ~ .or construction activities, a qualified engineer .or geologist should be on-site to monitor the soils and collect samples for laboratory analysis. The serVices performed by ESE were conducted in a manner consistent with the level of care and skill, ordinarily exercised by members of our profession currently practicing under similar conditions in the state of California. No other warranty is expressed .or implied. Thank you for this opportunity to be of service. If you have any questions regarding this report or the information contained herein, please contact this office at your convenience. EARTH sYSTEMS ENVIRONMENTAL, INC. Tim -Martin - / ' Mark R. Magargee, tt[.-G.'r~892 Environmental Specialist Senior Geologist cc: 1 - Addressee 2 - Tom Lockwood - Franzen Hill 1 - Bakersfield File 1- San Luis Ob ispo File I I Bakersfield College. 12 August 10, 1992 I I I I I I I I I I I I I I I I I 'REFERENCES California Division of Mines and Geology, 1964, Geologic Map of California, Bakersfield Sheet. Kern County Water Agency, 1991, Report on Water Conditions-improvement District No. 4, February 1992. Kern County Water Agency, 1991, Water Supply Report, May, 1992'. Tri-Regional Board Staff Recommendations for Preliminary Evaluation and Investigation of Underground Tank Sites California Water Resources Control Board, 1989, LUFT Manual Guidance Document. California Water Quality Control Board-Central Valley Region, Compilation of Water Quality Goals, September, 1991. EB-8191-2 9208-E018.RPT · ~~ ~( ~~.~~ msromc~ .,. ~],.' - ~,~..._.,.~,,~~.,~,~,,,.~~. .~~~,,; ~,"~ : ~,,,,,,0,,, ~ .u', ~,.,. ~ , ~ ~ ~ ~ ~~.. ~ ...= ,.,.., . ~ , . ~ NOBLF WASHING I'DN ' ~ ~"~- ' - ~ T C,~w;o, ds~ I ~l .. ~~ ~ COLUMBUS SSO0 e Water SI .... [ ~-- I ~ ItEIGHTS~ ~V ~ -5----~- Jefhev ~ ~ ~ - ~~ I ~ ~ ~ ~~ ~ Road ~ ~ m :_ ~~:~ ~ , , .,.. . Eadh systems TITLE Figure A Mem~r of The EaCh Syste~ Group 6701 McDivitt Drive, Suite S /~/ Bakersfield, CA 93313 (805) 836-~01 JOB N0. . , I ~TO~O~i ~ EaCh Systems TITLE Figure E qvironmental, Inc. A Mem~r of T~ Ea~ S~e~ Gr~ 6701 McDi~ Drive. Suite B ~kersfield. CA 93313 (805) 836-~01 JOB N0. I I I I I I I I I I I I I I I I I I I APPENDIX A Laboratory Repor.ts and Chain-of-Custody I I I ! I I I I I I I I I I I I I I I 167 West Poplar Avenue, Porterville, CA 93257-5395 · (209) 784-0800 BECF, r~{A~ July 13, 1992 Mr. Tim Martin Earth Systems Environmental, Inc. 6701 McDivitt Drive, Suite B Bakersfield, CA 93313 Re: Analysis Results Dear Mr. Martin: Enclosed is the laboratory sample analysis result package for the following samples: Lab Number Project Number Project Name Date Received 01909-01/06 EB-8191-2 Bakersfield College 07-02-92 If you have any questions, please give me a call. Sincerely, Michael B. Cotton Environmental Laboratory Operations Supervisor MBC:Ik enc. Beckman Instruments. Inc. Environmental laboratory '1 I I 167 West Poplar Avenue, Porlerville, CA 93257-5395 · (209) 784-0800 BECI'~I~AN I I ANALYTICAL RESULTS CLIENT : EARTH SYSTEMS ENVIRONMENTAL, INC. CLIENT CONTACT: TIM MARTIN PROJECT # : EB-8191-2 PROJECT NAME : BAKERSFIELD COLLEGE LAB ID NUMBER : 01909-01 DATE SAMPLED : 07/01/92 TIME SAMPLED : 10:24 DATE RECEIVED : 07/02/92 DATE ANALYZED : 07/06/92 DILUTION FACTOR : 1000 SAMPLE ID : TH-1 @ 5' SAMPLE TYPE : SOIL COMPOUNDS RESULTS mg/Kg DLR mg/Kg I I i I I I I i I I I I I I BENZENE ND 5.0000 ETHYLBENZENE 34.0 5.0000 TOLUENE 36.0 5.0000 TOTAL XYLENE 320.0 15.0000 TPH GAS 1800 500.0000 ND = Not Detected DLR= DETECTION LIMIT FOR REPORTING METHOD OF ANALYSIS: BTXE/TPH GAS (GCFID) mg/Kg = Milligrams/Kilogram (ppm) Beckman Instruments, Inc. Environmental Laboratory LAB SUPERVISOR I I I i I 167 West Poplar Avenue, Porterville, CA 93257-5395 · (209) 784.0800 BECK~Ar~ ANALYTICAL RESULTS CLIENT : EARTH SYSTEMS ENVIRONMENTAL, INC. CLIENT CONTACT: TIM MARTIN PROJECT # : EB-8191-2 PROJECT NAME' : BAKERSFIELD COLLEGE SAMPLE ID : TH-1 @ 10' LAB ID NUMBER : 01909-02 DATE SAMPLED : 07/01/92 TIME SAMPLED : 11:10 DATE RECEIVED : 07/02/92 DATE ANALYZED : 07/02/92 DILUTION FACTOR : 100 SAMPLE TYPE : SOIL COMPOUNDS RESULTS mg/Kg DLR mg/Kg I I I I I I I ! i I I I I I BENZENE ND 0.5000 ETHYLBENZENE 29.0 0.5000 TOLUENE 13.0 0.5000 TOTAL XYLENE 360.0 1.5000 TPH GAS 3200 50.0000 ND = Not Detected DLR= DETECTION LIMIT FOR REPORTING METHOD OF ANALYSIS: BTXE/TPH GAS (GCFID) mg/Kg = Milligram/Kilogram (ppm) Beckman Instruments, Inc: Environmental Laboratory LAB SUPERVISOR '1 I I 167 West Poplar Avenue. Porterville, CA 93257-5395 · (209) 784-0800 BECK~AN I I ANALYTICAL RESULTS CLIENT : EARTH SYSTEMS ENVIRONMENTAL, INC. CLIENT CONTACT: TIM MARTIN PROJECT # : EB-8191-2 PROJECT NAME : BAKERSFIELD COLLEGE LAB ID NUMBER : 01909-03 DATE SAMPLED : 07/01/92 TIME SAMPLED : 11:30 DATE RECEIVED : 07/02/92 DATE ANALYZED : 07/02/92 DILUTION FACTOR : 100 SAMPLE ID : W. SIDEWALL SAMPLE TYPE : SOIL COMPOUNDS RESULTS mg/Kg DLR mg/Kg I I I I I I I I I I I I I I BENZENE ND 0.5000 ETHYLBENZENE 18.0 0.5000 TOLUENE 17.0 0.5000 TOTAL XYLENE. 300.0 1.5000 TPH GAS 1700 50.0000 ND = Not Detected DLR= DETECTION LIMIT FOR REPORTING METHOD OF ANALYSIS: BTXE/TPH GAS (GCFID) mg/Kg = Milligram/Kilogram (ppm) Beckman Instruments. Inc. Environmental Laboratory LAB SUPERVISOR -I I I I I 167 West Poplar Avenue, Porterville, CA 93257-5395 · (209) 784-0800 BECK~Ar~ ANALYTICAL RESULTS CLIENT : EARTH SYSTEMS ENVIRONMENTAL, INC. CLIENT CONTACT: TIM MARTIN PROJECT # : EB-8191-2 PROJECT NAME : BAKERSFIELD COLLEGE LAB ID NUMBER : 01909-04 DATE SAMPLED : 07/01/92 TIME SAMPLED : 11:35 DATE RECEIVED : 07/02/92 DATE ANALYZED : 07/02/92 DILUTION FACTOR : 100 SAMPLE ID : S. SIDEWALL SAMPLE TYPE : SOIL COMPOUNDS RESULTS mg/Kg DLR mg/Kg I I I I I I I I I ! I I I ! BENZENE 0.7 0.5000 ETHYLBENZENE 16.0 0.5000 TOLUENE 10.0 0.5000 TOTAL XYLENE 360.0 1.5000 TPH GAS 3200 50.0000 ND = Not Detected DLR= DETECTION LIMIT FOR REPORTING METHOD OF ANALYSIS: BTXE/TPH GAS (GCFID) mg/Kg = Milligram/Kilogram (ppm) Beckman Instruments, Inc. Environmental Laboratory LAB SUPERVISOR -I I I I ! 167 West Poplar Avenue. Por~erville, CA 93257-5395 · (209) 784-0800 BECKB~AN ANALYTICAL RESULTS CLIENT : EARTH'SYSTEMS ENVIRONMENTAL, INC. CLIENT CONTACT: TIM MARTIN PROJECT # : EB-8191-2 PROJECT NAME : BAKERSFIELD COLLEGE LAB ID NUMBER : 01909-05 DATE SAMPLED : 07/01/92 TIME SAMPLED : 11:38 DATE RECEIVED : 07/02/92 · DATE ANALYZED : 07/02/92 DILUTION FACTOR : 100 SAMPLE ID : N. SIDEWALL SAMPLE TYPE : SOIL COMPOUNDS RESULTS mg/Kg DLR mg/Kg I I I I I I I I I I I I BENZENE 0.8 0.5000 ETHYLBENZENE 45.0 0.5000 TOLUENE 79.0 0.5000 TOTAL XYLENE 430.0 1.5000 TPH GAS 1900 50.0000 ND = Not Detected DLR= DETECTION LIMIT FOR REPORTING METHOD OF ANALYSIS: BTXE/TPH GAS (GCFID) mg/Kg = Milligram/Kilogram (ppm) Beckman Instruments. Inc. Environmental Laboratory LAB SUPERVISOR -I I 167 West Poplar Avenue, Porterville, CA 93257-5395 · (209) 784-0800 BECK~AN I I I ANALYTICAL RESULTS CLIENT : EARTH'SYSTEMS ENVIRONMENTAL, INC. CLIENT CONTACT: TIM MARTIN PROJECT # : EB-8191-2 PROJECT NAME : BAKERSFIELD COLLEGE SAMPLE ID : BASE OF PIT LAB ID NUMBER : 01909-06 DATE SAMPLED : 07/01/92 TIME SAMPLED : 11:45 DATE RECEIVED : 07/02/92 DATE ANALYZED : 07/02/92 DILUTION FACTOR : 100 SAMPLE TYPE : SOIL COMPOUNDS RESULTS mg/Kg DLR mg/Kg I I I I I I I I I I I I I I BENZENE 0.6 0.5000 ETHYLBENZENE 15.0 0.5000 TOLUENE 13.0 0.5000 TOTAL XYLENE 280.0 1.5000 TPH GAS 1800 50.0000 ND = Not Detected DLR= DETECTION LIMIT FOR REPORTING METHOD OF ANALYSIS: BTXE/TPH GAS (GCFID) mg/Kg = Milligram/Kilogram (ppm) Beckman Instruments. Inc. Environmental Laboratory LAB SUPERVISOR BECKMAN ENVIRONMENTAL LABORATORY CHAIN OF CUSTODY RECORD PROJECT NAME I~OJECT NUMBER ANALYSES REQUIRED ;.OJECV MA.AGER WPE · .O. OF '~ SAMPLERS ~ ~IONA~RE~ COMPANYISHI~G ME.OD DA~ TIME REMA~SICOND~ION OF SAM~S