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ARCHIVED REPORTS_XR0009413
EnvironmentalHealth
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3500 - Local Oversight Program
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PR0545734
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ARCHIVED REPORTS_XR0009413
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Last modified
6/5/2020 1:56:21 PM
Creation date
6/5/2020 1:45:40 PM
Metadata
Fields
Template:
EHD - Public
ProgramCode
3500 - Local Oversight Program
File Section
ARCHIVED REPORTS
FileName_PostFix
XR0009413
RECORD_ID
PR0545734
PE
3528
FACILITY_ID
FA0010191
FACILITY_NAME
TRACY-PONTIAC-CADILLAC-GMC TRUCK
STREET_NUMBER
2450
STREET_NAME
TOSTE
STREET_TYPE
RD
City
TRACY
Zip
95376
APN
238020-06
CURRENT_STATUS
02
SITE_LOCATION
2450 TOSTE RD
P_DISTRICT
005
QC Status
Approved
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EHD - Public
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3 0 October 2002 <br /> . AGE-NC Project No 96-0254 <br /> Page 2 of 4 <br /> and MW3 through MW-7 were transferred into one 1-liter amber bottle without a sample <br /> preservative <br /> After collection,the samples were labeled and placed in a chilled container for transportation under <br /> chain-of-custodyto McCampbell Analytical,Inc (MAI),a California Department of Health Services <br /> (DHS)-certified analytical laboratory The ground water samples were analyzed for <br /> • Total petroleum hydrocarbons quantified as gasoline and as diesel (TPH-g and TPH-d) in <br /> accordance with EPA Method 8015 Modified <br /> • Benzene,toluene,ethylbenzene and total xylenes(BTEX)in accordance with EPA Method <br /> 8021B <br /> I • Fuel additives, including, di-isopropyl ether (DIPE), ethyl tertiary-butyl ether (ETRE), <br /> methyl tertiary-butyl ether (MTBE), tertiary-amyl methyl ether (TAME), tertiary-butyl <br /> alcohol(TBA), 1,2-dichloroethane(1,2-DCA)and ethylene dibromide(EDB) in accordance <br />' with EPA Method 8260 Modified <br /> i <br /> I Quarterly ground water monitoring events at the former Curtiss Pontiac-Buick site are coordinated <br /> to occur concurrently with ground water monitoring activities at Grant Line Gas and Fuel at 2420 <br /> Grant Line Road, ground water monitoring data from Grant Line Gas and Food monitoring well <br />' GLMW-3 has been included in this investigation to delineate the down gradient extent of the <br /> dissolved hydrocarbon plume and to determine ground water flow direction and gradient However, <br /> well GLMW-3 had been sampled on 21 June 2002 and was not sampled during this monitoring <br /> event <br /> I3.0 FINDINGS <br /> Ground water elevation, flow direction, and gradient were determined from field data collected on <br /> I 23 July 2002, the contaminant impact to ground water was assessed from the laboratory analytical <br /> data obtained from the sampling event <br /> I3 1 GROUND WATER ELEVATION AND GRADIENT <br /> The elevation of ground water in each well was calculated by subtracting the depth to ground water <br /> from the surveyed well casing elevations (Table 1) <br /> The depths to ground water in wells MW-1 through MW-7 were measured between 6 96 feet and <br /> . 7 79 feet below the tops of the well casings Ground water elevations at the site ranged between <br /> Advanced GeoEnvi ron mental Inc <br />
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