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ARCHIVED REPORTS_XR0003505
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3500 - Local Oversight Program
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PR0545285
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ARCHIVED REPORTS_XR0003505
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Last modified
2/3/2020 12:38:18 PM
Creation date
2/3/2020 11:49:54 AM
Metadata
Fields
Template:
EHD - Public
ProgramCode
3500 - Local Oversight Program
File Section
ARCHIVED REPORTS
FileName_PostFix
XR0003505
RECORD_ID
PR0545285
PE
3528
FACILITY_ID
FA0006068
FACILITY_NAME
PALADIN MILEAGE CENTER
STREET_NUMBER
2421
STREET_NAME
HOLLY
STREET_TYPE
DR
City
TRACY
Zip
95376
CURRENT_STATUS
02
SITE_LOCATION
2421 HOLLY DR
P_LOCATION
03
P_DISTRICT
005
QC Status
Approved
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EHD - Public
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15 December 1997 <br /> AGE-NC Project No 96-0211 <br />' Page 2 of 3 ' <br />' were transported in a chilled container to Mc Campbell Analytical Inc (MAI) of Pacheco, California <br /> and analyzed in accordance with EPA ,method 503018015m and 602 for total petroleum <br /> hydrocarbons quantified as gasoline,volatile aromatic compounds (benzene, toluene, ethylbenzene <br />' and total xylene BTE&X)and methyl tertiary butyl ether(MTBE) The samples were also analyzed <br /> in accordance with EPA methods 8260m and 8260 for methyl-tert-butyl ether MTBE and other <br /> oxygenated fuel additives, including tertiary butyl alcohol (TBA), di-isopropyl ether (DIPE), ethyl <br />' tertiary butyl ether (ETRE) and tertiary amyl methyl ether (TAME) and other volatile organic <br /> compounds <br /> r 3 <br /> 3.0. FINDINGS <br /> 3 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 casing elevation (Table 1) Monitoring well casing elevations were surveyed <br /> relative to monitoring well MW-1 Ground water gradient on 23 September 1997 was calculated to �- <br /> Abe 0 004 ft/ft directed toward the north-northwest The relative ground water elevation at the site is <br /> illustrated in Figure 3 - Relative Ground Water Elevation <br /> 32 LABORATORY RESULTS OF GROUND WATER SAMPLES <br /> fTPH-g was detected in the ground water samples from monitoring well MW-1, MW-2 and MW-3 <br /> at a concentrations of 120, 130 and 110 parts per billion (ppb, reported as micrograms per liter), <br /> respectively BTE&X compounds were detected in the water sample from monitoring well samples <br /> at a maximum concentration of 2 2 ppb of benzene MTBE, TBA, DIPE, ETBE, TAME were not <br /> detected in any of the water samples analyzed <br /> Analytical results of ground water samples are summarized on Table 2 The laboratory report (MAI <br /> Laboratory ID 81082 through 81084) and chain-of-custody are presented in Appendix B <br /> 4.0. CONCLUSIONS AND RECOMMENDATIONS <br /> y 41 CONCLUSIONS <br /> Based upon results of the ground water monitoring, AGE concludes <br /> • The lateral extent of hydrocarbon-impacted ground water at the site has not been determined <br />
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