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s <br /> Table 1A <br /> Historical Groundwater Monitoring Results <br /> 7-Eleven Store#17334 <br /> 4501 North Pershing Avenue <br /> Stockton California <br /> Well V Ethyl- MTBE MTBE Dissolved <br /> Elevation Benzene Toluene Benzene Xylene TPH-6 TPH-D 8020 8260 T13A DIPE ETRE TAME Oxygen DTW SPT WTE <br /> (TOCI Gate iL �L !L il_ 1L il_ g�L iL il_ lL It. g/L rn iL feet €eet feet <br /> MW-5B cont <br /> 01/09/02 <5 <5 <51 <51 <501 1 <101 <201 <51 <5 <51 0 9 E 15�52 <br /> 0 00 -834 <br /> �J411'1f02 <0 5 <0 5 <0 5 <0� <50 <5 <0 5 < <0 5 <�5 <0 5 0$ 16 0001 ,a 00 <br /> 07/10/02 <0 5 <0 5 <0 5 <0 5 <50 <5 0 52 <5 <0 5 <0 5 <0 5 0 8 17 0 00 -10 DB <br /> Explanation <br /> —=Not available/not sampled TOC=Top of casing elevation(in feet above mean sea level) <br /> TPH-G=Total petroleum hydrocarbons-as gasoline DTW=Depth to water <br /> MTBE=Methyl-tert-butyl-ether SPT=Separate-phase hydrocarbon thickness <br /> TBA=Tertiary Butanol W TE=Water table elevation <br /> DIPE=Di-isopropyl ether pgfL=Micrograms per liter <br /> ETBE=Ethyl-ternary-butyl ether mg/L=Milligrams per liter <br /> TAME=Tertiary-amyl methyl ether ND=Not Detected <br /> `Method Blank Contamination The associated method blank contains the target analyte at a reportable level <br /> 7-11117334 tbl As 5 of 5 08-15-02 <br />