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• <br /> Table 1A <br /> Historical Groundwater Monitoring Results <br /> 7-Eleven Store#17334 <br /> 4501 North Pershing Avenue <br /> Stockton California <br /> Well ilk/ Ethyl- MTBE MTBE tieQlve�l <br /> Efevatlon Benzene Toluene Benzene Xylene TP`H-G TPH-fl 8020 8260 TBA DIPS ETRE TAME Oxygen 07W SRT WTE <br /> lel flats 1) ll 1L (PgjL) TL fl. 1L 1#- 1l !L L L Ieet lest feel <br /> MW-5B cont <br /> 01/09/02 <5 <5 <5 <5 <50 <10 <20 <5 <5 <5 0 9 1580 000 -834 <br /> 704111102 <0 5 <05 <95 <0 <50 < <13 5 <0 5 <0,5 <0 5 06 10 4(� 0100 900 <br /> 07/10/02 <06 <0 5 <0 5 <0 5 <50 <5 0 52 <5 <0 5 <0 5 <0 5 0 8 1752 000 -1006 <br /> 10115102 <0 5 <0 5 <0 5 <0 5 <5t3 <5 1.2 <5 <05 <0 5 <0 S 10 1640 000- -1094 <br /> Explanation <br /> —=hot 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 WTE=Water table elevation <br /> DIPE=Di-isopropyl ether pglL=Micrograms per liter <br /> ETRE=Ethyl-tertiary-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 ata reportable level <br /> 7-11117334 tbl As 5 of 5 11-20-02 <br />