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r■ �� � � � rr ■� r r r r r r r r� � � r� <br /> Table 1 A <br /> Historical Groundwater Analytical Results <br /> 7 Eleven Store#21756 <br /> 853 E Yosemite Avenue <br /> Manteca California <br /> Well ID/ Ethyl- MTBE MTBE Dissolved <br /> Elevation Benzene Toluene Benzene Xylenes TPH-G 8020 8260 TBA DIPE ETRE TAME 1,2-DCA EDB Oxygen DTW SPT WTE <br /> (TOC) Date (Ng/L) WL) 019&) 01g1L) 441L) UM&) (pglL) 440L) 4101L) (OCA) UM&) (Ng&) (mg/L) (feet) (feet) (feel) <br /> MW-3 <br /> 10/04/01 <0 5 099 <05 17 <50 -- <5 <20 <5 <5 <5 -- - 24 2150 0 00 1481 <br /> 01/07/02 <0 5 1 0 56 29 <50 -- <5 <20 <5 <5 <5 -- 21 1827 000 1804 <br /> 04/08/02 <05 <0 5 <05 <05 <50 -- <05 <5 <05 <05 <0 5 -- 19 1920 000 1711 <br /> 07/01/02 <05 <05 <05 061 <50 <5 <05 <5 <05 <05 <05 - 1 2 21 16 000 1515 <br /> 10101102 <05 <0 5 <0 5 1 <0 5 1 <50 <5 <0 5 <5 1 <05 1 <05 <05 -- 10 21 73 000 1458 <br /> I MW-4 <br /> 3413 04/08/02 <0 5 <0 5 <0 5 <0 5 <50 -- <0 5 <5 I <0 5 I <0 5 1 <0 5 I -- I 11 9 1712 1 0 DO 1 17 01 <br /> 07/01/02 <05 <05 <0 5 078 <50 <5 <05 <5 <05 <05 <0 5 1 6 191 fi D 00 14 97 <br /> 10/01/02 <05 1 <05 <0 5 <05 <50 <5 <05 <5 <0 5 <0 5 <0 5 1 1973 1000 1 1440 <br /> Explanation <br /> =Not available/not sampled ETBE=ethyl-tertiary-butyl-ether WTE=Water table elevation {rglL=Micrograms per liter <br /> TPH G=total petroleum hydrocarbons as-gasoline TAME=tertiery amyl methyl ether TOC=Top of casing elevation(in feet above mean sea level) mg/L=Milligrams per liter <br /> MTBE=methyl-tert-butyl ether 12 DCA=1 2{hchloroethane DTW=Depth to water <br /> TBA=teruery butanol EDB=1 2-dibromoethane SPT=Separate phase hydrocarbon thickness <br /> DIPE=dusopropyi ether <br /> 'Method Bank Contamination The associated method blank containing the target analyte of a reportable level <br /> I <br /> I <br /> 7-11/21756 thI As 2 of 2 10-24-02 <br />