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• T# • <br /> Second Quarter 2004 Groundwater Monitoring and Analytical Data <br /> 7-Eleven Store#17334 <br /> 4501 North Pershing Avenue <br /> Stockton CA <br /> Well IDI Ethyl- Dissolved <br /> Elevation Date Benzene Toluene Benzene Xylene TPMg MtBE TBA DIPE ETBE TAME Notes Oxygen DTW SPT WTE <br /> (TOC) (pglL) (pg/L) (pg/L) (p9IL) (pg1L) (pglL) (pglL) (pg/L) (p9IL) (pgIL) (mg1L) (feet) (feet) (feet) <br /> MW-2 04/07/04 <0 50 <0 50 <0 50 10 <50 <0 50 <5 0 <0 50 <0 50 <0 50 02 1832 000 -968 <br /> 864 <br /> MW-3 04/07/04 067 059 <0 50 1 2 82 24 <5 0 <0 50 <0 50 <0 50 01 1761 000 -1017 <br /> 744 <br /> MW-4 04/07/04 <0 50 <0 50 <0 50 067 490 86 1,400 <0 50 <0 50 <0 50 02 17 19 000 -1050 <br /> 669 <br /> MW-5A 04/07/04 930 1,900 560 2,900 21,000 190 380 <10 <10 <10 01 1722 000 -1000 <br /> 722 <br /> MW-5B 04/07/04 <0 50 <0 50 <0 50 074 <50 <0 50 <5 0 <0 50 <0 50 <0 50 51 1744 000 -998 <br /> 746, <br /> Explanation <br /> TPNg=Total petroleum hydrocarbons-as-gasoline TAME=Tert-amyl-methyl ether pg/L=micrograms per liter <br /> MtBE=Methyl-tert-butyl ether DTW=Depth to water mglL=milligrams per liter <br /> TBA=Tert-butanol SPT=Separate-phase hydrocarbon thickness <br /> RIPE=Dnsopropyl ether WTE=Water table elevation <br /> EtBE=Ethyl-tert-butyl ether TOC=Top of casing elevation in feet above mean sea level <br /> Note Samples analyzed using EPA Method 8260B <br /> i <br /> 7-Elevenl7-11 Store1140631Tablssl17334 04-2Q As Page 1 of 1 <br />