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• <br /> Table 1 <br /> Second Quarter 2004 Groundwater Monitoring and Analytical Data <br /> 7-Eleven Store#14117 <br /> 2725 Country Club Boulevard <br /> Stockton,CA <br /> Well IDI Ethyl- 1,2- Dissolved <br /> Elevation Date Benzene Toluene Benzene Xylene TPHg MtBE TBA DIPE ETBE TAME DCA EDB Notes Oxygen DTW SPT WTE <br /> (TOC) (pglL) (pgfL) (pg/L) (pglL) (pg/L) (pg1L) (pg1L) (pglL) (pg/L) (pglL) !L IL. (mgfL) (feet) (feet) (feet) <br /> 3 0 <3 0 <br /> MW-1 06/09/04 <3 0 < <3 0 <500 <3 0 6,400 <30 <30 <30 <30 <3 0 03 804 000 -680 <br /> 124 <br /> MW-2 06/09/04 41 <0 50 <0 50 <0 50 110 65 550 <0 50 <0 50 <0 50 <0 50 <0 50 02 734 000 -666 <br /> 068 <br /> MW-3 06/09/04 35 65 730 2,200 18,000 <2 5 <25 <25 <25 <25 <25 <25 02 <br /> 7 34 0 00 -6 26 <br /> 1 0$ <br /> MW-4 06/09/04 69 079 29 10 1,600 31 500 <0 50 <0 50 <0 50 <0 50 <0 50 02 771 000 -683 <br /> � <br /> 088 <br /> MW-5 06/09/04 <0 50 <0 50 <0 50 <0 50 <50 <0 50 <5 0 <0 50 <0 50 <0 50 <0 50 <0 50 0 3 7 73 0 00 -6 32 <br /> 141 <br /> MW-6 06/09/04 <0 50 <0 50 <0 50 <0 50 <50 <0 50 <5 0 <0 50 <0 50 <0 50 <0 50 <0 50 05 791 000 -679 <br /> 1 12 <br /> MW-7 06/09104 -- -- -- — -- -- -- -- -- -- -- — -- -- -- -- <br /> 0 98 <br /> MW-8 06/09/04 85 200 63 370 3,500 110 130 1 <0 50 <0 50 <0 50 <0 50 <0 50 02 8 99 0 00 -7 09 <br /> 190 <br /> Explanation <br /> TPHg=Total petroleum hydrocarbons-as-gasoline TAME=Tert-amyl-methyl ether WTE=Water table elevation <br /> MtBE=Methyl-ter)-butyl ether 1,2-DCA=1,2-dtchloroethane TOC=Top of casing elevation in feet above mean sea level <br /> TBA=Tert-Butanol EDB=1,2-dibromoethane pglL=micrograms per liter <br /> DIPE=Dusopropyl ether DTW=Depth to water mglL=milligrams per liter <br /> EIBE=Ethyl-tert-butyl ether SPT=Separate-phase hydrocarbon thickness —=Not sampled/not measured <br /> Note <br /> Samples analyzed using EPA Method 826013 <br /> 7-Elevenl7-11 Store1140631Tables114117 04-2Q As Page 1 of 1 <br />