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• A • _ <br /> Second Quarter 2004 Groundwater Monitoring and Analytical Data <br /> 7-Eleven Store#32262 <br /> 2360 West Grant Line Road <br /> Tracy CA <br /> Well 1D1 Ethyl- Dissolved <br /> Elevation Date Benzene Toluene Benzene Xylene TPHg MtBE TBA DIPE ELBE TAME DCA EDB Notes Oxygen DTW SPT WTE <br /> (TOC) p L (µ fi L p (ij1L ( !L� ) L (N !L m feet (feet) (feet) <br /> MW-1 04/26/04 <0 50 <0 50 <0 50 <0 50 <50 <0 50 <5 0 <0 50 <0 50 <0 50 <0 50 <0 50 09 8 89 000 1688 <br /> 2s 77 <br /> MW-2 04/26/04 <5 0 <5 0 <5 0 <5 0 <500 1,800 <50 <5 0 <5 0 <5 0 <5 0 <5 0 10 894 0001 1638 <br /> 2532 <br /> MW-3 04/26/04 <0 50 <0 50 <0 50 <0 50 <50 18 <5 0 <0 50 <0 50 <0 50 <0 50 <0 50 07 853 000 1656 <br />� 2s o9 <br /> MW-4 04126/04 <0 50 <0 50 <0 50 <0 50 <50 <0 50 <5 0 <0 50 <0 50 <0 50 <0 50 <0 50 07 751 000 1626 <br /> 2377 <br /> MW-5 04/26/04 <50 <50 <50 <50 <5,000 30,000 <500 <50 <60 56 <50 <50 09 792 000 1596 <br /> 2388. <br /> MW-6D 04/26/04 <0 50 <0 50 <0 50 <0 50 <50 25 <5 0 <0 50 4 501 <0 50 <0 50 <0 50 79 672 000 1814 <br /> 2486 <br /> TP-1 04/26/04 <0 50 <0 50 <0 50 <0 50 <50 12 <5 0 <0 50 <0 50 <0 50 — -- — 8871 000 -- <br /> Explanation <br /> TPHg=Total petroleum hydrocarbons-as-gasoline 1 2-DCA=1 2-Dichloroethane TOC=Top of casing elevation in feet above mean sea level <br /> MtBE=Methyl-tert-butyl ether EDS=1 2-Dibromoethane pg1L=micrograms per liter <br /> TBA=Tert-butanol DTW=Depth to water mg/L=milligrams per liter <br /> DIPE=Dnsopropyl ether SPT=Separate-phase hydrocarbon thickness —=Not sampled/not measured <br /> EtBE=Ethyl-tent-butyl ether WTE=Water table elevation <br /> TAME=Tert-amyl-methyl ether <br /> Notes <br /> Samples analyzed by EPA Method 82608 <br /> t 17-Eleven%7-11 Stores1322621Tables132262 04-2Q xlsWater Page 1 of 1 <br />