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i • i <br /> Table 1 <br /> Second Quarter 2004 Groundwater Monitoring and Analytical Data <br /> 7-Eleven Store#20632 <br /> 4627 Da Vinci Drive <br /> Stockton CA <br /> Well IDI Ethyl- e a P3 n W <br /> Elevation Date Benzene Toluene Remo Xylono TPIRg MtBE <br /> 00C ( giL) (wg]L) WO WIL) wilm Ill U p <br /> MW-1 04/27/04 <0 50 <0 50 <0 50 <0 50 <50 18 99 <0 50 <0 50 <0 50 06 604 000 -431 <br /> 173 <br /> MW-2 04/27/04 <5 0 <5 0 <50 <5 0 <500 750 7,300 <5 0 <5 0 <5 0 06 737 000 -455 <br /> 282 <br /> MW-3 04/27/04 <0 50 067 84 71 3,400 36 <5 0 <0 50 <0 50 <0 50 10 731 000 -449 <br /> 2821 <br /> MW-4R 04/27/04 360 <10 220 54 2,600 4,300 28,000 <10 <10 <10 06 682 000 -445 <br /> 237 <br /> MW-5 04/27/04 068 <0 50 <0 50 19 <50 110 97 <0 50 <0 50 <0 50 08 703 000 -446 <br /> 257 <br /> MW-6 04/27/04 <0 50 <0 50 <0 50 <0 50 <50 23 <5 0 <0 50 <0 50 <0 50 1 1 676 000 -438 <br /> 238 <br /> MW-7 04/27/04 <50 <50 <50 <50 <5,000 19,000 62,000 <50 <50 <50 1 1 731 0 00 4 58 <br /> 273 <br /> Explanation <br /> TPHg=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 mg/L=milligrams per liter <br /> TBA=Tert-butanol SPT=Separate-phase hydrocarbon thickness <br /> DIPE=Dusopropyl ether WTE=Water table elevation <br /> EtBE=Ethyl-tert-butyl ether TOC=Top of casing elevation in feet above mean sea level <br /> Notes <br /> Samples analyzed using EPA Method 82606 <br /> 7-Elevenl7-11 Storek14063kTables\20632 04-20 As Page 1 of 1 <br />