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Table 2 <br /> Historical Groundwater Monitoring and Analytical Data <br /> 7-Eleven Store#32262 <br /> 2360 West Grant Line Road <br /> Tracy CA <br /> Well IDI Ethyl- 1,2- Dissolved <br /> Elevation Date Benzene Toluene Benzene Xylene TPHg MtBE TBA DIPE ETBE TAME RCA EDB Notes Oxygen DTW SPT WTE <br /> (TOC) (pg/L) {Nell) (pg/L) (pg/L) (pglL) (p9fL) (pgn-) I (pg/-) (pg/L) (pg/L) (pg/L) (pgfL) (mgtL) (feet) (feet) (feet) <br /> Grab Water Samples <br /> W1 05/03/03 <500 <500 <500 <500 <50,000 510,000 79,000 <500 <500 1,500 - - - - - - <br /> W2 05/03/03 <250 <250 <250 <250 <25,000 110,000 23,000 <250 <250 350 <br /> W3 06/02/03 <50 <50 <50 <50 <5,000 26,000 6,600 <50 <50 71 - - - - - - <br /> TP-1 02/04/04 <0 50 <0 50 <0 50 <0 50 <50 31 <5 0 <0 50 <0 50 <0 50 <br /> 04/26/04 <0 50 <0 50 <0 50 <0 50 <50 12 <5 0 <0 50 <0 50 <0 50 - - -- 887 000 - <br /> Monitoring Wells <br /> MW-1 <br /> 2577 10/30103 <0 50 <0 50 <0 50 <0 50 <50 <0 50 <5 0 <0 50 <0 50 <0 50 <0 50 <0 50 15 924 000 1653 <br /> 01/14/04 <0 50 <0 50 <0 50 <0 50 <50 <0 50 <5 0 <0 50 <0 50 <0 50 <0 50 <0 50 12 876 000 1701 <br /> 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 09 889 000 1688 <br /> MW-2 <br /> 2532 10/30/03 <2 5 <2 5 <2 5 <2 5 <250 1,700 <25 <2 5 <2 5 26 <2 5 <2 5 a 08 929 000 1603 <br /> 01/14/04 <2 5 <2 5 <2 5 <2 5 <250 1,300 <25 <2 5 <2 5 31 <2 5 <2 5 06 877 000 1655 <br /> 04/26/04 <5 0 <5 0 <5 0 <5 0 <500 1,800 <50 <5 0 <5 0 <50 <5 0 <5 0 10 894 000 1638 <br /> MW-3 <br /> 2509 10/30/03 <0 50 <0 50 <0 50 <0 50 <50 95 <5 0 <0 50 <0 50 <0 50 <0 50 <0 50 1 3 902 000 1607 <br /> 01/14/04 <0 50 <0 50 <0 50 <0 50 <50 46 <5 0 <0 50 <0 50 <0 50 <0 50 <0 50 08 835 000 1674 <br /> 04/26/04 <0 50 <0 50 <0 50 <0 50 <50 1 8 <5 0 <0 50 <0 50 <0 50 <0 50 <0 50 07 853 000 1656 <br /> MW-4 <br /> 2377 10/30/03 <0 50 <0 50 <0 50 <0 50 <50 1 9 <5 0 <0 50 <0 50 <0 50 <0 50 <0 50 1 8 799 000 1578 <br /> 01/14/04 <0 50 <0 50 <0 50 <0 50 <50 14 <5 0 <0 50 <0 50 <0 50 <0 50 <0 50 1 1 734 000 1643 <br /> 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 /> MW-5 <br /> 2388 10/30/03 <200 <200 <200 <200 <20,000 120,000 15,000 <200 <200 210 <200 <200 1 5 833 000 1555 <br /> 01/14/04 <200 <200 <200 <200 <20,000 110,000 2,500 <200 <200 210 <200 <200 b 05 772 000 1616 <br /> 04/26/04 <50 <50 <50 <50 <5,000 30,000 <500 <50 <50 56 <50 <50 09 792 000 1596 <br /> 117-ElevenV-11 Stores1322621Tabies132262 04-20 AsHistoncal Water Page 1 of 2 <br />