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Table 1 f <br /> Groundwater Monitoring Data and Analytical Results <br /> Former Tosco(Unocal)Service Station#6981 <br /> 4707 Pacific Avenue <br /> Stockton,California <br /> WELL IDI DATE DTW 91 GWE TPH•G B T E X MTBE <br /> T(lC*(ft) Ur) Up hgs (ft 1 (ppb) (pRb) (pPb (p b) (ppb) !Ppb) <br /> MW-4 07/24/96 3855 510-150 -2692 <50 <0 5 <0 5 <0 5 <0 5 60 <br /> (cont) 10/23/96 4030 -2867 SAMPLED SEMI-ANNUALLY -- __ _ <br /> 01/20197 3679 -25 16 <50 <0 5 <0 5 <0 5 <0 5 12 <br /> 07/16/97 3418 -2255 <50 <0 5 <0 5 <0 5 1 0 5 <5 0/256 <br /> 10/15197 3597 -2434 <50 <0 5 <0 5 <0 5 <0 5 <5 0/3 06 <br /> 12/08/97 3574 -2411 <br /> 03/05/98 3171 -20 08 3,5069 <5 0 61 59 220 38/34' <br /> 05127/98 2829 -1666 <50 33 <0 50 <0 50 <0 50 27/326 <br /> 07/21/98 2831 -1668 <50 <0 50 1 8 <0 50 23 18/186 <br /> 10/14/98 2926 -1763 <50 <0 50 <0 50 <0 50 <0 50 14/10 <br /> 01125-26199 2847 -1684 <50 <0 50 <0 50 <0 50 <0 50 9 5110E <br /> 04119-20/99 2606 -1443 <50 <0 50 <0 50 <0 50 <0 50 6 2/486 <br /> i <br /> 07115-16/99 2736 -1573 <50 <0 50 <0 50 <0 50 <0 50 32/46 6 <br /> 1163 10125-26199 2900 -1737 <50 <0 50 071 <0 50 23 52/336 <br /> 01127-28/00 2851 -1688 <50 <0 50 066 <0 50 <0 50 <2 5/<2 06 <br /> 06/26-27/00 2574 -1411 <50 0 <0 500 180 <0 500 1 54 <5 001<2 W <br /> 1163 09122-23/00 28 14 -1651 <,50 <0 50 10 <0 50 099 <2 5/<2 Cr <br /> 12126-27/00 28 19 -1656 <50 0 <0 500 <0 500 <0 500 <0 500 <5 001<2 006 <br /> 03/07-08101 2793 -1630 <50 0 <0 500 <0 500 <0 500 <0 500 <5 00/<2 006 <br /> 06/26-27/01 2888 -1725 <50 <0 50 <0 50 <0 50 <0 50 <5 0/<2 C� <br /> 09/12-13101 3078 -1915 <50 <0 50 <0 50 <0 50 <0 50 <5 0/<2 06 <br /> 12112-13/01 3105 -1942 <50 <0 50 <0 50 <0 50 <0 50 <5 0/<l 01 <br /> 03120-21102 2986 -1823 <50 <0 50 <0 50 <0150 <0 SO <5 0/<2 06 <br /> 06106-07/0217 3027 -1864 <50 <0 50 22 <0.50 2.2 --/<2 06 <br /> I <br /> MW-5 02/21/90 -- 500-150 -- 3,600 77 16 05 117 -- <br /> 10/18/90 DRY - -- -- -- -- <br /> 11/19/90 DRY -- - -- -- -- -- -- <br /> 12/27/90 DRY -- -- -- -- --01/28/91 DRY - -- -- -- -- -- <br /> 04/02/91 DRY -- - -- - -- -- -- <br /> 6981 x 0118 ?6/07/02 <br />