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Tab <br /> • Groundwater Monitoring*nd Analytical Results . <br /> Tosco(Unocal)Service Station#6981 <br /> 4707 Pacific Avenue <br /> Stockton,California <br /> WELL ID/ DATE DTW S L OWE TPH 1G B T E X MTBE <br /> TOC* (1t) (A bks) (eta (Ppb) (Ppb) (ppb) (PPb) (ppb) (Ppb) <br /> VW-4 <br /> NA 07/24/96 DRY 25 5-50 5 -- -- -- -- -- -- -- <br /> 10/23/96 -- -- SAMPLED SEMI-ANNUALLY -- -- - -- <br /> 01/21/97 3607 -- 3,000 <0 5 53 31 530 <5 0 <br /> 07/17/97 34 t3 - 670 <0 5 45 61 98 5 1 <br /> 10/15/97 DRY -- -- -- - -- -- <br /> 12/08/97 WELL CONNECTED TO VES -- -- -- -- -- - <br /> 03/05/98 3182 -- <50 <0 50 <0 50 <0 50 <0 50 351396 <br /> 05/27/98 2855 -- 3,900 <10 <t0 <10 <10 <10/<5 06 <br /> 07/21/98 2853 - 2,5009 97 <0 50 <0 50 57 <5 01<2135 <br /> 10/14/98 2954 -- 14,0009 <50 <50 120 370 <250/<666 <br /> 01/25-26199 2874 -- 20,00012 <50 100 <50 440 <250/156 <br /> 04/19-20199 2623 -- 14,000 <50 <50 82 170 <250/156 <br /> 07115-16199 2754 -- 17,000 <50 <50 <50 <50 <250/196 <br /> 10/25-26199 2936 -- 22,00013 <50 <50 70 290 <2501276 <br /> 01/27-28100 2885 19,00013 66 <50 190 1,300 431516 <br /> 06126-27100 2609 -- 3,47014 <5 00 <5 00 <5 00 432 683/1,1106 <br /> 1176 09122-23/00 2865 -1689 12,00013 <100 <100 <100 200 2,800/1606 <br /> 12126-27/00 28.58 -1682 11,10014 <12 5 <12 5 275 167 140/1726 <br /> VW-7 <br /> NA 08/21/99 2857 55 0-60 0 -- 37,000 2,500 6,100 610 7,000 <250/5106 <br /> 10125-26199 2954 -- 33,00013 2,900 6,800 680 7,800 <500/4 76 <br /> 01/27-28100 2902 - 23,00013 2,000 5,600 860 9,900 120/756 <br /> 06126-27100 2627 28,70033 1,560 3,800 <50 0 8,310 <500141 46 <br /> 1167 09122-23/00 2843 -1676 8,50013 610 2,200 12 4,900 300/356 <br /> 12/26-27100 28.34 -1667 37,900" 1,420 3,330 328 10,000 <500/<1006 <br /> I <br /> 6981 xis/#180138 19 As of 12/27/00 <br />