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Table 1 <br /> Groundwater Monitoring Data and Analytical Results <br /> Former Tosco(Unocal)Service Station#6981 <br /> 4707 Pacific Avenue <br /> Stockton,California <br /> WELL ED/ DATE DTW SI GWE TPH-G B T E X MTBE <br /> OC*(fi) (fi) (ft bgs) (lt) (ppb) (Ppb) (Ppb) (ppb) (ppb) (pp b) <br /> MW-7 04116/92 -- 49 0-69 0 <br /> 07/30/92 -- -- 950 320 19 57 25' _ <br /> 10/21-22192 -- - 240 35 26 1 9 32 - <br /> 01/I3/93 - -- 2,400 1,000 45 35 120 _ <br /> 1182 04/26/93 5109 -3926 500 170 <2 5 <21 10 <br /> 07/26/93 5211 -4029 3,800 1,200 59 92 140 -- <br /> 10/20/93 5263 -4081 3,500 690 34 44 53 <br /> 01/17-18/94 5010 -1828 15,000 4,800 460 290 620 -- <br /> 04/25-26194 4798 -1616 8,300 3,700 <25 400 130 - <br /> 07/25-26194 5046 -3864 9,300 3,300 54 420 120 <br /> 10/26-27/94 5163 -3981 3,700 1,900 11 240 <10 -- <br /> 01/25-26195 4885 -3703 250 29 10 18 21 -- <br /> 04/26-27195 4413 -3251 97 24 074 <0 5 067 - <br /> 07/26/95 4538 -3356 330 17 61 23 62 -- <br /> 10125-26195 4624 -3442 - -- - -- __ <br /> 01/25/96 4329 -3147 76 1 8 <0 5 <0 5 055 -- <br /> 04/25/96 3864 -2682 - - - -- -- -- <br /> 07/24/96 3904 -2722 <50 <05 <0 5 <0 5 <0 5 86 <br /> 10/23/96 4084 -2902 SAMPLED SEMI-ANNUALLY - <br /> 01/20/97 3714 -25 32 <50 059 <0 5 <0 5 <05 20 <br /> 07/16/97 3471 -2289 <50 <0 5 <0 5 <0 5 <0 5 40 <br /> 10/15/97 3654 -2472 <50 <0 5 <0 5 <0 5 46 46/63" <br /> 12/08/97 3637 -2455 -- - - -- -- -- <br /> 03/05/98 3198 -2016 <50 <0 50 <0 50 <0 50 <0 50 140/120 6 <br /> 05/27198 2870 -1688 <50 <0 50 <0 50 <0 50 <0 50 46153" <br /> 07/21/98 2875 -1693 <50 069 088 <0 50 073 21122" <br /> 10/14/98 2974 -1792 <50 4 50 <0 50 <0 50 <0 50 33133" <br /> 01/25-26199 2890 -1698 <50 <0 50 <0 50 <0 50 <0 50 40135"- <br /> 04/19-20199 2641 -1459 <50 13 <0 50 <0 50 <0 50 160/120" <br /> 07/15-16/99 2780 -1598 <50 <0 50 <0 50 <0 50 066 260/320 <br /> 1182 10/25-26/99 2948 -1766 <50 38 084 <0 50 23 2401250" <br /> I <br /> 6981 xls!#18{1,38 10As 13oro2 <br />