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Ta*Data <br /> Groundwater Monitoring and Analytical Results <br /> Tosco (Unocal) Service Station#6981 <br /> 4707 Pacific Avenue ` <br /> Stockton, California <br /> Weil ID/ Date DTW GWE TPH(G) B T E X MTBE <br /> TOC* (ft ) (ft ) <----------------_____w_�_ .._ --- b- ---__ -> <br /> MW-5 01/28/91 DRY <br /> (cont) 04/02/91 DRY -- -- <br /> 07/18/91 DRY <br /> 09/30/91 DRY <br /> 11114/91 DRY <br /> 04/16/92 DRY -- -- __ <br /> 07/30/92 DRY -- --10/21-22/92 DRY <br /> 01/13/93 DRY -- <br /> 1176 <br /> -1176 04/26/93 5082 -3906 60,000 28,000 <250 <250 <250 -- <br /> 07/26/93 5181 -4005 43,000 19,000 240 <125 <125 -- <br /> 10/20/93 52 35 -4059 21,000 15,000 120 <50 68 -- <br /> 01/17-18194 49 83 -3807 23,000 13,000 100 <50 75 -- <br /> 04/25-26194 4775 -35 99 16,000 12,000 92 31 70 -- <br /> j 07125-26194 50 16 -3840 NOT SAMPLED-(CONSTRUCTION) -- -- __ <br /> 10126-27194 51 26 -3950 13,000 10,000 790 <20 270 -- <br /> 01/25-26/95 48 62 -36 86 5,000 3,700 27 <05 44 -- <br /> 04/26-27195 43 97 -3221 2,900 650 12 23 16 -- <br /> 07/27/95 4503 -3327 150 21 24 <10 1 9 -- <br /> 10/25-26/95 4992 -38 16 -- -- -- __ __ <br /> 01125/9b 43 11 -31 35 86 69 085 <05 084 -- <br /> 3 <br /> 04/25/96 38 31 -26 55 -- -- -- __ _- -- <br /> 07/24/96 38 68 -2692 <50 <0 5 <05 <0 5 <05 691696 <br /> 10/23/96 4053 -2877 SAMPLED SEMI-ANNUALLY -- -- __ -- <br /> 01/20/97 3682 -2506 <50 <05 <0 5 <0 5 <05 25 <br /> 07/16/97 34 32 -2256 <50 <05 <05 <0 5 <05 34 <br /> 10/15/97 36 18 -2442 <50 <05 <05 <05 <05 <50 <br /> 12/08/97 3605 -2429 -- -- -- __ -- <br /> 03/05/98 31 66 -1990 <50 <0 50 <0 50 <0 50 <0 50 23/186 <br /> 05/27/98 2828 -1652 <50 <0 50 <0 50 <0 50 <0 50 8 1/7 86 <br /> 07/21/98 2840 -1664 <50 <0 50 20 <0 50 21 5 014 56 <br /> MW-6 04/16/92 -- -- NOT SAMPLED -- -- -_ __ -- <br /> 07/30/92 -- 4105 <0 5 <05 <0 5 <05 -- <br /> 6981 x1s/#180138 5 As of 07/21/98 <br />