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s T � • <br /> Groundwater Monitoring a and Analytical Results <br /> Tosco (Unocal) Service Station#6981 <br /> 4707 Pacific Avenue <br /> Stockton, California <br /> Sveli ID/ date D 11G G1Yr 7 1111(c) It 1 r_ h 11ITBE <br /> TOC* (1t ) (ft ) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) <br /> MW-1 07/21/98 26 77 -1636 57 22 098 <0 50 1 7 341276 <br /> (cont) 10/14/98 2775 -17 34 <50 <0 50 <0 50 <0 50 069 211206 <br /> 01/25-26/99 2704 -1663 <50 <0 50 <0 50 <0 50 <0 50 621536 <br /> MW-2 02/21/90 -- -- 12,000 1,900 75 21 140 -- <br /> 10/18/90 DRY <br /> 11/19/90 DRY <br /> 12/27/90 DRY <br /> 01/28/91 DRY <br /> 04/02/91 DRY <br /> 07/18/91 DRY <br /> 09/30/91 DRY <br /> 11/14/91 DRY -- -- _ <br /> 04/16/92 DRY <br /> 07/30/92 DRY <br /> 10/21-22192 DRY <br /> 01/13/93 DRY <br /> 1156 04/26/93 5072 -39 16 43,000 8,000 <125 <125 <125 -- <br /> 07/26/93 5172 -40 16 18,000 2,900 47 38 90 -- <br /> 10/20/93 5226 -4070 12,000 2,400 52 <20 60 -- <br /> 01/17-18/94 4974 -38 18 14,000 1,800 31 29 120 <br /> 04/25-26194 4761 -3605 21,000 8,000 240 93 220 -- <br /> 07125-26/94 5007 -38 51 NOT SAMPLED- (CONSTRUCTION) <br /> 10126-27/94 51 25 -3969 24,000 11,000 3,100 96 3,200 -- <br /> 01/25-26195 4849 -36 93 8,600 4,100 94 35 130 -- <br /> 04/26-27195 43 88 -32 32 11,000 5,300 460 74 530 -- <br /> 07/27/95 44 95 -33 39 3,300 640 26 <12 5 13 -- <br /> 10/25-26195 45 84 -34 28 _ <br /> 01/25/96 43 05 -31 49 2,100 510 29 <10 11 J <br /> 04/25/96 38 22 -2666 - -_ -_ -_ <br /> 07/24/96 38 60 -2704 1,300 470 110 16 75 36 <br /> 10/23/96 4043 -2887 SAMPLED SEMI-ANNUALLY <br /> 01/21/97 36 93 -2537 250 72 13 45 16 18 <br /> 07/17/97 3424 -2268 16,000 3,900 220 180 390 <250 <br /> 10/16/97 3608 -2452 12,000 3,500 200 170 640 <50011206 <br /> 6981 xls/#180138 2 <br /> As of 01/26/99 <br />