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Tal <br /> Groundwater Monitoring Da a and Analytical Results <br /> Former Tosco(Unocal)Service Station#6981 <br /> 4707 Pacific Avenue <br /> Stockton, California <br /> WELL ID/ DATE DTW S [. GVYE Jg T <br /> TPH-G <br /> MTBE <br /> TOC*(f1) ( <br /> r� ff bgs) (fit 1 IpPb) (PPh) (PPb� (ppb) (ppb) (PPb) <br /> 660 1 7 19 <0 5 056 -- <br /> MW-1 02/21/90 51 0-55 Q -- -- -- <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 /> 09130l91 DRY <br /> 11/14/91 DRY <br /> 04/16/92 DRY -- <br /> 07/30/92 DRY10/21-22/92 DRY " - _ <br /> 01/13/93 DRY _ <br /> � -38 71 1,400 16 <5 0 <5 0 <S 0 <br /> 1041 04/26/93 49 1_ <br /> 07/26/93 50 13 -39 72 550 12 9 5 <1 0 7 5 <br /> - <br /> 40 24 440 05 099 <0 5 2 1 <br /> 10/20/93 50 65 150 <br /> 01117-18194 48 18 -3777 990 15 10 39 - <br /> -35 69 180 2 1 17 <0 5 1 5 <br /> 04125-26194 46 10 <0 5 <0 5 - <br /> 07/25-26/94 4845 -3804 <50 <0 5 <0 5 <br /> 10126-27194 4966 -- <br /> -3925 681 40 <05 <05 <05 <br /> <0 5 <0 5 -- <br /> -36 87 <50 <0 5 <0 5 <br /> 01125-26195 47 2$ <0 5 0 75 -- <br /> 04126-27195 4232 -3191 <50 <0 5 064 <br /> 07/26/95 43 35 -- <br /> -32 94 <50 <0 5 064 <0 5 084 <br /> 10125-26195 4423 -33 82 --31 00 <250 <2 5 <2 5 <2 5 <2 5 - <br /> 41 41 - <br /> 01/24/9b _- -- <br /> 04/25/96 3675 -2634 -- -- <br /> 07/24/96 3715 -2674 <br /> - -- <br /> -26 74 <50 <0 5 <0 5 <0 5 <0 5 <5 0 <br /> __ <br /> 10/23/96 3888 -2847 SAMPLED SEMI-ANNUALL' -- -- _' <br /> -25 11 <50 <0 5 <0 5 <0 5 <0 5 <5 0 <br /> O 1I20l97 35 52 5 v 0 <br /> 07/16/97 3272 -2231 <50 <0 5 <0 5 <0 5 <0- - <br /> 101151974 INACCESSIBLE -- - <br /> 12/08/974 INACCESSIBLE <br /> As of 12/31/62 <br /> 1 <br /> 6981 xis!9180138 <br />