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<br /> Groundwater Monitoring And Analytical Results
<br /> Former Unocal Service Station#0187
<br /> 437 Fast Miner Avenue
<br /> Stockton, California
<br /> Product
<br /> Well ID/ Date DTW GWE Thicgaess TPH(G) B T E X MTHE
<br /> TOC* (ft) (ft) (ft) (PPb) (ppb) b) (Ppb) (APB) Pb)
<br /> U-2 08/04/97 32 10 -20 61 0 00 782 0 88 <05 <05 <05 <50
<br /> (cont) 11/03/97 33 02 -21 53 0 00 <50 <05 <05 <05 <05 <50
<br /> 02/13/98 30 41 -18 92 0 00 <50 <0 50 <0 50 <0 50 <0 50 <25
<br /> 03/09/98 29 49 -1800 0 00 <50 <0 50 <0 50 <0 50 <0 50 <2 5/<2 0°
<br /> 05/26/98 27 08 -15 59 000 <50 <0 50 <0 50 <0 SO <0 50 <25
<br /> 08/17/98 2636 -14 87 0 00 577 0 66 0 69 <0 50 1 1 <25
<br /> 11/10/98 2645 -14 96 0 00 507 <0 50 <0 50 <0 50 <0 50 <2.5
<br /> U-3
<br /> 1125 08/19/94 47 12 -35 87 0 00 51,000 9,700 1,300 2,100 5,600 --
<br /> 11/17/94 4748 -3623 0 00 42,000 9,600 1,800 2,000 4,600 --
<br /> 02/17/95 45 57 -34 32 0 00 47,000 9,100 2,100 1,600 5,300 --
<br /> 05/09/95 42 82 -31 57 0 00 53,000 7,600 3,900 2,600 11,000 --
<br /> 08/09/95 41 15 -29 90 0 00 38,000 4,800 1,900 2,100 9,600 --
<br /> 11/08/95 4103 -29 78 0 00 28,000 2,400 1,400 1,900 4,900 --
<br /> 02/06/96 39 42 -28 17 0 00 36,000 3,700 1,400 1,900 8,000 3
<br /> 05/07/96 36 69 -25 44 000 36,000 4,600 1,800 2,400 10,000 3
<br /> 08/06/96 36 47 -25 22 0 00 43,000 2,600 1,000 1,700 7,000 --
<br /> 11/05/96 36 05 -24 80 0 00 43,000 2,400 1,000 1,600 6,300 --
<br /> 02/03/97 32 44 -21 19 0 00 39,000 2,100 1,100 1,500 6,100 <500
<br /> 05/01/97 3173 -2048 0 00 19,000 1,100 660 1,200 5,000 260
<br /> 08/04/97 32 02 -20 77 0 00 810 35 21 67 15 <50
<br /> 11/03/97 33 00 -2175 0 00 25,000 960 580 1,500 5,100 <130
<br /> 02/13/98 30 22 -18 97 0 00 41,000 1,700 820 1,900 6,300 <500
<br /> 03/09/98 29 40 -18 15 0 00 28,000 1,300 600 1,200 4,500 <250/<1004
<br /> 05/26/98 26 97 -15 72 0 00 2,300 46 31 56 110 <25
<br /> 08/17/98 2641 -15 16 0 00 17,000 780 110 770 3,300 <50
<br /> 11/10/98 26 48 -15 23 0 00 29,0007 5,200 300 1,300 2,000 <50
<br /> U-4
<br /> 1171 08/09/95 42 03 -30 32 0 00 -- -- -- -- --
<br /> 11108195 4172 -30 01 0 00 440 49 12 0 66 230 --
<br /> 02/06/96 40 29 -2858 0 00 340 <20 <20 <20 7 2 --
<br /> 0187 a1s/#280045 2 As of 11/10/98
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