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<br /> Groundwater Monito nguand Analytical Results
<br /> Former Unocal Service Station#0187
<br /> 437 East Miner Avenue
<br /> Stockton,California
<br /> Product
<br /> Well IIx/ Date DTW GWE Thickness TPH(G) B T E X MTBE
<br /> TGC' UP A) UJ (ppb) 1PFh? (Frh) (ppb) (ppb) (ppb)
<br /> U-3
<br /> 1125 08/19/94 4712 -3587 000 51,000 9,700 1,300 2,100 5,600 --
<br /> 11/17/94 4748 -3623 000 42,000 9,600 1,800 2,000 4,600
<br /> 02/17/95 4557 -3432 000 47,000 9,100 2,100 1,600 5,300 --
<br /> 05/09/95 4282 -3157 000 53,000 7,600 3,900 2,600 11,000 --
<br /> 08/09/95 4115 -2990 000 38,000 4,800 1,900 2,100 9,600 --
<br /> 11/08/95 4103 -2978 000 28,000 2,400 1,400 1,900 4,900 --
<br /> 02/06/96 3942 -2817 000 36,000 3,700 1,400 1,900 8,000 - s
<br /> 05/07/96 3669 -2544 000 36,000 4,600 1,800 2,400 t0,000 -3
<br /> 08/06/96 3647 -2522 000 43,000 2,600 1,000 1,700 7,000 --
<br /> 11/05/96 3605 -2480 000 43,000 2,400 1,000 1,600 6,300 --
<br /> 02/03/97 3244 -2119 000 39,000 2,100 1,100 1,500 6,100 <500
<br /> 05/01/97 3173 -2048 000 19,000 1,100 660 1,200 5,000 260
<br /> 08/04/97 3202 -2077 000 810 35 21 67 15 <5 0
<br /> 11/03/97 3300 -2175 000 25,000 960 580 1,500 5,100 <130
<br /> 02/13/98 3022 -1897 000 41,000 1,700 820 1,900 6,300 <500
<br /> 03/09/98 2940 -1815 000 28,000 1,300 600 1,200 4,500 <2501<1004
<br /> 05/26/98 2697 -1572 000 2,300 46 31 56 110 <2 5
<br /> 08/17/98 2641 -1516 000 17,000 780 110 770 3,300 <50
<br /> 11/10/98 2648 -1523 000 29,000 5,200 300 1,300 2,000 <50
<br /> 02/05/99 2596 -1471 000 27,000 4,200 2,200 300 3,800 --
<br /> (D) 02/05/99 -- -- -- 28,000 4,300 2,300 1,000 4,000
<br /> 1079 05/07/99 2473 -1394 000 18,000 2,600 240 340 1,900 --
<br /> 08/24/99 2517 -1439 000 18,00010 2,400 300 1,200 1,700 --
<br /> 11/23-24/99 2612 -1533 000 8,96010 609 606 566 744 <2501<10 0"
<br /> 02/22-23100 2540 -1461 000 43,00010 7,200 5,100 2,200 8,300 <250/<2 04
<br /> 05130.31/00 24.03 -13.24 0.00 12,90010 814 95.5 783 1,350 <5001<10 0°
<br /> 0187 xls/#280045 3 As of 06/07/00
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