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<br /> Groundwater Monitoringand Analytical Results
<br /> Chevron Service Station#9-4275
<br /> 2905 West Benjamin Holt Drive
<br /> Stockton,California
<br /> MTBET WELL TOC B
<br /> (ppb). a fPP (pPb) (PP,b). (ppbl
<br /> MW-2
<br /> 03/22/89 3.41 -14.13 17.54 9,000 750 20 480 730
<br /> 06/12/89 3.41 -14.78 18.19 ND 1,200 80 710 870
<br /> 06/12/89 (D) 3.41 -- -- 11,000 1,400 90 790 1.100 --
<br /> 09/07/89 3.41 -16.25 19.66 14,000 3,200 ND 1,200 800 -
<br /> 12/18/89 3.41 -15.44 18.85 10,000 2,500 ND 1,300 340
<br /> 03/20/90 3.41 -15.08 18.49 13,000 4,800 88 2,100 1,500
<br /> 07/03/90 3.41 -15.66 19.07 21,000 5,700 600 1,900 1,700 --
<br /> 07/03/90 (D) 3.41 -- 14,000 5,000 400 2,000 920 --
<br /> 10/19/90 3.41 -16.65 20.06 11,000 4,400 77 190 340
<br /> 01/17/91 3.41 -16.90 20.31 16,000 5,400 68 1,600 280 -
<br /> 03/19/91 3.41 -- -- 8,700 4,300 50 1,500 260
<br /> 07/18191 3.41 -17.07 20.48 6,200 11100 6.0 710 89
<br /> 10/31/91 3.41 -17.46 20.87 32,000 2,900 ND 1,800 2,700
<br /> 10/31191 (D) 3.41 -- -- 33,000 2,900 ND 1,800 2,700
<br /> 01/16/92 3.41 -16.65 20.06 14,000 2,400 21 1,100 840 -
<br /> 03/11/92 3.41 -15.49 18.90 -- -- -- -- --
<br /> 03/17/92 3.41 -15.45 18.86 13,000 3,900 26 890 1,100
<br /> 06/29/92 3.41 -17.04 20.45 20,000 2,800 97 2,200 17
<br /> 12/10/92 3.41 -17.62 21.03 9,900 1,600 8.0 1,100 930
<br /> 02/04/93 3.41 -15.53 18.94 10,000 1,100 8.2 820 730 -
<br /> 05/18/93 3.41 -13.73 17.14 9,700 2,000 25 1,000 520 -
<br /> 08/05/93 3.41 -14.57 17.98 8,100 1,400 11 880 820
<br /> 11/09/93 3.41 -15.10 18.51 7,400 920 20 740 140 -
<br /> 01/18/94 3.41 -14.80 18.21 2,500 330 12 270 91 --
<br /> 06/27/94 3.41 -14.09 17.50 6,500 1,400 11 630 250 --
<br /> 09/29/94 3.41 -15.28 18.69 15,000 900 ND 1,600 87 --
<br /> 12/08/94 3.41 -14.87 18.28 8,000 440 <10 870 470 --
<br /> 03/08/95 3.41 -12.71 16.12 2,200 170 3.0 230 150 --
<br /> 9-4275.xrs/#386845 3 As of 03/02/01
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