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Table 1
<br /> Groundwater Elevation and Analytical Data(CHEVRON)
<br /> Chevron Service Station#9-4275
<br /> 2905 Weak Benjamin Holl Drive
<br /> Stockton,on,CaliforniaCt
<br /> well Depth Groundwater Ethyl- Total
<br /> well Date Elevation to water Elevation TPHg Benzene Toluene benzene Xylenes MtBE
<br /> ID Sampled Notes (ft,MSL) (ft,TOC) (ft,MSL) (pg1L) (pg1L) (pg/L) (pg1L) (pg1L) (pg1L)
<br /> MW-1 03/22/89 2.24 1629 -14.05 30,000 3,600 1,300 1,100 2,700 _
<br /> 06/12/89 16.91 -14.67 20,000 4,400 1,600 2,900 5,900 _
<br /> 09/07/89 18.38 -18.14 20,000 4,100 480 920 1,500
<br /> 12/18/89 17.60 -15.36 17,000 4,200 200 17 1,200
<br /> 03/20/90 17.22 -14.98 13,000 6,400 580 2,200 1,200
<br /> 07/03/90 18.04 -15.80 17,000 4,800 410 1,300 1,200
<br /> 10/19/90 19.34 -17.10 16,000 4,800 290 1,700 700
<br /> 10119/90 D -- -- 17,000 5,600 270 1,700 660
<br /> 01/17/91 19.04 -16.80 10,000 3,100 38 950 170
<br /> 01/17/91 D -- 9,800 3,200 39 980 170
<br /> 03119/91 - -- 16,000 2,900 45 960 290
<br /> 07/18/91 19.20 -16.96 12,000 3,300 90 1,100 250
<br /> 07118191 D -- -- 12,000 3,300 90 1,100 250
<br /> 10/31191 19.62 -17.38 9,800 2,600 18 720 180
<br /> 01/16/92 18.82 -16.58 12,000 3,600 54 960 370
<br /> 03/11/92 17.62 -15.38 -- -- »
<br /> 03117/92 17.60 -15.36 9,800 3,600 150 700 360
<br /> 06129!92 19.22 -16.98 7,700 3,000 33 600 230
<br /> 12/10/92 19.76 -17.52 4,900 1,300 26 220 130
<br /> 02/04/93 12.66 -10.42 15,000 3,100 70 920 540 -
<br /> 05/18/93 15.86 -13.62 8,800 1,900 120 730 840 »
<br /> D8105193 16.74 -14.50 29,000 9,400 1,800 2,900 4,900 -
<br /> 11/09193 17.24 -15.00 13,000 3,600 110 810 870 --
<br /> 01116l94 18.98 -14.74 24,000 5,600 100 1,900 2,300 -
<br /> 08/27/94 15.25 -14.01 8,400 2,300 59 520 700 -
<br /> 09/29/94 17.44 -15.20 9,600 2,100 25 530 590 -
<br /> 12/08/94 17.02 -14.78 5,700 1,300 19 290 260
<br /> 03/08/95 14.76 -12.52 4,600 1,100 <25 230 280
<br /> 06/01/95 13.23 -10.99 27,000 4,100 300 1,800 4,000
<br /> 09111/95 15.17 -12.93 12,000 2,400 140 790 1,900 -
<br /> 12105/95 15.70 -13.46 8,800 2,500 32 450 710
<br /> 03/18/96 11.45 -9.21 5,000 670 30 180 490 •-
<br /> 06/16/96 11.60 •9.36 30,000 2,300 260 2,200 7,000 84
<br /> 09/24/96 13.45 -11.21 30,000 2,000 46 1,800 3,700 67
<br /> 12/04196 13.00 -10.76 7,700 800 11 510 570 67
<br /> 02/25/97 8.74 -6.50 27,000 1,600 520 1,800 6,300 52
<br /> 05/06197 10.25 -8.01 500 3.9 2.4 2.6 140 9.0
<br /> 09/29197 12.42 -10.18 1200 4.0 1.3 13 24 430
<br /> 11/25197 12.45 -10.21 1100 6.5 <5.0 33 18 67
<br /> 03!26198 6.11 -3.87 380 1.1 <0.5 6.1 39 91
<br /> 06!24/98 7.97 -5.73 2,900 <5.0 <5.0 51 200 26
<br /> 09/10198 9.83 -7,59 950 4.8 11 23 42 320
<br /> 12/17198 10.03 -7.79 330 2.5 0.52 4.5 31 270
<br /> 03/10/99 8.62 -6.38 550 3.2 1.1 11 54 7.7
<br /> 06/22/99 10.44 -8.20 <50 <0.5 <0.5 <0.5 <0.5 <2.0
<br /> 09/13/99 11.15 -8.91 87 0.77 40.5 0.91 2.6 49
<br /> 12116/99 11.16 -8.92 <100 <1.0 <1.0 <1.0 2.2 502
<br /> 03/01100 6.87 -4.63 90.7 <0.5 <0.5 2.18 8.5 15
<br /> 06/13100 1 8.51 -6.27 70.8 <0.500 <0.500 1.40 2.94 <5.00
<br /> 09/13100 10.46 -8.22 <50.0 <0.500 <0.500 <0.500 <0.500 <5.00
<br /> 12114100 4 10.09 -7.85 60.6 <0.500 <0.500 <0.500 <1.50 217
<br /> 03/02101 S.9 8.40 -8.18 <50 <0.50 <0.50 <0.50 <0.50 97011,300
<br /> 03!02101 K.9 6.40 -6.16 <20D <2.0 <2.0 <2.0 <2.0 970
<br /> 05110101 7.97 -5.73 <250 <2.5 <2.5 <2.5 <2.5 2,100
<br /> I:1Chevron594275%TabEes%94275 QMR.YIa
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