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Table i
<br /> Groundwater Elevation and Analytical Data(CHEVRON}
<br /> Chevron Service Station#94275
<br /> 2905 Benjamin Holt Drive
<br /> Stockton,California
<br /> Well Groundwater Depth Ethyl- Xylenes
<br /> Well Date Elevation Elevation to Water TPI-Ig Benzene Toluene benzene (total) MME
<br /> ID Sampled (rt MSL) (ft,MSL) (ft.TOC) NO) (ugR) NO) (u911) (ug/) (u9/1)
<br /> MW-1 03/22/89 2.24 -14.05 16.29 30,000 3,800 1,300 1,100 2,700 »
<br /> 06/12189 -14.67 16.91 20,000 4,400 1,600 2,900 5,900 -
<br /> 09/07/89 -15,14 18.38 20,000 4,100 480 920 1,500 -
<br /> 12/18/89 -15.36 17.60 17,000 4,200 200 17 1,200 -
<br /> 03/20/90 -14.98 17.22 13,000 6,400 580 2,200 1,200 -
<br /> 07103/90 -15.80 18.04 17,000 4,800 410 1,300 1,200 -
<br /> 10/19/90 -17.10 19.34 16,000 4,800 290 1,700 700 -
<br /> 10119/90 (D) - - 17,000 5,600 270 1,700 660 -
<br /> 01/17/91 -16.80 19.04 10,000 3,100 38 950 170 -
<br /> 01/17191 (D) - - 9,800 3,200 39 980 170 -
<br /> 03/19/91 - -- 16,000 2,900 45 960 290 -
<br /> 07/18/91 -16.96 19.20 12,000 3,300 90 1,100 250 --
<br /> 07/18/91 (D) - -- 12,000 3,300 90 1,100 250 -
<br /> 10/31/91 -17.38 19.62 9,800 2,600 18 720 180 --
<br /> 01/16/92 -16.58 18.62 12,000 3,600 54 960 370 -
<br /> 03/11192 -15.38 17.62 - » - - _
<br /> 03/17192 -15.36 17.60 9,800 3,600 150 700 360 »
<br /> 06/29192 -16.98 19.22 7,700 3,000 33 600 230
<br /> 12//0192 -17.52 19.76 4,900 1,300 26 220 130 -
<br /> 02/04/93 -10.42 12.66 15,000 3,100 70 920 540 -
<br /> 05/18/93 -13.62 15.86 8,800 1,900 120 730 840 -
<br /> 08/05193 -14.50 16.74 29,000 9,400 1,800 2,900 4,900 -
<br /> 11/09/93 -15.00 17.24 13,000 3,600 110 810 870 -
<br /> . 01/18/94 -14.74 16.98 24,000 5,600 100 1,900 2,300 -
<br /> 06127/94 -14.01 16.25 8,400 2,300 59 520 700
<br /> 09/29/94 -15.20 17.44 9,600 2,100 25 530 590 -
<br /> 12108/94 -14.78 17.02 5,700 1,300 19 290 260 -
<br /> 03/08/95 -12.52 14.76 4,600 1,100 <25 230 280
<br /> 06/01/95 -10.99 13.23 27,000 4,100 300 1,800 4,000 -
<br /> 09/11/95 -12.93 15.17 12,000 2,400 140 790 1,900 -
<br /> 12/05/95 -13.46 15.70 8,800 2,500 32 450 710 -
<br /> 03/18/96 -9.21 11.45 5,000 670 30 180 490 -
<br /> 06/18/96 -9.36 11.60 30,000 2,300 260 2,200 7,000 84
<br /> 09124/96 -11.21 13.45 30,000 2,000 46 1,800 3,700 67
<br /> 12/04196 -10.76 13.00 7,700 800 11 510 570 67
<br /> 02/25/97 -6.50 8.74 27,000 1,600 520 1,800 6,300 52
<br /> 05/06/97 401 10.25 500 3.9 2.4 2.8 140 9.0
<br /> 09/29/97 -10.18 12.42 1200 4.0 1.3 13 24 430
<br /> 11125/97 -10.21 12.45 1100 6.5 <5.0 33 18 67
<br /> 03126/98 -3.87 6.11 380 1.1 <0.5 6.1 39 91
<br /> 06/24/98 -5.73 7.97 2,900 <5.0 <5.0 51 200 26
<br /> 09110/98 -7.59 9.83 950 4.8 11 23 42 320
<br /> 12/17/98 -7.79 10.03 330 2.5 0.52 4.5 31 270
<br /> 03/10/99 -6.38 8.62 550 3.2 1.1 11 54 7.7
<br /> 06/22/99 -8.20 10.44 <50 <0.5 <0.5 <0.5 <0.5 <2.0
<br /> 09/13/99 -8.91 11.15 87 0.77 <0.5 0.91 2.6 49
<br /> 12/16/99 -8.92 11.16 <100 <1.0 <1.0 0.0 2.2 502
<br /> 03/01100 -463 6.87 90.7 <0.5 <0.5 2.18 8,5 15
<br /> 06/13100 -6.27 8.51 70.8' <0.500 <0.500 1.40 2.94 <5.00
<br /> 09/13/00 -8.22 10.46 <50.0 <0.500 <0.500 <0,500 <0.500 <5.00
<br /> 12/14100 -7.85 10.09 60.64 <0.500 <0.500 <0,500 <1.50 217
<br /> 03/02/01 (S) -6.16 8.40 <50 <0.50 <0.50 <0.50 <0.50 97011,3008
<br /> 03/02/019 (K) -6.16 8.40 <200 <2.0 <2.0 <2.0 <2.0 970
<br /> 05/10/01 -5.73 7.97 <250 <2.5 <2.5 <2.5 <2.5 2,100
<br /> 08121/01 -8.54 10.78 <250 <2,5 <2.5 <2.5 <2.5 1,700
<br /> 12105/01 -8.14 10.38 120 <0.5 <0.5 <0.5 0.5 170
<br /> 03/11/02 -5.94 8.18 96 <0.5 <0.5 0.6 0.6 2,200
<br /> O6107102 -6.83 9.07 160. <1. <1. 1. 1. 1,700.
<br /> 09/24/02 -8.93 11.17 94. <1. <1. <1. <1. 2,500
<br /> 1:}Chevron5942755Periodic Monitoring%Q M R194275_QMR,xls 1 of 12
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