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Table 1
<br /> Groundwater Elevation and Analytical Data
<br /> Chapin Brothers
<br /> 1766 Monte Diablo Avenue
<br /> Stockton,California
<br /> Well ID# Sampling DTW GW Elev. TPH-g B T E X
<br /> (TOC) Date (feet) (feet) <---------------------------------ug/------------------------------>
<br /> MW-4 1/13/1994 22.60 -16.86 170,000 45,000 40,000 <3,000 12,000
<br /> (5.74) 6/14/1994 21.80 -16.06 100,000 23,000 25,000 2,900 15,000
<br /> S1=15'-35'bgs 7/1/1994 22.34 --- 100,000 24,000 24,000 2,200 12,000
<br /> 1/12/1995 22.90 -17.16 -- --- --- --- ---
<br /> 4/19/1995 20.21 -14.47 -- --- --- --- ---
<br /> 7/29/1995 19.86 -14.12 140,000 23,000 31,000 34,000 17,000
<br /> 3/20/1996 18.04 -12.30 70,000 23,000 19,000 750 3,800
<br /> 6/26/1996 17.16 -11.42 190,000 26,000 33,000 3,800 18,000
<br /> 1/21/1997 15.82 -10.08 120,000 20,000 24,000 3,300 16,000
<br /> 4/30/1997 14.18 -8.44 100,000 15,000 18,000 2,600 13,000
<br /> 8/21/1997 15.34 -9.60 70,000 9,700 11,000 1,700 12,000
<br /> 12/4/1997 15.27 -9.53 78,000 12,000 10,000 1,700 13,000
<br /> 3/31/1998 10.41 -4.67 43,000 5,100 7,000 1,300 6,300
<br /> 6/30/1998 10.38 -4.64 30,000 2,700 4,800 850 3,900
<br /> 9/30/1998 11.78 -6.04 21,000 3,300 3,800 320 3,400
<br /> 12/30/1998 11.62 -5.88 4,800 1,100 540 83 950
<br /> 3/30/1999 10.88 -5.14 500 65 46 2.9 80
<br /> 6/30/1999 11.15 -5.41 4,000 740 450 55 480
<br /> 10/6/1999 12.65 -6.91 9;100 1,700 380 200 970
<br /> 12/29/1999 12.94 -7.20 16,000 4,900 410 410 1,900
<br /> 4/7/2000 9.89 4.15 17,000 4,300 190 300 1,200
<br /> 7/31/2000 11.32 -5.58 3,900 720 130 88 440
<br /> 11/2/2000 12.61 -6.87 480 130 8.9 8.2 29
<br /> 5/3/2001 11.17 -5.43 12,000 2,600 230 430 1,800
<br /> 9/8/2001 13.49 -7.75 26,000 5,600 190 910 1,600
<br /> 1/25/2002 12.23 -6.49 1,200 3,800 33 320 430
<br /> 2/1/2002 12.23 -6.49 --- --- --- --- ---
<br /> 5/30/2002 13.56 -7.82 13,000 3,800 <5.0 310 200
<br /> 9/9/2002 15.99 -10.25 2,200 58 1.3 58 15
<br /> 1/9/2003 15.45 -9.71 980 50 <0.5 <0.5 <0.5
<br /> 4/21/2003 14.62 -8.88 260 3.6 <0.5 <0.5 <0.6
<br /> 8/1/2003 16.20 -10.46 1,200 8.4 6.7 5.5 160
<br /> 11/28/2003 16.21 -10.47 330 <0.5 <0.5 7.7 13
<br /> 12/18/2004 15.12 -9.38 1,800 7.0 2.4 27 5.6
<br /> 5/10/2005 11.92 -6.18 2,500 23 23 160 116
<br /> 5/11/2005 --- --- 5,800 14 34 280 230
<br /> 8/10/2005 12.74 -7.00 <50 15 <0.5 <0.5 <0.6
<br /> 10/25/2005 13.90 -8.16 4,000 1,000 14 61 <0.6
<br /> 1/17/2006 12.79 -7.05 3,900 500 20 20 17
<br /> 6/2/2006 9.85 -4.11 3,100 130 12 13 10
<br /> 6/2/2006 9.85 -4.11 860 90 6.9 12 8.8
<br /> (6.30) 11/6/2006 12.64 -6.34 2,400 1,600 24 22 30
<br /> 2/26/2007 12.26 -5.96 2,300 1,300 28 42 55
<br /> 5/21/2007 12.31 -6.01 . 11,000 1,700 45 49 64
<br /> 8/9/2007 13.35 -7.05 18,000 3,400 39 67 101
<br /> 11/29/2007 14.80 -8.50 32,000 3,400 180 1,000 1,330
<br /> 2/28/2008 13.67 -7.37 30,000 1,600 140 900 1,017
<br /> 6/26/2008 14.37 -8.07 30,000 1,600_ 130 380 550
<br /> 9/17/2008 16.05 -9.75 45,000 6,000 150 1,100 1,212
<br /> 12/15/2008 15.33 -9.03 30,000 1,700 24 180 163
<br /> 7/31/2009 14.18 -7.88 12,000 5,600 37 32 22
<br /> 2/12/2010 14.60 -8.30 9,000 2,400 96 340 519
<br /> 7/20/2010 12.84 -6.54 740 33 1.1 0.84 2.1
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<br /> Chapin Brothers Closure Solutions Inc.
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