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' TABLE 2
<br /> GROUNDWATER ANALYTICAL DATA
<br /> Knowles-Roek
<br /> Stockton,California
<br /> Page 3 of 16
<br /> (in parts per billion)
<br /> ' Well Date TPHg Benzene_ Toluene Ethylbenzene Xylenes MTBE
<br /> MW-3 8/3/1999 5,100 3,200 27 32 130 1,400
<br /> Cont'd i[/17/1999 5,400 4,100 7.0 19 49 1,500
<br /> 2/3/2000 16,000 6,700 <20 50 28 4,000
<br /> 5/9/2000 22,000 9,600 11 37 11 3,800
<br /> 8/15/2000 4,800 3,000 2.8 11 3.3 1,200
<br /> 11/22.12000 36,000 10,000 15 1 28 31 2,600
<br /> 3/8/2001 16,000 4,400 8.9 11 5.8 1,200
<br /> 5/24/2001 27,000 11,000 17 31 13 3,800
<br /> 8/30/2001 12,000 3,500 6.2 10 6.9 2,000
<br /> 12/7/2001 72,000 21,000 310 540 1,100 17,000
<br /> 2/21/2002 1 30,000 15,000 310 170 150 15,000
<br /> 5/22/2002 38,000 11,000 17 1 42 17 34,000
<br /> 8/27/2002 36,000 12,000 19 47 49 24,000
<br /> 11/14/2002 35,000* 12,000 21 45 31 5,300
<br /> 2/20/2003 46,000 10,000 23 31 20 41,000
<br /> 5/30/2003 25,000 7,300 18 15 28 28,000
<br /> ' 8/28/2003 23,000 6,600 8.0 9.3 ll 34,000
<br /> 11/20/2003 33,000 13,000 250 58 290 48,000
<br /> 2/27/2004 26,000** 7,700 88 26 110 52,000
<br /> 5/21/2004 7,900 6,800 30 640 550 35,000
<br /> ' 8/26/2004 5,900 7,900 7.6 5.8 <2.5 25,000
<br /> 11/18/2004 89100 3,300 45.0 8.7 1 27 42,000
<br /> 2/24/2005 4,900 3,400 9.3 3.3 7.9 24,000
<br /> 5/25/2005 Not Sampled
<br /> '
<br /> 8/17/2005
<br /> 7/2005 --
<br /> MW-4 5/16119'35 <50 22 <0.5 <0.5 <0.5
<br /> 11/9/1995 240 21 <0.5 <0.5 <0.5 --
<br /> 2/8/1995 240 <0.5 <0.5 <0.5 2.9
<br /> 4/24/1996 130 <0.5 <0.5 <0.5 <0.5
<br /> 8/7/1996 210 <0.5 <0.5 <0.5 1.8 -
<br /> 11/5/1996 480 <0.5 3.0 <0.5 <0.5
<br /> 2/5/1997 560 76 <0.5 <0.5 <0.5 --
<br /> 5/7/1997 260 5.8 <0.5 <0.5 <0.5
<br /> 7/22/1997 970 360 <0.5 <0.5 <0.5 <5.0
<br /> 11/20/1997 140,000 16,000 15,000 2,000 13,000 8,700
<br /> 12/16/1997 150,000 20,000 16,000 2,300 15,000 14,000
<br /> 2/27/1998 1 10,000 1,204 1 4.2 110 580 890
<br /> 5/6/1998 870 53 <0.5 6.2 10 85
<br /> ' 8/12/1998 12,000 5,500 <0.5 260 950 600
<br /> 11/11/1998 75,000 10,000 1,300 1,400 8,800 7,000
<br /> 2/11/1999 19,000 7,400 130 380 1,300 1,700
<br /> 5/4/1999 24,000 11,000 90 600 1,600 3,400
<br /> 8/5/1999 1 39,000 24,000 99 900 3,000 7,400
<br /> 11/18/1999 68,000 40,000 2,400 2,000 8,100 4,000
<br /> 2/4/2000 84,000 30,000 67 1,900 6,900 3,100
<br /> 5/9/2000 88,000 30,000 <50 21100 5,200 1,400
<br /> ' 8/16/2000 160,000 39,000 84 3,100 6,500 1,600
<br /> 11/21/2000 140,000 34,000 36 2,800 4,800 2,200
<br /> 3/8/2001 l 95,000 27,000 29 2,500 2 500 ___1,500
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