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TABLE 2
<br /> GROUNDWATER ANALYTICAL DATA
<br /> Knowles-Roek
<br /> Stockton,California
<br /> Page 3 of 15
<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 11/17/1999 5,400 4,100 70 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 28 11 33 1,200
<br /> 11/22/2000 36,000 10,000 15 28 31 2,600
<br /> 3/8/2001 16,000 4,400 89 11 98 1,200
<br /> 5/24/2001 27,000 11,000 17 31 13 3,800
<br /> 8/30/2001 12,000 3,500 62 10 69 2,000
<br /> 12/7/2001 72,000 21,000 310 540 1,100 17,000
<br /> 2/2J/2002 30,000 15,000 310 170 150 15,000
<br /> 5/22/2002 38,000 11,000 17 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 289000
<br /> 8/28/2003 23,000 6,600 8 0 93 11 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 1 30 640 550 35,000
<br /> 8/26/2004 5,900 7,900 76 58 <2 5 25,000
<br /> 11/18/2004 8,100 3,300 450 1 81 27 42,000
<br /> 2/24/2005 4,900 3,400 93 33 79 24,000
<br /> • 5/25/05-
<br /> 3/7/2006 Not Sampled
<br /> MW-4 5/16/1995 X50 22 -,05 <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 <05 29
<br /> 4/24/1996 130 <0 5 <0 5 <0 5 <0 5
<br /> 8/7/1996 210 <0 5 <05 <0 5 18
<br /> 11/5/1996 480 <0 5 30 <0 5 <0 5
<br /> 2/5/1997 560 76 <0 5 <0 5 <0 5
<br /> 5/7/1997 260 58 <0 5 <0 5 <0 5 --
<br /> 7/22/1997 970 360 <0 5 <05 <05 <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 10,000 11200 42 110 580 890
<br /> 5/6/1998 870 53 <05 62 10 85
<br /> 8/12/1998 12,000 5,500 <05 260 950 600
<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 39400
<br /> 8/5/1999 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 39100
<br /> 5/9/2000 88,000 30,000 <50 1 27,100 5,200 1,400
<br /> 8/16/2000 1 160,000 39,000 84 3,100 6,500 1,600
<br /> 11/21/20001 140,000 34,000 36 2,800 4,800 2,200
<br /> 3/8/2001 1 95,000 27 000 29 2 500 2 500 1,500
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