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TABLE 2
<br /> GROUNDWATER ANALYTICAL DATA
<br /> Knowles-Rock
<br /> Stockton, California
<br /> Page 1 I of 15
<br /> (in parts per billion)
<br /> Well Date TPHg Benzene Toluene Ethylbenzene Xylenes MTBE
<br /> MR`-13 n"m.9951 65,000 11,000 5,200 1 2,100 8,200
<br /> 2/9/1995 170,000 12,000 32,000 3,700 18,000 --
<br /> 4/25/1996 140,000 5,300 28,000 2,800 14,000 <1600
<br /> 8/8/1996 160,000 6,000 30'0003,800 20,000
<br /> 11/6/1996 130,000 4,800 32,000 2,000 22,000
<br /> 2/6/1997 94,000 3,200 19,000 1,700 12,000
<br /> 5/8/1997 90,000 4,200 18,000 3,400 20,000
<br /> 7/23/1997 120,000 3,200 24,000 4,100 21,000 <200
<br /> 11/20/1997 110,000 3,600 18,000 2,900 16,000 <5 0
<br /> 2/27/1998 90,000 4,000 12,000 1,900 13,000 <30
<br /> 5/6/1998 85,000 2,100 14,000 1,900 12,000 <60
<br /> 8/12/1998 90,000 3,200 26,000 3,300 17,000 <50
<br /> 11/11/1998 74,000 2,200 15,000 2,300 14,000 <100
<br /> 2/12/1999 80,000 2,900 18,000 3,000 15,000 <100
<br /> 5/4/1999 84,000 1,800 17,000 2,600 13,000 <500
<br /> 8/5/1999 79,000 1,600 15,000 2,300 11,000 <50
<br /> 11/18/1999 66,000 970 12,000 1,700 8,800 <50
<br /> 2/4/2000 60,000 290 7,800 1,700 7,900 <50
<br /> 5/10/2000 76,000 690 13,000 2,700 14,000 <100
<br /> 8/16/2000 44,000 430 3,200 1,500 4,800 <100
<br /> 11/21/2000 150,000 4,000 15,000 1 3,400 1 17,000 <200
<br /> 3/8/2001 86,000 500 12,000 2,800 15,000 <200
<br /> 5/24/2001 92,000 650 10,000 3,400 18,000 <200
<br /> . 130/0
<br /> 11/13/2002
<br /> 1/13/2000
<br /> 2 Not Sampled
<br /> 1/13/2003 Well Destroved
<br /> MW-13B 1/30/2003 76,000 3,600 12,000 1,200 5,800 <100
<br /> 2/21/2003 230,000 9,500 32,000 3,100 19,000 <200
<br /> 5/29/2003 180,000 9,800 31,000 3,000 18,000 <200
<br /> 8/28/2003 180,000 8,000 25,000 2,300 12,000 <200
<br /> 11/20/2003 150,000 12,000 38,000 3,100 19,000 <200
<br /> 2/27/2004 86,000 6,300 1 27,000 1,000 8,600 <200
<br /> 5/21/2004 99,000 9,100 26,000 2,600 16,000 <100
<br /> 8/26/2004 93,000 9,500 29,000 2,700 18,000 <200
<br /> 11/18/2004 86,000 7,700 24,000 2,200 14,000 <50
<br /> 2/23/2005 91,000 7,600 23,000 2,100 13,000 <200
<br /> 5/25/2005 Not Sampled
<br /> 8/18/2005 140,000 9,300 24,000 2,400 15,000 <200
<br /> 12/21/2005 60,000 5,200 12,000 1,900 12,000 <100
<br /> 3/7/2006 130,000 11,000 30,000 2,800 17,000 <50
<br /> MW-14 3/6/2001 110,000 29,000 880 1,000 2,500 24,000
<br /> 5/23/2001 90,000 319000 760 1,200 2,500 15,000
<br /> 8/30/2001 80,000 26,000 530 830 1,700 3,100
<br /> 12/6/2001 43,000 8,000 17 220 330 34,000
<br /> 2/2//2002 82,000 24,000 180 710 19300 70,000
<br /> 5/22/2002 99,000 17,000 220 1,000 2,400 81,000
<br /> 8/27/2002 70,000 19,000 70 480 800 140,000
<br /> 11/14/2002 49,000* 269000 71 590 760 210,000
<br /> 2/21/2003 72,000 20 000 93 660 900 110 000
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