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<br /> TABLE 2
<br /> GROUNDWATER ANALYTIC-kL DATA
<br /> Knowles-Rock
<br /> • Stockton, California
<br /> Page 12 of 15
<br />' (in parts per billion)
<br /> well '. Date - TPHg ' Benzene Toluene` EtbyIbenzene Xylenes MTBE
<br />' MW-15A 11/19/2003 <50 <0 5 <0 5 <0 5 <10 69
<br /> Cont'd 2/25/2004 <50 <0 5 <0 5 <0 5 <1 0 93
<br /> 5/20/2004 <50 <0 5 <0 5 <0 5 <1 0 46
<br />'
<br /> 8/24/2004 <50 <0 5 <0 5 <0 5 <1 0 30
<br /> 11/17/2004 <50 <0 5 <0 5 <0 5 <1 0 <2 0
<br /> 2/22/2005 <50 <0 5 <0 5 <0 5 <10 <0 5
<br />' MW-158 1/30/2003 220 <0 5 11 <0 5 1 1 76
<br /> 2/19/2003 280 <0 5 <0 5 <0 5 <1 0 86
<br /> 5/28/2003 110 <0 5 <0 5 <0 5 <1 0 190
<br /> 8/27/2003 100 <0 5 <0 5 <0 5 <1 0 320
<br />' 11/19/2003 <50 <0 5 <0 5 <0 5 <1 0 440
<br /> 2/25/2004 <50 <0 5 <0 5 <0 5 <1 0 400
<br /> 5/20/2004 <50 <0 5 <0 5 <0 5 <1 0 300
<br />' 8/24/2004 100** <0 5 <0 5 <0 5 <1 0 450
<br /> 11/17/2004 <50 <0 5 <0 5 <0 5 <1 0 940
<br /> 2/22/2005 54 <0 5 <0 5 <0 5 1 6 600
<br /> MW-15C 1/30/2003 58 12 76 08 52 <2 0
<br /> 2/19/2003 <50 <0 5 <0 5 <0 5 <1 0 <2 0
<br /> 5/28/2003 <50 05 17 <0 5 1 6 <2 0
<br /> 8/27/2003 <50 <0 5 <0 5 <0 5 <1 0 <2 0
<br /> • 11/19/2003 <50 <0 5 <0 5 <0 5 <1 0 <2 0
<br /> 2/25/2004 <50 <0 5 <0 5 <0 5 <1 0 <2 0
<br /> 5/20/2004 <50 <0 5 <0 5 <0 5 <1 0 <2 0
<br /> 8/24/2004 <50 _<0_5 <0 5 <0 5 <1 0 <2 0
<br /> 11/17/2004 <50 1 <0 5 <0 5 <0 5 <1 0 <2 0
<br /> 2/22/2005 <50 <0 5 <0 5 <0 5 <1 0 <0 5
<br />' MW-16A 1/30/2003 30,000 9,900 27 82 60 2,500
<br /> 2/19/2003 34,000 6,800 23 49 42 2,900
<br /> 5/29/2003 19,000 6,000 20 22 49 1,300
<br />' 8/27/2003 23,000 5,500 20 22 52 1,400
<br /> 11/20/20031 21,000 7,300 17 38 46 3,300
<br /> 2/26/2004 22,000 5,900 53 67 150 1,500
<br /> 5/21/2004 14,000 8,500 34 65 360 760
<br /> 8/26/2004 10,000 6,300 82 18 27 580
<br /> 11/17/2004 12,000 6,000 48 98 71 960
<br /> 2/23/2005 7,300 5,800 32 20 31 4,700
<br /> MW-163 1/30/2003 33,000 1,500 4,600 690 3,700 170
<br /> 2/19/2003 31,000 1,300 3,100 120 3,300 260
<br /> 5/29/2003 27,000 1,900 3,000 130 3,500 87
<br /> 8/27/2003 27,000 1,700 2,700 150 1,800 120
<br /> 11/20/2003r26,000
<br /> 000 2,300 5,700 680 3,800 140
<br /> 2/26/2004000 750 2,100 280 1,600 <40
<br /> 5/21/2004000 1,800 3,600 270 3,400 <20
<br /> 8/25/2004 2,800 5,800 390 4,900 <100
<br /> 11/17/2004000 2,700 4,500 930 4,900 14
<br /> 2/23/2005000 4,700 12,000 1,500 $,000 <!00
<br /> VW-1 2/25/1998 37,000 3,200 7,300 1,400 9,200 <5 0
<br /> 2/2/2000 180,000 17,000 22,000 2,200 13,000 <50
<br /> 5/11/2000 180,000 22,000 35,000 2,500 15,000 <500
<br /> 8/17/2000 120,000 14,000 19,000 1,500 9,000 <250
<br /> 11/21/2000 260,000 22,000 36,000 2,700 17,000 <400
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