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TABLE 2
<br /> GROUNDWATER ANALYTICAL DATA
<br /> Knowles-Roek
<br /> Stockton, California
<br /> • Page 3 of I I
<br /> (in parts per billion)
<br /> Well Date I TPHg I Benzene Toluene Ethylbenzene Xylenes MTBE
<br /> MW-4 05/16/95 <50 22 <0 5 <0 5 <0 5 --
<br /> 11/09/95 240 21 <0 5 <0 5 <0 5 --
<br /> 02/08/95 240 <0 5 <0 5 <0 5 29 --
<br /> 04/24/96 130 <0 5 <0 5 <0 5 <0 5 --
<br /> 08/07/96 210 <0 5 <0 5 <0 5 18 --
<br /> 11/05/96 480 <0 5 3.0 <0 5 <0 5 --
<br /> 02/05/97 560 76 <0 5 <0 5 <0 5 --
<br /> 05/07/97 260 58 <0 5 <0 5 <0 5 --
<br /> 07/22/97 970 360 <0 5 <0 5 <0 5 <5 0
<br /> 11/20/971 140,000 16,000 15,000 2,000 13,000 8,700
<br /> 12/16/97 150,000 20,000 16,000 2,300 15,000 14,000
<br /> 02/27/98 10,000 1,200 42 110 580 890
<br /> 05/06/98 870 53 <0 5 62 10 85
<br /> 08/12/98 12,000 5,500 <0 5 260 950 600
<br /> 11/11/98 75,000 10,000 1,300 1,400 8,800 7,000
<br /> 02/11/99 19,000 7,400 130 380 1,300 1,700
<br /> 05/04/99 24,000 11,000 90 600 1,600 3,400
<br /> 08/05/99 39,000 2.1,000 99 900 3,000 7,400
<br /> 11/I8/99 68,000 40,000 2.400 2,000 8,100 4,000
<br /> • 02/04/00 84,000 30,000 67 1,900 6,900 3,100
<br /> 05/09/00 88,000 30,000 <50 2,100 5,200 1,400
<br /> 08/16/00 160,000 39,000 84 3,100 6,500 1,600
<br /> 11/21/00 140,000 { 34,000 36 2,800 4,800 2,200
<br /> 03/08/01 95,000 27,000 29 2,500 2,500 1,500
<br /> 05/24/01 92,000 29,000 36 2,500 2,100 3,100
<br /> 08/30/01 67,000 17,000 67 2,200 2,300 3,200
<br /> 12/07/01 58,000 17,000 120 1,000 1,700 8,300
<br /> 02/21/02 40,000 18,000 120 760 700 10,000
<br /> 03/22/02 35,000 8,900 <12 5 860 510 15,000
<br /> 08/27/02 33.000 7.500 23 1,300 780 14.000
<br /> MW-5 05/16/95 12,000 1,400 42 890 520 --
<br /> 11/09/95 20,000 2,700 <25 1,900 1600 --
<br /> 02/09/95 14,000 F 1,400 <10 1,800 420 --
<br /> 04/25/96 19,000 1,700 43 1,500 750 --
<br /> 08/08/96 22,000 2,600 22 900 850 --
<br /> 11/06/96 25,000 3,200 20 1,300 1,200 --
<br /> 02/06/97 19,000 2,600 180 1,100 1,200 --
<br /> 05/08/97 179000 2,200 140 1,600 1,700 --
<br /> 07/23/97 20,000 3,800 51 1,200 1,700 <40
<br /> 11/20/97 20,000 3,800 42 1,200 1,5011 <5 0
<br /> 02/27/98 34,000 5,400 400 1,400 2,200 <30
<br /> 05/06/98 38,000 5,300 450 1,400 2,4011 --
<br /> 08/12/98 29,0011 6,600 230 1,600 2 400 --
<br /> •
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