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TABLE 2
<br /> GROUNDWATER ANALYTICAL DATA
<br /> Knowles-Roek
<br /> Stockton, Califomia
<br /> . Page 9 of 11
<br /> (¢n parts per billion)
<br /> Well Date TPHg Benzene Toluene Ethylbenzene Xylenes I MTBE
<br /> MW-13 11/09/95 65,000 11,000 5,200 2,100 8,200 j --
<br /> 02/09/95 170,000 12,000 32,000 3,700 18,000 --
<br /> 04/25/96 140,000 5,300 28,000 2,800 14,000 <1600
<br /> 08/08/96 160,000 6,000 30,001) 3,800 20,000 --
<br /> 11/06/96 130,000 4,800 32,000 2,000 22,000 --
<br /> 02/06/97 94,000 3,200 19,000 1,700 12,000 --
<br /> 05/08/97 90,000 4,200 18,000 3,400 20,000 --
<br /> 07/23/97 120,000 3,200 24,000 4,100 21,000 <200
<br /> 11/20/97 110,000 3,600 18,000 2,900 16,000 <5 0
<br /> 02/27/98 90,000 4,000 12,000 1,900 13,000 <30
<br /> 05/06/98 85,000 2,100 14,000 1,900 12,000 <60
<br /> 08/12/98 90,000 3,200 26,000 3,300 17,000 <50
<br /> 11/11/98 74,000 2,200 15,0011 2,300 14,000 <100
<br /> 02/12/99 80,000 2,900 18,000 3,000 15,000 <100
<br /> 05/04/99 84,000 1,800 17,000 2,600 13,000 <500
<br /> 08/05/99 79,000 1,600 15,000 2,300 11,000 <50
<br /> 11/18/99 66,000 970 12,000 1,700 8,800 <50
<br /> 02/04/00 60,000 290 7,800 1,700 7,900 <50
<br /> 05/10/00 76,000 690 13,000 2,700 14,000 <100
<br /> 08/16/00 44,000 430 3,200 1,500 4,800 <100
<br /> 11/21/00 150,000 4,000 15,000 3,400 17,000 <200
<br /> 03/08/01 86,000 500 12,000 2,800 15,000 <200
<br /> 05/24/01 92,000 650 10,000 3,400 18,000 <200
<br /> 08/30/01
<br /> 12/06/01
<br /> 02/20/02 Not Sampled
<br /> 05/22/02
<br /> 08/26/02
<br /> BIW-14 03/06/01 110,000 29,000 880 1,001) 2,500 24,000
<br /> 05/23/01 90,000 31,000 760 1,200 2,500 15,000
<br /> 08/30/01 80,000 26,000 530 830 1,700 3,100
<br /> 12/06/01 43,000 8,000 17 220 330 34,000
<br /> 02/21/02 82,000 24,000 180 710 1,300 70,000
<br /> 05/22/02 99,000 17,000 220 1,000 2,400 81,000
<br /> 08/27/02 70,000 19,000 70 480 800 140,000
<br /> VW-1 02/25/98 37,000 3,200 7,300 1,400 9,200 <5 0
<br /> 02/02/00 180,000 17,000 22,000 2,200 13,000 <50
<br /> 05/11/00 180,000 22,000 35,000 2,500 15,0011 <500
<br /> 08/17/00 120,000 14,000 191000 1,5()0 9,01)11 <250
<br /> 11/2I/00 260,000 22,000 36,000 2,700 17,00() <400
<br /> 03/08/01 240,000 23,000 44,000 3,300 18,000 <400
<br /> 05/25/01 230,01111 2€,000 42,000 3,100 19,000 <200
<br /> 08/30/01 200,000 22,000 36,000 2,700 18,000 <200
<br /> . 12/06/01 Not Sampled
<br /> ll 02/20/02
<br /> 05/23/02 21111000 23,001) 39,004 3,100 17,000 <1,000
<br /> 08/27/02 11111100 10,000 18,000 1,300 9,3110 <1000
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