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TABLE 2 <br /> GROUNDWATER ANALYTICAL DATA <br /> Knowles-Roek <br /> Stockton, California <br /> . Page 5 of 15 <br /> (in parts per billion) <br /> Well Date TPHg Benzene Toluene Ethylbenzene xylenes MTBE <br /> MW-5 2/4/00 171000 2,400 31 490 880 <5 0 <br /> Cont'd 5/9/00 16,000 2,200 27 710 1,200 <5 0 <br /> 8/16100 32,000 3,900 76 1,600 3,200 <25 <br /> 11/21/00 32,000 2,600 120 1,000 1,500 <100 <br /> 3/8/01 22,000 1,800 81 1,100 1,500 <100 <br /> 5/24/01 25,000 2,800 97 1,500 1,700 <40 <br /> 8/30101 21,000 1,800 180 940 1,400 <40 <br /> 12/7101 17,000 2,200 270 770 1,100 <20 <br /> 2/21/02 11,000 1,400 150 580 790 <2 0 <br /> 5/22/02 28,000 3,300 360 1,300 2,000 <20 <br /> 8/27/02 36,000 4,000 480 1,200 2,200 <10 <br /> 11/13/02 7,500* 610 68 200 290 <20 <br /> 2120/03 18,000 1,500 88 550 750 <20 <br /> 5/29/03 24,000 2,200 140 1,200 1,300 <20 <br /> 8/27/03 13,000 1,000 70 300 400 <20 <br /> MW-6 5/16/95 440 47 18 1.8 10 -- <br /> 11/9/95 540 66 83 12 21 -- <br /> . 2/8/95 520 <0 5 <0 5 <0 5 3.0 -- <br /> 4/24/96 950 43 43 3.8 29 -- <br /> 8/7/96 250 <0 5 <0 5 <0 5 <0 5 -- <br /> 11/5/96 270 7.8 <0 5 <0 5 <0 5 -- <br /> 2/5/97 310 4.5 <0 5 <0 5 <0 5 -- <br /> 5/7197 240 6.8 <0 5 <0 5 <0 5 -- <br /> 7/23/97 140 12 <0 5 <0 5 <0 5 <5 0 <br /> 11/19/97 120 <0 5 <0 5 <0 5 <0 5 <5 0 <br /> 2/26/98 110 <0 5 <0 5 <0 5 <0 5 <5 0 <br /> 5/6/98 170 <0 5 <0 5 <0 5 18 -- <br /> 8/11/98 120 <0 5 <0 5 <0 S <0 5 -- <br /> 11/11/98 <50 <0 5 <0 5 <0 5 <0 5 -- <br /> 2/11/99 <50 <0 5 <0 5 <0 5 <0 5 -- <br /> 5/4/99 <50 <0 5 <0 5 <0 5 <0 5 -- <br /> 814/99 <50 <0 5 <0 5 <0 5 <0 5 -- <br /> 11/17/99 <50 <0 5 <0 5 <0 5 <0 5 <5 0 <br /> 213/00 130 22 <05 <05 <05 <50 <br /> 519/00 71 15 <0 5 <0 5 <0 5 <5 0 <br /> 8/15/00 88 16 <0 5 <0 5 <0 5 <5 0 <br /> 11/21/00 120 1.4 <0 5 <0 5 <0 5 <5 0 <br /> 3/7/01 <50 0.9 <0 5 <0 5 <0 5 <2 0 <br />