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i <br /> TABLE 2 <br /> GROUNDWATER ANALYTICAL DATA <br /> Knowles-Roek <br /> • Stockton, California <br /> ' Page 10 of 10 <br /> (1n parts per billion) <br /> Well Date TPHg B T E X MTBE <br /> VW-3 11/18/97 -- -- -- -- <20 <br /> 2/25/98 5,800 200 370 150 1,400 <5 0 <br /> ' 212100 2,100 92 15 13 40 <5 0 <br /> 5111100 850 61 15 47 12 <5 0 <br /> 8/17/00 210 09 06 1 2 45 <5 0 <br /> ' 11/20/00 2,400 110 58 85 190 <5 0 <br /> 3/8/01 2,300 77 63 110 79 <10 <br /> 5/25101 9,900 75 73 280 760 -<20 <br /> ' VW-4 11/18/97 -- -- -- -- <50 <br /> 2125/98 140 12 1 9 24 10 <5 0 <br /> 5/ll/00 750 22 41 10 47 <5 0 <br /> 8/16/00 3,000 34 95 32 22 <5 0 <br /> 11/20/00 3,500 77 16 54 110 <10 <br /> 3/8/01 2,000 33 99 16 28 <10 <br /> ' IL 5/25/01 3,200 59 1 18 52 120 1 <4 0 <br /> VW-5 2/2/00 2,200 25 13 28 12 <5 0 <br /> 2/2/00 800 12 2 4 2 6 17 <5 0 <br /> ' 5/11/00 920 is 35 47 78 <5 0 <br /> 8/16/00 1,100 8 6 2 9 76 32 <5 0 <br /> 11/20100 400 13 1.8 6.8 7.7 <5 0 <br /> ' 3/8/O1 660 3.9 to 51 17 <2 0 <br /> 5/24/01 940 82 2 3 10 33 <2 0 <br /> VW-6 11/18/97 -- -- -- -- -- <135 <br /> 2125/98 14,000,000 6,600 43,000 100,000 720,000 <30 <br /> 2/3/00 28,000 420 840 410 2,600 <50 <br /> _T11-1/00 11,000 410 920 250 1,400 <100 <br /> ' 8/17/00 35,000 640 1,200 700 4,100 <100 <br /> 11/21/00 43,000 580 1,700 710 3,900 <40 <br /> 318/01 63,000 1,500 8,900 1,200 7,200 <100 <br /> ' 5/25/01 6&Q2L_L 1,200 9 000 1,500 9 000 <100 <br /> NOTES• <br /> TPHgT Total petroleum hydrocarbons as gasoline <br /> BTEX Benzene,Toluene,Ethylbenzene,total Xylenes <br /> MTBE = Methyl tert-butyl ether <br /> ' < _ Less than indicated detection limit <br /> Not Analyzed <br />