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I <br /> 1 4 TABLE 2 <br /> GROUNDWATER ANALYTICAL DATA <br /> ' Knowles-Roek <br /> Stockton, California <br /> ' Page 10 of 10 <br /> (in parts per billion) <br /> ' Well Date TPHg B T E X MTBE <br /> VW-3 11/18/97 -- -- -- -- -- <20 <br /> 2/25198 5,800 200 370 150 1,400 <5 0 <br /> 212/00 2,100 92 1.5 13 40 <5 0 <br /> 5111100 850 61 1.5 4.7 12 <5 0 <br /> 8/17/00 210 09 0.6 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 /> 5125101 9,900 75 73 280 760 <2 0 <br /> ' 8/30/01 4,900 45 12 1 79 230 <4 0 <br /> VW-4 11/18/97 <50 <br /> 2/25/98 140 12 19 2.4 10 <5 0 <br /> ' 5111100 750 22 41 10 4 7 <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 /> 5125101 3,200 59 18 52 120 <4 0 <br /> 8/30101 Not Sampled <br /> VW-5 212/00 2,200 25 13 28 12 <5 0 <br /> 212/00 800 12 24 26 17 <5 0 <br /> 5111100 920 18 35 47 78 <5 0 <br /> 8116/00 1,100 8.6 2.9 76 32 <5 0 <br /> ' 11/20/00 400 13 18 68 77 <5 0 <br /> 3/8/01 660 3.9 10 5.1 17 <2 0 <br /> 5/24/01 940 8.2 23 10 33 <2 0 <br /> ' 1 8130/01 -- -- -Not Sampled <br /> VW-6 11/18/97 -- -- <br /> <135 <br /> 2/25/98 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 /> 5111100 11,000 410 920 250 1,400 <100 <br /> 8117100 1 35,000 640 1,200 700 4,100 <100 <br /> ' 11/21/00 43,000 580 1,700 710 3,900 <40 <br /> 3/8101 63,000 1,500 8,900 1,200 7,200 <100 <br /> 5/25/01 68,000 1,200 9,000 1,500 9,000 <100 <br /> ' 8/30/01 Not Sampled <br /> NOTES <br /> TPHg = 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 />