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TABLE 7 <br /> ' LABORATORY ANALYSIS OF SOIL GAS FROM SELECTED WELLS <br /> (concentrations in Molar parts per million) <br /> ' Total <br /> lrocatiox; ppmv)6 Hcnzenc Talrettc, Ethylbenzene Xylenes; TPHg°: <br /> Prior to Flow Testing <br /> ' MW-3 >10,000.0 6.4 3.1 0.57 3.2 140 <br /> VW-la 12,000.Od 140 350 73 330 5,500 <br /> VW-ib 25,0OO.Od 1,400 1,300 98 450 23,000 <br /> ' VW-2a >10,000.0 340 940 120 490 12,000 <br /> VW-2b >10,000.0 1,000 980 80 440 18,000 <br /> VW-31b 3,000.0 94 20 2.5 21 4,500 <br /> VW-4a 1,000.0 32 53 6.6 54 800 <br /> ' V`W-4b 20,000.04 70 18 2.2 27 14,000 <br /> At End of Flow Testing <br /> VW-2a 400 880 100 440 10,000 <br /> ' VW-2b 790 850 74 420 15,000 <br /> 'TVH = Total volatile hydrocarbons. <br /> bppmv = parts per million as methane on a volume/volume basis. <br /> `CPHg.= Total petroleum hydrocarbons as gasoline. <br /> dSample diluted with ambient air; result is approximate. <br /> f <br /> 1 <br />