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Chevron U.S.A. - Page 12 <br /> 10.0 RESULTS OF CHEMICAL ANALYSIS <br /> A total of 25 soil samples, and 3 ground water samples were submitted to a <br /> State-approved laboratory for chemical analysis. Samples were analyzed to <br /> detect the presence and concentration of benzene, toluene, xylenes, total <br /> petroleum hydrocarbons as referenced to diesel and gasoline, an selected soil <br /> samples analyze& for organic lead and eChylene dibromide (EDB) . The result of <br /> those analyses have been summarized on Tables II and III as follows: <br /> TABLE II <br /> -- Concentration of Petroleum Constituents in Soil <br /> (Concentration are expressed in parts per million) <br /> Sa_ mple I.D. Benzene Toluene Xylenes Ethbnz. TPH LG TPH/D O.AB EDB <br /> B-1 11' n/d n/d n/d n/d n/d n/d <br /> B-1 0 16' 1.41 2.27 33.99 6.26 583.02 217.0 n/d n/d <br /> B-1 ® 21' n/d n/d n/d n/d n/d n/d <br /> B-1 0 26' n/d 0.13 n/d n/d n/d n/d <br /> B-1 @ 31' 0.08 0.11 n/d ' n/d n/d n/d <br /> B-1 0 41' --.n/d n/d n/d n/d n/d n/d " *' <br /> B-1 @ 50' n/d 0.10 n/d n/d n/d n/d <br /> B-1 @ 60' n/d 0.11 n/d n/d n/d n/d <br /> B-1 @ 70' n/d 0.10 n/d n/d n/d n/d <br /> B-1 @ 80' n/d n/d n/d n/d n/d n/d <br /> B--2 @ 11' 23.18 170.50 538.47 105.53 8228.34 472.0 <br /> B-2 @ 16' 3.21 11.70 26.98 4.97 420.49 25.0 n/d n/d <br /> B-2 R 21' 9.66 57.46 172.87 30.99 2553.85 164.0 <br /> B-2 @ 26' 0.09 0.10 n/d r./d n/d n/d <br /> B-2 @ 31' 0.28 0.40 0.35 0.07 n/d n/d <br /> &-2 a 55' n/d 0.10 n/d 7/d n/d n/d <br /> B-2 g 70' n/d 0.11 n/d n/d u/d n/d <br /> B-2 @ 85'. n/d n/d n/d n/d n/d n/d <br /> B-3 @ 11' n/d n/d n/d n/d n/d n/d <br /> ' . B-3 @ 16' n/d 0.11 n/d n/d n/d n/d n/d n/d <br /> _ 4. . B-3...@ 21' . . .._0.08. ..... .. 0.15. n/d n/d n/d . . .. nId_. ...* ... <br /> B-3 @ 31' n/d n/d n/d n/d n/d n/d <br /> B-3 @ 55' n/4 n/d n/d n/d n/d n/d <br /> `- B-3 @ 70` n/d 0.09 n/d n/d n/d n/d <br /> B-3 @ 80' n/d n/d n/d n/d n/d <br /> Legend: n/d - :ion-detected Ethlbnz. - Ethylbenzene * - Compound not <br /> "+ tested for TPH/G Total Petroleum Hydrocarbons .as referenced to,._lasoline <br /> _ O.pH -Organic Lead TPH/D - Total Petroleum Hydrocarbons as referenced to <br /> diesel SDB Ethylene dibromide <br /> +�. DAMES & MOORE <br />