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tM <br /> f ; <br /> Chevron U.S A. <br /> Page 10 <br /> Y <br /> On August 27, 1990, following 2.5 days of tilling, Mr. Harlan Knoll directed the <br /> gathering of three composite samples at the locations shown on Plate 5. Results of <br /> chemical analysis are presented in Table IV. <br /> t=� <br /> TABLE IV <br /> Concentrations of Petroleums Constituents in soil <br /> :a (concentrations measured in parts per million) <br /> Date Collacted: <br /> August 27. 1990 <br /> sample <br /> I•D• Benzene Toluene Ethbnz. Xvlenes T.P.H. <br /> 4 ABC <0.005 <0.005 <0.005 <0.015 <10 <br /> 5 ABC 0.04 0.17 0.03 0.08 <10 . <br /> 6 ABC <0.005 0.02 <0.005 <0.015 <IO <br /> Minimum <br /> hill Detection Limit 0.005 0.005 0.005 0.015 10 <br /> Legend: <br /> Less than T.P.H. - Total Petroleum Hydrocarbons <br /> Ethbnz - Ethylbenzene n/d - Non--detected <br /> r - <br /> 16000-250-044 <br /> MOane <br />