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S <br /> Chevron U S A <br /> Page 7 <br /> TABLE II <br /> Concentrations of Petroleum Constituents in Soil <br /> (Concentrations measured in parts per million) <br /> Date Collected: <br /> June 7, 1990 <br /> Sample <br /> Y.D. Benzene Toluene Ethbnz. Xylenes T.P.H. <br /> 1 ABC N/D N/D N/D N/D N/D <br /> 2 ABC N/D N/D N/D N/D N/D <br /> 3 ABC N/D N/D N/D N/D N/D <br /> 4 ABC 0.50 0.50 0. 50 0.50 180 <br /> 5 ABC 0. 02 0. 02 0. 02 0. 02 17 <br /> 6 ABC N/D N/D N/D N/D N/D <br /> 7 ABC N/D N/D N/D N/D N/D <br /> 8 ABC 0 . 05 0. 33 0. 196 1. 21 99 <br /> 9 ABC N/D N/D N/D N/D N/D <br /> 10ABC N/D N/D N/D N/D N/D <br /> 11ABC N/D N/D N/D N/D N/D <br /> 12ABC N/D N/D N/D N/D 2 . 1 <br /> Minimum <br /> Detection Limit 0. 005 0. 005 0. 005 0. 015 10 <br /> Lecrend <br /> < - Less than T.P.H. -- Total Petroleum Hydrocarbons <br /> Ethbnz - Ethylbenzene n/d - Non-detected <br /> Certified analytical reports for tests results are included in Appendix A of this <br /> report The reports include analytical methods as well as method detection limits for <br /> each analysis <br />. 16000-250-044 <br /> D-\mEs S iv1ooRE <br />