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WHOM <br /> ' Chewon USA. <br /> { Page 5 <br /> 5.1 Soil Aeration_Permitting <br /> {S:e <br /> Aeration of stockpiled soil commenced following permitting. The San Joaquin <br /> i County Air Pollution Control District permit allowed up to 540 cubic yards of soil to <br /> r be aerated on any one day. Composite sampling and analysis of stock--piled sail was <br /> used by the district to determine the maximum allowable yardage to be aerated. <br /> s. <br /> 5 Results of composite sampling are presented in Table I. <br /> rR <br /> TABLE T <br /> �s Concentrations of Petroleum Constituents in Soil <br /> is (Concentrations measured in parts per million) <br /> Date Collected: <br /> li February 19, 1990 <br /> s ampl e <br /> T.D. Benzene Toluene Ethbnz. Xylenes T.P.H. <br /> Cl-A,B,C n/d• - 0.007 n/d .0.006 1.1 <br /> r C2-A,9,C <0.025 0.027 0.031 0.093 150 <br /> C3-A,B,C n/d 0.011 0.012 0.054 29 <br /> f Minimum <br /> Detection Limit 0.005 0.005 0.005 0.015 10 <br /> Legend: <br /> j <br /> < - Less than <br /> Ethbnz - Ethylbenzene <br /> r T.P.H. - Total Petroleum Hydrocarbons <br /> n/fl - Non-detected <br /> Certified analytical reports for all test results are included in Appendix A of <br /> this report. The reports include analytical methods as well as the method detection <br /> limit for each analysis. <br /> • zs000-iso-acc , <br /> DANILt <br />