Laserfiche WebLink
i <br /> } <br /> Chevron U.S-A, <br /> €a Page 5 <br /> 5.1 Soil �ion <br /> Aeration of stockpiled soil commenced following permitting. The San Joaquin <br /> County Air Pollution Control District permit allowed up to 540 cubic yards of soil to <br /> be aerated on any one day. Composite sampling and analysis of stockpiled soil was <br /> 4 <br /> used by the district to determine the maximum allowable yardage to be aerated. <br /> Results of composite sampling are presented in Table 1. <br /> L <br /> TABLE I <br /> Concentrations of Petroleum Constituents in Soil <br /> (Concentrations measured in parts per million) <br /> Date Collected: <br /> February 19, 1990 <br /> sample <br /> Benzene Toluene Bthbnz. Xylenes T.P.H. <br /> t Cl-A,B,C n/d 0. <br /> 007 n/d 0.006 1.1 <br /> C2-A,B,C <0.025 0.027 0.031 0.093 150 <br /> B C n/d 0.011 0.012 0.054 29 <br /> C3-A, , <br /> Minimum <br /> Detection Limit O.CO5 0.005 0.005 0.015 10 <br /> Lend: <br /> < - Less than <br /> Ethbnr. - Ethylbenzene <br /> T,p,g, - Total Petroleum Hydrocarbons <br /> n/d - Non-detected <br /> Certified analytical reports for all test results are included in Appendix A of <br /> de analytical methods as well <br /> this report. The reports incluas the method detection <br /> IA <br /> - -. - --limit for each analysis. -- - - — - - -.---- - <br /> 16000-250-044 - - - - - <br /> .. <br /> D.»tts s �10ORE <br />