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R. H. KLEINFELDER &ASSOCIATES i <br /> 1 <br /> 3 <br /> 41 <br /> r� <br /> 6 RECO[Y MMATIONS E <br /> f <br /> 1. It is recommended that the vapor extraction system remain in operation <br /> and that field results be carefully monitored daily, especially after <br /> periods of extended shutdown. E <br /> ' <br /> 2. Once the vapor extraction system has successfully removed the € <br /> petroleum hydrocarbons from the unsaturated soil (indicqu-1 '.)y low PID a <br /> readings and actual lab analysis), confirmation soil samples should be <br /> collected and submitted for chemical analysis. <br /> 3 <br /> e — <br /> f <br /> j <br /> j <br /> 41-87-137 15 <br /> G <br />