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FOURTH QUARTER 2007 GROUNDWATER TREATMENT FACILITY MONITORING REPORT <br /> FORWARD LANDFILL WDR ORDER NO.R5-2003-0080 <br /> Under WDR Order No.R5-2003-0080,influent sampling for pH,specific conductivity, <br /> turbidity,and VOCs are performed semiannually.Influent samples are collected from a <br /> sample port in the header pipe adjacent to the air stripper.Semiannual influent monitoring <br /> was conducted on November 2,2007.Table 3 presents the results of the influent monitoring <br /> performed during fourth quarter 2007.Appendix A contains the influent monitoring field <br /> sampling logs and laboratory results for fourth quarter 2007. <br /> As required by the current WDRs,historical influent and effluent analytical results (detected <br /> analytes only) are tabulated on a compact disc in Appendix B. Appendix B also contains <br /> historical influent and effluent pH and conductivity data.The Appendix B data cover the <br /> period from August 1994 to December 2007.The results are drawn from a CH2M HILL <br /> database and historical reports. <br /> RDD/080180002(NLH3684.DOC) 3 <br />