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THIRD QUARTER 2007 GROUNDWATER TREATMENT FACILITY MONITORING REPORT <br /> FORWARD LANDFILL WDR ORDER NO.R5-2003-0080 <br /> detected.The GTF was restarted on August 17,2007,with permission from the CV Water <br /> Board. <br /> No VOCs were detected in the GTF effluent samples collected on July 2 and <br /> September 10,2007. <br /> Under WDR Order No. R5-2003-0080,influent sampling for pH,specific conductivity, <br /> turbidity,and VOCs is 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 not performed during third quarter 2007. <br /> A compact disc containing historical influent and effluent analytical,pH, and conductivity <br /> data from August 1994 to December 2006,was provided in the Fourth Quarter 2006 <br /> Groundwater Treatment Facility Monitoring Report(CH2M HILL,2007). In accordance with <br /> a conversation with CV Water Board staff,historical and 2007 analytical,pH,and conduc- <br /> tivity data will be provided on compact disc in the fourth quarter 2007 monitoring report <br /> (Atkinson,2006,personal communication). <br /> During fourth quarter 2007,effluent samples will be collected monthly and analyzed for pH, <br /> specific conductivity,and VOCs.One quarterly effluent sample will be analyzed for total <br /> dissolved solids. One annual effluent sample will be analyzed for dissolved inorganics. In <br /> addition,one set of influent samples will be analyzed for pH,specific conductivity, <br /> turbidity,and VOCs. <br /> 4.0 Works Cited <br /> Atkinson,Ross/Central Valley Regional Water Quality Control Board. 2006. Personal <br /> communication with John Burke/CH2M HILL.April 13. <br /> Burke,John/CH2M HILL. 2007.Personal communication with Ross Atkinson/Central <br /> Valley Regional Water Quality Control Board. August 15. <br /> CH2M HILL. 2007.Fourth Quarter 2006 Groundwater Treatment Facility Monitoring Report, <br /> Forward Landfill, WDR Order No. R5-2003-0080.January. <br /> RDD/072830006(CLR3709.DOC) 5 <br />