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1.0 INTRODUCTION On behalf of Forward, Inc. (Forward), Geologic Associates (GLA)prepared this monitoring report for the closed French Camp Landfill, located on Manthey Road in San Joaquin County, California. This report was prepared in compliance with the requirements of the Central Valley Regional Water Quality Control Board (RWQCB) Monitoring and Reporting Program Order No. R5-2007-0046. This semiannual report presents the results of water quality monitoring and summarizes field activities completed at the French Camp Landfill between January 1 and June 30, 2012. Monitoring Network The detection monitoring program(DMP) network at the French Camp Landfill currently includes six groundwater monitoring wells,two piezometers, one leachate monitoring well, three surface water monitoring stations, two stream gauging stations, and eight soil- pore gas monitoring probes. The locations of the DMP network stations are shown on Figure 1 and summarized in the following table. Monitoring Point Monitoring Point I.D. DMP Groundwater Monitoring MW-6A, MW-7A Wells—Background DMP Groundwater Monitoring MW-8A,MW-9A,MW-913,MW-l0A Wells—Compliance Piezometers MW-5,MW-713 Leachate Monitoring Well MW-2 Soil-Pore Gas Probes SGP-lA, SGP-2A, SGP-3, SPG-4A, SGP-5A, SGP-6A,SGP-7A, SGP-8A Surface Water Stations SW-1,SW-2,and SW-3 Stream Gauging Stations SG-1 and SG-2 In accordance with WDR Order No. R5-2007-0046, soil-pore gas and groundwater monitoring are performed semiannually with quarterly determination of groundwater and surface water elevations. 2.0 STANDARD OBSERVATIONS The California Department of Resources Recycling and Recovery (Cal Recycle) conducted quarterly site inspections at the French Camp Landfill on February 9, and May 17, 2012. No notices of violation or areas of concern were identified during the inspections. Completed inspection forms are presented in Appendix A. Weekly site visits were conducted by French Camp Landfill personnel during the monitoring period. Records of the French Camp Landfill inspections are on file at the Republic Services Forward Landfill Field Office. Weekly site visit summary reports for the monitoring period are also presented in Appendix A. According to these weekly reports, the French Camp Landfill Operations Manager certifies that standard observations were conducted during the monitoring period and no areas of concern were noted(see signed "Certification Statement"included in Appendix A). CA2012-0027TC1SA12.doc 1 Geo-Logic Associates