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INTRODUCTION, <br /> San Joaquin County is submitting this second quarter 2001 monitoring report for the Foothill <br /> Sanitary Landfill (FSL)in compliance with Waste Discharge Requirements (WDR)Order No. <br /> 94-258. WDR's were issued by the California Regional Water Quality Control Board, Central <br /> Valley Region, on September 16, 1994. The FSL is a Class III landfill and only accepts Class III <br /> municipal solid waste. <br /> ' The FSL is located in eastern San Joaquin County on Waverly Road as shown on Figure 1. <br /> Presented below is a discussion of the groundwater and surface water monitoring programs and a <br /> description of the monitoring results. Waste Discharge Requirements also require the location <br /> ' and quantity of waste landfilled. See the map on page 3 for the location of waste landfilled, and <br /> waste quantity monitoring as follows: <br /> MONTH QUANTITY(TONS) <br /> March 2001IF 23,944 <br /> April 2001 23,320 <br /> Mav 2001 23,486 <br /> MONITORING <br /> Water quality monitoring was conducted consistent with WDR Order No. 94-258. Water <br /> sampling was performed by EMCON. The procedures used to collect samples during quarterly <br /> monitoring are detailed in Appendix A. Water sample field data sheets are contained in <br /> ' Appendix B. Chemical analyses were performed by Sequoia Analytical, a state-certified <br /> analytical laboratory. Certified analytical reports and chain-of-custody records are contained in <br /> ' Appendix C. <br /> GROUNDWATER NETWORK <br /> ' The groundwater well network consists of upgradient well MW-1 and downgradient wells MW-2 <br /> and MW-3;the locations of the groundwater monitoring wells are shown on Figure 3. Groundwater <br /> levels were measured and samples retrieved from all wells on April 30, 2001. All of the <br /> groundwater monitoring wells are equipped with dedicated purge and sampling pumps. <br /> 1 <br />