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• Temperature • Chloride <br /> • Electrical Conductivity • Sulfate <br /> • pH • Nitrate-Nitrogen <br /> tTurbidity • Calcium <br /> • Total Dissolved Solids • Magnesium <br /> • Carbonate Alkalinity • Sodium <br /> • Bicarbonate Alkalinity • Potassium <br /> • VOCs <br /> i <br /> Surface water samples are also analyzed for the following COCs every 5 years: <br /> • Total Organic Carbon <br /> • Inorganics (dissolved) <br /> • VOCs (extended list) <br /> • Semi-Volatile Organic Compounds <br /> • Chlorophenoxy Herbicides <br /> • Organophosphorous Compounds <br /> Surface water samples were last analyzed for CDCs during the first quarter 2009 monitoring <br /> event. (Table 3) <br /> Leachate <br /> Leachate samples are collected monthly from the sump under module 1. Field parameters <br /> measured monthly include: <br /> • Total flow <br /> ® pH <br /> • Flow rate <br /> • Electrical Conductivity <br /> Leachate samples are analyzed annually for the following parameters as specified in the WDRs: <br /> • Chloride • Nitrate-Nitrogen <br /> 1 • Total Dissolved Solids (TDS) • Sulfate <br /> • Calcium • Potassium <br /> • Magnesium • Sodium <br /> • Carbonate Alkalinity • Bicarbonate Alkalinity <br /> • VOCs • <br /> Leachate samples are analyzed for the following COCs every 5 years: <br /> Foothill Sanitary Landfill 6 Department of Public Works/Solid Waste <br /> 18"Semester 2009 Groundwater Monitoring County of San Joaquin—July 31,2009 <br />