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Monitoring and Reportinb_..ogram No. g <br /> J.R. Simplot Company <br /> Lathrop, San Joaquin County <br /> Table 5 <br /> Storm Water Surface Impoundment Monitoring <br /> Report in Sampling <br /> Parameter/Constituent Units of Frequency <br /> Minimum Freeboard Tenths of feet Quarterly <br /> Flow Estimate Cubic Feet/Second Monthly <br /> pH Standard pH units Monthly <br /> Specific Conductivity) µmhos/cm Monthly <br /> Total Dissolved Solids mg/L Monthly <br /> Sodium mg/L Monthly <br /> Chloride mg/L Monthly <br /> Sulfate mg/L Monthly <br /> Nitrate mg/L Monthly <br /> Phosphate mg/L Monthly <br /> Chemical Oxygen Demand mg/L Monthly <br /> Minerals mg/L Annually <br /> Metals mg/L Annually <br /> Volatile Organic Compounds4 µg/L Annually <br /> Total Petroleum Hydrocarbons µg/L Annually <br /> Total &Fecal Coliform Organisms MPN/100 ml Annually <br /> Field measurements <br /> 2Those minerals listed under Table 2, Groundwater Monitoring. <br /> 3Those metals listed under Table 2, Groundwater Monitoring. <br /> 4Use EPA Method 8260B. Report all peaks. <br /> 5Use EPA Method 8015M for gasoline and diesel. <br /> 6. Synthetic Liner Monitoring <br /> All visible portions of synthetic liners shall be inspected on a weekly basis and their <br /> condition reported quarterly to the Regional Board. <br /> 7. Vadose Zone Monitoring <br /> All lysimeters shall be monitored monthly as specified in Table 6 and results reported to the <br /> Regional Board quarterly. <br />