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MONITORING AND REPORTING PROGRAM 3 <br /> J. R. SIMPLOT COMPANY <br /> LATHROP, SAN JOAQUIN COUNTY <br /> 2. Detection and Corrective Action Monitoring Program <br /> For any given monitored medium, a sufficient number of samples shall be taken from all <br /> Monitoring Points and Background Monitoring Points to satisfy the data analysis <br /> requirements for a given Reporting Period, and shall be taken in a manner that ensures <br /> sample independence to the greatest extent feasible. <br /> 3. Leachate Monitoring <br /> All Class Il surface impoundment LCRS sumps shall be inspected daily for leachate <br /> generation during the period 1 December through 30 April and weekly thereafter. Upon <br /> detection of leachate in a previously dry LCRS, the Discharger shall immediately sample the <br /> leachate and shall continue to sample the leachate as specified in Table I and the results shall <br /> be reported to the Board quarterly. The quantity of leachate pumped from each sump shall be <br /> measured continuously and reported as Leachate Flow Rate (gallons per day). <br /> TABLE I. LEACHATE MONITORING <br /> Report in Sampling <br /> Parameter/Constituent Units of Frequency <br /> Field Parameters <br /> Flow rate I gallons/day Daily <br /> Specific conductivity2 µmhos/cm Monthly <br /> pH2 Std. pH units Monthly <br /> Monitoring Parameters <br /> Total dissolved, solids mg/1 Quarterly <br /> Sodium mg/l Quarterly <br /> Chlorides mg/1 Quarterly <br /> Constituents of Concern <br /> Sulfates mg/1 Quarterly <br /> Nitrates mg/1 Quarterly <br /> Chemical Oxygen Demand mg/1 Annually <br /> EPA Methods 601 & 602 constituents3 µg/1 Annually <br /> Minerals4 mg/1 Annually <br /> Metals5 mg/l Annually <br /> Daily during the period 1 December through 30 April and weekly thereafter <br /> 2 Field measurements <br /> 3 Report all peaks <br /> 4 Those minerals listed under Class II Surface Impoundment monitoring <br /> 5 Those metals listed under Class II Surface Impoundment monitoring <br />