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1� <br /> MONITORING AND REPORTING PROGRAM 3 <br /> CITY OF STOCKTON <br /> FRENCH CAMP LANDFILL <br /> SAN JOAQUIN COUNTY <br /> LEACHATE MONITORING <br /> Leachate monitoring will be incorporated into all future expansions at the landfill. All <br /> landfill modules and LCRS sumps shall be inspected monthly for leachate generation. Upon <br /> detection of leachate in a previously dry LCRS, the Discharger shall immediately sample the <br /> leachate and shall continue to sample and report the leachate at the frequencies listed below <br /> in Table I thereafter. <br /> TABLE I <br /> LEACHATE MONITORING PARAMETERS / FREQUENCY <br /> Reporting <br /> Parameter Units Frequency <br /> Field Parameters <br /> Flow Rate gallons/day Monthly <br /> Specific Conductance µmhos/cm Monthly <br /> pH pH units Monthly <br /> Monitoring Parameters <br /> Total Organic Carbon mg/L Monthly <br /> Total Dissolved Solids (TDS) mg/L Quarterly <br /> Chloride mg/L Quarterly <br /> Constituents of Concern <br /> Sulfate mg/L Quarterly <br /> Carbonate mg/L Quarterly <br /> Bicarbonate mg/L Quarterly <br /> Alkalinity mg/L Quarterly <br /> Nitrate - Nitrogen mg/L Quarterly <br /> Sulfides (including H2S) presence/absence Quarterly <br /> Volatile Organic Compounds* µg/L Annually <br /> ICP Metals (26 metals) mg/L Annually <br /> * EPA Methods 601 and 602, or EPA Method 624 shall be used. All peaks shall be <br /> reported. <br />