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DRAFT [TENTATIVE] MONITORING & REPORTING PROGRAM R5-2023-XXXX 31 <br />FORWARD, INC. <br />FORWARD LANDFILL <br />SAN JOAQUIN COUNTY <br />c. First Detection of Leachate in Sump—Upon detecting leachate in <br />a previously dry sump, the Discharger shall notify Central Valley <br />Water Board staff within seven days, and immediately sample and <br />analyze leachate for the parameters in Table 26 and Table 27.8 <br />Thereafter, whenever leachate is present in the same sump, the <br />leachate shall be sampled and analyzed for the same parameters, <br />and in accordance with the specified sampling and reporting <br />schedule in Table 27. <br />Table 27—LCRS Sump Monitoring, Parameters for <br />Subsequent Monitoring <br />Constituent Parameter GeoTracker <br />Code <br />Units Sampling <br />Freq. <br />Reporting <br />Freq. <br />Electrical Conductivity SC µmhos/cm Quarterly Quarterly <br />pH PH pH Units Quarterly Quarterly <br />pH of sumps associated <br />with WMU FU-04, -06, -- <br />08, -13, and -14 <br />PH pH Units Quarterly Semiannually <br />TDS TDS mg/L Quarterly Semiannually <br />Chloride CL mg/L Quarterly Semiannually <br />Carbonate CACO3 mg/L Quarterly Semiannually <br />Bicarbonate BICACO3 mg/L Quarterly Semiannually <br />Nitrate (as Nitrogen)NO3N mg/L Quarterly Semiannually <br />Sulfate SO4 mg/L Quarterly Semiannually <br />Calcium CA mg/L Quarterly Semiannually <br />Magnesium MG mg/L Quarterly Semiannually <br />8 The sampling and reporting schedules in Table 27 are applicable for subsequent monitoring only. When <br />notifying Central Valley Water Board staff of the first detection of leachate, the Discharger shall indicate <br />when laboratory results are expected to be available.