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CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD <br /> CENTRAL VALLEY REGION <br /> MONITORING AND REPORTING PROGRAM NO. 98-217 <br /> FOR <br /> COUNTY OF SAN JOAQUIN <br /> COUNTY SERVICE AREA NO. 31 <br /> FLAG CITY WASTEWATER TREATMENT AND DISPOSAL FACILITY <br /> SAN JOAQUIN COUNTY <br /> Specific sample locations shall be established under direction of the Board staff and a description of <br /> the stations shall be attached to this Order. <br /> EFFLUENT MONITORING <br /> Effluent samples shall be collected just prior to discharge to the disposal facility. Effluent samples <br /> should be representative of the volume and nature of the discharge. Time of collection of a grab <br /> sample shall be recorded. Effluent monitoring shall include at least the following: <br /> Constituents unita Tyne of Sample SamDing Frequency <br /> 20°C BODS mg/l Grab Monthly <br /> Suspended Solids mg/l Grab Monthly <br /> Settleable Solids ml/1 Grab Monthly <br /> Total Dissolved Solids (TDS) mg/l Grab Monthly <br /> Electrical Conductivity @ 25°C µmhos/cm Grab Monthly <br /> Flow mgd Meter Continuous <br /> WATER SUPPLY MONITORING <br /> A sampling station shall be established where a representative sample of the process water supply can <br /> be obtained. Water supply monitoring shall include at least the following: <br /> Constituents LniLs Sampling Frequency <br /> Standard Minerals mg/l Annually <br /> Electrical Conductivity @ 25°C µmhos/cm Annually <br /> Total Dissolved Solids mg/l Annually <br />