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CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD <br /> CENTRAL VALLEY REGION <br /> ORDER NO. 77-247 <br /> FACILITY I. D. NO. 58392012011 <br /> MONITORING AND REPORTING PROGRAM <br /> FOR <br /> AMSTAR CORPORATION, SPRECKELS SUGAR DIVISION - MANTECA FACTORY <br /> SAN JOAQUIN COUNTY <br /> A. Pond Monitoring - Each wastewater pond shall be monitored as follows: <br /> Constituent Units Type of Sample Sampling Frequency* <br /> Dissolved Oxygen mg/l Grab Twice Weekly <br /> Temperature OF, OC Grab Twice Weekly <br /> pH - - Grab Twice Weekly <br /> *Collection of samples shall alternate between late afternoon and early morning. <br /> B. Influent Monitoring - Each waste stream discharging to the pond system shall <br /> be monitored as follows : <br /> Constituent Units Type of Sample Sampling Frequency <br /> * <br /> 200BOD5 * mg/l Grab Monthly <br /> TDS mg/l Grab Monthly <br /> Specific Conductivity }mho/cm Grab Weekly <br /> Flow mgd Grab Daily <br /> C. Effluent Monitoring - Wastewater discharged to irrigation shall be monitored <br /> as follows: <br /> Constituent Units Type of Sample Sampling Frequency <br /> 200BOD5 *� mg/l Grab Monthly <br /> TDS mg/1 Grab Monthly <br /> Specific Conductivity }:mho/cm Grab Weekly <br /> Flow mgd Grab Daily <br /> D. Hydrogen Sulfide (112S) Monitoring - Monitoring Stations shall be established <br /> under the direction of Board Staff for the detection of H2S. Each Station <br /> shall be inspected daily and results reported. <br /> **When a satisfactory relationship between BOD5 and COD measurements has been <br /> established, acceptable to the Executive Officer, COD may be substituted as <br /> the control constituent. <br />