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CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD <br />CENTRAL VALLEY REGION <br />MONITORING AND REPORTING PROGRAM NO. 96-201 <br />NPDES NO. CA0083968 <br />FOR <br />CALIFORNIA AMMONIA COMPANY <br />CALAMCO - STOCKTON TERMINAL <br />SAN JOAQUIN COUNTY <br />Specific sample station locations shall be established under direction of the Board's staff, and a <br />description of the stations shall be attached to this Order. <br />INFLUENT MONITORING <br />Samples shall be collected at approximately the same time as effluent samples and should be <br />representative of the influent. Influent monitoring shall include at least the following: <br />Sampling <br />Constituent Units Type of Sample Frequency <br />Temperature °F Grab Every 2 Hours' <br />pH pH Units Grab Every 2 Hours' <br />Ammonia2 mg/las N Grab Weekly <br />Total Dissolved Solids mg/1 Grab Weekly <br />Flow gpm Metered Continuous <br />Report daily number of samples, daily minimum, maximum, and arithmetic mean <br />2 Report as both Total and Un-ionized ammonia <br />EFFLUENT MONITORING <br />Effluent samples shall be collected downstream from the last connection through which wastes <br />can be admitted into the outfall. Effluent samples should be representative of the volume and <br />quality of the discharge. Effluent samples shall be taken at approximately the same time as <br />influent samples. Time of collection of samples shall be recorded. Effluent monitoring shall <br />include at least the following: