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CITY OF LODI • • 3 <br /> WHITE SLOUGH WATER POLLUTION CONTROL FACILITY <br /> SAN JOAQUIN COUNTY <br /> MONITORING AND REPORTING PROGRAM <br /> 3 The acute bioassays samples shall be analyzed using EPA/600/4-90/027F,Fourth Edition,or later <br /> amendment with Board staff approval. Temperature and pH shall be recorded at the time of bioassay <br /> sample collection. Test species shall be fathead minnows(Pimephales promelas),with no pH adjustment <br /> unless approved by the Executive Officer. <br /> 4 Concurrent with Ammonia Sampling. <br /> 5 Requires use of"clean technique"(EPA Method 163 1)for sampling,handling and analysis. <br /> 6 Discharger must submit report outlining sample collection,EPA test methods and detection limits by <br /> 15 February 2000 for approval. Report all peaks identified by the EPA test methods. <br /> 7 Standard Minerals include calcium,magnesium,hardness,sodium,potassium,alkalinity,sulfate, <br /> chloride,boron,and nitrate. <br /> If the discharge is intermittent rather than continuous, then on the first day of each such <br /> intermittent discharge, the Discharger shall monitor and record data for all of the constituents <br /> listed above with the exception of metals and priority pollutants, after which the frequencies of <br /> analysis given in the schedule shall apply for the duration of each such intermittent discharge. In <br /> no event shall the Discharger be required to monitor and record data more often than twice the <br /> frequencies listed in the schedule. <br /> EFFLUENT MONITORING OF INDUSTRIAL/DOMESTIC RECLAMATION WATER <br /> Monitoring shall commence during the irrigation season. Effluent samples shall be collected <br /> downstream from the last connection through with reclaimed water and sludge can be admitted <br /> into the field distribution system. Effluent samples shall be representative of the volume and <br /> nature of the discharge. Time of collection of grab samples shall be recorded. The field(s) being <br /> irrigated and amount of flow shall be identified. <br /> Sampling <br /> Constituent Units Type of Sample Frequency <br /> Flow mgd & gal/acre/day Continuous Daily <br /> Total Dissolved Solids mg/1 Grab Monthly <br /> Total Nitrogen mg/l & lbs/acre/day Grab Monthly <br /> Ammonia Nitrogen mg N/1 Grab Monthly <br /> Nitrate Nitrogen mg/1 Grab Monthly <br /> RECEIVING WATER MONITORING <br /> All receiving water samples shall be grab samples. Receiving water monitoring shall include at <br /> least the following: <br /> Station Description <br /> R-1 500 feet east of Highline Canal on Dredger Cut <br /> R-2 Dredger Cut at White Slough <br /> R-3 Bishop Cut at Telephone Cut <br /> R-4 500 feet north of Dredger Cut on Highline Canal <br /> R-5 North Channel White Slough, 500 feet west of Dredger Cut <br />