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REVISED MONITORING AND REPORTING PROGRAM NO.94-263 2 <br /> CITY OF RIPON WASTEWATER TREATMENT PLANT <br /> RIPON,SAN JOAQUIN COUNTY <br /> Sampling Reporting <br /> Constituent Units Type of Sample Frequencv Frequency <br /> PH Std. Units Grab Weekly Monthly <br /> Standard Minerals mg/L Grab Monthly Annually <br /> Trihalomethanes µg/L Grab Monthly Annually <br /> BOD denotes 5-day Biochemical Oxygen Demand. <br /> Standard Minerals shall include, at a minimum, the following elements/compounds: Barium,Calcium,Magnesi <br /> Potassium, Sulfate,Total Alkalinity(including alkalinity series),and Hardness. <br /> Trihalomethanes reporting shall include chloroform,bromodichloromethane,dibromochloromethane, <br /> dichloroiodomethane,and bromoform and shall be analyzed by EPA Method 8020 or equivalent. <br /> TREATED DOMESTIC WASTEWATER EFFLUENT MONITORING <br /> Treated domestic wastewater samples shall be collected before discharge to the percolation ponds anD <br /> shall be representative of the volume and nature of the discharge. Effluent monitoring shall include e <br /> following: <br /> Sampling Reporting <br /> Constituent Units Type of Sample Frequencv Frequencv <br /> BOD mg/L Grab Monthly Monthly <br /> Total Dissolved Solids mg/L Grab Monthly Monthly <br /> Sodium mg/L Grab Monthly Monthly <br /> Chloride mg/L Grab Monthly Monthly <br /> Nitrate as Nitrogen mg/L Grab Monthly Monthly <br /> Total Kjeldahl Nitrogen mg/L Grab Monthly Monthly <br /> PH Std. Units Grab Monthly Monthly <br /> Standard Minerals mg/L Grab Annually Annually <br /> BOD denotes 5-day Biochemical Oxygen Demand. <br /> Standard Minerals shall include, at a minimum,the following elements/compounds: Barium,Calcium,Magnesium, <br /> Potassium, Sulfate,Total Alkalinity(including alkalinity series),and Hardness. <br /> TREATMENT/STORAGE/PERCOLATION POND MONITORING <br /> Each of the treatment, storage, and percolation ponds shall be monitored for the parameters specified <br /> below: <br /> Sampling Reporting <br /> Constituent Units Type of Sample Frequencv Frequencv <br /> Freeboard 0.01 Feet Measurement Weekly Weekly <br /> Dissolved Oxygens mg/L Grab Weekly Monthly <br /> Levee Condition - Observation Weekly Monthly <br /> Odors -- Observation Weekly Monthly <br /> PH Std. Units Grab Monthly Monthly <br /> Samples shall be collected at a depth of one foot from each pond in use,opposite the inlet. Samples shall be <br /> collected between 0700 and 0900 hours. <br /> v:�san_io�wn xon15\stam0m;ennsan io�NvtiWn wwrP\rnwaa 9"J�03.doc <br />