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, <br /> r <br /> REVISION NO. 2, MONITORING AND REPORTING PROGRAM NO. 94-263 2 <br /> CITY OF RIPON WASTEWATER TREATMENT PLANT <br /> RIPON, SAN JOAQUIN COUNTY <br /> Standard Minerals shall include, at a minimum,the following elements/compounds: boron, calcium, <br /> magnesium, potassium, sulfate, manganese, total alkalinity (including alkalinity series), and hardness. <br /> INDUSTRIAL WASTEWATER INFLUENT MONITORING <br /> Industrial wastewater influent monitoring shall include the following: <br /> Sampling Reporting <br /> Constituent Units Type of Sample Frequency Frequency <br /> Daily Flow gpd Meter Continuously Monthly <br /> Monthly Average Flow gpd/mo Calculated Continuously Monthly <br /> BOD mg/L Grab or Composite ' Weekly/Monthly 3 Monthly <br /> Total Dissolved Solids mg/L Grab or Composite ' Weekly/Monthly 3 Monthly <br /> Fixed Dissolved Solids mg/L Grab or Composite ' Weekly/Monthly 3 Monthly <br /> Sodium 2 mg/L Grab or Composite ' Weekly/Monthly 3 Monthly <br /> Chloride 2 mg/L Grab or Composite ' Weekly/Monthly 3 Monthly <br /> Nitrate as Nitrogen mg/L Grab or Composite ' Weekly/Monthly 3 Monthly <br /> Total Kjeldahl Nitrogen mg/L Grab or Composite ' Weekly/Monthly 3 Monthly <br /> Total Nitrogen mg/L Grab or Composite ' Weekly/Monthly 3 Monthly <br /> pH Std. Units Grab or Composite ' Weekly/Monthly 3 Monthly <br /> Standard Minerals 2 mg/L Grab or Composite ' Weekly/Monthly 3 Monthly <br /> Trihalomethanes ug/L Grab or Composite ' Weekly/Monthly' Monthly <br /> Composite sampling can be flow or time-based. For time-based composites, sampling intervals shall be <br /> no greater than one-hour apart nor a total sample collection duration of less than 12-hours. <br /> 2 Sample shall be filtered using a maximum effective pore diameter filter of 0.45 microns prior to <br /> digestion. <br /> 3 Sampling Frequency shall be weekly if grab samples are collected, or monthly if a composite sampling <br /> is performed. <br /> BOD denotes 5-day Biochemical Oxygen Demand. <br /> Standard Minerals shall include, at a minimum,the following elements/compounds: Boron, Calcium, <br /> Magnesium, 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 6020 or equivalent. <br /> TREATED DOMESTIC WASTEWATER EFFLUENT MONITORING <br /> Treated domestic wastewater samples shall be collected before discharge to the percolation <br /> ponds and shall be representative of the volume and nature of the discharge. Effluent <br /> monitoring shall include the following: <br /> Sampling Reporting <br /> Constituent Units Type of Sample Frequency Frequency <br /> BOD mg/L Grab Monthly Monthly <br /> Total Dissolved Solids mg/L Grab Monthly Monthly <br /> Fixed Dissolved Solids mg/L Grab Monthly Monthly <br /> Total Arsenic mg/L Grab Monthly Monthly <br /> Dissolved Arsenic ' mg/L Grab Monthly Monthly <br /> Total Iron mg/L Grab Monthly Monthly <br /> w u�mo...nsh w mw�wnwnxe 9.w9 n.A.i-n..2 fi—I a <br />