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CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD <br /> CENTRAL VALLEY REGION <br /> MONITORING AND REPORTING PROGRAM ORDER NO. 85-120 <br /> FOR <br /> CITY OF RIPON <br /> INDUSTRIAL AND DOMESTIC WASTEWATER TREATMENT PLANT <br /> SAN JOAQUIN COUNTY <br /> INFLUENT MONITORING <br /> Types of Sampling <br /> Constituent <br /> Units Samples Frequency <br /> Domestic Wastewater mgd -- <br /> Inflow Average Daily <br /> Industrial mgd -- Average Daily <br /> Inflow <br /> Methylene* mg/l Grab Weekly <br /> Chloride <br /> * Industrial wastewater only. Samples shall be taken at or near <br /> the entrances of the wastewater to the infiltration basins. <br /> POND MONITORING <br /> Teslin <br /> Constituent Units Samplesf FreSamquency <br /> Dissolved Oxygen mg/1 Grab Weekly <br /> Pond Freeboard* Feet -- Monthly <br /> * Domestic wastewater ponds only. <br /> Monitoring of Pond Effluent Used for Surface Irrigation <br /> Effluent samples shall be collected downstream from the last <br /> connection through which wastes can be admitted into the irri- <br /> gation system. The following shall constitute the effluent <br /> monitoring program: <br />