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CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD <br /> CENTRAL VALLEY REGION <br /> MONITORING AND REPORTING PROGRAM NO. R5-2003-0141 <br /> FOR <br /> CALIFORNIA NATURAL PRODUCTS <br /> WASTEWATER TREATMENT FACILITY <br /> SAN JOAQUIN COUNTY <br /> This Monitoring and Reporting Program(MRP) describes requirements for monitoring industrial <br /> wastewater and groundwater. This MRP is issued pursuant to Water Code Section 13267. The <br /> Discharger shall not implement any changes to this MRP unless and until a revised MRP is issued by the <br /> Executive Officer. Specific sample station locations shall be approved by Regional Board staff prior to <br /> implementation of sampling activities. <br /> All samples should be representative of the volume and nature of the discharge or matrix of material <br /> sampled. The time, date, and location of each sample shall be recorded on the sample chain of custody <br /> form. <br /> Field test instruments (such as those used to test pH and dissolved oxygen) may be used provided that: <br /> 1. The operator is trained in proper use and maintenance of the instruments; <br /> 2. The instruments are calibrated prior to each monitoring event; <br /> 3. Instruments are serviced and/or calibrated by the manufacturer, or manufacturer approved repair <br /> shop, at the recommended frequency; and <br /> 4. Field calibration reports are submitted as described in the"Reporting" section of this MRP. <br /> INDUSTRIAL WASTEWATER EFFLUENT MONITORING <br /> Wastewater effluent samples shall be colledted prior to discharge to the land application or landscape <br /> areas. Effluent monitoring shall include, at a minimum, the following: <br /> Sampling Reporting <br /> Constituents Units Type of Sample Frequency Frequency <br /> BODS mg/I Composite Weekly Monthly <br /> Total Settleable Solids ml/1 Composite Monthly Monthly <br /> Nitrate as Nitrogen mg/1 Composite Monthly Monthly <br /> Total Kjeldahl Nitrogen mg/l Composite Monthly Monthly <br /> pH S.U. Composite Monthly Monthly <br /> Fixed Dissolved Solids mg/1 Composite Monthly Monthly <br /> Total Dissolved Solids mg/1 Composite Monthly Monthly <br /> Total Coliform MPN/100 ml Composite Monthly Monthly <br /> Flow to 29.7-acre Site gpd Continuous Daily Monthly <br /> Flow to 10.1-acre Site gpd Continuous Daily Monthly <br /> Flow to 16.0-acre Site gpd Continuous Daily Monthly <br /> Flow to 9.2-acre Site gpd Continuous Daily Monthly <br /> Flow to 3.5-acre Site gpd Continuous Daily Monthly <br />