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•. , <br /> CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD <br /> CENTRAL VALLEY REGION <br /> MONITORING AND REPORTING PROGRAM NO. 85-214 <br /> NPDES NO. CA0079154 <br /> FOR <br /> CITY OF TRACY <br /> SAN JOAQUIN COUNTY <br /> Specific sample station locations shall be established under direction of the <br /> Board' s staff, and a description of the stations shall be attached to this Order. <br /> INFLUENT MONITORING <br /> Samples shall be collected at approximately the same time as effluent samples and <br /> should be representative of the influent for the period sampled. The following <br /> shall constitute the influent monitoring program: <br /> Sampling <br /> Constituent Units Type of Sample Frequency <br /> 20*C 8005 mg/1 , lbs/day 24 hr. Composite Daily <br /> Suspended Matter mg/l , lbs/day 24 hr. Composite Daily <br /> Specific umhos/cm Grab Monthly <br /> Conductivity @25'C <br /> Total Dissolved mg/l Grab Monthly <br /> Solids <br /> Flow mgd Continuous Daily <br /> EFFLUENT MONITORING <br /> Effluent samples shall be collected downstream from the last connection through <br /> which wastes can be admitted into the outfall . Effluent samples should be repre- <br /> sentative of the volume and nature of the discharge. Samples collected from the <br /> outlet structure of ponds will be considered adequately composited . Time of <br /> collection of a grab sample shall be recorded. The following shall constitute the <br /> effluent monitoring program: <br /> Sampling <br /> Constituents Units Type of Sample Frequency <br /> 20°C BOD5 mg/l , lbs/day 24 hr. Composite Daily <br /> Suspended Matter mg/l , lbs/day 24 hr. Composite Daily <br /> Settleable Matter ml/l Grab Daily <br />