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CALIFO'-A REGIONAL WATER QUALITY CON BOARD <br /> CENTRAL. VALLEY REGION <br /> MONITORING AND REPORTING PROGRAM NO. 79-152 <br /> FOR <br /> CITY OF STOCKTON MAIN WATER QUALITY CONTROL PLANT <br /> SAN JOAQUIN COUNTY <br /> EFFLUENT MONITORING <br /> Effluent samples shall be collected downstream from the last connection through which <br /> wastes can be adr..itted into the outfall. Samples collected from the effluent structure <br /> will be considered adequately composited. The following shall constitute the effluent <br /> monitoring program: <br /> Constituents Units Type of Sample Sampling Frequency <br /> 200C BODS mg/1, lbs/day 24 hr. Composite Mon - Fri* <br /> Total Suspended Solids mg/1, lbs/day 24 hr. Composite Daily** <br /> Settleable Matter ml/l 24 hr. Composite Daily <br /> Total Dissolved Solids mg/1 24 hr. Composite Monthly <br /> Specific conductivity Micromhos/cm 24 hr. Composite Weekly <br /> @25oC <br /> Standard Minerals mg/l Grab Yearly <br /> PH Number Grab Daily <br /> Bioassay % Survival Grab or Continuous Weekly <br /> Total Coliform MPN/100 ml Grab Mon - Fri*** <br /> Organisms <br /> Chlorine Residual mg/l Grab Daily <br /> Flow EGD Continuous Daily <br /> Grease & Oil mg/l, lbs/day Grab Weekly <br /> Temperature 0 & of Grab Weekly <br /> Total Nitrogen(l) mg/l, lbs/day 24 hr. Composite Bi.-Weekly <br /> Total Phosphorus(l) mg/l, lbs/day 24 hr. Composite Weekly <br /> Total Organic Carbon mg/l 24 hr. Composite Mon, - Fri <br /> * Mon-Fri = Monday through Friday inclusive. <br /> ** Daily = 7-days/week <br /> *A Samples shall be collected at the influent channel to pond #4 <br /> or at the effluent structure <br />