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MONITORING AND REPORTING PROGRAM NO.R5-2004-0028 2 <br /> CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD NPDES NO.CA0081558 <br /> CENTRAL VALLEY REGION CITY OF MANTECA,CITY OF LATHROP AND DUTRA FARMS <br /> WASTEWATER QUALITY CONTROL FACILITY <br /> MONITORING AND REPORTING PROGRAM NO.R5-2004-0028 SAN JOAQUIN COUNTY <br /> NPDES NO.CA0081558 Sampling <br /> FOR Constituents Units Type of Sam rile Frequency <br /> CITY OF MANTECA,CITY OF LATHROP AND DUTRA FARMS Temperature' °F Meter Continuous <br /> WASTEWATER QUALITY CONTROL FACILITY Chlorine Residual2 mg/l Continuous Continuous <br /> SAN JOAQUIN COUNTY <br /> PH Number Grab Daily <br /> This Monitoring and Reporting Program is issued pursuant to Water Code Sections 13383 and 13267. Total Coliform Organisms MPN/100 ml Grab Daily <br /> The Discharger shall not implement any changes to this Program unless and until the Regional Board or <br /> Executive Officer issues a revised Monitoring and Reporting Program. Specific sample station locations 20°C BODS mg/l,lbs/day 24 hr.Composite Daily <br /> shall be established under direction of the Regional Board's staff,and a description of the stations shall Suspended Solids mg/l,lbs/day 24 hr.Composite Daily <br /> be attached to this Order. <br /> Settleable Solids ml/1 Grab Daily <br /> INFLUENT MONITORING Turbidity NTU Grab Daily <br /> Ammonia'4 mg/l Grab Weekly <br /> Samples shall be collected at approximately the same time as effluent samples and should be Nitrate mg/l Grab Weekly <br /> representative of the influent for the period sampled. Influent monitoring shall include at least the <br /> following: Nitrite mg/1 Grab Weekly <br /> Total Dissolved Solids mg/l Grab Monthly <br /> Sampling <br /> Constituents Units Type of Sample Frequency Electrical Conductivity @25°C umhos/cm Grab Monthly <br /> 20°C BODS mg/l,lbs/day 24 hr.Composite Daily Acute Toxicity5'6'7 %Survival Grab Monthly <br /> Suspended Solids mg/l,lbs/day 24 hr.Composite Daily Aluminum,total ug/1 Grab Monthly <br /> Flow mgd Meter Continuous Arsenic,tota18 ug/1 Grab Monthly <br /> Copper,totals ug/I Grab Monthly <br /> EFFLUENT MONITORING Cyanide,total8 ug/1 Grab Monthly <br /> (When discharging to Surface Waters) Iron,total ug/1 Grab Monthly <br /> Effluent samples shall be collected downstream from the last connection through which wastes can be Manganese,total ug/I Grab Monthly <br /> admitted into the outfall. Effluent samples should be representative of the volume and quality of the MBAS ug/l Grab Monthly <br /> discharge. Samples collected from the outlet structure of ponds will be considered adequately v <br /> composited. The date and time of collection of samples shall be recorded. Effluent monitoring shall Mercury,total ug/I Grab Monthly <br /> include at least the following: Molybdenum ug/1 Grab Monthly <br /> Sampling Trihalomethanes8," ug/1 Grab Monthly <br /> Constituents Units Type of Sample Frequency 2,4,6-Trichlorophenol$ ug/I Grab Monthly <br /> Flow mgd Meter Continuous Bis(2-ethylbexyl)phthalate8 ug/1 Grab Monthly <br />