|
MONITORING AND REPORTING PROGRAM NO.R5-2004-0028 5 MONITORING AND REPORTING PROGRAM NO.R5-2004-0028 6
<br /> NPDES NO.CA0081558 NPDES NO.CA0081558
<br /> CITY OF MANTECA,CITY OF LATHROP AND DUTRA FARMS CITY OF MANTECA,CITY OF LATHROP AND DUTRA FARMS
<br /> WASTEWATER QUALITY CONTROL FACILITY WASTEWATER QUALITY CONTROL FACILITY
<br /> SAN JOAQUIN COUNTY SAN JOAQUIN COUNTY
<br /> Sampling
<br /> RECEIVING WATER MONITORING Constituents Units Station Frequency
<br /> All receiving water samples shall be grab samples. The date and time will be recorded with each s
<br /> Mercury,total ug/1 R-1,R-2 Quarterly
<br /> sample. Receiving water monitoring shall include at least the following:
<br /> Molybdenum ug/1 R-1,R-2 Quarterly
<br /> Station Description a 6
<br /> Trihalomethanes' ug/1 R-1,R-4 Quarterly
<br /> R-1 100 feet upstream from the point of discharge 2,4,6-Trichlorophenol4 ug/1 R-1,R-4 Quarterly
<br /> R-2 500 feet downstream from the point of discharge Bis(2-ethylhexyl)phthalate4 ug/1 R-1,R-4 Quarterly
<br /> R-3 1 mile downstream from the point of discharge
<br /> R-4 2 mile downstream from the point of discharge Standard Minerals mg/1 R-1,R-4 Yearly
<br /> Priority Pollutants4'8 mg/1 R-1,R-4 Yearly
<br /> Sampling
<br /> Constituents Units Station Frequency 1 The Discharger shall propose an appropriate location and real-time monitoring equipment
<br /> to be installed near the outfall for Executive Officer approval. Flow and directional
<br /> River Flow CA Footnote I Continuous' 2 monitoring must be initiated by 1 March 2005.
<br /> Samples shall be collected every two weeks when discharging to the receiving water.
<br /> Direction of River Flow Footnote I Continuous 3 Temperature and pH shall be determined at the time of sample collection.
<br /> Dissolved Oxygen mg/1 R-1,R-2,R-3,R-4 Bi weekly2 4 Detection limits will be equal to or less than the lowest minimum level published in
<br /> pH Number R-1,R-2,R-3,R-4 Bi weekly2 Appendix 4 of the Policy for Implementation of Toxics Standards for Inland Surface
<br /> Waters,Enclosed Bays,and Estuaries of California(known as the State Implementation
<br /> Turbidity NTU R-1,R-2 Bi weekly2 Plan).
<br /> R-1 Continuous s Utilize Method 1631 with a detection limit of 0.0005 ug/l.
<br /> Temperature °F(-C) R-2,R-3,R-4 Bi weekly2 6 Trihalomethanes include bromoform,chloroform,bromodichloromethane,and
<br /> Electrical Conductivity @25°C umhos/cm R-1,R-2 Bi weekly2dibromochloromethane.
<br /> 7 Standard minerals shall include all major cations and anions and include a verification that
<br /> Fecal Coliform Organisms MPN/100 ml R-1,R-2 Bi weekly2 the analysis is complete(i.e.,cation/anion balance).
<br /> Ammonia3 mg/1 R-1,R-2,R-3,R-4 Bi weekly2 8 Concurrent with effluent sampling.
<br /> Nitrate mg/1 R-1,R-2 Bi weekly2 In conducting the receiving water sampling,a log shall be kept of the receiving water conditions
<br /> Nitrite mg/1 R-1,R-2 Bi weekly2 throughout the reach bounded by Stations R-1 and R-2. Attention shall be given to the presence or
<br /> Total Chlorine Residual mg/1 R-1,R-2 Bi weekly2 absence of:
<br /> Aluminum,total ug/1 R-1,R-2 Quarterly a. Floating or suspended matter e. Visible films,sheens or coatings
<br /> Arsenic,total4 ug/l R-1,R-2 Quarterly b. Discoloration f. Fungi,slimes,or objectionable growths
<br /> c. Bottom deposits g. Potential nuisance conditions
<br /> Copper,total4 ug/l R-1,R-2 Quarterly d. Aquatic life
<br /> Iron,total ug/1 R-1,R-2 Quarterly Notes on receiving water conditions shall be summarized in the monitoring report.
<br /> Manganese,total ug/1 R-1,R-2 Quarterly
<br />
|