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MONITORING AND REPORTING PROGRAM NO. R5-2004-0028 8 <br /> NPDES NO. CA0081558 <br /> CITY OF MANTECA, CITY OF LATHROP AND DUTRA FARMS <br /> WASTEWATER QUALITY CONTROL FACILITY <br /> SAN JOAQUIN COUNTY <br /> BIOSOLIDS MONITORING <br /> A composite sample of biosolids shall be collected in accordance with USEPA's POTW Biosolids <br /> Sampling and Analysis Guidance Document, August 1989, (or most recent edition) and tested for the <br /> following constituents: <br /> Constituent Units Sample Type Frequency <br /> Quantity Dry Tons -------- Quarterly <br /> Solids Content %percentage Composite Quarterly <br /> Disposal Location -------- -------- Quarterly <br /> Arsenic mg/kg Composite Quarterly <br /> Cadmium mg/kg Composite Quarterly <br /> Chromium mg/kg Composite Quarterly <br /> Copper mg/kg Composite Quarterly <br /> Lead mg/kg Composite Quarterly <br /> Mercury mg/kg Composite Quarterly <br /> Molybdenum mg/kg Composite Quarterly <br /> Nickel mg/kg Composite Quarterly <br /> Selenium mg/kg Co4iposite Quarterly <br /> Zinc mg/kg Composite Quarterly <br /> Oil and Grease mg/kg Composite Quarterly <br /> Nitrogen mg/kg (dry) Composite Quarterly <br /> Ammonia mg/kg (dry) Composite Quarterly <br /> Nitrate mg/kg (dry) Composite Quarterly <br /> Total Kjeldahl Nitrogen mg/kg (dry) Composite Quarterly <br /> Fecal Coliform MPN/gram total solids Composite See Footnote 1 <br /> Priority Pollutants --- Composite See Footnote 2 <br /> 1 The Discharger shall collect seven composite samples over a two week period each quarter, <br /> and analyze the samples for fecal coliform(report as MPN/gm total solids). Results for each <br /> sample shall be reported along with the geometric mean of the results. <br /> 2 Within 90 days of the effective date of this Order, and annually thereafter, the Discharger <br /> shall submit results of chemical analysis for the priority pollutants listed in 40 CFR 122 <br /> Appendix D, Tables II and III (excluding total phenols). Suggested methods for analysis of <br /> biosolids are provided in USEPA publications titled "Test Methods for Evaluating Solid <br /> Waste: Physical/Chemical Methods" and"Test Methods for Organic Chemical Analysis of <br /> Municipal and Industrial Wastewater". Other guidance is available in USEPA's POTW <br /> Biosolids Sampling and Analysis Guidance Document, August 1989 (or most recent edition). <br />