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REVISED MONITORING AND REPORTING PROGRAM NO. 5-01-148 -2- <br /> NEENAH PAPER FR, LLC <br /> NEENAH PAPER MILL <br /> SAN JOAQUIN COUNTY <br /> Constituents Units Type of Sampling_ <br /> Sample Freauency <br /> Flow mgd Continuous Daily <br /> TDS mglL Composite Weekly <br /> Specific Conductivity pmhoslcm Composite Weekly <br /> pH --- Composite Weekly <br /> Nitrates as N mglL Grab Monthly <br /> Fixed Residue (Volatile) mglL Grab Monthly <br /> Sulfate mg/L Grab Monthly <br /> Standard Minerals mg/L Grab Annually <br /> 20°C BODS mglL Grab Annually <br /> Suspended Matter mg/L Grab Annually <br /> Settleable Matter mg1L Grab Annually <br /> C. SLUDGE MONITORING <br /> A composite sample of sludge shall be collected annually in accordance with <br /> EPA's POTW Sludge Sampling and Analysis Guidance document, August 1989, <br /> and tested for the following metals and organics. <br /> Metals: Cadmium, Chromium, Copper, Lead, Nickel, and Zinc. <br /> Organics: Acetone, 2-Butanone <br /> Sampling records shall be retained for a minimum of five years. A log shall be kept <br /> of sludge quantities, handling and disposal activities. The frequency of entries is <br /> discretionary; however, the log should be complete enough to serve as a basis for <br /> part of the annual report. <br /> D. POND MONITORING <br /> Aeration Stabilization Basin No. 2 samples shall be collected downstream from the <br /> last connection through which waste can be admitted into the basin. Grab samples <br /> shall be collected in a convenient location at least 200 feet from the influent <br /> structure. Samples must be representative of the volume and nature of the <br /> discharge from Aeration Stabilization Basin No. 1. Time of grab sample collection <br /> shall be recorded. <br /> If a discharge occurs in one of the four overflow ponds, then the time discharge <br /> began to the overflow pond(s) must be noted. The following shall constitute the <br /> pond monitoring program: <br />