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PART I <br />Page 29 of 52 <br />Permit No.: CO0000906 <br />Effluent <br />Parameter <br />Practical <br />Quantitation <br />Limits <br />Effluent <br />Parameter <br />Practical <br />Quantitation <br />Limits <br />Aluminum <br />50 pg/l <br />Arsenic <br />1 pg/l <br />N -Ammonia <br />1 mg/1 <br />Barium <br />5 pg/l <br />N -Ammonia (low-level) <br />50 pg/t <br />Beryllium <br />1 pg/l <br />N-Nitrate/Nitrite <br />0.5 mg/l <br />BOD / CBOD <br />1 mg/t <br />N -Nitrate <br />0.5 mg/l <br />Boron <br />50 pg/l <br />N -Nitrite <br />10 pg/l <br />Cadmium <br />1 pg/l <br />Total Nitrogen <br />0.5 mg/l <br />Calcium <br />20 pg/l <br />Total Phosphorus <br />10 Pg/1 <br />Chloride <br />2 mg/l <br />Chlorine <br />0.1 mg/l <br />Radium 226 <br />1 pCi/l <br />Total Residual Chlorine <br />Radium 228 <br />1 pCi/l <br />DPD colorimetric <br />0.10 mg/l <br />Selenium <br />1 pg/l <br />Amperometric titration <br />0.05 mg/l <br />Silver <br />0.5 pg/l <br />Chromium <br />20 pg/l <br />Sodium <br />0.2 mg/l <br />Chromium, Hexavalent <br />20 pg/l <br />Sulfate <br />5 mg/1 <br />Copper <br />5 pg/l. <br />Sulfide <br />0.2 mg/l <br />Cyanide (Direct / <br />Distilled) <br />10 pg/l <br />Total Dissolved Solids <br />10 mg/l <br />Cyanide, WAD+A47 <br />10 Pg/1 <br />Total Suspended Solids <br />10 mg/l <br />Fluoride <br />0.1 mg/1 <br />Thallium <br />1 pg/l <br />Iron <br />10 pg/t <br />Uranium <br />1 pg/l <br />Lead <br />1 pg/l <br />Zinc <br />10 Pg/1 <br />Magnesium <br />20 pg/1 <br />Manganese <br />2 pg/l <br />Phenols <br />15 pg/l <br />Mercury <br />0.1 pg/t <br />Nonylphenol D7065 <br />10 pg/t <br />Mercury (low-level) <br />0.003 pg/l <br />Nonylphenol D7485 <br />0.33 pg/t <br />Nickel <br />50 pg/l <br />3. Flow Measuring Device <br />If not already a part of the permitted facility, within ninety (90) days after the effective date of the permit, a flow <br />measuring device shall be installed to give representative values of effluent quantities at the respective discharge <br />points. Unless specifically exempted, or modified in the EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS <br />section, a flow measuring device will be applicable at all designated discharge points. <br />At the request of the Division, the permittee shall show proof of the accuracy of any flow -measuring device used in <br />obtaining data submitted in the monitoring report. The flow -measuring device must indicate values within ten (10) <br />percent of the actual flow being measured. <br />4. Extra Monitoring <br />If the permittee, using an approved analytical method, monitors any parameter more frequently than required by <br />this permit, then the results of such monitoring shall be included in the calculation and reporting of the values <br />required in the Discharge Monitoring Report Form (DMRs) or other forms as required by the Division. Such <br />increased frequency shall also be indicated. <br />5. Adverse Weather Conditions <br />When adverse weather conditions prevent sample collection according to the relevant monitoring schedule, the <br />permittee must take a substitute sample, as possible, during the remaining monitoring period; for stormwater, the <br />permittee must take a substitute sample during the next qualifying storm event. Adverse conditions are those that <br />are dangerous or create inaccessibility for personnel, such as local flooding, high winds, winter weather, or <br />electrical storms. <br />