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<br />PARTI <br />Page No. II <br />Permit No.: CO-0000221 <br />I. Outfall 017 <br />• <br />Effluent Parameter <br />Flow, MGD <br />pH, s.u. (minimum-maximum) <br />Oil and Grease, mg/I <br />Total Dissolved Solids, mg/I <br />Total Recoverable Iron, ug/I <br />Until 5131111 <br />Beginning 6/1/11 <br />Potentially Dissolved Selenium, ug/I <br />until 12/31/ 15 <br />beginning 1/1/16 <br />Settleable Solids, ml/I <br /> Effluent Limitations <br /> Maximum Concentrations <br />30-Day Average 7-Day Averaee Daily Maximum <br />Report NA Report <br />NA NA 6.5-9 <br />NA NA 10 <br />Report NA Report <br />Report Report <br />1,000 NA Report <br />Report Report <br />4.6 NA 18 <br />Report NA 0.5 <br />ALTERNATE LIMITATIONS <br />Any discharge or increase in the volume of a discharge caused by precipitation within any 24-hour period less than or egc ual <br />to the 10-year, 24-hour precipitation event (or snowmelt of equivalent volume) may comply with the following limitations <br />subject to burden of proof requirements described in Part I.A.3. <br />Effluent Parameter <br />Effluent Limitations <br />C <br />Maximum Concentrations <br />Flow, MGD <br />pH, s.u. (minimum-maximum) <br />Oil and Grease, mg/I <br />Total Dissolved Solids, mg/I <br />Total Recoverable Iron, ug/I <br />Until 5/31 /11 <br />Beginning 6/1/11 <br />Potentially Dissolved Selenium, ug/I <br />until 12131115 <br />beginning 1/1/16 <br />Settleable Solids, ml/1 <br />30-Day Average 7-Day Averaee Daily Maximum <br />Report NA Report <br />NA NA 6.5-9 <br />NA NA 10 <br />Report NA Report <br />Report Report <br />1,000 NA Report <br />Report Report <br />4.6 NA 18 <br />Report NA 0.5 <br />ALTERNATE LIMITATIONS <br />Any discharge or increase in volume of a discharge caused by precipitation within any 24-hour period greater than the 10- <br />year. 24-hour event (or series of storms or snowmelt of equivalent volume) may comply with the following limitations <br />subject to burden of proof requirements described in Part I.A.3. <br />Effluent Parameter <br />Flow, MGD <br />pH, s.u. (minimum-maximum) <br />Oil and Grease, mg/I <br />Total Dissolved Solids, mg/I <br />Total Recoverable Iron, ug/I <br />Until 5/31/11 <br />Beginning 6/1/1 1 <br />Potentially Dissolved Selenium, ug/1 <br /> Effluent Limitations <br /> Maximum Concentrations <br />30-Day Average 7-Day Averaee Daily Maximum <br />Report NA Report <br />NA NA 6.5-9 <br />NA NA 10 <br />Report NA Report <br />Report Report <br />1,000 NA Report