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Part I <br />Permit No: CO-0000213 <br />Page 9 <br />Outfa11008A (Continued) <br />ALTERNATE LIMITATIONS <br />Any discharge or increase in volume of a discharge caused by precipitation within any 24-hour period rg eater <br />than the 10-vear, 24-hour event (or series of storms or snowmelt of equivalent volume) »?~ comply with the <br />following limitations subject to burden of proof requirements descnbed in Part I.A.3. <br />Effluent Parameter Effluent Limitations <br /> Maximum Concentrations <br /> 30-Dav Average 7-Dav Average Dail y Maximum <br />Flow, MGD Report NA Report <br />Total Suspended Solids (TSS), mg/1 Report NA Report <br />pH, s.u. (minimummaximum) NA NA 6.5-9 d/ <br />Oil and Grease, mg/1 NA NA 10 d/ <br />Total Iron, ug/1 Report NA Report <br />Total Recoverable Iron, ug/1 Report NA Report <br />Total Mercury, ug/1 Report NA Report <br />Total Ammonia as N, mg/1 (effective through December 31, 2009) <br /> Report NA Report <br />Total Ammonia as N, mg/I (effective beginn ing January 1, 2010) <br />January 0.74 NA 2.7 <br />February 0.9.1 NA 3.6 <br />March 2.4 NA 10.0 <br />April 2.5 NA 13.3 <br />May 0.61 NA 5.7 <br />June 0.16 NA 1.7 <br />July 0.25 NA 2.7 <br />August 0.34 NA 3.6 <br />September 1.9 NA 12.0 <br />October 5.1 NA 17.7 <br />November 3.0 NA 12.2 <br />December 2.7 NA 7.5 <br />Total Dissolved Solids, mg/1 Report NA Report <br />Settleable Solids, ml/1 Report NA Report <br />Whole Effluent Toxicity, Acute Lethality NA NA LC50 > 100% <br />See Part I.C. for Definitions. <br />AMENDED: OCTOBER 24 2007 EFFECTIVE: DECEMBER 1 2007 EXPIRATION• MARCH 31 2012 <br />Attachment 2.05.3(3)-18-11 <br />