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PART I <br />Page No. 5 <br />Permit No.: CO-0000213 <br />Outfall 007A (Continued) <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 <br />equal to the 10-year, 24-hour precipitation event (or snowmelt of equivalent volume) may comply with the following <br />limitations subject to burden of proof requirements described in Part I.A.3. <br />Effluent Parameter <br />Effluent Limitations <br />Maximum Concentrations <br />30-Dav Average 7-Dav Average Daily Maximum <br />Flow, MGD Report NA Report <br />Total Suspended Solids (TSS), mg/1 Report NA Report <br />pH, s.u. (minimum maximum) NA NA 6.5-9 d/ <br />Oil and Grease, mg/1 NA NA 10 d/ <br />Total Iron, ug/1 Report <br />Total Recoverable Iron, ug/1 1000 <br />Potentially Dissolved Lead, ug/1 11 <br />Potentially Dissolved Manganese, ug/1 Report <br />Potentially Dissolved Seleniurn, ug/1 4.6 <br />Total Mercury, ug/1 Report <br />Total Ammonia as N, mg/1(effective through December 31, 2009) <br /> Report <br />Total Ammonia as N, mg/1(effective beginning January 1, 2010) <br /> January 3.2 <br /> February 2.2 <br /> March 2.1 <br /> April 2.3 <br /> May 2.0 <br /> June 2.5 <br /> July 1.7 <br /> August I.2 <br /> September 4.2 <br /> October 4.3 <br /> November 3.0 <br /> December 2.7 <br />Total Dissolved Solids, mg/t Report <br />Settleable Solids, ml/1 Report <br />Whole Effluent Toxicity, Chronic Lethal ity <br /> <br />(effective through December 31, 20081 NA <br />Whole Effluent Toxicity, Chronic Lethality <br /> <br />(effective beginning January 1, 2009) NA <br />See Part I.C. for Definitions. <br />Attachment 2.05.3(3)-18-7 <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />Report <br />Report <br />Report <br />Report <br />Report <br />Report <br />Report <br />9.9 <br />6.6 <br />9.4 <br />13.3 <br />13.1 <br />14.4 <br />ll.s <br />10.1 <br />18.4 <br />17.7 <br />12.2 <br />7.5 <br />Report <br />0.5 <br />NA Report <br />NA Statistical Difference <br />and IC25 > IWC <br />