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PART I <br />Page No. 6 <br />Permit No.: CO-0000213 <br />Outfall 007A (Continued) <br />ALTERNATE LIMITATIONS <br />Any uiscnazge or increase m volume of a atscnazge causes by precip~tauon wttnm any t4-now perioa g reacer than ine <br />l0-vear, 24-how event (or series of stomis or snowmelt of equivalent volume) >~ comply with the following <br />limitations subject to bwden of proof requirements described in Part I.A.3. <br />Effluent Parameter Effluent Limitations <br /> Maximum Concentrations <br /> 30-Dav Average 7-Da v Average Dail y 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 dl <br />Total Iron, ug/1 Report NA Report <br />Total Recoverable Iron, ug/1 1000 NA Report <br />Potentially Dissolved Lead, ug/1 11 NA Report <br />Potentially Dissolved Manganese, ugll Report NA Report <br />Potentially Dissolved Selenium, ug/I 4.6 NA Report <br />Total Mercury, ug/1 Report NA Report <br />Total Ammonia as N, mg/1(effective through Decemb er 31, 2009) <br /> Report NA Report <br />Total Ammonia as N, mg/1(effective beginning January 1, 2010) <br />January 3.2 NA 9.9 <br />February 22 NA 6.6 <br />March 2.1 NA 9.4 <br />April 2.3 NA 13.3 <br />May 2.0 NA 13.1 <br />June 2.5 NA 14.4 <br />July 1.7 NA 11.5 <br />August 1.2 NA 10.1 <br />September 4.2 NA 18.4 <br />October 4.3 NA 17.7 <br />November 3.0 NA 12.2 <br />December 2.7 NA 7.5 <br />Total Dissolved Solids, mg/I Report NA Report <br />Settleable Solids, mlll Report NA Report <br />Whole Effluent Toxicity, Chronic Lethality <br />NA <br />NA <br />Report <br />(effective through December 31, 2008) <br />Whole Effluent Toxicity, Chronic Lethality <br />NA Statistical Difference <br />NA <br />(effective beginning January 1, 2009) and IC25 > IWC <br />See Part I.C. for Defuutions. <br />Attachment 2.05.3(3)-18-8 <br />