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PARTI <br />Page 4 <br />Permit No. CO-0027146 <br />A. TERMS AND CONDIIYONS <br />1. Effluent Limitations (continued) <br />b. Outfalls 005. 006. 007. 008. 009. 010. 011. 013 and 014 )continued) <br />ALTERNATE LIMITATTONS (continued) <br />Effluent Parameter Dic harge Limitatio2 <br />30-Dav Ave <br />Flow, MGD <br />Total Suspended Solids, mg/Q <br />Total Iron, mg/Q <br />Settleable Solids, mQ/! <br />Oil and Grease, mg/Q <br />pH, s.u. (minimum-maximum) <br />Total Dissolved Solids, mg/Q <br />Report <br />Report <br />Report <br />Report <br />Report <br />Report <br />Report <br />c. Outfall 012 <br />Effluent Parameter <br />Flow, MGD <br />Settleable Solids, mQ/Q <br />Oil and Grease, mg/Q <br />pH, s.u. (minimttm-maximtun) <br />Total Dissolved Solids, mg/Q <br />PRIMARY LIMITATIONS <br />30-Dav Ave <br />Report <br />Report <br />Report <br />Report <br />Report <br />ALTERNATE LIIIIITATIONS <br />Dailv Max <br />Report <br />Report <br />Report <br />Report <br />10 <br />6.5-9.0 <br />Report <br />Report <br />0.5 <br />10 <br />6.5-9.0 <br />Report <br />Any discharge or increase in volume of a dischazge caused by precipitation within any 24-hour period pleater than the 10-vear. <br />24-hour event (or series of storms or snowmelt of equivalent volume) ~y comply widt the following limitations subject to burden <br />of proof requtremears described in Pats I.A.2. <br />Effluent Parameter Dts h r <br />3~v Av¢ e i ~mitatio c <br />Dai),y Max <br />Flow, MGD Report Report <br />Settleable Solids, mQ/Q Report Report <br />Oil and Grease, mg/Q Repott 10 <br />pH, s.u. (minimum-maximum) Repott 6.5-9,0 <br />Total Dissolved Solids, mg/Q Report Report <br />2. Burden of Proof Requirements <br />The permittee has the btuden of proof when requesting relief from total suspended solids (TSS), total iron and/or settleable <br />solids primary limitations. Relief shall be granted only when necessary and shall not be granted when the permittee has <br />control over the discharge. The petmittee should endeavor to meet the primary limitations whenever possible. The <br />Division shall have final authority in determining whether relief is granted. Discharges from outfalls 005, 006, 007, 008, <br />009, 010, 011, 012, 013 and 014 aze eligible for this exemption. Outfalls 001, 002, 004 and 015 are not eligible. <br />a For rainfall, to waive TSS and total iron litnita[ions, it is necessary to demonstrate that dischazge occurred within 48 <br />hours after measurable precipitation has stopped. To waive settleable solids limitations, it is necessary to prove that <br />dischazge occurred within 48 hotus after precipitation greater than the 10-yeaz, 24-hour event has stopped. <br />Dischageg L'mi~a~ <br />See Part I.C. for Definitions. <br />