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PART I <br />Page No. 4 <br />Permit No. COG-850000 <br />I • B. EFFLUENT LB~IITATIONS AND MONITORING REQUIREMENTS <br />1. Effluent Limitations <br />a. Active Minine Outfalls - <br />ACTIVE MINING PRIMARY LIMITATIONS <br />_. . <br />Parameter Limitation <br />30-Day Avg. .Daily Max. <br />Flow, MGD Report Report <br />Total Suspended Solids, mg/P 35 70 <br />Total Iron, mg1P <br />Existing Sources <br />3.5 <br />7.0 <br />New Sources 3.0 6.0 <br />Settleable Solids, mP/P Report Report <br />pH, s.u. N/A 6.5-9.0 <br />Oil and Grease, mg/P N/A 10 <br />Total Dissolved Solids, mg/P <br />CO River Basin Only Report Report <br />• Total Phosphorus (as P) mg/P <br />bilIon Reservoir and Upper Beaz Creek Drainages ONLY Report Report <br />ACTIVE MINING ALTERNATE LIMfl'ATIONS <br />Any discharge or increase in the volume of a discharge caused by precipitation within any 24-hour period <br />less than or equal to the 10-veaz. 24-hour orecipitation event (or snowmelt of equivalent volume) i~ <br />comply with the following limitations -subject to burden of proof requirements described in Part I.B.l.d). <br />Parameter !" _ !I;imitation <br />30=Day: Avg. Daily Max. <br />Flow, MGD Report Report <br />Total Suspended Solids, mg/P Report Report <br />Total Iron, mg/P Report Report <br />Settleable Solids, mPIP Report 0.5 <br />pH, s.u. N/A 6.5-9.0 <br />Oil and Grease, rng/P N/A 10 <br />Total Dissolved Solids, mg/P Report Report <br />CO River Basin Only <br />• Total Phosphorus (as P), mg/P <br />Dillon Reservoir and C pper Bear Creek Drainages ONLY Report Report <br />See Part I.C. for Definitions <br />