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PARTI Page No. 4 Permit No.: CO-0032115 Parameter 30-Dav Average Limitations Mazamum Concentrations 7-Dav Averaee NA NA NA NA NA NA NA NA Flow, MGD Report Total Suspended Solids (TSS), mg/1 Report pH, s.u. (minimum-maximum) NA Oil and Grease, mg/1 NA Total Dissolved Solids, mg/l Report Whole Toxicity, Acute Toxicity NA Settleable Solids, mUl NA Total Iron, ug/1 Report b. Outfalls 001, 002.005, 008, 009, 014, 018.022, 024 PRIMARY LIMITATIONS Parameter Limitations Marimum Concentrations 30-Dav Average 7-Dav Averaee Flow, MGD Report NA Total Suspended Solids (TSS), mg/1 35 NA pH, s.u. (minimum-maximum) NA NA Oil and Grease, mg/1 NA NA Total Dissolved Solids, mg/1 Report NA Settleable Solids, ml/1 NA NA Total Iron, ug/1 3,000 NA Daily Mazimnm Report Report 6.5-9.0 10 Report LCD 100% Report Report Daily Mardmum Report 70 6.5-9.0 10 Report Report 6,000 ALTERNATE LIMI'rATION5 Any discharge or increase in the volume of a discharge caused by precipitation within any 24-hour period less than or equal to the ] 0- veaz, 24-hour precipitation event (or snowmelt of equivalent volume) may comply with the following limitations subject to burden of proof requirements described in Part I.A.2. Parameter Flow, MGD Total Suspended Solids (TSS), mg/1 pH, s.u. (minimum-maximum) Oil and Grease, mg/1 Total Dissolved Solids, mg/1 Settleable Solids, ml/1 Total Iron, ug/1 Limitations Maaimum Concentrations 30-Dav Averaee 7-Dav Averaee Daily Maximum Report NA Report Report NA Report NA NA 6.5-9.0 NA NA 10 Report NA Report NA NA 0.5 Report NA Report Any discharge or increase in volume of a dischazge caused by precipitation within any 24-hour period p-realer than the 10-veaz. 24-hour event (or series of storms or anowmelt of equivalent volume) >~ cortgtly with the following limitations subject to burden of proof requirements described in Part I.A.2. See Part LC. for Definitions.