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PART I Page iv Permit No. CO-0000396 A. TERMS AND 1. Effluent Limitations (continued) (b) Outfalls 005. 006. 007. 008. 009. 025 end 028 PRIMARY LDrDTATIONS Effluent Parameter Discha ree Limitations 30-Dav Ave 7-Dav Ava Daily Max Flow, MGD Repoli N/A Report Total Suspended Solids, mg/P 35 N/A 70 Total Iron, mg/l 3.0 N/A 6.0 Settleable Solids, mP/P N/A N/A 0.5 pH, s.u. (minimum-maximum) N!A N/A 6.5-9.0 Oil and Grease, mg/P N/A N/A 10 ALTERNATE LII~IITATIONS Any discharge or increase in the volume of a discharge caused by precipitation within any 24-hour period less than or equal to the 10.year. 24-hour orecioitation event (or snowmelt of equivalent volume) may comply with the following limitations subject to burden of proof requiremeats described in Part I.A.2. Effluent Parameter Discharee Limitations 30-Dav Ave 7-Dav Avg Daily Max Flow, MGD Report N/A Report Settleable Solids, mP/P N/A N/A 0.5 pH, s.u. (minimum-maximum) N/A N/A 6.5-9.0 Oil and Grease, mg/P N/A N/A 10 Any discharge or increase in volume of a discharge caused by precipitation within any 24-hour period greater than the 10-veer. ~4-hour event (or series of storms or snowmelt of equivalent volume) may comply with the following limitations subject to burden of proof requirements described in Put I.A.2. Effluent Parameter Discharee Limitations 30-Dar Av¢ 7-Dav Av¢ Daily Max Flow, MGD Report NIA Report pH, s.u. (minimum-maximum) N/A N/A 6.5-9.0 Oil and Grease, mg/l N/A N/A 10 (c) Outfalls 023. 024 and 026 Effluent Parameter Discharee Limitations 30-Dav Ave 7-Dav Av¢ Daily Max Flow, MGD Report N/A Report Total Suspended Solids, mg/P 35 N/A 70 Total Recoverable Iron, mg/P 3.0 N/A 6.0 pH, s. u. (minimum-maximum) N/A N/A 6.5-9.0 Oil and Grease, mg/P N/A N/A 10 WET, Acute N/A N/A LC50 > 10090 Sce Par[ I.C. for Definitions. I~I111P 4NAl