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C~ <br /> <br />A. TERMS AND CONDITIONS <br />1. Effluent Limitations (Cont.) <br />• <br />PART I <br />Page lc of 19 <br />Permit No. CO-0032115 <br />d) Discharge points 001, 002, 003, DOS, 006, 008, 009, 010, 011, 012, <br />013 and 014 (Cont.) <br />Parameter Daily Maximum c/ ' <br />- <br /> ~ <br />Flow, MGD Report <br />Settleable Solids, ml/1 j/ 0.5 <br />Total Dissolved Solids, mg/1 Report <br />For 003, 006, 008, 009, 010, 011, 012, 013 and 014, pH (standard ,.t,' <br />units) shall remain between 6.5 and 9.0 c/. `~~'' <br />For 001, 002 and 005 only, pH (standard units) shall remain ~~^tr <br />between 6.5 and 9.5, during the months of June through September. ~:' <br />The pH range of 6.5-9.0 s.u. shall apply at all other times c/. <br />Oil and grease shall not exceed 10 mg/1 c/ in any grab sample nor <br />shall there be a visible sheen f/. <br />Any discharge or increase in volume of a discharge caused by <br />precipitation within any 24-hour period greater than the 10-year, <br />24-hour event (or series of storms or snowmelt of equivalent <br />volume may comply with the following limitations subject to <br />burden of proof requirements described in Part I.A.2. <br />Flow, MGD - monitoring only per Part I.B.1. <br />Total Dissolved Solids - monitoring only per Part I.B.1. <br />pH shall remain between 6.5 and 9.0 s.u. c/. <br />Oil and grease shall not exceed 10 mg/1 c7 in any grab sample nor <br />shall there be a visible sheen f/. <br />Additional conditions - effective at all times: <br />There shall be no discharge of floating solids or visible foam in <br />other than trace amounts. The discharge shall not contain any <br />sanitary wastewaters from toilets or related facilities, or other <br />pollutants not associated with active mining operations. There <br />shall be no ]and application of wastewater, other than for dust <br />control, without [he previous authorization of a specific <br />discharge point. <br />2. Burden of Proof Requirements - 001, 002, 003, 005, 006, 008, 009, 010, <br />011, 012, 013 and 014 <br />` The permittee shall have the burden of proof when requesting relief <br />J\ from total suspended solids (TSS), total iron and/or settleable solids <br />limitations. <br />