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Part I Page 3 of 22 <br />permit No. COR-040000 <br />PARTI <br />A. COVERAGE UNDER THIS PERMIT <br />1, ~athority to Discharge . <br />lions, mine-waste remediatron projects at inactive rune sites, and coal <br />Under this permit, active and inactive metal a»ning opera has <br />sources which ate authorized under individual CDPS permits, where stornawater <br />mines with process water discharge ~~ ~~ products or waste products <br />come into contact with any overburden, raw material, inidiate prod. , lions imo waters of the state of <br />located at the mining site. are permuted to ~scharge st°smwater assoctated wttb those opera <br />Colorado. The term minims inchades active and inactive raining activities. <br />Z. Indus es Covered Utad~r lids Pern~it ' <br />a. Types of Activities Covered by this Permit: <br />1) This permit authorizes all new and existing discharges composed entirely of stomswater associated with active and <br />lions. (See Rationale, Section III for an explanation of exemptions for uncontaminated <br />inactive metal mining opera <br />stotmwater and reclaimed alines.) <br />2) This permit authmrizes all new and existmg d>sc>~es composed entirely of storrmwater associated with mind-waste <br />ects at the mine-waste site. Separate wverage under this pemtit is necessary to address stormwatcr <br />rr;mediation prof <br />discharges from off site disposal areas. <br />exist d~charges composed entirely of stornswater from any t operation that <br />3) This permit•may also authorize t for discharge of process water. See Section N.C of the Rationale <br />is currently covered by an individual CDPS permi water discharge sources which are authorized <br />for a discussion of srortnnvater discharges from coal mines with process <br />under individual CDPS pemaits. <br />b. Definitions <br />1) Stormwater is precipitatimn-induced surface runoff. <br />2) Miring operations include facilities classified as Standard Industrial Classification Codes 10 through 14 (metal <br />mining), including active or iaactivc mining activities. This definition inchtdes operations that have temporarily <br />ceased mining and ate in "temporary cessation" status with the Colorado Division of Reclamation, Mining, And <br />Safety, or CDRbiS (formerly the Division of Minerals and Geology, or DMG). <br />fadtity: a place where work or other activity related to the extraction, rronoval, or recovery of <br />3) Active mmetal mining cessation are cxussidered active. <br />metal ore is being conducted. Mines that are is temporary <br />facility: a site or portion of a site where metal mining andlor nulling ocuurea in the past but <br />4) Inactive metal mining <br />is ao longer actively occurring. <br />5) Mine-waste remedtation projects: Projects undertaken to reduce or eliminate environnnental impacts of mine waste. <br />Mine waste, far the purposes of this gecnut, means any nuneral material such as overburden, raw materials, <br />~ intern ate ~~ byproducts ~~ produca or waste products, which is or lass been disturbed or moved from <br />location as part of a mineral extraction (msnmg) activity- Examples of mine waste include: <br />its naturally occurring and then been dish, and waste rock, which is <br />nurse tailings, whidr is ore that has goose through a milling process <br />rock that has been moved from its natural location, but not processed. <br />hrbitions of practices, ~ ~ <br />7) Best Management Practices (BMPs)_ schedules of activities, pro <br />other management Practiccs to prevent or reduce the pollution of waters of the State. BMPs aL4o inchsde treatment, <br />and practices to contiroi site raao$ sp0laSe m leaks, aasm or drainage from material <br />~~ Mp~ stcucaual sad aoffitructural controls. <br />