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PART I Page 3 of 20 <br />Pemtit No. COR-040000 <br />PARTI <br />A. COVERAGE UNDER THIS PERMIT <br />Authority to DischarEe <br />Under this permit, active and inactive metal mining operations, and mine-waste remediation projects at inactive mine <br />sites, where stormwater has come into contact with any overburden, raw material, intermediate products, byproducts, <br />fmished products or waste products located at the mining site, aze permitted to dischazge stotmwater associated with <br />those operations into waters of the state of Colorado. The tetra mining operation includes active and inactive mining <br />activities. <br />2. Industries Covered Under this Permit <br />a. Types of Activities Covered by this Permit: <br />1) This permit authorizes all new and existing dischazges composed entirely of stormwater associated with <br />active and inactive metal mining operations. (See Rationale, Section N for an explanation of exemptions for <br />uncontaminated stormwa[er and reclaimed mines.) <br />2) This permit authorizes all new and existing dischazges composed entirely of stormwater associated with <br />mine-waste remediation projects at the mine-waste site. Sepazate permit coverage is necessary to address <br />stormwater dischazges from off-site disposal areas. <br />3) This permit may also authorize existing dischazges composed entirely of stormwater from any mining <br />operation that is currently covered by an individual CDPS permit for dischazge of process water. <br />b. Definitions <br />1) Stormwater is precipitation-induced surface runoff. <br />2) Mining operations include facilities classified as Standazd Industrial Classification Codes 10 through 14 <br />(mineral industry), including active or inactive mining activities. This definition includes operations that <br />have temporarily ceased mining and are in "temporary cessation" status with the Colorado Division of <br />Minerals and Geology. <br />3) Inactive mining operations aze mining operations that are not being actively mined. <br />4) Mine-waste remediation projects are projects undertaken to reduce or eliminate environmental impacts of <br />mine waste. <br />5) Mine waste, for the purposes of this permit, means any mineral material such as overburden, raw materials, <br />intermediate products, byproducts, finished products or waste products, which is or has been mechanically <br />disrurbed or moved from its naturally occurring location as part of a mineral extraction (mining) activity. <br />Examples of mine waste include: mine tailings, which is ore that has gone through a milling process and <br />then been discarded, and waste rock, which is rack that has been moved from its natural location, but not <br />processed. <br />Other Defnritions can be found in Part LG of [his permit. <br />3. Application, Due Dates <br />a. Application Due Dates: At least thirty days prior to the anticipated date of dischazge, the owner (or operator <br />when the owner does not operate the facility) of the facility shall submit an application provided by the Division. <br />