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PARTI <br />Page 3 <br />Permit No. COR-040000 <br />~. COVERAGE UNDER THLS PERMTf <br />PARTI <br />Authority to Dichnme <br />Under this permit, active and inactive metal mining operations where stormwater has come into contact with any <br />overburden, raw material, intermediate products, byproducts, finished products or waste products located at the mining <br />site are permitted to discharge stormwater associated with mining operation into waters of the state of Colorado. The <br />term mining operation includes active and inactive mining activities. <br />2. Lndastriec Covered Under this Permit <br />This permit is intended to suthonze most sew or existing discharges composed entirely of stormwater from metal mining <br />operations that are required by Federal regulation to obtain a permit. The term 'metal' is used to distinguish this permit <br />from the coal mining and the sand and gravel mining general stormwater permits. <br />a. Definitions <br />1) Stotmwater is precipitation-induced surface runoff. <br />2) Mining operations include facilities classified as Standard Industrial Classification Codes 10 through 14 <br />(mineral industry), including active or inactive mining activities. This definition includes operations that <br />have temporerily ceased mining and are in 'temporary cessation' status with the Colorado Division of <br />Minerals and Geology. <br />• 3) Inactive mining operations are mining sites that are mot being actively mined. <br />Other Definitions can be found in Part I.D. of this permit. <br />b. Types of Activities Covered by this Permit: <br />1) This permit authorizes all new and existing discharges composed entirely of stormwater associated with <br />active and inactive metal mining operations. (See Rationale, Section III for an explanation of exemptions <br />for uncontaminated stormwater and reclaimed mines.) <br />2) This permit may also temporarily authorim existing discharges composed entirely of stormwater from any <br />mining operation that is currently covered by m individual CDPS permit for discharge of process water. <br />3. Aomlication. Due Dates <br />a. Application Due Dates: At least thirty day6 prior to We anticipated date of discharge, or by October 1, 1992, <br />whichever is later, the owner (or operator whm the owner does not operate the facility) of the facility shall submit <br />m application provided by the Division. <br />The completed discharge application shall be submitted to: <br />Colorado Department of Health <br />Water Quality Control Division <br />4210 East Ilth Avenue <br />Deaver, Colorado 80220 <br />• Attention: Permits and Enforcement Section <br />