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COLORADO LEGACY LAND $CHWARTZWALDER MINE EXHIBIT M. OTHER PERMITS AND LICENCES Rule 6.4.20(5)requires a list any air,water quality,solid and hazardous waste,and other federal,state permits or local licenses, or other formal authorizations which the Operator/Applicant holds or will be seeking applicable to the use, handling,storage, or disposal of designated chemicals and acid mine drainage-forming materials within the permit area. The Schwartzwalder Mine operated under Colorado Mining Permit#M-1977-300,Colorado Discharge Permit #CO-0001244 and Radioactive Materials License CO-369-03. • Colorado Mining Permit#M-1977-300:The mine permit(M-1977-300) was issued by the State of Colorado in 1977 the permit disturbance boundary covered by the permit is shown in Figure C-1. • Colorado Discharge Permit#CO-0001244: Discharge Permit#CO-0001244 was issued in 1981 by the Colorado Department of Public Health and Environment, Water Quality Control Division for the Schwartzwalder water treatment plant. The monitoring requirements associated with the discharge permit and corresponding NOV/Cease and Desist Order(order#I0-100601-1)are described in Exhibit E. • Radioactive Materials License number CO-369-06:A new Radioactive Materials License#CO-369- 06 was issued by the CDPHE Hazardous Materials and Waste Management Division in July 2010 and renewed in June 2020. This license authorizes storage, possession and ownership of radioactive materials associated with an ion-exchange water treatment system. • Air Quality Permits: There is one air permit #97JE0037F associated with the Site reclamation activities(dust suppression for grading and earthwork). • Storm Water Discharge Permit:The Colorado stormwater discharge permit#COR-040046 has been in effect since March 19,1993.The stormwater management plan(updated in May of 2010) identifies potential sources of pollution (including sediment) which may reasonably be expected to affect the quality of stormwater discharges associated with the mine and describes the best management practices(BMPs)used to reduce pollutants in stormwater discharge. • Well Permits Water Resource Permit Number 64684:issued September 22, 1972,by the Office of the State Engineer for the non-industrial domestic water well. All monitoring wells have been permitted through the Colorado Division of Water Resources. • U.S.Army Corps of Engineers: The U.S.Army Corps of Engineers issued a nationwide 404 permit (Corps File No. NOW-2011-013530-DEN) for performing the alluvial fill material excavation along Ralston Creek. • U.S.Fish and Wildlife Service:The U.S.Fish and Wildlife Service issued a biological opinion(February 2016)as part of the aforementioned U.S.Army Corps of Engineers permit. In this biological opinion, the Colorado Ecological Services Field Office finds that the alluvial valley exaction may affect the Preble's meadows jumping mouse and it's critical habitat,but the project is not likely to jeopardize the NOVEMBER 2020 53 AMENDMENT 5