2020-02-28_REVISION - C1981022 (2)

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Section—2.05.4 Protection, and health and safety standards. Specific compliance control and monitoring practices are identified and discussed in Sections 2.05.3, Operation Plan— Permit Area, and 2.05.4, Reclamation Plan. In addition, OMI has obtained and maintains ongoing compliance with required air quality permits administered by the Colorado Department of Public Health and Environment — Air Pollution Control Division, water quality permits administered by the Colorado Department of Public Health and Environment—Water Quality Control Division, mine health and safety approvals under the Federal Mine Safety and Health Administration,and a number of other Federal, State, and local permits and approvals. A full listing of existing approved permits is provided in Section 2.03.10, Identification of Other Licenses and Permits,and current copies of these other permits are provided in Exhibit 2.03-E4,Other Permits. OMI has maintained an effective record of permit compliance during their management and operation of the Oxbow mining operations. To date, there have been no major violations of any mine environmental or health and safety standards under OMI's operation and there have been no minor violations within the past three years as documented in Section 2.03.5, Compliance Information. 2.05.5 -Postmining Land Use OMLLC proposes to return surface areas disturbed by mining and related activities to a postmining land use of undeveloped lands utilized for very limited grazing and dispersed wildlife habitat and recreational uses with the potential for industrial/mining operations installations adjacent to the existing highway corridor and in remaining areas of the OMLLC property. The proposed postmining land use is consistent with both the premining condition and land use as described in Section 2.04.3, Site Description and Land Use Information and Gunnison County land use designations (for those areas within Gunnison County). Delta County has not adopted formalized zoning or land use designations. Restoration of disturbed lands consistent with the proposed postmining land has been and will continue to be accomplished through application of the reclamation methods,techniques,and activities identified and described in Section 2.05.4, Reclamation Plan, and detailed and illustrated in both the Postmining Topography and Land Use Maps, (Maps 2.05-M6 through 2.05M-8), and Exhibit 2.05-E5, Reclamation Details. Areas that are either currently disturbed or will be disturbed in the future that will be reclaimed and returned to the proposed postmining land use are owned or controlled by either OMLLC or the United Stated as indicated by the Surface Ownership Map, (Map 2.03-M1). Consistent with and in support of the proposed postmining land use,the following developed features will be retained or established during site reclamation. Portions of the Bear Creek Facilities area, and the Lower Hubbard Creek Facilities area have been reclaimed and returned to undeveloped/public use consistent with the objective of maintaining access to adjacent public lands. Segments of Bear Creek Canyon, Lower Hubbard Creek, and Upper Hubbard Creek roads and associated culverts are retained for landowner and public access. The Upper Hubbard Creek Facilities area is reclaimed as a parking lot and trailhead to provide access to adjacent U.S. Forest Service Lands. (Landowner and public access post mining use) The Hubbard Creek Fansite culvert and creek crossing remain in place to provide landowner and public access. The existing potable water supply treatment,storage and delivery system,intake water pump house, intake gallery and associated infrastructure and buildings will be retained as industrial/mining postmining land use,to continue to supply domestic water to the town of Somerset. TR-78 2.05-70 Revised Feb. 2020