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RULE 4 PERFORMANCE STANDARDS <br />RULE 4 PERFORMANCE STANDARDS <br />4.01 General Provisions <br />4.01.1 Scope and Objectives <br />Rule 4 establishes the minimum environmental protection performance standards adopted and <br />implemented under the Colorado regulatory program for surface coal mining and reclamation <br />operations. <br />Colowyo has included information within this Section to insure that surface mining activities are <br />conducted in compliance with the performance standards and in a manner which maintains <br />environmental values. <br />4.02 Signs and Markers <br />4.02.1 Specifications <br />Colowyo has posted and will maintain all signs and markers required by this section. All of the <br />signs are of uniform design and can be easily seen or read. The signs are made either of metal or <br />wood; they are durable enough to withstand extreme climatic conditions that are inherent at the <br />operations. The signs conform with local ordinances and codes. <br />Colowyo will maintain signs and markers during the conduct of all activities to which they <br />pertain. <br />4.02.2 Mine and Permit Identification Signs <br />Appropriate signs identifying the mine area are displayed at all major point of access to the <br />permit boundary from Highway 13 and Moffat County Roads 17, 32, and 51. These signs indicate <br />the name, business address, and telephone number of Colowyo and identification numbers of <br />mining and reclamation permits. <br />4.02.3 Perimeter Markers <br />The perimeter of the permit boundary is marked with metal signs and/or wire fencing where <br />appropriate. Additional markers, if deemed necessary, include steel fence posts painted orange or <br />capped with PVC caps painted orange. <br />In 2014, working in cooperation with the Bureau of Land Management, Colowyo upgraded some <br />existing grazing fences within the permit boundary, and installed new fences along several <br />portion of the permit boundary south and west of the South Taylor Pit that were previously <br />signed but not fenced. This collective effort allowed greater visibility of Colowyo's permit <br />boundary, Colowyo private properties, and provided a greater public safety boundary on BLM <br />lands adjacent to the active mining area. <br />Rule 4 Performance Standards 4-1 Revision Date: 4/2/18 <br />Revision No.: RN -07 <br />