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RULE 2 PERMITS <br /> <br />Rule 2 Permits 2.05-25 Revision Date: 3/7/25 <br /> Revision No.: TR-166 <br />mix concrete method instead the method in #1 to within 3 feet of the ground surface. <br />3. Drill holes with no water or coal zones may be plugged by backfilling with cuttings, and <br />placing a plug ten feet below the ground surface to support a cement plug or bentonite <br />chips to within 3 feet of the ground surface. <br /> <br />For safety considerations, exploration drill holes that will eventually be mined through during <br />normal mining activites need only be covered with wood, plastic or other such material or <br />otherwise bermed to prevent access until mining operations mine through each hole. <br /> <br />Those holes completed in aquifers will be sealed entirely with cement or other suitable sealant to <br />within 3 feet of the ground surface. <br /> <br />Where possible, the sealed holes will be marked. At times reclamation operations will cover up <br />the sealed drill holes and marking of holes will not be possible. <br /> <br />Within 60 days of the abandonment of a drill hole, approved drilling program or when requested <br />by the Division, the following information will be submitted: <br /> <br />a) Location of drill hole as plotted accurately on a topographic map. <br />b) Depth of drill hole. <br />c) Surface elevation of drill hole. <br />d) Intervals where water was encountered during drilling activities. <br />e) Diameter of drill hole <br />f) Type of amount of cement or other sealant used. <br />g) Name of drilling contractor and license number of rig. <br />h) How the hole was worked. <br /> <br />Exploration taking place inside and outside of the permit area will be handled through the Notice <br />of Intent (NOI) procedures. See the appropriate NOI for details for each program. <br /> <br />Water and Air Quality Control Techniques <br /> <br />Steps to be taken to comply with the Clean Water Act and other applicable water quality laws and <br />regulations and health and safety standards include a comprehensive drainage and sediment control <br />plan described in Section 2.05.3 and Sections 4.05.1 through 4.05.18. With respect to compliance <br />with the Clean Water Act, Colowyo has a discharge permit from the Colorado State Department <br />of Health under the National Pollutant and Discharge Elimination System (NPDES). Compliance <br />with this permit will serve to effect compliance with the Clean Water Act and the Colorado Water <br />Quality Control Act. A copy of this submittal is presented in Exhibit 7, Hydrology Information. <br /> <br />Colowyo, likewise, operates under several emission permits from the Colorado Department of <br />Health, Air Pollution Control Division. Fugitive dust control measures will be employed as an <br />integral part of the mining and reclamation operations. <br /> <br />Colowyo conducts air quality monitoring at the site in accordance with the requirements of <br />emission permits approved by the Colorado Air Pollution Control Division. A copy of all