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Prince Albert Mine Plan of Operations Reclamation Plan <br />5.3 Site Locations Affected by Toxic or Deleterious Materials <br />Details for the reclamation of mine site areas and locations that are affected, or may be affected, by <br />toxic materials are included in the DRMS Exhibit U Environmental Protection Plan (EPP). These <br />area include the following locations - <br />• Decline Portal (EPP) <br />• Uranium Ore Storage and Handling (EPP) <br />• Uranium Ore Transportation (EPP) <br />• Mine Waste Rock Storage and Handling (EPP) <br />• Storm Water Management (EPP) <br />5.4 Location Specific Reclamation <br />Reclamation procedures for areas or features that do not involve the handling of toxic, or potentially <br />toxic, materials are listed below. Reclamation procedures for specific locations related to toxic, or <br />potentially toxic, materials handling are detailed in the Exhibit U "EPP." <br />5.5 Reclamation of Ventilation Shaft(s) <br />One 36" to 60" diameter ventilation shaft location is included in the current mining plan (see section <br />5.1.3 "Ventilation Borehole(s)" and Figure 3 "Mine Plan Site Map "). A closure procedure will be <br />submitted to the DRMS and BLM at the time of closure for review and approval. A preliminary <br />closure methodology is included below for this reclamation plan. <br />Reclamation of the ventilation shafts will be done in the following steps: <br />a. Remove the fan and fan support framework. <br />b. Excavate the soils from around any installed borehole casing to form a work space using a <br />track -hoe. The workspace will be approximately six (6) feet wide by three (3) feet deep. <br />c. Cut any installed borehole casing off at the excavated ground level (cut off approximately <br />three feet of casing). <br />d. Install a borehole seal using expanding foam (PUFF) in accordance with the DRMS <br />methodology detailed in the DRMS Abandoned Mine Reclamation Program. Alternate <br />approved closure methods may be investigated during final reclamation period. <br />e. Backfill the excavation with excavated soils and imported clean structural fill, as necessary, to <br />bring to grade; bucket tamping the fill as it is placed. <br />f. Grade smooth and then rip the disturbed area around the borehole location <br />g. Spread the equivalent of six (6) inches of loose topsoil over the ripped area and drill seed in <br />accordance with the seeding schedule listing below. <br />Rimrock Exploration and Development Page 20 of 27 <br />