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Mr. Allen S. Weaver -3- April 18, 1994 Energy Fuels Mining Company 14. Rule 2.05.6(61: The existing permit application states on page 534 that subsidence will occur over the undermined area. (a) Per 2.05.616)(a-, please provide an inventory of all structures existing within the permit and adjacent areas, including the sediment pond, the permanent stream channel diversion, its associated culverts, the refuse pile, all backfilled portals, and all structures proposed to remain following reclamation; (b) Per 2.05.6(6)(a)(ii)(A-, please provide a description of each of these structures; (c) Per 2.05.6(6)(a)(ii)(B), please provide a structure inventory map prepared pursuant to Rule 2.10 that identifies the location and configuration of these structures; (dl Per 2.05.6(6)(b)(il, please provide a description of the worst possible consequences which subsidence would have upon these structures. Please include in this descrip- tion adetermination of whether subsidence will cause material damage to, or diminu- tion of reasonably foreseeable use of, these structures (definitions of material subsidence damage to, and diminution of reasonably foreseeable use of, structures may be found in Rule 2.05.6(6)(e)(ii)(A- and IC)). Please also provide a brief descrip- tion of subsidence-related phenomena predicted within the permit and adjacent areas (2.05.6(6)(b)(i)(B)1. (e1 If the description of worst possible subsidence consequences determines that no material damage to, or diminution of reasonable foreseeable use of, the structures within the permit and adjacent areas will occur, and the Division concurs with that determination, then, pursuant to Rule 2.05.6(6)Ib)(ii), asubsidence monitoring program, as described in 2.05.6(6)(c) and designed to determine the accuracy of that conclusion, will need to be prepared. (f) If the description of worst possible subsidence consequences determines that no material damage to, or diminution of reasonable foreseeable use of, the structures within the permit and adjacent areas will occur, but the Division does not concur with that determination, or if the description of worst possible subsidence consequences determines that either material subsidence damage to, or diminution of reasonably foreseeable use of, any of the structures will occur, then, pursuant to 2.05.6(61(b)(iii), either a subsidence survey (described in 2.05.616)(e)), or a subsidence control plan (described in 2.05.6(6)(f)) will need to be prepared. 15. Rule 4.03: Please describe whether any new roads are planned as a result of this TR. If any new roads are to be constructed, please describe the types and locations of these roads. 16: Rule 4.05.1(4-(b)(iv) and (v): Please discuss whether the watershed diversion ditches above the refuse pile are planned for removal or for permanent retention. If they are planned for removal, then the drainages above the refuse pile will be conveying their runoff