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Section 1 <br />Introduction <br />The Colorado Mined Land Reclamation Board (Board) has not yet promulgated the <br />40 revised administrative rules that address the expanded definition of DMOs to include <br />all uranium mines as set forth in Colorado HB 1161. Therefore, specific direction <br />regarding compliance with Colorado HB 1161 for conventional uranium mines is not <br />yet present in the Mineral Rules and Regulations of the Colorado Mined Land <br />Reclamation Board for Hard Rock, Metal, and Designated Mining Operations <br />(HRMMR). <br />This classification of the Van 4 Mine as a DMO requires the preparation of an EPP. An <br />EPP is defined by the CMLRA § 34-32-103 (4.9) C.R.S.: <br />"Environmental Protection Plan" means a plan submitted by a designated <br />mining operation for approval as part of the Operator's or Applicant's permit <br />for such operation pursuant to rules promulgated by the board for protection <br />of human health or property or the environment in conformance with the <br />duties of operators as prescribed by this article. <br />In addition, the CMLRA § 34-32-112.5(2) C.R.S. provides for exemption of a mine <br />from DMO status if: <br />...an operator demonstrates to the board at the time of applying for a permit or <br />at a subsequent hearing that toxic or acid chemicals are not stored or used on- <br />site and that acid- or toxic-producing materials will not be used, stored, or <br />. disturbed in quantities sufficient to adversely affect any person, any property, <br />or the environment. <br />Denison has prepared this EPP in accordance with Denison 's corporate commitment <br />to environmental protection, and their obligation for protection of human health, <br />property, and the environment in conformance with the duties of operators as <br />prescribed by the CMLRA. <br />This document is generally organized in accordance with existing rules at HRMMR § <br />6.4.20. However, as mentioned previously, the rules have not yet been modified to <br />provide specific direction for conventional uranium mines designated as DMOs by <br />Colorado HB 1161. Therefore, the organization of this document has been modified <br />somewhat to address site-specific issues. This document is organized as follows: <br />¦ Section 2.0- Potential for Adverse Impacts; [HRMMR §§ 6.4.20(1) and 6.4.20(14)] <br />¦ Section 3.0- Environmental Protection Measures and Monitoring Required by Other <br />Agencies; [HRMMR §§ 6.4.20(3) and 6.4.20(4)] <br />¦ Section 4.0- Designated Chemical(s) Evaluation; [HRMMR § 6.4.20(5)] <br />¦ Section 5.0- Handling of Designated Chemicals and Acid- or Toxic-forming <br />Materials; [HRMMR § 6.4.20(6)] <br />• <br />1-2 <br />7:\84988-Denison Mines\Task Order 4 - EPP Sunday Mines Group-Van4\Van4TlNAL ReporITINAL - Environmental Protection Plan Van4.doc