1995-08-11_REVISION - M1977493 (9)

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. CLIMAX MINE Climax Molybdenum Company ENVIRONMENTAL PROTECTIONPLAN 1.0 Introduction 1.1 Purpose and Objectives In April 1994, the Colorado Mined Land Reclamation Board (Board) approved and promulgated amendments to the Mineral Rules and Regulations under the Colorado Mined Land Reclamation Act (Act). The most important of these changes is the classification and definition of a "Designated Mining Operation" and the addition of Section 6.4.19 EXHIBIT S - Designated Mining_Operation Environmental Protection Plan in Rule 6. _ A "Designated Mining Operation" (DMO) is defined as a mining operation where: • "designated chemicals used in metallurgical processing are present on-site; or • toxic or acid-forming materials will be exposed or disturbed as a result of mining operations; or • acid mine drainage occurs or has the potential to occur due to mining or reclamation activities." The Colorado Division of Minerals and Geology (DMG), the agency that administers the Mineral Rules and Regulations, formally notified the Climax Mine that it was a DMO (letter to Mr. Frank Zancanella, dated August 3, 1994). The Climax Mine concurred with the designation on August 31, 1994 (letter to Mr. Bruce Humphries, DMG). Briefly, the purpose of the Environmental Protection Plan (EPP) is to define how the DMO operator will protect those areas that potentially could be affected or impacted by "designated chemicals, toxic or acid-forming materials or acid mine drainage." "Designated Chemicals" are defined in Rule 1, Section 1.1 (11) as "toxic or acidic chemicals used within the permit area in extractive metallurgical processing, the use of which, at certain concentrations, represents a potential threat to human health, property or the environment." The Climax Mine EPP is submitted as a Technical Revision to its existing Regular(112) Mining 1