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Walter & Patricia Dorlac <br />RE: SerFer Pit Mining Application Comment Response <br />July 3, 2008 <br />Page 2 of 6 <br />c. We also submit that a preconstruction survey be done to have a baseline elevation <br />map with contours available for post mine reclamation. <br />In the absence of a survey, approved USGS elevation data has been utilized to <br />determine baseline elevation. <br />2. This proposed mine is in very close proximity to a 200+ home subdivision. In some <br />places it is within 500 feet of existing homes. This may be unprecedented. <br />Although there is no database that contains this information, a brief search <br />revealed other instances of mines being near residential areas. <br />a. The silicon and dust. particulate fallout from day to day operations of the mine must <br />be addressed from a health concern. The Division must guarantee the air quality will <br />remain at pre-mining levels throughout the mining operation. Pre-mining level air <br />quality surveys for residential areas must be used instead of rural level requirements; <br />The site will meet all state and local standards for dust control as defined by the <br />Colorado Department of Public Health and Environment (CDPHE) and the Town <br />of Windsor. A Fugitive Dust Control Plan will be submitted as part of the <br />Construction Permit and Air Pollutant Emission Notices (APEN) permit <br />application. A Particulate Emissions Control Plan is included in the Construction <br />Permit and describes how the dust and particulate matter will be controlled. <br />b. Although permitting will be under the jurisdiction of the township of Windsor, the <br />Division should require Larimer County to enforce these air quality concerns since <br />greater_resources at their Jurisdictional authority is delineated by intergovernmental agreements between <br />the Town of Windsor, Weld County, and Larimer County. Air quality <br />enforcement falls under the jurisdiction of the Colorado Department of Health and <br />Environment (CDPHE). <br />c. An EPA assessment should be required prior to permitting; and <br />Currently, there is no requirement for an assessment by the Environmental <br />Protection Agency prior to permitting. However, Connell Resources, Inc. will <br />adhere to the Colorado Department of Public Health and Environment (CDPHE) <br />permitting requirements. Furthermore, environmental concerns will be addressed <br />by the Rules and Regulations established by the Division of Reclamation, Mining <br />and Safety (DRMS).