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EPA. However, Energy Fuels is proposing to use the Utah vent shafts for air intakes <br />rather than exhaust purposes during the initial phases of mine development that are <br />covered in this Construction Application (i.e., all radon-222 emissions will initially be <br />limited to Colorado). <br />The Whirlwind Mine is expected to produce up to 50,000 tons per year once full <br />production is achieved and produce in excess of the 100,000 ton threshold (described <br />above) over the life of the mine. Therefore, Energy Fuels is submitting this Application <br />for Approval of Construction as required by 40 CFR Part 61.07. This application focuses <br />on the underground ventilation circuit, estimated radon-222 emissions, and the estimated <br />radon-222 dose that will be received by the nearest member of the general public. <br />Compliance with the emission standard will be verified annually through reporting by the <br />operator using data collected at the mine and EPA's COMPLY-R modeling software. <br />Because the mine is located in a lightly populated rural area, impacts to the general public <br />are expected to be minimal. <br />Radiation and other air emissions at the Whirlwind Mine are also regulated by the Mine <br />Safety and Health Administration (MSHA) and the Colorado Department of Public <br />Health and Environment (CDPHE). Radiation and dust particulate levels within the mine <br />working areas are regulated by MSHA under 30 CFR Part 57 while fugitive dust and <br />other non-radon-222 emissions at the mine site are regulated by the Colorado Air <br />Pollution Control Division (APCD) of CDPHE under Title 5 of the Colorado Code of <br />Regulations (CCR). Current APCD permits for the Whirlwind Mine include generator <br />emissions, particulate matter emitted from underground ventilation systems, and fugitive <br />dust from surface activities. <br />This application has been divided into five sections including this introduction. Section 2 <br />presents a short history of the mine while Section 3 provides construction plans <br />describing how the mine's ventilation system will be established for each phase of mine <br />operations. Section 4 provides radon-222 dose estimates at the nearest resident for each <br />mining phase based on data collected to date and COMPLY-R modeling. Section 5 <br />presents Energy Fuels' proposed monitoring plan for reporting annual radon-222 <br />emissions and estimating the effective dose to the nearest resident. <br />2