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III. Facility Operation <br />A. To ensure the accuracy of the dispersion model, Energy Fuels shall install a meteorological <br />station to collect site - specific wind rose data. The location of a site - specific meteorological <br />station shall be submitted to the Administrator for approval prior to installation. <br />B. Energy Fuels shall prepare Quality Assurance Project Plans (QAPPs) for: <br />1) The meteorological station, in accordance with EPA's Meteorological Monitoring <br />Guidance for Regulatory Modeling Applications (EPA- 454/R -99 -005). <br />2) The radon monitors, in conformance with the programs described for Continuous Radon <br />Monitors and Alpha Track Detectors in EPA 520/1 -89 -009 (40 CFR Part 61 Appendix <br />B, Method 115 1.2.4). <br />The QAPPs shall be submitted to the Administrator for approval prior to data collection. <br />IV. Monitoring, Reporting, and Recordkeeping Requirements <br />A. Energy Fuels shall monitor the radon discharge concentration continuously whenever the <br />• mine ventilation system is operational, in accordance with 40 CFR §61.23 and Test Method <br />A -6, of Appendix B, Method 115. [Note: prior approval for another method to be used at <br />this mine, such as Method A -7 Alpha Traek Detectors, must be approved by the EPA prior <br />to use.] <br />B. Energy Fuels shall measure each mine vent exhaust flow rate at least four times per year, as <br />required by 40 CFR Part 61 Appendix B, Method 115 1.1.1(b). The measurements shall be <br />taken to represent operating conditions during venting. Test Method 2 of Appendix A to 40 <br />CFR Part 60 should be used to determine velocity and volumetric flow rates (40 CFR Part <br />61 Appendix B, Method 115 1.2.2). <br />C. Energy Fuels shall use 40 CFR Part 61, Appendix B, Method 115 1.1.1(c), to calculate and <br />record a weekly radon -222 emission rate for the mine. <br />D. Energy Fuels shall use 40 CFR Part 60, Appendix A, Method 1 to determine velocity <br />traverses. The sampling point in the duct shall be either the centroid of the cross section or <br />the point of average velocity (40 CFR Part 61 Appendix B, Method 115 1.2.1). <br />E. Energy Fuels shall submit annual reports in accordance with 40 CFR §61.24 while the mine <br />is active. The reports shall cover the emissions of a calendar year and shall be sent to EPA <br />by March 31 of the following year. An "Active" mine means "an underground uranium <br />mine which is being ventilated to allow workers to enter the mine for any purpose" (40 CFR <br />§61.21(a)). <br />F. Energy Fuels shall maintain the records specified in 40 CFR §61.25, either at the mine or in <br />Energy Fuel's offices, for at least five years, and upon request, make the records available <br />