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A total calculated value of 0.691 Ci of radon was emitted from the mine portal. The <br />calculation was based on ventilation flow rates, hours of operation, and radon <br />concentrations. See attached back-up calculations. <br />The effective. dose equivalent to the nearest resident calculated by COMPLY-R was <br />0.066 mrem for 2008. The output print out from the COMPLY-R program is attached. <br />"I certify under penalty of law that I have personally examined and am familiar with the <br />information submitted herein and based on my inquiry of those individuals immediately <br />responsible for obtaining the information, I believe that the submitted information is true, <br />accurate and complete. I am aware that there are significant penalties for submitting false <br />information including the possibility of fine and imprisonment. See, 18 U.S.C. 1001." <br />4 <br />Stephen Antony <br />Vice President/Chief Operating Officer <br />Energy Fuels Resources Corporation <br />Please feel free to contact me at (303) 974-2151 if you need any additional information. <br />Sincerely, <br />l? <br />Zach Rogers, EIT <br />Environmental Engineer <br />Attachment <br />Cc: Jeff Osborn, Frank Filas (Energy Fuels) <br />Scott Gerwe (BLM, Grand Junction) <br />Russ Means (DBMS, Grand Junction Field Office) <br />1`11'4; 1w Jj t 11lion Di"' d.. ',uik- 600