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~ ~ III IIIIIIIIIIIIIIII <br />STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Dep. nmem of Nahual Resources <br />1 31 3 Sherman 51., Ruom 21 5 <br />Denver, Colorado 80207 <br />Vhone: (7071 N66-J 567 <br />FA%: 13(Ih 832-8106 <br />July 18, 1996 <br />Ms. Michelle R. Rehmann <br />Environmental Coordinator <br />Energy Fuels Nuclear, Inc. <br />One Tabor Center, Suite 2500 <br />1200 17th Street <br />Denver, CO 80202 <br />RE: DMO DETERMINATION -West Sunday Mine -Permit No. M-81-021 <br />And Sunday Mine - Pernnit No. M-77-285 <br />Dear Ms. Rehmann: <br />II~~~ <br />DEPARTMENT OF <br />NATURAL <br />RESOURCES <br />Roy Ramer <br />Gnvernrn <br />lames 5. Lochhead <br />Executive Director <br />nlichael B. Long <br />Division Dveclor <br />The Division completed its review of your August 1995 submittal for an exemption from DMO <br />determination. II is the Division's decision that the operator did not satisfactorily demonstrate that <br />the operation is not a Designated Mining Operation. Specifically, the operator did not demonstrate <br />that toxic-forming materials wiCl not be exposed or disturbed in quantities sufficient to adversely <br />affect human health, property or the environment. <br />Pursuant to Rule 7.2.4(1)(a) "If the operator/applicant does not satisfactorily demonstrate to the <br />Office that the operation is not a Designated Mining Operation, the Office shall [Hake a final <br />determination that the operation is a Designated Mining Operation". <br />in order to demonstrate that toxic-forming materials are ur are not exposed or disturbed iu <br />u_uantities sufficient to adversely affect human health, property or the environment, the operator will <br />be required to collect samples fl•om the waste dumps for chemical analyses. The material should <br />be analyzed, primarily, for uranium and vanadium. <br />Since the biggest problem with waste rock is the potential long-term exposure to ionizing radiation <br />from Radium-226, collection of the samples can be determined by radio-metric surveys. Only those <br />samples that exhibit high radioactive constituents (high scintilloroeter readings) need to be collected <br />and analyzed. <br />The operator will be required to collect an adequate amount of samples from the Sunday and West <br />Sunday waste dumps by August 31, 1996. The results of the analyses must be submitted to the <br />Division by September 30, 199fi. <br />