a United States Government Department’of Energy MeMmOranauly pate: January 12, 1984 REPLY TO ATTN OF: GC-30 sussect: EPA Proposed Emission Standards for Radionuclides TO: T. J. E. 5. WwW. T. Garrish Trivelpiece Kane Patterson Siebert Thiessen Williams Attached for your review and comment is a draft letter from Secretary Hodel to William Ruckelshaus recommending that EPA withdraw its proposed regulations for radionuclide emissions from DOE facilities. . ¢ Based upon EPA's criteria for its recent decision on regulating sources of benzene emissions under section 112 of the Clean Air Act, the regulation of radionuclide emissions from DOE facilities is not justified. Similar to the three sources of emissions of benzene for which EPA decided to withdraw its proposed regulations, the health risks (both the maxinum lifetime individual risk and the annual increased incidence of cancer ‘in the exposed population) from current radionuclide emissions from DOE facilities are exceedingly small and would not be appreciably reduced by the costly proposed regulations. I would appreciate receiving your comments by close of business Monday, January 16, 1984. . Lb fedCosbord Pe, | Stephen H. Greenleigh Attachments As stated To eee ew ee ee meee ne pe _ Ee Ee. TR ee

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