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Answer to Question #6692 Submitted to "Ask the Experts"Category: Policy, Guidelines, and Regulations — Guidance Documents The following question was answered by an expert in the appropriate field: Q
Is it true that there will be new annual dose limitation from the International Commission on Radiological Protection (ICRP) (2005 recommendation)? How will it affect us? Does the United States still use dose limitation from ICRP 26? Is there any plan to use the new one soon?
A
The ICRP has continued with the development of a revised set of recommendations. The draft that was published for public consultation in 2005 has been substantially revised. Another draft was available for public consultation in the summer of 2006. The ICRP, at its meeting in March 2007, approved the revised recommendations, and the actual publication is expected in October-November 2007. The actual values for dose limits are not expected to change with the revised recommendations.
The dose limitation system used in the United States is principally that from ICRP 26, but some requirements actually date back to older recommendations, and the Nuclear Regulatory Commission (NRC) has allowed licensees to apply for, and use, the ICRP 60 recommendations on a case-by-case basis. The Department of Energy recently completed a rulemaking which incorporated some of the ICRP 60 system into its regulations.
In the United States, Federal Guidance for Occupational and Public Exposure signed by the President and regulations of the federal agencies are based, in part, on the ICRP recommendations. Through the Federal Interagency Steering Committee on Radiation Standards discussions have already begun on how the revised ICRP recommendations will be incorporated into the U.S. system. Each agency, such as the NRC, will also consider what changes will be appropriate. The NRC staff plans to provide options for the Commission to consider in 2008.
Donald Cool, PhD
Answer posted on 9 November 2007. The information and material posted on this Web site is intended as general reference information only. Specific facts and circumstances may alter the concepts and applications of materials and information described herein. The information provided is not a substitute for professional advice and should not be relied upon in the absence of such professional advice specific to whatever facts and circumstances are presented in any given situation. Answers are correct at the time they are posted on the Web site. Be advised that over time, some requirements could change, new data could be made available, or Internet links could change. For answers that have been posted for several months or longer, please check the current status of the posted information prior to using the responses for specific applications.
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