Answer to Question #2115 Submitted to "Ask the Experts"
Category: Policy, Guidelines, and Regulations
The following question was answered by an expert in the appropriate field:
I am trying to find out if there are any safety requirements in regard to imaging suite design such as room size, distance between patient and technologist in order to minimize technologist's exposure to radiation, etc.?
The regulatory requirements for occupational exposure, including medical personnel, can be found at the Nuclear Regulatory Commission website, 10 CFR Part 20.1201 (i.e., 5 rem per year total effective dose equivalent for a whole-body exposure) or the equivalent regulations of the state in which the potential exposures occur. In addition, the radiation dose limits for individual members of the public (100 mrem per year) can be found at 10 CFR 20.1302 (as well as in the state regulations).
As far as safety recommendations, a good text to use and reference is the National Council on Radiation Protection and Measurements (NCRP) Report No. 107, "Implementation of the Principle of As Low As Reasonably Achievable (ALARA) for Medical and Dental Personnel." This report is part of a series of NCRP documents which discusses cost-benefit analyses, time-distance, and shielding considerations in a medical environment in order to minimize radiation exposures to individuals. Other NCRP Reports which also may be of assistance are NCRP No. 59, "Operational Radiation Safety Programs"; NCRP Report No. 71, "Operational Radiation Safety Training"; and NCRP No. 105, "Radiation Protection for Medical and Allied Health Personnel."
Cynthia G. Jones, PhD
Senior Assistant for Materials
Answer posted on 9 April 2003. The information and material posted on this website 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 Website. 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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