United States Nuclear Regulatory Commission - Protecting People and the Environment

Health Physics Questions and Answers - Question 85

Question 85: In §20.1902, posting of areas is based upon "dose equivalent." Is this "deep," "shallow," "lens of eye," "total effective" or some combination of the above?

Answer: These posting requirements are based on the deep dose equivalent for "radiation areas" and "high radiation areas" and the absorbed dose at a tissue depth of 1 cm (1000 mg/square cm) for "very high radiation areas." See the answer to Question 74.

References: 10 CFR 20.1003, 10 CFR 20.1902)

Page Last Reviewed/Updated Monday, September 28, 2015