Alert

Due to a lapse in appropriations, the NRC has ceased normal operations. However, excepted and exempted activities necessary to maintain critical health and safety functions—as well as essential progress on designated critical activities, including those specified in Executive Order 14300—will continue, consistent with the OMB-Approved NRC Lapse Plan.

Health Physics Questions and Answers - Question 125

Question 125: 10 CFR 20.1301 (a) (2) requires that the "dose" in any unrestricted area from external sources not exceed 2 mrem in any one hour. Which of the many "doses" in new Part 20 is "the dose" in §20.1301 (a) (2).

Answer: The "dose" from external sources in 10 CFR 20.1301 (a) (2) means the deep dose equivalent or the eye dose equivalent or the shallow dose equivalent. See definitions of these dose terms in 10 CFR 20.1003.

(References: 10 CFR 20.1301, 10 CFR 20.1003)

Page Last Reviewed/Updated Tuesday, October 31, 2017