Energia i regulacje · 23.07.1998

Minor Corrections, Clarifying Changes, and a Minor Policy Change

The Nuclear Regulatory Commission is amending its regulations to make minor corrections and clarifying changes to the NRC's 10 CFR Part 20, ``Standards for Protection Against Radiation.'' The final rule is also intended to conform other regulations with the Commission's 1991 revised radiation protection requirements. In addition, the final rule includes a minor policy change that raises the monitoring criteria for minors from 0.05 rem (0.5 mSv) to 0.1 rem (1 mSv) in a year and for declared pregnant women from 0.05 rem (0.5 mSv) to 0.1 rem (1 mSv) during their pregnancies. The 0.1 rem (1 mSv) in a year deep dose equivalent monitoring criterion is consistent with the public dose limit and represents a quantity more consistent with the measurement sensitivity of individual personnel dosimetry. Licensees are still required to ensure that the occupational dose limit of 0.5 rem (5 mSv) in a year is not exceeded for minors, that the dose limit of 0.5 rem (5 mSv) to an embryo/fetus due to occupational exposure of a declared pregnant woman is not exceeded during the course of the pregnancy, and that sufficient effort is made to ensure that substantial variations above a uniform monthly expo