North Carolina Administrative Code (Last Updated: November 13, 2014) |
TITLE 15A. ENVIRONMENT AND NATURAL RESOURCES |
CHAPTER 11. RADIATION PROTECTION |
15A NCAC 11 .1614. MONITORING OF EXTERNAL AND INTERNAL OCCUPATIONAL DOSE
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Each licensee or registrant shall monitor exposures to radiation and radioactive material at levels sufficient to demonstrate compliance with the occupational dose limits of this Section. As a minimum:
(1) Each licensee or registrant shall monitor occupational exposure to radiation and shall supply and require the use of individual monitoring devices by:
(a) adults likely to receive, in one year from sources external to the body, a dose in excess of 10 percent of the limits in Rule .1604(a) of this Section;
(b) minors likely to receive, in one year, from sources of radiation, a deep dose equivalent in excess of 0.1 rem (1 mSv), a lens dose equivalent in excess of 0.15 rem (1.5 mSv), or a shallow dose equivalent in excess of 0.5 rem (5 mSv);
(c) declared pregnant women likely to receive, during the entire pregnancy, from sources of radiation external to the body, a deep dose equivalent in excess of 0.1 rem (1 mSv); and
(d) individuals entering a high or very high radiation area.
(2) Each licensee shall monitor the occupational intake of radioactive material by and assess the committed effective dose equivalent to:
(a) adults likely to receive, in one year, an intake in excess of 10 percent of the applicable ALI(s) in Table 1, Columns 1 and 2, of Appendix B to 10 CFR 20.1001 - 20.2402; and
(b) minors likely to receive, in one year, a committed effective dose equivalent in excess of 0.1 rem (1mSv); and
(c) declared pregnant women likely to receive, during the entire pregnancy, a committed effective dose equivalent in excess of 0.1 rem (1mSv).
History Note: Authority G.S. 104E-7(a)(2);
Eff. January 1, 1994;
Amended Eff. January 1, 2005; August 1, 2002.