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Virginia Administrative Code
Title 12. Health
Agency 5. Department of Health
Chapter 481. Virginia Radiation Protection Regulations
5/23/2017

12VAC5-481-760. Conditions Requiring Individual Monitoring of External and Internal Occupational Dose.

Each licensee shall monitor exposures from sources of radiation at levels sufficient to demonstrate compliance with the occupational dose limits of this part. At a minimum:

1. Each licensee shall monitor occupational exposure to radiation from licensed and unlicensed radiation sources under the control of the licensee 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% of the limits in 12VAC5-481-640 A;

b. Minors likely to receive, in one year from radiation sources external to the body, a deep dose equivalent in excess of 100 millirem (1 mSv), a lens dose equivalent in excess of 150 millirem (1.5 mSv), or a shallow dose equivalent to the skin or to the extremities in excess of 500 millirem (5 mSv);

c. Declared pregnant women likely to receive, during the entire pregnancy, from radiation sources external to the body, a deep dose equivalent in excess of 100 millirem (1 mSv); and

d. Individuals entering a high or very high radiation area.

2. Each licensee shall monitor (see 12VAC5-481-670) 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% of the applicable ALIs in Table 1, Columns 1 and 2, of Appendix B to 10 CFR Part 20;

b. Minors likely to receive, in one year, a committed effective dose equivalent in excess of 100 millirem (1 mSv); and

c. Declared pregnant women likely to receive, during the entire pregnancy, a committed effective dose equivalent in excess of 100 millirem (1 mSv).

Statutory Authority

§ 32.1-229 of the Code of Virginia.

Historical Notes

Derived from Volume 22, Issue 25, eff. September 20, 2006; amended, Virginia Register Volume 24, Issue 18, eff. June 12, 2008; Volume 32, Issue 24, eff. August 25, 2016.

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