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Virginia Administrative Code
Title 12. Health
Agency 5. Department of Health
Chapter 481. Virginia Radiation Protection Regulations
12/26/2024

12VAC5-481-250. Units of radioactivity.

For the purposes of this chapter, activity is expressed in the special unit of curies (Ci) or in the SI unit of becquerels (Bq), their multiples, or their disintegrations (transformations) per unit of time.

1. One becquerel equals 1 disintegration per second (s-1).

2. One curie equals 3.7 x 1010 disintegrations per second equals 3.7 x 1010 becquerels equals 2.22 x 1012 disintegrations per minute.

Statutory Authority

§ 32.1-229 of the Code of Virginia.

Historical Notes

Derived from Virginia Register 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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