Licensees must, when determining the dose from airborne radioactive material, include the contribution to the deep-dose equivalent, lens dose equivalent, and shallow-dose equivalent from external exposure to the radioactive cloud (10 CFR, Part 20, Appendix B, Footnotes 1 and 2 to 20.1001 to 20.2401).

NOTE: Airborne radioactivity measurements and DAC values should not be used as the primary means to assess the deep-dose equivalent when the airborne radioactive material includes radionuclides other than noble gases or if the cloud of airborne radioactive material is not relatively uniform. The determination of the deep-dose equivalent to an individual should be based upon measurements using instruments or individual monitoring devices.

Statutory/Other Authority

ORS 453.635

Statutes/Other Implemented

ORS 453.605 - 453.807

History

PH 14-2008, f. & cert. ef. 9-15-08
PH 4-2007, f. & cert. ef. 3-1-07
PH 12-2006, f. & cert. ef. 6-16-06
HD 15-1994, f. & cert. ef. 5-6-94