4. U. S. Environmental Protection Agency and Food and Drug Administration

The U. S. Environmental Protection Agency and the Food and Drug Administration in their guides to emergency and protective action insofar as dose to the thyroid is concerned set the standards for action as 5-25 rad and 1.5-15 rad, respectively. Their ingestion protective action guides are set at 1.5 rad and 15 rad, the former being the preventive action guide and the latter the emergency action guide. At thyroid doses of 25 rad or greater administration of stable iodine is recommended.

References

FRC (Federal Radiation Council). 1960. Background Material for the Development of Radiation Protection Standards. Report No. 1. Washington, DC.

FRC (Federal Radiation Council). 1961. Background Material for the Development of Radiation Protection Standards. Report No. 2. Washington, DC.

FRC (Federal Radiation Council). 1964. Background Material for the Development of Radiation Protection Standards. Report No. 5. Washington DC.


ICRP (International Commission on Radiological Protection). 1991. 1990 recommendations of the International Commission on Radiological Protection. ICRP Publication 60, Annals of the ICRP 21(1-3). Oxford: Pergamon Press.


NCRP (National Council on Radiation Protection and Measurements). 1953. Maximum Permissible Amounts of Radioisotopes in the Human Body and Maximum Permissible Concentrations in Air and Water. Handbook 52. Washington, DC: National Bureau of Standards.

NCRP (National Council on Radiation Protection and Measurements). 1954. Permissible Dose from External Sources of Ionizing Radiation. Handbook 59. Washington, DC: National Bureau of Standards.

NCRP (National Council on Radiation Protection and Measurements). 1959. Maximum Permissible Body Burdens and Maximum Permissible Concentrations of Radionuclides in Air and Water for Occupational Exposure. Handbook 69. Washington, DC: National Bureau of Standards.

NCRP 1960. Somatic dose for the general population. Report of an Ad Hoc Committee. Science 131:482-486.

NCRP (National Council on Radiation Protection and Measurements). 1993. Limitation of Exposure to Ionizing Radiation. NCRP Report No. 116. Bethesda, MD: National Council on Radiation Protection and Measurements.



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