International Commission on Radiological Protection

REGULATORY AGENCIES - CHEMICALPROCESS INDUSTRY] (Vol 21) International Commission on Radiological Protection... 

Recommendations of the International Commission on Radiological Protection," International Commission on Radiological Protection, Pubhcation 26, Pergamon Press, Oxford, U.K., 1977. 

U.S. radiation protection guidelines are estabHshed by the National CouncH on Radiation Protection and Measurement (NCRP) and are based on the recommendations of the International Commission on Radiological Protection (ICRP). The National Research CouncH also sponsors a report from its advisory committee on the biological effects of ionizing radiations (20). 

The radiological hazard of tritium to operating personnel and the general population is controlled by limiting the rates of exposure and release of material. Maximum permissible concentrations (MPC) of radionucHdes were specified in 1959 by the International Commission on Radiological Protection (79). For purposes of control all tritium is assumed to be tritiated water, the most readily assimilated form. The MPC of tritium ia breathing air (continuous exposure for 40 h/wk) is specified as 185 kBq/mL (5 p.Ci/mL) and the MPC for tritium in drinking water is set at 3.7 GBq/mL (0.1 Ci/mL) (79). The maximum permitted body burden is 37 MBq (one millicurie). Whenever bioassay indicates this value has been exceeded, the individual is withdrawn from further work with tritium until the level of tritium is reduced. 

International Commission on Radiological Protection PubHcation 2, Report of Committee II on Permissible Dose for Internal Radiation, Pergamon press, Oxford, 1959. 

In 1959 the International Commission on Radiological Protection (ICRP) recommended a "maximum permissible concentration of plutonium in water (MPCW) for unlimited public use" of 5x10 5 Ci/m3 ( xlO6 Bq/m3) (64). In 1979 ICRP introduced the concept of ALI ("annual limits of intake"). For 239Pu the value was set at 2xl06 Bq (or 0.9 mg) per year (35). Because man consumes about 0.5 m3 water/year, this ALI value corresponds to 4x106 Bq/m3 potable water. 

ICRP—See International Commission on Radiological Protection Impurity levels after electrorefining... 

ICRP. 1989. Age-dependent doses to members of the public from intake of radionuclides Part 1. International Commission on Radiological Protection. Oxford Pergamon Press, 67-68, 75-89. 

ICRP. 1979. International Commission on Radiological Protection. Limits for intakes of radionuclides by workers. ICRP Publication 20. Vol. 3. No. 1-4. Oxford Pergamon Press. 

ICRP International Commission on Radiological Protection, Principles for Limiting Exposure of the Public to Natural Sources of Radiation, Publication 39, Ann, of ICRP 14 1-8 (1984). 

Cooperate with the International Commission on Radiological Protection, the International Commission on Radiation Units and Measurements, and other national and international organizations, governmental and private, concerned with radiation quantities, units, and measurements and with radiation protection. 

Data from International Commission on Radiological Protection [ICRP] 1977, 1991a Hobbs and McClellan 1986 United Nations Scientific Committee on the Effects of Atomic Radiation [UNSCEAR] 1988. 

Assimilation fractions of various elements recommended by the International Commission on Radiological Protection are presented in detail by Whicker and Schultz (1982b). 

International Commission on Radiological Protection (ICRP). 1977. Recommendations of the international commission on radiological protection. ICRP Publ. 26. Ann. ICRP 1 (3) 1 -53. 

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