International Commission on Radiological Protection (ICRP, a non-governmental, independent organization, founded in 1928), in its meeting held at Essen, Germany during 19-21 March, 2007 approved a set of new fundamental recommendations on the protection of man and the environment against ionizing radiation. These recommendations will replace the existing 1990 Recommendations of the ICRP, published in 1991 (ICRP-60, 1991). The new recommendations take into account of new biological and physical information and trends in the setting of radiation standards. For the first time, recommendations were made giving more emphasis to protection of the environment and developing a framework for protection of non-human species.
In brief (as per the final draft): Individual related protection principles remain the same. There are changes in Radiation weighting factors, particularly for protons and neutrons and Tissue weighting factors (reduced for some organs/tissues). There is considerable reduction in the nominal risk coefficient for hereditary effects. However, there is no change in the numerical values in individual-related dose limits applicable for all planned exposure situations.
The recommendations will be published in the Commission’s journal, the Annals of the ICRP, 2007.
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