. . ,7lS- . ’ which in our judgment should be caually applicable to occupational exposure standards. ~ A Comalttee of the ICRP in 1969 reviewed the same material that formed the basis for the STIR Report and indicated that the somatic effects of radiaticn were 5 to 6 times worse than was estimated previously. The ICRP made no recommendations relative to the exvosure standards; . The choice between no change and a partial ana tentative revision will depend, so it seems to us, not only on a scientific assessment si evidence, but also on practical msicerations, such as tne ganeraid ivy of stability in the reco: cns over a period of years. TF! 1c2 batveen Practical considerati incomplete Sclentific avidance i ar for judgement outside the pup's trame of refsrence. less, it seemed uselul to give an examcle in Appendix IV of how our conclusions about relative tissue sensiztivity to cancer induction py radiation might he used as a basis for sattinzr dose limits ror individual tissues ani exgans and pernaps ror the wnole bod:..6/