~2ao and, in this regard, indicated that the existing exposure standard was unnccessarily high. 3/ The ICR? Committee, while declining to make any recommendations, vresented a calculation to demonstrate now the new data on the biological effects of radiation could be used to lower the existing whole body expcsure Standards by a factor of ten. 4/ The reduction reauestcd in this Report corzessordés closely to this factor of ten in the ICRP Committee analysis. In January, 1971, while not recommending an overall NCRP recommended C that the occupacional excosure to one tenth the present r c4 “ in this Resort would also of this =} Reccrt, or exposure somatic and we snall genetic injury at the current maxinum permissible exvosure limit and compare this risk with those encountered in other occupations. analysis high. This will serve to indicate that the exvosure limit is too In Section TIL, we shall vresent our requested modifi- 3/ ibid., p.2. 2/ ICR? - Pudlication 14, on. 5/ iUCRP Resort No.39, Basic cit., Adpendin Iv. rn National Couneil en Radiation Pr Vashingtoa, D. C., 1971, 2p.92-93.

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