MAJOR CHANGES IN ENVIRONMENTAL RADIATION PROTECTICN CRITERIA ICRP No, 26 CoMMITTED VS, ANNUAL DOSE EQUIVALENT SUMMATION OF Risk - Use oF WerGHutinGe Factors ASSUMPTIONS AS TO DISTRIBUTION OF Dose (Risk) In ExPosep PoPULATION EPA MULTIPLE Time Pertops - Years of Committep Dose YEARS OF CONTINUING EXPOSURE YEARS OF ENVIRONMENTAL BuILDUP QUANTIFICATION OF ALARA