Table I Comparison of Observed Yersus =xpected Reduction Factors i of Persons Mean Reduction Factor Expected Reduction Factor for adult Mates *!? NA 2.4 Observed Reduction Factor for Adult Bikini Males 17 2.3 Expected Reduction Factor for Adult Females ‘7? MA 3.5 Observed Reduction Factor for Adult Bikini Females 16 3.8 Expected Reduction Factor for Children Ages 5-142? NA 5.9 Observed Reduction Factor for Children Ages 5-14 12 Description 12, NA = Data Not Available (1) Effective half time obtained from ICRP Publication LOA CICRP 71). (2) Effective half time obtained from NCRP Report 52 (NCRP 77).