we --2 Zood areducts from corcaminated atolis or had recently visited ctnese atolls. Pooulation Census and Residence Atolls 1376. body burdens from May 1979 of individuals whose residence history on Bikini was minimal and who had not recently (within 2 years of August 1978) resided at Bikini Atoll were grouped together to form a comparison population. In August 1980, a second comparison population was selected from Majuro Atoll and Kili Island residents who had never resided on Bikini Atoll. counting data for this group is presented in Tables 21 through 24. marizes the populations. 137 The whole-body Table 25 sum- Cs data for both the May 1979 and August 1980 comparison The comparison population data were used in the computation of the 13705 long term biological removal rate constants reported in Table 15. Table 26 shows the number of April 1978 Bikini residents that were recounted on subsequent field trips. counted on each field trip. Column 2 lists the total number of people Column 3 lists the total number of persons who resided at Bikini Atoll in April 1978. Column 4 lists the number of persons who were medically registered in April 1978. The difference between column 3 and 4 reflects the presence of Rongelap or Utirik residents who had moved to Bikini Atoll between 1970 and 1978. Column 5 lists the number of persons counted that belong to the medically registered population listed in Column 3. Column 6 lists the number of persons counted who reportedly resided on Bikini Atoll at the time of relocation in Auguste 1978. Column 7 lists the number of non- relocated former residents counted. Table 27 presents the number of adult males, adult females, adolescents and juveniles which composed the medically registered, relocated population sampled in 1978 and 1979. Table 28 presents 11 the same sampie breakdown for the