26 Table 7 Mean concentration of 137Cs and 9°Sr in Pandanus and ?°Sr in coconut crabs collected at Rongelap Atoll from 1957 - 1974. . a Mean Concentration Sample Collection Number of Rongelap I " " " " ‘ 1958 1959 196] 1963 1971 1974 9 19 16 13 3 1 114 87 101 69 15 13 25 Kabelte I " " Lomuilal, Lukuen I 1958 1961 1963 1974 4 ] ] 2 360 120 170 43 46 Rongelap | 1957-58 12 14 Kabelle I Kabelle | " 1955 1957-58 1974 J 14 3 120 47 4.8 skelton " Arbar I " 1959 1974 2 2 480 64 " “ Mellu I " 1959 1974 2 1] 1100 240 " Kabelle I 1959 3 1600 Type Pandanus leaves " " " " " " " " " Coconut crab, muscle " " " " Coconut crab, exo- " a. Area Arbar, Busch I " Date 1974 1974 Samples 4 3 ee pCi/g, dry Cs Sr 15 1] 42 40 24 190 These data were taken from the following sources: Collection Date Source 1955 Donaldson, 1955 1974 This report 1958-1971 b. Collection LRE, unpublished data 27 pCi/g, wet,multiplied by a wet/dry ratio of 4,5. DOE ARCHIVES