ht; on 25 +o abs 3drpytiagi Table 6 Mean concentration of 9c), and/or 137 Cs in plants, coconut crabs, and surface soil from Bikini Atoll, 1964-1975. Collection Sample type Location Collection Date Number of Samples Radionuclide concentration pCi/g, dry. 13/6, 90, Pandanus, leaves " " " " Bikini I. " " 1964 1972 1974-5 several 2 4 290 280 510 120 NA 150 Coconut, leaves " " " " Bikini I. " " 1964 1972 1974-5 several 8 14 140 430 160 NA NA 13 Coconut crab, muscle " " " " Bikini I. " " 1964 1969 1974 ] 6 ] 940 760 380 55 50 16 Coconut crab, exoskeleton " " " " Bikini I. " M 1964 1969 1974 1 6 ] 190 130 70 Soil, O-1 inch " " " " " " " " " " Bikini I. " " " " " 1964 1967 1969 1970 1972 1974-5 Soil, O-1 inch " " Nam I. " 1964 1969 iW tt " " Mullet, " " " muscle evisc. whole evisc. whole evisc. whole Noddy tern, muscle " " " " i " . 2300 1400 1600 2 3 3. 50 9 15 920 540 1200 160 80 110 930 NA 520 NA NA 130 1972 2 ] 4 200 63 NA 18 1974 5 270 390 137¢Cs 60¢o 730 NA Nam I. " " " 1964 1969 1972 1974 b b b b 6.4 0.8 0.7 0.3 98 12 9 2 Nam I. Oroken 1964 1969 b b 0.5 a 4 Nam I. 1974 b These data were taken from the following reports: Collection Date Report 1964 Welander, et al., 1967 1967, 1969, 1970 Held, 1971 1972 Lynch et al., 1975 1974-5 This report Composite sample of several individuals <.] 0.9