“' fable 2. | Ixron-55 c stent in goatfish (Mulloi chthys, sp.) and soil samples from Rongelap Atoll. are in parentheses; Sample numbers stable Fe and ne are expressed / per kilogram of wet tissue or per kilogram dry soil. . Location . - : . Sample Collection date Kabelle Islet Liver (7) “"Rongelap Islet Liver (10) Kabelle Islet Liver (71) Stable Fe (g) : - Biological Samples _ 55 Fe (uci) * . Rongelap Islet Liver (20) Content 55 Fe Fe (uci) g ; September 1959 4.04 0.98 4.1 September 1961 0.68 0.76 0.9 March 1.40 39.15.12 1963 August 1963 2.49 0.37 6.7 ™ Soils Kabelle Islet Soil (0-2.5 cm) August 7 1959 0.24 Kabelle Islet Soil (0-2.5 cm) August 1963 0.06 . Rongelap Islet Soil (0-2.5 cm) Rongelap Islet Soil (0-2.5 em) March August . 1959 0.05 1963 0.006 * Sample counting times were arranged to determine S56 in biological samples to + 5 per cent at the 95 per cent confidence level (2¢); soil samples to + 5-20 per cent at the 67 per cent confidence level (lo). Stable Fe determination, + 10 per cent at the 67 per cent confidence level (1¢). collection date. Activities are corrected to