fish. Crabe, clams and especially snaits wera found to incorporate ot fish in the corresponding localities (Table 4.3). * A nustber of tissue aoxples of marina specinens end of the rooster ..; 7 : “30 oo er f ot Pe Shy 7 sew, rattoniclides to a ich greater extentpor untt boty voight thea 41d the vere -o analysed for the concentratfong of individual radtoauclides (robteh5)e In muscle and viscerascuples of the enimsls from Rengelap, Uiirik and Roncerik, er? contributes epprosinately 0.5 per cant of the total beta activity. ax 19 present in an approximately 1:1 ratio with sr, Sines the unter endBallou calleutationa(®) indicate that scB end sx0 each| contribute ebout 2 per cout of the total beta activity at one yeat after . : fission, there docs not appear to te ony frectionation of redtostrontiua : into the sort tissues. As expected, ‘host of the internally deposited : reiloactivity vas foun’ in ths skeletons — oe Gteeves of a féw raring epecinens vere analyzed for cyl? (31 year -. -: half-life) since this nuclide was picsent in high concentrationg ia Vater wy oodcoconut milk froa this ares. {hetissues of the rooster andof tha!) A very hich frectioa of cgt3t ectivaty wag noted in the muscle of the rocster (20 per ceat of ata total beta ° further radicanslysis of paring specinens indicated that oa rare earth oe constituted afev per cent of the totel beta activity. Ruan 05 ana ze?3ns?contributed ‘the largest percentage of tha vorat betaactivity. . pe Lee Comparison of the fish ard clea collected at one yecr post detonation withthose collected at one rosth postdstonation ani enslyzed y roaths. 2. Hunter, H.P. and WE. Ballou, Pisston Product Decay Rates, mucleoatedy | Vols 9, Ar LCOss" c-Ty ° Hove 1951 ~ os. ee hs ay ecconut ereb contein significant exouits of cgl3T,