... . . . . .. . . 11 RESULTS The predominant are 60 CO 1 -, .J 7 55Fe * The ed~.blc portions the following 137CS from Nan 90 crab clam maximum near radionuclides from undetectable dry in the muscle tissues in the hepatopancreas dry in muscle in amounts to of a curlew detectable of a coconut pCi/g the same in the species liver tissue of a giant differ of ten. in individual by of an ulua. of a radionuclide at the of radionuclides often by a factor dry concentration amounts values and mantle 1. in the from radionuclides dry Bikini Fe – 40,900 and maximum same are present, factors The values samples islet in the is wide. the minim~ of four or five and for concentration are given in Tables of 1 19. Dry weights the true water The range mainly I. Co – 219 pCi/g same tissue through of these contain values: Sr – 204 pCi/g sometimes orcjanisms organisms I. The range When concentrations 2260 pCi/g taken 55 in the terrestrial the marine of organisms from Bikini 60 DISCITSSION radionuclides !)Osr 1 whereas Cs and ai~d AND average a wet-weight were content used of some concentrations basis for the basic smples calculations i.s difficult of radionuclides for convenience were because to determine. converted to .. in calculating daily intake