27 Table 7 Co-60 Tridacna and Hippopus (Giant Clams) Collected at Bikini Atoll, June 1969(1) Average Values pci/g dry Islet Bikini Nam Tissue n Avg. Range Muscle and mantle 5 115 49-219 Viscera 5 116 41-193 Kidney 5 2350 Muscle and mantle 4 (2) 74 16-134 Viscera 4 (2) 64 30-118 Kidney 4 (?) 1020 1390-4000 375-2150 (1) No other gamma-emitting radionuclides were detected except naturally occurring 49x, (2) Two samples consisted of 3 individuals pooled and one sample consisted of 2 individuals pooled. ea