Appendix Table 9 Gamma-Emitting Radionuclides in Tridacna and Hippopus Sample No. Islet 713 714 712 Bikini Species T. Shell Length 354mm Muscle & Mantle Viscera Kidney , 350mm Muscle & Mantle 717 715 647 H. hippopus 646 645 . 644 380mm 304mm 665 702 7Ol 700 9.1 + 4.1 - Muscle & Mantle 15 + 6.9 Viscera Kidney 13 + 8.6 - ; Viscera 16 + Muscle & Mantle Viscera Kidney 17.£ 6.3 16 + 8.2 - 95mm, 108mm, Muscle & Mantle Viscera , 20 + 7.6 25 + 11 120mm, 140mm, Muscle & Mantle Viscera 295mm crocea 19 + ll Viscera Kidney Kidney T. 9.0 + 3.9 ll + 3.9 - 16 + 7.4 643 Nam K Muscle & Mantle 642 641 640 639 Ci 40 Tissue squamosa 716 667 666 June 1969 L1limm L60mm Kidney. Kidney - 4000 + 49 9.0 2330 + 27 _ _ - SS Collected at Bikini Atoll, (Giant Clams)