L4zz00S ka A wee? AVERAGE GROSS BETA ACTIVITY IN RONGELAP FISH MUSCLE COLLECTED AUGUST 1958 Island Av umVKe Family wet Eniaetok ogy No. Range Acanthuridae .0061 (13) .002-.008 Apogonidae 003 (1) Balistidae .005 (1) surgeonfish eardinalfish triggerfish Av uovKeG wet .0056 Kabelle gy Av uc/KE No. Range — (3) wet .004-.008 Belonidae needlefish Blennidae 0023 (3) Bothidae .003 - (1) Carangidae .017 (1) .0035 (2) .003-.004 .003 (3) .002-,.004 Dulidae tide poolfish Fistularidae .004 (1) Sphyraenidae .006: bliennies sole .002-.003 011 (2) .006-.016 © gy No. .0006 (1) O04 (1) 010 (11) .008 (1) .0O4 (1) 079 (1) Range — 9% — Rongelap jacks Carcharinidae sharks Chaetodontidae butterflyfish .00O4% cornetfish barracudas (3) .006-.006 0055 : (1) (2) .005- .006 ** pooled samples, containing 1 to 6 specimens. Note: The correction factors were based on tO . would elevate these values considerably. The use of correction factors based on Zn 65 Determination of Zn©°5 levels are in progress.