AVERAGE GROSS BETA ACTIVITY IN RONGELAP FISH MUSCLE COLLECTED AUGUST 1958 Island Rongelap Av pWKE Family wet Eniaetok ogy Acanthuridae .0061 (135) .002-.008 Apogonidae .004 (1) Balistidae 005 (1) surgeonfish cardinalfish triggerfish Be lonidae needlefish .0024 (3) Bothidae .003 (1) Carangidae O17 (1) Carcharinidae £0035 (2) .003-.004 Chae todontidae butterflyfish .003 (3) ,002-.004 Dulidae tide poolfish 004 (1) sole jacks “ SHAIHOHV ZOC sharks > Us wet .0056 (3%) O1L cornetfish barracudas Av uc/KE wet .004-.008 .002-.003 Fistulafidae Sphyraenidae yy No. Range , Blennidae blennies Avum/ke No. Range Kabelle 006 (4) .006-.,006 (2) .O006-.916 | .0006 (1) 004 (1) .O10 (1) .008 (1) Joo { 1) .O79 (1) 04 (1) 0055 ogy No. Range (2) 005-0048 ** pooled samples, containing 1 to 6 specimens. Nete: The correction factors were based on cto. would elevate these values considerably. The use of correcticn factors based on zn©5 Determination of ane levels are in progress.