Table VII. Radioisotopes in Fish Caught by Japanese Fishermen, 1954-19572) Fish Tissue Date Locality Fe? Big eye tuna "oom" Muscle Red muscle 6/56 " " So. Pacific " " 21;40 1, 200, rom" at it Red muscle Liver it vo" " Liver tt tt Spleen tt 10/56 " " 6/56 " " i tt " it Homo Kidney Yellow fin " Kidney 6-7/54 Liver 6/56 " " tt " Carp " " Cuttlefish Skipjack Muscle Muscle Muscle in nom t! noon " " ti 6/57 6/57 5/57 . 700. 500. 5, 430. 36, 40, 000. 3. 800. tt " " 120, 12. 60. 6 33. . 0014 40. .017 Pacific .021 Nojima 2) Calculated from (MPC)y, in Handbook 69 Cgld! 531. 2, 700. 1, 000. Sr¥¥Cdilesm 1.8 3.1 5, 000. " " Maebashi Allowable daily intake”) 1) Data from Hiyama (1957) it puc/g (wet tissue) Zn59 .016 17,6x10® 22x10° 22x102 --- 44x104