Table VII. Radioisotopes in Fish Caught by Japanese Fishermen, 1954-1957) uuc/g (wet tissue) Fish Tissue Date Locality Fe°5 Big eye tuna Muscle 6/56 So. Pacific 21,40 hook Red muscle" roms Red muscle 10/56 ' " Liver "oo hon on Liver 6/56 how on Kidney moon ' Yellow fin ” " on Carp " " " 1200. " " 700. zn85 Cdll3m Ca 137 1,8 3.1 120. 5000. 500. Hom 5430. 36. noon moos 40000. 531. Spleen ho" " " Kidney 6-7/54 " " Muscle " Liver " 6/56 woe Muscle 6/57 Maebashi 3800. 5r90 12. 60.6 2700. 33: 1000. - 0014 40. .017