Table 2. Gross levels of beta radioactivity in the reef fish collected at Rongelap and Ailinginae Atolls, 1954 through 1957, expressed as uc/kg wet tissue Locality Date of Number of collection specimens Muscle Bone Liver Viscera or stomach Whole fish contents Rongelap Atoll Rongelap I. Kabelle I. 1/25/55 10/22/55 8/3 /56 22 33 19 0.034 0.009 0.059 7/17/57 50 73 3/26/54 7/16/54 12 32 2.7 0.50 34 15 li 36 0.026 0.030 0.027 0.12 0.21 0.10 0.015 0.038 0.039 1/29/55 10/21/55 8/3 /56 7/18/57 27 0.017 0.30 0.070 0.15 0.083 9.021 13.0 2.9 0.49 2.0 0.60 0.71 0.064 200.0 22.0 3.2 1.6 1.3 0.28 1.6 0.044 0.028 510.0 36.0 3.6 0.12 0.049 raed ae ed io© —-_ ot Ailinginae Atoll Enibuk I. 10/23/55 7/11/57 28 32 51 0.27 0.16 0,030