OFFICIAL USE ONLY II. B. GROSS ACTIVITY Marine Organisms and Birds Graph Three indicates the general level of activity in fish at 2 Rongelap Atoll and the decline of activity with time. Tables Seven and Eight report the results of NRDL analysisfor the February 1955 survey.~ 3 Tables Nine and Ten are for the February 1956 survey." Tables Eleven and Twelve show the analyses by HASL.”? 6 ‘The data show a significant higher concentration of gross activity in the livers of fish and in the crustacean. muscles. Tables Eight (a) and Ten (a) show the gross activity in birds and fowls. 3 h OFFICIAL USE ONLY 9002098