U 1000 SEA CUCUMBER 4 CORAL WET 100 UC/KG 10; 25 0.1 iOQ . L 600 DAYS AFTER MARCH 1, 1954 Figures 9 (left) and 10 (right). Decline in radioactivity of tissues of sea cucumber and of coral from northern islands of Rongelap Atoll. Ft one, seercamepmeneame ye me =