“ewe A RECONSTRUCTION°OF CHRONIC DOSE EQUIVALENTS VOR RONGRLAP. ANDYFIRIK RESIDENTS - 1954 T0'1980%. fpsMga Sao ne ee we E. T. Lessard, N. A. Greenhouse, R. P, Miltenbgcger ABSTRACT ; From June 1946 to Auguat 1958, the U.8. Department:-of.Defense and Atomic Energy Commission conducted:-nuclear weapons tests:in the: Worthern. Marshall Mlk Laeee Islands. BRAVO, an aboveground test in the Castle series,- Feaulted in radioactive fallout contaminating Rongelap and Utirik Atolls Op*Harch 3, 1954, the inhabitants of these atolls were relocated watil- tedietion exposure trates declined to acceptable levels. Environmental. and. personnel: radiologic 1 monitoring programs were begun in the mid 1950's. by Brookhaven’Natioval La' -ra~ tory to ensure that dose equivalents received or comnitted' remained within ..S, Federal Radiation Council Guidelines for members of the general public. & : burden and dose equivalent histories along with activity ingestion pattern: st return are presented. Dosimetric methods, results, and internal dose equi . ent distributions for subgroups of the population are also described, Lit