Mahdcs| a Sg, ' af ~ ele adtel ba Vas HASL-190 HEALTH AND SAFETY (TID-4500) EXTERNAL RADIATION LEVELS ON BIKINI ATOLL - MAY, - Harold L. Se aad emer # Burton G. Beck Bennett Health and Safety Laboratory U. S. Atomic Energy Commission New York, New York and Tommy F. McCraw Division of Operational Safety U. S. Atomic Energy Commission Washington, D. C. December, 1967 1967