, Gan tinge, Tenrenes AR eateraPR HASL - 170 co HEATH AND SAFETY (TID - 4500) eithehe lai A ae ea i A BetteUp PURTHER STUDIES OF EXTERNAL ENVIRONMENTAL RADIATION H. L. Beck W. M. Lowder B. G. Bennett Condon thph W. J. March 1966 Health and Safety Laboratory U. S. Atomic Energy Commission New York, New York