ocr: INTERNAL TERRESTRIAL 11% 8% I I I MEDICAL COSMIC I I Xrays 8% I 11% - Nuclear - - Medicine - B CONSUMER - . - à à a / à - I - - I - - : 4% - - - PRODUCTS 3% - OTHER <1% Uccupational 0.3% Fallout <0.3% Nuclear Fuel Cycle 0.1% RADON Miscellaneous 0.1% 55%
