ORGAN DOSES

This part specifies dose limits for exposure to radioactive materials in self-luminous products containing tritium or promethium-147 and certain other devices containing radioactive material according to part 4731.3225 . Part of Body Column I (rem) Column II (rem) Column III (rem) Column IV (rem) Whole body; head and trunk; active blood-forming organs; gonads; or lens of eyes 0.001 0.01 0.5 15 Hands and forearms; feet and ankles; localized areas of skin averaged over areas no larger than one square centimeter 0.015 0.15 7.5 200 Other organs 0.003 0.03 1.5 50