Part of bodyColumn I (rem)Column II (rem)Column III (rem)Column IV (rem)
Whole body; head and trunk: active blood-forming organs; gonads: or lens of eye0.0010.010.515
Hands and forearms; feet and ankles; localized areas of skin averaged over areas no larger than 1 square centimeter0.0150.157.5200
Other organs0.0030.031.550
[34 FR 9329, June 13, 1969]