MAXIMUM PERMISSIBLE DOSE (MPD) EQUIVALENTS
Table 1
Maximum permissible radiation dose (MPD) equivalents, excluding doses received for medical and paramedical purposes and natural background radiation, for:
(1) persons of 16 and 17 years of age directly assigned to work under x-rays;
(2) persons not directly assigned to work under x-rays;
(3) members of the public.
Organ or tissue Maximum permissible dose
(MPD) equivalents in rems
Per year
Whole body, gonads, red bone marrow, lens of eye 0.5
Bone, skin 3
Thyroid
(a) persons under 16 years of age 1.5
(b) person 16 years of age and over 3
Any tissue of the hands, forearms, feet and ankles 7.5
Other single organs or tissues 1.5
MAXIMUM PERMISSIBLE DOSE (MPD) EQUIVALENTS
Table 2
Maximum permissible dose (MPD) equivalents of radiation for persons of 18 years of age and over who are directly assigned to work under x-rays excluding doses received for medical and para-medical purposes and natural background radiation.
Organ or tissue Maximum permissible dose
(MPD) equivalents in rems
Quarterly Yearly
Whole body, gonads, red bone marrow, lens of eye 3 5
Bone, skin, thyroid 15 30
Any tissue of the hands, forearms, feet and ankles 38 75
Other single organs or tissues 8 15
MAXIMUM PERMISSIBLE DOSE (MPD) EQUIVALENTS
Table 3
Maximum permissible dose (MPD) equivalents of radiation for women of reproductive capacity assigned to work under x-rays excluding doses received for medical and para-medical purposes and natural background radiation.
Organ or tissue Maximum permissible dose
(MPD) equivalents in rems
Quarterly Yearly
Whole body, gonads, red bone marrow, lens of eye 1.3* 5*
Bone, skin, thyroid 15 30
Any tissue of the hands, forearms, feet and ankles 38 75
Other single organs or tissues 8 15
*The dose to the abdomen must not exceed 0.2 rem over a 2-week period and, if the woman is pregnant, such dose must not exceed 1.5 rem per year.