Radiation Protection Regulations
14 (1) Every licensee shall ensure that the equivalent dose received by and committed to an organ or tissue set out in column 1 of an item of the table to this subsection, of a person described in column 2 of that item, during the period set out in column 3 of that item, does not exceed the equivalent dose set out in column 4 of that item.
TABLE
Column 1 Column 2 Column 3 Column 4 Item Organ or Tissue Person Period Equivalent Dose (mSv) 1 Lens of an eye (a) Nuclear energy worker One-year dosimetry period 150 (b) Any other person One calendar year 15 2 Skin (a) Nuclear energy worker One-year dosimetry period 500 (b) Any other person One calendar year 50 3 Hands and feet (a) Nuclear energy worker One-year dosimetry period 500 (b) Any other person One calendar year 50 (2) For the purpose of subsection (1), where a dosimeter-wearing period or a bioassay-sampling period extends beyond the end of a dosimetry period set out in column 3 of the table to that subsection, the period is extended to the end of the dosimeter-wearing or bioassay-sampling period or by two weeks, whichever extension is shorter.
(3) When skin is unevenly irradiated, the equivalent dose received by the skin is the average equivalent dose over the 1 cm2 area that received the highest equivalent dose.
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