Radiation Protection Regulations
13 (1) Every licensee shall ensure that the effective dose received by and committed to a person described in column 1 of an item of the table to this subsection, during the period set out in column 2 of that item, does not exceed the effective dose set out in column 3 of that item.
Column 1 Column 2 Column 3 Item Person Period Effective Dose (mSv) 1 Nuclear energy worker, including a pregnant nuclear energy worker (a) One-year dosimetry period 50 (b) Five-year dosimetry period 100 2 Pregnant nuclear energy worker Balance of the pregnancy 4 3 A person who is not a nuclear energy worker One calendar year 1 (2) For the purpose of item 1 of the table to subsection (1), the effective dose shall be calculated using the following formula and expressed in millisievert:
E + 5RnP + 20 Σ I ÷ ALI
(3) For the purpose of item 2 of the table to subsection (1), the effective dose shall be calculated using the following formula and expressed in millisievert:
E + 20 Σ I ÷ ALI
(4) For the purpose of item 3 of the table to subsection (1), the effective dose shall be calculated using either of the following formulas and expressed in millisievert:
E + Rn ÷ 60 + 20 Σ I ÷ ALI
E + 4RnP + 20 Σ I ÷ ALI
(5) For the purpose of subsection (1), where the end of a dosimeter-wearing period or a bioassay-sampling period does not coincide with the end of a dosimetry period set out in column 2 of the table to that subsection, the licensee may extend or reduce the dosimetry period to a maximum of two weeks so that the end of the dosimetry period coincides with the end of the dosimeter-wearing period or biossay-sampling period, as the case may be.
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