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4 Every licensee shall implement a radiation protection program and shall, as part of that program,

• (a) keep the amount of exposure to radon progeny and the effective dose and equivalent dose received by and committed to persons as low as is reasonably achievable, social and economic factors being taken into account, through the implementation of

  [...]

• (b) ascertain the quantity and concentration of any nuclear substance released as a result of the licensed activity

  • (i) by direct measurement as a result of monitoring, or

  • (ii) if the time and resources required for direct measurement as a result of monitoring outweigh the usefulness of ascertaining the quantity and concentration using that method, by estimating them.

4 Every licensee must implement a radiation protection program and must, as part of that program,

• (a) keep the effective dose and equivalent dose received by and committed to persons as low as reasonably achievable, taking into account social and economic factors, through the implementation of

  [...]

• (b) ascertain the quantity and concentration of any nuclear substance released as a result of the licensed activity

  • (i) by direct measurement as a result of monitoring, or

  • (ii) if the time and resources required for direct measurement as a result of monitoring outweigh the usefulness of ascertaining the quantity and concentration using that method, by estimating them.

[...]

• [...]

• (5) A licensee shall limit the effective dose and equivalent dose received by and committed to persons participating in the control of an emergency to as low as is reasonably achievable, social and economic factors being taken into account.

• (6) A licensee shall notify as soon as feasible the person who received the dose of radiation and the Commission in the event that the licensee becomes aware that any of the dose limits prescribed in subsection (2), (3) or (4) may have been exceeded.

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• 5 (1) For the purpose of keeping a record of doses of radiation in accordance with section 27 of the Act, every licensee shall ascertain and record the magnitude of exposure to radon progeny of each person referred to in that section, as well as the effective dose and equivalent dose received by and committed to that person.

• (2) A licensee shall ascertain the magnitude of exposure to radon progeny and the effective dose and equivalent dose

  • (a) by direct measurement as a result of monitoring; or

  • (b) if the time and resources required for direct measurement as a result of monitoring outweigh the usefulness of ascertaining the amount of exposure and doses using that method, by estimating them.

• 5 (1) For the purpose of keeping a record of doses of radiation in accordance with section 27 of the Act, every licensee must ascertain and record the magnitude of exposure to radon progeny of each person referred to in that section, as well as the effective dose and equivalent dose received by and committed to that person.

• (2) A licensee must ascertain the magnitude of exposure to radon progeny and the effective dose and equivalent dose

  • (a) by direct measurement as a result of monitoring; or

  • (b) if the time and resources required for direct measurement as a result of monitoring outweigh the usefulness of ascertaining the amount of exposure and doses using that method, by estimating them.

[...]