Radiation dose limits
Schedule 4 Radiation dose limits
Regulation 11
Table A—Ionising radiation dose limits for occupational exposure
Circumstance | Dose limit |
|---|---|
Receipt of ionising radiation doses in any 60 month period | Effective dose of 100 millisievert |
Receipt of ionising radiation doses in any 12 month period | Effective dose of 50 millisievert |
Receipt of ionising radiation to the lens of an eye of a person in any 60 month period | Equivalent dose of 100 millisievert |
Receipt of ionising radiation to the lens of an eye of a person in any 12 month period | Equivalent dose of 50 millisievert |
Receipt of ionising radiation to the skin of a person in any 12 month period | Equivalent dose of 500 millisievert averaged over 1 cm2 of any part of the skin regardless of the total area exposed |
Receipt of ionising radiation to the hands and feet of a person in any 12 month period | Equivalent dose of 500 millisievert |
Table B—Ionising radiation dose limits for public exposure
Circumstance | Dose limit |
|---|---|
Receipt of ionising radiation doses in any 12 month period | Effective dose of 1 millisievert |
Receipt of ionising radiation to the lens of an eye of a person in any 12 month period | Equivalent dose of 15 millisievert |
Receipt of ionising radiation to the skin of a person in any 12 month period | Equivalent dose of 50 millisievert averaged over 1 cm2 of any part of the skin regardless of the total area exposed |
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