OAR 333-117-0120: Protection of the General Population from Releases of Radioactivity

Concentrations of radioactive material which may be released to the general environment in groundwater, surface water, air, soil, plants and animals shall not result in an annual dose above background exceeding an equivalent of 25 millirem (0.25 mSv) to the whole body or 75 millirem (0.75 mSv) to the critical organ of any member of the public. Doses due to radon-220, radon-222 and their respective decay products, are excluded from these limits. Effort shall be made to maintain releases of radioactivity in effluents to the general environment as low as is reasonably achievable.