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What is the limit of radiation exposure?
How much radiation can a person under 18 be exposed to?
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What is the maximum ionizing radiation dose?
Dec 14, 2021 · The U.S. Nuclear Regulatory Commission (NRC) has a wealth of information available for those who work with and around nuclear materials, as illustrated by the following examples: Training Requirements for Radiation Workers. Dose Limits for Radiation Workers. Radiation Worker Dose History Database.
ICRP: Recommends a limit of radiation exposure to a member of the general public as 100 mrem (1 mSv) per year and the limit for the fetus of an occupationally exposed individual to 200 mrem (2 mSv) during the gestation period. (Publication 60.)
OSHA requires employers to protect workers from exposure to ionizing radiation sources that are not regulated by the NRC or other federal agencies, such as X-ray equipment, some accelerators, incidental accelerator-produced radioactive materials, ion implanters, and some naturally-occurring radioactive material (NORM).
Jul 7, 2023 · The dose limit to non-occupational workers and members of the public are set at two percent of the annual occupational dose limit. Therefore, exposure to a non-radiation worker must not exceed 100 mrem/year. This exposure would be in addition to the annual background radiation. 3.3 Additional Limits for Pregnant Occupational Workers
Jan 1, 1994 · The maximum permissible exposure for a person under 18 working with radiation is one-tenth the adult limit or not to exceed 500 millirems per year above the 300+ millirems of natural sources, plus medical radiation. This was established in 1957 and reviewed as recently as 1990. Fetus: 500 Millirems Or 50 Per Month (New Rule Jan. 1, 1994)
The limits in this part do not apply to doses due to background radiation, to exposure of patients to radiation for the purpose of medical diagnosis or therapy, to exposure from individuals administered radioactive material and released under § 35.75, or to exposure from voluntary participation in medical research programs.
