True regarding permissible radiation
Correct Answer: For radiation workers - 50 mSv / year
Description: DOSE LIMIT: NCRP Exposure Type Dose Limits Occupational Exposure (Annual) Whole Body Effective Dose Lint (Stochastic Effects) Dose Equivalent Limit for organs (Non Stochastic Effects) 50 mSv Lens of Eye 150 mSv All others 500 mSv Public Exposure (annual) Effective dose equivalent knit, continous exposure Effective dose equivalent limit, infrequent exposure Dose Equivalent Limits for lens, skin and extremities 1 mSv 5 mSv 50 mSv Embryo Fells Exposures Total dose equivalent limit Dose Equivalent in a month 5 mSv 0.5 mSv Annual effective education and training exposure Dose Equivalent Limits for lens, skin and extremities 1 mSv 50 mSv Dose Limits set by ICRP (International Commission on Radiation Protection) Occupational Public Effective Dose (mSv/y) 20* 1 Equivalent Dose (mSv/y) To Lens of eye 150 15 Skin 500 50 Hands and Feet 500 - * Averaged over 5 years and not more than 30 mSv in any 1 year. AERB Guidelines for Radiation protection Dose Limitations Pa of the body Occupational Exposure Public Exposure Whole body (Effective dose) 20 mSv/ year averaged over 5 consecutive years; 30 mSv in any single year 1 mSv/y Lens of eyes (Equivalent dose) 150 mSv in a year 15 mSv/y Skin (Equivalent dose) 500 mSv in a year 50 mSv/y Extremities (Hands and feet) Equivalent dose 500 mSv in a year - For pregnant radiation workers, after declaration of pregnancy 1 mSv on the embryo fetus should not exceed.
Category:
Radiology
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