Dose Limits Flashcards
What is the annual dose limit for a radiation worker?
50 mSv / year
What is the cumulative dose limit for a radiation worker?
10 mSv x Age
What is the annual dose limit for the lens of the eye for a radiation worker?
150 mSv / year
What is the annual dose limit for localized areas of the skin, hands & feet for a radiation worker?
500 mSv / year
What is the annual effective dose limit for continuous or frequent exposure to the public?
1 mSv / year
What is the annual effective dose limit for infrequent exposure to the public?
5 mSv
What is the annual equivalent dose limit for the lens of the eye to the public?
15 mSv
What is the annual equivalent dose limit for localized areas of the skin, hands, and feet to the public?
50 msv
What is the monthly equivalent dose limit for an embryo and fetus?
0.5 mSv
What is the equivalent dose limit for an embryo and fetus for its entire gestation?
5.0 mSv (monthly limit of 0.5 x 10 months)
The annual dose limit for occupationally exposed individuals is valid for which types of radiation?
Beta, X, and gamma radiations
What is the generally excepted rule for patient skin dose in fluoroscopy?
21 mGy / min / mA
Example formula: 21 x 5 mins x 1.5 mA
