NRRPT Radiological Protection Standards 4

Question 1

Which EPA guidance establishes Protective Action Guides (PAGs) for nuclear incidents in the US?

Accepted Answer

EPA PAG Manual (EPA-400/R-17/001)

Answer

The EPA PAG Manual (EPA-400/R-17/001, 2017) establishes the Protective Action Guides for radiological incidents in the United States.

Question 2

Under ICRP Publication 103, the recommended annual effective dose limit for occupational workers is:

Accepted Answer

20 mSv averaged over 5 years, not exceeding 50 mSv in any year

Answer

ICRP 103 recommends 20 mSv/year averaged over a defined 5-year period, with no single year exceeding 50 mSv.

Question 3

The concept of 'effective dose' combines organ doses with tissue weighting factors to represent:

Accepted Answer

The total risk-equivalent uniform whole-body dose

Answer

Effective dose uses tissue weighting factors to express the total radiation detriment as an equivalent uniform whole-body dose for risk comparison purposes.

Question 4

Under 10 CFR Part 20, the annual dose limit to members of the public from licensed operations is:

Accepted Answer

100 mrem (1 mSv)

Answer

10 CFR 20.1301 limits the annual dose to individual members of the public to 100 mrem (1 mSv) from licensed operations.

Question 5

Which of the following correctly describes an 'Annual Limit on Intake' (ALI)?

Accepted Answer

The quantity of a radionuclide that would result in an occupational dose equal to the annual limit

Answer

The ALI is the activity of a radionuclide that, if taken into the body in a year, would result in a dose equal to the relevant annual occupational dose limit.

(NRRPT) National Registry of Radiation Protection Technicians Practice Test

(NRRPT) National Registry of Radiation Protection Technicians Practice Test

NRRPT Radiological Protection Standards 4