Radiation

Question 1

Dose limit to a member of the general public (in mSv and mrem)

Answer 1

1 mSv
100 mrem

(2 mrem/hr)

Question 2

Background annual radiation dose

Answer 2

6 mSv (600 mrem)

Question 3

Total effective occupational dose limit for radiation worker

Answer 3

50 mSv or 5,000 mrem

Question 4

Dose limit for radiation worker’s extremity

Answer 4

500 mSv or 50,000 mrem

Question 5

What is the conversation from Sv to rem?

Answer 5

1 mSv = 100 mrem (just move over 2 decimels to convert from msv to mrem)

Question 6

Dose in unrestricted areas from external sources to the general public should not exceed how many mS/hour?

Answer 6

0.02 mS/hour

Question 7

Background radiation dose from natural sources?

Answer 7

3.1 mSv

Question 8

Dose limit for a radiation workers lens?

Answer 8

150 mSv

Question 9

Extrapolation model for setting radiation dose limits?

Answer 9

Linear no threshold (means linear relation to dose and possibility of cancer)

Question 10

Dose limit for a fetus in the entire pregnancy?

vs

In a month?

Answer 10

Entire pregnancy = 5 mSv (500 mrem) (roughly 10% of the limit for a radiation worker)

In any one month: 0.5 mSv (50 mrem)