The gamma probe reads 800 mR/hr and the turn back dose is 0.05 Sv. How long can you be in the area before you have to turn back?

The gamma probe reads 800 mR/hr and the turn back dose is 0.05 Sv. How long can you be in the area before you have to turn back? 

assume 1 R = 1 rem = 1 cSv)

  • A. 0.00625 hrs (22.5 seconds). Turn around immediately.
  • B. 6.25 hrs
  • C. 40 hrs
  • D. Can not be determined.

Leave a Reply