A penetration in a gamma irradiator shield measures 1 inch in diameter. An RO-20 is oriented with its window facing the
Posted: Tue Jul 05, 2022 8:53 am
A penetration in a gamma irradiator shield measures 1 inch indiameter. An RO-20 is oriented with its window facing thepenetration (coaxial) and measures 12 mR/h at 30cm from the shieldwall. What is the true exposure rate?