The radiation emission for a closed-beam radiation-producing device may not exceed a dose rate of 0.5 mrem (0.005 mSv) in 1 hour at 5 centimeters outside any accessible surface.
25 Pa. Code § 227a.33
The radiation emission for a closed-beam radiation-producing device may not exceed a dose rate of 0.5 mrem (0.005 mSv) in 1 hour at 5 centimeters outside any accessible surface.
25 Pa. Code § 227a.33