Current through Register Vol. 54, No.43, October 26, 2024
Section 227a.35 - Electron microscope devices(a)Labeling. A closed-beam electron microscope device must be labeled with a conspicuous sign bearing the words, "Caution Radiation-This Equipment Produces Radiation When Energized," or words containing a similar warning.(b)Maximum radiation level. Radiation levels measured 5 centimeters from an accessible surface of a closed-beam electron microscope may not exceed 0.5 mrem (0.005 mSv) per hour.Adopted by Pennsylvania Bulletin, Vol 53, No. 32. August 12, 2023, effective 8/12/2023