US lawMassachusettsRegulations105 CMR — Department of Public Health105 CMR 121.00 — To control the radiation hazards of lasers, laser systems and optical fiber communication systems utilizing laser diode or light emitting diode sources121.003105 CMR 121.003CitationYear: 2026Length: 18 wordsOfficial source 105 CMR 121.000 shall be known and may be cited as the Regulations for the Control of Lasers.Previous105 CMR 121.002Next105 CMR 121.004