![Page 1: Class 3b Special Precautions examples (insert below at position 1 on sign): 1. Laser protective eyewear required 2. Invisible laser radiation 3. Knock](https://reader036.vdocuments.mx/reader036/viewer/2022082610/56649d0c5503460f949e0bff/html5/thumbnails/1.jpg)
Laser type/power/wave/duration: ______________ _______________ ____________________
Class 3b laser
Special precautions: __________________ __________________________________________________________
DANGER
NMSU EHS/dls06
![Page 2: Class 3b Special Precautions examples (insert below at position 1 on sign): 1. Laser protective eyewear required 2. Invisible laser radiation 3. Knock](https://reader036.vdocuments.mx/reader036/viewer/2022082610/56649d0c5503460f949e0bff/html5/thumbnails/2.jpg)
Laser type/power/wave/duration: ______________ _______________ ____________________
Class 4 laser
Special precautions: __________________ __________________________________________________________
DANGER
NMSU EHS/dls05
![Page 3: Class 3b Special Precautions examples (insert below at position 1 on sign): 1. Laser protective eyewear required 2. Invisible laser radiation 3. Knock](https://reader036.vdocuments.mx/reader036/viewer/2022082610/56649d0c5503460f949e0bff/html5/thumbnails/3.jpg)
Special Precautions examples (insert at position 1 on sign):1. Laser protective eyewear required2. Invisible laser radiation3. Knock before entering4. Door to be locked during laser use5. Do not enter when light is on6. Restricted access area7. Eye and skin PPE required
Laser type/power/wave/duration examples (insert appropriate text at position 2 on sign):1. Types: Argon, Helium-Neon(HeNe), Krypton, Excimer (ArF, KrF), Ruby, Sapphire, Neodymium(Nd):YAG, CO22. Power: max. output in Joules or Watts 3. Wavelength(s) in µm (0.180 -103 µm)
4. Duration: Continuous Wave (CW), pulsed, Q-switched
Position 1
Position 2
NMSU EHS/dls05