Standard Operating Procedures (SOPs) are required for all Class 3B and Class 4 lasers and laser systems (including imbedded lasers if hazards are accessible), and must be approved by the Laser Safety ...

Lasers with power, greater than 5 milliwatts (mW) (Class 3B and Class 4), must be registered with radiation safety and are not a laser pointer, they are handheld lasers and can cause an immediate eye ...

When using a Class 3B or Class 4 laser, potential hazards from the direct beam exist to the eye and skin. The severity of these hazards is dependent upon the wavelength and the power output of the ...

The Oklahoma high school basketball Class 4A boys state tournament started Wednesday at State Fair Arena. Here's a look at ...