Safety of Ultraviolet Welding

Ultraviolet (UV) radiation -- the portion of the electromagnetic spectrum between X-rays and visible light -- is generated by the electric arc during welding. Excessive exposure to UV radiation can damage the lens of the eye and result in severe burns to the skin.

UV Radiation

So-called inert arc welding, in particular, produces intense UV radiation, anywhere between five and 30 times that produced by shielded arc welding. The Occupational Safety and Health Administration (OHSA) produces several standards relating to UV welding safety.

Eyes

Any employee in an area not protected from exposure to UV radiation by screening must be protected by filter lenses. If two or more welders are working in close proximity, they should wear filter lens goggles complying with OSHA standards beneath their welding helmets.

Skin

Welders and other employees exposed to UV radiation should make sure their skin is completely covered. Welding helmets and hand shields -- for use when helmets are open or removed -- should be free of leaks and highly reflective surfaces.

References

• OSHA: Welding Health Hazards
• OSHA: Regulations
• HPS: Ultraviolet Radiation