Environmental Health & Safety

Laboratory Safety Unit

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Laser protective eye wear shall be worn whenever MPE levels may be exceeded. Information on the selection of laser protective eyewear for Class 3B or 4 lasers is available through ANSI Z136.1-2014 Section 4.4.4.2.
In general, eyewear provides protection over a narrow range of the laser spectrum. Eyewear designed for protection at one wavelength may afford little or no protection at another wavelength. Consult the laser manufacturer, a laser eyewear supplier/manufacturer, or the EH&S Laboratory Safety Unit for proper selection of protective eyewear.
Laser protective eyewear shall be approved by the American National Standards Institute (ANSI Z87.1-2010) and be clearly labeled with optical densities and wavelength for which protection is afforded. The use, storage, and limitations of protection afforded by personal protective equipment should be known. Consult the UofR's Personal Protective Equipment Plan for additional information. Eyewear shall be inspected every 6 months by the LSO for pitting and cracking of the attenuating material, for mechanical integrity, and light leaks in the frame. Records of the eyewear inspections are to be retained in the laser lab.

Protection for the skin may be afforded through the use of clothing to cover normally exposed skin areas.
Skin protection is recommended for repeated ultraviolet exposures from Excimer lasers. Such protection includes long sleeved shirts and gloves. UV rated creams are recommended for the face and ears.
Any type of glove or lab coat used for protection from a Class 4 laser shall be made of flame retardant material.

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This page last updated 7/11/2019. Disclaimer.