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4 SafetyLaser Signs at LBNL

For more information, contact Ken Barat, EHS Division, x2544

Indicates use area of mid to high power lasersThese are all potential eye hazardsDoes not indicate if lasers are on or off

WARNING!Vertical beams

Indicates a special conditionLaser alignment or service in progressAdministrative controls in placeSign removed when condition is changed

Indicates possible beam presenceUsually found on optical tables.May indicate presence of vertical beams on table, beam enclosure, etc.An awareness reminder