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Instructions:
Each laboratory has a room sign that provides safety information to visitors and housekeeping personnel.
In addition, Class 3 and 4 laser labs must also have signs that meet ANSI Z136.1-2000 requirements. The
principal investigator is responsible for assuring that appropriate warning information is included on
the sign. Please allow 2-4 weeks for processing.
List the Class and type of laser(s) in your lab(s).
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