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From Wikipedia, the free encyclopedia. The permissible exposure limit (PEL or OSHA PEL) is a legal limit in the United States for exposure of an employee to a chemical substance or physical agent such as loud noise. Permissible exposure limits are established by the Occupational Safety and Health Administration (OSHA).
1. , small particles and chips of insoluble beryllium-containing. material can break off and spread through the air in the work area unless ventilation and other controls are. used. The federal Occupational Safety and Health Administration (OSHA) permissible exposure limit (PEL) for.