Alphabet Soup Explanation
- The Permissible Exposure Limit ( PEL or OSHA PEL ) is a law/legal limit in the United States for exposure of an employee to a substance.
- TLV is a reserved term of the American Conference of Governmental Industrial Hygienists
- The National Institute of Occupational Safety and Health (NIOSH) publishes RELs (recommended exposure limits) which OSHA takes into consideration when promulgating new regulatory exposure limits.
Any occurrence such as, but not limited to, equipment failure, rupture of containers, or failure of control equipment that may or does result in an uncontrolled significant release of an airborne contaminant.