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Synonyms:
Occupational Exposure Limits, Permissible Exposure Levels, Safe Exposure Thresholds, Maximum Allowable Concentrations, Exposure Guidelines
Recommended Exposure Limits (REL) is an occupational limit that has been recommended by the National Institute for Occupational Safety and Health as being protective of worker safety and health over a working lifetime. It is frequently expressed as a #0excludeGlossary Average (TWA) exposure for up to ten (10) hours a day during a forty (40) hour work week.
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