What is the difference between a PEL, TLV and REL?

The permissible exposure limit (PEL) is a legal limit in the United States for exposure of an employee to a chemical substance or physical agent. PELs are established by the Occupational Safety and Health Administration (OSHA). In OSHA regulations, PELs are exposure limits to hazardous substances referenced in CFR 29 1910.1000 TABLE Z-1; Z-2 and Z-3 (Toxic and Hazardous Substances). Threshold Limit Value […]