Advanced Industrial Hygiene
Only the Occupational Safety and Health Administration (OSHA) permissible exposure limits (PELs) are legally enforceable in the United States. Some of the OSHA PELs are based upon outdated toxicology studies and may not be protective enough. The American Conference of Governmental Industrial Hygienists (ACGIH) publishes threshold limit values (TLVs). Many of the TLVs are much more stringent than the corresponding OSHA PELs based on more […]