Occupational Exposure Limits

Oregon Institute of Occupational Health Sciences Featured Resources provide the latest information on workplace safety, health and well-being. Additional information can be filtered by topic in the supporting navigation to the left of the article content.

  • Date
  • Type
  • Title
Jan 26, 2017
Workplace Exposure Limits – HSE UK


Scroll to the bottom of the page for links to approved Workplace Exposure Limits (WELs) and Biological Monitoring Guidance from the Health and Safety Executive within the UK.

Source: HSE

Jan 26, 2017
American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Values (TLVs)


This page provides descriptions and ordering information for the TLVs and BEIs,which are guidelines established by the American Conference of Governmental Industrial Hygienists.

Source: ACGIH

Mar 01, 2013
International Labour Organization: Chemical Exposure Limits


The following texts provide information on the agency responsible for the establishment and publication of exposure limits in each country with an Internet link to a table or database containing the exposure limit values.

Source: ILO

Nov 01, 2011
Workplace Safety & Health Topics: NIOSH Evaluation of its Cancer and REL Policies


NIOSH is currently reviewing its cancer (carcinogen) and related Recommended Exposure Limit (REL) to ensure that they reflect current scientific and risk management practices.

Source: NIOSH