skip navigational links Occupational Safety & Health Administration DOL.gov OSHA.gov DOL.gov
www.OSHA.gov


Slide 14
Previous Slide 14 of 76 Next


BACK TO MAIN PAGE < INDEX

Combustible Gas Description
  • UEL (or UFL) - Upper Explosive (Flammable) Limit - concentration above which there isn′t enough oxygen to support combustion.
  • LEL and UEL values in tables assume a normal concentration of oxygen (20.9%). Oxygen enriched environments are much more unstable.
Back to TopBack to Top www.osha.gov www.dol.gov
Contact Us | Freedom of Information Act | Customer Survey
Privacy and Security Statement | Disclaimers
Occupational Safety & Health Administration
200 Constitution Avenue, NW
Washington, DC 20210