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Occupational Safety and Health Topics A to Z

Confined Spaces

All standards are on the OSHA website unless otherwise noted.

General Industry

Permit Required Confined Spaces, 29 CFR 1910.146

29 CFR 1910.146, Appendix A - Permit-required Confined Space Decision Flow Chart

29 CFR 1910.146, Appendix B - Procedures for Atmospheric Testing

29 CFR 1910.146, Appendix C - Examples of Permit-required Confined Space Programs

29 CFR 1910.146, Appendix D - Confined Space Pre-Entry Check List

29 CFR 1910.146, Appendix E - Sewer System Entry

29 CFR 1910.146, Appendix F (Non-Mandatory) - Rescue Team or Rescue Service Evaluation Criteria

Special Industries, 29 CFR 1910 Subpart R - several of the industry specific standards in this subpart also address confined or enclosed spaces.

Maritime Industry

Confined and Enclosed Spaces and Other Dangerous Atmospheres in Shipyard Employment, 29 CFR 1915 Subpart B

Marine Terminals, 29 CFR 1917.23-25

Construction Industry

Confined Spaces in Construction, 29 CFR 1926 Subpart AA
Operating Documents
Permit Required Confined Spaces Directive, CPL 2.100
Confined and Enclosed Spaces and Other Dangerous Atmospheres in Shipyard Employment, CPL 02-01-051
Applicability of the Permit Required Confined Spaces Standard to Concrete Mixing Trucks, Standards Notice 67, NCDOL
Permit Required Confined Spaces Interpretations, OSHA website
A Guide to Safety in Confined Spaces, NCDOL
Confined Spaces Fact Sheet, NCDOL
Confined Spaces Quick Card (English) (Spanish), NCDOL
Confined Space Entry Program, NCDOL example program
Confined Spaces Publications, OSHA website
Training Resources
Confined Spaces Videos, NCDOL Library (See "Confined Space Entry Safety" heading under video and DVD dataase.)
Training and Outreach Services, NCDOL
Other Agency Resources
Confined Space Expert Advisor (online) , OSHA website
Confined Spaces Subject Index, OSHA website
Confined Spaces Subject Index, U.S. Department of Health and Human Services Centers for Disease Control, National Institute for Occupational Safety and Health website
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