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Standards

State Standards

Twenty-five states, Puerto Rico and the Virgin Islands have OSHA-approved State Plans and have adopted their own standards and enforcement policies. For the most part, these states adopt standards that are identical to Federal OSHA. However, some states have adopted different standards applicable to this topic or may have different enforcement policies.

This section highlights OSHA standards, directives (instructions for compliance officers), standard interpretations (official letters of interpretation of the standards), and national consensus standards related to confined spaces.

OSHA

General Industry (29 CFR 1910)

Shipyard Employment (29 CFR 1915)

  • 1915 Subpart B, Confined and enclosed spaces and other dangerous atmospheres in shipyard employment
    • 1915.11, Scope, application, and definitions applicable to this subpart
    • 1915.12, Precautions and the order of testing before entering confined and enclosed spaces and other dangerous atmospheres
    • 1915.13, Cleaning and other cold work
    • 1915.14, Hot work
    • 1915.15, Maintenance of safe conditions
    • 1915.16, Warning signs and labels
      • Appendix A, Compliance assistance guidelines for confined and enclosed spaces and other dangerous atmospheres
      • Appendix B, Reprint of US coast guard regulations referenced in Subpart B, for determination of Coast Guard authorized persons

Directives

Standard Interpretations

National Consensus

Note: These are NOT OSHA regulations. However, they do provide guidance from their originating organizations related to worker protection.

American National Standards Institute (ANSI)/American Society of Safety Engineers (ASSE)

  • Z117.1 - 2009, Safety Requirements for Confined Spaces
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