SN 63 - Requirements for Workers Who Are Actively Conducting Operations in IDLH Atmospheres

This OSH Standards Notice discusses the requirements for workers conducting operations in atmospheres classified as being immediately dangerous to life and health. It references the following standards: 29 CFR 1910.120 – Hazardous Waste Operations and Emergency Response, 29 CFR 1910.134 – Respiratory Protection, 29 CFR 1910.156 – Fire Brigades,, and NCGS 95-129(1) – Occupational Safety and Health Act of North Carolina, “General Duty Clause”.

Also reference Also reference CPL 02-00-158, Inspection Procedures for the Respiratory Protection Standard, 29 CFR 1910.134, CPL 02-02-073, Inspection Procedures for 29 CFR 1910.120 and 1926.65 Paragraph (q): Emergency Response to Hazardous Substance Release, CPL 02-02-051, Inspection Guidelines for Post-Emergency Response Operations Under 29 CFR 1910.120,  OPN 107 - Enforcement Guidelines for the Hazardous Chemicals Right-to-Know Act, STD 01-09-003 - Fire Brigades and Field Operations Manual Chapter 15: Industrial Hygiene Compliance.  Additional information and resources can be found on the safety and health topic page for Emergency Response, Fire Brigades, Respiratory Protection and Hazardous Waste Operations and Emergency Response.