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🕳️ Confined Space Entry Awareness

Free confined space entry awareness training to OSHA 1910.146 with a completion certificate.

Last updated: June 2026

Recognize permit-required confined spaces, the deadly atmospheric hazards, the testing order, isolation and ventilation, the entry permit, and the attendant's life-saving role under OSHA 29 CFR 1910.146. It maps to OSHA 1910.146 confined spaces. The course is organized into 7 modules, ending with a final exam (pass mark 80%). It is free awareness-level training designed for anyone who needs a practical, working understanding of the topic.

What you'll learn

  • What is a confined space?
  • The atmospheric killers
  • Test before you enter - in order
  • Isolate, ventilate and prepare
  • The entry permit and the team
  • Rescue - the deadliest moment
  • Safe entry sequence and recap

Learning objectives

  • Define a confined space and a permit-required confined space (PRCS) under OSHA 1910.146
  • List the atmospheric killers: oxygen deficiency/enrichment, flammable and toxic gases, and engulfment
  • State the correct atmospheric testing order (O2 then flammable then toxic) and the key numeric limits
  • Apply isolation (LOTO), blanking/blinding and forced-air ventilation before entry
  • Describe the entry permit and the entrant, attendant and entry-supervisor duties
  • Explain why most confined-space deaths are would-be rescuers and plan non-entry rescue
  • Follow the safe entry sequence and never enter without a valid permit