Atmospheric Testing in Confined Spaces
Confined Spaces | 10-15 min
Summary
Atmospheric hazards cause approximately 60% of confined space fatalities, making proper testing the single most important protective measure before entry. An atmosphere that looks and smells normal can be immediately deadly - hydrogen sulfide at high concentrations paralyzes the sense of smell, carbon monoxide is completely odorless, and oxygen-deficient atmospheres provide no warning before causing unconsciousness. Your senses cannot protect you; only instruments can.
Members get the full script, discussion questions, English + Spanish printable PDFs, and email delivery.
Start your 7-day free trialKey Points to Cover
- Test for oxygen, flammables, and toxics in that order
- Calibrate instruments according to manufacturer instructions
- Test at multiple levels within the space
- Continue monitoring during the entry
- Know the acceptable entry conditions
Frequently Asked Questions
How long should this safety talk take?
Plan for about 10-15 min, with extra time for questions and site-specific examples.
Can I tailor the discussion to my workplace?
Yes. Use the key points as a starting place and connect them to the tasks, equipment, and procedures your team uses.