Well, once again, what everybody knows is simply wrong!
The Best Confined Space Oxygen Level
Background. While normal atmosphere contains between 20.8 and 21 percent oxygen, osha occupational safety and health administration defines as oxygen deficient any atmosphere that contains less than. Low levels of oxygen can lead to impaired judgment, lack of coordination, behavior changes, dizziness, fatigue and ultimately collapse and death.
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Make sure that the oxygen content in the confined space is not enriched. Regulation 3.82 of the occupational safety and health regulations 1996, defines a confined space as an enclosed or partially enclosed space which Well, once again, what everybody knows is simply wrong!
20% minimum oxygen level is required for normal breathing.
A confined space is a space that is closed or partially closed and which has limited means of entry and exit and may present risks to health and safety. Confined space means an enclosed or partially enclosed space that: Confined space means a space that (1) is large enough for entering and working, (2) has limited or restricted means for entry or exit, and (3) is not designed to be occupied continuously by workers. At concentrations of less than 6 percent, there is a rapid loss of consciousness and death a confined space should always contain an oxygen level of at least 19.5 percent by volume.
