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When workers enter a confined space to inspect equipment, fix leaks, or do construction work, they can encounter toxic gasses, corrosive chemicals, flammable solvents, or machines that start unexpectedly. If something goes wrong, a confined space can be difficult or impossible to exit. And would-be rescuers can die as quickly as those they are trying to rescue.
General industry and construction industry employers confined space rule, 437-002-0146
Agriculture employers confined space rule, 437-004-1250 Confined and Hazardous Spaces
Confined spaces and permit spaces
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