Published in the Federal Register January 8, 1998, OSHA's revised respiratory protection standard, 29CFR1910.139, goes into effect April 8 this year.
A much-hyped facet of the revision is a "two-in/two-out rule" requiring firefighters to enter burning structures in teams of at least two with at least two other fully-equipped and trained firefighters standing by. Other major requirements of the new standard, covering all industry sectors except agriculture, are that: