Fit testing and user seal checking have different uses and, as outlined in the preamble to the U.S. Occupational Safety and health Administration (OSHA) legislation for respiratory protection (Title 42, Code of Federal Regulations, Part 1910.134), one cannot be substituted for the other.
Started with a question on the relative effectiveness of “fit testing” and “user seal checking” (previously referred to as “fit checking”), members and moderators exchange information resources and discuss fit testing and user seal checking methods and uses for various respirators.
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