Make sure you know everything about OSHA’s Respiratory Protection Standard from fit testing to record keeping. When the Occupational Safety and Health Administration’s (OSHA’s) revised Respiratory Protection Standard, 29 Code of Federal Regulations (CFR) 1910.134, became effective on April 8, 1998, it provided employers with an all-inclusive reference for fit testing guidelines. Before its revision, the standard made reference to testing a respirator’s “face-piece-to-face seal” but provided no additional guidance on how to perform the test. The revised standard specifies what respirators need fit testing, the kinds of fit tests allowed, the procedures for conducting them and how frequently fit tests […]