Workplace safety is a critical concern for industries where employees face exposure to hazardous air contaminants, chemicals, or particulates. Proper respirator clearance is a cornerstone of any effective respiratory protection program, ensuring workers can safely use respirators without compromising their health. This process involves multiple components, including respirator fit tests, Pulmonary Function Tests (PFTs), the OSHA Respirator Medical Evaluation Questionnaire (MEQ), and a respirator clearance physical exam.