How frequently does OSHA require Fit Testing for respirators?

OSHA requires that fit testing for respirators be conducted annually to ensure that the respirators provide the intended level of protection for employees. This annual fit testing is essential because it helps to verify that the respirator fits properly on the wearer’s face, which can change over time due to factors like weight fluctuation, dental work, or changes in facial structure. By enforcing an annual fit testing requirement, OSHA aims to maintain worker safety and compliance with respiratory protection standards, thereby minimizing the risk of exposure to harmful airborne contaminants in the workplace. This frequent testing is a crucial aspect of effective respiratory protection programs, ensuring that the equipment remains effective and that employees are adequately protected.