When is it permissible to use respirators without proper maintenance?

Using respirators without proper maintenance is never permissible because respirators are vital personal protective equipment designed to protect users from inhaling harmful contaminants, such as dust, fumes, vapors, and gases. Proper maintenance includes regular cleaning, inspecting for damage, checking seals, and ensuring the filters are functional.

Without such maintenance, the respirator may not function as intended, potentially exposing the user to dangerous substances. Proper maintenance ensures that the respirator fits correctly, operates safely, and provides the necessary level of protection. Therefore, adhering to maintenance protocols is essential for the efficacy and reliability of respirators, making it clear that they should never be used without proper upkeep.