WAC 296-307-618. Labeling of air-purifying respirator filters, cartridges, and canisters

Employer responsibility: To make sure employees, their supervisors, and program administrators can easily check for the correct air-purifying filters, cartridges, and canisters on respirators. Exemption: This section does NOT apply to filtering-facepiece respirators when used voluntarily. See WAC 296-307-598 for voluntary use requirements.