Information is presented to help the employer design and maintain a respiratory protection program. Hazard identification and evaluation are discussed, along with guidelines for the selection of appropriate protection equipment. Medical aspects of proper equipment usage are described, and fitting and testing information is included. Equipment maintenance is described. Suggestions are included for inspection schedules, record keeping, and inspection procedures. Special considerations and conditions for respiratory use are discussed. Information on program evaluation and employee education and training procedures is presented. Also included are OSHA and NIOSH respiratory protection standards.