title: Interpreting OSHA's new APF proposal.
abstract: The new proposal from OSHA clarifies much of the longstanding confusion about the protection factor ratings of the respirators that employers and workers rely upon for protection in hazardous atmospheres. Almost irrespective of its final content, this new rule, once promulgated, will become the authoritative source for respirator Assigned Protection Factors and ease the burden of health and safety professionals who ministration of respiratory protection in the workplace.
authors.affiliation: Bullard Company, Cynthiana, Ky., USA.
authors.forename: Jay A
authors.initials: JA
authors.lastname: Parker
authors.forename: Brian
authors.initials: B
authors.lastname: Shockley
mesh_terms: D000395:Air Pollutants, Occupational; D017408:Guidelines as Topic; D006801:Humans; D016272:Occupational Health; D012134:Respiratory Protective Devices / Q000592:standards*; D014481:United States; D014489:United States Occupational Safety and Health Administration
chemical_list: D000395:Air Pollutants, Occupational