Download or read book Respiratory Protective Devices for Use Against Chemical, Biological, Radiological and Nuclear (CBRN) Agents. Powered Air-Purifying Respirators. Specification written by British Standards Institute Staff and published by . This book was released on 2008-08-29 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: Respirators, Breathing apparatus, Safety devices, Chemical hazards, Biological hazards, Radiation hazards, Nuclear radiation, Firefighting, Decontamination, Emergency equipment, Emergency services, Supplied air breathing apparatus, Performance, Gas-resistance tests, Leak tests, Chemical-resistance tests, Designations, Classification systems, Marking