D- High flow benchmark PAPR 15 Dec 04

This presentation should not be considered a final statement of NIOSH policy or of any agency or individual who was involved. This information is intended for use in advancing knowledge needed to protect workers. Comments regarding this presentation may be submitted to the NIOSH Docket Office.National Personal Protective Technology LaboratoryCanister Requirements of CBRN Powered Air-Purifying Respirators with Benchmark ResultsSheraton Station Square Pittsburgh, PATerry Thornton, ChemistDecember 15, 2004NPPTL 2004 12 15 CC SCBA ConceptCanister Requirements of CBRN Powered Air-Purifying Respirators• The requirements for the PAPR canister testing will be based on the same tests as for the air purifying respirator canisters Statement of Standard for Chemical, Biological, Radiological, and Nuclear (CBRN) Full Facepiece Air Purifying Respirator (APR), Dated March 7, 2003• Hazard list derived during earlier CBRN standards development workNPPTL Year Month Day File nameCanister Requirements of CBRN Powered Air-Purifying RespiratorsTRA Challenge Breakthrough Concentration Concentration (ppm) (ppm)Cyclohexane 2600 10Sulfur dioxide 1500 5Hydrogen sulfide 1500 5Cyanogen Chloride 300 2Phosgene 250 1.25Hydrogen Cyanide 940 4.7 Ammonia 2500 12.5Phosphine 300 0.3Nitrogen dioxide 500 1 ppm NO or 25 ppm NO2Formaldehyde 500 1NPPTL Year Month Day File nameCanister Requirements of CBRN Powered Air-Purifying Respirators• Manufacturer will apply for − ...