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NIOSH - National Institute for Occupational Safety and Health

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NPPTL  - The National Personal Protective Technology Laboratory
 

The National Personal Protective Technology Laboratory (NPPTL)

The Certified Equipment List (CEL) page has moved: http://www.cdc.gov/niosh/npptl/topics/respirators/cel/default.html

The downloadable Certified Equipment List (CEL) is currently being revised, and is not available at this time. Please try the Online CEL.