NFPA 91
Standard for Exhaust Systems for Air Conveying of Vapors, Gases, Mists, and Particulate Solids
Organization: | NFPA |
Publication Date: | 1 January 2020 |
Status: | active |
Page Count: | 30 |
scope:
This standard provides minimum requirements for the design, construction, installation, operation, testing, and maintenance of exhaust systems for air conveying of vapors, gases, mists, and particulate solids as they relate to fire and/or explosion prevention, except as modified or amplified by other applicable NFPA standards.
This standard does not cover exhaust systems for conveying combustible particulate solids that are covered in other NFPA standards (see A.1.1).
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