NFPA 91, Standard for Exhaust Systems for Air Conveying of Vapors, Gases, Mists -2015
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NFPA 91 2015 approved by the state as exam material.
This standard provides technical requirements for exhaust systems that will protect lives and property from fires and explosions and minimize damage in the event that such fires and explosions occur.
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NFPA is the leading information and knowledge resource on fire, electrical, and related hazards.
