Historical
NFPA 56-2014
Standard for Fire and Explosion Prevention During Cleaning and Purging of Flammable Gas Piping Systems, 2014 Edition
Content Provider
National Fire Protection Association [nfpa]
Content Provider
National Fire Protection Association [nfpa]
As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment.