2024 NFPA 33 Standard Spray Application Using Flammable or Combustible Materials Expansion Foam Revised and expanded coverage of

Revised and expanded coverage of ignitible liquid detection (IGL) canines

and pathway survivability

Coverage spans centrifugal pumps

and mass notification systems

protective clothing and equipment

2024 NFPA 33 Standard Spray Application Using Flammable or Combustible Materials Expansion Foam Revised and expanded coverage ofNFPA 33, Standard for Spray Application Using Flammable or Combustible Materials 2024 edition establishes the mandatory requirements for fire and electrical safety in facilities where flammable or combustible materials are applied by spraying. This reference covers the spray application of coatings, handling of flammable liquids, and the construction and operation of spray rooms, spray booths, and spray areas, including requirements for ventilation,