NFPA 18:2021

Chapter 1 Administration 1.1 Scope. 1.2 Purpose. 1.3 Application. 1.4 Retroactivity. 1.5 Equivalency. 1.6 Units and Formulas. Chapter 2 Referenced Publications 2.1 General. 2.2 NFPA Publications. 2.3 Other Publications. 2.4 References for Extracts in Mandatory Sections. Chapter 3 Definitions 3.1 General. 3.2 NFPA Official Definitions. 3.3 General Definitions. Chapter 4 Uses and Limitations 4.1 General. 4.2 Limitations. 4.3 Compatibility of Wetting Agent Concentrate(s) and Solution(s). 4.4 Concentrations. 4.5 Health, Safety, and Environmental Considerations. Chapter 5 Requirements and Test Methods for Wetting Agent Concentrates and Wetting Agent Solutions 5.1 General. 5.2 Wetting Agent Concentrates and Solutions. 5.3 Wetting Agent Solutions. Chapter 6 Class A Fire Extinguishment Tests 6.1 General. 6.2 Wood Crib Fire Test.6.3 Deep-Seated Fire Test. 6.4 Wood Fiberboard Penetration. Chapter 7 Class B Fire Extinguishment Tests 7.1 General. 7.2 Listing. 7.3 Test Method. 7.4 Performance Requirement. Chapter 8 Wetting Agent Supply 8.1 System Requirements. 8.2 Fire Department Wetting Agent Supply Requirements. 8.3 Fixed Systems. Chapter 9 Packaging and Labeling 9.1 Packaging. 9.2 Storage. 9.3 Labeling. Chapter 10 Inspection, Testing, and Maintenance of Fixed Systems 10.1 Fixed Extinguishing Systems. 10.2 Inspection of Wetting Agent Concentrate. Annex A Explanatory Mater Annex B Informational References

This standard addresses qualiƒcation tests, meth‐ ods of evaluation, and general rules for application of wetting agents and wetting agent solutions as related to ƒre control and extinguishment.