Which NFPA standard pertains to the use of foam in fire protection?

The National Fire Protection Association (NFPA) standard pertinent to the use of foam in fire protection is NFPA 11. This standard provides guidelines for the selection, application, testing, and maintenance of foam fire suppression systems. It covers various types of foam concentrates and equipment, ensuring that fire protection systems effectively utilize foam to suppress and control fires, particularly those involving flammable liquids and hazardous materials. Understanding NFPA 11 is crucial for professionals in fire safety as it establishes the framework for effective foam application in various fire scenarios, allowing for informed decision-making when implementing fire protection measures.