Demonstrate the use and application of foam in various fire situations.

Demonstration should include

• determining the type of materials that are fueling the fire
• choosing the appropriate class of foam per fuel (i.e., Class A or Class B)
• using the correct proportioning and concentration method, including
  • induction
  • injection
  • batch-mixing
  • premixing
• selecting the foam delivery device, including
  • hand-line nozzles
  • medium- and high-expansion foam-generating devices.

Process/Skill Questions:

• Why would a fluoroprotein foam be used to fight a fire?
• What is the bank-down method, and in what situation might it be used?
• Why might poor foam generation be experienced?
• What are the restrictions on the use of foams that contain per- and polyfluoroalkyl substances (PFAS) in Virginia?
• What is the difference between the use of fog nozzles vs. foam nozzles?