🔍 Key Concepts

• Firefighting foam concentrates and how they degrade over time • Manufacturer’s recommendations for storage conditions of chemicals • Why temperature and moisture control are important for fire-extinguishing agents

💭 Think About

• Which of these options would best help the chemical foam concentrate keep its effectiveness for the longest time? • Think about what heat, freezing, or exposure to air and humidity might do to a chemical product stored for emergencies. • If these chemicals must be ready for immediate use in a fire, which storage method is most practical and commonly recommended?

✅ Before You Answer

• Eliminate any choice that would expose the chemicals to air, moisture, or contamination. • Eliminate any choice that requires them to be kept at extreme or unusual temperatures. • Choose the option that sounds like a general good-practice storage condition for many emergency chemicals.