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Hazardous Materials Storage Flashcards

7 cards from real CFI practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Hazardous Materials Storage flashcards as text

  1. Under NFPA 30, what is the maximum allowable quantity of Class IB flammable liquids in a sprinklered inside storage room?

    Answer: 240 gallons

    NFPA 30 permits up to 240 gallons of Class IB flammable liquids in a sprinklered inside storage room.

  2. Which hazard class label is required on containers storing oxidizers?

    Answer: Class 5.1 — Oxidizer

    DOT and NFPA require the Class 5.1 Oxidizer label on containers storing oxidizing materials.

  3. What is the primary purpose of a flammable liquids storage cabinet?

    Answer: To limit fire exposure time to contents from an external fire

    Storage cabinets are designed to protect contents from external fire for at least 10 minutes, limiting fuel contribution.

  4. NFPA 400 governs the storage of which category of materials?

    Answer: Hazardous materials broadly including oxidizers, corrosives, and toxics

    NFPA 400 is the Hazardous Materials Code covering a broad range of hazardous material categories including oxidizers, corrosives, and toxic substances.

  5. When inspecting compressed gas cylinder storage, which condition is an immediate violation?

    Answer: Oxygen cylinders stored within 5 feet of flammable gas cylinders without a barrier

    NFPA 55 and CGA guidelines require a minimum 20-foot separation or a 5-foot non-combustible barrier between oxygen and flammable gas cylinders.

  6. What does the term 'maximum allowable quantity' (MAQ) refer to in hazardous materials storage?

    Answer: The quantity threshold below which a control area classification does not require special construction

    The MAQ is the maximum amount of a hazardous material allowed in a control area before stricter code requirements for construction and suppression apply.

  7. Which document must be available to responding firefighters that identifies all hazardous materials stored at a facility?

    Answer: Material Safety Data Sheet (SDS) binder or equivalent hazmat inventory

    IFC and NFPA require facilities to maintain an SDS library and hazmat inventory accessible to emergency responders.