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FDNY Hazardous Materials Response Flashcards

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

Read the first 6 FDNY Hazardous Materials Response flashcards as text

  1. What does the acronym IDLH stand for in HazMat operations?

    Answer: Immediately Dangerous to Life or Health

    IDLH stands for Immediately Dangerous to Life or Health, representing the maximum concentration from which a person can escape within 30 minutes without irreversible health effects.

  2. Which type of HazMat detector uses ionization to detect volatile organic compounds (VOCs) at very low concentrations?

    Answer: Photoionization Detector (PID)

    A Photoionization Detector (PID) uses UV light to ionize gas molecules and is highly sensitive to VOCs at parts-per-billion levels.

  3. What is the recommended minimum safe distance for a small spill of an unknown flammable liquid in a non-populated area according to the ERG initial isolation guides?

    Answer: 25 meters (75 feet)

    The ERG recommends a minimum initial isolation distance of 25 meters (75 feet) for small spills of unknown flammable liquids pending further identification.

  4. In FDNY HazMat operations, what is the role of the 'Technical Decon' team member?

    Answer: To provide thorough decontamination of entry team members and equipment

    Technical Decon team members perform thorough, systematic decontamination of HazMat entry team personnel and their equipment as they exit the warm zone.

  5. Which chemical agent class is characterized by rapid incapacitation through nerve agent mechanisms, including inhibiting acetylcholinesterase?

    Answer: Nerve agents (Organophosphates)

    Nerve agents such as sarin and VX are organophosphate compounds that inhibit acetylcholinesterase, causing continuous nerve signal transmission and rapid incapacitation.

  6. During a clandestine drug lab response, FDNY HazMat personnel should assume the presence of which hazardous condition?

    Answer: Flammable, explosive, and toxic chemical hazards

    Clandestine drug labs typically involve flammable solvents, explosive precursor chemicals, and toxic byproducts, requiring full HazMat approach protocols.