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
What is the primary purpose of the 'toxicological information' section in a Safety Data Sheet (SDS) for a hazardous material?
Answer: To provide health effects from exposure routes including inhalation and skin contact
Section 11 (Toxicological Information) of an SDS describes health effects from various exposure routes including inhalation, ingestion, and dermal contact.
When a HazMat incident involves a compressed gas cylinder that is leaking and cannot be stopped, what is the preferred FDNY action if no life safety threat is present?
Answer: Isolate the area and allow the gas to vent in a controlled manner
If no immediate life safety threat exists and the leak cannot be stopped, isolating the area and allowing controlled venting is preferred over risking injury through direct intervention.
Which FDNY HazMat unit designation typically serves as the primary response unit for confirmed chemical, biological, or radiological (CBRN) incidents in New York City?
Answer: HazMat Company 1
HazMat Company 1, stationed in Manhattan, is FDNY's primary HazMat unit and responds to confirmed CBRN incidents citywide.
The Lower Explosive Limit (LEL) of a flammable gas represents what condition?
Answer: The minimum concentration in air at which the gas can ignite
The LEL is the minimum concentration of a flammable gas in air below which ignition cannot occur because the mixture is too lean.
Which agency regulates the transportation of hazardous materials by road, rail, and air in the United States, setting placarding and packaging requirements?
Answer: DOT (Department of Transportation)
The U.S. Department of Transportation (DOT) regulates hazardous materials transportation through Title 49 of the Code of Federal Regulations, including placarding, labeling, and packaging standards.
What does a reading of 0% LEL on a combustible gas indicator (CGI) indicate at a HazMat scene?
Answer: No flammable gas is detected above the instrument's detection threshold
A 0% LEL reading means no flammable gas concentration is detected at or above the instrument's minimum detection level, indicating a non-flammable atmosphere at that location.