What does the PASS acronym stand for in fire extinguisher use?

• A. P: Pull/Push; A: Aim; S: Squeeze; S: Sweep
• B. P: Push/Pull; A: Aim; S: Squeeze; S: Sweep
• C. P: Pull; A: Aim; S: Squeeze; S: Sweep
• D. P: Pull/Push; A: Aim; S: Sweep; S: Squeeze

Answer: (A)

PASS is a quick guide for using a portable fire extinguisher: P stands for Pull the pin to break the tamper seal and allow discharge; A stands for Aim at the base of the fire; S stands for Squeeze the handle to release the extinguishing agent; the final S stands for Sweep the nozzle from side to side across the base of the fire to blanket the fuel source.

Pulling the pin is the necessary first step because it unlocks the trigger mechanism. Pushing would not disengage the safety feature. Aiming at the base ensures the suppressant reaches the fuel rather than just the flames. Squeezing or pressing the lever releases the agent, and sweeping from side to side helps cover the area and prevent reignition by treating the entire base of the fire.