HAZWOPER 8-Hour Refresher Practice Test 2025 – Comprehensive Exam Prep

The acronym PASS stands for Pull, Aim, Squeeze, Sweep, which is a widely recognized method for using a fire extinguisher effectively. Understanding this sequence is crucial for safely and efficiently tackling small fires.

- Pull: This first step involves pulling the pin at the top of the extinguisher to unlock it. This step is vital as it allows you to access the discharge mechanism.

- Aim: After pulling the pin, you should aim the nozzle at the base of the fire. This focus is important because targeting the base is essential to extinguishing the flames effectively, rather than just dispersing the extinguishing agent into the fire's flames.

- Squeeze: You then squeeze the handle to release the extinguishing agent. This action directs the flow of the agent towards the fire, and it's crucial to do this steadily for a continuous discharge.

- Sweep: Lastly, you sweep the nozzle side to side, covering the area of the fire. This sweeping motion helps to ensure that the extinguishing agent is applied thoroughly over the burning material, increasing the likelihood of extinguishing the fire completely.

This method emphasizes a systematic approach to fire fighting and prioritizes safety, which is essential in any fire-related emergency. Other options present unrelated processes which do