Practice question

Which instrument is best suited for detecting ionizing radiation at a hazmat incident?

  1. Photoionization detector (PID)
  2. Flame ionization detector (FID)
  3. Geiger-Mueller (GM) counter or survey meter
  4. Combustible gas indicator (CGI)

Answer: C — Geiger-Mueller (GM) counter or survey meter

The correct answer is shown above. Try the full quiz for additional practice.

Practice more: Hazmat Technician Practice Questions - Hazardous Materials Technician Exam →