Practice question

You observe a chlorine rail car (UN1017) leaking. Which initial protective action is correct?

  1. Approach upwind to close the valves
  2. Establish at least an initial isolation distance from the ERG and evacuate downwind
  3. Apply water to the leak
  4. Vent the car to atmosphere

Answer: B — Establish at least an initial isolation distance from the ERG and evacuate downwind

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