CDL · Hazardous materials

How much chlorine on board makes it necessary to stop before crossing railroad tracks?

Correct answer: Any amount at all.

Answer options

  1. AMore than 1,000 pounds
  2. BAny amount at all Correct
  3. C100 gallons or more

Why

Chlorine is so toxic that even a small quantity calls for a stop before the tracks, just as placards do; halt there, then look and listen in both directions before crossing.

About this question

Topic: Hazardous materials   License: CDL

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Where it applies: Asked in every state.

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This question is part of HazMat Routes, Crossings and Checks (23 questions). Take the full set and check your score.

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