Practice question

An Operations responder is sizing up a chlorine tank-car release. Which initial isolation distance source should they consult FIRST?

  1. ATSDR ToxFAQs sheets
  2. DOT Emergency Response Guidebook (ERG) green-page tables
  3. NFPA 704 placard on the facility wall
  4. OSHA permissible exposure limit (PEL) for chlorine

Answer: B — DOT Emergency Response Guidebook (ERG) green-page tables

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

Practice more: Hazmat Operations Practice Questions - NFPA 470 Hazardous Materials Operations Exam →