Practice question

A specialist verifying that an air-purifying respirator cartridge is appropriate must confirm that the:

  1. Cartridge is rated to remove the specific contaminant and the atmosphere has adequate oxygen and is below IDLH
  2. Cartridge is any color available
  3. Atmosphere is unknown
  4. Oxygen level is irrelevant

Answer: A — Cartridge is rated to remove the specific contaminant and the atmosphere has adequate oxygen and is below IDLH

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