Remove your mask with hood after the "all clear" order is issued.

• Remove your headgear.
• Unfasten the underarm straps.
• Loosen the draw cord.
• Unzip the front.
• Pull the back of the hood
  completely over the front of the
  mask gently.
• Loosen the cheek straps.
• Grasp the mask at the outlet valve
  chin position with your hand over
  the hood.
• Remove the mask with a down,
  out, and up motion.