Two escape hood designs (Draeger DefendAir and the Fume Free Quick Mask 2000) were tested to assess their capability to protect in a chemical warfare (CW) agent environment. Sarin and mustard vapor tests were performed on both types of hoods, and there were no breakthroughs during the 65-min tests. The hoods were also tested to assess their ability to protect the wearer from an aerosolized threat. Human test subjects donned the hoods and entered a corn oil aerosol chamber. The Draeger DefendAir achieved a 95.8% pass rate at a PF of 2,000, and the Fume Free Quick Mask 2000 achieved a 100% pass rate at a PF of 2,000.
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