TECH TALK

November 2004

Safety, Health Agency Approves New Gas Mask

edited by Robert H. Williams

The National Institute for Occupational Safety and Health has for the first time certified a gas mask that offers protection from chemical, biological, radiological and nuclear agents. The full face-piece air-purifying respirator is made by MSA, of Pittsburgh, Pa.

The Millennium CBRN Gas Mask is composed of a one-piece polyurethane lens that is bonded to a rubber face-piece. The mask incorporates a tube for hydration and the dual canister mount “allows for weapon sighting from either shoulder,” said a spokesman. Lens fogging, he mentioned, is “prevented by an internal nose cup that deflects air from the lens.”

Another feature is a mechanical speaking diaphragm or an optional company produced communications system. A butyl-coated nylon hood is used for head protection.

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