Make Safety YOUR Priority!TM
WHMIS is the "Workplace Hazardous Material Information System"
Class A: Compressed Gas
This class includes compressed gases, dissolved gases and gases liquified by compression
Class A materials:
pose an explosion danger because the gas is being held in a container under pressure;
may cause its container to explode if heated (such as what would happen in a fire);
may also cause its container to explode if dropped.
When handling Class A materials you should:
handle with care, do not drop container;
keep container away from potential souces of ignition;
store the container in designated areas.
Examples of Class A materials: gas cylinders for oxyacetylene welding or water disinfection.
Complete list of WHMIS Symbols: