a a a
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 or refrigeration.

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:
    Class A Class B Class C Class D, Division 1 Class D, Division 2 Class D, Division 3 Class E Class F
    Copyright © 2005,2006 Priority Safety Consulting Inc.