1984

1986

Occupational Health and Safety Act proclaimed November 1, 1986

Occupational Health and Safety Act Consolidated

1988

Amendments to Occupational Health and Safety Act included "Controlled Product" WHMIS was introduced to the OH&S Act) and Safety Committees> 20 employees and Safety Representatives <20 employes

1991

1992

Amendments to Occupational Health and Safety Act relating to administrative penalty and increased penalties

Amendments to the Occupational Health and Safety Act changed all reference from Minister to Workers' Compensation Board

2002

2004

Occupational Health and Safety Act Consolidation

Oil and Gas Regulations went into effect