IAQ-related regulations for workplaces under Canadian federal jurisdiction came into effect on October 11th, 2000.  An amendment to the Canadian Occupational Safety and Health regulations is actually titled "Heating, Ventilation and Air Conditioning Systems".  This regulation includes requirements for Operation, Inspection, Testing, Cleaning and Maintenance of HVAC systems, and IAQ investigation procedures.   Click here to see the text of the amendment to the COSH regulation.

The amendment was published in the Canada Gazette (Part II: Vol 134, #21) on October 11th, 2000.  Click here to go to a PDF file for the edition of the Canada Gazette in which the amendment was published.  The full version from the Canada Gazette also includes a Regulatory Impact Assessment.

Provincial IAQ regulations came into effect for workplaces in British Columbia in April 1998, as part of Worksafe B.C's Occupational Health and Safety Regulation.  Click here to see the text of the Worksafe B.C. IAQ regulation.

The full text of the B.C. Provincial Occupational Health and Safety Regulation is available from the Worksafe B.C. web site.  Click here to go to the Worksafe B.C.download page