scope:

This Standard applies to all types of fume hoods.

This Standard specifies safety requirements for fume hoods and test methods to be used to determine performance. 

This Standard provides recommendations for selection, use, user education and maintenance of fume hoods.

This Standard provides recommendations for necessary information to be exchanged between the supplier and user of fume hoods to ensure that the installation, function and maintenance are compatible with the intended use.

This Standard does not apply to biological containment cabinets. Note: Requirements applicable to the installation and field testing of biological containment cabinets are given in CSA Standard CAN/CSA-Z316.3, Biological Containment Cabinets: Installation and Field Testing.

Regulatory agencies having jurisdiction may stipulate additional requirements, such as, but not limited to, the following examples: the National Building Code of Canada, the National Fire Code of Canada, the Canadian Environmental Protection Act, and the Atomic Energy Control Regulations.

In this Standard, the word "shall" indicates a mandatory requirement; "should" indicates a recommendation which is advised but not mandatory. Notes accompanying clauses provide explanatory or informative material that is not properly a part of this Standard. 

The values given in SI (metric) units are the standard. The values given in parentheses are for information only