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Fume hoods and associated exhaust systems
This is the fifth edition of CSA Z316.5, Fume hoods and associated exhaust systems . It supersedes the previous editions published in 2020, 2015, 2004, and 1994. The following are the major changes to this edition
This Standard was prepared by the Subcommittee on Fume Hoods, under the jurisdiction of the Technical Committee on Medical Laboratory Quality Systems and the Strategic Steering Committee on Health and Well-Being, and has been formally approved by the Technical Committee. This Standard has been developed in compliance with Standards Council of Canada requirements for National Standards of Canada. It has been published as a National Standard of Canada by CSA Group
This Standard applies to all types of laboratory fume hoods, including ductless fume hoods. Note: Ductless fume hoods should not be considered acceptable substitutes for ducted fume hoods. They may be suitable alternatives provided there is an application-specific review (i.e., risk assessment) and written approval by the manufacturer. Some jurisdictions prohibit the use of ductless fume hoods with certain chemicals.
This Standard specifies
Notes: 1) Users of this Standard should note fume hood requirements are also established by AHJs. 2) Other fume hood requirements can be found in the National Building Code of Canada, the National Fire Code of Canada, the Canadian Environmental Protection Act, and CNSC REGDOC-2.5.6
This Standard does not address detailed design considerations, such as hood design, fan selection, and duct/stack velocities. This Standard does not apply to biological safety cabinets.
Notes:
In this Standard, "shall" is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the Standard; "should" is used to express a recommendation or that which is advised but not required; and "may" is used to express an option or that which is permissible within the limits of the Standard. Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material. Notes to tables and figures are considered part of the table or figure and may be written as requirements. Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application.
The values given in SI units are the units of record for the purposes of this Standard. The values given in parentheses are for information and comparison only.
| SDO | CSA: Canadian Standards Association |
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| Publication Date | Jan. 1, 2025 |
| Language | en - English |
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