Cylinder Requalifiers - Registered per Standard CSA B339

Facilities meeting the requirements to requalify cylinders and tubes set out in clause 24 of the Canadian Standards Association, Standard CSA B339 are given a Certificate of Registration. Upon registration, an identifying mark is issued to each requalifier. This mark must be stamped or affixed, depending on the container specification, on the cylinder or tube each time it is requalified. A Certificate of Registration is valid for a period of five years.

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