Note that some PT samples for the current PT round will require specific preparation prior to analysis. For details, please refer to the instruction sheets.



Proficiently Testing Canada is accredited by the American Association for Laboratory Accreditation (A2LA) and operates on a not-for-profit basis. PTC has recently been acknowledged to be fully conformant to the international PT standard ISO/IEC 17043:2010.

View Full Scope of Accreditation

Request more information

If you are interested in acquiring PT for your organization, send an email to