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CSA B55.1-12

Test method for measuring efficiency and pressure loss of drain water heat recovery units
standard by CSA Group, 07/01/2012

CSA C22.1-12

Canadian electrical code, part I (22nd edition), safety standard for electrical installations, Includes Update No. 1 (2012)
standard by CSA Group, 01/01/2012

CSA B44-07

Safety Code for Elevators and Escalators (Bi-National standard, with ASME A17.1-2007)
standard by CSA Group, 04/06/2007