Secondary Coolant
Safety Order
Safety Order: Secondary Coolant
March 25, 2021
Safety Order
Boiler, PV and Refrigeration
Reference Number:
SO-BP 2021-01
Revision Number:
Rescinded
SO-BP 2021-01: This Safety Order has been rescinded because the historical compliance date is no longer applicable. Additionally, the other specified requirements are now addressed within the 2023 edition of the CSA B52 and directive D-BP-2025-02.