Standard for Thermal Insulation – Spray Applied Rigid Polyurethane Foam, Medium Density – Application (CAN/ULC S705.2-05) standard by Underwriters Laboratories of Canada, 02/01/2005
Standard for Aboveground Horizontal Steel Contained Tank Assemblies for Flammable and Combustible Liquids (CAN/ULC-S653:2016) standard by Underwriters Laboratories of Canada, 01/01/2016