Facilities still contain built-in materials that were exposed to rain and snow in the construction or renovation process, leading to the presence of mould.

Although Canada is finally banning asbestos-containing products for good by 2018, the government hasn’t yet clarified issues related to existing asbestos.

ASHRAE Standard 188, released in 2015, requires that buildings evaluate where Legionella growth may occur in all water and plumbing systems.