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Preserved Wood as a Potential Source of Arsenic and Fungi in the Foundation Walls of Homes
65891

Many Canadian homes have been built on preserved wood foundations. For many years, chromated copper arsenate (CCA) and ammoniacal copper arsenate (ACA) were the most widely used agents to treat wood intended for such below-grade use. Concerns have been raised that these preservative chemicals may be released from the wood and contaminate adjacent areas. Additionally, it is known that fungi and other microbial contaminants can colonize building materials and assemblies, especially when they are exposed to excessive moisture. To better understand these concerns, this project examined preserved wood as a potential source of arsenic and fungi in preserved wood foundation walls.


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French language version:

Le bois traité, source possible d'arsenic et de spores fongiques dans les murs de fondation des maisons
65892

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