What it contains

Copper chrome arsenate (CCA) is a wood preservative that is fixed into timber and used to protect wood from rotting, fungi and insects, and resist leaching. This fact sheet provides information about collection and disposal of CCA-treated timber ash after a fire, and protecting your health when collecting ash from CCA-treated timber.
Publication number
Land and groundwater
Number of pages
Release date
15 January 2020

Reviewed 31 August 2023