Content page
14 Jul 2021
Copper chrome arsenate treated timber
Copper chrome arsenate (CCA) is a water-borne solution of up to 25% copper, up to 45% chromium and up to 37% arsenic. This treatment makes the timber highly resistant to pests and fungi but it can also be toxic when handled or burnt, and should never be used for household building or renovation.
Content page
14 Jul 2021
Treated timber regulation and standards
In NSW, the EPA monitors the use of chemicals involved in treating timber, sets standards for responsible use of timber treatments and regulates the wood preservation industry.
Content page
14 Jul 2021
Codes, labels and branding
Brands and labels on timber preserved to Australian Standards help buyers and users identify which company manufactured it, the treatment used and its hazard level. Special labelling is required for timber treated with copper chrome arsenate (CCA).
Content page
07 Jun 2024
Safe disposal of treated timber
Treated timber contains chemicals that can be harmful to the environment, your health or your children’s health. It should be safely disposed of, and never burnt or buried.
Content page
22 Nov 2025
Dealing with household asbestos
Learn about the different forms of asbestos, where you might find it, how you can identify it, how be safe around it and what you have to do when disposing of it.
Content page
27 Feb 2024
Facilities that accept household asbestos
NSW waste facilities that accept household asbestos from the public are listed on this page by region. Always phone the landfill you plan to visit in advance to ensure they accept household asbestos waste.
Content page
27 Feb 2024
Social research to improve asbestos management
The NSW EPA has conducted research in order to understand how to increase safe and legal behaviour towards asbestos. By understanding the behaviours towards asbestos management and disposal you can be better informed and make better decisions when designing your own strategies or programs.
Content page
16 Sep 2024
Stay safe from lingering lead
It might be in old coats of paint, dust, or even your soil – and it’s especially dangerous to children. The Stay Safe from Lingering Lead Campaign helps with understanding and dealing with lead in your home or workplace.
Content page
19 Feb 2026
About illegal dumping
Illegal dumping is wrong, and often dangerous. Here’s what we’re doing to stop illegal dumping.