Copper chromium arsenic, commonly known as CCA, stands as Australia's most extensively employed wood preservative. Remarkably, despite its arsenic content, it has maintained a safe track record for over five decades.
Embraced worldwide across a wide spectrum of uses, CCA has been pivotal in addressing the ever-increasing demand for construction materials. The process of CCA treatment proves both efficacious and cost-effective. It can substantially prolong the lifespan of radiata pine when used in-ground, extending it from a mere few years to an impressive four decades. The treatment of timber with CCA is meticulously regulated and endorsed by the Australian Pesticides and Veterinary Medicines Authority (APVMA).
In cases where there is frequent and close contact with humans, such as in playground equipment, picnic tables, garden seating, balustrading, and decking, the APVMA has placed restrictions on the use of CCA-treated timber. Nevertheless, it's important to note that CCA-treated timber has not been prohibited for use in the vast majority of industrial, commercial, agricultural, and marine applications. New Paragraph
