Australia Siloxane Evaluations
Australia’s Department of the Environment and Energy carried out a risk assessment for a range of silicone materials, which concluded in 2018. Australia’s assessment focused on a series of siloxanes, including D3, D4, D5, D6, D7, and cyclomethicone. Australia’s assessment for D4, D5, and D6 is consistent with Canada’s assessment and risk management decisions for these three materials.
The assessment from Australia’s Department of the Environment and Energy concludes, “[t]he direct risks to aquatic life from exposure to these chemicals at expected surface water concentrations are not likely to be significant.” Based on this conclusion, Australia has not proposed regulatory restrictions on the use of any of the materials. Health assessments have also been completed with no significant identified human health risks.