Is chromated copper arsenate (CCA) pressure treated wood safe?
Yes. Seventy years of safe use and the body of sound scientific and medical evidence demonstrate that chromated copper arsenate (CCA) pressure treated wood is safe when used as recommended. The US EPA currently is re-evaluating CCA as part of a mandated reregistration process applicable to all pesticide products. EPA has not identified any unreasonable risks associated with the treatment or use of CCA-treated wood. With respect to existing structures in residential settings, EPA recently completed an assessment of potential risks to children who may play on CCA-treated playsets and decks. EPA concluded that there are no unacceptable risks to the public for existing CCA-treated wood being used around homes . EPA does not believe there is any reason to remove or replace CCA-treated structures, including decks or playground equipment. EPA is not recommending that existing structures or surrounding soils be removed or replaced. Further, EPA has not recommended that there is any need to tak
