On this site you will find sound, scientific information on chromated copper arsenate preservative and the suitability of CCA-treated lumber, plywood, poles, piling, and timbers for a range of common applications. The data support that CCA-treated wood is safe when used as recommended.

To read the CCA Consumer Safety Information Sheet, click here, visit the Inorganic Arsenical Pressure-Treated Wood Consumer Safety Information Web Site.