It’s been nearly 12 years since new measures were put in place to help resolve a controversy over the use of CCA (chromated copper arsenate) in the treatment of wood products to ward off rot, decay and termites. Although the science of CCA never uncovered any smoking gun to warrant the furor, restricted use is in place and the treatment industry has moved on.
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via CCA and beyond: Maximizing the performance of preservative-treated wood | ConstructionMagNet.com.