Chromated arsenic treatment was banned in pressure treated wood in 2003. Pressure treatment with less toxic chemicals is not banned. https://www.epa.gov/ingred

Chromated arsenic treatment was banned in pressure treated wood in 2003. Pressure treatment with less toxic chemicals is not banned. https://www.epa.gov/ingredients-used-pesticide-products/overview-wood-preservative-chemicals https://www.epa.gov/ingredients-used-pesticide-products/over...