Hundred? If the wood is touching soil, try a few decades at best. I just replaced an old rotted out deck that was all pressure treated lumber. Also EPA consider

Hundred? If the wood is touching soil, try a few decades at best. I just replaced an old rotted out deck that was all pressure treated lumber. Also EPA considers it a hazardous waste. https://www.epa.gov/ingredients-used-pesticide-products/chromated-arsenicals-cca https://www.epa.gov/ingredients-used-pesticide-products/chro...