Disposal:
The Achilles’ Heel of CCA-Treated Wood

There are some important benefits of treating wood, the most significant of which is increasing the life of wood that is used in locations where degradation might occur. Older preservatives, such as pentachlorophenal and creosote, pose considerable health risks to users of the wood, but new waterborne preservatives are safer. They are safer in part because the toxins are fixed in the wood, which leads to a different problem: disposing of treated wood at the end of its useful life has
become a solid-waste headache that just won’t go away.

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