Pressure treated lumber is consideredhazardous wasteby the U.S. Environmental Protection Agency. Burning this wood releases the chemical bond that holds the arsenic in the wood and just one tablespoon of ash from the burnt wood contains a lethal dose of this poison. Can you burn untreated lumbe...
While you can burn some types of construction scrap in your fireplace, avoid chemically treated wood. One variety is pressure-treated lumber, distinguishable by its green or reddish-brown coloring and the perforations on its surface. The chemicals used to pressure-treat wood are toxic, and burnin...