- More than 2 years ago
Mulch made from recycled construction and demolition wood can release arsenic into the environment, a study finds.
Outdoor structures such as decks typically contain wood treated with chromated copper arsenate (CCA) to make it resistant to termites and other pests. Since the end of 2003, the Environmental Protection Agency has banned this wood in residential structures over concerns that CCA exposure could cause cancer (SN: 1/31/04, p.