Arsenic Leaching Remains A Problem In Mulch Made From Recycled Wood

... New research challenges the idea that colorant added to a popular kind of mulch -- made from construction and demolition debris -- prevents release of arsenic from chemically treated wood sometimes used to make that mulch.Past studies have found that recovered wood at debris recycling facilities may contain up to 30 percent chromated copper arsenic-treated (CCA) wood. Helena M. [click link for full article] ...