Mary Lou Guerinot, a professor of biological sciences at Dartmouth College, told McClatchy News that unlike mercury, arsenic ...

Prior to 2004, the primary chemical in pressure-treated lumber was chromated copper arsenate (CCA), which contains arsenic ... likely does, but you can purchase test kits at retailers like ...

with arsenic exceeding state and federal standards, and manganese surpassing the EPA's lifetime health advisory level. The results prompted village officials to take a closer look. In December ...