Former Apple Orchards Leave Behind A Legacy Of Tainted Dirt

For decades, apple growers in Central Washington sprayed their trees with a misty brew of lead and arsenic to keep pests away. The practice stopped in the mid-20th century. Since then, many of those orchards have been redeveloped -- some as housing subdivisions, schools, and daycare centers. Even though the orchards are long gone, those toxic chemicals remain in the soil.