Since pressure treated wood no longer has arsenic why not use that material for raised beds?
Here are two pieces of info you might not know about. First, some lumber stores sell treated wood under the “Natural Select” trade name. If you go to www.NaturalSelect.com you will wind up at www.archchemicals.com. Click “Product use & handling”. Then in the dropdown box select “Common sense safety precautions”. Some text will be displayed which states in part: “Do not use treated wood under circumstances where the preservative may become a component of food or animal feed. Examples are mulch from recycled treated wood, cutting boards, counter tops, animal bedding, and structures or containers for storing animal feed or human food.” Second, not all pressure treated wood is the same. Some lumber yards sell pressure treated wood that is only rated for “above ground” usage and is not rated for any kind of “ground contact” usage. The “above ground” rating means the board has absorbed less than 0.21 lb of preservation per cubic foot of wood. The “ground contact” rating means the board has a
