Railway Sleepers -Are they safe ? | Permaculturenews
Re: Railway Sleepers -Are they safe ? Hi, well odds are they have been sprayed and depending on how old they are is an indication of what they could have been treated in, if they look old - 70s and prior then i would think dieldrin, copper cyanide, copper arsenate and tar creosote, etc - if later then probably just the arsenate (the stuff that used to make treated pine green) and the creosote ...