(Olympia, WA)  --  A bill that would ban the sale of powdered alcohol in Washington is awaiting the governor's signature.  The Senate has given the final legislative nod to the bill, after initially voting to legalize powdered alcohol and give it the same restrictions as hard liquor.  A number of safety concerns were raised after the initial vote, from the product's potential appeal to children to suggestions the powdered mix could be misused in dangerous ways.