ACCORDING TO LAW ENFORCEMENT AUTHORITIES IN FLOYD COUNTY A LIVE GRENADE WAS FOUND IN A TRASH CAN AT THE GOLDEN GALLON ON THE ALBAMA HIGHWAY JUST PAST COOSA HIGH SCHOOL YESTERDAY EVENING.  TOM EWING, COMMANDER OF THE JOINT BOMB SQUAD SAID THE DEVICE WAS A HAND GRENADE WITH DETONATOR WIRES ATTACHED TO IT AND HAD A 15 METER KILL RING.  EWING STATED THAT THE GRENADE WAS CLOSE TO GAS PUMPS AND COULD HAVE BEEN A POTENTIALLY VOLATILE SITUATION.  THE ALABAMA HIGHWAY WAS SHUT DOWN FOR CLOSE TO 45 MINUTES WHILE AUTHORITIES EXAMINED AND REMOVED THE DEVICE.  THE DEVICE WAS DISABLED AT THE FLOYD COUNTY PUBLIC WORKS COMPLEX ON BLACKS BLUFF ROAD.