 However remnants of deadly mustard agent and its breakdown products still remain in part of Coppice Wood near Riseley in an area which is currently fenced off and surrounded by warning signs about toxic chemicals.This mustard gas was mean to have been removed in 1988 and then again in 1998 but some of it still remains in the wood.Bombs were also stored on the then closed Sharnbrook Road just past the junction with the Butts.