Radioactivity Mr. Harry Barnes To ask the Secretary of State for the Environment what information on radioactivity released has been withheld in 1989 under section 8(5)(b) of the Radioactive Substances Act 1960. Mr. Trippier It is not Government policy to reveal the existence of any authorisation to dispose of radioactive waste restricted under the terms of section 8(5)(b) of the Radioactive Substances Act 1960.