HC Deb 07 March 1967 vol 742 cc248-9W
Mr. David Watkins

asked the Minister of Technology what progress is being made in research into methods of determining toxic substances in factory atmospheres.

Dr. Bray

Booklets describing methods for eight toxic substances, based on research carried out by the Laboratory of the Government Chemist for the Ministry of Labour, were published by Her Majesty's Stationery Office in 1966. Booklets on chromic acid mist, phosgene, nitrous fumes, and mercury are in the Press, and methods for hydrogen fluoride, ozone, and organic di-isocyanates are now being investigated.