The text on this page has been created from Hansard archive content, it may contain typographical errors.
Mr. Body
asked the Secretary of State for the Environment if he will name the various additives that in his opinion would constitute satisfactory forms of fluoridation; and who are the principal manufacturers or suppliers of those additives.
Mr. Denis Howell
Fluoridation systems which have been approved are systems for adding hydrofluorosilicic acid, sodium silicofluoride, or sodium fluoride. The procurement of these substances is a matter for the individual statutory water undertakers and I have no knowledge of the arrangements they make for this purpose.