Fluoridation Mr. Best asked the Secretary of State for Wales if he will estimate (a) the initial capital cost of equipment and (b) the continuing cost of labour and materials in Wales as a result of the addition of fluoride to water supplies. Mr. Wyn Roberts The initial capital cost of equipment for the addition of fluoride to water supplies in the Welsh water authority area was £32,800 and the continuing cost of labour and materials is approximately £25,000 per annum, based on the 12 months ending 31 March 1985.