§ Dr. Glynasked the Secretary of State for the Environment how many thousands of tons of fluoride were emitted into the atmosphere over Great Britain in the years January 1966–67 and January 1976–77; and how much fluoride was disposed of by industry into the river and waterway systems of Great Britain in industrial effluent in the same period.
§ Mr. Denis HowellMost indigenous materials contain some fluorides which128W of the former water undertakers indicated.
Water Authority and Former Water Undertakers
- North-West
- West Lancashire Water Board.
- Runcorn and District Water Board.
- Northumbrian
- Tees Valley and Cleveland Water Board.
- Severn-Trent
- Leicester Corporation.
- Anglian /Thames
- Buckinghamshire Water Board.
- Southern
- Southampton Corporation.
In addition, the Newcastle and Gateshead Water Company has powers of this kind.
I am not aware of any recent use of these powers except in the case of the Newcastle and Gateshead Water Company, which has decided not to use them as from its next water rate year, beginning on 1st April 1977.