§ Mr. John GarrettTo ask the Secretary of State for the Environment which of the European Economic Community guide levels and maximum admissible concentration levels for pollutants are exceeded by the drinking water supply in Church house, Westminster.
§ Mr. Chope[holding answer 19 April 1989]: The maximum admissible concentrations for drinking water are exceeded for sodium and fluoride. Those exceeding the guide levels are chlorides, sulphates, zinc and iron.