List of substances, products and processes approved under Regulations 25 and 26 for use in connection with the supply of water for drinking, washing, cooking or food production purposes /
Great Britain.Committee on Chemicals and Materials of Construction for Use in Public Water Supply and Swimming Pools.
Great Britain.Drinking Water Inspectorate.
Great Britain.Department of the Environment.
Great Britain.Welsh Office.
Great Britain.Water Supply (Water Quality) (Amendment) Regulations 1991.
[London] : Drinking Water Inspectorate,
1992-
At head of title : The Water Supply (Water Quality) Regulations 1989 as amended by the Water Supply (Water Quality) (Amendment) Regulations 1991.
Includes index.
Regulations made by the Secretary of State for the Environment and the Secretary of State for Wales.
Drinking water
Drinking water
Water quality
Water quality