HC Deb 30 November 1989 vol 162 cc366-7W
Mr. Frank Field

To ask the Secretary of State for the Environment if any of the chemicals used to disperse the oil slick in the Mersey this summer had a mercury base.

Mr. Heathcoat-Amory

None of the dispersants deployed by the Department of Transport's marine pollution control unit or obtained from their stockpile contained mercury.