§ Mr. RedmondTo ask the Secretary of State for the Environment, pursuant to his answer to the hon. Member for Don Valley and for Wakefield (Mr. Hinchliffe) on 12 December 1988,Official Report, columns 402–3, in which locations the 1987 sediment monitoring results by Yorkshire water authority show an increase of mercury concentration and the 1986 sediment monitoring results by Yorkshire water authority show an increase of cadmium over the previous year.
§ Mr. MoynihanThe two locations are the river Humber at Stone creek in respect of mercury, and the river Rother at Canklow in respect of cadmium.