§ Mr. Quentin DaviesTo ask the Secretary of State for the Environment what conclusions have so far been drawn by Her Majesty's inspectorate of pollution from the trials of Cemfuel at Ribblesdale, Lancashire.
§ Mr. AtkinsPreliminary results show reduced releases of sulphur dioxide and nitrogen oxides. Further work to establish release levels for other pollutants is continuing. Comparative assessments of environmental impacts can be attempted only when all the relevant information is to hand.