§ Mr. Dalyellasked the Secretary of State for Trade and Industry what research he is doing on extracting metallic content from coal spoil-heaps; what are the costs involved; and to what extent he estimates such extraction could be an incentive to local authorities to combat pollution.
§ Mr. David PriceAppraisals of methods of extracting metallic content from coal spoil-heaps have yet to identify a process with prospects of economic viability. On the evidence available there is no significant risk of pollution from this source.