§ Mr. Johnasked the Secretary of State for Wales how many determinations and analyses of samples from Maendy and Brofiskin quarries have been arranged by the Welsh Office from the Water Pollution Research Laboratory.
§ Mr. Peter ThomasApproximately 200. The Water Pollution Research Laboratory has also arranged to include these quarries in a long-term research programme.
§ Mr. Johnasked the Secretary of State for Wales in how many of the determinations and analyses on samples from Maendy and Brofiskin quarries, carried out by the Water Pollution Research Laboratory upon the instruction of the Welsh Office, the total operation has been carried out by the Water Pollution Research Laboratory.
§ Mr. Peter ThomasWork on the first set of samples was carried out solely by the Water Pollution Research Laboratory, but subsequent work has involved co-operation with the laboratory of the Government Chemist over some of the analyses.
§ Mr. Johnasked the Secretary of State for Wales whether the Welsh Office has been asked to consider or approve the nature and design of any treatment plant proposed to be installed at Maendy quarry; or whether the Government scientists have been asked to advise upon the adequacy of such plant.
§ Mr. Peter ThomasNo. This is primarily a matter for the company in consultation with the Glamorgan River Authority and the planning authority. The Welsh Office and Government agencies208W will be available to give advice if it is needed. I understand that discussions on the most suitable treatment plant are nearing completion.