HC Deb 15 December 1971 vol 828 c94W
40. Mr. David James

asked the Secretary of State for the Environment what investigation is being made into re-using materials from refuse and spoil tips.

Mr. Peter Walker

The Laboratory at Warren Spring of the Department of Trade and Industry is investigating the possibilities of recovering material from refuse and other wastes; further projects are being undertaken at universities; the use of waste from spoil heaps for purposes of road fill has been the subject of a recent investigation by a working party of my Department; and the industries involved in mineral extraction are themselves looking into ways of re-using their wastes.

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