HC Deb 06 February 1974 vol 868 c320W
48. Mrs. Doris Fisher

asked the Secretary of State for the Environment when he expects to be able to approve a suitable ventilation unit for use in sound insulation schemes to conform with the Noise Insulation Regulations of September 1973.

Mr. Speed

The approving authority is the Agrément Board which is currently testing three units. Results will be available shortly.