HC Deb 30 November 1992 vol 215 c10W
Mr. Mackinlay

To ask the Secretary of State for Transport what measures have been taken to ensure that only chemicals that cause the least depletion to the earth's ozone layer are used in the cooling system of the channel tunnel; and if he will intervene to halt the use of hydrochlorofluorocarbons for this purpose.

Mr. Freeman

I refer the hon. Gentleman to the reply I gave to the hon. Member for Southwark and Bermondsey (Mr. Hughes) on 24 November at column562.