HC Deb 26 March 1990 vol 170 c8W
Mr. Matthew Taylor

To ask the Secretary of State for the Environment what is the estimated percentage of properties in each Cornwall district with radon concentration above the new action level.

Mr. Heathcoat-Amory

The estimated proportion of houses exceeding the new action level in each Cornwall district is as follows:

per cent.
Caradon 20
Carrick 15
Kerrier 30
North Cornwall 25
Penwith 30
Restormel 20