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Mr. Matthew Taylor
To ask the Secretary of State for the Environment what percentage of properties surveyed by the National Radiological Protection Board in each Cornwall district is over the newly declared safety level; and whether the owners of those properties have been informed of the new safety advice.
Mr. Heathcoat-Amory
The percentage of private and council houses surveyed by the National Radiological Protection Board (NRPB) in each Cornwall district with radon concentrations above the new action level are as follows:
| Percentage | |
| Caradon | 27 |
| Carrick | 23 |
| Kerrier | 45 |
| North Cornwall | 34 |
| Penwith | 42 |
| Restormel | 27 |
3 to inform them of the change in the action level.