Technical Booklet C Site Preparation and Resistance to Contaminants and Moisture·Page 7·25(3)
Definitions – Radon affected area
Radon affected area means any area designated as such by the Health Protection Agency in the 2009 Review and Atlas of radon in dwellings in Northern Ireland.
"Radon affected area" means any area designated as such by the Health Protection Agency in the publication 'Radon in Dwellings in Northern Ireland: 2009 Review and Atlas';
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