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Description: Radon is a natural radioactive gas which enters buildings from the ground. The joint UK Health Security Agency (UKHSA) - British Geological Survey (BGS) Digital Indicative Atlas of Radon in Great Britain presents an overview of the results of detailed mapping of radon potential, defined as the estimated percentage of homes in an area above the Radon Action Level. Exposure to high concentrations increases the risk of lung cancer. UKHSA (formerly Public Health England) recommends that radon levels should be reduced in homes where the annual average is at or above 200 becquerels per cubic metre (200 Bq m-3). This is termed the Action Level. The UK Health Security Agency defines radon affected areas as those with 1% chance or more of a house having a radon concentration at or above the action level of 200 Bq m-3. The Indicative Atlas of Radon in Great Britain presents a simplified version of the radon potential for Great Britain, in which each 1 km grid square is classed according to the highest radon potential found within it, so the dataset is indicative rather than definitive. The joint UKHSA-BGS Digital Radon Potential for Great Britain dataset provides the current definitive map of Radon Affected Areas in Great Britain. http://data.bgs.ac.uk/id/dataHolding/13607973

Copyright Text: The copyright of materials derived from the British Geological Survey's work is vested in the Natural Environment Research Council [NERC]. No part of this work may be reproduced or transmitted in any form or by any means, or stored in a retrieval system of any nature, without the prior permission of the copyright holder, via the BGS Intellectual Property Rights Manager. Use by customers of information provided by the BGS, is at the customer's own risk. In view of the disparate sources of information at BGS's disposal, including such material donated to BGS, that BGS accepts in good faith as being accurate, the Natural Environment Research Council (NERC) gives no warranty, expressed or implied, as to the quality or accuracy of the information supplied, or to the information's suitability for any use. NERC/BGS accepts no liability whatever in respect of loss, damage, injury or other occurence however caused.

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