Radon Map for use with Technical Guidance Document - C

Published by Environmental Protection Agency

This map shows those areas where Technical Guidance Document - C is to be used. The map is based on an analysis of indoor radon measurements plus geological information including, bedrock type, quaternary geology, soil permeability and aquifer type.

Tags

200 bq/m3 300 bq/m3 aquifer type background radiation bedrock geology building regulations construction industry employers environment health high radon area human health and safety indoor radon new builds part c quaternary geology radiation radiological protection radon radon map radon membrane reference level remediation soil permeability standby sump technical guidance document c workplaces

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Additional Information

License Creative Commons Attribution 4.0
Created 2023-07-14
Last Updated 2025-10-22
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