While radon gets into some homes through the water, you should first test the air in your home for radon. It's difficult to sell homes where radon problems have been discovered. Where radon problems have been fixed, home sales have not been blocked or frustrated. I've lived in my home for so long, it doesn't make sense to take action now. Short-term tests can't be used for making a decision about whether to fix your home.
L still pose some risk.
The inclusion of links from this site does not imply endorsement by the Department for Public Health. The Department makes no endorsement, express or implied, of any links to or from this site, nor is it responsible for the content or activities of any linked sites.