radon system follow-up test 3

https://blast-wiki.win/index.php/Why_a_Professional_Radon_Reduction_Service_Matters_for_Your_Home

I had the radon system follow-up test done yesterday to make sure the mitigation is working properly. They placed a small device in the basement for a couple days to measure levels again. Feels good to confirm the air is safe now, especially since we use that space regularly.