There's a very good chance you have radon. I would just start with a home testing kit that you can buy fairly cheap at Home Depot.

JP


On Jun 21, 2023, at 1:28 PM, Tandi Hufnagel via Neighbors_nobhill-nm <neighbors_nobhill-nm@mailman.swcp.com> wrote:


Hi Neighbors,
Wondering about radon in our neighborhood, especially because we have a basement.
Have any of you found high levels in your Nob Hill homes? 
Can you recommend any local companies who do testing and remediation?  What was the cost?
Thanks, Tandi
Hermosa NE
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