radon measurement 2

https://thecontinuousradonmonitorwire.inkharbory.com/posts/why-a-continuous-radon-monitor-gives-you-the-full-picture-on-indoor-air-quality

We recently hired a professional to measure radon levels in our basement, since it's a known problem in our area. The tester placed a small device on the floor for a few days, and we got results showing a slightly elevated reading, so we're looking at installing a mitigation system.