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st louis home radon test 4

https://radontestduringhomeblog.solsticebrief.com/posts/why-a-radon-test-during-home-inspection-matters-for-st.-louis-buyers

When I bought my 1920s St. Louis bungalow last year, the home inspector strongly recommended a radon test since many older homes in the region have elevated levels due to soil composition. I ordered a simple charcoal test kit from the local health department, placed it in the basement for the required 48 hours, and sent it to the lab. Sure enough, the results came back at 3.8 pCi/L—just below the EPA action level of 4.0, but high enough that I installed a mitigation system anyway for peace of m…

radon retest 4

https://storyvergey.com/s/0PhO2P4A6ZWBqOiiO0BqM

After the initial radon test, you might need a retest to confirm whether your mitigation efforts actually worked. Usually, the follow-up should happen in the same season as the first test, using the same device setup and duration. It's a simple way to make sure your home's air is truly safe to breathe.