$ cat posts/a-homeowner-s-guide-to-radon-testing-and-mitigation-in-arnold-mo
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A Homeowner's Guide to Radon Testing and Mitigation in Arnold, MO
When I bought my first house in Arnold, Missouri, back in 2015, radon was barely on my radar. I was more concerned about the roof age and whether the furnace would make it through another winter. A friend who worked in real estate mentioned that Jefferson County homes often show elevated radon levels, but I shrugged it off. It wasn't until a neighbor's test came back at 6.7 picocuries per liter that I started paying attention. That's above the EPA action level of 4.0, and it
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