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Why a Radon Retest After Mitigation Is Your Most Important Step
When I first moved into my house in York County, Pennsylvania, I knew radon was a regional issue. I had read the maps. I had seen the warnings. But I still felt a knot in my stomach when my initial short-term test kit came back showing radon levels well above the EPA action level of 4.0 pCi/L. I called a local radon contractor, had a sub-slab depressurization system installed, and felt a wave of relief. Then the contractor told me something I almost ignored: schedule a radon