
Radon Testing & Mitigation guides • Quincy, MA
Guides for Quincy homeowners: what your radon reading means, when to test, how mitigation works, and keeping the system honest.
Radon is measured in pCi/L. What the bands mean: under 2, 2 to 4, and at or above the EPA action level of 4 pCi/L.
Radon levels run highest in the heating season. Why fall is the right time to test, and how closed-house conditions work.
What radon mitigation actually involves: diagnostics, sub-slab suction, sealing, and verification testing. No mystery, no scare tactics.
Radon concentrates at the lowest level, which is exactly where the finished basement is. Why finished basements need testing most.
A mitigation system is not install-and-forget. When to retest, what the manometer tells you, and the maintenance that keeps levels down.
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