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Homes-v4 EQp4: Radon-resistant construction
posted by Gustavo De las Heras Izquierdo on Mar 8, 2018, 12:39 pm


Many countries do not have mapped radon levels as accurately as EPA requires. Can countries marked in orange and green in the following study be considered as "out of EPA zone 1"?...

Last reply: Roshni Lad, Apr 19, 2021, 2:03 pm