Radon Mitigation Portland-Services

If the radon level of a home is 4 picocuries per liter or greater, the EPA recommends installing a radon mitigation system (sometimes called radon remediation). Radon Mitigation Portland-Radon Mitigation Portland has some nice tips on this. One common method used to lower radon levels is “sub-slab depressurization.” A suction point or points are established […]

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