Q:

How do you fix a radon problem?

A:

Quick Answer

Radon gas comes from mineral deposits underground and may leak into a home's air or water. While it can be difficult to fully eliminate radon, ventilation and filtering systems can reduce radon gas concentrations to safe levels relatively inexpensively.

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Full Answer

  1. Assess the level of the problem

    Radon gas testing kits are available from your state's radon or environmental protection agency. Short-term testing kits detect levels over just a few days, while long-term detectors should be left in place for months to determine the average seasonal level of radon. A result of more than 2 picocuries per liter may require correction, and a result above 4 picocuries per liter should be addressed as soon as possible.

  2. Find the source

    In most cases, radon gas enters the home through cracks in the foundation. Deploying detectors in various rooms of the home can help identify the area with the highest concentration and the probable source of the contamination. If your home gets its water supply from a well, radon may also be entering the home through the water pipes.

  3. Ventilate and filter

    A typical radon mitigation system involves installing a fan and ducting to draw air from the foundation of the home and expel it safely through the roof. Active charcoal filtering can remove radon from the water supply, trapping particles and allowing pure water to flow through. In either case, choosing a radon-certified contractor to install your system is highly encouraged, since an improperly installed ventilation system could actually make a radon problem worse by spreading the toxic gas through your home.

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