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What is Radon and how does it enter your house?

W.D.C. Inspections Service home inspectors are certified Radon Measurement Technicians and a member of Pro Lab Partners with Pro Lab, Inc.  Once the LS (liquid scintillator) detectors or canisters are set, they are retrieved after 48 hrs.

Upon retrieval of the detectors or canisters, which will be submitted to the laboratory for measurements of Radon 222 levels, the Radon Analysis Report is generally provided to W.D.C. Inspection Service within 72 hours.  Upon receipt, this report is emailed, faxed or mailed to the client.

Radon is a naturally occurring radioactive gas produced by the breakdown of uranium in soil, rock, and water.  Air pressure inside your home is usually lower than pressure in the soil around your home’s foundation.  Because of this difference in pressure, your house acts like a vacuum, drawing radon in through foundation cracks and other openings. Radon may also be present in well water and can be released into the air in your home when water is used for showering and other household uses. 

In most cases, radon entering the home through water is a small risk compared with radon entering your home from the soil.  In a small number of homes, the building materials (e.g. granite and certain concrete products) can give off radon, although building materials rarely cause radon problems by themselves.  In the United States, radon gas in soils is the principal source of elevated radon levels in homes.

Any home can have a radon problem.  This means new and old homes, well-sealed and drafty homes, and homes with or without basements.  In fact, you and your family are most likely to get your greatest radiation exposure at home.  That is where you spend most of your time.

You cannot predict radon levels based on state, local, and neighborhood radon measurements.  Do not rely on radon test results taken in other homes in the neighborhood to estimate the radon level in your home.  Homes which are next to each other can have different radon levels.  Testing is the only way to find out what your home’s radon level is.


All information on radon was found at