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Two standard methods exist for testing a home for the presence of radon gas. Short-term testing methods are designed to provide a quick radon value. Short-term tests can be as short as 48 hours and as long as 90 days. Long-term testing methods are designed to provide an annual average of radon gas.
How is a radon gas test done?
Radon tests detect either radon gas directly or the daughter products of radon’s radioactive decay. In the laboratory, the radioactive particles emitted from the charcoal are counted directly by a sodium iodide counter or converted to light in a liquid scintillation medium and counted in a scintillation detector.
What are the symptoms of radon in your home?
A persistent cough could be a sign that you have radon poisoning. Persistent cough. Hoarseness. Wheezing. Shortness of breath. Coughing up blood. Chest pain. Frequent infections like bronchitis and pneumonia. Loss of appetite.
What causes radon gas in homes?
Radon can enter a home any place it finds an opening where the house is in contact with the ground: cracks in foundation walls and in floor slabs, construction joints, gaps around service pipes, support posts, window casements, floor drains, sumps or cavities inside walls.
Where is radon most commonly found?
Radon levels are usually higher in basements, cellars and living spaces in contact with the ground. However, considerable radon concentration can also be found above the ground floor. Radon concentrations vary considerably between adjacent buildings, as well as within a building from day to day and from hour to hour.
Are home radon test kits accurate?
“Short-term radon test kits are not effective in measuring radon gas exposure: Findings show radon tests of less than 90 days are imprecise up to 99 percent of the time.” ScienceDaily.
What does radon smell like?
Radon gas does not have a smell. It is odorless, colorless, tasteless, and invisible to the human eye. If you have high levels of radon in your home, you won’t notice any immediate adverse effects.
Where is radon found in homes?
It sometimes gets concentrated in homes built on soil with natural uranium deposits. It can enter buildings through cracks in floors or walls, construction joints, or gaps in foundations around pipes, wires or pumps. Radon levels are usually highest in the basement or crawl space.
Should I be worried about radon?
Radon Is a Cancer‑Causing, Radioactive Gas But it still may be a problem in your home. When you breathe air containing radon, you increase your risk of getting lung cancer. In fact, the Surgeon General of the United States has warned that radon is the second leading cause of lung cancer in the United States today.
How can radon be prevented?
More Ways to Take Action Stop smoking and discourage smoking in your home. Increase air flow in your house by opening windows and using fans and vents to circulate air. Seal cracks in floors and walls with plaster, caulk, or other materials designed for this purpose.
What are 5 facts about radon?
Here are a few facts about radon, and what you can do to help keep your family healthy and safe. Radon is radioactive. Radon is a naturally occurring radioactive gas. Radon causes cancer. No immediate symptoms. You must test for radon. Radon is present indoors and outdoors. Radon can build up in any building.
How does radon affect a person?
How Does Radon Affect Your Health? When you breathe in radon, it gets into the lining of your lungs and gives off radiation. Over a long time, that can damage the cells there and lead to lung cancer. Radon is the second biggest cause of lung cancer after cigarette smoking.
What type of soil is radon found in?
The U.S. Geological Survey explains that radon moves easily and quickly through porous soils, like sand and gravel, and slower through more solid soils, clay being one such example. Moisture has a lot to do with this.
What are the common sources of radon?
The main source of indoor radon is radon gas infiltration from soil into buildings. Rock and soil produce radon gas. Building materials, the water supply, and natural gas can all be sources of radon in the home.
Can air filters remove radon?
Yes, air purifiers help with radon gas reduction to some extent. The air purifiers with activated carbon filter technology are highly effective in trapping radon gas.
Are radon levels higher in the winter?
Radon levels can vary but tend to be highest during the winter when homes are being heated and the air is stagnant. Since most people don’t open their windows during the winter, there’s nowhere for radon to escape too which causes it to build up in the home. This makes winter the best time for radon testing.
Where is the best place to put a radon test?
Place a radon detector in the breathing zone, 2-6 feet above the floor, and away from drafts, exterior walls, sumps, drains, windows or doors. Radon may enter a building through cracks in the foundation or through sumps or drains and will usually be higher near these entry points.
How much does radon testing cost?
A certified radon mitigation contractor can test for radon (est. $100 – $200) depending on home construction and location. A DIY test kit, available from most home improvement stores, runs between $15 – $40, usually including lab analysis.
Will opening the basement windows before a radon test lower the results?
Unfortunately, no, opening the windows does not reduce radon. It is not a gas that will just permanently escape the home like smoke from something burning in the oven. The radon may seem to leave when the windows are open, but as soon as they are closed, it is back.
