Radon-220 is formed in the decay chain of thorium-232. When buying a home make sure you test for radon. The most effective system is a vent pipe placed in the sump pit (if you have a sump pump) or a hole made under your concrete floor slab. How radon sneaks into homes. If radon levels are high in a home the EPA website has a state-by-state guide to finding contractors that deal with radon. It's in your best interest to know if your home is safe from radon, or if it's time to take corrective action. A radon professional is a technician equipped with a radon sniffer—a tool that detects the presence and concentration of radon in homes. Exposure to radon accounts for about 21,000 deaths from lung cancer each year according to the US Environmental Protection Agency (EPA). After smoking, radon is the most important preventable cause of lung cancer in the United States and in Maryland. Radon and Your Home. Inside we'll talk about how it gets into your home, the warning signs, and how to get rid of it. Undetectable to the human senses. Unfortunately two-thirds of all homes exceed this level. A known human carcinogen, radon is the second leading cause of lung cancer. Radon at a glance. National Radon Hotline: Purchase radon test kits by phone. Across the United States, several different states and Native American territories have elevated levels of radon that can be dangerous to your family. Radon, first discovered in 1910, is a colorless, odorless, radioactive gas formed from the radioactive decay of radium. Radon is a colorless, odorless gas. PHE Radiation Protection Services. Radon Act 51 passed by Congress set the natural outdoor level of radon gas (0.4 pCi/L) as the target radon level for indoor radon levels. Radon is an odorless, invisible, radioactive gas that can enter your home from the ground through cracks in the foundation. While that is nowhere near the 480,000 deaths a year caused by smoking, it’s still significant. There are several different types of devices that measure radon in air and water. Radon in the Home. Invisible, colourless, odourless and tasteless, radon is the leading cause of lung cancer for non-smokers. The average (mean) radon level in US homes is 1.25 pCi/L, or three times higher than the average level outdoors. Yet, radon gas is the 2nd biggest cause of lung cancer when someone is exposed to high levels for long periods of time. by James R. Brooks March, 1988 . The DPH Radon Program recommends that Connecticut residents throughout the state test the air in their homes for radon. For a new home, ask if radon-resistant construction features were used and if the home has been tested. It is radon-222 that most readily occurs in the environment. If radon levels in your home still appear to be high (4 pCi/L or above), then you should get a long-term test done. Contact Us for a Radon Consultation . Depending on the size and design of the home and the type of the foundation, mitigation systems can be installed for under $2000. Testing a home for radon is, thankfully, pretty easy. Radon is a naturally occurring gas that rises out many kinds of rock and soil, although granite tends to have higher concentrations. A radon mitigation system involves ventilating your home by using PVC piping to draw radon gas up from the soil and out of your house, according to the EPA. (Sometimes under $1000.) Elevated radon levels does not mean your home is unfixable. Relying on just one radon test done as part of a home inspection is a mistake, even if it reveals that the home has safe levels. It’s formed by the radioactive decay of small amounts of uranium that occur naturally in all rocks and soils. An “actionable level” of radon is the amount of radon at which you should seek a radon mitigation system, and the US Environmental Protection Agency recommends an action level of 4.0 pCi/L (EPA). Before any radon system is installed, a home must first be tested for radon content. Overview of all our services. Radon levels less than … Radon is the leading cause of lung cancer in non-smokers, linked to roughly 16 per cent of all lung cancer deaths in Canada. The Australian Radiation Protection and Nuclear Safety Agency (ARPANSA) has conducted a nationwide survey of radon in homes. The EPA also has a handbook for reducing radon… Highest Potential: counties have a predicted average indoor radon screening level greater than 4 pCi/L (pico curies per liter) (red zones) Moderate Potential: counties have a predicted average indoor radon screening level between 2 and 4 pCi/L (orange zones) Low Potential: . 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