Radon is a radioactive gas that comes from the breakdown of uranium in soil and rock. It is invisible, odourless and tasteless. When radon is released from the ground into the outdoor air, it is diluted and is not a concern. However, in enclosed spaces, like homes, it can accumulate to high levels and become a risk to the health of you and your family.
Uranium is a common element found everywhere in the earth's crust, as a result radon gas can be found in almost all homes in Canada. Concentrations differ greatly across the country, but are usually higher in areas where there is a higher amount of uranium in underlying rock and soil.
Radon concentration levels will vary from one house to another, even if they are similar designs and next door to each other. The only way to be sure of the radon level in your home is to test.
When radon gas is inhaled into the lungs it decays into radioactive particles that release small bursts of energy. This energy is absorbed by nearby lung tissue, damaging the lung cells. When cells are damaged, they have the potential to result in cancer when they reproduce.
Radon exposure is the #1 cause of lung cancer in non- smokers. Exposure to high levels of radon in indoor air results in an increased risk of developing lung cancer. The risk of cancer depends on the level of radon and how long a person is exposed to those levels.
Radon gas moves through the ground and escapes outside or into buildings.
Radon can enter a home any place it finds an opening where the house is in contact with the ground. This can be through 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.
Keltech can install a Radon test device in your home or building for a relatively low cost. It is recommended that a long term test for a minimum of 3 months be conducted to accurately measure the average radon level in the building. You should fix your home if your radon test result is above the guideline of 200 Bq/m3.
Keltech's certified mitigation professionals can design the most effective radon reduction system for your home or buildings. Keltech's mitigation professionals are certified under the Canadian National Radon Proficiency Program (C-NRPP). The most common mitigation system is called sub-soil depressurization. This system works by sucking air (and radon gas) from beneath the foundation of a home and exhausting it outside. Installation of this system generally consists of a pipe installed through the foundation floor and connected to an outside wall or up through to the roof line. A small fan is attached to the pipe which draws the radon from below the house to the outside before it can enter your home.
If you require more information regarding Radon or would like to book a radon measurement test in your home or building, please contact Keltech Environmental Ltd.
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