Handling Radon in Homes Oakland CA

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(NC)—You might be starting to hear about radon levels in homes. Being informed and aware is an important first step in understanding the potential risks associated with exposure to radon.

While radon is not uncommon in the air we breathe, the push to seal up houses to save heating and energy costs is putting this indoor air pollutant on the map as one of those things you need to know about.

So what is radon? It's a colourless, odourless and tasteless radioactive gas that is formed by the breakdown of uranium found in soil, rock and groundwater which escapes into the outdoor air. Because it is diluted to low concentrations, it's usually not a concern, but when it enters an enclosed space that is not properly ventilated, it can be.

In some cases homes can experience negative indoor pressure. This phenomenon by its nature will draw outdoor air – including radon - into the home. As with all indoor air pollutants from pet dander to CO2, it's important to use good ventilation practices to ensure these pollutants don't accumulate to unsafe levels.

A good tactic to avoid potential problems is to start with the basics of balancing indoor and outdoor pressure. For example, when using an open fireplace or any other device that draws outside air in, open a nearby window. When choosing a ventilation system for your home, make sure that it balances both supply and exhaust functions; a good choice is a heat recovery ventilator (HRV). And never underestimate the value of the tried and true exhaust fan in your bathroom and range hood in your kitchen.

To find out about radon and what you can do to keep your homes safe and sound, Health Canada and the CMHC have issued Radon: A Guide for Canadian Homeowners. A copy of this document can be found at www.cmhc-schl.gc.ca/odpub/pdf/61945.pdf or you can visit www.healthcanada.gc.ca/radon for more information. You can always talk to a qualified ventilation professional who can help you determine the steps you should take to keep your indoor environment safe. You can find one in your area online at www.hrai.ca.

- News Canada