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Brenda can't use her beautiful root cellar because it's too warm and also has radon - - a naturally occurring radioactive gas. We are adding a ventilation system to address both problems. We are also hoping this will reduce the radon level in the larder.
Link to Radon Detector we used - www.amazon.com/gp/product/B00...
Link to CDC for more information - www.cdc.gov/radon/index.html