家有地下室的，一定注意Radon

最近，一个朋友得Lung CANCER 走了。后来，发现是RADON 导致

If you have a basement not well ventilated, chances are Radon level could be harmfully high. Radon is a radioactive, odorless gas and a silent killer. Studies have shown a clear link between breathing high concentrations of radon and incidence of lung cancer. Thus, radon is considered a significant contaminant that affects indoor air quality worldwide. According to the United States Environmental Protection Agency, radon is the second most frequent cause of lung cancer, after cigarette smoking, causing 21,000 lung cancer deaths per year. That's why every homeowner with basement need constantly monitor the Radon level. If >20pCi , mitigation is recommended. Here is one popular Radon detector available at Amazon for around $250.
http://www.amazon.com/Corentium-9800401-Digital-Electronic-Monitor/dp/B00H2VOSP8?tag=product_cat-20



The Corentium QRI is the newest and most advanced electronic radon gas detector. The Corentium gives you the possibility to read the average radon level for 1 day, 7 days, and for one year, all at once. Being battery powered, the monitor can easily be moved to get the full overview of radon concentration in home, workplace, school or anywhere else. Compared to traditional technology, Corentium makes it much easier to identify room with higher radon concentration. With an accuracy of ±5%, the Corentium is the most accurate electronic radon monitor for domestic use.

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• I think If >4 pCi/L, mitigation is recommended. -26484915- ♂ (54 bytes) () 12/13/2014 postreply 11:03:43