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★★★★★
Carefully vetted
I've been studying this technology, and there appear to be too many choices in how to test for radon in homes. But Consumer Reports did a thorough job of evaluating the products on the market, in their September 2008 issue. (Their conclusions can be found online.) They highly rated two products. This one was their preferred choice, as a 90-day test, such as this one, is more accurate than a quick test. This particular product got their best rating. The other product is called RTCA 4-Pass Charcoal Cannister, which is a 2-7 day test. Oddly, Amazon does not carry that item. CR says it sells for about $20. (Please note that I've bought but have not actually used this product yet. I'm merely sharing the results of credible research. It took me awhile to sort through the verbiage on this issue. I've simply shared the findings.) ~eric.
