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. Safety Siren Pro 3 Radon Detectors, EPA Evaluated
from: SafetySiren
I bought this gizmo a few weeks ago to monitor the basement in our new house and see if it is usable as an entertainment/gym area. In the summer when we did the radon test the result came in at 2.4 . When I first turned on this device the result came in at 8.4 !!
That made me freak out a bit, but after re-reading the instruction I realized that placing the detector 2 feet away from the sump hole may not be the right thing to do. So, I moved it closer to the middle of the basement and reset it. After a couple of days the reading came in at 4.6 .
During heavy rains the device showed readings of as high as 5.9 and it went down to 4.2 during dry weather.
Before taking any drastic measures I decided to first ... Read More:
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