Very High Radon Levels Can be Mitigated!
Updated: Sep 22, 2019
The average indoor radon level is 1.3 picocuries/liter. This firm says they were able to get 3500 picocuries/liter down to 3! Click on image for link.
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See AllClick here for THIS OLD HOUSE video. Need to look for points of access like bare soil and add a ventilation system. Virginia State Law requires radon contractors who install radon reduction systems t
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