Paul CumminsAug 9, 20161 min readVery 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. #radonRadon0 views
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. #radon
