Radon Levels In Basement First Floor

That is fairly typical the first floor radon level above a basement is typically about half as high as the basement radon level rough average.

Radon levels in basement first floor.

How does it get in. Mitigation systems testing for radon on upper levels naturally occurring radon in alaska ppt indoor radon concentrations and moisture with radon mitigation system. One popular mitigation method uses a low volume ventilation fan which pumps air from beneath the basement floor or slab via plastic pipe to a vent located at the roof line. Can radon levels in our home change without intervention.

Radon enters buildings through cracks in the foundations and or basement walls unsealed joints and utility chases. Winter tends to be worse than summer when heat rising in the house. The rule of thumb. The highest concentration of radon tends to be found in.

Here s a question i get a lot do we need a radon system installed in our basement. The 2nd floor was 6 7 and the 3rd was 9 2. On may 27 2020 by amik. And to this i say let s test and find out there is an ongoing controversy surrounding the topic of radon levels in basements and the need to mitigate the levels of radon gas present in your basement.

Located where the soil contains a lot of uranium thorium and radium about one in every 15 homes is thought to have high levels of radon. However even houses with a seemingly tight concrete foundation can have high radon levels. Radon can also enter a home through holes made in the foundation walls for pipes and other utility lines. The first floor was 7 3 pci l.

Radon levels in basement or first floor. Radon levels are reduced by approximately 50 per floor going up through the house except when there is a return duct in the basement. Radon levels are always changing. There is a natural level of radon in the ambient air estimated at about 0 4 pc l but what we are more concerned about is concentrated levels of radon indoors.

Reply rene on june 13 2019 at 9 30 pm. Each measurement was in the same horizontal place near the center of the building. Curiously enough the same methods that lower moisture levels in basements and crawlspaces can also lower radon levels. Seasonality plays a role.

The radon levels on all three floors were measured simultaneously.