radon test results 4

https://myradonreductionsystemstore.rivertonbrief.com/posts/why-a-radon-reduction-system-matters-for-west-st.-louis-county-homes

The radon test results came back from the lab yesterday, showing levels at 3.8 picocuries per liter in the basement. That's above the EPA action level of 4.0, so I'm already looking into mitigation companies to install a vent system before closing on the house.