Radon System Follow Up Test Lantern

Why a Radon System Follow-Up Test Matters for Your Home

The Difference Between Installation and Long-Term Protection When I first moved to York County, Pennsylvania, I knew radon was a concern. My home had tested high during the initial radon testing, so I hired a local radon mitigation company to install a sub-slab depressurization system. The crew did a great job, and the post-mitigation test showed radon levels well below the EPA action level of 4 pCi/L. I felt relieved and thought the work was done. But a few months later,