radon mitigation contractor 5

https://atomic-wiki.win/index.php/Understanding_the_Radon_Measurement_Period_for_Accurate_Testing

Our radon mitigation contractor arrived on time and thoroughly tested our basement levels. He explained the mitigation process clearly, installing a sub-slab depressurization system with a sealed vent pipe. The work was clean and efficient, and our post-mitigation test showed safe levels. Good peace of mind.