Radon Testing and Mitigation PNW is a locally owned and operated company with over a decade of experience in the industry. We are fully insured, and all of our installers are certified through the National Radon Proficiency Program (NRPP). By using only top-quality materials in the construction of your radon system, we ensure the best possible results as well as a system that will sta... https://www.radonmitigationpdx.com/