Pennsylvania radon certification

https://fast-wiki.win/index.php/Radon_in_Basement_Pennsylvania:_New_Data_Highlights_Persistent_Health_Risks_for_Homeowners

To sell a home in Pennsylvania, you often need a radon test, and that test must be done by someone with a Pennsylvania radon certification. These pros take a short class and pass an exam to learn how to place detectors correctly and interpret results. It’s a way to ensure the test is reliable, not just a box you put in the basement. If you’re buying a house, look for their certification number on the report.