diy radon mitigation crawl space
https://www.google.com/maps/d/edit?mid=1tafMNh87hNt4pHA_YhFHPZMYakCp3OOJ&ll=36.149675830165805%2C-86.76874635000001&z=17
Thing is, you can check for and also "solution" this extremely severe trouble fairly quickly. Since radon levels can vary daily as well as from season to season, screening can be done on the temporary (two to 90