North Carolina radon department is hosting a series of webinars on different radon topics. Each is 30 minutes long and free to anyone if you register. Tomorrow I will be doing a 30 minute session on radon from concrete in high rise buildings starting at 11:00 am EST. Goggle NC radon webinar to get a link to sign up for it and for information on the other webinars given in the past and planned for the future.