The EPA rates radon as the number two cause of lung cancer. This is the PSA video they published regarding radon. It’s a little long at 13 minutes but it has some serious information presented in a lighthearted way. Radon has been around longer that real estate but only recently has radon become one of the requisite tests a buyer should perform when buying residential real estate (it is and has been on the Oregon Property Buyer Advisory (pdf or web). I think that’s largely because of the improvements in the testing equipment. Watch the video and tomorrow we’ll look at some radon levels measured around Portland.