external In the Media February 19, 2022 Dan May, professor of environmental science, wrote an opinion piece on a natural pollutant, radon, explaining why mid-winter is the best time to test a home for potential seepage. https://www.theorangetimes.com/radioactive-rocks-under-our-homes-can-be-dangerous/ daniel-may news-all news-in-the-media year-2022 month-february name-daniel-may