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Radon 101 and Radon Testing Do’s and Don'ts - TEPM 2016 ...
archive.epa.govRadon 101 and Radon Testing Do’s and Don'ts TEPM April 7, 2016. What is Radon? Radon is a naturally occurring, , , and radioactive soil gas When uranium, radium & thorium break down through natural "decay" in the soil, rock & water - radon gas gets into the air that we breathe .