Grand Forks Public Health Radon, a radioactive gas naturally occurring in the soil, is the cause of 21,000 lung cancer deaths in the U.S. annually.
Radon is the number one environmental cause of cancer, and 63% of North Dakota homes continue to have dangerous radon levels - above the U.S. Environmental Protection Agency’s (EPA) Action Level of 4.0 picocuries per liter (pCi/L). The E...