There’s an invisible killer in Idaho, and it comes from beneath our floorboards. Radon, a colorless and odorless gas that comes from the breakdown of radioactive materials in soil, seeps upward ...

The Iowa House has sent the Senate a bill to require that home builders install passive radon mitigation systems in new homes. It also would establish a state tax ...

Radon levels above 4 picocuries per liter would require mitigation. The Senate Education Committee advanced SB 2438 by a vote of 10 to 4. Ellman promised to continue working on the legislation.