Testing is the only way to know your home’s radon levels. Call the Radon Hotline at the Iowa Department of Public Health for inexpensive do-it-yourself radon test kits and for answers to radon questions by dialing: 1-800-383-5992. Radon test kits are also available at most hardware stores (like Lowe’s or Home Depot) or home stores (like Target or Walmart) and can cost as little as $20.
The Iowa Department of Public Health and the EPA recommends that you have a licensed
or certified radon mitigation contractor install your radon removal system because lowering high radon levels requires specific technical knowledge and special skills.
According to the Iowa Department of Public Health, The Iowa Radon Survey has indicated that Iowa has the largest percentage (or 71.6%) of homes above the US Environmental Protection Agency action
level of 4pCi/L. pCi/L means picocuries per liter of air, a standard measurement for radioactive gasIowa is also designated by the US EPA as an entirely zone 1 state.