Versions of Iowa Code > Chapter 136B - Radon Testing on LawServer 2023 Iowa Code > Chapter 136B – Radon Testing 2022 Iowa Code > Chapter 136B – Radon Testing 2020 Iowa Code > Chapter 136B – Radon Testing 2018 Iowa Code > Chapter 136B – Radon Testing 2016 Iowa Code > Chapter 136B – Radon Testing 2014 Iowa Code > Chapter 136B – Radon testing 2009 Iowa Code Chapter 136B – Radon testing