Versions of Iowa Code 455D.16 - Mercury -- thermostats on LawServer 2023 Iowa Code 455D.16 – Mercury — thermostats 2022 Iowa Code 455D.16 – Mercury — thermostats. 2020 Iowa Code 455D.16 – Mercury — thermostats. 2018 Iowa Code 455D.16 – Mercury — thermostats. 2016 Iowa Code 455D.16 – Mercury 2014 Iowa Code 455D.16 – Mercury – thermostats. 2009 Iowa Code 455D.16 – Mercury — thermostats
