2024 Iowa Code 455B.505 – Construction or operation of infectious waste treatment or disposal facilities near historic sites

2023 Iowa Code 455B.505 – Construction or operation of infectious waste treatment or disposal facilities near historic sites

2022 Iowa Code 455B.505 – Construction or operation of infectious waste treatment or disposal facilities near historic sites

2020 Iowa Code 455B.505 – Infectious waste treatment and disposal facilities — national register of historic places.

2018 Iowa Code 455B.505 – Infectious waste treatment and disposal facilities — national register of historic places.

2016 Iowa Code 455B.505 – Infectious waste treatment and disposal facilities

2014 Iowa Code 455B.505 – Infectious waste treatment and disposal facilities – national register of historic places.

2009 Iowa Code 455B.505 – Infectious waste treatment and disposal facilities — national register of historic places