2023 Iowa Code 455A.6 – Environmental protection commission — appointment and duties

2022 Iowa Code 455A.6 – Environmental protection commission — appointment and duties.

2020 Iowa Code 455A.6 – Environmental protection commission — appointment and duties.

2018 Iowa Code 455A.6 – Environmental protection commission — appointment and duties.

2016 Iowa Code 455A.6 – Environmental protection commission

2014 Iowa Code 455A.6 – Environmental protection commission – appointment and duties.

2009 Iowa Code 455A.6 – Environmental protection commission — appointment and duties