2023 Oregon Statutes 468A.005 – Definitions for air pollution laws

2019 Oregon Statutes 468A.005 – Definitions for air pollution laws

2015 Oregon Statutes 468A.005 – Definitions for air pollution laws

2013 Oregon Statutes 468A.005 – Definitions for air pollution laws

2009 Oregon Statutes 468A.005 – Definitions for air pollution laws