Versions of Oregon Statutes 459A.600 - Compost defined on LawServer 2023 Oregon Statutes 459A.600 – Compost defined 2021 Oregon Statutes 459A.600 – Compost defined 2019 Oregon Statutes 459A.600 – Compost defined 2017 Oregon Statutes 459A.600 – Compost defined 2015 Oregon Statutes 459A.600 – Compost defined 2013 Oregon Statutes 459A.600 – Compost defined 2009 Oregon Statutes 459A.600 – “Compost” defined