2023 Washington Code 90.64.020 – Concentrated dairy animal feeding operation — Designation — Permit

2022 Washington Code 90.64.020 – Concentrated dairy animal feeding operation–Designation–Permit

2020 Washington Code 90.64.020 – Concentrated dairy animal feeding operation — Designation — Permit

2019 Washington Code 90.64.020

2018 Washington Code 90.64.020 – Concentrated dairy animal feeding operation — Designation — Permit

2016 Washington Code 90.64.020 – Concentrated dairy animal feeding operation–Designation–Permit

2015 Washington Code 90.64.020 – Concentrated dairy animal feeding operation–Designation–Permit

2014 Washington Code 90.64.020 – Concentrated dairy animal feeding operation — Designation — Permit

2013 Washington Code 90.64.020 – Concentrated dairy animal feeding operation — Designation — Permit

2009 Washington Code 90.64.020 – Concentrated dairy animal feeding operation — Designation — Permit