2023 Washington Code 78.52.345 – Ratable purchase of oil from owners or operators of pool required

2022 Washington Code 78.52.345 – Ratable purchase of oil from owners or operators of pool required

2020 Washington Code 78.52.345 – Ratable purchase of oil from owners or operators of pool required

2019 Washington Code 78.52.345

2018 Washington Code 78.52.345 – Ratable purchase of oil from owners or operators of pool required

2016 Washington Code 78.52.345 – Ratable purchase of oil from owners or operators of pool required

2015 Washington Code 78.52.345 – Ratable purchase of oil from owners or operators of pool required

2014 Washington Code 78.52.345 – Ratable purchase of oil from owners or operators of pool required

2013 Washington Code 78.52.345 – Ratable purchase of oil from owners or operators of pool required

2009 Washington Code 78.52.345 – Ratable purchase of oil from owners or operators of pool required