2023 Washington Code 90.56.020 – Director responsible for spill response

2022 Washington Code 90.56.020 – Director responsible for spill response

2020 Washington Code 90.56.020 – Director responsible for spill response

2019 Washington Code 90.56.020

2018 Washington Code 90.56.020 – Director responsible for spill response

2016 Washington Code 90.56.020 – Director responsible for spill response

2015 Washington Code 90.56.020 – Director responsible for spill response

2014 Washington Code 90.56.020 – Director responsible for spill response

2013 Washington Code 90.56.020 – Director responsible for spill response

2009 Washington Code 90.56.020 – Director responsible for spill response