2023 Washington Code 19.94.150 – Standards recognized

2022 Washington Code 19.94.150 – Standards recognized

2020 Washington Code 19.94.150 – Standards recognized

2019 Washington Code 19.94.150 – Standards recognized

2018 Washington Code 19.94.150 – Standards recognized

2016 Washington Code 19.94.150 – Standards recognized

2015 Washington Code 19.94.150 – Standards recognized

2014 Washington Code 19.94.150 – Standards recognized

2013 Washington Code 19.94.150 – Standards recognized

2009 Washington Code 19.94.150 – Standards recognized