2023 Washington Code 1.60.050 – Hazardous professions excluded

2022 Washington Code 1.60.050 – Hazardous professions excluded

2020 Washington Code 1.60.050 – Hazardous professions excluded

2019 Washington Code 1.60.050 – Hazardous professions excluded

2018 Washington Code 1.60.050 – Hazardous professions excluded

2016 Washington Code 1.60.050 – Hazardous professions excluded

2015 Washington Code 1.60.050 – Hazardous professions excluded

2014 Washington Code 1.60.050 – Hazardous professions excluded

2013 Washington Code 1.60.050 – Hazardous professions excluded

2009 Washington Code 1.60.050 – Hazardous professions excluded