2023 Washington Code 9.40.040 – Operating engine or boiler without spark arrester

2022 Washington Code 9.40.040 – Operating engine or boiler without spark arrester

2020 Washington Code 9.40.040 – Operating engine or boiler without spark arrester

2019 Washington Code 9.40.040 – Operating engine or boiler without spark arrester

2018 Washington Code 9.40.040 – Operating engine or boiler without spark arrester

2016 Washington Code 9.40.040 – Operating engine or boiler without spark arrester

2015 Washington Code 9.40.040 – Operating engine or boiler without spark arrester

2014 Washington Code 9.40.040 – Operating engine or boiler without spark arrester

2013 Washington Code 9.40.040 – Operating engine or boiler without spark arrester

2009 Washington Code 9.40.040 – Operating engine or boiler without spark arrester