2023 Washington Code 17.21.070 – Commercial pesticide applicator license — Requirements

2022 Washington Code 17.21.070 – Commercial pesticide applicator license–Requirements

2020 Washington Code 17.21.070 – Commercial pesticide applicator license — Requirements

2019 Washington Code 17.21.070 – Commercial pesticide applicator license — Requirements

2018 Washington Code 17.21.070 – Commercial pesticide applicator license — Requirements

2016 Washington Code 17.21.070 – Commercial pesticide applicator license–Requirements

2015 Washington Code 17.21.070 – Commercial pesticide applicator license–Requirements

2014 Washington Code 17.21.070 – Commercial pesticide applicator license — Requirements

2013 Washington Code 17.21.070 – Commercial pesticide applicator license — Requirements

2009 Washington Code 17.21.070 – Commercial pesticide applicator license — Requirements