2023 Washington Code 70A.440.020 – Coal tar pavement product — Sale or application prohibited — Notice of corrective action — Authority to adopt ordinance to enforce section

2022 Washington Code 70A.440.020 – Coal tar pavement product–Sale or application prohibited–Notice of corrective action–Authority to adopt ordinance to enforce section

2020 Washington Code 70A.440.020 – Coal tar pavement product — Sale or application prohibited — Notice of corrective action — Authority to adopt ordinance to enforce section