Washington has been stepping up systems to prevent and reduce the risk of oil spills, due in part to the looming expansion of Canada’s Trans Mountain Pipeline. It could result in as much as a sevenfold increase in the number of oil tankers traveling from Vancouver, B.C., through Puget Sound. In 2018, the state Legislature passed the Strengthening Oil Transportation Safety Act. Among its requirements, along with a barrel tax on crude oil and updates to contingency plans for oil spills, was the