![]() ![]() Spilled dilbit can behave differently in the environment depending on the type of dilbit and the conditions at the time of the spill. Condensate is a petroleum by-product composed primarily of very light, highly flammable, and acutely toxic components. ![]() For dilbit originating in Alberta, condensate is the most commonly used diluent. The expanded pipeline would carry primarily diluted bitumen (dilbit), a petroleum product that consists of solid or semi-solid bitumen diluted so it can flow through pipelines. However, many of these species and populations now face a crisis due to decades of habitat loss, fishing, and more recently, climate change. Overall, the Fraser River and its tributaries are home to 42 different species of fish, including seven species of Pacific salmon (genus Oncorhynchus) and two species of trout (genus Salmo). More recently they have been harvested in commercial and recreational fisheries. These species support First Nations culture and economies and have done so for thousands of years. Today, it still supports dozens of unique populations of Pacific salmon (Chinook, chum, coho, pink, and sockeye), as well as interior and coastal populations of steelhead and trout. The Fraser River remains one of the world’s most productive salmon rivers. The Lower Fraser River flows from Hope past Mission, through Metro Vancouver, and into the estuary where it meets the Pacific Ocean. This report characterizes the risks posed to wild salmon by a Trans Mountain pipeline spill into the Lower Fraser River or a tanker spill into the Salish Sea. ![]()
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