The risks of corrosion and the abrasive nature of DilBit As tar sands oil companies send increasing volumes of DilBit are made worse by the relatively high heat and pressure at to the United States, the risks of pipeline spills are becoming which these pipelines are operated in order to move the thick more apparent. [...] The characteristics pressure of the natural gas liquid condensate used to dilute of DilBit create challenges for cleanup efforts in rivers and the DilBit increase the risk of the leaked material exploding.41 wetland environments. [...] Over half of the pipelines currently operating in Alberta area where residents could notify authorities of the spill and have been built in the last twenty years as the tar sands region significant private spill response equipment was nearby, other developed.63 In contrast, the majority of hazardous liquid DilBit pipelines cross significantly more remote areas.57 In pipelines in the United States [...] While differences in data collection and regulations -. Stephen Hamilton, professor of Aquatic Ecology between Alberta and the United States make it impossible to make a clear comparison of this data, the higher internal at Michigan State University and the President of corrosion rates in Alberta certainly raise the yet unanswered the Kalamazoo River Watershed Council question of whether the prope [...] The river is of vital use 963 In Kansas, the proposed Keystone XL pipeline for fishermen and recreationalists, and is a major irrigation source for would cross native prairies and may affect critically farmers and ranchers.78 17401 designated habitat for the federally endangered 8 Topeka Shiner minnow.72 Mississippi River 52 The Keystone pipeline crosses the Mississippi River in Missouri, near 9 6.