response plan. 2012: In June, almost 2,400 barrels of sour crude oil leaked into a creek that flows into the Red Deer River, located about 100 kilometers north of Calgary, near the community of Sundre. 2012: On June 19, an Enbridge pipeline had a gasket failure, spilling about 1,400 barrels of crude oil, at a pumping station near Elk Point, Alberta. 2012: On June 23, an ignition and fire occurred in a valve-enclosure structure at Spectra Energy Transmission Compressor Station N4, located approximately 160 km northwest of Fort St. John, British Columbia. Two maintenance employees sustained burn injuries when sweet natural gas that had been leaking from a station valve ignited. The 2 employees were performing annual inspection work on motor-operated valves. The injured employees were air-lifted to the Fort St. John Hospital. One employee was released later that day, while the second employee was transferred to a burn unit in Vancouver. 2012: On June 28, a pipeline rupture and ignition occurred on Westcoast Energy Inc.'s 406.4 mm (16-inch) Nig Creek pipeline, located about 40 km northwest of Buick, British Columbia. Approximately 25 minutes later, a pipeline rupture and ignition occurred on Bonavista Energy Corporation's 168.3 mm (6.625-inch) pipeline installed nearby in the same right-of-way. At the time of the ruptures, both pipelines had been shut down and contained pressurized sour gas. The fire spread to adjacent forested areas. A large crater was created, and one piece of the Nig Creek pipe was ejected along with other debris to approximately 20 m from the rupture site. There were no injuries and no evacuation was required. 2013: In June, between 400,000 and 600,000 liters of produced water escaped from a pipeline, in addition to 24 barrels of oil, near Little Buffalo, Alberta. 2013: On October 17, a 36-inch natural gas pipeline ruptured southwest of Fort McMurray, Alberta. An estimated 16.5 million cubic meters of natural gas were released. The rupture did not result in a fire, there were no injuries and no evacuation was required. A fracture in a pipe elbow was the identified for the reason of the failure. 2014: On January 25, a TransCanada Corporation gas transmission pipeline 762 mm (30-inch) Line 400-1 exploded and burned, near Otterburne, Manitoba, causing a natural gas shortage in Manitoba and parts of the United States. Natural gas burned for approximately 12 hours. Five residences in the immediate vicinity were evacuated, and Provincial