On July 17, 2015, the AER issued an environmental protection order (“EPO”) to Nexen Energy ULC (“Nexen”), after a failure on Nexen’s pipeline licence number 54767 (the “Pipeline”) which occurred on July 15, 2015. The Pipeline leaked approximately 5,000 cubic metres of emulsion consisting of 75 percent water and 25 percent bitumen into the surrounding right of way.