1. National Energy Technology Laboratory, U.S. Department of Energy, 626 Cochrans Mill Road, Pittsburgh, Pennsylvania 15236, United States
2. National Energy Technology Laboratory, U.S. Department of Energy, 1450 Queen Avenue SW, Albany, Oregon 97321, United States
3. Pipeline and Hazardous Materials Safety Administration, U.S. Department of Transportation, 3700 S MacArthur Boulevard Suite B, Oklahoma City, Oklahoma 73179, United States