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M AT E R I A L M AT T E R S Continued from page 17 Columbia's pipelines in the vicinity of the incident origin; and installing and adjusting pressure regulation and overpressure protection equipment. In addition to outlining the company's response to the Line SM-80 incident, Staton also provided a review of Columbia Gas Transmission's comprehensive fve-year, $2 billion modernization program, which is an effort to improve the safety and reliability of its ~12,000-mile (3,658-km) natural gas pipeline system, and commented that a number of the company's modernization projects will occur in West Virginia, where it operates ~2,500 miles (762 km) of natural gas pipeline. One of the largest projects is the $38 million WB Pipeline System Effciency Project, which will upgrade a number of older pipelines to accommo- date ILI equipment. The WB pipeline system runs across central West Virginia and delivers natural gas to the state and other eastern markets. Sources: The National Transportation Safety Board, www.ntsb.gov; the U.S. Department of Transportation's Pipeline and Hazardous Materials Safety Administration, www.phmsa. dot.gov; and Columbia Pipeline Group, www. ngts.com. Corrosion management addressed for proposed Keystone XL pipeline The map shows the proposed Keystone XL pipeline from Alberta to Nebraska. Image copyright © TransCanada Corp. The U.S. Department of State released a Draft Supplemental Environmental Impact Statement (SEIS) on March 1, 2013, moving forward TransCanada Keystone Pipeline's (Calgary, Alberta, Canada) May 2012 application 18 MATERIALS PERFORMANCE May 2013 to obtain a Presidential Permit that would, if granted, authorize its proposed Keystone XL pipeline to cross the border between the United States and Canada. The Draft SEIS notes that the analyses of potential impacts associated with con- struction and normal operation of the proposed project suggest there would be no signifcant impacts to most resources along the proposed project route assuming, among other things, that a set of 57 project-specifc special conditions is followed. These conditions, which include activities for early management of external and internal corrosion threats, would provide a higher degree of safety over any other domestic oil pipeline system typically constructed according to current federal pipeline safety regulations. The Keystone XL pipeline is a proposed 1,179-mile (1,897-km), 36-in (914mm) diameter crude oil pipeline that would originate in Hardisty, Alberta, Canada and extend south, where it would connect to existing pipeline facilities near Steele City, Nebraska in the United States for onward delivery of crude oil to Cushing, Oklahoma and the Texas Gulf Coast region. This proposed pipeline, which would transport up to 830,000 bpd (131.97 million L/d) of crude oil from the Western Canadian Sedimentary Basin in Alberta and the Williston Basin region (Bakken formation) in Montana and North Dakota, would pass through several states and provinces on its route south, including Alberta and Saskatchewan in Canada, and Montana, South Dakota, and Nebraska in the United States. Along with transporting crude oil from Canada, the Keystone XL pipeline would transport oil from producers in Texas, Oklahoma, Montana, and North Dakota, and allow Canadian and American oil producers NACE International, Vol. 52, No. 5