The Partnership is principally engaged in the transport, terminalling and storage of refined products and crude oil and the purchase and sale of crude oil in 12 states located in the Northeast, Midwest and Southwest United States. Sunoco accounted for approximately 31 percent of the Partnership’s total revenues for the year ended December 31, 2006. The business comprises three segments:

 
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The Eastern Pipeline System primarily serves the Northeast and Midwest United States operations of Sunoco and includes: approximately 1,650 miles of refined product pipelines, including a two-thirds...