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EnergySolutions, Inc. expects to see its stock delisted from the New York Stock Exchange on or about May 24, now that the Salt Lake City company's merger with Energy Capital Partners II LLC has been approved by the U.S. Nuclear Regulatory Commission.

Listed since 2007 as ES, the nuclear waste company already has received shareholder approval for the move to private hands, as well as the blessing of authorities in Utah and the other states where it has operations.

The company owns and operates a mile-square disposal site for low-level radioactive waste, the nation's busiest commercial landfill, in Tooele County, about 80 miles west of Salt Lake City.