NRC and Industry Rewrite Nuclear Plant History

Daily Herald (Arlington Heights, IL), June 29, 2011 | Go to article overview

NRC and Industry Rewrite Nuclear Plant History


Byline: Jeff Donn Associated Press

ROCKVILLE, Md. When commercial nuclear power was getting its start in the 1960s and 1970s, industry and regulators stated unequivocally reactors were designed only to operate for 40 years. Now they tell another story insisting the units were built with no inherent life span, and can run for up to a century, an Associated Press investigation shows.

By rewriting history, plant owners are making it easier to extend the lives of dozens of reactors in a relicensing process that resembles nothing more than an elaborate rubber stamp.

As part of a yearlong investigation of aging issues at the nations nuclear power plants, the AP found the relicensing process lacks fully independent safety reviews. Records show paperwork of the U.S. Nuclear Regulatory Commission sometimes matches word-for-word the language used in a plant operators application.

Also, the relicensing process relies heavily on such paperwork, with very little onsite inspection and verification.

And under relicensing rules, tighter standards are not required to compensate for decades of wear and tear.

So far, 66 of 104 reactors have been granted license renewals. Most of the 20-year extensions have been granted with scant public attention. And the NRC has yet to reject a single application to extend an original license. The process has been so routine many in the industry plan for additional license extensions, which could push the plants to operate for 80 years, and then 100.

Regulators and industry now contend the 40-year limit was chosen for economic reasons and to satisfy antitrust concerns, not for safety issues. They contend a nuclear plant has no technical limit on its life.

But an AP review of historical records, along with interviews with engineers who helped develop nuclear power, shows just the opposite: Reactors were made to last only 40 years. Period.

The record also shows that a design limitation on operating life was an accepted truism.

In 1982, D. Clark Gibbs, chairman of the licensing and safety committee of an early industry group, wrote to the NRC that "most nuclear power plants, including those operating, under construction or planned for the future, are designed for a duty cycle which corresponds to a 40-year life."

And three years later, when Illinois Power Co. sought a license for its Clinton station, utility official D.W. Wilson told the NRC on behalf of his companys nuclear licensing department that "all safety margins were established with the understanding of the limitations that are imposed by a 40-year design life."

One person who should know the real story is engineering professor Richard T. Lahey Jr., at Rensselaer Polytechnic Institute in Troy, N.Y. Lahey once served in the nuclear Navy. Later, in the early 1970s, he helped design reactors for General Electric Co.; he oversaw safety research and development.

Lahey dismisses claims that reactors were made with no particular life span. …

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