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Edwin Lyman

Edwin Lyman

Director of Nuclear Power Safety, Union of Concerned Scientists

Appears in 1 story

Notable Quotes

They're taking a wrecking ball to the system of nuclear safety and security regulation oversight that has kept the U.S. from having another Three Mile Island accident. I am absolutely worried about the safety of these reactors.

This deeply troubling development confirms my worst fears about the dire state of nuclear power safety and security oversight under the Trump administration. The Energy Department has not only taken a sledgehammer to the basic principles that underlie effective nuclear regulation, but it has also done so in the shadows.

They're allowing companies to write their own ticket as far as security goes, and I'm especially concerned because several of the new reactor designs use higher levels of enriched uranium in their cores, which could make them targets of theft.

Stories

Trump administration overhauls nuclear safety regulations

Rule Changes

Vocal critic of regulatory changes

The Department of Energy has quietly rewritten its nuclear safety rules, removing over 750 pages of requirements—including the decades-old ALARA standard that kept radiation exposure 'as low as reasonably achievable.' The changes, shared only with regulated companies and not the public, aim to clear the path for experimental reactors to achieve criticality by July 4, 2026—a timeline nuclear experts call 'a pretty big understatement' in terms of its aggressiveness. In August 2025, Aalo Atomics broke ground on the nation's first experimental reactor under the new rules at Idaho National Laboratory, though DOE Secretary Chris Wright later acknowledged only one or two reactors might meet the July deadline.

Updated Jan 31