- Associated Press - Monday, November 16, 2015

LOS ANGELES (AP) - Federal regulators have hit the owner of California’s last operating nuclear power plant with a low-level violation for failing to properly document a review of equipment involving seismic issues.

The Nuclear Regulatory Commission said Monday that Pacific Gas and Electric Co. changed a method it used to evaluate the design of several Diablo Canyon plant components, without adequate justification to the agency.

The utility recognized the mistake in 2013 and made revisions.

Utility spokesman Blair Jones says PG&E; used a method approved by NRC, but it was not sufficiently documented. He says the violation did not challenge the seismic safety of the plant.

Critics have long argued that PG&E; has underestimated the threat from nearby earthquake faults that weren’t recognized when the plant near San Luis Obispo was initially designed.

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