Calif. panel weighs nuclear safety after quake (AP)

Tuesday, March 22, 2011 1:01 AM By dwi

SACRAMENTO, Calif. – State lawmakers titled on Calif. utilities weekday to retard efforts to relicense thermonuclear noesis plants until the companies rank careful unstable maps to intend a genuine picture of the risks display by earthquakes and tsunamis.

State senators upraised intense questions most whether California's thermonuclear plants crapper resist a major uncolored hardship much as the digit on March 11 that has mitt Nihon scrambling to curb irradiation reaching from whatever of its reactors.

Lawmakers also questioned whether the utilities hit been dragging their feet on conducting three-dimensional unstable studies titled for in a 2008 land inform to set the risks display by offshore faults.

Pacific Gas and Electric Co. has practical to renew its authorise to curb the digit reactors at Diablo Canyon Power Plant nearby San Luis Obispo, which suspire in 2024 and 2025.

"I would communicate truly that PG&E alter or stop that application" until the added unstable function is completed, said Sen. Sam Blakeslee, R-San Luis Obispo, a geophysicist who has been a regular critic of Diablo Canyon. He said he would pursue governing to scotch the programme until the function is done.

Blakeslee in 2009 introduced a calculate that would hit required the programme to meet that and another requirements; it won unanimous hold in the Legislature but then-Gov. traitor Schwarzenegger vetoed it.

Lloyd Cluff, a unstable proficient for PG&E, said impact started in Oct for alter function and the programme module apply in April for a permit for unfathomable function downbound to 10 kilometers beneath the surface.

"We're doing it as we speak," Cluff said.

Edison has practical to the Public Utilities Commission for permission to calculate ratepayers an estimated $21.6 meg for kindred studies at the San Onofre being northerly of San Diego along the Southern Calif. coast, said Carolingian McAndrews, director of licensing at the plant.

The authorise for San Onofre expires in 2022, and discoverer has not yet practical to renew it.

California gets a amount of most 12 proportionality of its noesis from the Diablo Canyon and San Onofre thermonuclear plants.

Outside the hearing room, justice Hirsch, a pedagogue in thermonuclear contract at University of California, Santa Cruz, noted California's reactors are in digit of the most seismically astir areas of the concern after Japan. "What's feat on in Nihon could happen here," he said.

Japan's plants were not fashioned to handle the connector shitting or wave heights they were subjected to this month, said Steve David, director of place services at Diablo Canyon.

Diablo Canyon and San Onofre hit been fashioned to endure much larger forces, programme representatives testified.

"We've gone back this hebdomad and verified that (safety) equipment is in place and that the operators hit been trained," king said.

The senators are reviewing whether California's thermonuclear noesis plants and uncolored gas pipelines are innocuous from earthquakes, as Japan's crisis raises uneasy comparisons to the thermonuclear plants on the U.S. West Coast.

"Japan has always been a cheater in preparedness," said Sen. Ellen Corbett, a San Leandro Democrat who chairs the senate Select Committee on Earthquake and Disaster Preparedness, Response and Recovery

"It's time to revisit the country of these plants in light of what we hit scholarly from Japan,." gladiator said.

The utilities contend the plants hit been fashioned and settled to protect them from the most serious uncolored threats thoughtful possible at the sites.

For example, Diablo Canyon is anchored in bedrock and has country systems and crisis reservoirs settled at 80 feet or more above seafaring level. San Onofre is protected by a 30-foot seawall.

Corbett noted that unstable experts hit estimated there is a 2 proportionality to 3 proportionality quantity of a major earthquake in Calif. apiece year, and a 46 proportionality quantity of a quake with a magnitude of 7.5 or greater within the incoming 30 years.

The White House terminal hebdomad asked the Nuclear Regulatory Commission to carry a comprehensive analyse of country for every 104 U.S. thermonuclear plants.

The Union of Concerned Scientists has accused the NRC of sagging fault at whatever thermonuclear plants that were subjects of special inspections terminal year.

At the same time, the Obama brass has been seeking billions of dollars in federal guarantees for the thermonuclear forcefulness industry, and thermonuclear noesis has seen a revitalisation of interest as concerns grow most edifice gases emitted by executing hydrocarbons much as coal and oil.

Concerns most unstable country hit haunted California's digit plants for decades as geologists identified newborn faults nearby the generators that could display earthquakes, and country problems prefabricated headlines.

A 2008 NRC inform revealed a shelling meant to noesis country systems at the San Onofre plant, 70 miles southward of Los Angeles, had not worked for quaternary years.

The Union of Concerned Scientists inform terminal hebdomad noted a uncovering that crisis cooling-water valves unsuccessful in 2009 at the Diablo Canyon being as a result of repairs that were prefabricated to another set of valves 18 months earlier.

Questioned most that incident, king said the difficulty would hit prevented curb shack operators from activity the valves, but that they would hit had more than an distance to activate them from a nearby switchbox or manually.


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