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bananas

(27,509 posts)
Tue Jan 10, 2017, 09:51 PM Jan 2017

U.S. lists 17 nuclear reactors with parts from forge under probe

Source: Reuters

The U.S. Nuclear Regulatory Commission (NRC) on Tuesday unveiled a letter showing that 17 of the country's nuclear reactors have parts from Areva SA's Le Creusot forge in France, which is under investigation for allegedly falsifying documents on the quality of its parts.

The number of reactors was more than the nine the NRC had previously disclosed.

Last month authorities in France opened an investigation into decades of alleged forgery of documents relating to the quality of parts produced at Le Creusot and used in power plants around the world.

Areva, a nuclear and renewable energy firm, furnished the information to the U.S. regulator last month but had urged the agency to keep it private, saying it was material to the business of nuclear power generators. The NRC told Areva it did not consider the information to be so and released it 10 days after receiving it.

<snip>

Read more: http://www.reuters.com/article/us-usa-france-nuclearpower-idUSKBN14U2T0

13 replies = new reply since forum marked as read
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Thor_MN

(11,843 posts)
1. Journalism is dead. If the headline says "U.S. lists 17 reactors",
Tue Jan 10, 2017, 10:42 PM
Jan 2017

A list of 17 reactors should be part of the article.

Hortensis

(58,785 posts)
9. Really? That's your only response? Lol.
Wed Jan 11, 2017, 08:32 PM
Jan 2017

You may or may not be interested, but I did find this, mainly because I was wondering if any was near us in Florida. As you can see, I need to dig some more.

"The 17 U.S. reactors with Le Creusot components are located at 13 nuclear plants across the country; some plants, like Prairie Island (North Dakota), have two affected reactors. Texas, Virginia and Tennessee each have two sites with Le Creusot components; Alabama, Pennsylvania, South Carolina, Connecticut, Arkansas and Florida each have one."

Hortensis

(58,785 posts)
10. Here's more info on the specific reactors.
Wed Jan 11, 2017, 08:40 PM
Jan 2017

"The affected nuclear plant sites – some with multiple reactors – revealed by Greenpeace include: Prairie Island in Minnesota; North Anna and Surry in Virginia; Three Mile Island in Pennsylvania; Arkansas One in Arkansas; Turkey Point and St Lucie in Florida; DC Cook in Michigan; Salem in New Jersey; Callaway in Missouri; and Millstone in Connecticut. The Crystal River reactor in Florida was also listed but is now permanently closed."

 

Thor_MN

(11,843 posts)
11. Prairie Island is 44 miles away from me right now.
Wed Jan 11, 2017, 08:57 PM
Jan 2017

But then, I went to grade school less than a mile from nuclear tipped anti-aircraft missiles - about 12 Hiroshimas worth of Bomarc II missiles. I'm not worried.

Thanks for looking that up, I appreciate it.

Hortensis

(58,785 posts)
12. Prairie Island's too close anyway. We're a similar distance
Thu Jan 12, 2017, 07:12 AM
Jan 2017

from the closed Florida one. That's owned by evil Duke Energy, btw, who from something I read seem to be handling control and disposal with their signature depraved indifference, or trying to.

I spent part of grade school in Los Angeles, near ground central during the Cuban missile crisis. It's a big place, so who knows--doing the huddle drill under our desks might have saved some somewhere. (Hear confidence in Trump is dropping across the board. Wonder why?)

alfredo

(60,071 posts)
2. I guess they didn't want to cause a panic
Wed Jan 11, 2017, 01:23 AM
Jan 2017

Nothing like the specter of a nuke meltdown to raise that blood pressure.

NutmegYankee

(16,199 posts)
3. Before this got to the press the parts were probably inspected.
Wed Jan 11, 2017, 07:19 AM
Jan 2017

With the non-conformance either accepted technically or the parts replaced.

mahatmakanejeeves

(57,370 posts)
7. See the comments to the article in TWSJ. a month ago. Some were quite enlightened.
Wed Jan 11, 2017, 01:12 PM
Jan 2017

If the paywall gets in the way, try going in through Google or Google News.

Coverup at French Nuclear Supplier Sparks Global Review

Coverup at French Nuclear Supplier Sparks Global Review

Inspectors say Areva units files suggest manufacturing flaws in critical parts were covered up for decades

By Matthew Dalton and Inti Landauro in Paris and Rebecca Smith in San Francisco

Matthew.Dalton@wsj.com
@DJMatthewDalton

Inti.Landauro@dowjones.com
@landauro

rebecca.smith@wsj.com

Dec. 13, 2016 5:30 a.m. ET

Inspectors from the U.S. and other countries are investigating a decadeslong coverup of manufacturing problems at a key supplier to the nuclear power industry, probing whether flaws introduced in a French factory represent a safety threat to reactors world-wide. ... Inspectors from the U.S., China and four other nations visited Areva SAs Le Creusot Forge in central France earlier this month to examine the plants quality controls and comb through its internal records.

A string of discoveries triggered the newly expanded review: First, French investigators said they found steel components made at Le Creusot and used in nuclear-power plants across France had excess carbon levels, making them more vulnerable to rupture. Then, the investigators discovered files suggesting Le Creusot employees for decades had concealed manufacturing problems involving hundreds of components sold to customers around the world.

The disclosure of flaws covered up by Le Creusot led to two reactor shutdowns this summer in France, and in September authorities ordered Areva to check 6,000 manufacturing files by hand, covering every nuclear part made at Le Creusot since the 1960s. ... Im concerned that there keep being more and more problems unveiled, said Kerri Kavanagh, who leads the U.S. Nuclear Regulatory Commissions unit inspecting Le Creusot. Regulators are considering returning to Le Creusot or inspecting Arevas Lynchburg, Va., offices to deepen their probe of the plant, a U.S. official said.

On Wednesday, Paris prosecutors opened a preliminary investigation into whether Le Creusots activities were fraudulent and dangerous, according to a spokeswoman for prosecutors. ... What we see now at Le Creusot is clearly unacceptable, said Julien Collet, assistant general manager at Frances Nuclear Safety Authority.


Title in print edition, on page B1: "Probe Points to Nuclear Coverup."

Babcock and Wilcox used to be in Lynchburg. They must have been taken over by Areva.

Full disclosure: I am not opposed to nuclear power. I have visited a reactor, but I have never taken any nuclear engineering courses.

NutmegYankee

(16,199 posts)
8. If the steam generator wall failed, they would shut down the reactor and add borated water.
Wed Jan 11, 2017, 06:49 PM
Jan 2017

The cool borated water, plus other neutron poisons (elements that absorb neutrons due to a large cross section thereby stopping fission) would stop the reactor from fissioning and then the decay heat removal system heat exchanger will be used to reduce the reactor core temperature until it's in cold shutdown. Any steam from a PWR steam generator (secondary loop) is not in direct contact with the core and could be vented without much radiation concern.

Amishman

(5,554 posts)
6. One more reason to be replacing / updating our nuclear powerplants
Wed Jan 11, 2017, 11:00 AM
Jan 2017

Modern molten salt and thorium designs are much safer and more efficient than the old reactors in place.

Wind and solar are desirable but their variable nature makes them poor choices for base load supply. Updated nuclear is needed so we can cut fossil fuels

truthisfreedom

(23,141 posts)
13. Correct me if I'm wrong, but only one thorium reactor was ever built, in the 60s, and it was very
Thu Jan 12, 2017, 07:53 AM
Jan 2017

very small, right?

Why haven't we built more?

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