ML053330050
| ML053330050 | |
| Person / Time | |
|---|---|
| Site: | Vermont Yankee File:NorthStar Vermont Yankee icon.png |
| Issue date: | 04/23/2004 |
| From: | Neil Sheehan NRC Region 1 |
| To: | Anderson C, Ray Lorson, David Pelton Office of Nuclear Reactor Regulation |
| References | |
| FOIA/PA-2004-0369 | |
| Download: ML053330050 (6) | |
Text
L avici;Pelton - Fwd: Re: [KnowNukes Re: Fuel Rod Pieces Missing at Vt. Nuke Plant Page 1 From:
To:
Cliff Anderson; David Pelton; Raymond Lorson Date:
4/23/04 10:45AM
Subject:
Fwd: Re: [Know._Nukes) Re: Fuel Rod Pieces Missing at Vt. Nuke Plant This message is from the Know Nukes" message group. Mike Mulligan used to correspond with the NRC on a regular basis.
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Fwd: Re: [Know_Nukes] Re: Fuel Rod Pieces Missing at Vt. Nuke Plant 4/23/04 10:45AM Neil Sheehan NAS @nrc.gov Recipients kpl-po.KPDO DLP1 (David Pelton)
RKL (Raymond Lorson) nrc.gov kpl-po.KPDO CJA (Cliff Anderson)
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Size 605 Date & Time 04/23/04 10:45AM None Standard No None No Standard
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-t 3uePat-Pal From:
steamshovel2002 @yahoo.com To:
<Know_Nukes yahoogroups.com>
Date:
4/22/04 6:19PM
Subject:
Re: [Know._Nukes] Re: Fuel Rod Pieces Missing at Vt. Nuke Plant Well, when I worked at VY many years ago -they had the extremely hot control rod ball bearing (stellite) contained in a stainless steel dairy milk bucket. It was attached to the pool handle (personal barrier/hand rail) by a steel cable-hung. It looked like a strange Christmas tree, the employee barrier, with a lot of cables tied to the hand rails with core junk dangling against the wall.
I would question the meaning of a "special bucket"
-ask them to explain what they exactly mean by special. You got to give the NRC credit with discovering it this late in the game -no matter what.
As a investigation path I would look at it this. I would look at the historic record of pool water radioactivity before and after the pins were thought of as missing. I'd be looking for some sort of trends
-or drastic change. I take a historic look at the fuel pool water cooling filters, wondering if they have been forced to change these out more frequency prior to loosing the pins.
What I am wondering is -was the pins corroding in the can leading to highly radioactive components ending up in the pool. I had a radiation tech come up to me in my final days telling me they discovery much alpha contamination on the refueling floor and components.
He said they had a hard time detecting it -didn't have the appropriate equipment to do this -and there was a lot. Of course there is the fuel flea's -highly radioactive particles, which they had trouble with in the past that comes from exposed pellets. This guy was questionable to me -so I took it no farther.
So why should the employees have to deal with the potential of rad exposure because of some kind of phony rule thing -that they can't ship out used fuel.
So why not put it In the'shit-can without permission
-high level cast-so the future employees need not be exposed to the results. They do remove highly radioactive components - LPRM, core components and debris from the fuel pool floor. I imagine the pin went out there.
mike mulligan Hinsdale, NH
--- Paul <iprimap~yahoo.com> wrote:
> The NRC Daily Event Report puts the missing fuel rod
> pieces at VY in
Da-vid P-elton -_Re. [~now~ Nukes] Re: Fuel Rod Pieces Missing at Vt. Nuke Plant
> perspective. The pieces have to be somewhere in the
> spent fuel pool -
> it's just a matter of locating them and finding out
> why the
> documentation is In error. I seriously doubt that
> public health and
> safety are at any risk from this event. But it does
> point out that
> we all have problems - even the ENVY of the
> northeast.
> httpi/www.nrc.gov/reading-rm/doc-collections/event-
> status/event/en.html
> Event Number: 40694
> LICENSEE PLANS TO ISSUE NEWS RELEASE REGARDING AN
> ACCOUNTABILITY
> DISCREPANCY OF SNM
> The following is the text of the planned press
> release:
> Entergy Vermont Yankee Press Release
> Fuel Rod Segments at Vermont Yankee Unaccounted For
> BRATTLEBORO, VT -- In response to a recent NRC
> inspection, Entergy
> Vermont Yankee has determined that two short spent
> fuel rod segments
> are not in their documented location in the spent
> fuel pool. Entergy
> engineers are reviewing storage records and
> performing a thorough
> inspection of the spent fuel pool to determine the
> location of the
> rod segments.
> "One of the segments is about the length and
> diameter of a pencil
> and the other is the same diameter and about 17
> inches long.
> According to station documentation, In 1979, the
> highly radioactive
> rods were placed in a special stainless steel
> container in the spent
> fuel pool after a fuel inspection to address fuel
> cladding
> deficiencies.
> 'Vermont Yankee has an extensive system of radiation
> monitors and,
> due to the radioactive nature of the material, the
> segments could
I DavidPelton - Re: [Know _Nukes] Re: Fuel Rod Pieces Missing at Vt. Nuke Plant
_,~~~~~~~~~~~
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add.._~~
~~~~~,
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. MU_ _
> not have been inadvertently removed from the pool in
> anything other
> than a container specifically designed and licensed
> to contain
> radioactive material. Therefore, public health and
> safety is not at
> risk as a result of this issue. Entergy Vermont
> Yankee will continue
> to keep the Nuclear Regulatory Commission and state
> authorities
> informed on the progress of the investigation.
> "The Vermont Yankee spent fuel pool i440 feet in
> depth and contains
> 2,789 spent uranium fuel assembliesthat were used
> in energy
> production since 1972. Vermont Yankee is presently
> shut down for its
> twenty fourth refueling and maintenance outage."
> The licensee informed the NRC Resident Inspector.
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I David'Peton_- Re: [Know...NukesJ Re: Fuel Rod Pieces Missing at Vt. Nuke Plant t
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