ML061710294

NRC Email from Orth to Numitz Proposed RIS Monitoring of Spent Fuel Pools and On-site Contamination

ML061710294
Person / Time
Site:	Braidwood
Issue date:	01/24/2006
From:	Steven Orth Division of Reactor Safety III
To:	Nimitz R NRC/RGN-III
References
FOIA/PA-2006-0115
Download: ML061710294 (10)

Text

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. rth - P ropose a r ivi ii.i.

1V From:

Steven Orth

.T Ronald Nimitz Date":

Tue, Jan 24, 2006 2:08 PM ubject:

Proposed RIS re: Monitoring of Spent Fuel Pools and On-s

/

S,... rayt

, I ite Contamination Steve

>> John White 01/09/06 4:49 PM :>

Region I staff participated in the January 5, 2006, RES/NMSS/NRR Technical Assistance Group (TAG) meeting on Groundwater and Perforamance Monitoring. During the meeting we were requested to provide a copy of the'Draft RIS that was developed by.Ron Nimitz relative to Spent fuel pool leakage and structural integrity issues. Accordingly, please review and provide comments to Ron Nimitz.

Information in this record was deleted in accordance with the Freedom of Informaloff Act, exemptions

/,/o F ),A-

_ ___ _6-_

A7 C2

From:

"Hlaskell, Larry" <Haskell@iema.state.il.us>

To:

Steven Orth <SKO@nrc.gov>

Date:

Tue, Jan 24, 2006 3:32 PM

Subject:

RE: Braidwood Tritium Sampling Steven:

Attached you will find a copy of my spreadsheet comparing Exelon's results with IEMA's. Results that are bold indicate results where the uncertainty intervals for Exelon and IEMA results did not overlap. I use it as a tool to quickly locate pairs of samples which might Iave some discrepancy. 'I eral, %our results are in good agreement with theirs. One exception is PW-5, the private well at the'.

esidence. :Our V4"-4P analysis had a positive detection of approximately 450 pCi/L in that sample; theirs came back as a non-detect.

Last week I had spoken to Jim Gosnell from Exel'on about this issue and he agreed that they would resample that location. This afternoon, Exelon contacted me and informed me that their second analysis was also a non-detect. I have not yet received a second sample, but am expecting it later this week.

Larry Haskell IEMA - Division of Nuclear Safety

<<Exelon and IEMA Tritium results Smiley Road -- updated jan 23.xls>> ----- Original Message -----

From:

Steven Orth [1]

Sent:

Tuesday, January 24, 2006 3:24 PM To:

haskell @ iema.state.il.us Cc:

r_allen@iema.state.il.us; John Cassidy; Roland Lickus

Subject:

Re: Braidwood Tritium Sampling

<<. File: NRC Spreadsheet (24Jan06 Copy to IL).xls. >> Larry, We have compiled the attached comparisons of NRC results to the licensee's results. We still have a number of results'that we have not received from our contract laboratory.

Our initial data review indicates generally very good agreement between the laboratories. As I discussed with Rich Allen yesterday, a few results have a greater difference than I expected, but were' still within a reasonable variance. In some cases, we have asked our laboratory to recount the samples.

Since this information is part of an ongoing NRC inspection, we request that you use the attached information for internal use/review only. We plan to issue our.results in an upcoming inspection report.

We are also very interested in your results and would appreciate a copy of your spreadsheet.

If you have any questions, please contact me via email or at 630/829-9827 or contact John Cassidy at 630/829-9667.

Steven Orth US NRC Region III Division of Reactor Safety

>>> "Haskell, Larry" <Haskell@ iema.state.il.us> 01/24/06 10:04 AM >>>

Mr Orth:

My name is Larry Haskell and I am with the Illinois Emergency Management Agency, Division of Nuclear Safety. I am coordinating the State's receipt and analysis of samples from Exelon's special sampling efforts around the Braidwood station. I understand that you have a similar set of data, collected by the NRC. Would you be willing to swap data sets?

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Exelon has been providing us with duplicates of all samples they collect and analyze. Currently I have received approximately 200 samples and our lab has provided me with results for half of these samples.

All these samples are comprised of between 100 -1000 ml of water which is analyzed by liquid scintillation for tritium. Exelon staff members at Braidwood have provided me with their results from most of the 200 samples. If you would be interested in these results, please let me know. I would be most interested in any results of independent analyses that you have.

Larry.Haskell Illinois Emergency Management Agency Division of Nuclear Safety Haskell@ iema.state.il.Us 217.786.6760

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96 0

3L-02 3L-02 11-17-15 156 +/-

99 0

3L-03 3L-03 11-18-05 0 +/-

94 0

3L-04 BL-04 11-18-05 40 +/-

95 0

L-05.

L-05 18-05 102 +/-

98 0

3L-06 BL-06,

11-18-05.

114 +/-

112 0

3L-07 BL-07 11-18-05.

39+/-

109.

0 3L-08 BL-08

.11-18-05 90 -

111 0

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11D2,15-05

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~~~~~~~~.......................

1L-18DL-1 12-16-05 185 +/-

990 - 264 ".

1273 2142 12016-057 BL-17 BL-17 12-01-05

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96 249 +/-

848 142 12201-05 3U117 12-05-05

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109

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100 167 12-07-05 3W-14(A Agazzl Well)

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181 2450 +/-

190 219 12-13-05

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