ML101950517

Email from Grzeck, Lee to Heather Gepford: Attachments Sampling Locations Data Updated 3-11-08.pdf; Updated 3-11-08 Well Pictures with Data and Graps.Pdf

ML101950517
Person / Time
Site:	Brunswick
Issue date:	03/13/2008
From:	Grzeck L Progress Energy Carolinas
To:	Heather Gepford NRC/RGN-II/DFFI
References
FOIA/PA-2010-0209
Download: ML101950517 (32)

Text

Gepford, Heather From: Grzeck, Lee [Lee.Grzeck@pgnmail.com]

Sent: Thursday, March 13, 2008 7:51 AM To: Heather Gepford Attachments: Sampling Locations data updated 3-11-08.pdf; Updated 3-11-08 Well pictures with data and graphs.pdf Heather-Slides for 1000 conference call.

Lee Grzeck Licensing and Regulatory Programs Brunswick Nuclear Plant Progress Energy Carolinas 910-457-2487 Work 910-412-0052 Pager

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Marsh and River Tritium Sampling Locations Updated 3/11/08 Progress Energy

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Shallow Wells 17C, 20C, 24C, and 31C Near Pond 25,000 20,000 15,000 C-tU 10,000 5,000 0

4/28/07 6/17/07 8/6/07 9/25/07 11/14/07 1/3/08 2/22/08 4/12/08 I oESS-17C m ESS-20C & ESS-24C -. 0-ESS-31C

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Shallow Wells 18C, 19C, and 22C Near Pond 800,000 .

700,000 ,

600,000 500,000 o400,000 0.

300,000 200,000 ',

];'***.-***.#*, ,*** l* *. * .. .*i*" . .... ' "'4 100,000 -

Approximate Lower Limit of Detection25 i/

0 4/28/07 6/17/07 8/6/07 9/25/07 11/14/07 1/3/08 2/22/08 4/12/08

-.- ESS-18C -.- ESS-19C -ESS-22C

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Shallow Wells 23C, 26C, and 27C Near Pond 800,000 700,000 600,000 --- ---

500,000 300,000 * , .-:  : *~ :'**,;*i:;,"" * ** *;

200,000 -

-- ,-ESS-23C -i-ESS-26C .-*-ESS-27C Progress Energy

Shallow Wells 21C, 25C, and 28C Near Pond 4,800 4,200 3,600 3,000

-L 2,400 1,800 1,200 600 0 6 7 1 1 10 1 1 5/8/07 6/7/07 7/7/07 8/6/07 9/5/07 10/5/07 11/4/07 12/4/07 1/3/08 2/2/08 3/3/08 I-4-ESS-21C -a-ESS-25C --O-ESS-28CI I---------------------------

Note: Values less than the lower limit of detection are non-detectable I---------------------------I Progress Energy

Shallow Well 30C Near Pond 50,000 -

45,000..

40,000 35,000 30,000 10,000 CL20,000  :: ......

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• 20.on, it D*-t 250. ......... ......

5,000 0

7/12/07 8/11/07 9/10/07 10/10/07 11/9/07 12/9/07 1/8/08 2/7/08 3/8/08

--- ESS-30C 42Progress Energy

Latest Shallow Well Data Well Wel Depth (ft) Sample Date Sample: Results (pCi/L ESS-17C 26 2/11/08 4,766 ESS-18C 20 2/14/08 551,500 ESS-19C 20 2/11/08 508,900 ESS-20C 20.5 2/11/08 18,640 ESS-21C 20 2/13/08 606 ESS-22C 20 2/13/08 573,800 ESS-23C 23 2/14/08 234,400 ESS-24C 18 2/13/08 4,334 ESS-25C 22 2/18/08 <LLD ESS-26C 15 2/13/08 345,900 ESS-27C 15.5 2/14/08 264,300 ESS-28C 23 2/14/08 525 ESS-30C 15 2/13/08 2,930 ESS-31C 15 2/13/08 565

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Marsh Wells at Gum Log Branch and Nancy's Creek 500 450

-J 0 350 0.

300-250 200 6/17/07 8/6/07 9/25/07 11/14/07 1/3/08 2/22/08 4/12/08 s-ESS-GLB-1 -u--ESS-NC-1 -& ESS-NC-2

--oESS-NC-3 )KESS-NC-4 -.o-ESS-NC-5 Progress Energy

Latest Marsh Well Data Well Well Depth (ft) Sample Date 1 Tritium Sample Results (pCi/L).

ESS-NC-1 7.5 2/12/08 294 ESS-NC-2 8 2/12/08 260 ESS-NC-3 8 2/12/08 <LLD ESS-NC-4 8 2/12/08 323 ESS-NC-5 8 2/12/08 <LLD ESS-GLB- 1 8 2/12/08 <LLD Progress Energy

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Intermediate Wells 17B, 18B, and 20B Near Pond 1,000 900 800 700 600 C.)

500 400 300 200 100 3/9/07 4/28/07 6/17/07 8/6/07 9/25/07 11/14/07 1/3/08 2/22/08 4/12/08

--*-ESS-17B -n--ESS-18B -*--ESS-20B Note: Values less than the lower limit of detection are non-detectable k Progress Energy

Intermediate Wells 21B, 22B, 24B, and 25B Near Pond 1,000 900 800 700 600

_J 500 0,.

400 300 200 100 0 4--

01/18/07 04/28/07 08/06/07 11/14/07 02/22/08 06/01/08 1 ESS-21B - ESS-22B -.- ESS-24B --- ESS-25B Note: Values less than the lower limit of detection are non-detectable

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Intermediate Well 19B Near Pond 24,000 4 22,000 20,000 18,000 16,000 14,000 App:*;::**roximate LowerLimi tof Deeto,-o 25 p, 12,000 10,000 8,000 - - -

6,000 ---------

4,000 2,000 ,

0 0 04/28/07 08/06/07 11/14/07 02/22/08 06/01/08

-e-,+-ESS-1 9B Progress Energy

Latest Intermediate Well Sample Data Well We] IDepth (ft) Sample Date Sample Results (pCI/L)

ESS-17B 53 2/11/08 <LLD ESS-18B 63 2/14/08 <LLD ESS-19B 42 2/11/08 17,620 ESS-20B 43 2/11/08 <LLD ESS-21B 67 2/13/08 <LLD ESS-22B 76 2/13/08 <LLD ESS-24B 53 2/13/08 <LLD ESS-25B 43 2/18/08 <LLD Progress Energy

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Deep Wells 17A, 24A, and 27A Near Pond 500 450 350 300

-j O 250 200 0t 150 100 50 ... ....... .. ..... eep.. ... in p w ...ll.s

.. .aII....dd *e 3/9/07 4/28/07 6/17/07 8/6/07 9/25/07 11/14/07 1/3/08 2/22/08 4/12/08 o ESS-17A --- ESS-24A -&-ESS-27A Progress Energy

Latest Deep Well Sample Data Well Well Depth (ft) Sample Date Tritium Sample'Results (pCi/L)

ESS-17A 150 2/11/08 <LLD ESS-24A 140 2/13/08 <LLD ESS-27A 140 2/14/08 <LLD Progress Energy

~Progress Energy Wells 3B, 3C, 13B, and 13C 1,800 1,500 1,200

-J 900 600 300 0

3/9/07 4/28/07 6/17/07 8/6/07 9/25/07 11/14/07 1/3/08 2/22/08 4/12/08

• -ESS-13C -- ESS-3C -~--A-ESS-3B --.- ESS-13B Progress Energy

Miscellaneous Wells-1 Well Well Depth (ft) Sample Date Tritium Sample Results (pCi/L)

ESS-3B 52.4 2/18/08 943 ESS-3C 14.3 2/15/08 294 ESS-13B 56.5 2/15/08 <LLD ESS-13C 24.8 2/15/08 <LLD Progress Energy

Progress Energy Switchyard Area Wells from Historical Radwaste Line Leak, Well 2C 1.OOE+08 1.OOOE-'07 NN 1.OOOE+06 1.OOOE+05 1.OOQE+04 1.OOOE+02 1.OOOE+01 1/31/93 10/28/95 7/24/98 4/19/01 1/14/04 10/10/06 7/6/09 SProgress Energy

Switchyard Area Wells from Historical Radwaste Line Leak, Well 16 1.OOOE+08 1.OOOE+07 1.OOOE+06 1.000E+05 1.OOOE+04 1.OOOE+03 1.OOOE+02 1.OO0E+01 1/31/93 10/28/95 7/24/98 4/19/01 1/14/04 10/10/06 7/6/09

& Progress Energy

Miscellaneous Wells-2 Well Well Depth.(ft) Sriaml t Tritium Sample Results (pCi/L)

ESS-2C 23 2/18/08 1,575,000 ESS- 16 25.4 2/15/08 64,220

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