ML101950517
| 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:
Sent:
To:
Attachments:
Grzeck, Lee [Lee.Grzeck@pgnmail.com]
Thursday, March 13, 2008 7:51 AM Heather Gepford 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
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' "'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 Progress Energy
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
-L 4,800 4,200 3,600 3,000 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 CL20,000 pdi
- ppr:
c t L it D*-t
- 20.on, 250.
10,000 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
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500 450 350 300-250 200 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
)K ESS-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 C.)
600 500 400 300 200 100 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
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Intermediate Wells 21B, 22B, 24B, and 25B Near Pond 1,000 900 800 700 600
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500 400 300 200 100 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 Progress Energy
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 250 200 150 100 50...
in dd eep..
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- e p w...ll.s 0t 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
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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
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Switchyard Area Wells from Historical Radwaste Line Leak, Well 2C 1.OOE+08 NN 1.OOOE-'07 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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