ML101950521: Difference between revisions

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=Text=
=Text=
{{#Wiki_filter:Gepford, Heather From:                     Grzeck, Lee [Lee.Grzeck@pgnmail.com]
{{#Wiki_filter:Gepford, Heather From:
Sent:                      Thursday, February 21, 2008 8:17 AM To:                        Heather Gepford Attachments:              Sampling Locations data updated 2-19-08.pdf; Updated 02-19-08 Well pictures with data and graphs.pdf Lee Grzeck Licensing and Regulatory Programs Brunswick Nuclear Plant Progress Energy Carolinas 910-457-2487 Work 910-412-0052 Pager 1                                              5/
Sent:
To:
Attachments:
Grzeck, Lee [Lee.Grzeck@pgnmail.com]
Thursday, February 21, 2008 8:17 AM Heather Gepford Sampling Locations data updated 2-19-08.pdf; Updated 02-19-08 Well pictures with data and graphs.pdf Lee Grzeck Licensing and Regulatory Programs Brunswick Nuclear Plant Progress Energy Carolinas 910-457-2487 Work 910-412-0052 Pager 5/
1


Marsh and River Tri'tium Sampling-Locations Updated 2/19/08 SProgress Energy
Marsh and River Tri'tium Sampling-Locations Updated 2/19/08 SProgress Energy
Line 23: Line 28:
I:
I:
JD
JD
,I L 44
,I L
                                  ]
44
]
I Progress Energy
I Progress Energy


Progress Energy
Progress Energy
-3, 29' Progress Energy
-3, 29' Progress Energy


" Progress Energy Progress Energy
" Progress Energy
                  --I
 
Progress Energy
 
--I
*c Progress Energy
*c Progress Energy


Shallow Wells 17C, 20C, 24C, and 31C Near Pond 25,000 -
Shallow Wells 17C, 20C, 24C, and 31C Near Pond 25,000 -
20,0001-15,000 -
20,0001-15,000 -
0.
0.
10,000 j 5,000 4/28/07   6/17/07       8/6/07     9/25/07 11/14/07   1/3/08     2/22/08     4/12/08
10,000 j 5,000 4/28/07 6/17/07 8/6/07 9/25/07 11/14/07 1/3/08 2/22/08 4/12/08
                          ---cESS-17C -u-ESS-20C a, ESS-24C -e-ESS-31C Progress Energy
---cESS-17C  
-u-ESS-20C a, ESS-24C  
-e-ESS-31C Progress Energy


                . Shallow Wells 18C, 19C, and 22C Near Pond 800,000 700,000 600,000 500,000 400,000   .. -.  ..                    .      ..
. Shallow Wells 18C, 19C, and 22C Near Pond 800,000 700,000 600,000 500,000 400,000 0.
0.
300,000:7,
300,000:7           ,
200,000 100,000 I
200,000                                   ,..
Approx+,imateLowr Lmtof Detection25 i/
100,000         .
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 ESS-18C -a-ESS-19C ESS-22C jProgress Energy
* I    Approx+,imateLowr Lmtof   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     -a-ESS-19C       ESS-22C jProgress Energy


Shallow Wells 23C, 26C, and 27C Near Pond 800,000 700,000 600,000 500,000 300,000 -
Shallow Wells 23C, 26C, and 27C Near Pond 800,000 700,000 600,000 500,000 300,000 -
200,000 100,000     .
200,000 100,000 Aproximate Lower Limit of Detectio~n, 250 pCiIL 0
Aproximate Lower Limit of Detectio~n, 250 pCiIL 0 1       1         1         1         1           1                         1 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
1 1
                                --  ESS-23C   -a-ESS-26C         sh ESS-27C SProgress Energy
1 1
1 1
1 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 ESS-23C  
-a-ESS-26C sh ESS-27C SProgress Energy


Shallow Wells-21C, 25C, and 28C Near Pond 4,800 4,200 3,600 3,000 g- 2,400 0.
Shallow Wells-21C, 25C, and 28C Near Pond 4,800 4,200 3,600 3,000 2,400 g-0.
1,800 1,200 600 0
1,800 1,200 600 0
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
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 ESS-21C  
                                                    --  ESS-21C   -E-ESS-25C   -.-  ESS-28C I       --------------------------              I Note: Values less than the lowerlimit I
-E-ESS-25C ESS-28C I
of detection are non-detectable eui Progress Energy
I Note: Values less than the lowerlimit of detection are non-detectable I
eui Progress Energy


Shallow Well 30C Near Pond 50,000 45,000 -
Shallow Well 30C Near Pond
40,000     .
-J 50,000 45,000 -
35,000.
40,000 35,000.
30,000
30,000 25,000.
-J 25,000.
20,000 15,000 10,000 5,000 0
20,000 15,000 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
7/12/07 8/11/07 9/10/07 10/10/07 11/9/07 12/9/07 1/8/08 2/7/08 ESS-30C 3/8/08 Progress Energy
                                          -.--  ESS-30C Progress Energy


Latest Shallow Well Data Well:     Well Depth (ft) Sample.Date SampleResultsW6 Ci/L).
Latest Shallow Well Data Well:
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         1/15/08                       546 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         1/16/08                     <LLD ESS-26C                 15         2/13/08                   345,900 ESS-27C               15.5         2/14/08                   264,300 ESS-28C                 23         1/11/08                     <LLD ESS-30C                 15         2/13/08                     2,930 ESS-31C                 15         2/13/08                       565 h     Progress Energy
Well Depth (ft)
Sample.Date SampleResultsW6 Ci/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 1/15/08 546 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 1/16/08  
<LLD ESS-26C 15 2/13/08 345,900 ESS-27C 15.5 2/14/08 264,300 ESS-28C 23 1/11/08  
<LLD ESS-30C 15 2/13/08 2,930 ESS-31C 15 2/13/08 565 h
Progress Energy


Marsh Wells ij *PrgrssEnrg Progress Energy
Marsh Wells ij *PrgrssEnrg Progress Energy


Marsh Wells at Gum Log Branch and Nancy's Creek 500  -
Marsh Wells at Gum Log Branch and Nancy's Creek
450 ..
-J U0.
No 400
500 450..
-J U 350       F 0.
No 400 350 F
300 250 200 6/17/07     8/6/07   9/25/07   11/14/07 1/3/08     2/22/08   4/12/08
300 250 200 6/17/07 8/6/07 9/25/07 11/14/07 1/3/08 2/22/08 4/12/08 ESS-GLB-1  
              -- ESS-GLB-1         -u-ESS-NC-1         -h-ESS-NC-2
-u-ESS-NC-1  
              --*-ESS-NC-3.         --- ESS-NC-4       -.- ESS-NC-5 Progress Energy
-h-ESS-NC-2
--*-ESS-NC-3.  
--- ESS-NC-4  
-.- ESS-NC-5 Progress Energy


                -Latest Marsh Well Data Well Well Depth (ft) Sample DateT.i Sample Results pCiL)
-Latest Marsh Well Data Well Well Depth (ft)
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
Sample DateT.i Sample Results pCiL)
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


p I K I
p I
K I
Progress Energy
Progress Energy


Intermediate Wells 17B, 18B, and 20B Near Pond 1,000 800 700 600           Dtcin 5     ~/
Intermediate Wells 17B, 18B, and 20B Near Pond 1,000 800 700 600 Dtcin 5 ~/
o 500 400 300 200
o 500 400 300 200 100 0
-----100 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
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  
                                        --ESS-17B   --u-ESS-18B   -AESS-20B Note: Values less than the lower limit of detection are non-detectable                                                                                 Progress Energy
--u-ESS-18B  
-AESS-20B Note: Values less than the lower limit of detection are non-detectable Progress Energy


Intermediate Wells 21 B, 22B, 24B, and 25B Near Pond 1,000 900 800 700 600
Intermediate Wells 21 B, 22B, 24B, and 25B Near Pond 1,000 900 800 700 600
  -L 500 0.
-L 0.
400 300 200 100 0 f 01/18/07       04/28/07         08/06/07       11/14/07           02/22/08       06/01/08
500 400 300 200 100 0 f 01/18/07 04/28/07 08/06/07 11/14/07 02/22/08 06/01/08
                                      --a- ESS-21B -w- ESS-22B -*--ESS-24B   --&#xfd; ESS-25B Note: Values less than the lower limit of detection are non-detectable
--a-ESS-21B  
------------------------------                                                                    Progress Energy
-w-ESS-22B  
-*--ESS-24B  
--&#xfd; ESS-25B Note: Values less than the lower limit of detection are non-detectable Progress Energy
 
Intermediate Well 19B Near Pond 24,000 22,000 20,000 18,000 16,000 14,000 Aproximate Lower LiiofDtcon25 i/L C) 12,000 0.
10,000 8,000 6,000 4,000 2,000 0-04/28/07 08/06/07 11/14/07 02/22/08 06/01/08
-4O-ESS-1 9B Progress Energy


Intermediate Well 19B Near Pond 24,000 22,000 20,000 18,000 16,000 14,000 Aproximate Lower LiiofDtcon25    i/L C) 12,000 0.
Latest Intermediate Well Sample Data Well Well Depth (ft):
10,000 8,000 6,000 4,000 2,000 0-04/28/07          08/06/07              11/14/07 02/22/08       06/01/08
Sample Date Sample ReSults (pqi/L)
                                              -4O-ESS-1 9B Progress Energy
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 1/16/08
<LLD Progress Energy
 
Progress Energy


Latest Intermediate Well Sample Data Well          Well Depth (ft): Sample Date Sample ReSults (pqi/L)
Deep Wells 17A, 24A, and 27A Near Pond 5 0 0 450 400 300
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            1/16/08                    <LLD
* Progress Energy
* Progress Energy Deep Wells 17A, 24A, and 27A Near Pond 50 0                   : ' ...... ;:
* 450 400 300
-o
-o
: a. 250 200 150 100 50                   Tritium is non -detectable in all deep 0
: a. 250 200 150 100 50 Tritium is non -detectable in all deep 0
3/9/07- 4/28/07 6/17/07         8/6/07   9/25/07 11/14/07 1V2 I/08 2/22/08 4/12/08
3/9/07-4/28/07 6/17/07 8/6/07 9/25/07 11/14/07 1V2 I/08 2/22/08 4/12/08
                      -*.-ESS-17A           -c- ESS-24A   -- ESS-27A 0 Progress Energy
-*.-ESS-17A  
-c-ESS-24A ESS-27A 0 Progress Energy
 
Latest Deep Well Sample Data Wel el Dpt (t)Sample Date Tritium Sample Reut 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


Latest Deep Well Sample Data Wel el Dpt (t)Sample      Date Tritium Sample Reut pCi/L)
Wells 3B, 3C, 13B, and 13C 1,800 1,500 1,200 900 600 300 3/9/07 4/28/07 6/17/07 8/6/07 9/25/07 11/14/07 1/3/08 2/22/08 I
ESS-17A            150          2/11/08                           <LLD ESS-24A            140          2/13/08                           <LLD ESS-27A            140          2/14/08                            <LLD
ESS-1 3C
                                                      .Progress Energy
-a-ESS-3C ESS-3B
-mn ESS-1 3B Progress Energy


Progress Energy Wells 3B, 3C, 13B, and 13C 1,800 1,500 1,200 900 600 300 3/9/07 4/28/07      6/17/07      8/6/07    9/25/07    11/14/07  1/3/08     2/22/08 I  *- ESS-1 3C  -a- ESS-3C  -* ESS-3B  -mn  ESS-1 3B Progress Energy
Miscellaneous Wells-1 Well Well Depth (11)
Sample Date Tritium Sample Results Ci/L)
ESS-3B 52.4 1/16/08 894 ESS-3C 14.3 1/16/08 288 ESS-13B 56.5 1/16/08  
<LLD ESS-13C 24.8 1/16/08 258 Progress Energy


Miscellaneous Wells-1 Well      Well Depth (11) Sample Date Tritium Sample Results Ci/L)
s Progress Energy
ESS-3B          52.4          1/16/08                              894 ESS-3C          14.3          1/16/08                              288 ESS-13B        56.5        1/16/08                            <LLD ESS-13C        24.8          1/16/08                              258 Progress Energy


s Progress Energy Switchyard Area Wells from Historical Radwaste Line Leak, Well 2C 2,000,000 1,900,000 1,800,000 1,700,000 1,600,000
Switchyard Area Wells from Historical Radwaste Line Leak, Well 2C 2,000,000 1,900,000 1,800,000 1,700,000 1,600,000
: 0. 1,500,000 1,400,000 1,300,000 1,200,000 1,100,000 1,000,000 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
: 0.
                                          -ESS-2C SProgress Energy
1,500,000 1,400,000 1,300,000 1,200,000 1, 100,000 1,000,000 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-2C SProgress Energy


Switchyard Area Wells from Historical Radwaste Line Leak, Well 16 70,000 60,000                                                           ""
Switchyard Area Wells from Historical Radwaste Line Leak, Well 16 70,000 60,000 50,000 0 40,000 30,000 10,000 0
50,0000 40,000 30,000 10,000 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
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
-U-ESS-16C jProgress Energy
                                      -U-ESS-16C jProgress Energy


Miscellaneous Wells-2 Well     Well Depth (ft) Sample Date Tritium Sample Results (pCi/L
Miscellaneous Wells-2 Well Well Depth (ft)
* ESS-2C         23         2/18/08                           1,575,000 ESS-16         25.4         2/15/08                               64,220 Progress Energy}}
Sample Date Tritium Sample Results (pCi/L ESS-2C 23 2/18/08 1,575,000 ESS-16 25.4 2/15/08 64,220 Progress Energy}}

Latest revision as of 04:09, 14 January 2025

Email from Grzeck, Lee to Heather Gepford: Attachments Sampling Locations Data Updated 2-19-08.pdf; Updated 2-19-08 Well Pictures with Data and Graphs.Pdf
ML101950521
Person / Time
Site: Brunswick  Duke Energy icon.png
Issue date: 02/21/2008
From: Grzeck L
Progress Energy Carolinas
To: Heather Gepford
NRC/RGN-II/DFFI
References
FOIA/PA-2010-0209
Download: ML101950521 (32)


Text

Gepford, Heather From:

Sent:

To:

Attachments:

Grzeck, Lee [Lee.Grzeck@pgnmail.com]

Thursday, February 21, 2008 8:17 AM Heather Gepford Sampling Locations data updated 2-19-08.pdf; Updated 02-19-08 Well pictures with data and graphs.pdf Lee Grzeck Licensing and Regulatory Programs Brunswick Nuclear Plant Progress Energy Carolinas 910-457-2487 Work 910-412-0052 Pager 5/

1

Marsh and River Tri'tium Sampling-Locations Updated 2/19/08 SProgress Energy

I:

JD

,I L

44

]

I Progress Energy

Progress Energy

-3, 29' Progress Energy

" Progress Energy

Progress Energy

--I

  • c Progress Energy

Shallow Wells 17C, 20C, 24C, and 31C Near Pond 25,000 -

20,0001-15,000 -

0.

10,000 j 5,000 4/28/07 6/17/07 8/6/07 9/25/07 11/14/07 1/3/08 2/22/08 4/12/08

---cESS-17C

-u-ESS-20C a, ESS-24C

-e-ESS-31C Progress Energy

. Shallow Wells 18C, 19C, and 22C Near Pond 800,000 700,000 600,000 500,000 400,000 0.

300,000:7,

200,000 100,000 I

Approx+,imateLowr Lmtof 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 -a-ESS-19C ESS-22C jProgress Energy

Shallow Wells 23C, 26C, and 27C Near Pond 800,000 700,000 600,000 500,000 300,000 -

200,000 100,000 Aproximate Lower Limit of Detectio~n, 250 pCiIL 0

1 1

1 1

1 1

1 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 ESS-23C

-a-ESS-26C sh ESS-27C SProgress Energy

Shallow Wells-21C, 25C, and 28C Near Pond 4,800 4,200 3,600 3,000 2,400 g-0.

1,800 1,200 600 0

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 ESS-21C

-E-ESS-25C ESS-28C I

I Note: Values less than the lowerlimit of detection are non-detectable I

eui Progress Energy

Shallow Well 30C Near Pond

-J 50,000 45,000 -

40,000 35,000.

30,000 25,000.

20,000 15,000 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 ESS-30C 3/8/08 Progress Energy

Latest Shallow Well Data Well:

Well Depth (ft)

Sample.Date SampleResultsW6 Ci/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 1/15/08 546 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 1/16/08

<LLD ESS-26C 15 2/13/08 345,900 ESS-27C 15.5 2/14/08 264,300 ESS-28C 23 1/11/08

<LLD ESS-30C 15 2/13/08 2,930 ESS-31C 15 2/13/08 565 h

Progress Energy

Marsh Wells ij *PrgrssEnrg Progress Energy

Marsh Wells at Gum Log Branch and Nancy's Creek

-J U0.

500 450..

No 400 350 F

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

-u-ESS-NC-1

-h-ESS-NC-2

--*-ESS-NC-3.

--- ESS-NC-4

-.- ESS-NC-5 Progress Energy

-Latest Marsh Well Data Well Well Depth (ft)

Sample DateT.i Sample Results pCiL)

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

p I

K I

Progress Energy

Intermediate Wells 17B, 18B, and 20B Near Pond 1,000 800 700 600 Dtcin 5 ~/

o 500 400 300 200 100 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-17B

--u-ESS-18B

-AESS-20B Note: Values less than the lower limit of detection are non-detectable Progress Energy

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

-L 0.

500 400 300 200 100 0 f 01/18/07 04/28/07 08/06/07 11/14/07 02/22/08 06/01/08

--a-ESS-21B

-w-ESS-22B

-*--ESS-24B

--ý ESS-25B Note: Values less than the lower limit of detection are non-detectable Progress Energy

Intermediate Well 19B Near Pond 24,000 22,000 20,000 18,000 16,000 14,000 Aproximate Lower LiiofDtcon25 i/L C) 12,000 0.

10,000 8,000 6,000 4,000 2,000 0-04/28/07 08/06/07 11/14/07 02/22/08 06/01/08

-4O-ESS-1 9B Progress Energy

Latest Intermediate Well Sample Data Well Well Depth (ft):

Sample Date Sample ReSults (pqi/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 1/16/08

<LLD Progress Energy

Progress Energy

Deep Wells 17A, 24A, and 27A Near Pond 5 0 0 450 400 300

-o

a. 250 200 150 100 50 Tritium is non -detectable in all deep 0

3/9/07-4/28/07 6/17/07 8/6/07 9/25/07 11/14/07 1V2 I/08 2/22/08 4/12/08

-*.-ESS-17A

-c-ESS-24A ESS-27A 0 Progress Energy

Latest Deep Well Sample Data Wel el Dpt (t)Sample Date Tritium Sample Reut 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 1,200 900 600 300 3/9/07 4/28/07 6/17/07 8/6/07 9/25/07 11/14/07 1/3/08 2/22/08 I

ESS-1 3C

-a-ESS-3C ESS-3B

-mn ESS-1 3B Progress Energy

Miscellaneous Wells-1 Well Well Depth (11)

Sample Date Tritium Sample Results Ci/L)

ESS-3B 52.4 1/16/08 894 ESS-3C 14.3 1/16/08 288 ESS-13B 56.5 1/16/08

<LLD ESS-13C 24.8 1/16/08 258 Progress Energy

s Progress Energy

Switchyard Area Wells from Historical Radwaste Line Leak, Well 2C 2,000,000 1,900,000 1,800,000 1,700,000 1,600,000

0.

1,500,000 1,400,000 1,300,000 1,200,000 1, 100,000 1,000,000 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-2C SProgress Energy

Switchyard Area Wells from Historical Radwaste Line Leak, Well 16 70,000 60,000 50,000 0 40,000 30,000 10,000 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

-U-ESS-16C jProgress Energy

Miscellaneous Wells-2 Well Well Depth (ft)

Sample Date Tritium Sample Results (pCi/L ESS-2C 23 2/18/08 1,575,000 ESS-16 25.4 2/15/08 64,220 Progress Energy