NC0001422_CAP 2 Figures_20160201

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FIGURE ES-1
SITE CONCEPTUAL MODEL -PLAN VIEW
L.V. BUTTON ENERGY COMPLEX

MANMADE BERM FOR
THE COOLING POND
ASH PORE WATER
COOLING POND
CAPE FEAR RIVER
1971 ASH BASIN (SOURCE)
LAKE SUTTON RD
baw
w
DUKE ENERGY PROGRESS z
INS WOOTEN PROPERTY
SUTTON ENERGY COMPLEX
0-1
SAND HILLS WITH POSSIBLE O PRODUCTION WELLS
RECHARGE ZONES
ram
SAND QUARRY POND
--------------
---------------- -- AREA OF CONCENTRATIONS IN ----------------------
- GROUNDWATER ABOVE NC2L STANDARD _ -
PEE DEE AQUIFER=-- -__-_-_-_-_-_-_-_-_-_-_-_-_-_ -PEE DEE AQUIFER---
_ -----------
-FRESH WATER _FRESH WATER
-------------
- -SEA WATER = - -- A -SEWATER_==_____
- ----PEE -PEE DEE AQUIFER - - - -
---- - _ --- - _ - --- LEGEND
=PEE DEE AQUIFER V INFERRED OR MEASURED APPROXIMATE WATER TABLE
- - - � =- NOTE:
--- - _ = DASHED GROUNDWATER FLOW DIRECTION ARROWS INDICATE
-INFERRED FROM TOPOGRAPHY
-------------
-- - --- NOT TO SCALE
--------------- FIGURE ES-2
- - -= 148 RIVER STREET, SUITE 220 CROSS-SECTION CONCEPTUAL SITE MODEL
- - PHONE[phone]T999ARouNAzssol L. V. SUTTON ENERGY COMPLEX
WWW.SYRterraDDFP.D°R, WILMINGTON, NORTH CAROLINA
WALDREP
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--------- -- _ PROJECT FIG
ES-2 R: SECTION CO
LAYOUT: FIG ES-2 (X-SECTION CONCEPTUAL MODEL)
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APPROXIMATE ROUTE OF THE `� C
NEW WILLMINGTON BYPASS (1-140) -
OLD .MILL RDNE
Navassa N
SOURCE:
USGS TOPOGRAPHIC MAP OBTAINED FROM THE USGS STORE AT
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GREENSBORO
•
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NEW HANOVER COL
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GREENVILLE, SOUTH CAROLINA
PHONE [phone]
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P:\Gke Energy Progress.1026
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PROPERTY BOUNDARY
CLINTONST
0
SAMPS ST
I
FIGURE 1-1
SITE LOCATION MAP
L.V. SUTTON ENERGY COMPLEX
•GREENVILLE 801 SUTTON STEAM PLANT RD
. WILMINGTON, NORTH CAROLINA
LELAND AND CASTLE HAYNE NC QUADRANGLES
INBTON DRAWN BY: J. CHASTAIN DATE: 2014-12-15 GRAPHIC SCALE
PROJECT MANAGER: KATHY WEBB CONTOUR INTERVAL: loft 1500 0 1500 3000
LAYOUT: FIG 1(USGS SITE LOCATION) MAP DATE: 2013
ASM1 0esin GW Assessment Plan\1.11 GSA R,mfting\FIGURES\DE SUFTON FIG 1-1(SITE LOCATION MAPI.Ewg IN FEET

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INSET A (THIS FIGURE) FOF
iTREAM SAMPLE LOCATION
THE CAPE FEAR RIVER
SW-CFP
MW-37B .t►
MW-37C
CUB-9
10
CUB-11
INSET B
CUB SAMPLE LOCATIONS
GRAPHIC SCALE
600 0 300 600
(IN FEET)
1200
POND
SW-6A
COOLING POND WATER LEVEL = 9.60 ft
PROVIDED BY DUKE ENERGY 06-02-2014
SW-8A
POND
/0
CAPE
MW-5CD
MW-5D
MW-5E
AW-8B
AW-8C
10 20
'7\, I\i
LEGEND
k. —
\
MW-4B BACKGROUND MONITORING WELL (SURVEYED)
!4'
COMPLIANCE MONITORING WELL (SURVEYED)
- h MW-32C MONITORING WELL (SURVEYED)
�..INVISTA
DUKE ENERGY PROGRESS
SW-CFUP ■ PE-SW2
PRODUCTION WELL (APPROXIMATE)
a
- _.. DUKE ENERGY PROGRESS
\ � PE-SW2
�,'�, „ PRODUCTION WELL ( SURVEYED)
\
DUKE ENERGY PROGRESS
BUTTON PLANT
1/2 MILE OFFSET FROM
a\ \ \ a_ ' ' COMPLIANCE BOUNDARY
LL
\ \
500 ft COMPLIANCE BOUNDARY
1500 ft OFFSET FOR UNDERGROUND
\ cPP�FEP UTILITY INFORMATION
?° \ WASTE BOUNDARY
MW-9
o \ \ \ \r 20 - CONTOUR MAJOR
I \ \ M-3BR MONITORING WELL LOCATION (SURVEYED)
\ , COOLING AB-1
POND SW-6A ABMW-1S ASH/SOIL BORING (AB) AND MONITORING
\\ \ \ \ WELL (ABMW) LOCATION (SURVEYED)
ABMW-1 D
?c PZ-6D
PZ-A _ '•
PZ-6S ao H2 \ \' \ \ \ SW-2 WATER QUALITY AND SEDIMENT LOCATION
Pz-B F.• ° \ \ / \. \ ®CUB-1 CONFINING UNIT ASSESSMENT BORING
MW-5B EXISTING MONITORING WELLS /
\ S (SURVEYED)
�� • OH2 \ PIEZOMETERS /SOIL BORING (S D)
Pz-9� Pz-12 2° PZ-12 WATER LEVEL PIEZOMETER
z° / NHaswa CFPUA PRODUCTION WELL (APPROXIMATE)
,O PZ-14 °'
�o, a PZ-11 m \` MINE BOUNDARY
PZ-1 s ` / INVISTA REPORTED PRODUCTION WELL
JAW-1 B \ \ �' „- �i:rii� • oH2
0. PZ-10D AW-1 C Zo - NPIDES LOCATION
\ • \ INSET A OUTFALL003 NPDES OUTFALL
PZ 16
MW-38B Wft , MW-13 - Z \ UPSTREAM SAMPLE LOCATION ON THE CAPE FEAR RIVER
'= MW-38C,• z° �° _ `s \ GRAPHIC SCALE ® BMW- ASH/SOIL BORING (AB) AND MONITORING
�° MW-38D O PZ-1a \. _ WELL (ABMW) -CLOSED
�9D
B 0PZ-15 30 \ ��\ \ 600 0 300 600 1200 BM
r- MW-27B 20 ° SMW-4B \ \ \\ (IN FEET) MW-39B
Pz-17 W-39C PROPOSED MONITORING WELL LOCATION
MW-27C MW-11 SMW-4C-
" w \ / \ \ MW-39D
suTTON LAnc .,. MV
M W-40 B
MW-40C
MW-40D PZ-4A
O PZ-5A
66,
r' 30
,
I
NPDES p GP-5
OUTFACE SW-002
HA-1-2 B 1
l HA-1-1
I
o `ytl0CPT-2-Y
n - Izr•
' ,. -- a •^, . � . . !
PZ-1B i _ PZ-19 PZ-21 AW-213
PZ �B MW-35B AW-2C
PZ-20
3PT-4
PZ-3A, MW-35C AW-2 D \
MW-34B a
20
PZ-2A PZ-26 MW-34C
20 AW-3C 3° \, \ \ V A \' \\ /�/ �� / SOURCES:
/,/ /V A'\
PZ 1 PZ 1B � \ ,\ / \\ �-, '\ /• / 1. 10 012A�RIAL PHOTOGRAPH WAS OBTAINED FROM WSP FLOWN ON APRIL
20 / / /'
AW-7B zo \� 2. 2013 AERIAL PHOTOGRAPH WAS OBTAINED FROM THE NRCS
PZ-22 AW-7D MW-31 B \ \ / GEOSPATIAL DATA GATEWAY AT http://datagateway.nres.usda.gov/
MW-31 C Ate'�,
-5B \ \ /' \ // 3. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA
zo SMW
SMW-5C / / STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD 83).
CPT-7A MW-24C \ �,/ \ /' / 4. PARCEL DATA WAS OBTAINED FROM THE NORTH CAROLINA STATE
20 2° LIBRARIES AT http://www.lib.ncsu.edu/gis/counties.html FOR NEW HANOVER
20 20 COUNTY.
PZ-3A 02DMW-6//A}}�� - \ j \1 \, ., 1: �. ! \ / 5. 2ft CONTOUR INTERVALS FROM NCDOT LIDAR DATED 2007
NEW ASH Pz-sB , & MW-6B — S. T. WOOTEN CORPORATION \/ \ / https://connect.ncdot.gov/resources/gis/pages/cont-elev_v2.aspx
Mw-6C SMW-6B
AS/N AREA 2° / \
SCPT-5A O
SPT-2 0
r.�
OLD ASH
BASIN ARE
GP-3 0
20 20 SMW-6D \ > / 1 /' / 6. WELL LOCATIONS AND MEASURING POINTS WERE BASED ON A SURVEY
z° \ \ BY JAMES L. HAINES & ASSOCIATES FOR ISH, INC. DATED DECEMBER 23,
2c so /'/ 2008. ISH DRAWING IS TITLED "POTENTIAL LOCATIONS FOR PROPOSED
GEOPROBE AND WELL INSTALLATIONS", DATED FEBRUARY 25, 2009 WITH
AW-6B \ / �' / /'^, / A CAD FILE NAME Figure 22.dwg
PZ-26 AW-6D \ \ \
SPT-6 Zo ryo AW-6E/ \ �` 7. NEW WELL LOCATIONS AND MEASURING POINTS WERE BASED ON A
TABLE BY PARAMOUNTE ENGINEERING, WILMINGTON NC DATED
o s do /o�% \ / / \ / / ` J2012-03-05 SUPPLIED BY PROGRESS ENERGY. HORIZONTAL DATUM IS
o MW-12 \�. / ° NAD83 NSRS2007 AND THE VERTICAL DATUM IS NGVD29.
SPT 4 3D 20 SMW-1 B
SMW-1 C / \ ./ / / / _ �Q 8. THE PROPERTY BOUNDARY FOR THE L.V. SUTTON STEAM ELECTRIC
A
PLANT WAS BASED ON A COMPOSITE MAP PREPARED BY
O SPT-7 �` /" a rI \ ° / �, / / \/ / DAVIS-MARTIN-POWELL & ASSOC., INC. THE DRAWINGS ARE DATED
Zo - zo' / / HOLDINGS /, / \ \ , / / ^�' /' JUNE, 1995 WITH REVISION NOTE FOR MARCH 4, 2004. FILE NAME IS
GP-6 PZ_4A ® MW-23C / / \ '\ /- \ / /� $ \ / /. L-D-9022-7.DWG. HORIZONTAL DATUM IS NAD83 AND THE VERTICAL
® SPTo,•PZ-4B { SMW-23D _ AW-4B j'/ \ \ < v \ / \ \ \. ; J� I / DATUM IS NGV 29.
AB-01 CPT-3 0 AW-4C ��� % \ ��
\/ \ /\ / / / 9. THE LOCATION OF THE FORMER ASH DISPOSAL AREAS WAS BASED ON
ABMW-01 S MW-23B MW-23E pZ-30 O /` / \ �s\ \ /-� \ \ �j A FIGURE 2-2 PREPARED BY BLASLAND, BOLICK & LEE, INC. THE FIGURE
2 O ABMW-01 D \2 0 \ % �� \� /
z° 20 ?o\ \ \ y /' I IS TITLED "HORIZONTAL EXTENT OF THE ASH WITHIN THE FORMER
za MW-2AmbLIF
MW-3A MW-36 ezzeLLileucKlNs �\ V �,/ / /A�/ DISPOSAL AREA".
Mw-2B - \ 10. MONITORING WELLS/PIEZOMETERS/SOIL BORINGS COMPLETED AT PART
PZ-1971 O MW-2C / SMW-2B \ / �� \
- � CPT-8 OF PREVIOUS ASSESSMENT ACTIVITIES. LOCATIONS ARE
MW-22C / S
SPT-3 O SCPT-1 MW-22B ! SMW-2C \ '\i' \ �� \ APPROXIMATE.
GP-1 O AW-5B 1 \ °� \ �, , i
/�./ \ \ �° \\ / NOTE:
O, Mw 1a AW-5C snuNOERsa
GP-4 O AW-5D SAUNDERS,LLc �/ \ ` \ j-/ / 1. CONTOUR LINES ARE USED FOR REPRESENTATIVE PURPOSES ONLY
MW-13 MW-13D ! - a ~ \ / \. / / AND ARE NOT TO BE USED FOR DESIGN OR CONSTRUCTION PURPOSES.
3° AW-5E
MW 21C MW-19 ° I SMW-3B / / i GRAPHIC SCALE
Z0 -
-
o� / 4# 600 0 300 600 1200
Mw-17 O MW-32C N�oPEa �5%\ y j SMW-3Cj / / \ i i ( / 1 <0
20
MW-33C P��O/ jo' / (IN FEET)
p
ABSOLUTE — I
MW-28B PROPERTIES , �MAOLA MILK& �� V ` 41P
MW-28T MW-28C /( you CECREAM CO. \ \ ./� �/ , I \
__ O I I i
AB-2 0 MW-14 \ FP \'YMPco% I ♦ \
NHC S W3
ABMW-2S 20 0o ROYMAC \, sq , I
20 BUSINESS NHC-SW4 " , I I I / •1• i,- - \ „• . ::
ABMW-2D SOLAR PARK
,o MW-16 10 FARM A \ I I7�NI FORMER ASH MW-16D ,`. NHC-SW1 ! / ♦ ♦ ti/ ;' \DISPOSAL AREA'(ABANDONED) m/ / ;APPROXIMATE ROUTE OF THE
C MW_7A NHC-SW2 oP ♦ , — NEW WILMINGTON BYPASS (I 140)
1 M W-713 O S B-2 (NOT IN USE) o�No4#
AST CO PADETE -'" ''{ MW-7C NEW HANOVER COUNTY �o�\ \\ 0 0 i
_ 4 \ Q-• .\
MW-15 MW-15D ' CFPUA ♦ I \
40' If
MW-20 ,o ,o a " -- -- O\
- : 148 River Street, Suite 220
MW-20D , , / y
—__ _ \ \ Greenville, South Carolina 29601
PE-SW2 ■ y'/� ,' ; 864-421-9999
m 0 AW-96
o r CSRI
AROAD ♦ \\\
\ www.synterracorp.comOgp AW-9C ■
° - AW-9D PE SW4 PE�SW5 ♦ - — �i \ DATE: 5/22/2015
\
7p o �o \ �' z'0 PE-SW6A ■ FA® CUB-5 --�' \ \ DRAWN BY: C. NEWELL
-___ /
�a PE-SW6B ♦ ♦ SUTTON STEAM PLANT RD \ \
\ CHECKED BY: P WALDREP DATE' 5/22/2015
1�on PE S; 6D ♦
—_� \ \ PROJECT MANAGER: KATHY WEBB
CUB-1 \
1 �' lo ■ PE SW3 i I �" .' - ' -
LAYOUT NAME: FIGURE 12
SW-CF001 OUTFALLSW-00It
° •,o. - PE_SW6E �\ 1 CUB-3
70 O
/+ �� s
- - � o — ' 7p J* / - - ! CUB-2 O 4r
' 1
DUKE
i ♦� i CUB
1 - 411,
! ENERGY®
° .:.� CUB-7 \ - \ PROGRESS
.
i , i �\ y _ L.V. SUTTON ENERGY COMPLEX
/ i i -* Mw 4 �' \ 801 SUTTON STEAM PLANT RD
0 0
°'; ` MW 4B O PZ-11D ` \ \ -- — — — \ \ WILMINGTON, NORTH CAROLINA
10 u . .`ti• .. ----
-—
♦ ♦ Vim'
I \
CUB-8 (9 MW-37B \ FIGURE 1-2
✓\
♦ , MW-37C
#
♦���' MW-37CD SEE INSET B (THIS FIGURE) FOR
00'♦� MW-37D MORE CUB SAMPLE LOCATIONS. \ \ SITE LAYOUT MAP
o ♦00�.0 MW-37E'� \ \
GP-

a- `b
0 NM
\\NVISTA1
MW-5A®M751 \ ,ry
MW 5C
10.00 P
0
•IYVISTA2
;DOLING POND \fro
-
MW-9
NM
5 \
\
PZ-6D �srn s
PZ-6S
\
1
.(. AW-028C
10.5
dPZ-1D� 0INVISTA4
APZ-1 r� :r- ®_--
0
IW-11
JE,
27
WNM AW-02C NM
MW-35B0 AAW-02D •lluvlsrns
PZ-1B
MW-34B MW-35C
GWPZ-2A 0 � MW-34C \
GWPZ-2B LA-PZ-2 0 AW-03B
AW-03C /
NM \
NEW ASH VDND AREA - LINED
0 PZ-I NT
GWPZ-3A 0 GWPZ-3B
F�
LEGEND
7AMW-15S
BGMW-10
73.01
ASSESSMENT WELL WELL
WATER LEVEL ELEVATION IN FEET (msl.)
BACKGROUND COMPLIANCE WELL
WATER LEVEL IN FEET (msl.)
y
CMW-6R
69.12
DOWNGRADIENT COMPLIANCE WELL
WATER LVEL ELEVATION IN FEET (msl.)
DMW-1
MONITORING WELL
66.84 WATER LVEL ELEVATION IN FEET (msl.)
.A
WATER LEVEL CONTOUR IN FEET (msl.)
INFERRED WATER LEVEL CONTOUR (msl.)
DUKE ENERGY PROGRESS
500 ft COMPLIANCE BOUNDARY
WASTE BOUNDARY
PARCEL LINE (APPROXIMATE)
r© WOOTEN PRODUCTION WELL (APPROXIMATE)
. DUKE ENERGY PROGRESS
�\ 1 PESw2 PRODUCTION WELL (APPROXIMATE)
A NHCSW4 CFPUA PRODUCTION WELL(APPROXIMATE)
EDR 3 EDR REPORTED WELL LOCATION (APPROXIMATE)
r OINVISTA3 INVISTA PRODUCTION WELL (APPROXIMATE)
SOURCES:
1. 2014 AERIAL PHOTOGRAPH WAS OBTAINED FROM WSP FLOWN ON APRIL 17, 2014
P.
•
,f 2. MAY 23, 2014 AERIAL PHOTOGRAPH WAS OBTAINED FROM THE NRCS GEOSPATIAL DATE
GATEWAY AT http.11datagate y.nics.uada.gav1
3. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANE
COORDINATE SYSTEM RIPS 3200 HORIZONTAL DATUM (NAD 83) AND VERTICAL DATUM
(NGVD88).
4. PARCEL DATA WAS OBTAINED FROM THE NORTH CAROLINA STATE LIBRARIES AT
http:/Aw .lib.ncsu.edu/gis/-unYes.html FOR NEW HANOVER COUNTY.
5. NEW WELL LOCATIONS SURVEYED BY McKIM & CREED. HORIZONTAL DATUM IS NAD83
AND THE VERTICAL DATUM IS NGVD88
6. WELL LOCATIONS AND MEASURING POINTS WERE BASED ON A SURVEY BY JAMES L.
HAINES & ASSOCIATES FOR ISH INC DATED DECEMBER 23 2008. ISH DRAWING IS
TITLED "POTENTIAL LOCATIONS FOR PROPOSED GEOPROBE AND WELL
INSTALLATIONS", DATED FEBRUARY 25, 2009 WITH A CAD FILE NAME Figure 22.dwg
7. WELL LOCATIONS AND MEASURING POINTS WERE BASED ON ATABLE BY PARAMOUNTI
ENGINEERING, WILMINGTON NC DATED 2012-03-05 SUPPLIED BY PROGRESS ENERGY.
HORIZONTAL DATUM IS NAD83(NSRS2007) AND THE VERTICAL DATUM IS NGVD29.
8. THE PROPERTY BOUNDARY FOR THE L.V. SUTTON STEAM ELECTRIC PLANT WAS BASED
ON A COMPOSITE MAP PREPARED BY DAVIS-MARTIN-POWELL 8 ASSOC., INC. THE
DRAWINGS ARE DATED JUNE, 1111 WITH REVISION NOTE FOR MARCH 4, 2004. FILE
NAME IS L-D-9022-7.DWG. HORIZONTAL DATUM IS NAD83 AND THE VERTICAL DATUM IS
NGV 29.
9. THE LOCATION OF THE FORMER ASH DISPOSAL AREAS WAS BASED ON A FIGURE 2-2
PREPARED BY BLASLAND, BOUCK & LEE, INC. THE FIGURE IS TITLED -HORIZONTAL
EXTENT OF THE ASH WITHIN THE FORMER DISPOSAL AREA".
10. MONITORING WELLS/PIEZOMETERS/SOIL BORINGS COMPLETED AS PART OF PREVIOUS
ASSESSMENT ACTIVITIES, LOCATIONS ARE APPROXIMATE.
v AW-04C - - -o m
SMW-02C_
OLD ASH ND AREA _ 13.26
.
ati r..� pa MW 22B O NM 0 SMW-028
-13
MW-18 0 �- LA PZ 510 AW 05D ( ,
MW-19 AW 05E
.rA,. NM 0 MW-32C 0 -
It
t NM
ABMW-02D -
7.50 ABMW-02S MW 2 T
®®MW-28B
[MW-14
(� I L C
cR
FIGURE 2-1
POTENTIOMETRIC SURFACE
LOWER SURFICIAL AQUIFER
DECEMBER 3-4, 2015
DUKE ENERGY PROGRESS
WILMINGTON, NORTH CAROLINA
GRAPHIC SCALE
500 0 500 1000
IN FEET
148 RIVER STREET, SUITE 220
16 GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
www.synterracorp.com
SynTerra DRAWNBY:BENJAMINYOUNG DATE:01/25/2016
CHECKED BY: BENJAMIN YOUNG DATE: 01/25/2016
PROJECT MANAGER: PERRY WALDRAP
LAYOUT: FIG (LOWER SURFICIALAOUIFER-DEC)
SMW-036
12
SMW-03C 90 yj
�- NM
V :NHC-SW3 ROYMAC DR � �
\.) ~ NHCSW4 �c `
\ NHC-SW - �'-
\ (NOT IN USE)
PE SW4
PE-SW6 0PE-SWGA
PE SW6B •
PE-S W60♦�+
PE SlN6�r
M W-4A 0 M W-4
M
MW-37B 0 MW-37C
9.07
A•:
;1PPROXIMATE ROUTE OF THE NE1A'
WILLMINGTON BYPASS (1-140 :im
\
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�, I ��� 1 / \ PROPOSED WATERLINE
! 1 � t ;� �' , I RIVER CROSSING TIE-IN
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14xcl=Ill1�
-0- MW-4B
BACKGROUND MONITORING WELL (SURVEYED)
MW-27B
COMPLINACE MONITORING WELL (SURVEYED)
MW-32C
MONITORING WELL (SURVEYED)
� PRW-1
POSSIBLE WATER SUPPLY WELL
DW-1
0
REPORTED/OBSERVED WATER SUPPLY WELL
571
WATER SUPPLY WELL OR SPRING REPORTED
BY PROPERTY OWNER
® EDR 3
EDR REPORTED SUPPLY WELL (APPROXIMATE)
■ PE-SW2
DUKE ENERGY PROGRESS PRODUCTION
WELL (APPROXIMATE)
PE-SW2
DUKE ENERGY PROGRESS
PRODUCTION WELL (SURVEYED)
NHC-SW4
CFPUA PRODUCTION WELL (APPROXIMATE)
• OH2
INVISTA REPORTED PRODUCTION WELL
LOCATION
=
HALF MILE SURVEY BOUNDARY
DUKE ENERGY PROGRESS SUTTON PLANT
500 ft COMPLIANCE BOUNDARY
WASTE BOUNDARY
20 2007 LiDAR CONTOUR MAJOR
---------- 2007 LiDAR CONTOUR MINOR
------- PARCEL LINE (NEW HANOVER CO GIS)
NEW HANOVER COUNTY WATERLINE
w-w_ (APPROXIMATE)
POTENTIAL AREA OF INTEREST
(APPROXIMATE)
GENERALIZED GROUNDWATER FLOW
DIRECTION
• SUPPORTED BY GROUNDWATER ELEVATION DATA
OR TOPOGRAPHIC DATA
• S18 WATER SUPPLY WELL SAMPLED AT OWNERS
REQUEST
SOURCES:
1. 2014 AERIAL PHOTOGRAPH WAS OBTAINED FROM WSP FLOWN ON
APRIL 17, 2014
2. 2013 AERIAL PHOTOGRAPH WAS OBTAINED FROM THE NRCS GEOSPATIAL DATA
GATEWAYAT http://datagateway.nres.usda.gov/
3. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE
PLANE COORDINATE SYSTEM FIPS 3200 (NAD 83).
4. PARCEL DATA WAS OBTAINED FROM THE NORTH CAROLINA STATE LIBRARIES AT
http://www.lib.ncsu.edulgislcounties.html FOR NEW HANOVER COUNTY.
5. 2ft CONTOUR INTERVALS FROM NCDOT LIDAR DATED 2007
https://connect.ncdot.gov/resources/gis/pages/cont-elev_v2.aspx
6. WELL LOCATIONS AND MEASURING POINTS WERE BASED ON A SURVEY BY
JAMES L. HAINES & ASSOCIATES FOR ISH, INC. DATED DECEMBER 23, 2008.
ISH DRAWING IS TITLED "POTENTIAL LOCATIONS FOR PROPOSED GEOPROBE
AND WELL INSTALLATIONS", DATED FEBRUARY 25, 2009 WITH A CAD FILE NAME
FIGURE 22.DWG
7. NEW WELL LOCATIONS AND MEASURING POINTS WERE BASED ON A TABLE BY
PARAMOUNTE ENGINEERING, WILMINGTON INC DATED 2012-03-05 SUPPLIED
BY PROGRESS ENERGY. HORIZONTAL DATUM IS NAD83(NSRS2007) AND THE
VERTICAL DATUM IS NGVD29.
8. THE PROPERTY BOUNDARY FOR THE L.V. SUTTON STEAM ELECTRIC PLANT WAS
BASED ON A COMPOSITE MAP PREPARED BY DAVIS-MARTIN-POWELL & ASSOC.,
INC. THE DRAWINGS ARE DATED JUNE, 1995 WITH REVISION NOTE FOR MARCH
4, 2004. FILE NAME IS L-D-9022 7.DWG. HORIZONTAL DATUM IS NAD83 AND
THE VERTICAL DATUM IS NGV 29.
9. THE LOCATION OF THE FORMER ASH DISPOSAL AREAS WAS BASED ON A FIGURE
2-2 PREPARED BY BLASLAND, BOUCK & LEE, INC. THE FIGURE IS TITLED
"HORIZONTAL EXTENT OF THE ASH WITHIN THE FORMER DISPOSAL AREA"
NOTE:
1. CONTOUR LINES ARE USED FOR REPRESENTATIVE PURPOSES ONLY AND ARE
NOT TO BE USED FOR DESIGN OR CONSTRUCTION PURPOSES.
2. DISPLAYED WATER SUPPLY WELL OR SPRING LOCATIONS ARE
APPROXIMATE.
GRAPHIC SCALE
800 0 400 800 1600
I
(IN FEET)
(
.1 , rra
- 148 River Street, Suite 220
Greenville, South Carolina 29601
864-421-9999
www.synterracorp.com
DRAWN BY: K. ST.CYR I DATE: 2015-10-30
CHECKED BY: H. FRANK I DATE: 2015-10-30
PROJECT MANAGER: KATHY WEBB
LAYOUT NAME: FIG 1-3 (DRINKING WATER SUPPLY WELL & REC SURVEY)
DUKE
ENERGY®
PROGRESS
L.V. SUTTON ENERGY COMPLEX
801 SUTTON STEAM PLANT RD
WILMINGTON, NORTH CAROLINA
FIGURE 6-1
DRINKING WATER WELL AND
RECEPTOR SURVEY
UPDATED JULY 2015

200.0
180.0
160.0
140.0
J
a+ 120.0
7.
C
O
100.0
L
Y
C
� p
= 80.0
O
V
.1 1
40.0
20.0
n=2
n=4 n=10 n=12 n=23 n=5 n=7 n=8
IL
Ash Pore Beneath Basin 0-500' 500-1000' 1000-1500' 1500-2000' 2000-2500' 2500-3000'
Distance from Waste Boundary (ft)
--'—Arsenic (Ng/L) Comparative Value* = 10 pg/L
Note:
* = 2L Standard
FIGURE 6-2
148 GREEN ILLE,SSTREET, SUITE ROLL GEOMETRIC MEANS OF ARSENIC
GREENVILLE, SOUTH CAROLINA 29601
\\//�,(VIP PHONE[phone] FROM DOWNGRADIENT WELLS
■ ■���� www synterracorp.com
DRAWN BY: KBERNIER DATE: JANUARY 2016 L.V. SUTTON ENERGY COMPLEX
PROJE
\ CT MANAGER: PWALDREP LAYOUT: WILMINGTON, NORTH CAROLINA
FILE PATH'. P'.\Duke Energy P,gress.1026\106. S,[ Ash Basin GW
Assessment Plan\20.EG GARGAP Part 2\Figures\Final

1200.0
1000.0
800.0
a1I1xt
200.0
0.0
n=2
n=12
�n=4
n=23
n=5
n=7
n=8
n=10
Ash Pore Beneath Basin 0-500' 500-1000' 1000-1500' 1500-2000'
Distance from Waste Boundary (ft)
--Boron (fag/L) Comparative Value* = 700 fag/L
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
synTerm � OUTT MANAGER:EP WALDREP ATE JANUARY 2016
FILE PATH: P:\Duke Energy Progmss.1026\108. Sutton Ash Basin GW
Assessment Ptm120.EG_CAMCAP PM 2\Figures\Final
2000-2500' 2500-3000'
Note:
* = 2L Standard
FIGURE 6-3
GEOMETRIC MEANS OF BORON
FROM DOWNGRADIENT WELLS
L.V. SUTTON ENERGY COMPLEX
WILMINGTON, NORTH CAROLINA

3
2
1
0
n=10
n=12
n = 4/
n=8
n=2
\Vn = 2 3
n=5
/n—
Ash Pore Beneath Basin 0-500' 500-1000' 1000-1500' 1500-2000' 2000-2500' 2500-3000'
Distance from Waste Boundary (ft)
--*—Cobalt (Ng/L) Comparative Value* = 1 pg/L
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
\\//�,(VIP PHONE [phone]
■ ■���� www synterracorp.com
DRAWN BY: K BERNIER DATE: JANUARY 2016
PROJE
\ CT MANAGER: P WALDREP
LAYOUT:
FILE PATH'. P'.\Duke Energy Progress1026\10& S,[ Ash Basin GW
Assessment Plan\20.EG GARGAP Part 2\Figures\Final
Note:
* = IMAC Standard
FIGURE 6-4
GEOMETRIC MEANS OF COBALT
FROM DOWNGRADIENT WELLS
L.V. SUTTON ENERGY COMPLEX
WILMINGTON, NORTH CAROLINA

2500
2000
J
s 1500
c
O
M
L
c
c 1000
O
U
500
n
n=7
n=2
I
n=23
n=4
n=8
n=10
n=12
n=5
Ash Pore Beneath Basin 0-500' 500-1000' 1000-1500' 1500-2000' 2000-2500' 2500-3000'
Distance from Waste Boundary (ft)
—'—Iron (pg/L) Comparative Value** = 687 pg/L Note:
** = Provisional Background
FIGURE 6-5
148 GREEN ILLE,SSTREET, SUITE ROLL GEOMETRIC MEANS OF IRON
GREENVILLE, SOUTH CAROLINA 29601
\\//�,(VIP PHONE[phone] FROM DOWNGRADIENT WELLS
■ ■���� www synterracorp.com
DRAWN BY: KBERNIER DATE: JANUARY 2016 L.V. SUTTON ENERGY COMPLEX
PROJE
\ CT MANAGER: P WALDREP LAYOUT: WILMINGTON, NORTH CAROLINA
FILE PATH'. P'.\Duke Energy P,grese.1026\106. S,[ Ash Basin GW
Assessment Plan\20.EG GARGAP Part 2\Figures\Flnal

300
250
200
J
01
7.
v
c
0
'+r 150
M
L
C
a�
v
c
0
U
100
50
0
n=2
n=7
n=4
n=23
n=8
n=10
n=12
n=5
Ash Pore Beneath Basin 0-500, 500-1000, 1000-1500' 1500-2000' 2000-2500' 2500-3000'
Distance from Waste Boundary (ft)
--Manganese (Ng/L) Comparative Value* = 50 pg/L
161
synTerra
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
DRAWN BY: K BERNIER DATE: JANUARY 2016
PROJECT MANAGER: P WALDREP
LAYOUT:
FILE PATH: P:\Duke Energy Pmgmss.1026\108. Sutton Ash Basin GW
Assessment Ptm\20.EG_CAMCAP PM 2\Figures\Fina1
Note:
* = 2L Standard
FIGURE 6-6
GEOMETRIC MEANS OF MANGANESE
FROM DOWNGRADIENT WELLS
L.V. SUTTON ENERGY COMPLEX
WILMINGTON, NORTH CAROLINA

300
250
200
J
11
C1
E
r_ 150
0
�a
L
C
v
0 100
U
50
0
n=2
n=4
n=6
n=12
n=23
n=8
n=5 n=7
Ash Pore Beneath Basin 0-500' 500-1000' 1000-1500' 1500-2000' 2000-2500' 2500-3000'
Distance from Waste Boundary (ft)
--Sulfate (mg/L) -Comparative Value* = 250 mg/L Note.
* = 2L Standard
FIGURE 6-7
148 GREEN ILLE,SET,SUITE AROLI GEOMETRIC MEANS OF SULFATE
GREENVILLE, SOUTH CAROLINA 29601
tip PHONE[phone] FROM DOWNGRADIENT WELLS
synTerra PROD s nterracorp com
DRAWN BY: KBERNIER DATE: JANUARY 2016 L.V. SUTTON ENERGY COMPLEX
PROJECT MANAGER: P WALDREP LAYOUT: WILMINGTON, NORTH CAROLINA
FILE PATH: P:\Duke Energy Pmgmss.1026\106. Sutton Ash Basin GW
Assessment Ptm\20.EG_CAMCAP PM 2\Figures\Final

600
500
400
J
01
E
C 300
0
m
L
c
v
v
c 200
U
100
0
n=2
n=4
n=6
n=12
n=23
n=5
n=7
n=8
Ash Pore Beneath Basin 0-500' 500-1000, 1000-1500' 1500-2000' 2000-2500' 2500-3000'
Distance from Waste Boundary (ft)
`—TDS (mg/L) Comparative Value*= 500 mg/L Note:
* = 2L Standard
FIGURE 6-8
148 GREEN ILLE,SET,SUITE AROLI GEOMETRIC MEANS OF TDS
GREENVILLE, SOUTH CAROLINA 29601
PHONE[phone] FROM DOWNGRADIENT WELLS
synTerra PROD s nterracorp com
DRAWN BY: KBERNIER DATE: JANUARY 2016 L.V. SUTTON ENERGY COMPLEX
PROJECT MANAGER: P WALDREP LAYOUT: WILMINGTON, NORTH CAROLINA
FILE PATH: P:\Duke Energy Pmgmss.1026\106. Sutton Ash Basin GW
Assessment Ptm\20.EG_CAMCAP PM 2\Figures\Final

2.5
2.0
0.5
0.0
n=2
n=9
Vn=4
n=9
n=21
n=7
n=4
n=6
Ash Pore Beneath Basin 0-500' 500-1000' 1000-1500' 1500-2000' 2000-2500' 2500-3000'
Distance from Waste Boundary (ft)
—*—Vanadium (ug/L) Comparative Value* = 0.3 ug/L Note:
* = IMAC Standard
FIGURE 6-9
148 GREEN ILLE,SSTREET, SUITE ROLL GEOMETRIC MEANS OF VANADIUM
GREENVILLE, SOUTH CAROLINA 29601
\\//�,trip PHONE[phone] FROM DOWNGRADIENT WELLS
■ ■���� www synterracorp.com
DRAWN BY: KBERNIER DATE: JANUARY 2016 L.V. SUTTON ENERGY COMPLEX
PROJE
\ CT MANAGER: P WALDREP LAYOUT: WILMINGTON, NORTH CAROLINA
FILE PATH'. P'.\Duke Energy Progress. 1026\106. S,[ Ash Basin GW
Assessment Plan\20.EG GARGAP Part 2\Figures\Fina1

R
MEN
.. 40
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o�
E
" 30
c
0
m
L
C 20
V
C
0
U
10
= 10
0,
0 100 200 300 400 500 600
Aqueous Concentration (Ng/L)
Soild and Aqueous Detected J Soild or Aqueous is Not Detected Linear (Soild and Aqueous Detected)
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
\\//�,(VIP PHONE [phone]
■ ■���� www synterracorp.com
DRAWN BY: K BERNIER DATE: JANUARY 2016
PROJE
\ CT MANAGER: P WALDREP
LAYOUT:
FILE PATH'. P'.\Duke Energy P,grese.1026\10& S,[ Ash Basin GW
Assessment Plan\20.EG GARGAP Part 2\Figures\Final
FIGURE 6-10
SORPTION DATA - ARSENIC
700
L.V. SUTTON ENERGY COMPLEX
WILMINGTON, NORTH CAROLINA

50
45
40
35
J 30
Cm
E 25
c
0 20
�a
15
a�
V
c 10
O
U
;a 5
0
0
0 500 1000 1500 2000 2500 3000 3500 4000
Aqueous Concentration (Ng/L)
■ Soild and Aqueous Detected a Soild or Aqueous is Not Detected
,trip
synTerra
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
DRAWN BY: K BERNIER DATE: JANUARY 2016
PROJECT MANAGER: P WALDREP
LAYOUT:
FILE PATH'. P'.\Duke Energy Progress. 1026\108. Sutton Ash Basin GW
Assessment Plan\20.EG GARGAP Part 2\Figures\Final
Linear (Soild and Aqueous Detected)
FIGURE 6-11
SORPTION DATA - BORON
4500
L.V. SUTTON ENERGY COMPLEX
WILMINGTON, NORTH CAROLINA

20000
:111
16000
14000
0 12000
m
10000
w
U
0 8000
U
6000
0
V)
�DIlIl7
2000
0
I
0 5000 10000 15000 20000 25000 30000
Aqueous Concentration (Ng/L)
■ Soild and Aqueous Detected Linear (Soild and Aqueous Detected)
FIGURE 6-12
GR RIVER STREET, SUITEROLL SORPTION DATA - IRON
GRENE 864 4 SOUTH CAROLINA 29601
�\\\//��r�� ,(VIP PHONE [phone]
■ ■���� www synterracorp.com
DRAWN BY: KBERNIER DATE: JANUARY 2016 L.V. SUTTON ENERGY COMPLEX
PROJECT MANAGER: PWALDREP LAYOUT: WILMINGTON, NORTH CAROLINA
FILE PATH'. P'.\Duke Energy P,grese.1026\106. S,[ Ash Basin GW
Assessment Plan\20.EG GARGAP Part 2\Figures\Final

250
200
150
Cn
C
O
i 100
C
(U ■
U
C ■
O
50 ■
0
cn ■
0 - ■
0 200 400 600 800 1000 1200 1400 1600 1800 2000
Aqueous Concentration (Ng/L)
■ Soild and Aqueous Detected Linear (Soild and Aqueous Detected)
FIGURE 6-13
148 GREEN ILLE,SSTREET, SUITE ROLL SORPTION DATA - MANGANESE
GRENE 864 4 SOUTH CAROLINA 29601
�\\\//��r�� ,(VIP PHONE [phone]
■ ■���� www synterracorp.com
DRAWN BY: KBERNIER DATE: JANUARY 2016 L.V. SUTTON ENERGY COMPLEX
PROJECT MANAGER: P WALDREP LAYOUT: WILMINGTON, NORTH CAROLINA
FILE PATH'. P'.\Duke Energy P,grese.1026\106. S,[ Ash Basin GW
Assessment Plan\20.EG GARGAP Part 2\Figures\Final

90
■
80
70
E 60
c
0 50
m
c
40
0
U
0 30
U
5 20 O
10
°a a ■ a
0
0 0.5 1 1.5 2 2.5 3 3.5 4
Aqueous Concentration (Ng/L)
■ Soild and Aqueous Detected Soild or Aqueous is Not Detected Linear (Soild and Aqueous Detected)
FIGURE 6-14
148 GREEN ILLE,SSTREET, SUITE ROLL SORPTION DATA - VANADIUM
GRENE 864 4 SOUTH CAROLINA 29601
�\\\//��r�� ,(VIP PHONE [phone]
■ ■���� www synterracorp.com
DRAWN BY: KBERNIER DATE: JANUARY 2016 L.V. SUTTON ENERGY COMPLEX
PROJECT MANAGER: P WALDREP LAYOUT: WILMINGTON, NORTH CAROLINA
FILE PATH'. P'.\Duke Energy Progress. 1026\106. S,[ Ash Basin GW
Assessment Plan\20.EG GARGAP Part 2\Figures\Flnal

ac 2
Governing Equation R D--V—
at = D axz - v ax
c(x, 0) = Ci
c(0 t) -
foCo 0<t<-to
t > to
ac
ax (00' t) = 0
Ci+(Co -Ci)A(x,t) 0 < t <- to
c(x't) _ 1Cj + (Co - Ci) A(x, t) - (Co - Ci) A(x, t - to) t > to }
Where:
1 Rx - vt 1 Rx + vt
A(x, t) _ - er f c 1 + -exp ("X)—er f c 1
2 2 (DRt)- 2 D 2 (DRt)'
where:
c(x,t) = concentration at a distance x from the source area and a time t
c; = background concentration
co = source concentration
v = groundwater velocity (v=ki/n)
t = time
to = time when source is terminated
x = distance from source
D = dispersion
R = retardation factor
erfc = complementary error function
exp = exponent
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
\\//�,trip PHONE [phone]
■ ■���� www synterracorp.com
DRAWN BY: K BERNIER DATE: JANUARY 2016
PROJE
\ CT MANAGER: P WALDREP
LAYOUT:
FILE PATH'. P'.\Duke Energy P,grese.1026\10& S,— Ash Basin GW
Assessment Plan\20. EG GARGAP Part 2\Figures\Final
FIGURE 6-15
ONE DIMENSIONAL CONVECTIVE -
DISPERSIVE SOLUTE TRANSPORT WITH
SOURCE TERM AND
SORPTION PROPERTIES

4,500
4,000
3,500
3,000
c
0
i 2,500
c
2,000
0
U
c 1,500
0
L.
0
Co 1,000
500
0
0 50 100 150 200 250 300
Time Since Plant Start Up (yrs)
(Comparative Value 700 ug/L - Kd = OmL/g tKd = 1mL/g
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
\\//�,(VIP PHONE [phone]
■ ■���� www synterracorp.com
DRAWN BY: K BERNIER DATE: JANUARY 2016
PROJE
\ CT MANAGER: P WALDREP
LAYOUT:
FILE PATH'. P'.\Duke Energy P.gr— 1026\108. S,— Ash Basin GW
Assessment Plan\20. EG GARGAP Part 2Tip—\Fina1
Kd = 2mL/g
FIGURE 6-16
CONCENTRATION OF BORON AT
THE EDGE OF COOLING POND,
COMPARING Kd
L.V. SUTTON ENERGY COMPLEX
WILMINGTON, NORTH CAROLINA

10,000
1,000
100
10
1
0 200 400 600 800 1000
Comparative Value Boron 700 ug/L
tip
synTerra
Time Since Plant Start Up (yrs)
Comparative Value 10 ug/L
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
DRAWN BY: K BERNIER DATE: JANUARY 2016
PROJECT MANAGER: P WALDREP
LAYOUT:
FILE PATH: PADuke Energy Progress.1026M& Sutton Ash Basin GW
Assessment PtmQO.EG_CAMCAP PM 2\Figures\Final
Arsenic, Kd = 9mL/g Boron, Kd = OmL/g
FIGURE 6-17
CONCENTRATION OF BORON AND
ARSENIC AT THE EDGE OF COOLING
POND
L.V. SUTTON ENERGY COMPLEX
WILMINGTON, NORTH CAROLINA

4,500
4,000
o- 3,500
an
3,000
c
O
2,500
L
C
2,000
C
O
U
c 1,500
O
L.
O
500
C1;
`_-
0 50 100 150 200 250 300
Distance from Ash Basin to Cooling Pond (ft)
Comparative Value 700 ug/L Edge of Cooling Pond 46 years (2016 current conditions)
tip
synTerra
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
DRAWN BY: K BERNIER DATE: JANUARY 2016
PROJECT MANAGER: P WALDREP
LAYOUT:
FILE PATH'. P'.\Duke Energy Progress. 1026\108. S,— Ash Basin GW
Assessment Plan\20. EG CAP\CAP Part 2\Figures\Final
50 years 60 years
FIGURE 6-18
CONCENTRATION OF BORON FROM
ASH BASIN TO COOLING POND AT
46, 50, AND 60 YEARS
L.V. SUTTON ENERGY COMPLEX
WILMINGTON, NORTH CAROLINA

250
., 200
U
�l1J
I
0 50 100 150 200 250 300
Distance from Ash Basin to Cooling Pond (ft)
Comparative Value 10 ug/L
,tip
synTerra
Edge of Cooling Pond 50 years
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
www.synte'racorp.com
DRAWN BY: K BERNIER DATE: JANUARY 2016
PROJECT MANAGER: P WALDREP
LAYOUT:
FILE PATH: PADuke Energy Pmgmss.1026M& Sutton Ash Basin GW
Assessment Ptm120.EG_CAMCAP PM 2\Figures\Final
200 years 400 years
FIGURE 6-19
CONCENTRATION OF ARSENIC
FROM ASH BASIN TO COOLING
POND AT 50, 200, AND 400 YEARS
L.V. SUTTON ENERGY COMPLEX
WILMINGTON, NORTH CAROLINA

4,500
4,000
3,500
m
3,000
c
0
2,500
L
u 2,000
c
0
U
= 1,500
0
L.
0
m 1,000
500
0
0 1000 2000 3000 4000 5000
Distance from Ash Basin to Northeast Cape Fear River Floodplain (ft)
Comparative Value= 700ug/L Edge of Cape Fear River Floodplain (1 mile) 46 years (2016 conditions)
tip
synTerra
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
DRAWN BY: K BERNIER DATE: JANUARY 2016
PROJECT MANAGER: P WALDREP
LAYOUT:
FILE PATH: P \Duke Energy Progress1026\108. Sudan Ash Basin GW
Assessment Plan\20. EG_CAP\CAP Part "Rg—,\Final
70 years 100 years
FIGURE 6-20
CONCENTRATION OF BORON FROM ASH
BASIN TO NORTHEAST CAPE FEAR
RIVER FLOODPLAIN AT
46, 70, AND 100 YEARS
L.V. SUTTON ENERGY COMPLEX
WILMINGTON, NORTH CAROLINA

Boron - No Source Control - 2020 Boron - Cap in Place - 2020 Boron - Ash Removal - 2020
w
- .d s
i
. F
Wel
. •,;` 4
`.44 \ 11 7
.Q +
i
,
t
a
1 � s
i"Illell 2 µ,me.,&4,::•-
i t — n
4F y
.s
T4 Boron - No Source Control - 2045 •, Boron - Cap in Place - 2045 wl �' Boron - Ash Removal - 2045
I
,
iy1' x
� 4'.
,, '... _ t -'. �, � _ W ..+ '- .�, `. �.. •: {.� '. , ' � * Well 661
P ■u t,
W
I �J
y
a
7
FIGURE 6-21
PREDICTED LOCATION OF BORON PLUME
148 GREEN ILLS, S ET, SUITEROLL FOR EACH MODELLED CORRECTIVE ACTION
GREENVILLE, SOUTH CAROLINA 29601
tip PHONE[phone] SURFICIAL AQUIFER
www.synterracorp.com L.V. SUTTON ENERGY COMPLEX
synTerra DRAWNBY EAGER: T DATE JAN2016 801 BUTTON STEAM PLANT ROAD
PROJECT AWNBY:ANAGER: P. WALDREP
LAYOUT: WILMINGTON NORTH CAROLINA 28401
FILEPATH: P 77 Energy Progress.1026\108. Sutton Ash Hasin GW Assessment Plan\20 EG CAP\CAP Patt 2\Figures\Final

1*
70
We
50
40
20
10
0
-400 -300 -200 -100 0
Note: *Base graph from Appendix C, Figure 2.4
100 200 300 400 500 600 700 800
EH (mV)
tip
synTerra
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
www.synterracorp.com
DRAWN BY: K BERNIER DATE: JANUARY 2016
PROJECT MANAGER: P WALDREP
LAYOUT:
FILE PATH: P:\Duke Energy Prog.-1026\108. Sutton Ash Basin GW
Assessment PIan\20.EG_CAMCAP Pm 2\Figures\Final
Histogram*
Eh + 1 Std. Dev.*
EH mean value*
Eh - 1 Std. Dev.*
o Mean Eh Sutton
FIGURE 6-22
FREQUENCY OF Eh OCCURRENCE IN
GROUNDWATER — SUTTON
L.V. SUTTON ENERGY COMPLEX
WILMINGTON, NORTH CAROLINA

50
45
40
35
a�
30
i
25
U
O
p 20
i2
15
10
5
0
2 3 4 5 6
Note: *Base graph from Appendix C, Figure 2.5
,tip
synTerra
♦ ♦♦
♦ ♦♦♦ ♦♦ ♦♦♦
Histogram*
pH + 1 SD*
pH mean value*
pH - 1 SD*
o Mean pH Sutton
7 8 9 10
11 12
pH
FIGURE 6-23
FREQUENCY OF pH OCCURRENCE IN
148 REET, SUITE 220
GR EINVL ET SOUTH CAROLNA29601
GROUNDWATER - SUTTON
PHONE86449
L.V. SUTTON ENERGY COMPLEX
www.synterracorp.com
ATE: JANUARY2016
WILMINGTON, NORTH CAROLINA
PROJECTMANAGER:EP WALDREP
LAYOUT:
FILE PATH: P:\Duke Energy Pmgmss.1026\108. Sutton Ash Basin GW
Assessment Plen\20.EG_CAMCAP Pm 2\Figures\Final

MONITORED NATURAL
�. ATTENUATION (MNA)
6W4
MONITORED NATURAL
ATTENUATION (MNA)
I \
I \
i/
FORMER ASH BASIN
(SOURCE REMOVED)
t/
MONITORED NATURAL
\_. ATTENUATION (MNA)
\ EXTRACTION WELLS
\ (HYDRAULIC CONTROL)
\ / CTIVE CONTROL
\
PON,SITENE \
MONITORED NATURAL
ATTENUATION (MNA) U
I \ \
\
I FADA
(SOURCE REMOVED)
MONITORED NATURAL
ATTENUATION (MNA)
\
\
e.
MONITORED NATURAL\
ATTENUATION (MNA) \
Source control (Ash removal), one line of extraction wells for hydraulic control, and monitored natural
attenuation (MNA).
WEST
EAST
w
Z
J
DUKE ENERGY PROGRESS
SUTTON ENERGY COMPLEX
o
W S WOOTEN PROPERTY
a
MONITORED NATURAL
ATTENUATION (MNA)
NEW LANDFILL �
MANMADE BERM FOR
FORMER ASH BASIN
w
3
I
PRODUCTION WELLS
THE COOLING POND
(SOURCE REMOVED) LANDFILL LINER zo
U
COOLING POND
CAPE FEAR RIVER ♦
ASH w
I
SAND QUARRY POND
----- — ----
ANTICIPATED OR POTENTIAL AREA OF
— --
CONCENTRATIONS IN GROUNDWATER --_=_=_=_=_=_=_=_==_=_=_=_=_=_=======
-- — --___ ________=
PEEDEE AQUIFER =======
— ABOVE NC2L STANDARD
—_—_—_—_—_—_—_—_—_—_— ============—PEE
—_____
DEE AQUIFER ====
—======----
------FRESHWATER---------------- ----
_-- - --- __
----- ----
-------- ----------------------
____
------------------
---FRESH WATER -------------
_=_-
=-----SEAWATER =---------------------------SEAWATER-----
_ .
================================
-----------------
=PEE DEE AQUIFER ----
----------PEE DEE AQUIFER-----------------------------------------
------------------------------------------
--------------------
Source control (Ash removal), Active control (one line of extraction wells), and monitored natural
attenuation (MNA).

\
MONITORED NATURAL \
ATTENUATION (MNA)
x
EXTRACTION WELLS
(SOURCE CONTROL) \
FORMER ASH BASIN`
(SOURCE REMOVED)
MONITORED NATURAL
ATTENUATION (MINA)
\ MONITORED NATURAL
\\. ATTENUATION (MNA) I
\ I
I FAD A
I (SOURCE REMOVED)
POND
ATTENUATION (MNA)
EXTRACTION WELLS
(HYDRAULIC CONTROL)
.ACTIVE CONTROL
W S WOOTEN PROPERTY
EI
a
e,
j
ITORED NATURALENUATION (MINA) \
Source control (Ash removal), extraction wells for hydraulic control and source control, and monitored
natural attenuation (MNA).
WEST
MANMADE BERM FOR
THE COOLING POND
CAPE FEAR RIVER
-PEE DEE AQUIFER
iH WATER---—....-
-_---=fir--=
WATER= -----
-PEE DEE AQUIFER
DUKE ENERGY PROGRESS
SUTTON ENERGY COMPLEX
ACTIVE CONTROL
MONITORED NATURAL AE
ATTENUATION (MNA)
INEW LANDFILL
FORMER ASH BASIN
(SOURCE REMOVED)
COOLING POND
ANTICIPATED OR POTENTIAL AREA OF
CONCENTRATIONS IN GROUNDWATER
ABOVE NC2L STANDARD
ASH
Source control (Asn removal), extraction wells Tor nyaraullc control ana source control, ana monitorea
natural attenuation (MNA).
Z
J
K
a
0
i
EAST
W S WOOTEN PROPERTY
PRODUCTION WELLS
ISANDQUAR�POND
PEE DEE AQUIFER ====
------------------
PEE DEE AQUIFER

SEE TYPICAL
CONSTRUCTION
r VAULT DETAIL
PEE DEE FORMATION
TYPICAL GROUNDWATER EXTRACTION WELL
SCALE: NOT TO SCALE
L7
synTerra
STEEL VAULT COVER
EXTRACTION PIPE
ELECTRIC
SAMPLING PORT
JUNCTION BOX
ELECTRICAL CONDUIT
:'�A/VA�VA/VA a a
a /VA/VA/VA VA:
/VA/VA/VA/VA/VAS
iGROUNDWATER
�\\\EXTRACTION PIPE
USE GROUT TO SEAL ANY VOIDS
CONCRETE VAULT
BETWEEN THE CONCRETE VAULT
BASE AND WALLS
AND WELL RISER
ELECTRICAL
a
6"DIAMETER WELL
SUPPLY LINE
(REFER TO GROUNDWATER
EXTRACTION WELL DETAIL)
PRELIMINARY TYPICAL CONCRETE VAULT
SCALE: NOT TO SCALE
NOT TO SCALE
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
DRAWN BY: J. COLEMAN DATE: 01/15/2016
PROJECT MANAGER: P. WALDREP
LAYOUT: FIGURE 7-2 WELL CONSTRUCTION
FIGURE 7-2
TYPICAL EXTRACTION WELL AND
VAULT CONSTRUCTION DETAILS
L.V. SUTTON ENERGY COMPLEX
WILMINGTON, NORTH CAROLINA