NC0000396_Asheville CAP Figures_20151120

Corrective Action Plan Part 1
November 2015
Asheville Steam Electric Plant
LIST OF FIGURES
Executive Summary
Figure ES-1 Plan View Conceptual Site Model
Figure ES-2 Cross -Section View Conceptual Site Model
Figure ES-3 Cross Section View Post Excavation
Section 1
Introduction
Figure 1-1
Site Location Map
Figure 1-2
Site Layout Map
Figure 1-3
Drinking Water Well and Receptor Survey
SynTerra
Section 2
Extent of 21, and 2B Exceedances
Figure 2-1
Areas of Protection of Groundwater Standard and Provisional
Background Exceedance in Soils
Figure 2-2
Areas of 2L and Provisional Background Exceedances in Surficial
Groundwater
Figure 2-3
Areas of 2L and Provisional Background Exceedances in Transition
Zone Groundwater
Figure 2-4
Areas of 2L and Provisional Background Exceedances in Bedrock
Groundwater
Section 3
Site Conceptual Model
Figure 3-1
Water Level Map- Surficial- June 29,2015
Figure 3-2
Water Level Map- Bedrock- June 29,2015
Figure 3-3
Potential Gradient Between Hydrostratigraphic Units
Figure 3-4
Isoconcentration Maps - Eh in Ash Pore Water
Figure 3-5
Isoconcentration Maps - Eh in Surficial Groundwater
Figure 3-6
Isoconcentration Maps - Eh in Transition Zone Groundwater
Figure 3-7
Isoconcentration Maps - Eh in Bedrock Groundwater
Figure 3-8
Isoconcentration Maps - Eh in Seeps and Surface Water
Figure 3-9
Isoconcentration Maps - pH in Ash Pore Water
Figure 3-10
Isoconcentration Maps - pH in Surficial Groundwater
Figure 3-11
Isoconcentration Maps - pH in Transition Zone Groundwater
Figure 3-12
Isoconcentration Maps - pH in Bedrock Groundwater
Figure 3-13
Isoconcentration Maps - pH in Seeps and Surface Water
Figure 3-14
Isoconcentration Maps - DO in Ash Pore Water
Figure 3-15
Isoconcentration Maps - DO in Surficial Groundwater
P: \Duke Energy Progress.1026\ 102. Asheville Ash Basin GW Assessment Plan\ 16.Corrective Action Plan\ Text\Final Asheville
CAP.docx

Corrective Action Plan Part 1 November 2015
Asheville Steam Electric Plant SynTerra
Figure 3-16
Isoconcentration Maps - DO in Transition Zone Groundwater
Figure 3-17
Isoconcentration Maps - DO in Bedrock Groundwater
Figure 3-18
Isoconcentration Maps - DO in Seeps and Surface Water
Figure 3-19
Isoconcentration Maps - Specific Conductance in Ash Pore Water
Figure 3-20
Isoconcentration Maps - Specific Conductance in Surficial
Groundwater
Figure 3-21
Isoconcentration Maps - Specific Conductance in Transition Zone
Groundwater
Figure 3-22
Isoconcentration Maps - Specific Conductance in Bedrock
Groundwater
Figure 3-23
Isoconcentration Maps - Specific Conductance in Seeps and Surface
Water
Figure 3-24
Isoconcentration Maps - Strontium in Ash Pore Water
Figure 3-25
Isoconcentration Maps - Strontium in Surficial Groundwater
Figure 3-26
Isoconcentration Maps - Strontium in Transition Zone
Groundwater
Figure 3-27
Isoconcentration Maps - Strontium in Bedrock Groundwater
Figure 3-28
Isoconcentration Maps - Strontium in Seeps and Surface Water
Figure 3-29
Boron, Sulfate, TDS, and Strontium in Ash Pore Water
Figure 3-30
Boron, Sulfate, TDS, and Strontium in Surficial Groundwater
Figure 3-31
Boron, Sulfate, TDS, and Strontium in Transition Zone
Groundwater
Figure 3-32
Boron, Sulfate, TDS, and Strontium in Bedrock Groundwater
Figure 3-33
Boron, Sulfate, TDS, and Strontium in Surface Water and Seeps
Figure 3-34
Time vs. Boron Concentration Graphs
Section 4 Modeling
Figure 4-1 Computed vs Observed Values
Figure 4-2 Map of preliminary basin closure for the CAP2 scenario
Figure 4-3 Simulated hydraulic heads
Figure 4-4 Conceptual figure of groundwater discharge to the French Broad
River
P: \Duke Energy Progress.1026\ 102. Asheville Ash Basin GW Assessment Plan\ 16.Corrective Action Plan\ Text\Final Asheville
CAP.docx

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LEGEND
Q ASH
ASH PORE WATER
GROUNDWATER ABOVE NC 2L STANDARD
0 FOR BORON
GROUNDWATER BELOW NC 2L STANDARD
FOR BORON
INFERRED OR MEASURED
APPROXIMATE WATER TABLE
INFERRED OR MEASURED APPROXIMATE ASH
PORE WATER TABLE
LITHOLOGIC CONTACT
161P
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1964 ASH BASIN DAM
NORTHEAST
ASH BASIN (SOURCE)
J
LLl
/ASH PORE WATER
c�
FILL/
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STILLING
ASH POND
% OF CONCENTRATIONS IN
UNDWATER ABOVE 2L & IMAC
NOT TO SCALE FIGURE ES-2
CURRENT CONDITIONS
148 RIVER STREET, SUITE 220 CROSS-SECTION SITE CONCEPTUAL MODEL
GREENV8ISOUTH
99AROLINA29601
PHONE64A2DUKE ENERGY PROGRESS LLC
wwNBY.JOHNCHSTAIN ASHEVILLE STEAM ELECTRIC PLANT
PROJECT
TM MANAGER:
DATE:10/28/2015 ARDEN, NORTH CAROLINA
PROJECT MANAGER: TODD PLATING
LAYOUT: FIG ES-2 (CURRENT CONDITIONS)

SOUTHWEST
FRENCH
BROAD
RIVER
BEDROCK
LEGEND
GROUNDWATER ABOVE NC 2L STANDARD
FOR BORON
GROUNDWATER BELOW NC 2L STANDARD
FOR BORON
INFERRED OR MEASURED
APPROXIMATE WATER TABLE
LITHOLOGIC CONTACT
N
FILL/
REGOLITH
161,
synTerra
FILL/
REGOLITH
NOT TO SCALE
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE 864A21-9999
www.synterracorp.com
DRAWN BY: JOHN CHASTAIN DATE: 10/28/2015
PROJECT MANAGER: TODD PLATING
LAYOUT: FIG ES-3 (SOURCE REMOVAL)
NORTHEAST
FORMER ASH BASIN
(SOURCE REMOVED)
\ FILL
CONCENTRATIONS IN GROUNDWATER
ABOVE NC2L STANDARD
z
FIGURE ES-3
SOURCE REMOVAL
CROSS-SECTION SITE CONCEPTUAL MODEL
DUKE ENERGY PROGRESS LLC
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA

1`
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°? SOURCE:,
y USGS TOPOGRAPHIC MAP OBTAINED FROM GEOSPATIAL
o DATA GATEWAY AT http://datagateway.nres.usda.gov/ zy rl
FIGURE 1-1
SITE LOCATION MAP
DUKE ENERGY PROGRESS
ASHEVILLE STEAM ELECTRIC PLANT
200 CP&L DRIVE
Terra ARDEN, NORTH CAROLINA
V BUNCOMBE COUNTY SKYLAND NC QUADRANGLE
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA DRAWN BY: C. NEWELL DATE: 7/27/2015 GRAPHIC SCALE
o PHONE [phone] PROJECT MANAGER: KATHY WEBB CONTOUR INTERVAL: 20 FT lOOO O 1000 ZOOO
www.synterracorp.com LAYOUT: FIG 1-1(USGS SITE LOCATION) MAP DATE: 1991 .�
IN FEET

WN
Y
MW-12BR Y
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MW
ALP 7
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IN
z-2s
P-103 e
MW-18D
MW-18BR
CB-7 ABMW-4
_ ABMW-4D P-102e
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C-01
D-01
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PZ-115v
E-01
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LEGEND
10 CB-1
BACKGROUND MONITORING WELL (SURVEYED)
COMPLIANCE MONITORING WELL (SURVEYED)
B
MONITORING WELL (APPROXIMATE)
e PZ-i6
P E20METER(APPROXIMATE)
DUKE ENERGY PROGRESS
500 ft COMPLIANCE BOUNDARY
WASTE BOUNDARY
FLOW DIRECTION
(DASHED WHERE LOCATION APPROXIMATE)
MW-3D
SOIL BORING AND MONITORING WELL
MW-3BR
LOCATION (SURVEYED)
® ABMW-2
ASH BORING, PORE WATER, AND GROUNDWATER
ABMW-2BR
MONITORING WELL LOCATION (SURVEYED)
® ABA
ASH BORING LOCATION
SW-02
SURFACE WATERAND SEDIMENT
LOCATION
SEEP LOCATION
a A Lo61
NPDES OUTFALL
THE FOLLOWING WELLS WERE ABANDONED BY
SYNTERRA:
1982 ASH BASIN
ABANDONED ON OCTOBER 23, 2015
ABMWS (CLUSTER),
ABMW-6BR, ABMW-7 (CLUSTER), AND ABMW-8
COVE WELLS ABANDONED ON JULY 18, 2015
MW-2BR, MW4D, PZ43, AND PZ-24,
MAP SOURCES:
✓�� � 1. 2014 AERIAL PHOTOGRAPH OBTAINEDFROM WBP FLOWN ON APRIL I12014.
k 2. 2012 AERIAL PHOTOGRAPH OBTAINED FROM THE NRCS GEOSPATIAL DATA
N { ! '^ 8 '" !1 - GATEWAY AT httP://data9aMwaYnrce.usda.gov/
D83, NA OLINA STATE
PLANE COORDINATE SYSTEM FIPS 32
1982 ASH BAST
3. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAR
09 (NA VD88).
Y
4. PARCEL BOUNDARY WAS OBTAINED FROM BUNCOMBE COUNTY GIS DATA AT
.4 CB-1BR I 74p 4`., ry I - - nttP://g,s nuncombecoumy.org@uncomapXAap_Anntml
f -'Y y_ {'- ;� /�� 5. THE TOPOGRAPHY SURVEY DATA WITHIN THE PROPERTY BOUNDARY DATED
pL =. ,".�°v,- y - \ APRIL 17, 2014 WAS OBTAINED FROM WSP OF CARY. NORTH CAROUNA
6. 21 CONTOUR INTERVALS BEYOND THE PROPERTY BOUNDARY ARE FROM
t - NCDOT LIDAR DATED 2607
• � d+ '�!'-' M1Xps//connect ncdotgov/resourceslgislpegeslconlalev Jl aspx
_ ]. COMPLIANCE MONITORING WELL LOCATIONS AND WASTE BOUNDARY
FROM FCA OF NC, SURVEY DATED MARCH 2009. COMPLIANCE WELLS CB-3R,
CB-9 AND SG-1 SURVEYED BY EGA OF NC, SURVEY DATED 2012-11-28.
ADDITIONALMONITORING -AND PIEZOMETER LOCATIONS WEREBASED
CB2 - _ p, _( ON DATA PROVIDED BY DUKE ENERGY PROGRESS.
i c 2,
GRAPHIC SCALE
CB-3R f 150
+.
(IN FEET)
LJ
30
D
E®nMw2n �
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MW-23DU AMw-3E .it -
MW-23BR _
f
synTerra
148 River Street, Suite 220
+. Greenville, South Carolina 29601
ti 864-421-9999
www.sYnterracorP•corD
- DRAWN BY: C. NEWELL DATE: 5/14/2015
�'wa�.`` -St'..r'- -j' `
:P 4 ■y CHECKED BY T. PLATING DATE: 5 14 2015
PROJECT MANAGER K. WEBB
- "t` f - , LAYOUT NAME: FIG 1-2 SITE LAYOUT
.. n1 Ids _ ��r _ - -�+;., IY I
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t_ A PROGRESS
4
ASHEVILLE STEAM ELECTRIC PLANT
200 CP&LDRIVE
`,� x & # - _{. 9,'' • _ ARDEN, NORTH CAROLINA
Ali
FIGURE 1-2
+#f.. - :>•t-i 'f r .aF`.lo- h*•rk'k �-s t * -! _ SITE LAYOUT MAP
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LEGEND
y�
t
+
p TQ—W -11
WATER SUPPLY WELL NOT SAMPLED BY NCDEQ
WATER SUPPLY WELL SAMPLED BY NCDEQ
C
9 DW-15
CONSTITUENT CONCENTRATIONS BELOW NC21-
STANDARDS
--
WATER SUPPLY WELL SAMPLED BY NCDEQ
6 DW-34
CONSTITUENT CONCENTRATIONS ABOVE NC21-
STANDARDS
EDR REPORTED WELL (APPROXIMATE)
r
HALF MILE SURVEY BOUNDARY
t
DUKE ENERGY PROGRESS ASHEVILLE PLANT
500 ft COMPLIANCE BOUNDARY
WASTE BOUNDARY
'r
E
FLOW DIRECTION
SOURCES:
q DW 1 _ • % J, 1. 2012 AERIAL PHOTOGRAPH OBTAINED FROM NRCS
' GEOSPATIAL DATA GATEWAY MAT � r a http://datagateway.nres.usda.gov/
Ir
2. BUNCOMBE COUNTY WATER LINES (1997) OBTAINED
!, �. *• FROM NC ONE MAP AT www.nconemap.com
7
Ec caEEK ` �.•�' ya►` R t V :" 3. PARCEL BOUNDARY WAS OBTAINED FROM BUNCOMBE
POW ^yp'i''r \�[-�• M' yPa %� COUNTY GIS DATA AT
http.//gis.buncombecounty.org/buncomap/Map_All.html
AO
i M r 4. DRAWING HAS BEEN SET WITH A PROJECTION OF
LAKEJULIAN ` R�ij' "" �� NORTH CAROLINA STATE PLANE COORDINATE SYSTEM
'Cc `f FIPS 3200 (NAD 83).
r
�" • c' NOTE:
1. DISPLAYED WATER SUPPLY WELL LOCATIONS ARE
vm _ �\ ` a :�•!�` y,,,fky. APPROXIMATE.
':. HEYWOOD Ro :n. .. f'
("A a �Z
� L
i n. • + ii
ASH MANAGEMENT AREA � ��f '• � � �., t
t
WIN
p D W 31
E COMA F� OpDW 25 9!� Zt f" ft` ky �• I `,
DW30O O DW-21 p DW9 DW-3S �'o O DW 26
] 01 DW-34 01 DW-14 �'ft
... oPo ry = l:4•', i c `err f fs
p W-15 PF, DW' 36 p
DW-3 01 DW-19 O
0DW-37 Z@yo ''T DW4 r� mm �r .._7'p�'"L, � N I�c
PRW-5 PL Dbb-5 5Q O
! )f ri
1RP DW-28 pDW 8 2 '16
(PRW-9) �r DbV �i 9 DbV-13 p
D W-6 O a� ✓i ': t ?�
Q,O pDW-33 a.. aycrl �. ,
41,
O
N3 O�� p Dw /
00000,
`000e ` %-I / GRAPHIC SCALE
Z
m �,yx.at 600 0 600 1200 FIGURE 1-3
IN FEET DRINKING WATER WELL AND RECEPTOR
GREENVILLETSOUTH CAROLINA29601 SURVEY
VIP Y < PHONE[phone] UPDATED NOVEMBER 2015
*{r'�,r•� `-•R'�-,.w.,� �•�i_Y www-synterracorp.com
/01 Terra DRAWN BY:JOHNCHASTAIN DATE:11/03/2015 ASHEVILLE STEAM PLANT
PROJECT MANAGER: TODDWELL PLATTING ARDEN, NORTH CAROLINA
tDGE FD 'r _ LAYOUT: FIG 1-3 ER WELL MAP)
Syn�L' �. ,I't .•. ` 11/18/2015 4:33 PM P:\Duke Energy Progress.1026\102. Asheville Ash Basln GW Assessment Plan\16.Corrective Action Plan\Figures\DE ASHEVILLE CAR FIGURE 1-3 DW SUPPLY WELL b

A
MW-11 D,
1
1 �
• MW-14BR �
1 Ilk
MW-15BR►�!; r
1 �.
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1 �
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� \ MW-20A '�
• MW-05BR MW-03BR
♦ •.
MW-23BR .
IW
MW-21D
MW-226R i J*� 4.. ,.
it
vl r �h
44•
LEGEND
Q CONCENTRATIONS GREATER THAN COMPARATIVE VALUE
CONCENTRATIONS INDICATE POTENTIAL INFLUENCE FROM SOURCE
AREA. FURTHER INVESTIGATION OF SITE SPECIFIC BACKGROUND AND
RISK ASSESSMENT MAY BE NECESSARY.
CONCENTRATION LESS THAN APPROPRIATE COMPARATIVE VALUE
® SOIL CONCENTRATIONS GREATER THAN COMPARATIVE VALUE
y SOIL BORING CONCENTRATION LESS THAN COMPARATIVE VALUE
ASH BASIN BOUNDARY
- ASH BASIN COMPLIANCE BOUNDARY
DUKE ENERGY PROGRESS ASHEVILLE PLANT BOUNDARY
> DITCH
STREAM
NOTES:
COMPARATIVE VALUE = THE GREATER OF EITHER PSRG (PROTECTION OF
GROUNDWATER) OR PROVISIONAL BACKGROUND CONDITION.
2 SOIL SAMPLES OBTAINED FROM CSA MONITORING WELL INSTALLATION FEBRUARY -
JULY 2015.
a SITE AERIAL ORTHOPHOTOGRAPHY IS DATED APRIL 17, 2014 (OBTAINED FROM WSP).
4 ADDITIONAL OFFSITE AERIAL ORTHOPHOTOGRAPHY IS DATED 2012. IT WAS OBTAINE
FROM THE NC CENTER FOR GEOGRAPHIC INFORMATION AND ANALYSIS.
(http://services. nconemap.govo
5 PARCEL BOUNDARY WAS OBTAINED FROM THE NC CENTER FOR GEOGRAPHIC
INFORMATION AND ANALYSIS. (httpl/services.nconemap.gov/)
6 DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANE
COORDINATE SYSTEM RIPS 3200 (NAD83/2011).
GRAPHIC SCALE
300 0 300 600 900 1,200
(IN FEET)
O
1410 t� DUKE
ENERGYo
ynTerra PROGRESS
'a
148 RIVER STREET, SUITE 220, ASHEVILLE STEAM ELECTRIC PLANT o
GREENVILLE, SC 29601 200 CP & L DRIVE w
864-421-9999 ARDEN, NORTH CAROLINA
www.synterracorp.com 00
FIGURE 2-1
AREAS OF PROTECTION OF GROUNDWATER
STANDARD AND PROVISIONAL BACKGROUND
EXCEEDANCES IN SOILS

A
s\
•
/
a
1 �
1
1
\ MW-14A
,
AA
1 \
\ \ ` MY
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; .. ,
.
JULIAN
.
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'
7
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1
196,,
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P-103
t
BASIN
r�
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r
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r
1 i
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r
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\
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_ PZ-24
\
.: <
CB-02
MW-O6S
ABMW-07S
�
.�
3
♦ �♦
,
♦ `r / MW-20A
/
CB-04
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♦ ♦ ♦
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s�
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.
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vsss
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slik 3591
„CO
5�'
LEGEND
CONCENTRATIONS GREATER THAN COMPARATIVE VALUE
CONCENTRATION INDICATE POTENTIAL INFLUENCE FROM SOURCE
AREA. FURTHER INVESTIGATION OF SITE SPECIFIC BACKGROUND AND
RISK ASSESSMENT MAY BE NECESSARY.
APPROXIMATE DISTRIBUTION OF INDICATOR PARAMETERS AT
CONCENTRATIONS GREATER THAN APPLICABLE 2L OR IMAC AND
PROVISIONAL BACKGROUND CONCENTRATIONS, BASED ON 2015 DATA.
APPROXIMATE DISTRIBUTION OF CONSTITUENTS WITH
CONCENTRATIONS GREATER THAN APPLICABLE 2L OR IMAC AND
PROVISIONAL BACKGROUND VALUES, BASED ON 2015 DATA.
Q
ASH BASIN BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY
-,
_ _ !
DUKE ENERGY PROGRESS ASHEVILLE PLANT BOUNDARY
I
DITCH
STREAM
NOTES:
1 COMPARATIVE VALUE = THE GREATER OF EITHER 2L, IMAC, OR PROVISIONAL
BACKGROUND CONCENTRATION.
2 CONCENTRATIONS SHOWN ARE FROM 2015 SAMPLING EVENT.
3 SITE AERIAL ORTHOPHOTOGRAPHY IS DATED APRIL 17, 2014 (OBTAINED FROM WSP
4 ADDITIONAL OFFSITE AERIAL ORTHOPHOTOGRAPHY IS DATED 2012. IT WAS OBTAINED
FROM THE NC CENTER FOR GEOGRAPHIC INFORMATION AND ANALYSIS.
(http://services.nconemap.gov/)
5 PARCEL BOUNDARY WAS OBTAINED FROM THE NC CENTER FOR GEOGRAPHIC
INFORMATION AND ANALYSIS. (httpl/services.nconemap.gov/)
6 DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANE
COORDINATE SYSTEM FIPS 3200 (NAD83/2011).
GRAPHIC SCALE N
300 0 300 600 900 1,200 N
N
(IN FEET) 2
LL
N
o`
DUKE
' ENERGY®
synra TerPROGRESS
148 RIVER STREET, SUITE 220, ASHEVILLE STEAM ELECTRIC PLANT o
GREENVILLE, SC 29601 200 CP & L DRIVE w
864-421-9999 ARDEN, NORTH CAROLINA
www.synterracorp.com 00
FIGURE 2-2
AREAS OF 2L AND PROVISIONAL BACKGROUND
EXCEEDANCES IN SURFICIAL GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT

N ® '�r, , LEGEND
A
y� ® ti+►CONCENTRATIONS GREATER THAN COMPARATIVE VALUE
CONCENTRATIONS INDICATE POTENTIAL INFLUENCE FROM SOURCE AREA.
c — - — - — - — - - -, -1 LAKE FURTHER INVESTIGATION OF SITE SPECIFIC BACKGROUND AND RISK
♦, JULIAN ® ASSESMENT MAY BE NECESSARY.
• -' ' _ _ _ APPROXIMATE DISTRIBUTION INDICATOR PARAMETERS AT
1 _ CONCENTRATIONS GREATER THAN APPLICABLE 2L OR IMAC AND
+ — J
\ MW-11 D i - PROVISIONAL BACKGROUND CONCENTRATIONS. BASED ON 2015 DATA.
® ` ' APPROXIMATE DISTRIBUTION OF CONSTITUENTS WITH CONCENTRATIONS
GREATER THAN APPLICABLE 2L OR IMAC AND PROVISIONAL BACKGROUND
1 + VALUES, BASED ON 2015 DATA
ASH BASIN BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY
+ — e e • r ' A ` - - - DUKE ENERGY PROGRESS ASHEVILLE PLANT BOUNDARY
DITCH
3" e
1 . MW-13D STREAM
LCB-08.r .., ®,.,� �MW-12D� 99i�L SETTLING
S� POND n,'.d., �+ ♦e e • e e `
� e
MW_09.D
P, .` � , by
e♦ ` LAKE
e♦ ♦' R JULIAN • e
� NOTES:
♦ ♦, ' P -4 GW-01 D e e 1 COMPARATIVE VALUE - THE GREATER OF EITHER 2L/IMAC OR PROVISIONAL
'e e • ; ABMW-05D BACKGROUND CONCENTRATION.
r � ,� � _- --_ -
1964 ASH MW-01 D ✓': 2 CONCENTRATIONS SHOWN ARE FROM 2015 SAMPLING EVENT.
BASIN
' r'a s
0 SITE AERIAL ORTHOPHOTOGRAPHY IS DATED APRIL 17, 2014 (OBTAINED FROM WSP).
- ABMWr04D
MW-18D 4 ADDITIONAL OFFSITE AERIAL ORTHOPHOTOGRAPHY IS DATED 2012 (OBATINED FROM
�p THE NC CENTER FOR GEOGRAPHIC INFORMATION AND ANALYSIS AT
Z(http:l/services.nconemap.gov/))
, 1982 ASH ' r^^, ;- ... •. . ` -::�' f. _ "♦�
y 5 PARCEL BOUNDARY WAS OBTAINED FROM THE NC CENTER FOR GEOGRAPHIC
PZ-16
BASIN ♦� INFORMATION AND ANALYSIS. (http:llservices,nconemap.gov/)
�O 6 DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANE
COORDINATE SYSTEM FIPS 3200 (NAD83/2011).
,
MW=04D _ < ♦ GRAPHIC SCALE
SR-3564 Lim* < e♦ 300 0 300 600 900 1200 1500
- - -"41 I W 03D .. . ' ( FEET)
, "MWIL066 CB -OR' d . SR 3523
* �� DUDE
® ENERGY
+ AMW-02A �, 5� S 1
♦ a 1 a` - MW-23DL � �
- e..�. ss� Terra PROGRESS
r ♦ MW-23DU !
I+ ♦e �® ° 148 RIVER STREET, SUITE 220, ASHEVILLE STEAM ELECTRIC PLANT
s ♦ s A. y GREENVILLE, SC 29601 200 CP & L DRIVE
` e r +x `: h`� ` " " ` `' ♦ r° 864-421-9999 ARDEN, NORTH CAROLINA
ee rat
`` ®o p a=��•x``. dr 3� ,c� :# ♦ - + www.synterracorp.com
r
�A ♦ ♦ "-' ." � • _ i DRAWN BY: C. ROE DATE: 11118/2015
CHECKED BY: T PLATING DATE: 11/18/2015
N PROJECT MANAGER: T. PLATING
'
�4- ,�� s�,�s * o►� ;X� FIGURE 2-3
AREAS OF 2L AND PROVISIONAL BACKGROUND
EXCEEDANCES IN TRANSITION GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT

I.
`
LEGEND
CONCENTRATIONS GREATER THAN COMPARATIVE
sM• : +.
�.
_
CONCENTRATIONS INDICATE POTENTIAL INFLUENCE FROM SOURCE
LAKE
AREA. FURTHER INVESTIGATION OF SITE SPECIFIC BACKGROUND AND
JULIAN
+v "`
RISKASSESSMENT MAY BE NECESSARY.
APPROXIMATE DISTRIBUTION OF INDICATOR PARAMETERS AT
CONCENTRATIONS GREATER THAN APPLICABLE 2L OR IMAC AND
PROVISIONAL BACKGROUND CONCENTRATIONS BASED ON 2015 DATA
_
J
APPROXIMATE DISTRIBUTION OF CONSTITUENTS WITH
CONCENTRATIONS GREATER THAN APPLICABLE 2L OR IMAC AND
PROVISIONAL BACKGROUND VALUES, BASED ON 2015 DATA
?u
Q
ASH BASIN BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY
DUKE ENERGY PROGRESS ASHEVILLE PLANT BOUNDARY
—)• — -
DITCH
.-ems
Ali► '' f
STREAM
1982 ASH
BASIN
/ PZ-17S ♦"_
MW-02BR
IMW-05BR A. A.
�s•� ♦� 1-22:��BR
AMW-01BA. i
s
NOTES:
I COMPARATIVE VALUE - THE GREATER OF EITHER 2L OR PROVISIONAL BACKGROUND
CONCENTRATION.
2 CONCENTRATIONS SHOWN ARE FROM 2015 SAMPLE EVENT.
3 SITE AERIAL ORTHOPHOTOGRAPHY IS DATED APRIL 17, 2014. (OBTAINED FROM WSP).
4 ADDITIONAL OFFSITE AERIAL ORTHOPHOTOGRAPHY IS DATED 2012.(OBTAINED FROM
THE INC CENTER FOR GEOGRAPHIC INFORMATION AND ANALYSIS AT
(http://services.nconemap.gov/))
5 PARCEL BOUNDARY WAS OBTAINED FROM THE INC CENTER FOR GEOGRAPHIC
INFORMATION AND ANALYSIS AT (hftp://services.nconemap.gov/)
DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANE
COORDINATE SYSTEM RIPS 3200 (NAD8312011).
GRAPHIC SCALE
300 0 300 600 900 1.200 1.500
(IN FEET)
'tip 4n DUKE
ENERGY.
ynTerra PROGRESS
148 RIVER STREET, SUITE 220, ASHEVILLE STEAM ELECTRIC PLANT
GREENVILLE, SC 29601 200 CP & L DRIVE
864-421-9999 ARDEN, NORTH CAROLINA
www.synterracorp.com
FIGURE 2-4
AREAS OF 2L AND PROVISIONAL BACKGROUND
EXCEEDANCES IN BEDROCK GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT

' LEGEND
A SESSMENT WELL WELL
O u asa ELEVATION N EET(RREQ
r - cwl BACKGROUND COMPLIANCE WELL
0 zlso.s9 ELEVATION IN FEET (msl.)
^f
' 0 ce 3.90 ELEVATION IN FEET unsl.OWNGRADIENT �ANCE WELL
Gwz MONITORING WELL
0 2oso.]z ELEVATION IN FEET(mslJ
WATER LEVEL CONTOUR IN FEET (mRI.)
T _ INFERRED WATER LEVEL CONTOUR (msl.)
— — — — — GROUNDWATER DIVIDE
-: tJ , SURFICIAL GROUNDWATER FLOW DIRECTION
AREA OF CONSTRUCTION AND DEWATERING
DUKE ENERGY PROGRESS
• -- uuE JULIAN 500 R COMPLIANCE BOUNDARY
•-� WASTE BOUNDARY
PARCEL LINE (APPROXIMATE)
:
_
O
d
eff
(
MW 15A /
NIW BR
2026.38 /
0MW-13BR
2123.86 / �P�
a9Dt
CB 08BR pq OxD _ ( It \~�,AY •i _
Mw
2129.2E _
�-� MW12D MW-12BR P-BUB
-'
1G4
'
MW UFA - e j• -
,N.. uls.9s f
M W-16BR B 213128 '
t)
� r
2D96�D T
A
ABM
W 02S
124 91
W 61 / AIM W 02
rn,Rirr r �.NGW-018R 1D
M2"' 0,10 212319
11
TAKE JULIAN WATER LE ABMV-OSBR 1, WATEERPW WERE COLLECED. BYSYMENRa ON lUNE 292015
` OABMW 05D
17177-1
1984 ASH dASIN 2AMW " SOURCES:
118,27 R p2�,ega
awePyH.OTOsGuRstlFPNwO/TAN ED ROM NRCS —AL DATAGATEWY Ai
MI O1D
/ ` �,� •* yDEAWNGHAOO�NAD 3IWITFIAPROIECT ON OF NORTHG.RWNa STAEPLANE COORD NATE
` `` ` �.. ti L ., !t^1•' •r 3.IBPARCEL BOUNDARY WAR OBTANED FROM BUNCOMBE COUNttGB DATA
4IDEWWIS TIL WERETUMVSREBY MCHM& CREEOTHEHORQONTALDATUMSSETTONA083
ABMW-04 ' 211519 • N NGVDB&
NUMW 07BR 11891ABMW 046R 1982 ASH BASIN 6uRGOMPL ANGDE MONHOR Ng �EMLPLOCAOONS AND WASTE BOUNDARY FROM FM OF NC,
Q ABMW-O6BR }u•� ANCEWELLSCB RCMANDSGSSURVEYEDWFCAOF
MW-S8D 2026.42 GW 04D F7 ` �� t - 4 1 • f SURVEY DA ED 20121 28
MW 38BR 2NST.98 , 2112 �` 1� 1 `7_ EMONALMONTORNGWELL ANDPFZDMETER LOGTONSWEREBASED ON DATA
` -OPT
V 0 ESRMALON ENERGY
\._ W r�� � e1b390• -- 7 ENFEETIs F.NCSTATEPL ENWOED RDNATESVSTEMFRF53200(NADae),UVATIONS
�� o 0.
3EG�oGI� Fs„Y�ND �-- _
4
L a2093eTR_ _co 2rZ1211].51] rZ, 0 �
4 .. �� -, .— •'tip Y!, -- A�, ♦r�
GRAPHIC SCALE
0 1300 600
Mw
E� R1o1za✓ ' ' ; c..+ti 7{.. I UN FEEFEEDHfi n19
rloo 0 aaM _ � � aB • �`a'�� �Ipfir � `
1 xx 0 w a az
ABMW]8 1amw 0 1 t �Y; `
-0ABMW O] 43.b9
150-38 M ¢
i'i r O5p GW4 MW 0661 211].13 DRY �,��
G .T i �• � MW 06S GW� - �-
yy MW-06BR 205826 2'106 Ny
rZ 22 � MW 030 �. I � � _ - - r � m
o2.2B synTerra
� �� os9v Mw-03BR ca 3R e � ' . � y► � 30 � ., �L ��
Mw zoA .�� -Sl�i � � i 1�
'"�F. ro za3lza N -
]I Mw oseR 0zo66 sa p• - . X,. .i ^��,
^'�1 _ 148 River Street, Suite 220
:RRB -
Greenville, South Carolina 29601
- o B 0,(v13o _ • j, - 864421-9999
f. zoauo - zos zs tr1 k r ' * www.synterracorp.com
-AMW-28 1 al
_ .Ii �F "M• AMV DRAWN BY: JOHN CHASTAIN DATE: 08/02/2015
AMwag s R 21ea.]a Mw-io y - CHECKED BY: TODD PLATING DATE: 08 02 2015
MW-230U w230L 2164.]3 m
20 sos - �'�-�� aMw- a -� •�, PROJECT MANAGER: KATHY WEBB
LAYOUT NAME: FIG 31 SURFICIAL WL MAP
j,% DUKE
ENERGY
- PROGRESS
ASH EVILLE PLANT
• M 2�' • �a ; P� 200 CP & L DRIVE
ARDEN, NORTH CAROLINA
r ' >a s tTr+� }.. i • 1. 5 `a _ �..+� .. FIGURE 3-1
r- *�,� �- x SURFICIAL WATER LEVEL MAP
ji
tis ? �'i• f,�tl' ✓-.r I'. ✓tiN. F' •(:' - ._ ��i /4 .♦ r ASHEVILLE ASH BASINS
�IF-"�', :-.!' ,�,,.:� r• �• �,� �}� y� `,� ; i JUNE2015 a

LEGEND
0 zosamR SMENT WELL
ELE ATION INFEET (msl )L
•
;
0 c al BACKGROUND COMPLIANCE WELL
ELEVATION IN FEET (msl.)
WELL
ELEVATION IN FEET(msl.)ANCE
i Y
MONITORING WELL
0zasi s5
.�r•.-. ;�.
ELEVATION NFEET (DI
A
BEDROCK WHICH HAD AVERY
BapaopsYi LOW OR NO WATER
- _ _
j 1
+w
WATER LEVEL CONTOUR IN FEET (mSI.)
b
-. a
INFERRED WATER LEVEL CONTOUR (msl.)
- -
y
BEDROCK GROUNDWATER FLOW DIRECTION
t
AREA OF CONSTRUCTION AND DEWATERING
LIKE JULIAN
-'
DUKE ENERGY PROGRESS
_
-
500 ft COMPLIANCE BOUNDARY
WASTE BOUNDARY
PARCEL LINE APPROXIMATE
s'
-
2oszD4
r s� CB 09SL
a _
MW 15D MW 15BR CB09BR MW-243
202118 �� -` 213261zo
MW 15A —4,0NAW R
MW-13D
CE U80R C8 OBD
91.34 z cil-B P-�0;; -, -� . - - � L. I Y r Y• \ - ,� �' � .f �� /;
Mw 1zD
12BR �
- A '
00MW �_ t•.F
MW 09BR ' P-104 � t
A
-I",00
W-16HR MW16A -
R 2092 99I-
0 D
W F. TArvx� � N -
B1 BEOROCHHOLE L ' GW1
AHMW FCC DRYTD� YAWNUI CAN DID is
A v-z p ABMW-022158.]5 - _ _-'� - WATER LEVELS:
MW ABMW-0SBR _ TAKE JULIAN
1 3.15 Y 1 WATER IEYELS WERE COLLECTED BY SVNTERRA ON TUNE 29 2015.
ABMW 05D
-T0. 9T&.E '.I AHMW SIR aR - , ��• , • � `� ` SOURCES:
1964 ASH HASIN 0_ 46.55 -' R E� 1P
` V �M 1., V1d.1 RgLPxP.a dIIB. e1 INED FROM xxCS CEwPATIu oATq wTEwATAT
�-F/ • nt PJ/tleMgateweY nrcs astle 8av/
MW DID _�• 1d 2.1 GRAWNG HAS HEEN SETWiNA PROJECTION OF NORTH DAROL NASTATE PLANECOOROINATE
•3 ' YSTEM FPS 3200INnD e31
,• - ,. � aJD 3.) PARCEL BCUNDAaY WASOMIINED FROM BUNCOMBE COUNrveSDnrA
- ZBM 054BR O T.Lj .� \ a 4 ANDTHEY NEW IEU-SWEREC
DATUUMYS SEDT NGWcIM&CREED THE HORIZONTAL DANM SSET TO NAD83
.n, •e'�r. o',t.
AID 13 S.0 COMRVEYPLANCE NO TORNG WELL LOCATONS AND WASTE 6OUNDART FROM PEA, OF NO,
82 AGII Hh814 ABMW06BR _
Co] �� Gv ABMW-04D I 02120.8b y x�.,♦ . - ` ­EDMA
DATE020H 2O09 COMPLANCE WELLS CB 3R.Ca9 grvDSG ISURVEVEO BVFG OF
W-1BD MW O]BR -•� � �" C S 121128
MW 18BR 201330 tl f \ADDITIONAL 2F-14 d� LOW YIELD P-102 '- • L��}-- ` �I - k' fa vGR�VIDED BY PROGRTESS ENERGY. AND PEZOMETER LOGIT ONS WERE BASEDON DATA
�1­
T%1 1aTOPOARHVTEDTONCSTALEPLANE C00RD NATE SYSTEM FIP532001NAD 83) El£VAlI0N6
CH-01D CB -I .N1111l7�.rx
of RtMAP 3uv ATD 21588b
Pz z m o , �!r -" -. • • y.{t� y j.� , 1' GRAPHIC SCALE
- - W19BR IJAl Iv1J� q 1.F- 300 150 S. so0
M r w
r ....:. OWYIE Ce-6 .. - i. - - +A� - l 0 (IN FEET) y
KL, y' OwYE r A ! t� t3
PZ 19 y
rT,J / {� �`�_ P1UU ABMWOIBR �• E .+' b' w
eEDROCN HOL
DRYT020]4.
♦_ 209290 _ o
�, •`' ' ABMW OS
• "`+++,_a �•��- `r�/ ADMW O]S ABMW O] CB2 MW 04D �-'♦ _ -
� • � MW OBBR '� m
2U6G B3 - �• - ✓'/v'■■ T■■erra
ROCKYSH
MBE fAONOALSVIEABLEON2OQ6
COA M a
JS
MW 03BR A`` /MMMr
-BMW 20Fl M 030 2082.09 ,,eF __ I L
� IS
H
- r .X 2103.89 �• - ' 1
MwmsD 148 River Street, Suite 220
K
rt'� L nH -„\ - • -y- _ - - i ` Greenville, South Carolina 29601
c r 'ronl6a �oa-FL�, 0 y s r� 864-421-9999 E
r '�, www.synterracorp.com
w yi A 1 ! DRAWN BY: JOHN CHASTAIN DATE: 08/03/2015
MW 23BR MW-10 ,mot
,o�L IN zosa.oT - CHECKED BY: TODD PLATING DATE: 08/03/2015 `
_ y _ - cy, Mw z3Du Mw-zaDL ,A-6 Y5 PROJECT MANAGER: KATHY WEBB
_ 8
W yH r _\ 2164.35 _
o � � - � - � . - _i4. - - � � :� LAYOUT NAME: FIG 3-2 BEDROCK WL MAP �
OF, RIoNC1H9H8o1+E. - �' - . `S
IS
DUKE
Mw22BR
w _ 49 ENERGY
MzzD az �-
.9 At. aL '� , o
r" r PROGRESS
ASHIL L D TEAM ELECTRIC PLANT
200 CID
ARDEN, NORTH CAROLINA
K' y I• z \ FIGURE 3-2
_ BEDROCK WATER LEVEL MAP
ASHEVILLE ASH BASINS "
r r^ r JUNE2015 a
ti-

CAKE
N ♦ MV11-11 JULIAN LEGEND
i ..
0.029
A - 1 POTENTIAL VERTICAL GRADIENT ( foot per foot)
t • - • ' =.- '��, ; ; MONITORING WELL
MW-15A CB-09 1 J2 SR-3551 Q PIEZOMETER
r -0.021 I, -0.021 ♦ SR'355 I0 ASH BASIN BOUNDARY
• • `. ASH BASIN COMPLIANCE BOUNDARY
♦ •�1 •♦ ty < ; `` `� 3 DUKE ENERGY PROGRESS ASHEVILLE PLANT BOUNDARY
{ • •K 9`02� o ,� - • ♦ SR3y5 -)~ - - DITCH
■ �
♦ • ► •, 1 MW-09S r� J40 POND ' 1 STREAM
yip `♦ •�. 1964 ASH r r LAKE a
11'r P • • BASIN
-GW-01 ♦ " 3
ABMW02 BMW-05S . N S 3618
0.136 0.- 6 R
CB-0 ' t♦
Potential vertical a -0.133 BM -0
Well ID Gradient Direction 0:015 ♦,-'
Transition G 1982ASH
ABMW-02 to ABMW-02S -0.136 Upward BASIN ■ ♦ POTENTIAL VERTICAL GRADIENT
ABMW-04toABMW-04D 0.015 Downward ' BETWEEN ALL OTHER ZONES
ABMW-05S to ABMW-05D 0.116 Downward ` 1
ABMW-07 to ABMW-07S 0.727 Downward ♦ BM -0 PZ-24 ♦ 1-
CB-07 to MW-18D -0.133 Upward ' 0.727 0.094 • POTENTIAL VERTICAL GRADIENT
CB-09 to CB-09SL -0.021 Upward r , �' MW-06S ♦♦ - -0.93: UPWARD (1.0 foot per foot) GW-01 to GW-01D -0.014 Upward •♦ ' 0.037 y�yA , NOTES:
MW-06S to MW-06D 0.037 Downward ♦ S�� -�'� �+� • �. 1 WATER LEVELS WERE COLLECTED BY SYNTERRA ON JUNE 29, 2015
MW-10 to AMW-3A 0.000 - ��' '-. ass , ♦ i` 0
MW-11 to MW-11D 0.029 Downward - �+' ; { Z SITE AERIAL ORTHOPHOTOGRAPHY IS DATED APRIL 17, 2014. IT WAS OBTAINED
MW-15A to MW-15D -0.021 Upward ♦ • ■ 0.93: DOWNWARD (1.0 foot per foot) FROM WSP
MW-230U to MW-23DL -0.208 Upward MW-23DU MW'10 {
♦ '� • �♦ 0.208 0.000 ; 3 ADDITIONAL OFFSITE AERIAL ORTHOPHOTOGRAPHY IS DATED 2012. IT WAS
MW-9S to MW-9D 0.008 Downward --
PZ-24 to MW-04D 0.094 Downward ♦• �. 4P • ♦♦ � � � ■ OBTAINED FROM THE NC CENTER FOR GEOGRAPHIC INFORMATION AND ANALYSIS.
` - tt •//Services nconema ovI
�E • (h p. P 9 )
* LIAN �� ,� 3 4 PARCEL BOUNDARY WAS OBTAINED FROM THE NC CENTER FOR GEOGRAPHIC
IV y _ A. 1. - ,•� j R.35S'- INFORMATION AND ANALYSIS. (http://services.nconemap.gov/)
MIA 5D M 018D CB-09SL ;` '♦ SR'3552• / 5 DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANE
A 0.000 0.779 • MW-24S COORDINATE SYSTEM FIPS 3200 (NAD83/2011)
1 % 0.0 2
CB-08 0.25t
■ 0.113 9d'i� 2a r ♦` '-,�•�.� SR35yo
ycP 2
- ♦ MW-09D y a POND '1
�w .5 MW-16A 0.049
y� 0.007 MW-08S �L r �r LAKE '%
' • • - GW-01D JULIAN f r �• -
SR.366a ♦ •�� 0.070 ,•�•1 Fa_SR361a GRAPHIC SCALE
450 0 450 900 1,350 1,800 2,250
Potential Vertical ■ .�w�
Well ID Gradient Direction 1964ASH ABMW-OSD {
BASIN MW-01D ' ♦ �` (IN FEET)
Bedrock '° 0.099 ♦ ' '._
:BMW-05D to ABMW-05BR 0.099 Downward MW-18D ABMW-04D -0.233 ti ; .- . _ �-
+.BMW-0to ABMW-04BR -0.041 Upward S , DUKE
0.021 1982 ASH ♦ ' ■ h
;BMW-07S 0:148
75 to ABMW-07BR 0.931 Downward C'.B-01D
AMW-3Ato AMW-3B 0.015 Downward p BASIN 0.005 . • • 11
CB-01D to CB-01BR o.005 Downward 16, PZ-17S ♦ �
CB-08 to CB-08BR 0.113 Downward O 0.710 �....� ♦ �. , ' - • - ■ `(r tip <t� E N E RGY.
CB Or9SLCB-4 to CB-098R 0.277 Downward ABMW-07S - ♦ • ♦• Ter■ �A
PZ-23
CB-4 to GW-0 0.070 Downward ��' 0.931 • • 1 - - S� PROGRESS
GW-01D to GW-016R 0.070 Downward r try MW-08D 0,189
•. I -0.112 POTENTIAL VERTICAL GRADIENT
MW-01D to MW-01BR -0.233 Upward . BETWEEN BEDROCK AND ALL
p ♦ ' , s ♦ ♦ 148 RIVER STREET, SUITE 220, ASHEVILLE STEAM ELECTRIC PLANT
MW-03D to MW-038R -0.078 Upward ♦ 4 MW-030 s� �
MW-05D to MW-05BR 0.039 Downward - K- d ♦ �. OTHER ZONES
■ -0.078 0s • GRE864421- 999 9601 ARDEN, NORTH DRIVE
MW-06D to MW-066R -0.112 Upward _ � MW-OSD ry „'+
♦ 5h { 1 www.synterracorp.com
MW-085 to MW-088R 0.540 Downward • 0.039 CB-04 Q' _♦ ■
9 POTENTIAL VERTICAL GRADIENT DRAWN BY: C. ROE DATE: 11/18/2015
MW-09D to MW-098R 0.049 Downward w _ 0•477 AMW-03A { .r,
MW-12D to MW-12BR 0.251 Downward • - • ♦ 0.01 5 • - -0.93: UPWARD (1.0 foot per foot) NECKED BY: T. PLATING I DATE: 11102/2015
MW-13D to MW-13SR -0.018 Upward ♦ _ ♦ { _ ROJECT MANAGER: T PLATING
MW-15D to MW-15BR 0.000 - ♦��• '` r ■
M0. r { 0 FIGURE 3-3
MW-16A to MW-16BR 0.007 Downward 0. -2 -
MW-18DtoMW-18BR -0.148 Upward POTENTIAL VERTICAL GRADIENT
MW-22D to MW-22BR 0.262 Downward ♦ • _ ,- _ ,:. <� ■ 0.93: DOWNWARD ( 1.0 foot per foot)
MW-245 to MW-248R -0.092 Upward ''. { 4's �
BETWEEN SHALLOW AND DEEP ZONES
PZ-23t to PZ-17D U:18B Downward �, .'� ��6'S6 x giZ3591 ASHEVILLE STEAM ELECTRIC PLANT

A
z
IT
4
� �a
• J `I
'1 A.
♦�
A.
• , t
t �/ �.` •,fir
` � r
♦
♦ ,.
� l ,
LEGEND
1
TOTAL Eh MEASURMENT (MV)
Eh CONTOUR (Interval 50 TIV)
ie
MONITORING WELL
Q
PIEZOMETER
Q
ASH BASIN BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY
DUKE ENERGY PROGRESS ASHEVILLE PLANT BOUNDARY
—)~ — -
DITCH
�—
STREAM
Eh MEASUREMENT
— 339.115 mV
0
-24.8513 mV
NOTES:
I MEASUREMENTS SHOWN ARE FROM THE MAY 2015 SAMPLING EVENT.
2 MEASUREMENTS SHOWN ARE FROM THE JULY 2015 SAMPLING EVENT.
3 MEASUREMENTS SHOWN ARE FROM THE SEPTEMBER 2015 SAMPLING EVENT.
4 SITE AERIAL ORTHOPHOTOGRAPHY IS DATED APRIL 17, 2014. IT WAS OBTAINED
FROM WSP.
3 ADDITIONAL OFFSITE AERIAL ORTHOPHOTOGRAPHY IS DATED 2012. IT WAS
OBTAINED FROM THE INC CENTER FOR GEOGRAPHIC INFORMATION AND ANALYSIS.
(http://services.nconemap.gov/)
8 PARCEL BOUNDARY WAS OBTAINED FROM THE INC CENTER FOR GEOGRAPHIC
INFORMATION AND ANALYSIS. (http://services.nconemap.gov/)
I DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANE
COORDINATE SYSTEM RIPS 3200 (NAD8312011).
GRAPHIC SCALE
300 0 300 600 900 1200 1500
(IN FEET)
0
'tip 4n DUDE
ENER+GYo
)mTerra PROGRESS
a
148 RIVER STREET, SUITE 220, ASHEVILLE STEAM ELECTRIC PLANT a
GREENVILLE, SC 29601 200 CP & L DRIVE w
864-421-9999 ARDEN, NORTH CAROLINA w
www.synterracorp.com 00
FIGURE 3-4
ISOCONCENTRATION MAP
Eh IN ASH PORE WATER
ASHEVILLE STEAM ELECTRIC PLANT

♦ L
♦� N
%' (MW-11
• 298
1 �
obt
•
■
14
, r
• MW-1'5A 1 r
`✓ 356 �� r
1 �
• � • ♦ T
1 ♦ '
M W' 09
MW-,16A 384
z�>
If
r
A P-105
279
^�G
I P-704�
184
APD-07 f
270.7
r
tr
_J
MW-20A
• 296
1
196.5• • . .
.` moo ��`•
` � r
1r . r
(• ' 4r
� l ,
A.
op
tA.
•- �.�.-M
1
1
■
1
■
i
1
.`
1
IN
LAKE `
ULIAN
• f
CB- 01 1
,•
LEGEND
1
TOTAL Eh MEASURMENT (MV)
Eh CONTOUR (Interval 50 TIV)
MONITORING WELL
Q
PIEZOMETER
Q
ASH BASIN BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY
DUKE ENERGY PROGRESS ASHEVILLE PLANT BOUNDARY
—)~ — —
DITCH
STREAM
Eh MEASUREMENT
- 339.115 mV
0
-24.8513 mV
NOTES:
I MEASUREMENTS SHOWN ARE FROM THE MAY 2015 SAMPLING EVENT.
2 MEASUREMENTS SHOWN ARE FROM THE JULY 2015 SAMPLING EVENT.
3 MEASUREMENTS SHOWN ARE FROM THE SEPTEMBER 2015 SAMPLING EVENT.
4 SITE AERIAL ORTHOPHOTOGRAPHY IS DATED APRIL 17, 2014. T WAS OBTAINED
FROM WSP.
3 ADDITIONAL OFFSITE AERIAL ORTHOPHOTOGRAPHY IS DATED 2012. IT WAS
OBTAINED FROM THE INC CENTER FOR GEOGRAPHIC INFORMATION AND ANALYSIS.
(http://services.nconemap.gov/)
8 PARCEL BOUNDARY WAS OBTAINED FROM THE INC CENTER FOR GEOGRAPHIC
INFORMATION AND ANALYSIS. (http://services.nconemap.gov/)
I DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANE
COORDINATE SYSTEM RIPS 3200 (NAD8312011).
300 •< ` GRAPHIC SCALE
L�
- ♦ 300 0 300 600 900 12 1 500
4. � • 7 �s *!. (IN FEET)
0
'tip
DUKE
a
ENERG`'o
Terra PROGRESS
syn r
a
a
148 RIVER STREET, SUITE 220, ASHEVILLE STEAM ELECTRIC PLANT o
GREENVILLE, SC 29601 200 CP & L DRIVE m
864-421-9999 ARDEN, NORTH CAROLINA a
www.synterracorp.com m
FIGURE 3-5
ISOCONCENTRATION MAP
Eh IN SURFICIAL GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT

N
A J. A
;------
MW-11D
• 296
1 �
1
■
MW-15D- \ 1 Ps�oo wo o
✓ W"�'
� . GCB-08 37
♦' , `♦ 502
Ak
` MW-12D/400
\ \. 450
MW-09D
♦' A. ;
-' 0
L .��`s0
\ MW- 8D
210 A 300
s
c0 0
a
iETTL'ING
POND
19641ASH
BASIN_
ABMW-04D
�22&/
1
1
■
1
I �•
1
%
■
HOT POND 1
1 -
\
1r r �♦
LAKE
JULIAN ♦.�
GW-01 D '♦
488 �'. • .'1
■
90
AW-01 D
1 1
CB-01 D ■
327 <�•'
I `
MW=04D �t "
3,
w >'
♦ \
` L •, 1
3 AMW'02A -fMW-23DL ` 1
�.� ♦' 171 72 \
BMW-21D • N. •�• ; 1 ,dt"
429 ♦. MW=23DU }+ A `
♦ 1
MW-22D 390 ` A.
393lip-
♦ . I \ f h ♦� '
i._ ,♦ ' ,$
■ �4#
L >
7 A116-
D
1
LEGEND
1
TOTAL Eh MEASURMENT (MV)
MONITORING WELL
G
PIEZOMETER
Eh CONTOUR (Interval 50 TIV)
0
ASH BASIN BOUNDARY
_ _ !
ASH BASIN COMPLIANCE BOUNDARY
DUKE ENERGY PROGRESS ASHEVILLE PLANT BOUNDARY
—)~ — -
DITCH
STREAM
Eh MEASUREMENT
— 339.115 mV
0
-24.8513 mV
NOTES:
1 MEASUREMENTS SHOWN ARE FROM THE MAY 2015 SAMPLING EVENT.
2 MEASUREMENTS SHOWN ARE FROM THE JULY 2015 SAMPLING EVENT.
3 MEASUREMENTS SHOWN ARE FROM THE SEPTEMBER 2015 SAMPLING EVENT.
4 SITE AERIAL ORTHOPHOTOGRAPHY IS DATED APRIL 17, 2014. IT WAS OBTAINED
FROM WSP.
3 ADDITIONAL OFFSITE AERIAL ORTHOPHOTOGRAPHY IS DATED 2012. IT WAS
OBTAINED FROM THE INC CENTER FOR GEOGRAPHIC INFORMATION AND ANALYSIS.
(http://services.nconemap.gov/)
8 PARCEL BOUNDARY WAS OBTAINED FROM THE INC CENTER FOR GEOGRAPHIC
INFORMATION AND ANALYSIS. (http://services.nconemap.gov/)
I DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANE
COORDINATE SYSTEM RIPS 3200 (NAD8312011).
GRAPHIC SCALE
300 0 300 600 900 1200 1 500
(IN FEET)
0
4n DUKE
a
ENERGYo
Terra PROGRESS
syn r
a
a
148 RIVER STREET, SUITE 220, ASHEVILLE STEAM ELECTRIC PLANT o
GREENVILLE, SC 29601 200 CP & L DRIVE m
864-421-9999 ARDEN, NORTH CAROLINA a
www.synterracorp.com m
FIGURE 3-6
ISOCONCENTRATION MAP
Eh IN TRANSITION ZONE GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT

•
N
• —
1
1 -
• M W-14BR
1 �� i270
• 250
1
• �MW-13BR
\ 258
• 1 CB-08BR
\ \ ,4150
1 ♦ •
• MW-09BR
\• ► • 156
♦� MW-16BR1
• 165' �
• GW-02-4
♦ 281.6
L � �
19641ASH
BASIN
I
PZ-17D
243.8
PZ-17S
37$`�
Ilk
r
z�>
1
i
r
■
1
\
L ,
♦,
I
r
HOT POND
1
A A.
�♦
LAKE
7
JULIAN
♦.<
GW-01BR
'♦
•`•
149
�•. •'1
I�ho
ABMW-05BR
139
MW=07 BIR
258
•
1.
1
1982 ASH
%
BASIN
I.
MW-02BR
272
�t
250
AM W-01 B
'25 � s
o �
I
N-22BR
158 �. � �'y
• r
♦ 4.
r �
� l ,
t
A -A.
LEGEND
1
TOTAL Eh MEASURMENT (MV)
Eh CONTOUR (Interval 50 TIV)
MONITORING WELL
Q
PIEZOMETER
0
ASH BASIN BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY
DUKE ENERGY PROGRESS ASHEVILLE PLANT BOUNDARY
—)- — —
DITCH
)10
STREAM
Eh MEASUREMENT
— 339.115 ITV
0
-24.8513 mV
NOTES:
I MEASUREMENTS SHOWN ARE FROM THE MAY 2015 SAMPLING EVENT.
2 MEASUREMENTS SHOWN ARE FROM THE JULY 2015 SAMPLING EVENT.
3 MEASUREMENTS SHOWN ARE FROM THE SEPTEMBER 2015 SAMPLING EVENT.
4 SITE AERIAL ORTHOPHOTOGRAPHY IS DATED APRIL 17, 2014. IT WAS OBTAINED
FROM WSP.
3 ADDITIONAL OFFSITE AERIAL ORTHOPHOTOGRAPHY IS DATED 2012. IT WAS
OBTAINED FROM THE INC CENTER FOR GEOGRAPHIC INFORMATION AND ANALYSIS.
(http://services.nconemap.gov/)
8 PARCEL BOUNDARY WAS OBTAINED FROM THE INC CENTER FOR GEOGRAPHIC
INFORMATION AND ANALYSIS. (http://services.nconemap.gov/)
I DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANE
COORDINATE SYSTEM RIPS 3200 (NAD8312011).
1 .0•.
IF
•t , \• GRAPHIC SCALE
♦ 300 0 300 600 900 12 1 500
��. (IN FEET)
oo
AMW-03B ■
p0 136�
•
1
/ F
0
'tip
DUKE
ENERGY
synra TerPROGRESS
a
148 RIVER STREET, SUITE 220, ASHEVILLE STEAM ELECTRIC PLANT a
GREENVILLE, SC 29601 200 CP & L DRIVE
864-421-9999 ARDEN, NORTH CAROLINA
www.synterracorp.com m
FIGURE 3-7
ISOCONCENTRATION MAP
Eh IN BEDROCK GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT

A
Imp
SW-01
236:2
aso� i
01
257.8
•�250 •t
d
10 ;r,-
r�?
>* F--ff .
1982 ASH
BASIN
k
.♦ I
P-01 " r
247.8
.�O t
r 1 �
lip -
Ilk
FB-01
I297�.2
ilt
jjJuLfAAN
e.��
w
LEGEND
1
TOTAL Eh MEASURMENT (mV)
Eh CONTOUR (Interval 50 mV)
ie
MONITORING WELL
Q
PIEZOMETER
®
SEEP
0
SURFACE WATER POINT
ASH BASIN BOUNDARY
1
ASH BASIN COMPLIANCE BOUNDARY
DUKE ENERGY PROGRESS ASHEVILLE PLANT BOUNDARY
DITCH
STREAM
Eh MEASUREMENT
�-
633 mV
=
0
.24 mV
NOTES:
I CONCENTRATIONS SHOWN ARE FROM THE APRIL 2015 SAMPLING EVENT.
2 CONCENTRATIONS SHOWN ARE FROM THE JUNE 2015 SAMPLING EVENT.
9 CONCENTRATIONS SHOWN ARE FROM THE AUGUST 2015 SAMPLING EVENT.
4 SITE AERIAL ORTHOPHOTOGRAPHY IS DATED APRIL 17, 2014. IT WAS OBTAINED
FROM WSP,
5 ADDITIONAL OFFSITE AERIAL ORTHOPHOTOGRAPHY IS DATED 2012. IT WAS
OBTAINED FROM THE NC CENTER FOR GEOGRAPHIC INFORMATION AND ANALYSIS.
(http://services.nconemap.gov/)
8 PARCEL BOUNDARY WAS OBTAINED FROM THE NC CENTER FOR GEOGRAPHIC
INFORMATION AND ANALYSIS. (http://services.noonemap.gov/)
7 DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANE
COORDINATE SYSTEM RIPS 3200 (NAD83/2011).
GRAPHIC SCALE
400 0 400 800 1200 16 2 000
(IN FEET)
0
�'r DUKE
IF
ENERGYo
WnTerm PROGRESS
a
148 RIVER STREET, SUITE 220, ASHEVILLE STEAM ELECTRIC PLANT o
GREENVILLE, SC 29601 200 CP & L DRIVE w
864-421-9999 ARDEN, NORTH CAROLINA 2
www.synterracorp.com m
FIGURE 3-8
ISOCONCENTRATION MAP
Eh IN SEEPS AND SURFACE WATER
ASHEVILLE STEAM ELECTRIC PLANT

\ ABMW-02
8.3
ABMW-04
S.1
1
AN LEGEND
1 TOTAL pH CONCENTRATION
1� pH CONTOUR ( Interval 1 pH unit)
ie MONITORING WELL
• Q PIEZOMETER
0 ASH BASIN BOUNDARY
i ASH BASIN COMPLIANCE BOUNDARY
DUKE ENERGY PROGRESS ASHEVILLE PLANT BOUNDARY
♦. > DITCH
`%' 1' 1 STREAM
pH CONCENTRATION
- 14
%. y0 - NEUTRAL
h
LAKE ,• Q=� 0
JULIAN
•
.
NOTES:
-
1
CONCENTRATIONS SHOWN ARE FROM THE MARCH 2O15 SAMPLING EVENT.
= a
r
CONCENTRATIONS SHOWN ARE FROM THE MAY 2015 SAMPLING EVENT.
`•
a CONCENTRATIONS SHOWN ARE FROM THE SEPTEMBER 2015 SAMPLING EVENT.
�•
^ SITE AERIAL ORTHOPHOTOGRAPHY IS DATED APRIL 17, 2014. IT WAS OBTAINED
1982 ASH
1,
.
FROM WSP.
BASIN
0
♦
•♦
5
ADDITIONAL OFFSITE AERIAL ORTHOPHOTOGRAPHY IS DATED 2012. IT WAS
r
♦
•
OBTAINED FROM THE NC CENTER FOR GEOGRAPHIC INFORMATION AND ANALYSIS.
(http://services.nconemap.gov/)
`+ 7
7 PARCEL BOUNDARY WAS OBTAINED FROM THE INC CENTER FOR GEOGRAPHIC
'
. , ` ♦
INFORMATION AND ANALYSIS. (http://services.nconemap.gov/)
ABMW-08
<
6.6 �
t •♦
e DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANE
L
COORDINATE SYSTEM RIPS 3200 (NAD8312011).
�
L� ` 1
1 ` ` �10 •♦
`. / ♦ .� 'n
♦ ��� •♦
I
A.
♦ ,
s
,I 'o r
P
1
GRAPHIC SCALE
260 0 260 520 780 1040 1 300
(IN FEET)
47
0
:•� DUKE
ENERGY.
Terra PROGRESS
syn s
a
'a
148 RIVER STREET, SUITE 220, ASHEVILLE STEAM ELECTRIC PLANT o
GREENVILLE, SC 29601 200 CP & L DRIVE w
864-421-9999 ARDEN, NORTH CAROLINA a
www.synterracorp.com 0°
FIGURE 3-9
p'`9y ISOCONCENTRATION MAP
pH IN ASH PORE WATER
JIM- III ASHEVILLE STEAM ELECTRIC PLANT

N LEGEND
A ----
1 TOTAL pH CONCENTRATION
LAKE pH CONTOUR (Interval 1 pH unit)
♦ ' JUL]AN ie MONITORING WELL
,♦ Q PIEZOMETER
♦ MW-11 Q ASH BASIN BOUNDARY
♦ 5 _ _ _ _ ! ASH BASIN COMPLIANCE BOUNDARY
1 I DUKE ENERGY PROGRESS ASHEVILLE PLANT BOUNDARY
F5' CB-09SL —)~ — - DITCH
5.8 STREAM
MW-1'5A- �► ♦ 1 r < ,CB 09
•�4.9 ♦ '
� '� pH CONCENTRATION
Ilk♦ r r a - 14
♦ ♦ `• - NEUTRAL
SETTLING
• < PF105POND p
♦ • 5 a
"
W,59S P5 7 APD=07 �P' 5.5 r < HOT POND y0
�y MW-16A • 5.7m ) SR3y. NOTES:
♦ r •9 � W-08S DP 01 , CONCENTRATIONS SHOWN ARE FROM THE APRIL 2015 SAMPLING EVENT.
•
♦ • g� 6.2 g--7.1 v
• A, • • LAKE t 2 CONCENTRATIONS SHOWN ARE FROM THE JUNE 2015 SAMPLING EVENT.
♦• ♦ • / 5 � 7 JULIAN +v.
�6 • t CONCENTRATIONS SHOWN ARE FROM THE AUGUST 2015 SAMPLING EVENT.
•♦ • ABMW702S G 4 6 1 SITE AERIAL ORTHOPHOTOGRAPHY IS DATED APRIL 17, 2014. IT WAS OBTAINED
fr MW-17A 3.9 ABMW-05S h FROM WSP.
• / I
/6.2 5.7 `
} < 1964 ASH < PZ-Y6 5 ADDITIONAL OFFSITE AERIAL ORTHOPHOTOGRAPHY IS DATED 2012. IT WAS
6+ BASIN P-103 4 8 �� OBTAINED FROM THE NC CENTER FOR GEOGRAPHIC INFORMATION AND ANALYSIS.
GW-03 5.6 1 (http://services.nconemap.gov/)
C5.6 5.7 �� ?,� e PARCEL BOUNDARY WAS OBTAINED FROM THE INC CENTER FOR GEOGRAPHIC
5.6 INFORMATION AND ANALYSIS. (http://services.nconemap.gov/)
` 4 T
i
Z ' 1982 ASH CB 01 1' ,. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANE
BASIN, v e COORDINATE SYSTEM RIPS 3200 (NAD8312011).
PZ-19 P-101 �� 1 . ♦• i
5.7 5.7 4`
P-100 ABMW-07S
5.4 6.3 PZ-23 < ♦•
�P �♦ MW-06S 5.4 FJ L < ♦• $% GRAPHIC SCALE
r %` 300 0 300 600 900 1200 1 500
♦ ' PZ-22 CB-02 PZ-24 / •
• M W-20A 5.5 CB-04 6 • ` •
♦� �_ 6 5.1 5.3 s'7 �� • 1 �• ���♦ ON FEET)
r
%.� ; ♦•
� � 1
1
DUKE
0.
ENERGY
'•%.. -.} ` Terra PROGRESS
' s
•, - t ` - - a� - 148 RIVER STREET, SUITE 220, ASHEVILLE STEAM ELECTRIC PLANT
-� ♦ �"r ♦ �^ ! _ " GREENVILLE, SC 29601 200 CP $ L DRIVE
�� ♦ �' % 864-421-9999 ARDEN, NORTH CAROLINA
- - ♦ ♦ • - ;*� www.synterracorp.com
-- 1. ♦ �� r i- _ '. - DRAWN BY: C. ROE I DATE: 11/05/2015
. NS PROJECT MANAGER: T. PLATING
DATE10/30/2015
:
1 ?6sb 9 3yg ( yR
s; �►Q� t= r � - � �' y� �;, 5e- �; .. FIGURE 3-10
ISOCONCENTRATION MAP
pH IN i r • Q—. ,� A c, La ASHEVILLE S EIAM ELECTRIC PLANT

N
•
►
• \ MW-14BR
1 \ \ r 6.8
PMW-13
• �, • ♦ T 6'� 5:4i
• � � CB-08BR
' ' • MW709BR
Ilk♦ 7 7.2
♦� MW 16BR -
•
•
♦• L ; • 6
`, • GW-02A
• 5.5
• aal,
MW-18BR
5.9
T
r
CB-09BR
6.3
A.
96,'�ASH
BASIN
PZ-1 i
5.8
PZ-17S
5.4
11 _
1 �
� 7
� GW-01 BR
9
i�
ABMW-OSBR � / MWcp
-01BR
\ 9.4 �� ,
j 7
1982,ASH
BASIN
MW-02BR
L 8.8
♦, �•.� MW-05BR
7.8
\ CB-04B .L
` 7♦ )t•a AMW-01B �-
(� MW-22BR
615 '
'' •r s
� ► • sS6.
'rL
LAKE
JULIAN ♦.
♦ '♦,
J ,
♦, 40,
.p ►
ass �♦ spa
AMW-03B 1
7.7� i ►
.♦
♦' ` 1 5
0.
La
r N
h
a�
LEGEND
1
TOTAL pH CONCENTRATION
pH CONTOUR ( Interval 1 pH unit)
MONITORING WELL
Q
PIEZOMETER
ASH BASIN BOUNDARY
- 7 - 1
ASH BASIN COMPLIANCE BOUNDARY
DUKE ENERGY PROGRESS ASHEVILLE PLANT BOUNDARY
DITCH
i•
STREAM
pH CONCENTRATION
- 14
- NEUTRAL
0
NOTES:
CONCENTRATIONS SHOWN ARE FROM THE MAY 2015 SAMPLING EVENT
2 CONCENTRATIONS SHOWN ARE FROM THE SEPTEMBER 2015 SAMPLING EVENT
9 SITE AERIAL ORTHOPHOTOGRAPHY IS DATED APRIL 17, 2014. T WAS OBTAINED
FROM WSP.
4 ADDITIONAL OFFSITE AERIAL ORTHOPHOTOGRAPHY IS DATED 2012. IT WAS
OBTAINED FROM THE NC CENTER FOR GEOGRAPHIC INFORMATION AND ANALYSIS.
(http://services.nconemap.gov/)
5 PARCEL BOUNDARY WAS OBTAINED FROM THE NC CENTER FOR GEOGRAPHIC
INFORMATION AND ANALYSIS. (http://services.nconemap.gov/)
6 DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANE
COORDINATE SYSTEM RIPS 3200 (NAD8312011).
GRAPHIC SCALE
300 0 300 600 900 1200 1500
(IN FEET)
E
0
DUKE
0
ENERGY,
�/�'�Terra PROGRESS
ft '
148 RIVER STREET, SUITE 220, ASHEVILLE STEAM ELECTRIC PLANT o
GREENVILLE, SC 29601 200 CP & L DRIVE w
864-421-9999 ARDEN, NORTH CAROLINA 2
www.synterracorp.com m
FIGURE 3-12
ISOCONCENTRATION MAP
pH IN BEDROCK GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT

N
A
SR-36r
SR-3486
!
•+.•-�• L
I
A
SW,01
f 6.3• r
• N-01
7.2
F602
6.'9
�\ A!01
�6.1� ♦,
♦ i q
♦ SW-04
• ryj
�6;-'5.4
♦A •
♦ B-01 ; 1964
♦ 7.1, . . ate• `� 64EO-03 ASH
6+ BASIN
a6� C-02•
`• 6.5 I 64E0-02
Al C-01
D-01 64EO-01
E-01
2_ 6.8
III. / 6
�. F-01
1
- F-03
\Lt 7.1 R6.3 - .
� F-02 , -
15.5 'i i . P-01 !
7 ►
\ \ ',♦ � � sue. �
1
r 1 �►
�• s�,
v'
id
v`
Qy'.,• . .
gw
•
LEGEND
TOTAL pH CONCENTRATION
pH CONTOUR ( Interval 1 pH unit
a
MONITORING WELL
Q
PIEZOMETER
•
SEEP
■
SURFACE WATER POINT
Q
ASH BASIN BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY
DUKE ENERGY PROGRESS ASHEVILLE PLANT BOUNDARY
—)~ — -
DITCH
STREAM
pH CONCENTRATION
- 14
NEUTRAL
0
NOTES:
1 CONCENTRATIONS SHOWN ARE FROM THE APRIL 2015 SAMPLING EVENT.
2 CONCENTRATIONS SHOWN ARE FROM THE JUNE 2015 SAMPLING EVENT.
3 CONCENTRATIONS SHOWN ARE FROM THE AUGUST 2015 SAMPLING EVENT.
4 SITE AERIAL ORTHOPHOTOGRAPHY IS DATED APRIL 17, 2014. IT WAS OBTAINED
FROM WSP.
5 ADDITIONAL OFFSITE AERIAL ORTHOPHOTOGRAPHY IS DATED 2012. IT WAS
OBTAINED FROM THE NC CENTER FOR GEOGRAPHIC INFORMATION AND ANALYSIS.
(http://services.nconemap.gov/)
6 PARCEL BOUNDARY WAS OBTAINED FROM THE NC CENTER FOR GEOGRAPHIC
INFORMATION AND ANALYSIS. (http://services.noonemap.gov/)
7 DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANE
COORDINATE SYSTEM FIPS 3200 (NAD83/2011).
GRAPHIC SCALE
400 0 400 Sao 1,200 1600 2,000
(IN FEET)
0
tip <t� DUKE
0
ENERGY
SynTerra PROGRESS
'a
148 RIVER STREET, SUITE 220, ASHEVILLE STEAM ELECTRIC PLANT o
GREENVILLE, SC 29601 200 CP & L DRIVE w
864-421-9999 ARDEN, NORTH CAROLINA a
www.synterracorp.com m
FIGURE 3-13
ISOCONCENTRATION MAP
pH IN SEEPS AND SURFACE WATER
ASHEVILLE STEAM ELECTRIC PLANT

ii
SR-3564
r
r
L J
` ' 0
1 7j�j ``
A
do
�.,' ' • 0
♦ � to
�I • , r
1 '` s,P,
• a
t sss
Q
J
` SR'3s
1
1
• 1
f ♦♦
♦� 1
'N;p
"'s
LEGEND
1
DISSOLVED OXYGEN (DO) CONCENTRATION (mg1L)
DO CONTOUR (Interval 1 mg1L)
MONITORING WELL
Q
PIEZOMETER
ASH BASIN BOUNDARY
_ !
ASH BASIN COMPLIANCE BOUNDARY
L
DUKE ENERGY PROGRESS ASHEVILLE PLANT BOUNDARY
—)- — —
DITCH
10
STREAM
DO CONCENTRATION
— 9.8 mg1L
— 5 mg/L
0 mg1L
NOTES:
CONCENTRATIONS SHOWN ARE FROM THE MAY 2015 SAMPLING EVENT
2 CONCENTRATIONS SHOWN ARE FROM THE SEPTEMBER 2015 SAMPLING EVENT
3 SITE AERIAL ORTHOPHOTOGRAPHY IS DATED APRIL 17, 2014. T WAS OBTAINED
FROM WSP.
4 ADDITIONAL OFFSITE AERIAL ORTHOPHOTOGRAPHY IS DATED 2012. IT WAS
OBTAINED FROM THE INC CENTER FOR GEOGRAPHIC INFORMATION AND ANALYSIS.
(http://services.nconemap.gov/)
5 PARCEL BOUNDARY WAS OBTAINED FROM THE INC CENTER FOR GEOGRAPHIC
INFORMATION AND ANALYSIS. (http://services.nconemap.gov/)
6 DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANE
COORDINATE SYSTEM RIPS 3200 (NAD8312011).
GRAPHIC SCALE
300 0 300 600 900 1200 1500
(IN FEET)
'tip ,fin DUKE
�C' ENERGYo
syTerran PROGRESS
148 RIVER STREET, SUITE 220, ASHEVILLE STEAM ELECTRIC PLANT
GREENVILLE, SC 29601 200 CP & L DRIVE
864-421-9999 ARDEN, NORTH CAROLINA
www.synterracorp.com
FIGURE 3-14
ISOCONCENTRATION MAP
DISSOLVED OXYGEN IN ASH PORE WATER
ASHEVILLE STEAM ELECTRIC PLANT

e
N LEGEND
A ,
�: L? 1 DISSOLVED OXYGEN (DO) CONCENTRATION (mg/L)
� ♦ � r � m�µ�+E- " „�✓� � DO CONTOUR (Interval 1 mg/L)
MONITORING WELL
� r `� - � ' � - � � -' • Q PIEZOMETER
1 1 Q ASH BASIN BOUNDARY
e MW-11 ASH BASIN COMPLIANCE BOUNDARY
1 98 , ■ DUKE ENERGY PROGRESS ASHEVILLE PLANT BOUNDARY
1
—)~ — - DITCH
CB-09SL STREAM
■ 2.61 .
1 r .
MW-1'5A�-♦ 1 1 979 - 1
• 0.:1 �♦ r
• r e• DO CONCENTRATION
`e 1 ` e� ♦� - 9.8 mg/L
A. ' ♦ 1 5m/L
• . �9`Ly SETITLING 9
•�� � �'< P-105 �'ti POND , _ � � � � • 1
9/
e � MW-09S' P-104 APD-07 < HOT POND `�
♦� MW 16A 3 0.87 1.2 NOTES:
°♦ 0,83 CONCENTRATIONS SHOWN ARE FROM THE APRIL 2015 SAMPLING EVENT
T. • MW-08S DP-01 �♦ h
♦° •• 1.18 0.74 r a ,r . "� z CONCENTRATIONS SHOWN ARE FROM THE JUNE 2015 SAMPLING EVENT. ♦ 5�
♦ a �., LAKE ` ` 3 CONCENTRATIONS SHOWN ARE FROM THE AUGUST 2015 SAMPLING EVENT.
• 7 JULIAN ♦.
♦ • ` ^ L 0
SITE AERIAL ORTHOPHOTOGRAPHY IS DATED APRIL 17, 2014, IT WAS OBTAINED
- ° ' GW-1 ♦
MW-17A ABMW-02S 1 1 • ��1 FROM WSP.
0.49 ■ BM-O5S 5 ADDITIONAL OFFSITE AERIAL ORTHOPHOTOGRAPHY IS DATED 2012. IT WAS
AW
i 1964ASHi P- 103 4 8 �a < PZ-J26 2 ; OBTAINED FROM THE NC CENTER FOR GEOGRAPHIC INFORMATION AND ANALYSIS.
°'o+ a BASIN 1 (http://services.nconemap.gov/)
GW-03 3 r 6 PARCEL BOUNDARY WAS OBTAINED FROM THE NC CENTER FOR GEOGRAPHIC o
CB-0 7 1.1 4� ��'_; INFORMATION AND ANALYSIS. (http://services.noonemap.gov/)
y CB;oi 1 7 DRAWING HAS BEEN SET WITH PROJECTION OF NORTH CAROLINA STATE PLANE o
1982ASH 8:34
c1 COORDINATE SYSTEM FIPS 3200 (NAD83/2011). T 1
= . ♦ y
BASIN r . 3
�O CB-06 �♦ 1
�O 0.6 PZ-19 P-101
2.. 8
0.24 ♦ GRAPHIC SCALE N
P 1'
N ABMW-07S% PZ-23 < + e 300 0 300 600 900 1 200 1 500 p
0.8 ♦ o
SR-3564
xa y T �? `♦ MW-06S 0. 2 L ♦' (IN FEET)
• 0.45 PZ-24 7
e° MW-20A CB-04' CB-02 1.02 .� 1 ��♦ .. LL
0.73 4.2 0.83 . 1
PZ-22 Ei.. ♦♦I♦ a SR o
s
0.56 :: ■ • 3523 a
tip
/r� DUKE
_ 3
�C ENERGY
- s�L? wnTerra PROGRESS
e° ' •♦ • • • ; 1 148 RIVER STREET, SUITE 220, ASHEVILLE STEAM ELECTRIC PLANT 5
• GREENVILLE, SC 29601 200 CP & L DRIVE ¢
� r °♦ � � r�: ♦ 1 864-421-9999 ARDEN, NORTH CAROLINA o
° ` , ♦ ` i .♦ wwwsynterracorp.com LU
• I �♦ t DRAWN BY: C. ROE DATE: 11/05/2015 m
♦ ♦ _ 1CHECKED BY: T. PLATING DATE: 10/30/2015
l N
11 ♦° ' ♦ - PROJECT MANAGER: T. PLATING o
'N;, FIGURE 3-15
La
s�'a ISOCONCENTRATION MAP
h;Q sss s�3y91 DISSOLVED OXYGEN IN SURFICIAL GROUNDWATERCL
�;� ��y�� ��'' 3��� ASHEVILLE STEAM ELECTRIC PLANT uJ

A
♦
L
♦
A4
1` MW-11D/
�
r
�
1
1
r
MW-15D-�-\
1 T
y.'8 �.
r
\
•
C1g,-8'
1
r \
•
♦
i
J
SR-3564
r
1
D
182 ASH
BASIN
1*
)►
MW-04D
5.04
L `
L A.
A,T
I,N;p
La
OA
a+
h
LEGEND
1
DISSOLVED OXYGEN (DO) CONCENTRATION (mg/L)
DO CONTOUR (Interval 1 mg/L)
MONITORING WELL
Q
PIEZOMETER
0
ASH BASIN BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY
DUKE ENERGY PROGRESS ASHEVILLE PLANT BOUNDARY
—)~ — -
DITCH
STREAM
DO CONCENTRATION
- 9.8 mg/L
- 5 mg/L
0 mg/L
NOTES:
1 CONCENTRATIONS SHOWN ARE FROM THE MAY 2015 SAMPLING EVENT.
2 CONCENTRATIONS SHOWN ARE FROM THE JULY 2015 SAMPLING EVENT.
3 CONCENTRATIONS SHOWN ARE FROM THE SEPTEMBER 2015 SAMPLING EVENT.
4 SITE AERIAL ORTHOPHOTOGRAPHY IS DATED APRIL 17, 2014. T WAS OBTAINED
FROM WSP.
5 ADDITIONAL OFFSITE AERIAL ORTHOPHOTOGRAPHY IS DATED 2012. IT WAS
OBTAINED FROM THE INC CENTER FOR GEOGRAPHIC INFORMATION AND ANALYSIS.
(http://services.nconemap.gov/)
6 PARCEL BOUNDARY WAS OBTAINED FROM THE INC CENTER FOR GEOGRAPHIC
INFORMATION AND ANALYSIS. (http://services.nconemap.gov/)
I DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANE
COORDINATE SYSTEM RIPS 3200 (NAD83/2011).
GRAPHIC SCALE
300 0 300 600 900 1200 1 500
(IN FEET)
'tip ,fin DUKE
�C' ENERGYo
synra TerPROGRESS
148 RIVER STREET, SUITE 220, ASHEVILLE STEAM ELECTRIC PLANT
GREENVILLE, SC 29601 200 CP & L DRIVE
864-421-9999 ARDEN, NORTH CAROLINA
www.synterracorp.com
FIGURE 3-16
ISOCONCENTRATION MAP DISSOLVED OXYGEN IN
TRANSITION ZONE GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT

0001�17
l
SR-3564
LEGEND
1
DISSOLVED OXYGEN (DO) CONCENTRATION (mg/L)
DO CONTOUR (Interval 1 mg/L)
ii�
MONITORING WELL
O
PIEZOMETER
i
ASH BASIN BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY
DUKE ENERGY PROGRESS ASHEVILLE PLANT BOUNDARY
—1~ — —
DITCH
STREAM
DO CONCENTRATION
— 9.8 mg/L
— 5 mg/L
0 mg/L
NOTES:
1 CONCENTRATIONS SHOWN ARE FROM THE MAY 2015 SAMPLING EVENT
2 CONCENTRATIONS SHOWN ARE FROM THE SEPTEMBER 2015 SAMPLING EVENT
3 SITE AERIAL ORTHOPHOTOGRAPHY IS DATED APRIL 17, 2014. T WAS OBTAINED
FROM WSP.
4 ADDITIONAL OFFSITE AERIAL ORTHOPHOTOGRAPHY IS DATED 2012. IT WAS
OBTAINED FROM THE INC CENTER FOR GEOGRAPHIC INFORMATION AND ANALYSIS.
(http://services.nconemap.gov/)
5 PARCEL BOUNDARY WAS OBTAINED FROM THE INC CENTER FOR GEOGRAPHIC
INFORMATION AND ANALYSIS. (http://services.nconemap.gov/)
8 DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANE
COORDINATE SYSTEM RIPS 3200 (NAD83/2011).
GRAPHIC SCALE
300 0 300 600 900 1200 1 500
(IN FEET)
'tip ,fin DUKE
�C' ENER+GYO
synra TerPROGRESS
148 RIVER STREET, SUITE 220, ASHEVILLE STEAM ELECTRIC PLANT
GREENVILLE, SC 29601 200 CP & L DRIVE
864-421-9999 ARDEN, NORTH CAROLINA
www.synterracorp.com
FIGURE 3-17
ISOCONCENTRATION MAP
DISSOLVED OXYGEN IN BEDROCK GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT

N
A
S?
ZA
bw
sp
w
c
SR-3486
A,
I �
I
bSWs01 ',
8.32
N-01i
8.6
FB-02
7.92
•
1
•
1
•\ A!01
V'9.42
� • •r d'it�` 2O
,.
SW-04 �', r7 C j7.26 �.
B-01 �' rAiIIIIIIIIIIIkk. 1964
•� 64EMO 03 ASH
7,37 BASIN
d6, C oil
02f 64EO-02
L ♦ 7�28
5.09 Ak
9.8 cp D-01� 4
y/ 6.5
G
1982 ASH
BASIN
b
82EO-02
7.08
/ P-01
9.82 �•-��
� 1 �
■
l N
qD ss6
FB-01
8.18
JUL'IAIV`%�
l
ilt
w,
� 1
•
l
A
t �
1
. S�.3y23
1 •
•
Jill L.F7
l
Ns �3yg1 eG ° F/-
_ w
LEGEND
1
DISSOLVED OXYGEN (DO) CONCENTRATION (mg/L)
DO CONTOUR (Interval 1 mg/L)
ie
MONITORING WELL
Q
PIEZOMETER
®
SEEP
■
SURFACE WATER POINT
ASH BASIN BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY
DUKE ENERGY PROGRESS ASHEVILLE PLANT BOUNDARY
—)~ — -
DITCH
10
STREAM
DO CONCENTRATION
- 9.8 mg/L
5 mg/L
0 mg/L
NOTES:
CONCENTRATIONS SHOWN ARE FROM THE APRIL 2015 SAMPLING EVENT.
2 CONCENTRATIONS SHOWN ARE FROM THE JUNE 2015 SAMPLING EVENT.
3 CONCENTRATIONS SHOWN ARE FROM THE AUGUST 2015 SAMPLING EVENT.
^ SITE AERIAL ORTHOPHOTOGRAPHY IS DATED APRIL 17, 2014, IT WAS OBTAINED
FROM WSP.
5 ADDITIONAL OFFSITE AERIAL ORTHOPHOTOGRAPHY IS DATED 2012. IT WAS
OBTAINED FROM THE NC CENTER FOR GEOGRAPHIC INFORMATION AND ANALYSIS.
(http•//services.nconemap.gov/)
6 PARCEL BOUNDARY WAS OBTAINED FROM THE NC CENTER FOR GEOGRAPHIC
INFORMATION AND ANALYSIS. (http://services.noonemap.gov/)
7 DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANE
COORDINATE SYSTEM FIPS 3200 (NAD83/2011).
GRAPHIC SCALE
400 0 400 800 1200 16 2 000
(IN FEET)
41P of DUKE
ENERGY®
ynTerra PROGRESS
148 RIVER STREET, SUITE 220, ASHEVILLE STEAM ELECTRIC PLANT
GREENVILLE, SC 29601 200 CP & L DRIVE
864-421-9999 ARDEN, NORTH CAROLINA
www.synterracorp.com
FIGURE 3-18
ISOCONCENTRATION MAP
DISSOLVED OXYGEN IN SEEPS AND SURFACE
WATER
ASHEVILLE STEAM ELECTRIC PLANT

SR-3564 y
a- '4— — ,
A
J A
ABMW-02/
119641ASIH
BASIN
A ABMW-04
1181
'V
ABMW-08
744
L `_
•
• J A
♦,
r
♦�
1 �
� 1 sss
i
Q
—. — .a
90
1 1
♦ '♦•
• 1
? L
d • ♦.
LEGEND
1
SPECIFIC CONDUCTANCE (SC) MEASURMENT (pmhos/cm)
SC CONTOUR (Interval 200 Nmhos/cm)
MONITORING WELL
Q
PIEZOMETER
Q
ASH BASIN BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY
DUKE ENERGY PROGRESS ASHEVILLE PLANT BOUNDARY
— —
DITCH
STREAM
SPECIFIC CONDUCTANCE (SC) MEASUREMENT
— 2089 pmhos/cm
1045 pmhos/cm
0 pmhos/cm
NOTES:
I MEASUREMENTS SHOWN ARE FROM THE MAY 2015 SAMPLING EVENT.
2 MEASUREMENTS SHOWN ARE FROM THE SEPTEMBER 2015 SAMPLING EVENT.
3 SPECIFIC CONDUCTANCE (SC) VALUES ARE MEASURED IN SIEMENS PER METER
(pmhos/cm).
4 SITE AERIAL ORTHOPHOTOGRAPHY IS DATED APRIL 17, 2014. T WAS OBTAINED
FROM WSP.
5 ADDITIONAL OFFSITE AERIAL ORTHOPHOTOGRAPHY IS DATED 2012. IT WAS
OBTAINED FROM THE INC CENTER FOR GEOGRAPHIC INFORMATION AND ANALYSIS.
(http://services.nconemap.gov/)
6 PARCEL BOUNDARY WAS OBTAINED FROM THE INC CENTER FOR GEOGRAPHIC
INFORMATION AND ANALYSIS. (http://services.nconemap.gov/)
I DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANE
COORDINATE SYSTEM RIPS 3200 (NAD83/2011).
GRAPHIC SCALE
300 0 300 600 900 1,200 1,500
(IN FEET)
'tip �•� DUKE
C ENERGY.
Terra PROGRESS
syn
148 RIVER STREET, SUITE 220, ASHEVILLE STEAM ELECTRIC PLANT
GREENVILLE, SC 29601 200 CP & L DRIVE
864-421-9999 ARDEN, NORTH CAROLINA
www.synterracorp.com
FIGURE 3-19
ISOCONCENTRATION MAP
SPECIFIC CONDUCTANCE IN ASH PORE WATER
ASHEVILLE STEAM ELECTRIC PLANT

N
;------ -
MW-11
• 346
• ' o
1 N .CB-09SIL
• c 59
1 0
(MW-f5A- ♦ 1 ' t CB-09 r
• 167 �♦
37
1� • Op0 0 ♦ � r � " t
• • �� o P.105 >
•^�^60� P-104 sy POND'
♦ f •' 222
• mo • < � o♦ MW=09S -
1 ` 2036 APD�07
♦ MW-16A 168.6
502
� MW-08S � DP-01 >
• 1847 550 r
' - • ABMW-02S
MW-17A 746
�1573P-10, ABMW-05S
♦� < 1964,ASH� 2093 221
BASIN
AR
p GW-03 ro
CB-07 781 0
412
2 � Q
y �� 0 1982 ASH
,
BASIN
CB-06
/ 745
WSR-3564
MW-20A
/ 506 �
7CB
1t
z�
P;101
418
LEGEND
1 SPECIFIC CONDUCTANCE (SC) MEASURMENT (pmhos/cm)
SC CONTOUR (Interval 200 Nmhos/cm)
MONITORING WELL
Q PIEZOMETER
® ASH BASIN BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY
DUKE ENERGY PROGRESS ASHEVILLE PLANT BOUNDARY
,1
■
— - DITCH
0— STREAM
SPECIFIC CONDUCTANCE (SC) MEASUREMENT
•
- 2089 pmhos/cm
♦
= 1045 pmhos/cm
1
■
0 pmhos/cm
NOTES:
MEASUREMENTS SHOWN ARE FROM THE MAY 2015 SAMPLING EVENT.
MEASUREMENTS SHOWN ARE FROM THE JULY 2015 SAMPLING EVENT.
O
MEASUREMENTS SHOWN ARE FROM THE SEPTEMBER 2015 SAMPLING EVENT.
Q'
^ MEASUREMENTS SHOWN ARE FROM THE JUNE 2015 SAMPLING EVENT.
♦
5 SPECIFIC CONDUCTANCE (SC) VALUES ARE MEASURED IN SIEMENS PER METER
(pmhos/cm).
e SITE AERIAL ORTHOPHOTOGRAPHY IS DATED APRIL 17, 2014. IT WAS OBTAINED
'
FROM WSP.
ADDITIONAL OFFSITE AERIAL ORTHOPHOTOGRAPHY IS DATED 2012. IT WAS
OBTAINED FROM THE INC CENTER FOR GEOGRAPHIC INFORMATION AND ANALYSIS.
`
(http://services.nconemap.gov/)
90
1 PARCEL BOUNDARY WAS OBTAINED FROM THE INC CENTER FOR GEOGRAPHIC
1
INFORMATION AND ANALYSIS. (http://services.nconemap.gov/)
♦
�♦
e DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANE
COORDINATE SYSTEM RIPS 3200 (NAD83/2011).
1
PZ-19
450
P-100 AB 4 001 , PZ-23 •400I 't " ` ♦'
W-06S� 359 228 _ ' L ♦,
343�
PZ-24 1
CB-04 CB-0 511� sue, 1 �♦
335 ' 148
PZ-22 � ♦ ♦ ♦
467
iw
- r
♦ 4.
� 1 sss
I
Q
A,T
GRAPHIC SCALE
300 0 300 600 900 1,200 1,500
(IN FEET)
'tip �•� DUKE
C ENERGY®
Terra PROGRESS
syn _
148 RIVER STREET, SUITE 220, ASHEVILLE STEAM ELECTRIC PLANT
GREENVILLE, SC 29601 200 CP & L DRIVE -
864-421-9999 ARDEN, NORTH CAROLINA `
www.synterracorp.com
FIGURE 3-20
ISOCONCENTRATION MAP
SPECIFIC CONDUCTANCE IN SURFICIAL
GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT

N
+
A
♦
L
♦
;--------
1 MW-11D
• 595
,
•
1
� o
1 0
' MW-15D-
1� 94
r
•
CB
1 `
• ♦
v
� �
A
MW-0
%r
209!
`` L
-4:
r
< o
r., MW-13D
165
uIW-12D
� 75
pp0
r
o
^O
`I o00
18D
3I A,
\ /'4
1964,AS�
BASIN
ABMW-04D
366
PZ-16
326
ABMW-05D
264
1982 ASH
BASIN
r
1i
XA, GW-04
%J 390
CB-03 MW-03D
` 439 397
MW-06D
1 �� 383
MW-OSD QOo CB-03R '
382 �j593
` A� W'02A MW-23DL
296 278
�♦ ,MW-21D �O0! �•�•
` .♦ 0.7 r \ MW-23DU }+
124
MW-22D ♦'
136 r.` 0.0'y
�t • �♦ r
� r sss
I
Q
-.-.
90
CB-01d 1 '
,
%
` 1
MW-04D
1-0 • ♦.
L A.
t
< A.
LEGEND
1 SPECIFIC CONDUCTANCE (SC) MEASURMENT (Nmhos/cm)
SC CONTOUR (Interval 200
MONITORING
Q PIEZOMETER
Q ASH BASIN BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY
DUKE ENERGY PROGRESS ASHEVILLE PLANT BOUNDARY
—� — - DITCH
�— STREAM
SPECIFIC CONDUCTANCE (SC) MEASUREMENT
- 2089 Nmhos/cm
1045 Nmhoslcm
0 Nmhoslcm
NOTES:
I MEASUREMENTS SHOWN ARE FROM THE MAY 2015 SAMPLING EVENT.
2 MEASUREMENTS SHOWN ARE FROM THE JULY 2015 SAMPLING EVENT.
8 MEASUREMENTS SHOWN ARE FROM THE SEPTMEBER 2015 SAMPLING EVENT.
4 SPECIFIC CONDUCTANCE (SC) VALUES ARE MEASURED IN SIEMENS PER METER
(Nmhoslcm).
5 SITE AERIAL ORTHOPHOTOGRAPHY IS DATED APRIL 17, 2014. T WAS OBTAINED
FROM WSP.
8 ADDITIONAL OFFSITE AERIAL ORTHOPHOTOGRAPHY IS DATED 2012. IT WAS
OBTAINED FROM THE INC CENTER FOR GEOGRAPHIC INFORMATION AND ANALYSIS.
(http://services.nconemap.gov/)
I PARCEL BOUNDARY WAS OBTAINED FROM THE INC CENTER FOR GEOGRAPHIC
INFORMATION AND ANALYSIS. (http://services.nconemap.gov/)
8 DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANE
COORDINATE SYSTEM RIPS 3200 (NAD83/2011).
GRAPHIC SCALE
300 0 300 600 900 1,200 1,500
(IN FEET)
'tip �•� DUKE
�C ENERGY.
synra TerPROGRESS
148 RIVER STREET, SUITE 220, ASHEVILLE STEAM ELECTRIC PLANT
GREENVILLE, SC 29601 200 CP & L DRIVE
864-421-9999 ARDEN, NORTH CAROLINA '
www.synterracorp.com
FIGURE 3-21
ISOCONCENTRATION MAP
SPECIFIC CONDUCTANCE IN TRANSITION
ZONE GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT

N
A +
♦ L
♦
;.-.---
I
I �
• MW-14BR
1 595
1
•
i •• � %
I �
•, 400 CB -OE
352 -U%�
• • 00 \
I ♦ • 1
mV-
♦` ► •• 1176
MW-16BR • v
•, 509 • \
S - •
♦, GW-C
r • 900
r
PZ-17D
480.8
PZ-17S
71.1
r
L � �
♦ �. .... MW'05BR'
*382
CB-04B ,ytk
• 236
-`� AMW-01B ♦�
♦ .-
T0430
MW-22BR ♦' t A.
294�.`♦�
` 1111,
-
11 ♦
♦.
Q
00,
....
1
1
1
1
1�
♦ • 1
s� 1 ; 3523
#AMW-03B
1 ■
831k 11
♦ 1
c ♦% r
3 � ♦� 1
0X
h
LEGEND
1
SPECIFIC CONDUCTANCE (SC) MEASURMENT (Nmhos/cm)
SC CONTOUR (Interval 200 Nmhos/cm)
MONITORING WELL
Q
PIEZOMETER
Q
ASH BASIN BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY
DUKE ENERGY PROGRESS ASHEVILLE PLANT BOUNDARY
— -
DITCH
STREAM
SPECIFIC CONDUCTANCE (SC) MEASUREMENT
- 2089 Nmhoslcm
1045 Nmhoslcm
0 Nmhoslcm
NOTES:
1 MEASUREMENTS SHOWN ARE FROM THE MAY 2015 SAMPLING EVENT.
2 MEASUREMENTS SHOWN ARE FROM THE SEPTEMBER 2015 SAMPLING EVENT.
a SPECIFIC CONDUCTANCE (SC) VALUES ARE MEASURED IN SIEMENS PER METER
(Nmhoslcm).
4 SITE AERIAL ORTHOPHOTOGRAPHY IS DATED APRIL 17, 2014. T WAS OBTAINED
FROM WSP.
5 ADDITIONAL OFFSITE AERIAL ORTHOPHOTOGRAPHY IS DATED 2012. IT WAS
OBTAINED FROM THE INC CENTER FOR GEOGRAPHIC INFORMATION AND ANALYSIS.
(http://services.nconemap.gov/)
6 PARCEL BOUNDARY WAS OBTAINED FROM THE INC CENTER FOR GEOGRAPHIC
INFORMATION AND ANALYSIS. (http://services.nconemap.gov/)
I DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANE
COORDINATE SYSTEM RIPS 3200 (NAD83/2011).
GRAPHIC SCALE
300 0 300 600 900 1,200 1500
(IN FEET)
'tip DUKE
C ENERGY.
Terra PROGRESS
syn _
148 RIVER STREET, SUITE 220, ASHEVILLE STEAM ELECTRIC PLANT
GREENVILLE, SC 29601 200 CP & L DRIVE
864-421-9999 ARDEN, NORTH CAROLINA `
www.synterracorp.com
FIGURE 3-22
ISOCONCENTRATION MAP
SPECIFIC CONDUCTANCE IN BEDROCK
GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT

N
A
SR-3668
SR-3486
_Ah ,4p0
1362*� t _
,_
i N � 9Si F 2 O ,
SW-04 ru 4I 6t p
.Mill '144U� \ ••
B-01 .1964
All9•. • a. , 64E0-03- ASH
rn 1 BASIN l�
\` C-021 64EO-02 t s
y 1451 1172 1 A
C-01 \ 1 64EO-01
• �� 2 A
1,y p 01 1271
I', 1632 \ 198 SH
> 1v BASIN
we 1400—E-01
1l
1
r
JU L'IAIV ��
♦�`,'
x
• r i---
e �' r
• w ,
1
1119 \\ \ ,boo ` '�� ' �' �• >
M-01I
myO \ 1284 �� 82EO-02 1 �• ��
333.8
y �• h01 woo L ♦• ♦ ai
• M
♦ / 1369 ,
O yi/ o —F-03 K-01— •r" • R •' f t s'� �' �. .
�394 1254�, . `` .t
a�♦
MW 412 0 F\Ip
1343 P-01 '
�• • ^o♦� 864
t ♦ • ♦, 35loo t
. `�� V.
r 1 i 7t
l Its
FB-01
I
r
`rS�, • 1 f ,a
1 J"
wr
SR3Q95. .il: S�
,. un
LEGEND
1
SPECIFIC CONDUCTANCE (SC) MEASURMENT (Nmhos/cm)
SC CONTOUR (Interval 200 Nmhos/cm)
MONITORING WELL
PIEZOMETER
®
SEEP
■
SURFACE WATER POINT
Q
ASH BASIN BOUNDARY
1
ASH BASIN COMPLIANCE BOUNDARY
DUKE ENERGY PROGRESS ASHEVILLE PLANT BOUNDARY
>
DITCH
>
STREAM
SPECIFIC CONDUCTANCE (SC) MEASUREMENT
- 2089 Nmhos/cm
1045 Nmhos/cm
0 Nmhos/cm
NOTES:
I MEASUREMENTS SHOWN ARE FROM THE APRIL 2015 SAMPLING EVENT.
2 MEASUREMENTS SHOWN ARE FROM THE JUNE 2015 SAMPLING EVENT.
8 MEASUREMENTS SHOWN ARE FROM THE AUGUST 2015 SAMPLING EVENT.
4 SPECIFIC CONDUCTANCE (SC) VALUES ARE MEASURED IN SIEMENS PER METER
(Nmhos/cm).
5 SITE AERIAL ORTHOPHOTOGRAPHY IS DATED APRIL 17, 2014. T WAS OBTAINED
FROM WSP.
8 ADDITIONAL OFFSITE AERIAL ORTHOPHOTOGRAPHY IS DATED 2012. IT WAS
OBTAINED FROM THE NC CENTER FOR GEOGRAPHIC INFORMATION AND ANALYSIS.
(http://services.nconemap.gov/)
I PARCEL BOUNDARY WAS OBTAINED FROM THE NC CENTER FOR GEOGRAPHIC
INFORMATION AND ANALYSIS. (http://services.nconemap.gov/)
8 DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANE
COORDINATE SYSTEM RIPS 3200 (NAD83/2011).
GRAPHIC SCALE
400 0 400 800 1,200 1,600 2,000
(IN FEET)
�•� DUKE
C ENERGY.
syn
Terra PROGRESS
148 RIVER STREET, SUITE 220, ASHEVILLE STEAM ELECTRIC PLANT
GREENVILLE, SC 29601 200 CP & L DRIVE
864-421-9999 ARDEN, NORTH CAROLINA `
www.synterracorp.com
FIGURE 3-23
ISOCONCENTRATION MAP
SPECIFIC CONDUCTANCE IN SEEPS AND
SURFACE WATER
ASHEVILLE STEAM ELECTRIC PLANT

A
z
U
r
�'A
L I ..:.
ABMW-02
5860
Z dyp0
1964 ASH
BASIN—ABMW-04
3710 b000
►9
rL
1 1
•�
1020
d -4 I
r
1 .
� l ■ s`SG
Q
� `
♦ I �
•
r
SR�3S23
r
r
�
Q',.mom
1 � i
1
�
LEGEND
1 0 Z'
0 Ya 0
0
Q
0 00
a�000
0 OW
0 0
1@ 0
NOTES:
®001, OtnO 0 0
00 0 Oih 0 0
O®D 0
i Y h 7u
P 0 DOW
i Ycm Z,
,0031D0 OD
hZmiY&O 0
0 300 0 300 600 900 1200
(IN FEET)
m
DUDE
U
V ENERGYo 0
syn Terra PROGRESS
r
148 RIVER STREET, SUITE 220, ASHEVILLE STEAM ELECTRIC PLANT
GREENVILLE, SC 29601 200 CP & L DRIVE °
w
864-421-9999 ARDEN, NORTH CAROLINA
m
www.synterrecorp.com
FIGURE 3-24
ISOCONCENTRATION MAP
STRONTIUM IN ASH PORE WATER
ASHEVILLE STEAM ELECTRIC PLANT

N t
f
A ____
- LAKE
`, MW-11 - - JULIAN - - - -
♦ 96 ► --.
♦ I
� 1 .
•
� � 1
1
1 ► CB-09 -
MW-15A CB 09SL
I102 28 Y, �.�•�--
.♦ypo ♦ `` P-105 < `♦
r 1
295P-104 ♦
MW-16A \ 88� SETTLING • "�
20 4 �. p` POND
��MW-08S APD-07 1
,, / '1 o o "' '' / 4160 '47 ^yp0 0 o HOT POND
1l ♦ O G fP (�� C 0 m
14 W f4
. r s DP.01
"1810 ' y
c ABMW-02S LAKE ♦,_
MW-17A `♦`0 259 JULIAN
88MW=05S PZ-26 %�
a-,
A IT
1964 ASH
BASIN
P-103
�25
ri
PZ-19
P-101
565
362
1
P00 ABMW-075
13
442
�% A,' ,
506 MW-
PZ-23
♦ '
141
41
112
MW-20A
�
CB 04
PZ-22
'352
213
826
* CB-05
33 ��'
♦
��.
d
�.,
•i�
� �
r
1 �
s *0
l sSs
Q
tA.
G
A,r
LEGEND
0
OZiVo
0
0 00
a�000
I
I
0 0
1@ 0
i0>D
NOTES: h
° 0 MOD
000
0 W)
® 001n Okn0 0 0
0
00 0 OIh0 0
0zo 0 0
i Y h Z6
0 DOW
i Y013h Zi
10000 DO QD
hZmi'@D0 0
z6Y 0
Q
300 0 300 600 900 1200 1500
(IN FEET)
0
147 4n DUKE
U
ENERGYo
synra TerPROGRESS
t
a
148 RIVER STREET, SUITE 220, ASHEVILLE STEAM ELECTRIC PLANT a
GREENVILLE, SC 29601 200 CP & L DRIVE w
864-421-9999 ARDEN, NORTH CAROLINA 2
www.synterracorp.com m
FIGURE 3-25
ISOCONCENTRATION MAP
STRONTIUM IN SURFICIAL GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT

ill
i
r
LAKE
;.
JULIAN
___� �•�.
P
'
1
1
1
■
MW-13D
,•�•���•�.
I114
T
-_
�♦
MW-12D
20
I
SETTLING
• "�
POND
�
HOT POND
1
r
G-01D LAKE �♦ `<
291 JULIAN �.�;
pp ABMW-05D
108 MW-01D ,
1964 ASH
BASIN ABMW-04D
176
PZ-16
�237
AN. GW-04
SR-3564 � ' , 17,0 MW-06D qmw
4 = Fr-r ♦♦ 302 CB-03
584
�• MW-05D
1 267 MW-03D CB-03R
250 . 733
♦ ,� -�
• �- AMW-02A. •�. c � .
�•♦ 236 MW-23DL
` ♦' . ♦` MW-23DU 91-
%♦ MW-21D ♦♦ 38 • • ,k
77 / ♦ r
�MW-22D%.
42 %` i`r�
1
*0
Q
J
LEGEND
ZA' 0
0 0
1@ 0
- i0
?•
NOTES: 0 MOD
000
0 0>Ifld)
W 001n OknO 0 0
0
00 0 OMO 0
0®D 0 0
i Y h Z6
0 DOW
i Y013h Zi
10OI4010 ®D
hhmi'@D0 0
0
300 0 300 600 900 1200 1500
(IN FEET)
E
0
�,:•� DUKE
ENERGYo
synra TerPROGRESS
t
a
148 RIVER STREET, SUITE 220, ASHEVILLE STEAM ELECTRIC PLANT o
GREENVILLE, SC 29601 200 CP & L DRIVE w
864-421-9999 ARDEN, NORTH CAROLINA 2
www.synterracorp.com m
FIGURE 3-26
ISOCONCENTRATION MAP
STRONTIUM IN TRANSITION ZONE GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT

N;
------ ■,,
♦ MW-14BR
■
• MW-13BR
s31
�♦
♦ • CB-08BR r r
• %J251
' • •, 5�0 WM 09BR ` d9
• 46 �Z
MW-1;BR
♦ � ♦ /.
AA I
♦ ; GW-02
�, ; • 556
MW-18BR
443
T
n
s
�10 Pi
`
SR-3564
a..
♦
LEGEND
1 0 ay
0 dADO
LAKE
0
JULIAN
-
1 e
0 00
000
00(m0
115
0 0
- _
■
1@ 0
L J►
_ -
�,
SETTLING
POND
HOT POND
NOTES:
0 am
♦"._..
%•
GW-01BR
LAKE
"<
88
JULIAN
�.�
0 ®D
'r
ABMW-OSBR
�� ^ ""
115
�
0 ve
MW-01BR
1
75
0 qw
,
1964ASH
®00*10tro 0 0
BASIN
-
0
1.
�♦
0® 0 c*O 0
♦ ' - -
O®0 0 0
�• .
i Y h 2Zli
'•
1982 ASH
0 ®Ou)D
BASIN
`%
i YC0 Zi
PZ-17D
♦
•
3315cow
a)
hZmiY®0 0
MW-22BR
1I
1 �
*0
l s`SG
MW-02BR •t .4 ,♦,
79 7 L
J -
r
N
I� r a
61
I
0
300 0 300 600 900 1200 1500
(IN FEET)
o`
�,:•� DUDE
ENERGYo
synra TerPROGRESS
148 RIVER STREET, SUITE 220, ASHEVILLE STEAM ELECTRIC PLANT a
GREENVILLE, SC 29601 200 CP & L DRIVE w
864-421-9999 ARDEN, NORTH CAROLINA
www.synterracorp.com 00
FIGURE 3-27
ISOCONCENTRATION MAP
STRONTIUM IN BEDROCK GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT

r,
cry
` It.
I
-------�sw-01
40
FB'-02
1 20 ho
CA ; h
`o
r
L A
SR.36
1 A ,.
. 1
-- I
s
� 1
Al
t • 1
1 /NO•` HOT
olSW-0 / 1 y POND ' SR
`�04 . r �' 1
V-2,20• • 15p0— �%
a r 1964ASH
L • a' ia6, %>C-02 BASINh,
C-01 2150
—A'..; .: 1900I D-01-11500/
E-01
303
a
.�4k
1 �- -:
e
1982ASH♦ .`
BASIN
1
297
297
0
r01
267
y
K-01
♦ r F-02
187
P-01
•71'
I
' ♦
• SR r
r 1 it
♦ 7 1••
1 1
>>
�s I
try ♦ 1
>� 91 NL) SR 35
5�
FB-01 SEL3
20 c
'PIP
LEGEND
0 Z'
0 d`@ 0
0
■
Q 00
000
o ow
0 0
700
NOTES: h
illt ®®
016�
P 00 0 Oitt 0 0
0®D 0 0
i Y h t7n
0 DOWD
i Y013h Zi
`OOiwO a)
hAmiY@DO 0
h
M
y 0
400 0 400 800 1200 1 600 2000
(IN FEET)
m
O
DUDE
ENERGYo
synTerra PROGRESS
148 RIVER STREET, SUITE 220, ASHEVILLE STEAM ELECTRIC PLANT o
GREENVILLE, SC 29601 200 CP & L DRIVE w
864-421-9999 ARDEN, NORTH CAROLINA
www.synterracorp.com 00
FIGURE 3-28
ISOCONCENTRATION MAP
STRONTIUM IN SEEPS AND SURFACE WATER
ASHEVILLE STEAM ELECTRIC PLANT

__ p. 'r - - ­0 r I I . .
, :". . 11
. � - .. � I.' , . "
1-1
%
-'J ,, '�C' .,uf •a t, -yy - - 1'� :2. '�l; ,. e' ,.i t �.• _ :. .` Y{.{A%• •�° Rf.� J -r �r,rr;��,
11 _ ;-' - 04
: - - i-- r - - � •lei 4 - t b • * -F' .- 1:, . - - _� '� .t, '`.`. - _ N . J'" _ - ' � . .. ? '"', "?. �, � ' �►,
N i `�-%? , � c: �'L �, �� �.. ''�' � - LEGEND
i i r
�: y I ! 7" •.a �, , �'. `� + ! ,F r l' _„_,- �1��3 _ �' 4 1l ^+"„ MONITORING WELL
�, : 4 - A '; t +; ' '-a , ti, • �- VU•' 1 I' `r , �. '�i . , w• I I , . +• ♦ 4 ,i� , , �� .'ter- { �. �r ,� . - ' �, 14, . r' .: , ' I e• ` =-I I � f' - '. ' I� �t - A - - • _- v e� t .
Tk ` . 14: l5 < '• , -� y ' �ti .. ti a • r `� n ,► �i �, '', i �A t I ', • ?�! r✓ - �?.YW f ' " ASH BASIN BOUNDARY
1 ; —
. . . I 1. -.1 -IP � /t r , / e f - 17
1. r+ 4_' r'^Q i +01 ^, T` �' �, ,_ A 4 . x%t ''n@r'� :�/ Ali I' : .. _ ) r I _ 1. �" 3 . �' ',, : r �+ r ; ASH BASIN COMPLIANCE BOUNDARY
I.
' - :r , - _ `.�-F• - 'Jt r }: �;(i' t .�+j•' *i )'@io, F - 1 I.
_. - i C, <-, i'- r 1,� / , - - SIN' .
, I � , OW - .
:.,' �- r•r ) ► �• it `�! - L �.- - 'k.���°¢ DUKE ENERGY PROGRESS ASHEVILLE PLANT SITE BOUNDARY
• ! - '+' �. 5.J it" `c ) iy'- - ^ -� x f%•Ikq,'• • T - `�' // _ �i a d `( � _ .. �
nf,f_;--.*% f I`A a`f'� /-'� 'i+alt ' - - . F'i - . 3 • - r > i'"' + ' r , r' /r . • - 1 -� �t • -1+i
i f k . Y + ! ,� i, IL - 1W ♦L \ / I - r /11 ' �' 'i �r! )�l r\ r / i J`` r ' j d V . �' 40 ' K - - DITCH
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r r' Sv r ` / i r L - 6n - t� r� ' +r ,�_r !�4- I. __ I_ a `�1. *, :NA" STREAM
,
III
I* L
Y y F
, V , ". . � r - 1% � , 11 f!t ,W I I . W - - ! I Ir . - I . _j - I I jpA I . I %A
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! ` _ r - f ::,�• 'r z}. :i, ¢t =.♦ fir: ' A 7 • _� Irv. .Y
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p " `.�� `y t7. T'•_ ?_ , _p .: f- - '�:1: ! mac, 0(� 4 . :°' I { _ I f - -: � r• 't . -1 • • 'K_ ; _ - .-f - rN ; - y� ! i . ' i\ ►` �', ^
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y_ i , , . - ;' _ - _ -. - j .-1� , r jl, ,*1%, I., , ..` R� t `j ��, S. .`♦ ri ;t ', r" t'n •t' -r • - - , •` • "
,, . 1.y .y .1�„ r Ir,-
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• < Y�' a - .,a3t.�"'. / , ,J_ - _ �t F I M ,' e. r... � I _ . � r'U
. 1= - It 1., k•t •-/ BASINS 'i• p� iI I. .':'i' ^.}l5 r` jl
�i► .�► : � - , -•rr r,;. � ,.,fr. • > - y ea o. .-y . , _ -*l � �,. 3 . -- * 1 ,--*r ,
. 1 `` � �y 4` • ABMW-02 SETTLING t ,�. , • '• - .` I - - , -P.4 r-
Constituent
Abbreviation
Units
Boron
B
µL
Strontium
Sr
µg,IL
Sulfate
SO4
mgjL
Total Dissolve Solid
TDS
m,gIL
• w ` rt 4 t 1 , ANALYTE RESULT POND A ti R c 4„ 4-
- `1r !�v 1 •. aw t ,, y b- 1 ' :x •`a r`
c ` ,+w• SO4 250 , . i' i r �" 4. t�y
`- ► � .
;i \ !�l Z : i t •� Sr�r 5860 ` i' 1 - _ �, , +' I � r,). 1 , t • - � !
41,71"���
r• - - • - '3.,i .-j .4 _ ;e `_ ,, TDS 770 - - ,+1 �Tllll 1i�n." '\ .y `1-N -: ' y,� r'` �•y- ! .. -w. - p ,�3�..
. 1+ . ✓. 4 1at 0 N ''' �'ti C j 1 tu:, y; a k a_ , K F �+ r ti'` 'h. A\ � L
r'L ~ `' �' c - -
.�. `S,AI -1 c - - J -4, f - �;,'- - t.. u. J� . �''" w_-� _ sir
40,
r 1 1 ° , t M ' 4� -- " 1 ■ r y a i'r 4 . a. �, '
.`i''� `**� �' 1 - +V •11 - tea'. \� FY 'f`r k' r _. �r,�
RF- / ^% f ♦ry 1964 ASH r -
IL F. 6�. I M�'
\' S a,
t I , +f ¢ - , * . ABMW-04 BASIN r ; ` • ,! ti` r 3•''vR''�' • �: fir. �' e
, f, # ft
tI r' I •° ANALYTE RESULT ',. ` ' / ie �y ',.S *.. Y, : ^ f t' ! •0. �
. J �i •i' +r, .• B 3660 `� $: 4 - sa m, iyiti , ` �-', .,.. - 1j 1.,,,'. „ Ff" • --l. -�!• .4 w _V, +'
T�l
*>, :. `!P',: 1. �- y SO4 270 ` � If F �r a ,v' " i . \' raat cl r� /_
r 1 11. �d � .' t C Sr 3710 P t r `4,!1�'' ✓, '3 1► :� .' t. ie "►:��A= �� r �.r - Ns k 4 - J j ABMW-08 / 4 1' ' �:' , ' 10! t •.' 01 * �": t �r r
r . ► A ,- .I. , < TDS 850 I a a`. : x, �r9 sj Y ..: . ... Jyy' f . ��1 t�.4 ila �.
�, `Ya 4 - I s'u 1982ASH, i', ANALYTE RESULT �, } , ^•F - -
I. Iiv �. • # .p� B 263 kio 1.., . e
i �, j� ?"" , a NOTES:
jp7.
BASINi ,\\ - -0y I' 11?__ ,• S , �Z _ • •`' `- .+'' ! f r ti s , CONCENTRATIONS SHOWN ARE FROM THE APRIL 2015 SAMPLING EVENT.
•
Sr 1020 a •♦ F,
i k sowY ' ill
;•-, _ TDS 350 , ♦ I • �' ' �F , " `0,1y - ! ' S ' �' z CONCENTRATIONS SHOWN ARE FROM THE MAY 2015 SAMPLING EVENT.
f • r f - ��_ a, J, ♦ • ..LL. _01e M,„ ^� CONCENTRATIONS SHOWN ARE FROM THE JUNE 2015 SAMPLING EVENT.
• ` v h ��. S ► ' -1t .7.y �i _ ° �'• r `` '� •� i��` J 1�.. t . 3 1. i 4 CONCENTRATIONS SHOWN ARE FROM THE JULY 2015 SAMPLING EVENT.
qcl
y'. t / �tt I4� k o '�.y i `r �'A � 5SITE AERIAL ORTHOPHOTOGRAPHY IS DATED APRIL 17, 2014. IT WAS OBTAINED FROM WSP.
ti`.� .. '! Ar 'M `J• `i _ .Y - _ ,- - {rXcn - ti • - ! - •r '�,: ,� •� ' •1 �, ` ' s
.r% tr (- t ii "�k ' {j f.';, \ ! ~r- r, /" �j`b� 1 ADDITIONAL OFFSITE AERIAL ORTHOPHOTOGRAPHY IS DATED 2012. IT WAS OBTAINED FROM THE NC
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148 RIVER STREET, SUITE 220
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PHONE [phone]
www. sy n to r ra c o r p. co m
DRAWN BY: JOHN CHASTAIN DATE: 11/09/2015
PROJECT MANAGER: DAVE NICHOLS
LAYOUT: FIG 4-4 (GW DISCHARGE)
Ll/18/2015 2:10 PM P:\Duke Ener2V Pro2re55.1026\102. AShe
GROUND�OW
FIGURE 4-4
CONCEPTUAL FIGURE OF GROUNDWATER
DISCHARGE TO THE FRENCH BROAD RIVER
DUKE ENERGY PROGRESS LLC
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA