NC0000396_Asheville Figures_20160831

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CCR SURFACE IMPOUNDMENT
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USOGSRTOPOGRAPHIC MAP OBTAINED FROM THE USGS STORE AT m�J`, $ �0�
http://store.usgs.gov/b2c_usgs/b2c/start/%%%28xcm=r3standardpitrex_prd%%%29/.do
FIGURE 1-1
SITE LOCATION MAP
VIP DUKE ENERGY PROGRESS
WINSTONSALEM• ASHEVILLE STEAM ELECTRIC PLANT
Terra ASHEVILLE 200 CP&L DRIVE
s� .CHARLOTTE_ ARDEN, NORTH CAROLINA
BUNCOMBE COUNTY SKYLAND NC QUADRANGLE
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA DRAWN BY: JOHN CHASTAIN DATE: 08/23/2016 GRAPHIC SCALE
PHONE [phone] PROJECT MANAGER: TODD PLATING CONTOUR INTERVAL: 20 FEET 1000 0 1000 2000
www.synterracorp.com LAYOUT: FIG 1-1 (SITE LOCATION MAP) MAP DATE: 2013
P: Duke Energy Pro ess.1O26 102. Asheville Ash Basin GW Assessment Plan 19.EG CSASUP DWG DE ASHEVILLE USGS TOPO MAP.dwg IN FEET

7
a�
s
--�
4
t
�e
LAKE 'qq
JULIAN
1'
I
_ .. _ � - • � ��, rGb Apr
s p0 p `LEGEND
C WATER SUPPLY WELL SAMPLE[
N p
�= WATER SUPPLY WELL NOT SAN
----- N111- GENERALIZED GROUNDWATER
a ASH BASIN
COMPLIANCE BOUNDARY
HALF -MILE OFFSET FROM COM
F
r �^ DUKE ENERGY PROGRESS ASF
= 9 rp

w-WI!
o zon
ra C
]® MW-15BR E
12124.73
®MW-136R
1 1 CB-08D
� CB-OSBR* DRY a
P-105
CB-8 2130.1,5
1
MW-09BR
\ I MW-09D
MW16A 1 \ I �- MW 09S
2027.95 0 1 2116.46
MW-16BR `, MW-08BR ir-,mU
1
M W-08S -
2117.13
(a
1 � r
2105.06
MW-17A GW 2
2029.58 "� 2051,35
ios
- /GUARD HOUS
CB-9
214b.12 .. ��Aw cares
WL2
� 'tpr
I
4I
p
I
2160.80
EWATERING PUMP i4l
JOT IN USE) \ GW01BR GW-01D
\\l\ a
DEWATERING BASIN
WATER LEVEL VARIES PZ-26
2110± IF NOT PUMPING AND 11 2141.77 �MW-01BR
2106±TYPICAL DRAW DOWN
_WATERING PUMP #2 MW 01D
P-103
2115.13 0
]R ti
l P-102 N w c
2112.87 ti o
1 c
�,� CB 1
�Iy CB-01DQ 02162.53
.61 ` CB-01BRL 0 - CB-01BF
MW-05BR Q'MW-05D
2068.50
4 7 Q APZ 30
AMN 1B ��
M W-21D
2041.59 �s `
MW-22D
2045.850 MW-22BR
1
* CB-2
213872
C
DGUGLAS FIR DR�'sj,`•' 1
LEGEND
ASSESSMET WELL
NN
ELEVATION FEET (msl.)
z 60.80
O(msl.)ANCE WELL
EELLEVATIONDIENT IN FEET
�
CB-1
BACKGROUND COMPLIANCE WELL
0 2163.90
ELEVATION IN FEET (msl.)
7-1
MONITORING WELL
1
0 z 60.72
ELEVATION N FEET (msl.)
WATER LEVEL CONTOUR IN FEET (msl.)
- INFERRED WATER LEVEL CONTOUR (msl.)
f
SURFICIAL GROUNDWATER FLOW DIRECTION
�
o STREAM WITH FLOW DIRECTION
AREA OF CONSTRUCTION AND DEWATERING
1
- - - DUKE ENERGY PROGRESS
500 ft COMPLIANCE BOUNDARY
♦
WASTE BOUNDARY
/�♦
----- PARCEL LINE (APPROXIMATE)
/
``♦
WATER LEVELS:
1.) WATER LEVELS WERE COLLECTED BY SYNTERRA ON DECEMBER 17 AND 18, 2015.
SOURCES:
1.) OCTOBER 16, 2015 AERIAL PHOTOGRAPH WAS OBTAINED FROM GOGGLE EARTH
2.) DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANE
l
COORDINATE SYSTEM FIRS 3200 (NAD 83).
1
3.) PARCEL BOUNDARY WAS OBTAINED FROM BUNCOMBE COUNTY GIS DATA.
4.) NEW WELLS WERE SURVEYED BY McKIM& CREED. THE HORIZONTAL DATUM IS SET
TO NAD83 AND THE VERTICAL DATUM IS SET NGVD88.
5.) 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 FCA OF NC, SURVEY DATED 2012-11-28.
6.) ADDITIONAL MONITORING WELL AND PIEZOMETER LOCATIONS WERE BASED ON
DATA PROVIDED BY PROGRESS ENERGY.
♦
6 �t
0.1 V
- t-
��''�'� �t � _ 1 1 mod' �'� n �r ��,� '` ° � • � �, E,
2165.1A 2165.
2165.39
L�
synTerra
GRAPHIC SCALE
250 0 250 500
IN FEET
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
www.synterracorp.com
DRAWN BY: JOHN CHASTAIN DATE: 01/04/2016
PROJECT MANAGER: TODD PLATING
LAYOUT: FIG 1-4 (WL MAP SURFICIAL)
1
FIGURE 1-4
SURFICIAL WATER LEVEL MAP
DECEMBER 2015
ASH BASINS
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA
Ash Basin GW

HATER HEUROCK HOLE
E PoINT\`� DRY T01944±
-
r ; v
1 � �
1 '
MW-14BR A
® 203.%8 I�T� WATER IN7AK
1 / i , WATER INT,
JGUARD HOUSE
s
CB-09SL CB 9
MW-15D z � ®�+iicnTF --
MW-15BR CB-09BR
zoz8.9s
MW-15A ➢�� 2132.46
\ �-®MW-13BR -
2124.95
i V
\ , CB-08BR CB 2092.49 ? DRY I '
�P-105
MW-12BR _
1 0 0 00 0 0 -09BR 2114.18 P
MW-09D ®2114.23 p 104 sE7ruNG POND
MW-16A
MW-16BR MW-08BR
2027.75 2114.39 0 DIP-1
\ �B 1 A ABM OZS BEDRDCK HOLE
� 0 uRv 1020s1i DEWATERING PUMP
p v B 1 ABMW-02 #1 (NOT IN USE)
MW-17A Y GW 2�
BEDROCK HOLE
ORVTO1978, DEWATERING BASIN _
\ WATER LEVEL VARIES PZ.
DEWATERING PUMP #2 2110± IF NOT PUMPING AND
2106±TYPICAL DRAW DOWN
' P-103 Q `-
APD-1
MW-18BRL �� ABMW-04 ® ABMW-04BR
P� ABMW-04D 2119.55
MW-18D GW-3 MW-07BR J P-1.02 10
MW 18BR 203383 \
fr 2028.38
�ti t Jr
{ jr
2094.14
` PZ 17S 2100-
2MAW-19
1.9BR
28 -- 090
� PZ-19 � TCV 0 P-101
P-100
MW-06D Ip
MW-06BR
r 2060.72 MW-06S
MW-20A 0
PZ-22
, MW-03BF
1111.92
MW-05BR C)
2069.09
MW-05D
2042.20 APZ-30
O 2091.8
a
♦
C B-4
AMW-2A
AMW 113
CB 20'12/19
eEDRDl01-KHOLE
" �... DRr POND
POND. MW-21D ` 2062.1+
20401+ .
y' t
_ ♦ fit.
MW-22BR
2036.10
LEGEND
MW 1sBR ASSESSMENT WELL
ELEVATION IN FEET (mSIQ
r 2oa2 20 EELLEVATIONDIENT IN FEET O(msIQ
L)ANCE WELL
Il
I Q CB-1 BACKGROUND COMPLIANCE WELL
ELEVATION IN FEET (mSIQ
FA-M1 , NITORING WELL
21 3.6B7 ELOEVATIION N FEET (mSI.)
DRDYT02050+E BOREHOLE INTO BEDROCK WHICH HAD
A VERY LOW OR NO WATER YIELD
WATER LEVEL CONTOUR IN FEET (msl.)
/� ----- INFERRED WATER LEVEL CONTOUR (msl.)
f BEDROCK GROUNDWATER FLOW DIRECTION
STREAM WITH FLOW DIRECTION
\ AREA OF CONSTRUCTION AND DEWATERING
DUKE ENERGY PROGRESS
♦ 500 ft COMPLIANCE BOUNDARY
WASTE BOUNDARY
% ----- PARCEL LINE (APPROXIMATE)
WATER LEVELS:
1.) WATER LEVELS WERE COLLECTED BY SYNTERRA ON DECEMBER 17, 2015.
SOURCES:
1.) OCTOBER 16, 2015 AERIAL PHOTOGRAPH WAS OBTAINED FROM GOOGLE EARTH
2.) DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANE
l COORDINATE SYSTEM PIPS 3200 (NAD 83).
3.) PARCEL BOUNDARY WAS OBTAINED FROM BUNCOMBE COUNTY GIS DATA.
4.) NEW WELLS WERE SURVEYED BY McKIM& CREED. THE HORIZONTAL DATUM IS SET
TO NAD83 AND THE VERTICAL DATUM IS SET NGVD88.
.` 5.) COMPLIANCE MONITORING WELL LOCATIONS AND WASTE BOUNDARY FROM FCA OF
NO,
SURVEY DATED MARCH 2O09. COMPLIANCE WELLS CB-3R, CB-9 AND SG-1
} SURVEYED BY FCA OF NC, SURVEY DATED 2012-11-28.
LAKE JULIAN 6.) ADDITIONAL MONITORING WELL AND PIEZOMETER LOCATIONS WERE BASED ON
DATA PROVIDED BY PROGRESS ENERGY.
GW-01BR ® aVIM I
2158.98 GW 01D q ♦ > 1
79
16 v
4'P s
CB-01D® ©CB-1
CB-01BRL 0 CB 01BR
2158.10
\ _ \ BEDROCK HOLE - - "-`
\\1^ DRY T02074_
A /
GW-5
O
MW-03D ONOpy • aooOP
CB-3R Pg�RO �aGy'
I DOUGLAS FIR DR
a � -�-7
AMW-2B
2077.60 MW-238R
2065.10
MW-23DU AW-23DL
-
L7
synTerra
GRAPHIC SCALE
250 0 250 500
IN FEET
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
DRAWN BY: JOHN CHASTAIN DATE: 01/04/2016
PROJECT MANAGER: TODD PLATING
LAYOUT: FIG 1-5 (WL MAP BEDROCK)
FIGURE 1-5
BEDROCK WATER LEVEL MAP
DECEMBER 2015
ASH BASINS
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA

�\ \ MW-11
CB-9SL '
i
CB-9 ♦.
J.0 `` r
P-105 �
IM
/ e
..
e P-104 ;i €
MW'�9S
APD-7
1�:4
16A ` \ DP-1
O 9•. a \ MW-8S
` of 1964ASH
�1 BASIN ABMW-2S
•\ MW-17A
APD-1
GW-3 PZ-27
CB-7
1� ♦'. PZ-19 P
ol
CB-614
` �♦
MW 6S
BMW 20A \
� o i 'o
x� �t
i"
i
'1!7.
7
Me
}
PZ-26
\ GW 1 ,
\ ABMW-5S
\ P-103 I ,`
CB11
1982ASH
BASIN
101 P-100 �'
PZ-23 PZ-24• �_ _
5.4 \ J
1
PZ-22q-l_,_ABMW;7!Er \"cB-2��_v 1•♦
e.
�_�•- ` • 100
, CB-4
` 1
♦
- N
ram.
e ♦ 'MW 24S /
71
e
`�♦"
LEGEND
1 pH CONCENTRATION (S.U.)
Il
ND NOT DETECTED ABOVE REPORTING LIMIT
♦
HIGHEST CONCENTRATION AREA CONTOUR
NORTH CAROLINA 2L CONTOUR
INTERMEDIATE CONTOUR
APPROX. PROVISIONAL BACKGROUND CONTOUR
a MONITORING WELL
G PIEZOMETER
WATER SUPPLY WELL
s
ASH BASIN BOUNDARY
.--'.—_'!ASH BASIN COMPLIANCE BOUNDARY
DUKE ENERGY PROGRESS ASHEVILLE PLANT SITE
— BOUNDARY
�
NOTES:
CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN
2/18/14 AND 7/8/16.
THE NORTH CAROLINA 2L FOR pH IS 6.5-8.5 S.U.
PROVISIONAL BACKGROUND CONCENTRATION IS 4.4 - 6.0 S.U.
AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,
DATED 10/18/2015.
DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA
STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011).
GRAPHIC SCALE
330 165 0 330 660 FIGURE 1-6
IN FEET ISOCONCENTRATION MAP
148 RIVER STREET, SUITE 220 pH IN SURFICIAL GROUNDWATER
GREENVILLE, SOUTH CAROLINA 29601 ASHEVILLE STEAM ELECTRIC PLANT
PHONE [phone]
synTerra W n rr or om ARDEN, NORTH CAROLINA
DRAWN BY: B. YOUNG DATE: 08/26/2016
PROJECT MANAGER: T. PLATING
CHECKED BY: T. PLATING

\MW-11D
KAW!"I 3D -------------
Mvv-1 5D r, . %
V * I
CB-8
URI
MW6D \MW-12D
5.3
ABMW-5D
6.1
GW-1 D
1964ASH
BASIN •
MW-1 D
ABMW-4D
MW-1 8D 5 7
1982ASH CB-lD
1% PZ-1 6 BASIN
♦ %
-0000'
PZ-1 7S MW-4D- ---
% r.W-A GW-5
41,
44,
6
a.
! Ir
N
R
Nh
'i F 9,1� �-
-F
synTerra
7,
LEGEND
I pH CONCENTRATION (S.U.)
ND NOT DETECTED ABOVE REPORTING LIMIT
HIGHEST CONCENTRATION AREA CONTOUR
•
NORTH CAROLINA 2L CONTOUR
INTERMEDIATE CONTOUR
APPROX. PROVISIONAL BACKGROUND CONTOUR
sa MONITORING WELL
O PIEZOMETER
ASH BASIN BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY
DUKE ENERGY PROGRESS ASHEVILLE PLANT SITE
•
•
BOUNDARY
NOTES:
CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN
2/20/14 AND 7/8/16.
THE NORTH CAROLINA 2L FOR pH IS 6.5-8.5 S.U.
PROVISIONAL BACKGROUND CONCENTRATION IS 5.6 - 6.7 S.U.
AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,
DATED 10/18/2015.
DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA
STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011).
GRAPHIC SCALE
330 165 0 330
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
:660 FIGURE 1-7
D ISOCONCENTRATION MAP
Ll pH IN TRANSITION ZONE GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA
DRAWN BY: B. YOUNG DATE: 08/25/2016
PROJECT MANAGER: T. PLATING
CHECKED BY: I PLATING

\a
1s _ .f
'
4 !
Il
�♦� a 4 ,. � -�•�r, �d�
vy s e`t n.
` ' is 3•
• �.. �'''" SIR
r.�
ru
M
ft
N
MW. ,.v
14BR CB-9BR _ .
6.9_. .�­-- ��
r
----- sr
%♦ y
r
• • : _ \ MW-13BR
5.5 0
CB-8BR _
\ MW-913R
WV-16BR
• �. ♦ GW-2 Fa ft
5.6
• ` _� — GW-1 BR
• ABMW-5BR
1964ASH 7.2 ,
1 BASIN g
MW-1 BR '
MW-18BR 1982ASH 1
BASIN f
1
` ABMW-11BR ,
8.1
` �♦ PZ-17D / MW-2BR
e `� % MW-6BR
%♦ / ,mow+ ,•.�•�.�.
..._ .. , .
AMW-1 B
CB;.4B
7.1
'
MW-22BR
Rm
* m
-
{.._ DW-6
d yu=
synTerra
GRAPHIC SCALE
330 165 0 330 660
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
wwwsvnterracorp com
DRAWN BY. B. YOUNG DATE: 08/25/2016
PROJECT MANAGER: T. PLATING
CHECKED BY: T. PLATING
LEGEND
1 pH CONCENTRATION (S.U.)
ND NOT DETECTED ABOVE REPORTING LIMIT
HIGHEST CONCENTRATION AREA CONTOUR
NORTH CAROLINA 2L CONTOUR
INTERMEDIATE CONTOUR
APPROX. PROVISIONAL BACKGROUND CONTOUR
MONITORING WELL
G PIEZOMETER
WATER SUPPLY WELL
ASH BASIN BOUNDARY
'ASH BASIN COMPLIANCE BOUNDARY
DUKE ENERGY PROGRESS ASHEVILLE PLANT SITE
— �fBOUNDARY
NOTES:
CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN
2/9/16 AND 7/12/16.
THE NORTH CAROLINA 2L FOR pH IS 6.5-8.5 S.U.
PROVISIONAL BACKGROUND CONCENTRATION IS 6.1 - 8.9 S.U.
AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,
DATED 10/18/2015.
DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA
STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011).
FIGURE 1-8
ISOCONCENTRATION MAP
pH IN BEDROCK GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA

MW-11
CB-9SL u'
0-----
MW-15A �. CB-9 ♦.
- 553 •` r
P.N.■
- • : � 2.7t9 � 1
1 ` MW� 9S P-104 _ '—
r
r •• ••, `DP
`55 - p .♦
MW 8S
I
\ ABMW-2S
_ABMW-5S
r "'GW1
•� MW-17A
„u
—
• `1
169
1964ASIT
',•
BASIN
P-103
428
GW-3
125
1982 ASH
a
•• �CB-7
BASIN
1% •
565
CB-6
44M
♦ •�
PZ-19
P-101
' `
�•
P-100 352
'e� .•
^1•'
♦• MW-6S
_
1
PZ-24
295
x " •
BMW-20A
\ABMW-7S-
��
29�
PZ-22 .�
?
..'
•
`CB 5 —
�. \CB=4'
245
f
�-;e,��. fit►
\ _r
�, , .
T.
1Ti-a�?� - 5 -
t:�
AA
}Q�
4
I
�l
y
�nTerra
r 7
b"
sl.
LEGEND
1 Eh CONCENTRATION (mV)
ND NOT DETECTED ABOVE REPORTING LIMIT
R
HIGHEST CONCENTRATION AREA CONTOUR
STANDARD CONTOUR
■ I •`
INTERMEDIATE CONTOUR
APPROX. PROVISIONAL BACKGROUND CONTOUR
a MONITORING WELL
G PIEZOMETER
WATER SUPPLY WELL
s
ASH BASIN BOUNDARY
.--'.—_'!ASH BASIN COMPLIANCE BOUNDARY
DUKE ENERGY PROGRESS ASHEVILLE PLANT SITE
— BOUNDARY
NOTES:
CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN
2/18/14 AND 7/8/16.
NO NORTH CAROLINA21-OR INTERIM MAXIMUM ALLOWABLE
bL
CONCENTRATION ESTABLISHED FOR Eh.
GRAPHIC SCALE
330 165 0 330 660
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
wwwsvnterracorp.com
DRAWN BY: B. YOUNG DATE: 08/26/2016
PROJECT MANAGER: T. PLATING
CHECKED BY: T. PLATING
P-\N,kP FnP Prnn .w 1026\00 (;IS RARF I)ATA\A havill
AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,
DATED 10/18/2015.
DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA
STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011).
FIGURE 1-9
ISOCONCENTRATION MAP
Eh IN SURFICIAL GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA

HATER HEUROCK HOLE
E PoINT\`� DRY T01944±
-
r ; v
1 � �
1 '
MW-14BR A
® 203.%8 I�T� WATER IN7AK
1 / i , WATER INT,
JGUARD HOUSE
s
CB-09SL CB 9
MW-15D z � ®�+iicnTF --
MW-15BR CB-09BR
zoz8.9s
MW-15A ➢�� 2132.46
\ �-®MW-13BR -
2124.95
i V
\ , CB-08BR CB 2092.49 ? DRY I '
�P-105
MW-12BR _
1 0 0 00 0 0 -09BR 2114.18 P
MW-09D ®2114.23 p 104 sE7ruNG POND
MW-16A
MW-16BR MW-08BR
2027.75 2114.39 0 DIP-1
\ �B 1 A ABM OZS BEDRDCK HOLE
� 0 uRv 1020s1i DEWATERING PUMP
p v B 1 ABMW-02 #1 (NOT IN USE)
MW-17A Y GW 2�
BEDROCK HOLE
ORVTO1978, DEWATERING BASIN _
\ WATER LEVEL VARIES PZ.
DEWATERING PUMP #2 2110± IF NOT PUMPING AND
2106±TYPICAL DRAW DOWN
' P-103 Q `-
APD-1
MW-18BRL �� ABMW-04 ® ABMW-04BR
P� ABMW-04D 2119.55
MW-18D GW-3 MW-07BR J P-1.02 10
MW 18BR 203383 \
fr 2028.38
�ti t Jr
{ jr
2094.14
` PZ 17S 2100-
2MAW-19
1.9BR
28 -- 090
� PZ-19 � TCV 0 P-101
P-100
MW-06D Ip
MW-06BR
r 2060.72 MW-06S
MW-20A 0
PZ-22
, MW-03BF
1111.92
MW-05BR C)
2069.09
MW-05D
2042.20 APZ-30
O 2091.8
a
♦
C B-4
AMW-2A
AMW 113
CB 20'12/19
eEDRDl01-KHOLE
" �... DRr POND
POND. MW-21D ` 2062.1+
20401+ .
y' t
_ ♦ fit.
MW-22BR
2036.10
LEGEND
MW 1sBR ASSESSMENT WELL
ELEVATION IN FEET (mSIQ
r 2oa2 20 EELLEVATIONDIENT IN FEET O(msIQ
L)ANCE WELL
Il
I Q CB-1 BACKGROUND COMPLIANCE WELL
ELEVATION IN FEET (mSIQ
FA-M1 , NITORING WELL
21 3.6B7 ELOEVATIION N FEET (mSI.)
DRDYT02050+E BOREHOLE INTO BEDROCK WHICH HAD
A VERY LOW OR NO WATER YIELD
WATER LEVEL CONTOUR IN FEET (msl.)
/� ----- INFERRED WATER LEVEL CONTOUR (msl.)
f BEDROCK GROUNDWATER FLOW DIRECTION
STREAM WITH FLOW DIRECTION
\ AREA OF CONSTRUCTION AND DEWATERING
DUKE ENERGY PROGRESS
♦ 500 ft COMPLIANCE BOUNDARY
WASTE BOUNDARY
% ----- PARCEL LINE (APPROXIMATE)
WATER LEVELS:
1.) WATER LEVELS WERE COLLECTED BY SYNTERRA ON DECEMBER 17, 2015.
SOURCES:
1.) OCTOBER 16, 2015 AERIAL PHOTOGRAPH WAS OBTAINED FROM GOOGLE EARTH
2.) DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANE
l COORDINATE SYSTEM PIPS 3200 (NAD 83).
3.) PARCEL BOUNDARY WAS OBTAINED FROM BUNCOMBE COUNTY GIS DATA.
4.) NEW WELLS WERE SURVEYED BY McKIM& CREED. THE HORIZONTAL DATUM IS SET
TO NAD83 AND THE VERTICAL DATUM IS SET NGVD88.
.` 5.) COMPLIANCE MONITORING WELL LOCATIONS AND WASTE BOUNDARY FROM FCA OF
NO,
SURVEY DATED MARCH 2O09. COMPLIANCE WELLS CB-3R, CB-9 AND SG-1
} SURVEYED BY FCA OF NC, SURVEY DATED 2012-11-28.
LAKE JULIAN 6.) ADDITIONAL MONITORING WELL AND PIEZOMETER LOCATIONS WERE BASED ON
DATA PROVIDED BY PROGRESS ENERGY.
GW-01BR ® aVIM I
2158.98 GW 01D q ♦ > 1
79
16 v
4'P s
CB-01D® ©CB-1
CB-01BRL 0 CB 01BR
2158.10
\ _ \ BEDROCK HOLE - - "-`
\\1^ DRY T02074_
A /
GW-5
O
MW-03D ONOpy • aooOP
CB-3R Pg�RO �aGy'
I DOUGLAS FIR DR
a � -�-7
AMW-2B
2077.60 MW-238R
2065.10
MW-23DU AW-23DL
-
L7
synTerra
GRAPHIC SCALE
250 0 250 500
IN FEET
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
DRAWN BY: JOHN CHASTAIN DATE: 01/04/2016
PROJECT MANAGER: TODD PLATING
LAYOUT: FIG 1-5 (WL MAP BEDROCK)
FIGURE 1-5
BEDROCK WATER LEVEL MAP
DECEMBER 2015
ASH BASINS
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA

!
'!! it
irm
MW-11 D
--
-.il ,• A
M1N-15D %
r
\ MW-13D
MW-12D
• CB-B /
%00—s •
♦ I
1964ASH
BASIN ABMW-5D
• ; r MW-1 D
ABMW-4D
• BMW-18D 1982ASH
•` PZ-17S BASIN
• • 3,6^a
PZ-16
% 319
♦• .% f
GW-4
2�s C >B
,1• ";�C �� 586 MW-3D
x •' ` `, 254'
• — .— /. 00-­7
% W=5D - — � new ��n�
T
•' MW 21D
r#�h'd•ba4�, MW-22D/ •�
517
n:
� 1-
ea
`
r
ta�'��Fx3
n�
synTerra
• 1
•
VVN
� 1•
' � ._fit ;� •- • / I `�`
�a ♦ ♦ e
e III
GRAPHIC SCALE
330 165 0 330
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
LEGEND
1 Eh CONCENTRATION (mV)
ND NOT DETECTED ABOVE REPORTING LIMIT
HIGHEST CONCENTRATION AREA CONTOUR
STANDARD CONTOUR
INTERMEDIATE CONTOUR
APPROX. PROVISIONAL BACKGROUND CONTOUR
sa MONITORING WELL
O PIEZOMETER
C__lI ASH BASIN BOUNDARY
.'ASH BASIN COMPLIANCE BOUNDARY
DUKE ENERGY PROGRESS ASHEVILLE PLANT SITE
--'BOUNDARY
NOTES:
• CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN
2/20/14 AND 7/8/16.
NO NORTH CAROLINA 2LOR INTERIM MAXIMUM ALLOWABLE
CONCENTRATION ESTABLISHED FOR Eh.
AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,
DATED 10/18/2015.
DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA
STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011).
660 FIGURE 1-10
ISOCONCENTRATION MAP
Eh IN TRANSITION ZONE GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA
DRAWN BY: B. YOUNG DATE: 08/25/2016
PROJECT MANAGER: T. PLATING
CHECKED BY: T. PLATING

2_v
I
■ MW-14BR /
r i• CB-SBR \ MW-13BR
.. 187 �_
305 1
i
MW-9BR
MW-16BR� ` 82 ..
• � GW-2
♦ 1 1964ASH'
' BASIN
MW-18B V
\ `'6+
0 •• `� f GtP
_u'y'� �l • PZ 17D
p�` •,` _
MW�613R
z'AM
.• � ' �"Gt'r� � mot, ., � • ^,• • � � .
AS-1 3
1�
� ♦�,+�'a r y MW2�2BR '
r '�AS-11
JI a'L ".d, IT"
AS-1
AS-4 /
AS-6 'I
G
DW-6
■ 1
♦
♦
r �-7aw7a.•
�a ♦ ♦ e
�-
e
1
1982ASH r '
BASIN
MW-2BR
1�11
synTerra
♦ J
en •
1
AMW-3B '
• �17
GRAPHIC SCALE
330 165 0 330
IN FEET
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
LEGEND
1 Eh CONCENTRATION (mV)
ND NOT DETECTED ABOVE REPORTING LIMIT
HIGHEST CONCENTRATION AREA CONTOUR
STANDARD CONTOUR
INTERMEDIATE CONTOUR
APPROX. PROVISIONAL BACKGROUND CONTOUR
MONITORING WELL
G PIEZOMETER
WATER SUPPLY WELL
ASH BASIN BOUNDARY
_ _ _ !ASH BASIN COMPLIANCE BOUNDARY
DUKE ENERGY PROGRESS ASHEVILLE PLANT SITE
—`BOUNDARY
NOTES:
CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN
2/9/16 AND 7/12/16.
NO NORTH CAROLINA 2LOR INTERIM MAXIMUM ALLOWABLE
CONCENTRATION ESTABLISHED FOR Eh.
AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,
DATED 10/18/2015.
DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA
STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011).
660 FIGURE 1-11
ISOCONCENTRATION MAP
Eh IN BEDROCK GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA
DRAWN BY: B. YOUNG DATE: 08/25/2016
PROJECT MANAGER: T. PLATING
CHECKED BY: T. PLATING

�, \ MW-11
MW-15A
MW-17.
_ yam, a ; ���' • 1� >���"�`*"���"R'
i
CB-9SL
MW-9.5 �
— e
��!•��s..1*;-
'1! it
P-105
70
P-104 /
APD-7 DP 1 �ABMW-2S
GW-1
7PZ-2fi
S a
G ',� ABMW-7S PZ-24'`'_
yz�� P-too / \ � `.
_ '
PZ-19
�� �• �450 PZ-23 PZ-22 CB 2`� ♦�� �.
MW-26A MW 6S / .10-00
� t.r�, r e n �
t
IL
nTerra
�
MW-10
1
f
`
�� • , - . �' -MW 24S s
P
e
..1F
e
LEGEND
= 1 SPECIFIC CONDUCTANCE CONCENTRATION (umha
Illl ND NOT DETECTED ABOVE REPORTING LIMIT
` HIGHEST CONCENTRATION AREA CONTOUR
" STANDARD CONTOUR
INTERMEDIATE CONTOUR
APPROX. PROVISIONAL BACKGROUND CONTOUR
a MONITORING WELL
G PIEZOMETER
WATER SUPPLY WELL
s ASH BASIN BOUNDARY
.--'.—_'!ASH BASIN COMPLIANCE BOUNDARY
DUKE ENERGY PROGRESS ASHEVILLE PLANT SITE
— BOUNDARY
NOTES:
CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN
2/18/14 AND 7/8/16.
NO NORTH CAROLINA 2LOR INTERIM MAXIMUM ALLOWABLE
CONCENTRATION ESTABLISHED FOR SPECIFIC CONDUCTANCE.
GRAPHIC SCALE
330 165 0 330
660
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
W W W.SVIlt2II8C0Ip.00111
DRAWN BY: B. YOUNG DATE: 08/26/2016
PROJECT MANAGER: T. PLATING
CHECKED BY: T.PLATING noF,nn cic once nnTn, n..,.,,.•.0
AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,
DATED 10/18/2015.
DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA
STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011).
FIGURE 1-12
ISOCONCENTRATION MAP
SPECIFIC CONDUCTANCE IN SURFICIAL
GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA
GRAPHIC SCALE
330 165 0 330
660
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
W W W.SVIlt2II8C0Ip.00111
DRAWN BY: B. YOUNG DATE: 08/26/2016
PROJECT MANAGER: T. PLATING
CHECKED BY: T.PLATING noF,nn cic once nnTn, n..,.,,.•.0
AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,
DATED 10/18/2015.
DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA
STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011).
FIGURE 1-12
ISOCONCENTRATION MAP
SPECIFIC CONDUCTANCE IN SURFICIAL
GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA

7
'!! it
MW-11 D
LAKE
----------------
&M -15D ♦,
' I \ MW-1313 _Al
�' I• � 132 �
• CB 8 /
d MW-12D
� 72v
•
MW-9D �
GW-1 D j �. ♦♦
r.
ABMW-5D %♦
1964 ASH MW-1 D
BASIN
MW-18D ABMW-4D I
2
�, 1982ASH CB-1D i
PZ-16
�BASIN
NO" • •
PZ-17S MW-4D'
%.` GW-4 MW-6D \ ��
oe
� GW-5 /
Is AMW-2A '
Is
MW-21 D
MW 22C
r'
I
-vnTerra
GRAPHIC SCALE
330 165 0 330 660
1148 RIVER STREET, SUITE 220 I
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
DRAWN BY: B. YOUNG DATE: 08/25/2016
PROJECT MANAGER: T. PLATING
CHECKED BY: T. PLATING
�_ ♦ s
jjL
IA
LEGEND
1 SPECIFIC CONDUCTANCE CONCENTRATION (umhc
ND NOT DETECTED ABOVE REPORTING LIMIT
HIGHEST CONCENTRATION AREA CONTOUR
STANDARD CONTOUR
INTERMEDIATE CONTOUR
APPROX. PROVISIONAL BACKGROUND CONTOUR
Q� MONITORING WELL
O PIEZOMETER
ASH BASIN BOUNDARY
BASIN COMPLIANCE BOUNDARY
DUKE ENERGY PROGRESS ASHEVILLE PLANT SITE
--'BOUNDARY
NOTES:
CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN
2/20/14 AND 7/8/16.
NO NORTH CAROLINA 2LOR INTERIM MAXIMUM ALLOWABLE
CONCENTRATION ESTABLISHED FOR SPECIFIC CONDUCTANCE.
AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,
DATED 10/18/2015.
DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA
STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011).
FIGURE 1-13
ISOCONCENTRATION MAP
SPECIFIC CONDUCTANCE IN TRANSITION ZONE
GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA

` " 3-
AS-9
6}
598 ..............
VFW
` •` �.I \CB-9BR %♦ Y.
1 ` CB-8BR \ MW-13BR ♦ �- -
1 -
• • Urr�=
MW-9B136
R
Rom'
�♦ •. e
\ M1N-16BR
•�•�� GW-1 BR
1 1982
• \ GW-2 ASH BASIN
•• 1_., 1964ASH
1 ABMW-5BR
301 MW-1 BR
ABMW-11 BR I ! A
1 ■
NOW
P.
MW-2BR
W-6BR 2II
MW-5BR: i
`♦. �i ' - �AMW-1
� 394'
4
♦ u AS-11 #,AS-15AMIA
,
x+ * AS-
�- �~ �• 47
h J
+ olk t n
"l
1�lp
synTerra
• 1
•
1■
f.•
•
e
B
GRAPHIC SCALE
330 165 0 330 660
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
wwwsvnterracorp.com
DRAWN BY: B. YOUNG DATE: 08/25/2016
PROJECT MANAGER: T. PLATING
CHECKED BY: T. PLATING
LEGEND
1 SPECIFIC CONDUCTANCE CONCENTRATION (umho:
ND NOT DETECTED ABOVE REPORTING LIMIT
HIGHEST CONCENTRATION AREA CONTOUR
STANDARD CONTOUR
INTERMEDIATE CONTOUR
APPROX. PROVISIONAL BACKGROUND CONTOUR
MONITORING WELL
G PIEZOMETER
WATER SUPPLY WELL
ASH BASIN BOUNDARY
'ASH BASIN COMPLIANCE BOUNDARY
DUKE ENERGY PROGRESS ASHEVILLE PLANT SITE
— BOUNDARY
NOTES:
CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN
2/9/16 AND 7/12/16.
NO NORTH CAROLINA 2LOR INTERIM MAXIMUM ALLOWABLE
CONCENTRATION ESTABLISHED FOR SPECIFIC CONDUCTANCE.
AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,
DATED 10/18/2015.
DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA
STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011).
FIGURE 1-14
ISOCONCENTRATION MAP
SPECIFIC CONDUCTANCE IN BEDROCK
GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA

�1
\ MW-11
CB-9SL
t�rr s
MW-15A (CB-9 �♦ " "*'
ND i ei •, Y
r : ♦j P-105 `
APD-7 _
- ■ MWc9S P-104
`\ mw 16A
DP-1
WL
' � ._fit ;� •- � / I `�`
f.•
r .
-MW 24S /71
,
♦ ♦ ABMW-2S
' GW-1
"MW17A •• ,
®1 APD-1 ; / 1 ABMW-5S
CB-7, PZ-26a«
\P-103 I .`� LEGEND
1964ASH
• BASIN 1982ASH CB-1 i
C 1%
` �., GW-3 ,' Fuf�' BASIN
�' G ND ABMW-7S ...
ar.,. PZ-23
P-1OO
��x 1'�' "� � , . � `. • ,MW-2OA NU PZ=.22 `-- CB-2 � PZ-2�•— v® •., •.
ND 1 �-•�®
• CB-4
mwmlo
—
.t i� Y' • �, a • N , ! NOTES:
o syr y. 4pi A r " AS-3
{ r�177 1*tip �. y -
�r!%),i �7; �� , / `♦ :..� =•ter. _ R,r. y
k
' t*
t M , �rP .♦
t
h
synTerra
GRAPHIC SCALE
330 165 0 330 660
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
WWW synterracorp COm
DRAWN BY. B YOUNG DATE: 08/26/2016
PROJECT MANAGER: T. PLATING
CHECKED BY: T. PLATING
FIGURE 1-15
ISOCONCENTRATION MAP
ARSENIC IN SURFICIAL GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA

OMW-11 D
minion.
M1N-15D ' . ♦,
° \ MW-13D
_^'� - _ - •� V` ° I sties+ � -
`'� CB-8 liaml -
• ♦ !,
\MW-12DND
Alt
• r ♦ T f�F
'ft ." 1 tlr
7-
i hoc, •. x } 1. N
r, t
1964 AS H
1 BASIN `ABMW-5D
• MW-1 D
\ ABMW-4D
MW-18D
• �,X D1982ASH CB-11D\
1% BASIN
�% PZ-16
` '.
PZ-17S MW-4D'�.
GW-4
GW-5 — / .� !
• �� MW-5D CB 3R� e"•
MW 21D
$
M1N;22D MVV-23DL MW=33DU
. �'' s� ern` � ► � �`�.. �. .' �
• /♦ k
�'' . r. •cam �,'!w �Fti � '� _
-
r
-
.
synTerra
4
LEGEND
1
ND
:
NOTES:
330 165 0RAPHICSC330E 660 FIGURE 1-16
N FEET ISOCONCENTRATION MAP
148 RIVER STREET, SUITE 220 ARSENIC IN TRANSITION ZONE GROUNDWATER
GREENPHONE 64-42OUTH -9999 OLINA296o1 ASHEVILLE STEAM ELECTRIC PLANT
PHONE [phone]
WWN Brra.YNm ARDEN, NORTH CAROLINA
B
DATE: 08/25/2016
PROJECT MANAGER: T. PLATING
CHECKED BY: T. PLATING

irm
L
•�.. — - —- � Q41,
.-r
\C13-91BRNQ
�♦ Y,
�• �♦ : \ MW-13BR
• ♦ ND_— 1
`♦ e i �CNDR-
■
`\ MW-16BR
♦ ass ;, -=- #. ., sn. �:,—'► "♦
♦ 2 Fa
GW`2 �..�- — p
•III GW-1BR
♦ 1■
t.. .
MY
- `. a.• a
�a ♦ ♦ e
P
1982
ASH BASIN . r
1964ASH ABMW-5BR �% ,
BASIN 1
`� • 6 < < MW-1 BR
- , MW-18BR ABMW-11 BR I
• ♦% _
PZ-17D `♦
`•
�•�
4
' ' e
MW-6BR ND ` J
IND
•.
#, `
♦�
MW-51BR
- `
C134B
IN D
!�
♦
�.
% 1
AMW-1 B'% - -�
ND'" ♦
AMW-3B e
•�
AS-1 7
AS-13
�.�•^'
��
- .. �.,�lool
, AS-11-
MW, 22BR ND
"
��•� � 3- � 1 }A AS-15
AS-6 ' /.
` . zNU
a
AS
YF
.. r ._
d�
Zt +tA ' ' AS-2d
AS-14
/
D W 6
�-
..
y
' shu ay
Terri
LEGEND
1
►
■
NOTES:
GRAPHIC SCALE
330 165 0 330 660
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
W W W.synte rra Corp. co m
DRAWN BY: B. YOUNG DATE: 08/25/2017
PROJECT MANAGER: T. PLATING
CHECKED BY: T. PLATING
FIGURE 1-17
ISOCONCENTRATION MAP
ARSENIC IN BEDROCK GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA

iLAKE
MW-11
• CB-9SL "-
• MW-15A i CB-9 ♦ '
D
Y_
♦ ` ` , ,�
t P-105--
• ` ND
■
MW-9S R
MW 16A ` APD-7 �P
517 ♦♦ '. 6P'1
\ MW-8S - 37g C ♦LAKE
1964ASHJULIAN
.40
a.,00 BASIN ,
ABMW-2S / ABMW-SS .. GW-1 ♦, 411L
MW-17A • {
■ ND ♦ �
1 a
A %
/9491 PZ-27 PZ 26 *.� .
2370 \ P-103 �. , ..'♦
GW-3 420 7 .. _./
i" .. C,B-7 0•
{ ♦ 272 `'e 1982ASH
1%
BASIN74
14
ND
,y
AB
B MW 7S S ♦�
C-6 PZ-19 P-101 789
969 1200
,
i CVVY'\'\\ ♦ ♦ 1 / J
�'1 : , _ �-" •' ` MW-20A C13-2 /%♦ •^V ` �.
PZ-2 2/ \p.-loo
". ,:GCB 4 -�♦,� -1 MW 10
r+ *vim ,ie a +a.. �• CB-5
` _
t
_ `
�< � .- Wit► ` -'
AS-3
rn� ND . /.
p.
' -
Y-=� ,
�nTerra
GRAPHIC SCALE
330 165 0 330 660
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
WWW SVnterr3Corp COm
DRAWN BY. B YOUNG DATE:08/26/2016
PROJECT MANAGER: T. PLATING
CHECKED BY: T. PLATING
7
LEGEND
NOTES:
.MW 24S
41 D*
FIGURE 1-18
ISOCONCENTRATION MAP
BORON IN SURFICIAL GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA

OMW-11 D
i.�.--- --_
MW-15 \ %♦
` r
NU MW-13D •
MVV-12D
# " e--' NAn
♦ . 1964ASH
BASIN ABMW-5D
106
•
♦ \ MW-18D `ABMW-4D
• ,�♦ J PZ-17S 1 BASINH 1
's`' ` ♦� PZ-1,6 GW-4 GW-5
e' •� fib; MW-6D
i'1 ♦r t� r ;1C •` . / MW-313
I
a•� r
f,
MW-5D / ` ♦ ,` �1 AMW=2A`
r,
00000' - ]32
MW-
MW 22D
IF` • -
m
ir ,
b"
*GW"l D
MW-1D
a
I
CB-1D \ �r •`
�-MW 4 1 '`
I 1
---' -i
-23DL
LEGEND
1
ND
•.
O
NOTES:
SirP�S �,
4
C4
.. ._ p .
k' _ 5
�. • /r
1"' Y sso 165 oRAPHICSC3oE sso FIGURE 1-19
ISOCONCENTRATION MAP
IN FEET
4'� ,, h� , t•s"I"- T.�' 148 RIVER STREET, SUITE 220 BORON IN TRANSITION ZONE GROUNDWATER
PRON186 4219THcnRouNn29so1 ASHEVILLE STEAM ELECTRIC PLANT
PHONE [phone]
f' � . �•'�' � synTerr�[DRAWN
WWWs n erra�or .�om ARDEN, NORTH CAROLINA
BY: B. YOUNG DATE:08/25/2016
PROJECT MANAGER: T. PLATING
CHECKED BY: T. PLATING

ir ,
.F
♦ I
•. °. 4* ' MW-1MR
CB-8BR
AS-9
} 3
¢ ,;
AS-17
+� ' AS-15
ND
�1
MW-9BR
",00-
1 GW-2 1964ASH
BASIN
.;AL- _1�LAIllillik'LiWEA
MW-18BR
1% %
�. PZ-17D
r
♦�
e?;
i
� '`• CB-4B
/ AS-13
} MW-22BF
AS-11 ND
NQ
-Mai
5
AS 20; �r
AS-14
AS-4
— GW-1 BR
1982 °
ASH BASIN
\ ABMW-5BR
MW-1 BR
ABMW-11 BR
MW-6BR
/ MW-2BR
�w
DW-6
Terra
1
1 1•
- ` 3' ° •
- _000
GRAPHIC SCALE
330 165 0 330 660
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
W W W.synte rra Corp. co m
DRAWN BY: B. YOUNG DATE: 08/25/2016
PROJECT MANAGER: T. PLATING
CHECKED BY: T. PLATING
LEGEND
G
O
NOTES:
4*r .
FIGURE 1-20
ISOCONCENTRATION MAP
BORON IN BEDROCK GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA

4ifi.f' RTy,JJW4!7'V�ti�
# Ake
1
♦
��.
., - vi. ♦s
•—• •��`• i' �. d -.'„' �:,,Y s Ast r#':.- /ter •R _ `�'����I . ' �•
���.•�.
MW-15A CB-9 ♦ . ./ -MW 245�
• 41, �MW-9S� P-105 i
e ` " P-104
1 i �.L_
:MW-16A
MW-8S 10,
420
�\ ABMW-2S
♦ 1 1964ASH
MW-17A BASIN
430 `; APD-1
• A
. � \ PZ-27
CB-7 GW-3
♦0
x ♦ CB-6
4 �
jam-" x •' y MW-20A
'1!7.
GW-1 /
`ABMW-5S ',.
7pZ-2*,-
\P-103
I
1982ASH CB-1 r
BASIN
P-101
/ ABMW-7S PZ-24• �_
P-100 / \
MW-6S _ PZ 23
® `
CB-2
CB-5
/100
`, • s's
�. rt1
1 t•M5�
taAll- --,a iFx3
n�
r-
CB-4 ♦�
/ 5.2 !`
rrA
synTerra
e
`�•"
LEGEND
=
1 TOTAL CHLORIDE CONCENTRATION (mg/L)
Illl
ND NOT DETECTED ABOVE REPORTING LIMIT
HIGHEST CONCENTRATION AREA CONTOUR
NORTH CAROLINA 2L CONTOUR
• / �`
INTERMEDIATE CONTOUR
APPROX. PROVISIONAL BACKGROUND CONTOUR
a MONITORING WELL
G PIEZOMETER
WATER SUPPLY WELL
s
ASH BASIN BOUNDARY
.--'.—_'!ASH BASIN COMPLIANCE BOUNDARY
DUKE ENERGY PROGRESS ASHEVILLE PLANT SITE
— BOUNDARY
•
NOTES:
CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN
2/18/14 AND 7/8/16.
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
THE NORTH CAROLINA 2L FOR CHLORIDE IS 250 mg/L.
PROVISIONAL BACKGROUND CONCENTRATION IS 32 mg/L.
AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,
DATED 10/18/2015.
DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA
STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011).
660 FIGURE 1-21
ISOCONCENTRATION MAP
CHLORIDE IN SURFICIAL GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA
DRAWN BY: B. YOUNG DATE: 08/26/2016
PROJECT MANAGER: T. PLATING
CHECKED BY: T. PLATING

�\ MW-11 D
1T"
S ,1t iT
'1! it
'r 'BASINS
GW-1 D /
• 1964ASH
i BASIN ABMW-4D ABMW-5D
MW-1D r
MW-18D PZ-17S
,. 1BASINH CB -ID
PZ-16 �r
�
MW-46 -
e .. •� MW-6D
MW-3D
GW-5 _ / "'oo"
AMW-2A "..7
' 1
f
j {_--
.
lip
-.� LEGEND
1 TOTAL CHLORIDE CONCENTRATION (mg/L)
� ND NOT DETECTED ABOVE REPORTING LIMIT
HIGHEST CONCENTRATION AREA CONTOUR
i NORTH CAROLINA 2L CONTOUR
INTERMEDIATE CONTOUR
APPROX. PROVISIONAL BACKGROUND CONTOUR
•` sa MONITORING WELL
PIEZOMETER
ASH BASIN BOUNDARY
IL
_ -'!ASH BASIN COMPLIANCE BOUNDARY
DUKE ENERGY PROGRESS ASHEVILLE PLANT SITE
e BOUNDARY
�= )fn
Terra
NOTES:
CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN
2/20/14 AND 7/8/16.
THE NORTH CAROLINA 2L FOR CHLORIDE IS 250 mg/L.
PROVISIONAL BACKGROUND CONCENTRATION IS 2.2 mg/L.
AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,
DATED 10/18/2015.
DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA
STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011).
GRAPHIC SCALE
330 165 0 330 660 FIGURE 1-22
IN FEET ISOCONCENTRATION MAP
148 RIVER STREET, SUITE 220 CHLORIDE IN TRANSITION ZONE GROUNDWATER
GREENPHONE 64-421- 9 CAROLINA ASHEVILLE STEAM ELECTRIC PLANT
PHONE [phone]
WWw. n rr or om ARDEN, NORTH CAROLINA
DRAWN BY: B. YOUNG DATE: 08/25/2016
PROJECT MANAGER: T. PLATING
CHECKED BY: T. PLATING

AS-9
2.3
■ ' MW-14BR _
MW nBR
\ B-8B`R ���• \ C fi4 !�
6BR
F
GW-2
210
1964 ASH
BASIN
PZ-1
♦ f
CB-4B
AS`13 �♦ g4g'
85
s; , mw-zztarc
AS-11
r 7
b"
1416
i
P
♦1
r: GW-1 BR `♦
1982
-- ASH BASIN ♦� `..1F
ABMW-5BR %,
MW-1 BR
ABMW-11 BR '
�I
MW-2BR
MW-6BR
MW 5BR f - ` `®
,♦ P { n
AMW-1B% AMW-3B
AS-5
7.75
AS-14
A
GRAPHIC SCALE
R X, ,,
�
i tt� _ d�
DW-6
330 165 0 330 660
�+
1
IN FEET
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE
864-421-9999
Terra v`nvw n rr or om
DRAWN BY: B. YOUNG DATE: 08/25/2016
PROJECT MANAGER: T. PLATING
"y
CHECKED BY: T. PLATING
P:\Duke Ener Droo ress.1026\00 GI BASE DATA\Ashevill
�• .: .
LEGEND
1 TOTAL CHLORIDE CONCENTRATION (mg/L)
ND NOT DETECTED ABOVE REPORTING LIMIT
HIGHEST CONCENTRATION AREA CONTOUR
NORTH CAROLINA 2L CONTOUR
INTERMEDIATE CONTOUR
APPROX. PROVISIONAL BACKGROUND CONTOUR
MONITORING WELL
G PIEZOMETER
WATER SUPPLY WELL
ASH BASIN BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY
DUKE ENERGY PROGRESS ASHEVILLE PLANT SITE
— -BOUNDARY
NOTES:
CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN
2/9/16 AND 7/12/16.
THE NORTH CAROLINA 21- FOR CHLORIDE IS 250 mg/L.
PROVISIONAL BACKGROUND CONCENTRATION IS 6.4 mg/L.
AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,
DATED 10/18/2015.
DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA
STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011).
FIGURE 1-23
ISOCONCENTRATION MAP
CHLORIDE IN BEDROCK GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA

\ MW-11
f t`�
L��j,7..�,I
ham"✓ "�
gq
sm ti_.r.:r�l�. �.�r�a-+5. "'k.�1i" '�i.,�'1 � M*� y ��'. ♦' •.!p .� � � r -.'AQ
T.
414
Ak
�a
N4
1y
♦ til� �/
i'o
t? ��2111
' a may`
eqi � M r �✓'�� `ii;
!tnll A
r♦ 0
\ ABMW-2S
♦♦ MW-17A.,
1964 ASH
BASIN
Nil
CB-7 GW-3
,.
1982 ASH
BASIN
CB-1
� J
_
`` �♦ CB-6
20A
�♦CB-4SND
�. ,10000��
ND
I
BMW-24S *-1■
0.26
LEGEND
'
1 CHROMIUM (VI) CONCENTRATION (Ng/L)
ND NOT DETECTED ABOVE REPORTING LIMIT
'♦ +� *
HIGHEST CONCENTRATION AREA CONTOUR
\
NCDHHS CONTOUR
°.
■ / ♦`
INTERMEDIATE CONTOUR
APPROX. PROVISIONAL BACKGROUND CONTOUR
a MONITORING WELL
G PIEZOMETER
WATER SUPPLY WELL
ASH BASIN BOUNDARY
.--'.-_'!ASH BASIN COMPLIANCE BOUNDARY
■
DUKE ENERGY PROGRESS ASHEVILLE PLANT SITE
- MW=10
BOUNDARY
NOTES:
♦
CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN
2/18/14 AND 7/8/16.
THE NORTH CAROLINA DEPARTMENT OF HEALTH AND HUMAN
SERVICES HEALTH SCREENING LEVEL FOR CHROMIUM (VI) IS 0.07
Ng/L. NC DHHS MEMORANDUM, NOVEMBER 4, 2015.
PROVISIONAL BACKGROUND CONCENTRATION IS 1.9 Ng/L.
synTerra
AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,
DATED 10/18/2015.
DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA
i STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011).
GRAPHIC SCALE
330 165 0 330 660 FIGURE 1-24
IN FEET ISOCONCENTRATION MAP
148 RIVER STREET, SUITE 220 CHROMIUM (VI) IN SURFICIAL GROUNDWATER
GREENPHONE 64-421- 9 CAROLINA ASHEVILLE STEAM ELECTRIC PLANT
PHONE [phone]
=w.svnterracorQ.Q0M ARDEN, NORTH CAROLINA
DRAWN BY: B. YOUNG DATE: 08/26/2016
PROJECT MANAGER: T. PLATING
CHECKED BY: T. PLATING
PADuke Energy Progress, 1026\00 GIB BASE DATA\Asheville\MaD Docs\CSA SuDDlement\Asheville - Isoconcentration Maps Surficial,mxd

■
\MW-11D
k6k.
n k:
�.
a \ MW-1
�2
1964 ASH
BASIN
ABMW-4D
PZ-17S
i 0.12
♦
MW 22D ;
3
1982 ASH
BASIN
MW-1 D
y
2�
GW-1 D
LEGEND
1 CHROMIUM (VI) CONCENTRATION (Ng/L)
CB-1D� ND NOT DETECTED ABOVE REPORTING LIMIT
Fr ♦ °♦� HIGHEST CONCENTRATION AREA CONTOUR
♦ � NCDHHS CONTOUR
__ '♦ / INTERMEDIATE CONTOUR
APPROX. PROVISIONAL BACKGROUND CONTOUR
+� � •` sa MONITORING WELL
•��I .� �� '� PIEZOMETER
�,iASH BASIN BOUNDARY
_ —'!ASH BASIN COMPLIANCE BOUNDARY
DUKE ENERGY PROGRESS ASHEVILLE PLANT SITE
■ --'BOUNDARY
synTerra
GRAPHIC SCALE
330 165 0 330 660
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
wwwsvnterracorp.com
DRAWN BY: B. YOUNG DATE: 08/25/2016
PROJECT MANAGER: T. PLATING
CHECKED BY: T. PLATING
P-\N,kP FnP v Prnnr—, 1026\00 (;IS RARF r)ATA\A havill
NOTES:
CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN
2/20/14 AND 7/8/16.
THE NORTH CAROLINA DEPARTMENT OF HEALTH AND HUMAN
SERVICES HEALTH SCREENING LEVEL FOR CHROMIUM (VI) IS 0.07
Ng/L. NC DHHS MEMORANDUM, NOVEMBER 4, 2015.
PROVISIONAL BACKGROUND CONCENTRATION IS 0.03 Ng/L.
AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,
DATED 10/18/2015.
DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA
STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011).
FIGURE 1-25
ISOCONCENTRATION MAP
CHROMIUM (VI) IN TRANSITION ZONE
GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA

AbL
ILI V . r, 4
■ \ MW-14BR CB-9BR
MW-13BR''.
'CB-8BR
1'° '� '■ MW-9BR • , sue.
MVV-16BR - -
� \ GW-2
' 1964ASH
Ay BASIN
S-9 '
ABMW-11BR
■ li,�,, MW-18BR i flitri
' • 1982ASH
PZ-17DBASIN
Ilk
Iw
- 1 • ♦ r'a
4 • ,
to-
J a � E
itIlk
,.
-SBR,
CB;;4BAS-1 7 !"
AS-13 1100,
AS MW-22BR `
v
Y" D
',I- &A \ A$-11
AS-1 5
y1 �yyt y ND. --
a sa -
A$-6 •I
I
.i t.y �-A
AT
LEGEND
•
J
1 CHROMIUM (VI) CONCENTRATION (Ng/L)
•
ND NOT DETECTED ABOVE REPORTING LIMIT
t
?mod• �-
HIGHEST CONCENTRATION AREA CONTOUR
•
F t� �_
NCDHHS CONTOUR
INTERMEDIATE CONTOUR
'�
. / •`
APPROX. PROVISIONAL BACKGROUND CONTOUR
MONITORING WELL
`
•�
G PIEZOMETER
.�
WATER SUPPLY WELL
I
�•' `
ASH BASIN BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY
DUKE ENERGY PROGRESS ASHEVILLE PLANT SITE
AMW-3B
— 'BOUNDARY
/
NOTES:
CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN
2/9/16 AND 7/12/16.
THE NORTH CAROLINA DEPARTMENT OF HEALTH AND HUMAN
SERVICES HEALTH SCREENING LEVEL FOR CHROMIUM (VI) IS 0.07
Ng/L. NC DHHS MEMORANDUM, NOVEMBER 4, 2015.
PROVISIONAL BACKGROUND CONCENTRATION IS 0.6 Ng/L.
AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,
DATED 10/18/2015.
'
DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA
_--.
STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011).
GRAPHIC SCALE
330 165 0 330
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
f PHONE [phone]
. DATE: 08/25/20161C'nTerra tWW' BOm
PROJECT MANAGER: T. PLATING
CHECKED BY: T. PLATING
0: a�
P:\Duke Ener Pro ress.1026\00 GIB BASE DATA\Asheville\Ma Do<
FIGURE 1-26
ISOCONCENTRATION MAP
CHROMIUM (VI) IN BEDROCK GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA

�\ \ MW-11
.......`E
ir ,
b"
T
MW-15A r \ CB-9 •` ": r
ND
`♦ � _- P-105 `
,MW 9S .1.64 ANIL
,
1 1OF
HOT
APD-7 ,,/ " MW-16A
a
•• -. o \ MW-8S
1964ASH ABMW 2SJULIAN
♦`r-sue A BASIN 5` - .
GW-1 ,.
•\ MW-17A 1 . 1
` ABMW-5S %.
1
CB
7 \ PZ-27 PZ-26*
,
a,.,•� APD-1 _ \ P-103 . .. _.%
` •, 1982ASH C13-1 `
1% • GW 3 BASIN
4 J, ,
,X�CB 6%. PZ-19 P-100
- ' ♦ ABMW 7S PZ-2�� -
�, - r� :ed.. .♦ MW-6S / PZ-23 \
T Via-.x •' ` , MW-20A �— PZ-22 CB_2�,� ��0v f •♦
k .
'� i •, CB_4
X- Mll-li,
!.h i'
/ ND
N,
a .
r
synTerra
GRAPHIC SCALE
330 165 0 330 660
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
W W W.SVnterr3Corp.CO m
DRAWN BY: B. YOUNG DATE: 08/26/2016
PROJECT MANAGER: T. PLATING
CHECKED BY: T. PLATING
7
LEGEND
NOTES:
FIGURE 1-27
ISOCONCENTRATION MAP
CHROMIUM (TOTAL) IN SURFICIAL GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA

,
MW-11D
- e
--------------
x
• MW-15D ,,
r
• \ MW-13D
MW-12D - •
10.2
CB 8 /
F„
_ MW'9D/
F • . ♦ t� •E _. a 2
'ft ." 1 tlr
71
* ' �1
Na4rY ',7'.+'�'rt �'�i.-.2"a ham.•-;
• 1
1964ASH
1 BASIN
•
,'♦ ABMW-4D
MW-18D
1 ABMW-5D
N D, 1982 ASH
,• i PZ 17SBASIN
%PZ-16
r`
4
GW-5
x �
MW-6D/ /
MW-SD
• , \1
1000, , ` AMW=2A j '~ '
MW-21 D
MW;22D MW-23DL
or
5
+� f
k
ir ,
b"
MW-1 D
CB-1D \
a
LEGEND
1
ND
�.
NOTES:
Y -
f• Y h� A, ark - -
f
',
• ,'�F
?
330 165 GRAPHIC SC30E 660
FIGURE 1-28
ISOCONCENTRATION MAP
hr
r'�4
`;s`%h''_'fT�'.
v
N PEST
�
148RIVERSTREET,SUITE22o
GREENVILLE, SOUTH CAR0u NA 29601
CHROMIUM (TOTAL) IN TRANSITION ZONE
-.
4�
f
PHONE [phone]
GROUNDWATER
.,.
f' J �4
* -
A
nTerr�
WRAW n erracor .com
DATE:08/25/2016
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN NORTH CAROLINA
PROJECT N
CHECKED BY: T. PLATING

MW 14BR
_ , �r �• , `•00
�, ' ::•�!^ems `' .
•' \CB-9BR
♦'
\ MW-13BR
• • 4*
MW-16BR MW-9BR ♦ ♦ �. • . e
ND n• - _; ,
-4NU' i •
�. . �••� GW-1BR +
\ 1982
• ASH BASIN
♦ GW-2 1964ASH ABMW-5BR
BASIN g
MW-18`BR MW-1 BR
4_ \ AS-9_ ♦ ` '
♦ I
3 1% ♦ `_ ABMW 11 BR
4 ,p ♦ - .-
-
911111.
N U
' 1 ♦• �� PZ-17D / MW-21BR �� • '
s
MW-51BR
I ' ♦ C04B e ��
AMW-1 B'% 000l', AMW..-3ft:B '
-13
Aim
AS-1 7 AS .00001
/ *
MW,-22BR /
AS-11
�- 1Ti-a
J AS-15 AS-6
n N L7 AS-4 / - ..._
dit
�• AS-14
'!!7.
w4 AS 20 N
. � v
DW-6
I
�ynTerra
LEGEND
1
lr
ND
—.q
NOTES:
330 165 ORAPHICS330E 660 FIGURE 1-29
IN PEST ISOCONCENTRATION MAP
148 RIVER STREET, SUITE 220 CHROMIUM (TOTAL) IN BEDROCK GROUNDWATER
GREENPHONE 64-42OUTH -9999 OLINA29601 ASHEVILLE STEAM ELECTRIC PLANT
PHONE [phone]
ARDEN, NORTH CAROLINA
DRAWN BY: B. YOUNG DATE: 08/25/2016
PROJECT MANAGER: T. PLATING
CHECKED BY: T. PLATING

%
\ MW-11 �
. a.
C13-9SL
dfi
- wwt
MW-15A (CB-9 �f ' ,/ W 24S
P-105
9
MW`9S .
• . 9
`` MW`16A P-104 DP-1
1
r 2V.
F r MW 8S�✓ ABMW-2S 1 p •`♦ .' y,;:
`♦ , APD-7
` ABMW-5S GW 1
MW-.17A` 1964ASH 16.7
BASIN
a
®. PZ-26�;*.�
CB 7 • APD-1 PZ-27 \ P-103 ' . ♦.
— 20
%• `GW-3 1982ASH C13-1 '
1% BASIN
F `• �� 14.3 ABMW-7S� PZ 24 .' ��•
P-100
ar.,. A. PZ 19;. 35.9 3.5 -
%4, N(3
MW 6S qr •`
MW-2OA PZ-22 _ RF �.— �� ., •.
Y , f
28; I ♦� .�.. CB 2 PZ 23
�♦ a
CB-
ip
"w
AS
.�
h
synTerra
�"v
9
GRAPHIC SCALE
330 165 0 330 660
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
W W W.SVnte"aCOrp.Com
DRAWN BY: B. YOUNG DATE: 08/26/2016
PROJECT MANAGER: T. PLATING
CHECKED BY: T. PLATING
LEGEND
NOTES:
FIGURE 1-30
ISOCONCENTRATION MAP
COBALT IN SURFICIAL GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA

MW-11 D /
I
r�
p \ MW-13D
4.69
1:23
a 2.7
WOU
O
t
1*_
•■fit• l ��
�. �. .. _ r it • : M�!;`�i Jh e�!'H
I
1964 AS H
BASIN ABMW-4D
3.4 • 1 �`, y
/,
r
n `
` GW-1 D
ABMW-5D %
h.-7.1 D
� a
` s 1982ASH
�� a� PZ-161% BASIN
'% `PZ-17S
GW-4
�. �. GW-5 MW-3D
CB-3R
- •� MW-6D / �
r
i� ♦��r
t •� BMW-5D / `�• MW
�AMW=2;4
MW-21 D
4.4 s.;.
r,y 4 k�4ptrA A MVV�22D
�✓ ! � ,jib �r !� 4: A � h,l.>. � � � �''•
" /♦
-
n r
`�`
�a ♦ ♦ e
P
e
LEGEND
1
ND
O
NOTES:
GRAPHIC SCALE
330 165 0 330 660
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
W W W.SVnte"aCOrp.Com
DRAWN BY: B. YOUNG DATE: 08/25/2016
PROJECT MANAGER: T. PLATING
CHECKED BY: T. PLATING
Pow;,.
,
ava" P..
FIGURE 1-31
ISOCONCENTRATION MAP
COBALT IN TRANSITION ZONE GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA

AS-9
ND 4
y-51
N U -
Nn.„' #r
7 '!}� • +4"" k+� h "�qua
iWi
IL
MW-14BR
' .0 - — - — - — - — - — - — •
_ —
�
• • - ND_- 1
�.
i \ CB-BBR
■
MWIN
\ MW-16BR
ND e
GW-1 BR
•� � -- 1982 - - ` • f
• \ GW-2 ASH BASIN . r
• ; 1964ASH
`1 BASIN ABMW-5BR /
4.21 `MW-1 BR
,1No�.
,,i _
�� yvt H
\ MW-1813R I
•, �. ABMW-11 BR
1 ■
%1%
S ` • PZ-17D ,
VoV
' 1 • MW-21BR -
MW-6BR
�. MW 5BR /� �VV, e 1
CB-4B
�• AMW-1%.a AMW-3AS-1 3
B,, '
AS-17 / 10000 •,
MW-22BR ASS
, AS-11 D
AS-15 / AS-6 :
4 /1
Ail
AS-4
128
'!! it
/ DW-6
synTerra
r
LEGEND
1
R
ND
NOTES:
330 165 ORAPHICS330E 660 FIGURE 1-32
IN PEST ISOCONCENTRATION MAP
148 RIVER STREET, SUITE 220 COBALT IN BEDROCK GROUNDWATER
GREENPHONE 64-42OUTH -9999 OLINA29601 ASHEVILLE STEAM ELECTRIC PLANT
PHONE [phone]
ARDEN, NORTH CAROLINA
DRAWN BY: B. YOUNG DATE: 08/25/2016
PROJECT MANAGER: T. PLATING
CHECKED BY: T. PLATING

\ MW-11
CB-9SL
MW-15A CB-9 �f
•'
` 1 P-05 ♦ i —
�a� \ P-104, "R„4
MW-9S
• . !,
i
MW-16A f ` APD-7
171 ` • ; DP-1 ;
MW-8S .
1964ASH „-, ,v° *4
BASIN .
\ ABMW-2S ABMW-SS ' GW •1�
-- PZ-27 4800 ,
MW-17A \
35500 APD-1 PZ-26 /
CB-7 / P-103 340
GW-3 C.
1 H 595
BASIN
a — 4
,
7r,A*
�.
�.: F 2 �400� 471
tiS
ar.,. ' ♦ 545
AB13
MW
Y Y
-100
]� •�
PZ 22iPZ-23 a.
,�`"��'. •� MW-20A `�� 23Q± / \,
• � :- `� `' � ':. �, _Cg4
_ MW-6S^fi1/
L a' ti P
tea. .ry y� .�, w`' ..,,.-.�'r �'Y �` :�s•-�� JF �+1.' 569.
130 �^yi,,�
• ''asp -. �"`�- '4 '�'�� k''� '� P! � � e.'^ -, P� i'., d
a.
1
._ 4
-MW 2_2
s
^
AMP
..�
LEGEND
MW-10
NOTES:
31
GRAPHIC SCALE
330 165 0 330 660
IN FEET
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
n er com
S Term
DRAW
DRAWN BY B B. - YOUNG DATE 08/26/2016
PROJECT MANAGER: T. PLATING
CHECKED BY: T. PLATING
FIGURE 1-33
ISOCONCENTRATION MAP
IRON IN SURFICIAL GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA

\ MW-11 D
Lr
'A mom
MVV-15D ♦
CB
MW-12D - -
41,LAKE
r . •
�` ' • _ �';
r
1
JULIAN
• 1964ASH s'
BASIN ABMW-5D
MW-1D —_
• 19000 -
:; LEGEND
t ,. , ♦ _ ABMW-4D
•MW-18D 7630 CB-1© ! ., 1
• 1982ASH
` 3 �: ` `• PZ-16 BASIN /. ` , ND
4 1%N x •877
♦ ,
, GW 5
7hS . �
PZ-'I ,
♦ MW-313
44
-3
,�.MW 5D
v ,
MW 21D
•�+'� .. 11600 .
�,��, .. ¢ ��w�a# .�+M �i.j���`'.� !+h"y ..+ •�. f ��.,__ ` �I a"r'; . . - _v.. .. .. • Ji
NOTES.
1 1 MW`22D ._ - MW=33U
r 7Fo—
r Y , GRAPHIC SCALE
*l 330 165 o sso 660 FIGURE 1-34
n /r''" v
ISOCONCENTRATION MAP
IN FEET
`. 1asRIVERSTREET,suITE22o IRON IN TRANSITION ZONE GROUNDWATER
GREENVILLE, SOUTH CAROLINA 29601
PHONE[phone] ASHEVILLE STEAM ELECTRIC PLANT
Term wwws n erracor com
ARDEN, NORTH CAROLINA
DRAWN BY: B. YOUNG DATE: 08/25/2016
I PROJECT MANAGER: T. PLATING
CHECKED BY: T. PLATING

ir ,
f
wr LAKE
JULIAN
rvF
. n I
_ MW=1�4BR
\ i \ CB 9BR
•... .._ , CB 813R \ MW22 BR 'f: -t ►
897_ - ; •�
� MV11-9BR •Yr
MW-16BR
C ♦
Br
KE
ABMW-5x - .. " •�, ,
1964ASH ! ,
BASIN p -•� ; ,_ ' ,
`MW-1 BR ' J _.� ;r,,,•�-ems I ' ��
AS-9,_ _ ABMW-11 BR / I
12 •� �. MW-18BR ,� 766 1982 H BASIN1
3 ♦ _ND
- ` �♦ G PZ-17D
63
♦.A�
_ `� ♦`♦ MW-613R `.
`J1:.. T s� x a. ` ♦_ .. , . MW-2BRl•
' �..
�. +`",�s ^.; AMW 3 13
e "zsi( c► `:�", AS-13 �' .. AMW-16 i
0, AS-17 110
MIN221 84
wM
4r x
7.
At.» "25' AS 6 '
NU 24'S0AL
AS-14
In
DW-6
Term
GRAPHIC SCALE
330 165 0 330 660
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
W W W.synte rra Corp. co m
DRAWN BY: B. YOUNG DATE: 08/25/2017
PROJECT MANAGER: T. PLATING
CHECKED BY: T. PLATING
LEGEND
0
0
c.-- --!
1m=
NOTES:
FIGURE 1-35
ISOCONCENTRATION MAP
IRON IN BEDROCK GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA

ate^- ,1¢ ,., kF-
�\ \ MW-11
All
-15A �•�•!
rob-,
i
•e
4 MW-9S
WV-16A
�•';j
•` • MW-8S 1964ASH
2920 BASIN
am
P-104
P-105 1150
APD-7
w
i
•r.-ad..�lr71
ir ,
b"
t,
y
JEW.
`MW 245
�•MW 17A ABMAI
\ W 2SI GW-1 ♦ L
1
--5040 18400 �PZ-27 P-103 •♦ ,
84 ABMW-5S
CB-7,6, -• PZ 26
•� �. -
GW-3
APD-1 3200 1982ASH C13-147,20 = '
BASIN
♦, �, a �, P-101
♦♦ ' 2320 PZ-23
.,. _
�. 0B® 3640 PZ-242000
1
MW-2OA ♦ S PZ-19 \ 0,
8930 ` �, 212 �'
' ° ♦ MW-6S �, 763 `,' CB 2
•, 0970 �' PZ-22A
a `. ♦� 223` ,� 2750
k • `� -7
`�'A+4p ir��'� Mr 1,' • 54r AS-;` �
..��
c-r a�; mot. r-. ,-..t-t>.� , a a �k�' ° ♦ 0
r'iW"
+^ r 4Y r
'X_ M1.1i,
/
x
synTerra
GRAPHIC SCALE
330 165 0 330 660
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
www svnterracorp com
DRAWN BY. B YOUNG DATE:08/26/2016
PROJECT MANAGER: T. PLATING
CHECKED BY: T. PLATING
LEGEND
NOTES:
FIGURE 1-36
ISOCONCENTRATION MAP
MANGANESE IN SURFICIAL GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA

�k Tr•
\ MW-11 D
s
6 r
-• i \ MW-130, �
i
CB-8 /• : \ MW-1a2D —
4 ,` ♦ 123
F� r
iMW
r 3660 r •
�ft :1 1 tY^
MW-1 D
+ 33 \
'`; 1964ASH
1 BASIN ABMW-5D
oMW-18D ABMW-4D / '
PZ-16 BASIN
ty�
'% PZ-17S / MW-4D-_�
♦ GW-4 GW-5 87
e€t�:, `' ♦., MW-6D 363
zc B-3R
AMW.'2A
MW 21D
MW-23DL
�� �rn,;.r-�'._ ��• ;, ,� � BY
MW
-22D V I_
N2.
_
synTerra
p
LEGEND
1
NID
..
O
NOTES:
GRAPHIC SCALE
330 165 0 330 660
1148 RIVER STREET, SUITE 220 I
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
DRAWN BY: B. YOUNG DATE: 08/25/2016
PROJECT MANAGER: T. PLATING
CHECKED BY: T. PLATING
FIGURE 1-37
ISOCONCENTRATION MAP
MANGANESE IN TRANSITION ZONE
GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA

' MW-146R
\ MW-13BR
.4* CB-86R 25
452Do
r r. `MW-913R
MW-16BR
cw-2
' 1
AS-9 �m
MW 1813R.
AlL
9� s
re. - ♦ ♦y
AS-1 3
� AS-17 %AKJ
- •' AS 11
v m�
_iV r
i
AS-15
AS-14
AS-2014
/
1964 ASH
BASIN
B-96R -
1
�2
Lr
..,. r.. .
r -
1982
ASH BASIN mq
1 ABMW-5BR
157
ABMW-11 BR
AS-4
•
DW-6
MW-2BR --'-1
I�
Y
ynTerra
AMVIL3B
LEGEND
-
0
e
NOTES:
GRAPHIC SCALE
330 165 0 330 660
IN FEET
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
www.svnterracorp.co m
DRAWN BY: B. YOUNG DATE: 08/25/2016
PROJECT MANAGER: T. PLATING
CHECKED BY: T. PLATING
FIGURE 1-38
ISOCONCENTRATION MAP
MANGANESE IN BEDROCK GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA

MW-11
C S L —
W-1 5A (-C—B -
♦ ,
P-105 N
M 1
'j
r
3 \
AP.D-7�_
MW-16A
y 1.13 ND � C
1964ASH
1982
MW-17A _ ABMW-2S �, BASIN ASH BASIN
2.48 r
ND .
1 ABMW-5S
tie "4' ,,�i-*'4�
, dam.- - —4e .,., kF- }' -
w 4
�eF'� Y'•d,l
am
C APD-1 PZ-26•, -
' ND PZ-27 �.
\ P 103 . _. 0
3.54
GW-3
' CND7 1.17 d I
P-100
° CB-6
PZ-19 P-101 ABMW-7S
+�
` PZ-23 \
.4
MW 20A •- �.
CB' j4 � .PZ 22��
_�
MWm10 I
13
-1. d
idhpv
�
;•
k
y
y� ¢qi
synTerra
GRAPHIC SCALE
330 165 0 330 660
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
www svnterracorp com
DRAWN BY. B YOUNG DATE: 08/26/2016
PROJECT MANAGER: T. PLATING
CHECKED BY: T. PLATING
`MW '
W
LEGEND
L —^
NOTES..
FIGURE 1-39
ISOCONCENTRATION MAP
SELENIUM IN SURFICIAL GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA

T
.F
hb ��
L
W-11 D
oil
MVV-15D . - %
■ MW-12D \ MW-13D
w` ND
`,
1 `CB-B
20.7
♦ �`'2 -�
1 1964ASH
BASIN ABMW-5D
• 3ti-o
♦ ABMW-4D
,�♦ ND
MW-18D
` X; 1982ASH
,•11 PZ-17S BASIN
"ram
A \ PZ 16 GW_5
,s
#7cp ed �♦ CB-3R
GW-4
`it`s" 1���a1 :�'�,' 1�► x ` �
MW-51)
AMW
71
AV il'
ti„Fc '► may`°'lba #. y �El■' p �' / ` MW-23DL /
r �✓ n ,Jy, �. ,es r A a,,,i., „7`• C �j,�. .'
MW 22DIVA
w4l Ali:
,� 1
r
rr..`.
Ot"l
D
"!-
MW-1D _,. � ,
C13-1D
MW-4D-_—.
ND \
GRAPHIC SCALE
330 165 0 330
IN FEET
•.
r�
660
01
ATE: 08/25/2016
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 296
PHONE [phone]
www.s n erracor .com
DRAWN BY: B. YOUNG D
PROJECT MANAGER: T. PLATING
CHECKED BY: T. PLATING
LEGEND
1
ND
NOTES:
FIGURE 1-40
ISOCONCENTRATION MAP
SELENIUM IN TRANSITION ZONE GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA

` " 3-
9
MW-14BR
L
. *--— -— - —- VA
.��•.
CB-96R *♦ ,
\MW-13BR NQ
• • ND_-
i �CNDR-
■
`■ `■ � MW-9$R • ♦ sue. - _-_��. .• e
`\ WV-1613R
•aL
GW-1 BR ,
�a ♦ ♦ e
P
s,
1982
• \ GW-2 ASH BASIN . r
1964ASH
BASIN 1 ABMW-5BR
MW-1 BR
•� � Ot
MW-1813R; , ABMW-11 BR I
1% %
V % --
ar.,. ,PZ-17D ,MW-2BR
...
fit e�. � -� MW-61BR 101,
e�'�; ;� . ■ `., �• � / �'� .- eI' ♦.
MW-513R
,`.`� AMW-1 B'1 o ' -7 AMW-313 .
AS-17 /
`• • , -
MW.22BR AS 5
AS-11
i . 9
•
In
"- SAS-15 AS-6
`5
♦
��r
i YF: •
AS-14 '• s ''
`0,4 AA S-20
+ x /-
�+ � ,M �✓'.� yy'+afti. ^�+n5�r' ' e ie i.P �i± v � ne � _if ,■ ,
.�ynTerra
LEGEND
1
71
.
. c• —
Q
►
■
NOTES:
GRAPHIC SCALE
330 165 0 330 660
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
W W W.SVnterr3Corp.CO m
DRAWN BY: B. YOUNG DATE: 08/25/2016
PROJECT MANAGER: T. PLATING
CHECKED BY: T. PLATING
FIGURE 1-41
ISOCONCENTRATION MAP
SELENIUM IN BEDROCK GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA

- �wa.*,a "'k; ti �•e�i M*� �_' �' "4 �; A � 1 r ' AS-3
'1!7,
1. !',9j��x3
CB-9SL
•�• (CB-9
_���` - �' - .'�'. tie; s Ast.. r$'-'-
tt
11-9r - P-105
W �JSE:
P 104HOT
88 DP 1•: POND
MW-8S
3540
- AB 83
.ems \ABMW-2S P253 GW-1 / '��,
PZ-26
1964 ASH 11 " .I
` BASIN �t
• CB-7 *. -
': GW-3
` 1982ASH CB-1
�. BASIN
CB-6 P-101 P-100
%' lllmPZ_19 ABMW-7S PZ-24
565 ♦ / 202dl
\
MW 20A / CB 2�
PZ 22 / ,PZ-23
_ .,
•� �/`•/
,' , 111,.
CB-5
ra` ;0000• CB-4,
r • .
3
i
synTerra
pw
ram•° �
a.•
■ - a �'
♦ •MW-24S /71
LEGEND
0'
1 STRONTIUM CONCENTRATION (pg/L)
ND NOT DETECTED ABOVE REPORTING LIMIT
R
HIGHEST CONCENTRATION AREA CONTOUR
STANDARD CONTOUR
r • �`
INTERMEDIATE CONTOUR
APPROX. PROVISIONAL BACKGROUND CONTOUR
a MONITORING WELL
G PIEZOMETER
WATER SUPPLY WELL
s
ASH BASIN BOUNDARY
.--'.-_'!ASH BASIN COMPLIANCE BOUNDARY
DUKE ENERGY PROGRESS ASHEVILLE PLANT SITE
— BOUNDARY
NOTES:
CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN
2/18/14 AND 7/8/16.
NO NORTH CAROLINA21_OR INTERIM MAXIMUM ALLOWABLE
CONCENTRATION ESTABLISHED FOR STRONTIUM.
PROVISIONAL BACKGROUND CONCENTRATION IS 37 Ng/L.
AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,
DATED 10/18/2015.
DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA
STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011).
GRAPHIC SCALE
330 165 0 330 660
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
wwwsvnterracorp.com
DRAWN BY: B. YOUNG DATE: 08/26/2016
PROJECT MANAGER: T. PLATING
CHECKED BY: T. PLATING
FIGURE 1-42
ISOCONCENTRATION MAP
STRONTIUM IN SURFICIAL GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA

MW-11 D
MW-1,3D•
MVV-15D �.�' �%,.
• ICB-8 fillr
♦ ��
21
� y 2
MW-9D .
•�
1964ASH
BASIN ABMW-5D
MW-1 D
,\
ABMW-4D
I
MW-18D
• ♦ZZ4,
CB-1D
'
1%
BASIN
PZ-16
!ae ♦ •%
�- ♦♦ ♦%
` ♦
PZ-17S
GW-4
�• ��
s:,
e' . �♦
tl"ex r ;, ♦`
/ . MW 6D MW-3D
♦�' /0000k4.
�.
MW-4D /.— \I®
•.
♦
% MW-5D
n
'`
,♦�
AMW-2A % 40
/rM�
e
��• '♦a y i
` MVV, 22D \ MW
23DL
, .
524%
'!! it
3
synTerra
' 1
♦
� 1♦
a.• M
�a ♦ ♦ e
LEGEND
1 STRONTIUM CONCENTRATION (pg/L)
ND NOT DETECTED ABOVE REPORTING LIMIT
HIGHEST CONCENTRATION AREA CONTOUR
STANDARD CONTOUR
INTERMEDIATE CONTOUR
APPROX. PROVISIONAL BACKGROUND CONTOUR
�. Q� MONITORING WELL
O PIEZOMETER
ASH BASIN BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY
DUKE ENERGY PROGRESS ASHEVILLE PLANT SITE
--'BOUNDARY
NOTES:
CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN
2/20/14 AND 7/8/16.
NO NORTH CAROLINA 2LOR INTERIM MAXIMUM ALLOWABLE
CONCENTRATION ESTABLISHED FOR STRONTIUM.
PROVISIONAL BACKGROUND CONCENTRATION IS 41 Ng/L
AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,
DATED 10/18/2015.
DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA
STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011).
GRAPHIC SCALE
330 165 0 330 660 FIGURE 1-43
IN FEET ISOCONCENTRATION MAP
148 RIVER STREET, SUITE 220 STRONTIUM IN TRANSITION ZONE GROUNDWATER
GREENPHONE 64-421- 9 CAROLINA ASHEVILLE STEAM ELECTRIC PLANT
PHONE [phone]
WWw. n rr or om ARDEN, NORTH CAROLINA
DRAWN BY: B. YOUNG DATE: 08/26/201G
PROJECT MANAGER: T. PLATING
CHECKED BY: T. PLATING

,
to J�
01 "
MW-14BR / �
' \ CB-91BR •%
�• �• ♦CB-8BR \MW-13BR 65
• • 148 - 16 '
'• '• `MW-91BR �. • . e
MW-16BR
f
\ GW-2 ABMW-5BR 1982 - �� `•.
• 1964ASH ASH BASIN
' .
BASIN �R
• • MW-1 BR
�, M 4BR 19ABMW-11 BR
,:
MW-2BR
£�
�. MW-6BR
.- ` r•.
CB-4B / �. .�
S.
T / ,
�. �' •t _ AMW-1 B
AS-11 M` 22BR
AS-6
5� AS-4� i
AS'-14
AS 20
J '' 480 1
•,
r
':4 ni-$
AS-11
3
DW-6
nTerra
� 1■
t..
P�
lIr
LEGEND
1
R
ND
NOTES:
GRAPHIC SCALE
330 165 0 330 660 FIGURE 1-44
IN PEST ISOCONCENTRATION MAP
148 RIVER STREET, SUITE 220 STRONTIUM IN BEDROCK GROUNDWATER
GREENPHONE 64-42OUTH -9999 OLINA29601 ASHEVILLE STEAM ELECTRIC PLANT
PHONE [phone]
ARDEN, NORTH CAROLINA
DRAWN BY: B. YOUNG DATE: 08/25/2016
PROJECT MANAGER: T. PLATING
CHECKED BY: T. PLATING

;3, r
,!7,
\ MW-11
CB-9SL '
MW 15A CB-g '♦
0.
J 1
' �11f u` ♦ e
G. BMW-9S P-105 1
/P10
4
MW--8S
•` APD-7 t
DP-1
•` ' ' ABMW-2S F
y� 630:
�� ••�--�� _ 1964ASW WZ-26
BASIN NU
•\ MW-17A ABMW-5S,'
APD-1
20
;.� P=103
i GW 3 PZ-27 150 T )�
•� �� r : 50 300
1982 ASH
BASIN
t vkv P 100
` PZ-19 r
P-101 ,:
4 ..:10 's i ABMW-7S
/+ 13�6
I
7 I % MW'6S CB-2
• ` MW-20A 130 PZ-22
----- .000,
„fin,r,�I T , • �.. ..
e //
3
• 1
•
• �i r 4
r
• 1•
•
ram.Id•�.
-MW 24S /
71
s
f 7
LEGEND
1 TOTAL SULFATE CONCENTRATION (mg/L)
ND NOT DETECTED ABOVE REPORTING LIMIT
HIGHEST CONCENTRATION AREA CONTOUR
NORTH CAROLINA 2L CONTOUR
INTERMEDIATE CONTOUR
APPROX. PROVISIONAL BACKGROUND CONTOUR
a MONITORING WELL
G PIEZOMETER
WATER SUPPLY WELL
ASH BASIN BOUNDARY
-'.—_'!ASH BASIN COMPLIANCE BOUNDARY
DUKE ENERGY PROGRESS ASHEVILLE PLANT SITE
— -BOUNDARY
NOTES:
CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN
2/18/14 AND 7/8/16.
THE NORTH CAROLINA 2L FOR SULFATE IS 250 mg/L.
PROVISIONAL BACKGROUND CONCENTRATION IS 1.3 mg/L.
AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,
DATED 10/18/2015.
DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA
STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011).
Y4
f
;-
GRAPHIC SCALE
330 165 0 330 660
FIGURE 1-45
ISOCONCENTRATION MAP
'e
IN FEET
to
l
•'
•'
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
SULFATE IN SURFICIAL GROUNDWATER
�''� y
ASHEVILLE STEAM ELECTRIC PLANT
^
*, w
�',C''
� ����
PHONE[phone]
n rr or om
DRAWN BY: B. YOUNG DATE: 08/26/2016
DRAWN
ARDEN, NORTH CAROLINA
����j///�■�■/�■■�
PROJECT MANAGER: T. PLATING
CHECKED BY: T. PLATING
I

\ MW-11 D
♦ I - . r .
Iw
I
e.
If MW-13D
��,
r I CB-8'
1 ` MW-9D
280`
;,A
2
i
ABMW-4D
• sy 1982ASH
,•�� PZ-16 BASIN
•. �� PZ-17S
14
i GW-4 MW-6D ,
MW-3D
,_�-. � ��• MV1l-5D� CB-3R
%"00'
•• �%$ \ AM �2A�
:. . MW-21 D
f�' `••
MV11-22D
�
-i�: + . ,�•.'� ate-'
I
MW-4D'r--.r
�J
-vnTerra
r 7
b"
GRAPHIC SCALE
330 165 0 330 660
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
wwwsvnterracorp.com
DRAWN BY: B. YOUNG DATE: 08/25/2016
PROJECT MANAGER: T. PLATING
CHECKED BY: T. PLATING
LEGEND
1 TOTAL SULFATE CONCENTRATION (mg/L)
ND NOT DETECTED ABOVE REPORTING LIMIT
HIGHEST CONCENTRATION AREA CONTOUR
NORTH CAROLINA 2L CONTOUR
INTERMEDIATE CONTOUR
APPROX. PROVISIONAL BACKGROUND CONTOUR
sa MONITORING WELL
O PIEZOMETER
ASH BASIN BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY
DUKE ENERGY PROGRESS ASHEVILLE PLANT SITE
--'BOUNDARY
NOTES:
CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN
2/20/14 AND 7/8/16.
THE NORTH CAROLINA 2L FOR SULFATE IS 250 mg/L.
PROVISIONAL BACKGROUND CONCENTRATION IS 8.5 mg/L.
AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,
DATED 10/18/2015.
DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA
STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011).
FIGURE 1-46
ISOCONCENTRATION MAP
SULFATE IN TRANSITION ZONE GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA

e
• 4
MW-1B
90
•_ -.
� aeLL
• ,'ram• ,�.`, - 1' ��e. ♦ a5 .. f$+.�
• \ CB-9BR �f
` �• �. ,� \ MW-13BR 1.
• ■
■ •CB-8BR
• ` MW-9BR' _ t
{A `\ MW-16BR
G BR
i
• � '�� F•- - , F� � -yet
»
` : r `_l
•, \ GW-2 �•
iB MW 1BR
1964 ASH % ,
W-1 BR BASIN ABMW-56R 1982 • '' LEGEND
EGEND
300 �°V ASH w
BASIN
AS-9 •� `'a' �� 1 TOTAL SULFATE CONCENTRATION (mg/L)
ABMW-11 BR
•� ND NOT DETECTED ABOVE REPORTING LIMIT
,� •• �, Gin � . '�:
' s• 1+i ` y4y �` HIGHEST CONCENTRATION AREA CONTOUR
3 " • » > PZ-17�U k, °�' •, NORTH CAROLINA 2L CONTOUR
kc-`, �`. • s �l ^ F •` 1 I 'Y INTERMEDIATE CONTOUR
` � _ ' • ,• APPROX. PROVISIONAL BACKGROUND CONTOUR
A* -
s —
% � MW-2BR ��`�
� MONITORING WELL
MW 6BR
O PIEZOMETER
WATER SUPPLY WELL
.' } i' ,
,' MW-5BR ` -v ®,. ASH BASIN BOUNDARY
" �• �'/ a"� s —,—'!ASH BASIN COMPLIANCE BOUNDARY
r `• 4B DUKE ENERGY PROGRESS ASHEVILLE PLANT SITE
CB
• `�- `% AMW-313 e BOUNDARY
.�• NOTES:
• .� AMW-1B
Wlh;ANO
_ $.1.7._ AS-1.3' �a ._ _ , ' `• �� T ". CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN
will, 420 V r S .� 2/9/16 AND 7/12/16.
�V47
AS-11
MW,722BR AS-5
o THE NORTH CAROLINA 2L FOR SULFATE IS 250 mg/L.
" +4r:, PROVISIONAL BACKGROUND CONCENTRATION IS 4.4 mg/L.
1 .p v m•,g, {_ 2 1 AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,
it DATED 10/18/2015.
DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA
STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011).
-
r M
.; e1�+',r 15U y� -•r ' GRAPHIC SCALE
FIGURE 1-47
sso 16e o sso 66o
ISOCONCENTRATION MAP
1 } 7 w ''
IN FEET
_ 148 RIVER STREET, SUITE220 SULFATE IN BEDROCK GROUNDWATER
250 �' GREENVILLE, SOUTH CAROLINA 29601
PHONE ASHEVILLE STEAM ELECTRIC PLANT
TerraW n rr or om ARDEN, NORTH CAROLINA
DRNNN BY: PROJECT MANAGER: T. PLATING DATE: 0s�m8/25/201G
CHECKED BY: T. PLATING

�v ,} `
r,-°�'�"�'�-'fit .��4..,•�� 11:-�
V� V. YS,
�: �� "j•* _'.''#ems
A*9
'1!7.
'wo"
MW-11
kia N*W- I
,
71
13
CB-9SL
♦�..._
(CB-9
ND r
P-105
ASINS
140 . •
i MW=8S 1964 bP-1 -2
ASH i C `�♦
BASIN
r` •
ABMW 2S / GW-1
?�
\ABMWm5S ,.
`a. APD-1 PZ-260
:♦ / PZ-27 P-103 r
60 120
' CB-7
� 1982ASH
BASIN
• CB 6
840 - r P-101
260 ABMW-7S
pZ
'BMW-20A PZ 22 CB-2 12;'�.— �I
• ' : MW-6S �.
• %.—
CB_5/:ram
� � I
�a
synTerra
i
♦ MW-24S F
` 52
LEGEND
1 TOTAL DISSOLVED SOLIDS CONCENTRATION (mg/L)
ND NOT DETECTED ABOVE REPORTING LIMIT
♦
R
HIGHEST CONCENTRATION AREA CONTOUR
NORTH CAROLINA 2L CONTOUR
♦ '`
INTERMEDIATE CONTOUR
APPROX. PROVISIONAL BACKGROUND CONTOUR
a MONITORING WELL
G PIEZOMETER
WATER SUPPLY WELL
s
ASH BASIN BOUNDARY
.--'.—_'!ASH BASIN COMPLIANCE BOUNDARY
DUKE ENERGY PROGRESS ASHEVILLE PLANT SITE
— BOUNDARY
NOTES:
CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN
2/18/14 AND 7/8/16.
THE NORTH CAROLINA 2L FOR TOTAL DISSOLVED SOLIDS IS 500 mg/L.
PROVISIONAL BACKGROUND CONCENTRATION IS 275 mg/L.
AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,
DATED 10/18/2015.
DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA
STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011).
GRAPHIC SCALE
330 165 0 330 660
1148 RIVER STREET, SUITE 220 I
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
DRAWN BY: B. YOUNG DATE: 08/26/2016
PROJECT MANAGER: T. PLATING
CHECKED BY: T. PLATING
FIGURE 1-48
ISOCONCENTRATION MAP
TOTAL DISSOLVED SOLIDS IN SURFICIAL
GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA

1
f
I a �I
MW-15D CB-8
; MW-13D Al
ft"TOR
` ,11` . MW-9D
1 �ABMW-51D ♦.
1964ASH i l ,,- MW-1 D
♦ BASIN o, 37 �t
MW-18D ABMW-4D
240 '
1982ASH CB-1D
PZ-17S PZ-16 BASIN
�, y, as MW-4D-��.�
GW_4
e? . �♦ MIN-6D GW"5
.eg '
ow
MW-5D
CB-3R
MVV-22D MV
r �
MW-21D100
/ .� �.
rIt F'�„
'!! it
a !'.9j��x3
n�
1r �
�a
synTerra
GRAPHIC SCALE
330 165 0 330 660
1148 RIVER STREET, SUITE 220 I
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
DRAWN BY: B. YOUNG DATE: 08/25/2016
PROJECT MANAGER: T. PLATING
CHECKED BY: T. PLATING
LEGEND
1 TOTAL DISSOLVED SOLIDS CONCENTRATION (mg/L)
ND NOT DETECTED ABOVE REPORTING LIMIT
HIGHEST CONCENTRATION AREA CONTOUR
NORTH CAROLINA 2L CONTOUR
INTERMEDIATE CONTOUR
APPROX. PROVISIONAL BACKGROUND CONTOUR
sa MONITORING WELL
O PIEZOMETER
ASH BASIN BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY
DUKE ENERGY PROGRESS ASHEVILLE PLANT SITE
--'BOUNDARY
NOTES:
CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN
2/20/14 AND 7/8/16.
THE NORTH CAROLINA 2L FOR TOTAL DISSOLVED SOLIDS IS 500 mg/L.
PROVISIONAL BACKGROUND CONCENTRATION IS 196 mg/L.
AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,
DATED 10/18/2015.
DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA
STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011).
FIGURE 1-49
ISOCONCENTRATION MAP
TOTAL DISSOLVED SOLIDS IN TRANSITION ZONE
GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA

S+
'I J
MW-13BR , ........
\CB-9BR ♦•.
J* 67 ♦ r
1 .
)_ • ; m� \ MW-9BR _ � �. • . r Ir
MW-16BR ` .♦
•• __N GW-1 BR '.
1982
• \ GW-2 ASH BASIN
•` ; 1964 ASH '♦ ,
BASIN ABMW-5BR.
4 1 �. 1 180 MW-1 BR /
MW-18BR 5,3
♦ ABMW-11 BR
•
MW-6BR MW-2BR ��`�
• .
-�
t"
' CB-4B MW-5BR • ��
:. AMW 1 B� , . AM
/W 3B, '
_1� 2
AS-13
MW-22BR ` AS-5
i :;Yy�;AS-17 AS-4
AS-15 °
•
' elt,
7 AS 6 /
AS-14
AS-20 / GRAPHIC SCALE
•w. DW-6 330 165 0 330 660
�A
��L- IN FEET
STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
-. - �/ ■M■ P■Y PHONE [phone]
---� � ■�` ■ RO ECT MANAGER: T PLATING DATE: 08/25/2016
CHECKED BY: T. PLATING
- PADuke Energy Progress, 1026\00 GIB BASE DATA\Asheville\I
LEGEND
1 TOTAL DISSOLVED SOLIDS CONCENTRATION (mg/L)
ND NOT DETECTED ABOVE REPORTING LIMIT
HIGHEST CONCENTRATION AREA CONTOUR
NORTH CAROLINA 2L CONTOUR
INTERMEDIATE CONTOUR
APPROX. PROVISIONAL BACKGROUND CONTOUR
MONITORING WELL
G PIEZOMETER
WATER SUPPLY WELL
ASH BASIN BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY
DUKE ENERGY PROGRESS ASHEVILLE PLANT SITE
- -BOUNDARY
NOTES:
CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN
2/9/16 AND 7/12/16.
THE NORTH CAROLINA 2L FOR TOTAL DISSOLVED SOLIDS IS 500 mg/L.
PROVISIONAL BACKGROUND CONCENTRATION IS 151 mg/L.
AERIAL PHOTOGRAPH OBTAINED FROM GOOGLE EARTH PRO,
DATED 10/18/2015.
DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA
STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011).
FIGURE 1-50
ISOCONCENTRATION MAP
TOTAL DISSOLVED SOLIDS IN BEDROCK
GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA

t -q0,17� �hw
\ MW-11
CB-9SL _
y'
0:501Al
`' ` ♦` .� P-105 1
mwcgs
a a ND `
• �` ¢
MW-16A ND
♦ ` \ MW-8S 2 Fa
N® 3.12
1
- �• `MVN 24S
a'
\ABMW-2S GW-1
MW-17A
a .f.JVW -
°ABMW-5S . a
1964 ASH' _ PZ-26--
` BASIN Ot
\ C13-7 GW-3 '
. ♦ a
1982ASH C13-1 °
1% BASIN \
` % C13-6 PZ 19 P-100
`
��` ♦ P-101 PZ-23
�• / ABMW-7S
*e� ♦. �. MW-6S' .�� ♦♦
x •1•'� ` BMW-20A �PZ-22 Cg_2`/♦ ��•\.�
� . _ , ,. PZ-24 e
., CB-4
000-
•� P
l y Syr k y ¢
V-4.
�.!.r`',� F"J �' e♦►�'. a 7e3
�nTerra
LEGEND
1
Q
a
a
NOTES:
330 165 0RAPHICSC330E 660 FIGURE 1-51
N FEET ISOCONCENTRATION MAP
148 RIVER STREET, SUITE 220 VANADIUM IN SURFICIAL GROUNDWATER
GREENPHONE 64-42OUTH -9999 OLINA296o1 ASHEVILLE STEAM ELECTRIC PLANT
PHONE [phone]
WWW s n erracor com ARDEN, NORTH CAROLINA
DRAWN BY. B. YOUNG DATE: 08/26/2016
PROJECT MANAGER: T. PLATING
CHECKED BY: T. PLATING

T
.F
,\ MW-11 D
•----------
-.
MV11-15D y \ ,"
0.639 • • ; MW-13D
• " ° 4* MW-12D 1
CB-8
MW-9D
°
1964ASH
BASIN ABMW-5D
•
• t
t_ ,. ,•� ABMW-4D
�• � M NDBD 0.603
r _ _
�" • 1982 ASH
1%BASIN
'�`1 `'� H • • ND / 1.29
1 • 4/
- ... .
��
%
'♦ GW 4 MW-6D
tNi
` e ND
ND
r3
• �� 'o' rmW
%71
AM
e: �+ ., ^r Sri �1^ v, h ,,��, T • MW-21D
Ilk
MW`22D MW-23DL /
' q fY�� 4i.-#may �'.�rYr�-•�'TM+ 'ti`��r P � ��q �.,(.�YIi1��JF ��,'�,�-� _�• ;/ '` -
j� i �Mt q✓`rt�� �+
'!!7.
' -.
L t - Ri 1
♦ '.YJULIAN
GW 1 D
MW-1 D -
.
C13-1D
ND
GRAPHIC SCALE
330 165 0 330
IN FEET
,.
r�
660
01
ATE: 08/25/2016
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 296
PHONE [phone]
www.s n erracor .com
DRAWN BY: B. YOUNG D
PROJECT MANAGER: T. PLATING
CHECKED BY: T. PLATING
LEGEND
1
ND
e
NOTES:
FIGURE 1-52
ISOCONCENTRATION MAP
VANADIUM IN TRANSITION ZONE GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA

\ MW-14BR #
i
r ' , � . � ... � `' ` - ' ' '� - '�'. Vie; ♦ a5 .. f $ e�
\ MW-13BR • ; "" _
• • I 1
i �CNDR
•• •• MW-9$R • ♦ sue. _ - _ �. .• e
`\ MW-16BR ` ND' '
•
• • a� Fa
♦ 1•
t..
�a ♦ ♦ e
P
1982
GW-2 ASH BASIN
. r
1
0.581 1964ASH •�
BASIN 1 ABMW-5BR
,
MW-1 BR �
MW-1813R ABMW-11 BR '
Il. >tT't H ♦ .% i ii �� •♦�
'.. V
ar.,.. MW-21BR 1
s: • ` 1
' e'' � '� MW-6BR � ••
e
•
MW-513R
.41
- ` CB 4B
AMW-1 B% r ', AMW-313No
e
lool
AS-11 MW-22BR p
AS-1 5 AS-4 AS-6
VAN
�4k
AS-20
AS-14
n
DW-6
�-f
-ynTerra
LEGEND
1
►
,
NOTES:
GRAPHIC SCALE
330 165 0 330 660
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
W W W.SVnt"'aCorp.CO m
DRAWN BY: B. YOUNG DATE: 08/25/2016
PROJECT MANAGER: T. PLATING
CHECKED BY: T. PLATING
FIGURE 1-53
ISOCONCENTRATION MAP
VANADIUM IN BEDROCK GROUNDWATER
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA

Cross Section A -A'
A A'
(NORTH) (SOUTH)
DUKE ENERGY ASHEVILLE PLANT BOUNDARY
GEOLOGIC DATA IS INFERRED FROM MONITORING WELL TO PRIVATE WELL AS-14
COMPLIANCE BOUNDARY
00
_00
♦���♦
■e i� ® ® ..�:.:
yam=
ii■ is i���
FRENCH BROAD
♦�
LEGEND
NOTES:
A ,..�
„
L�
0
v
' ♦
3
� III
17%
FIGURE 1-54
A
CONCEPTUAL CROSS-SECTION A -A'
ARSENIC ISOCONCENTRATIONS
p►'
I
J
B.B.Y01NG
ASHEVILLE STEAM ELECTRIC PLANT
msynTerra
[RAWNY
ATEDRDAWN 8/29/2016
ARDEN, NORTH CAROLINA

Cross Section A -A'
21
21
A A'
(NORTH) (SOUTH)
m
DUKE ENERGY ASHEVILLE PLANT BOUNDARY
COMPLIANCE BOUNDARY
N
7 ❑D _— --
974
GEOLOGIC DATA IS INFERRED FROM MONITORING WELL TO PRIVATE WELL AS-14
FRENCH BROAD RIVER
2034' MSL.�
-- ---- ---- ---- ---- ---- --- — WATER LEVELS AT AS-11 AND AS-14 WERE -- _
_ —_ — -- MEASURED ON 5/9/16 AND 5/11/16, RESPECTIVELY. — — --
THESE WATER LEVELS REPRESENT A COMPOSITE OF — — --
HYDRAULIC HEADS FROM MULTIPLE FRACTURES — — --
WITHIN EACH WELL. STATIC CONDITIONS ARE NOT _ --
ASSUMED AS PUMPING AT EACH WELL IS ROUTINE. _ _ _-
�. LEGEND NOTES:
� r ASH SURFACE CASING . SURFICIAL WATER LEVEL �` ♦ NCDEQID VERTICAL EXAGGERATION SET AT 5:1.
AS-14
+ . CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN
REGOLITH ® WELL SCREEN . TRANSITION WATER LEVEL MONITORING WELL 2/18/14 AND 7/12/16.
SAPROLITE GENERALIZED FRACTURE ZONE BEDROCK WATER LEVEL BORON ISOCONCENTRATIONS DERIVED FROM FIGURES 1-18, 1-19, 1-20.
�'� -- I ♦
�♦ , �„�:. ® 99 CONCENTRATION (Ug/L)
THE NORTH CAROLINA 2L FOR BORON IS 700 Ng/L.
♦ • TRANSITION ZONE ij� WELL- SELECTED FOR CROSS-SECTION 2000 MSL. WATER LEVEL ELEVATION �D DRY
s , DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA
♦ • STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011).
♦ ^ ''f 1 i '♦ COMPETENT ROCK / BEDROCK — — - CROSS-SECTION GENERALIZED
• , ° . 1 GROUNDWATER
FLOW DIRECTION
♦ ,'�. �✓ ♦�� FILL GENERALIZED WATER LEVEL - SURFICIAL FIGURE 1-55
4, PROJECTED LAND SURFACE CONCEPTUAL CROSS-SECTION A -A'
<' BORON ISOCONCENTRATIONS
A, GROUNDWATER CONCENTRATION AREA 375 187.5 0 375 750 ASHEVILLE STEAM ELECTRIC PLANT
DRAWN BY: B. YOUNG
CONTOUR INTERVAL (ug/L) ynTerra HEOKEDBY
S:T.PLATING ARDEN, NORTH CAROLINA
IIN FEFTI 7' ' DATE DRAWN: 8/29/2016
2034' MSL.'
339
CONSTITUENT CONCENTRATIONS WEST OF FRENCH -
BROAD RIVER CANNOT BE CONTOURED DUE TO -
OPEN BOREHOLE WELL CONSTRUCTION. -
50
00

Cross Section A -A'
21
21
A A'
(NORTH) (SOUTH)
DUKE ENERGY ASHEVILLE PLANT BOUNDARY
COMPLIANCE BOUNDARY
E
111I 1 1 ; i iTBJ
--------- ----------
GEOLOGIC DATA IS INFERRED FROM MONITORING WELL TO PRIVATE WELL AS-14
FRENCH BROAD RIVER
2034' MSL.'
r_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _-
WATER LEVELS AT AS-11 AND AS-14 WERE _ = --
MEASURED ON 5/9/16 AND 5/11/16, RESPECTIVELY.
THESE WATER LEVELS REPRESENT A COMPOSITE OF - = _--
HYDRAULIC HEADS FROM MULTIPLE FRACTURES - = _--
_ WITHIN EACH WELL. STATIC CONDITIONS ARE NOT - = _--
ASSUMED AS PUMPING AT EACH WELL IS ROUTINE. -
LEGEND
• ` \ A ,'� r - ASH SURFACE CASING
` REGOLITH Ell] WELLSCREEN
®\ '
r' I SAPROLITE GENERALIZED FRACTURE ZONE
TRANSITION ZONE ij� WELL - SELECTED FOR CROSS-SECTION
R.
COMPETENT ROCK /BEDROCK — - CROSS-SECTION
© FILL
� GENERALIZED WATER LEVEL - SURFICIAL
..
+ i a a PROJECTED LAND SURFACE
AWWWWRINFIRI, "um.
GROUNDWATER CONCENTRATION AREA
m CONTOUR INTERVAL (mg/L)
- SURFICIAL WATER LEVEL
AS-14
NCDEQ ID
. TRANSITION WATER LEVEL
CB_8
MONITORING WELL
BEDROCK WATER LEVEL
gg
CONCENTRATION (mg/L)
2000 MSL. WATER LEVEL ELEVATION
�D
DRY
GENERALIZED GROUNDWATER
FLOW DIRECTION
375 187.5 0 375 750 141/
DRAWN BY: B. YOUNG
S)/tlTerra HECKED BY: T. PLATING
IIN FFFTI DATE DRAWN: 8/29/2016
2034' MSL.
NOTES:
VERTICAL EXAGGERATION SET AT 5:1.
CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN
2/18/14 AND 7/12/16.
CHLORIDE ISOCONCENTRATIONS DERIVED FROM FIGURES 1-21, 1-22,
1-23.
THE NORTH CAROLINA 2L FOR CHLORIDE IS 250 mg/L.
DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA
STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011).
FIGURE 1-56
CONCEPTUAL CROSS-SECTION A -A'
CHLORIDE ISOCONCENTRATIONS
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA
50

Cross Section A -A'
21
21
A A'
(NORTH) (SOUTH)
DUKE ENERGY ASHEVILLE PLANT BOUNDARY
COMPLIANCE BOUNDARY
GEOLOGIC DATA IS INFERRED FROM MONITORING WELL TO PRIVATE WELL AS-14
FRENCH BROAD RIVER
2034' MSL.'
------------------------
0.03
WATER LEVELS AT AS-11 AND AS-14 WERE _ = --
MEASURED ON 5/9/16 AND 5/11/16, RESPECTIVELY.
THESE WATER LEVELS REPRESENT A COMPOSITE OF - = _--
__- HYDRAULIC HEADS FROM MULTIPLE FRACTURES - = _--
_ WITHIN EACH WELL. STATIC CONDITIONS ARE NOT - = _--
= ASSUMED AS PUMPING AT EACH WELL IS ROUTINE. -
2034' MSL.
<0.03 =
LEGEND
L y NOTES:
VERTICAL EXAGGERATION SET AT 5:1.
r - - ASH SURFACE CASING - SURFICIAL WATER LEVEL
d A ♦ � AS-14 NCDEO ID CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN 2/18/14
n� ♦♦ `� .. AND 7/12/16.
REGOLITH WELL SCREEN WITH . TRANSITION WATER LEVEL
Ell]CB-8 MONITORING WELL CHROMIUM (VI) ISOCONCENTRATIONS DERIVED FROM FIGURES 1-24, 1-25,
1-26.
SAPROLITE ® GENERALIZED FRACTURE ZONE BEDROCK WATER LEVEL
'J 99 CONCENTRATION (ug/L) THE NORTH CAROLINA DEPARTMENT OF HEALTH AND HUMAN SERVICES
HEALTH SCREENING LEVEL FOR CHROMIUM (VI) IS 0.07 Ng/L. NC DHHS
♦ TRANSITION ZONE ij� WELL- SELECTED FOR CROSS-SECTION 2000 MSL. WATER LEVEL ELEVATION �D DRY MEMORANDUM, NOVEMBER 4, 2015.
S DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE
R r ♦ ® PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011).
COMPETENT ROCK / BEDROCK — - CROSS-SECTION GENERALIZED GROUNDWATER
FLOW DIRECTION
© FILL GENERALIZED WATER LEVEL - SURFICIAL
%': FIGURE 1-57
PROJECTED LAND SURFACE CONCEPTUAL CROSS-SECTION A -A'
CHROMIUM (VI) ISOCONCENTRATIONS
A, GROUNDWATER CONCENTRATION AREA 375 187.5 0 375 750 `� ASHEVILLE STEAM ELECTRIC PLANT
c-y 'Nr ,M; DRAWN BY: B. YOUNG
Ip. m CONTOUR INTERVAL (u9/L) SynTerra HECKEDBY:T.PLATING ARDEN, NORTH CAROLINA
II N FFFTI DATE DRAWN: 8/29/2016
50

Cross Section A -A'
A A'
(NORTH) (SOUTH)
DUKE ENERGY ASHEVILLE PLANT BOUNDARY
COMPLIANCE BOUNDARY
ii■ ji, `��\�
GEOLOGIC DATA IS INFERRED FROM MONITORING WELL TO PRIVATE WELL AS-14
FRENCH BROAD RIVER �� F
♦�
LEGEND
NOTES:
A ,..�
„
L�
0
v
•
' ♦
3
� III
17%
FIGURE 1-58
CONCEPTUAL CROSS-SECTION A -A'
CHROMIUM (TOTAL) ISOCONCENTRATIONS
p►'
I
ASHEVILLE STEAM ELECTRIC PLANT
m
[RAWNBY.B.Ya�NG
SynTerraAT DR°WN 8;Z9;Zoi6
ARDEN, NORTH CAROLINA

Cross Section A -A'
A A'
(NORTH) (SOUTH)
DUKE ENERGY ASHEVILLE PLANT BOUNDARY
COMPLIANCE BOUNDARY
N
MW-18BRL
GEOLOGIC DATA IS INFERRED FROM MONITORING WELL TO PRIVATE WELL AS-14
FRENCH BROAD RIVER �� F
♦�
LEGEND
NOTES:
A ,..�
„
L�
0
v
•
' ♦
3
� III
17%
FIGURE 1-59
CONCEPTUAL CROSS-SECTION A -A'
COBALT ISOCONCENTRATIONS
p►'
I
J
BY. B.YOUNG
ASHEVILLE STEAM ELECTRIC PLANT
m
[ATERAWN
S)/t1T2Crd HECKEDRDB :T. PLATING AWN:8/29/2016
ARDEN, NORTH CAROLINA

Cross Section A -A'
A A'
(NORTH) (SOUTH)
DUKE ENERGY ASHEVILLE PLANT BOUNDARY
COMPLIANCE BOUNDARY
GEOLOGIC DATA IS INFERRED FROM MONITORING WELL TO PRIVATE WELL AS-14
FRENCH BROAD RIVER �� F
" i .
■
♦�
LEGEND
NOTES:
A ,..�
„
L�
0
v
•
' ♦
3
� III
17%
FIGURE 1-60
A
CONCEPTUAL CROSS-SECTION A -A'
IRON ISOCONCENTRATIONS
p►'
I
J
.B.YGUNG
ASHEVILLE STEAM ELECTRIC PLANT
mSynTerra
[RAWN'
lECKE°WN .PLATING
ATE
ARDEN, NORTH CAROLINA

Cross Section A -A'
A A'
(NORTH) (SOUTH)
DUKE ENERGY ASHEVILLE PLANT BOUNDARY
GEOLOGIC DATA IS INFERRED FROM MONITORING WELL TO PRIVATE WELL AS-14
COMPLIANCE BOUNDARY
CB-8D, BR CB-8 MW-9S, D, BR MW-8S, BR
S.T1'
❑ ❑ ,, ❑
04 N MW-18BRL MW-18D, BR
- - - -
FRENCH BROAD RIVER
: LEGEND NOTES:
;;; •�
r • ❑
.►, I� ❑ v ❑
' , - ❑ ® ❑
i' •� = FIGURE 1-61
CONCEPTUAL CROSS-SECTION A -A'
MANGANESE ISOCONCENTRATIONS
p►' ;A ❑J [HECKED
RAWNBY:B.YOUNG ASHEVILLE STEAM ELECTRIC PLANT
m S)/tlTerraBY:T.PLATING ARDEN, NORTH CAROLINA
ATE DRAWN: 8/29/201G

Cross Section A -A'
A A'
(NORTH) (SOUTH)
DUKE ENERGY ASHEVILLE PLANT BOUNDARY
GEOLOGIC DATA IS INFERRED FROM MONITORING WELL TO PRIVATE WELL AS-14
COMPLIANCE BOUNDARY
u
:�■ �'•�
®�
�\00
LEGEND
NOTES:
•
' ♦
3
� III
17%
FIGURE 1-62
A
CONCEPTUAL CROSS-SECTION A -A'
SELENIUM ISOCONCENTRATIONS
p►'
I
J
.B.YGUNG
ASHEVILLE STEAM ELECTRIC PLANT
mSynTerra
[RAWN'
lECKE°WN .PLATING
ATE
ARDEN, NORTH CAROLINA

Cross Section A -A'
21
21
A A'
(NORTH) (SOUTH)
DUKE ENERGY ASHEVILLE PLANT BOUNDARY
COMPLIANCE BOUNDARY
r��i� IIi_i.Z•] 11 �
1000
i i�•�
2000
a..
GEOLOGIC DATA IS INFERRED FROM MONITORING WELL TO PRIVATE WELL AS-14
FRENCH BROAD RIVER
2034' MSL.'
---------------------
350
WATER LEVELS AT AS-11 AND AS-14 WERE
MEASURED ON 5/9/16 AND 5/11/16, RESPECTIVELY.
THESE WATER LEVELS REPRESENT A COMPOSITE OF - = _--
HYDRAULIC HEADS FROM MULTIPLE FRACTURES - = _--
_ WITHIN EACH WELL. STATIC CONDITIONS ARE NOT - = _--
ASSUMED AS PUMPING AT EACH WELL IS ROUTINE. -
LEGEND
• ` \ A ,'•'�
'� r -
ASH
SURFACE CASING
`
®\ '
REGOLITH
Ell] WELLSCREEN
r'
I ...
-...:::.,,
SAPROLITE
GENERALIZED FRACTURE ZONE
�♦ ' �
1
fir.`
TRANSITION ZONE
ij� WELL - SELECTED FOR CROSS-SECTION
R.
COMPETENT ROCK /BEDROCK
— - CROSS-SECTION
© FILL
GENERALIZED WATER LEVEL - SURFICIAL
a
PROJECTED LAND SURFACE
GROUNDWATER CONCENTRATION AREA
_ I m CONTOUR INTERVAL (ug/L)
- SURFICIAL WATER LEVEL
AS-14
NCDEQ ID
. TRANSITION WATER LEVEL
CB_8
MONITORING WELL
BEDROCK WATER LEVEL
gg
CONCENTRATION (Ug/L)
2000 MSL. WATER LEVEL ELEVATION
�D
DRY
GENERALIZED GROUNDWATER
FLOW DIRECTION
375 187.5 0 375 750 141/
DRAWN BY: B. YOUNG
S)/tlTerra HECKED BY: T. PLATING
IIN FFFTI DATE DRAWN: 8/29/2016
2034' MSL.
ICE
NOTES:
VERTICAL EXAGGERATION SET AT 5:1
CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN 2/18/14
AND 7/12/16.
STRONTIUM ISOCONCENTRATIONS DERIVED FROM FIGURES 1-42, 1-43, 1-
44.
NO NORTH CAROLINA 2LOR INTERIM MAXIMUM ALLOWABLE
CONCENTRATION ESTABLISHED FOR STRONTIUM.
DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA
STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011).
FIGURE 1-63
CONCEPTUAL CROSS-SECTION A -A'
STRONTIUM ISOCONCENTRATIONS
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA
50

Cross Section A -A'
21
A A'
(NORTH) (SOUTH)
DUKE ENERGY ASHEVILLE PLANT BOUNDARY
COMPLIANCE BOUNDARY
��iI ���!
MW-18B
_= 26
GEOLOGIC DATA IS INFERRED FROM MONITORING WELL TO PRIVATE WELL AS-14
FRENCH BROAD RIVER
290 EM
60
2034' MSL.'
- WATER LEVELS AT AS-11 AND AS-14 WERE -
MEASURED ON 5/9/16 AND 5/11/16, RESPECTIVELY.
THESE WATER LEVELS REPRESENT A COMPOSITE OF - = _--
HYDRAULIC HEADS FROM MULTIPLE FRACTURES - = _--
_ WITHIN EACH WELL. STATIC CONDITIONS ARE NOT - = _--
ASSUMED AS PUMPING AT EACH WELL IS ROUTINE. -
LEGEND
• ` \ A ,'•'� '� r - ASH SURFACE CASING
` REGOLITH Ell] WELLSCREEN
®\ '
r' I SAPROLITE GENERALIZED FRACTURE ZONE
TRANSITION ZONE ij� WELL - SELECTED FOR CROSS-SECTION
R.
COMPETENT ROCK /BEDROCK — - CROSS-SECTION
© FILL
� GENERALIZED WATER LEVEL - SURFICIAL
..
i a a PROJECTED LAND SURFACE
GROUNDWATER CONCENTRATION AREA
m CONTOUR INTERVAL (mg/L)
- SURFICIAL WATER LEVEL
AS-14
NCDEQ ID
. TRANSITION WATER LEVEL
CB_8
MONITORING WELL
BEDROCK WATER LEVEL
gg
CONCENTRATION (mg/L)
2000 MSL. WATER LEVEL ELEVATION
�D
DRY
2034' MSL.
--
CONSTITUENT CONCENTRATIONS WEST OF FRENCH
BROAD RIVER CANNOT BE CONTOURED DUE TO -
OPEN BOREHOLE WELL CONSTRUCTION. -
GENERALIZED GROUNDWATER
FLOW DIRECTION
375 187.5 0 375 750 141/
DRAWN BY: B. YOUNG
S)/tlTerra HECKED BY: T. PLATING
IIN FFFTI DATE DRAWN: 8/29/2016
NOTES:
VERTICAL EXAGGERATION SET AT 5:1.
CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN
2/18/14 AND 7/12/16.
SULFATE ISOCONCENTRATIONS DERIVED FROM FIGURES 1-45, 1-46, 1-
47.
THE NORTH CAROLINA 2L FOR SULFATE IS 250 mg/L.
DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA
STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011).
FIGURE 1-64
CONCEPTUAL CROSS-SECTION A -A'
SULFATE ISOCONCENTRATIONS
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA
50

Cross Section A -A'
21
21
A A'
(NORTH) (SOUTH)
DUKE ENERGY ASHEVILLE PLANT BOUNDARY
COMPLIANCE BOUNDARY
1400
— — _ 560 890 � � � 13 00
_ = N MW-186
== 18 = == a ==
GEOLOGIC DATA IS INFERRED FROM MONITORING WELL TO PRIVATE WELL AS-14
FRENCH BROAD RIVER
2034' MSL.'
WATER LEVELS AT AS-11 AND AS-14 WERE
MEASURED ON 5/9/16 AND 5/11/16, RESPECTIVELY.
THESE WATER LEVELS REPRESENT A COMPOSITE OF - = _--
HYDRAULIC HEADS FROM MULTIPLE FRACTURES = = _--
_ WITHIN EACH WELL. STATIC CONDITIONS ARE NOT - = _--
ASSUMED AS PUMPING AT EACH WELL IS ROUTINE. —
LEGEND
• ` \ A ,'•'�
'� r -
ASH
SURFACE CASING
`
®\ '
REGOLITH
Ell] WELLSCREEN
r'
I �c
SAPROLITE
GENERALIZED FRACTURE ZONE
TRANSITION ZONE
ij� WELL - SELECTED FOR CROSS-SECTION
R.
COMPETENT ROCK /BEDROCK
— - CROSS-SECTION
© FILL
GENERALIZED WATER LEVEL - SURFICIAL
a
PROJECTED LAND SURFACE
GROUNDWATER CONCENTRATION AREA
m CONTOUR INTERVAL (mg/L)
- SURFICIAL WATER LEVEL
AS-14
NCDEQ ID
. TRANSITION WATER LEVEL
CB_8
MONITORING WELL
BEDROCK WATER LEVEL
gg
CONCENTRATION (mg/L)
2000 MSL. WATER LEVEL ELEVATION
�D
DRY
375 187.5 0 375 750
2034' MSL.
CONSTITUENT CONCENTRATIONS WEST OF FRENCH
BROAD RIVER CANNOT BE CONTOURED DUE TO =
OPEN BOREHOLE WELL CONSTRUCTION. _
GENERALIZED GROUNDWATER
FLOW DIRECTION
NOTES:
VERTICAL EXAGGERATION SET AT 5:1.
CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN
2/18/14 AND 7/12/16.
TOTAL DISSOLVED SOLIDS ISOCONCENTRATIONS DERIVED FROM
FIGURES 1-48, 1-49, 1-50.
THE NORTH CAROLINA 2L FOR TOTAL DISSOLVED SOLIDS IS 500 mg/L.
DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA
STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011).
FIGURE 1-65
CONCEPTUAL CROSS-SECTION A -A'
[RAWNEBY�yB:.TY.0UNG:TOTAL DISSOLVED SOLIDS ISOCONCENTRATIONS
�\/,67ASHEVILLE STEAM ELECTRIC PLANT
HE
"j"�erl� EDRDAWN:8/29/2 PLATING ARDEN, NORTH CAROLINA
50

Cross Section A -A'
A A'
(NORTH) (SOUTH)
DUKE ENERGY ASHEVILLE PLANT BOUNDARY
COMPLIANCE BOUNDARY
GEOLOGIC DATA IS INFERRED FROM MONITORING WELL TO PRIVATE WELL AS-14
®�
BROAD00
FRENCH
:.,
♦:
LEGEND
NOTES:
A
-
L�
0
v
� III
17%
FIGURE 1-66
A
CONCEPTUAL CROSS-SECTION A -A'
VANADIUM ISOCONCENTRATIONS
p►'
I
J
DRAWN BY: B.YOUNG
ASHEVILLE STEAM ELECTRIC PLANT
m
j synTerra pAT°oR°WN 8;29;2oi6
ARDEN, NORTH CAROLINA

Cross Section B-B'
B B'
(SOUTHWEST) (NORTHEAST)
GEOLOGIC DATA IS INFERRED FROM
MONITORING WELL TO PRIVATE WELL AS-14
COMPLIANCE BOUNDARY
III WASTE BOUNDARY
LAKE
JULIAN
2,160' msl.
_ ■� I;': ���_ •�rt���iiiiiii - ■�ii ■����
0 �.40
■ ���f�������������or
Trti/ ,�,`ii
�go Ow i
r
- ���O� :r
FRENCH • -� l'im i
RIVER
r� Elm
ONCE
LEGEND
El
4
d
- �• �"
FIGURE 1-67
•
f
99
CONCEPTUAL CROSS-SECTION
ARSENIC ISOCONCENTRATIONS
ASHEVILLE STEAM ELECTRIC PLANT
DRAWN BY: B. YOUNG
•. CHECKED BY: T. PLATING • ■ NORTH • •
•..

Cross Section B-B'
21
21
B Bw
(SOUTHWEST) (NORTHEAST)
GEOLOGIC DATA IS INFERRED FROM
MONITORING WELL TO PRIVATE WELL AS-14
COMPLIANCE BOUNDARY
MW-7, S, B
WASTE BOUNDARY
LAKE
JULIAN
2,160' msl.
APZ-30 icy <50
760 639
W I MW-21D — ---- ---- ---- ---- ---- _ --
FRENCH Lu D
RIVER — i�— — — — -- -- — — — — -- — — — -- — — — -- -- — — — — — --
2034'MSL.* m 378 _ =—®_-
360
5
393
---------------
339 _____ ____ ____ ________ ____ ____ ____ ____ ____ ____ ____ ____ __ WATER LEVELS AT AS-14 WERE MEASURED ON -
5/11/16. THESE WATER LEVELS REPRESENT A —
COMPOSITE OF HYDRAULIC HEADS FROM MULTIPLE —
-- —= = CONSTITUENT CONCENTRATIONS WEST OF — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — = FRACTURES WITHIN EACH WELL. STATIC CONDITIONS —
— — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
=- _ FRENCH BROAD RIVER CANNOT BE CONTOURED ====================================== = ARE NOT ASSUMED AS PUMPING AT EACH WELL IS —
DUE TO OPEN BOREHOLE WELL CONSTRUCTION. — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — _ ROUTINE. —
LEGEND
v L ♦ y NOTES:
41,
1 " ~ I ASH WELL - SELECTED FOR CROSS-SECTION
F I � " Q NCDEQ ID VERTICAL EXAGGERATION SET AT 5:1.
` , AS 14
13' REGOLITH -- CROSS-SECTION CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN
CB-8 MONITORING WELL 2/18/14 AND 7/12/16.
re "' •` , i ��, - O SAPROLITE GENERALIZED WATERLEVEL- SURFICIAL ❑
CONCENTRATION (ug/L) BORON ISOCONCENTRATIONS DERIVED FROM FIGURES 1-18, 1-19, 1-20.
+ ��� ► "_ - �, TRANSITION ZONE . SURFICIAL WATER LEVEL 0DRY THE NORTH CAROLINA 2L FOR BORON IS 700 Ng/L.
` I® ` % , DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA
�, S . �% COMPETENT ROCK I BEDROCK . TRANSITION WATER LEVEL mm=I GENERALIZED GROUNDWATER STATE PLANE COORDINATE SYSTEM RIPS 3200 (NAD83/2011).
j ♦ .% FLOW DIRECTION
SURFACE CASING
s S BEDROCK WATER LEVEL
ZOOO MSL. WATER LEVEL ELEVATION
%♦�♦; WELL SCREEN CONTOUR INTERVAL (Ng/L) FIGURE 1-68
'm'
GENERALIZED FRACTURE ZONE CONCEPTUAL CROSS-SECTION B-B'
B �~ BORON ISOCONCENTRATIONS
GROUNDWATER CONCENTRATION AREA
_ .. L DRAWN BY:B.YGUNG ASH ARD STEAM ELECTRIC PLANT
350 175 0 350 700 EVILLE
er� HECKEDBY:T.PLATING EN, NORTH CAROLINA
(IN FFFTI "7' ' DATE DRAWN: 8/25/2016
50

Cross Section B-B'
21
21
B B+
(SOUTHWEST) (NORTHEAST)
GEOLOGIC DATA IS INFERRED FROM
MONITORING WELL TO PRIVATE WELL AS-14
COMPLIANCE BOUNDARY
MW-7, S, B
WASTE BOUNDARY
LAKE
JULIAN
2,160' msl.
J APZ-30 I S
6.7 10 1.5====—
J
==-
2034'MSL.` FRENCH BROAD m
_ RIVER__-
9 _6.6
9.8
WATER LEVELS AT AS-14 WERE MEASURED ON -
— — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
_____ 5/11/16. THESE WATER LEVELS REPRESENT A —
COMPOSITE OF HYDRAULIC HEADS FROM MULTIPLE —
— — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
FRACTURES WITHIN EACH WELL. STATIC CONDITIONS —
=—�====================================================== = ARE NOT ASSUMED AS PUMPING AT EACH WELL IS —_
ROUTINE. —
- LEGEND
+ ♦ y NOTES:
ASH WELL - SELECTED FOR CROSS-SECTION
NCDEQ ID VERTICAL EXAGGERATION SET AT 5:1.
+
REGOLITH CROSS-SECTION CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN
1 *ft--
CB$
^• B, . � O MONITORING WELL 2/18/14 AND 7/12/16.
SAPROLITE GENERALIZED WATER LEVEL- SURFICIAL CHLORIDE ISOCONCENTRATIONS DERIVED FROM FIGURES 1-21, 1-22,
r y ✓ 99 CONCENTRATION (mg/L) 1-23.
1 ��+ TRANSITION ZONE SURFICIAL WATER LEVEL THE NORTH CAROLINA 2L FOR CHLORIDE IS 250 mg/L.
.
+ �® + ♦ ❑D DRY
`� 1 - '� 1 •,• BEDROCK COMPETENT ROCK I DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA
.. .-% TRANSITION WATER LEVEL STATE PLANE COORDINATE SYSTEM RIPS 3200 (NAD83/2011).
.
GENERALIZED GROUNDWATER
SURFACE CASING FLOW DIRECTION
-''= ,•w.,. �♦ ':';, t � � + BEDROCK WATER LEVEL
%�• '' ® WELLSCREEN 2000 MSL. WATER LEVEL ELEVATION FIGURE 1-69
CONTOUR INTERVAL (mg/L) CONCEPTUAL CROSS-SECTION B-B'
GENERALIZED FRACTURE ZONE CHLORIDE ISOCONCENTRATIONS
ASHEVILLE STEAM ELECTRIC PLANT
350 175 0 350 700 `� DRAWN BY. B. YOUNG
+, GROUNDWATER CONCENTRATION AREA
Ong _ / Terra ARDEN, NORTH CAROLINA
"7' ' DATE DRAWN: 8/25/2016 5g•. �sn ... .. .iln !IN FFFTI
50

Cross Section B-B'
21
21
B Bw
(SOUTHWEST) (NORTHEAST)
GEOLOGIC DATA IS INFERRED FROM
MONITORING WELL TO PRIVATE WELL AS-14
COMPLIANCE BOUNDARY
MW-7, S, B
WASTE BOUNDARY
LAKE
JULIAN
2,160' msl.
� ����_■I��f��ff�.iiiiiii+iii�i���������y■i if����f�y
i;�ii�
,♦fm NNE
®'IF,�ff•F r
4f��f■Fil 1 1
FRENCH BROAD UMJ
RIVER IN
■Fi�fff 2�'
r
%\ *ft B
Y
� '.• '� III i -♦
B :A• ai. ._xa- ._jai i'Qdasi?.�e5.a 1 5' ... r w�
LEGEND
ASH
!� REGOLITH
SAPROLITE
TRANSITION ZONE
'.� COMPETENT ROCK/BEDROCK
SURFACE CASING
® WELL SCREEN
® GENERALIZED FRACTURE ZONE
WELL - SELECTED FOR CROSS-SECTION
CROSS-SECTION
GENERALIZED WATER LEVEL- SURFICIAL
.
SURFICIAL WATER LEVEL
.
TRANSITION WATER LEVEL
BEDROCK WATER LEVEL
m CONTOUR INTERVAL (Ng/L)
AS-14
NCDEQ ID
CB-8
MONITORING WELL
g9
CONCENTRATION (gg/L)
10
DRY
NS
NOT SAMPLED
GENERALIZED GROUNDWATER
FLOW DIRECTION
2000 MSL.
WATER LEVEL ELEVATION
GROUNDWATER CONCENTRATION AREA 350 175 0 350 700 `i� DRAWN BY8: B. YOUNG
S)/tlTerra HEEDEDBY: PLATING
!IN FFFTI DATE DRAWN: /25/2015
NOTES:
VERTICAL EXAGGERATION SET AT 5:1.
CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN 2/18/14
AND 7/12/16.
CHROMIUM (VI) ISOCONCENTRATIONS DERIVED FROM FIGURES 1-24, 1-25,
1-26.
THE NORTH CAROLINA DEPARTMENT OF HEALTH AND HUMAN SERVICES
HEALTH SCREENING LEVEL FOR CHROMIUM (VI) IS 0.07 Ng/L. NC DHHS
MEMORANDUM, NOVEMBER 4, 2015.
DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE
PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011).
FIGURE 1-70
CONCEPTUAL CROSS-SECTION B-B'
CHROMIUM (VI) ISOCONCENTRATIONS
ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA
50

Cross Section B-B'
B B'
(SOUTHWEST) (NORTHEAST)
COMPLIANCE BOUNDARY
WASTE BOUNDARY
GEOLOGIC DATA IS INFERRED FROM
MONITORING WELL TO PRIVATE WELL AS-14
J
LAKE
JULIAN
2,160' msl.
- 4
t1�
- �������� •
f����� f
_
_��■�f�■iiiiii
�■Ffffrf
���
�ff•F
- r
■F+�fff��+'
Lu
FRENCH BROAD
RIVER
■
e■
e
■
♦ y
LEGEND
NOTES:
,♦ - T
El
.�
❑
•
.
�
0
®
m
FIGURE 1-71
CONCEPTUAL CROSS-SECTION B-B'
CHROMIUM (TOTAL) ISOCONCENTRATIONS
DRAWN BY:B.YDUNG
RAWN
ASHEVILLE STEAM ELECTRIC PLANT
•;""'Nctl.w,a ,, `N,-,,;,,. _
Ong
B :T.PG
S)/tlTerra DATE DRAWN: 8/25/2016
ARDEN, NORTH CAROLINA

Cross Section B-B'
B B'
(SOUTHWEST) (NORTHEAST)
GEOLOGIC DATA IS INFERRED FROM
MONITORING WELL TO PRIVATE WELL AS-14
J
COMPLIANCE BOUNDARY
III WASTE BOUNDARY
Gfff ■,
LAKE
JULIAN
2,160' msl.
-
y
LEGEND
NOTES:
�
gyp"
I
.
f e ,♦ - T
i
El
�
®
m
FIGURE 1-72
CONCEPTUAL CROSS-SECTION B-B'
COBALT ISOCONCENTRATIONS
BY: B. YOUNG
ASHEVILLE STEAM ELECTRIC PLANT
[RAWN
SynTerra ATEOR°WN;$;ZS;Zoi6
ARDEN, NORTH CAROLINA

Cross Section B-B'
B B'
(SOUTHWEST) (NORTHEAST)
GEOLOGIC DATA IS INFERRED FROM
MONITORING WELL TO PRIVATE WELL AS-14
Y
COMPLIANCE BOUNDARY
WASTE BOUNDARY
LAKE
JULIAN
2,160' msl.
����04W .
� . i _
1ow umm 04&P Ow Nib ON I go ow
• iii `i
1000
♦ y
LEGEND
NOTES:
r
,•
_ H
�
❑
1
♦
❑
FIGURE 1-73
•1
® m
CONCEPTUAL CROSS-SECTION B-B'
IRON ISOCONCENTRATIONS
z .
' DRAWN BY: B.YOUNG
ASHEVILLE STEAM ELECTRIC PLANT
=°Lkr.w,e , $Yrd•'•4,7 .,,.. ,,
SynTerra HECKEDBY:T.PLATING
DATEDRAWN:8/25/201G
ARDEN, NORTH CAROLINA

Cross Section B-B'
B B'
(SOUTHWEST) (NORTHEAST)
GEOLOGIC DATA IS INFERRED FROM
MONITORING WELL TO PRIVATE WELL AS-14
Y
COMPLIANCE BOUNDARY
WASTE BOUNDARY
50
350 ■ -
i�
-1
LAKE
JULIAN
2,160' msl.
--. -
L ♦ � y
LEGEND
NOTES:
i
❑
'+
FIGURE 1-74
♦�
® m
B `
®
CONCEPTUAL CROSS-SECTION B-B'
MANGANESE ISOCONCENTRATIONS
z .
'
STEAM ELECTRIC PLANT
[RAWNBY:B.YOUNGASHEVILLE
synTerra ArEOR°WN;8;25;2016
ARDEN, NORTH CAROLINA

Cross Section B-B'
B B'
(SOUTHWEST) (NORTHEAST)
GEOLOGIC DATA IS INFERRED FROM
MONITORING WELL TO PRIVATE WELL AS-14
DO
COMPLIANCE BOUNDARY
WASTE BOUNDARY
oil
ablow
�!Gffff.
mb
�ff•F - r
off El
FRENCH ■ F+�fff �'
• •
RIVER
I'%
HE
e■
J
LAKE
JULIAN
2,160' msl.
■
♦ y
LEGEND
NOTES:
gyp"
�• ,♦ — T
r
�,�
El
d , ' �♦
'+
♦�
®
m
FIGURE 1-75
`
CONCEPTUAL CROSS-SECTION B-B'
B
®
SELENIUM ISOCONCENTRATIONS
z .
'
ASHEVILLE STEAM ELECTRIC PLANT
FRTAWNEBY�'B:.TY.OUNG:
S)/tlTerraCKDRLATING
E DRAWN: 8/25/2016
ARDEN, NORTH CAROLINA

Cross Section B-B'
21
21
B Bw
(SOUTHWEST) (NORTHEAST)
GEOLOGIC DATA IS INFERRED FROM
MONITORING WELL TO PRIVATE WELL AS-14
COMPLIANCE BOUNDARY
MW-7, S, B
WASTE BOUNDARY
LAKE
JULIAN
2,160' msl.
42 _ _ _ _ _ _ _ _ _ _ _ _ _ _ g
723
C646
W I MW-21D 305—
_ _--- --- ---- ---- --_-- ---- ---- ---- — --
0034'MSL.' FRENCH BROAD m 136 _ 211 D
RIVER__—
__ 129
3
WATER LEVELS AT AS-14 WERE MEASURED ON -
--- ---- ------------ ---- ---- ---- ---- ---- ---- ---- ---- -- 5/11/16. THESE WATER LEVELS REPRESENT A —
—_ -------------------------------------------------- ------ COMPOSITE OF HYDRAULIC HEADS FROM MULTIPLE —
— — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
FRACTURES WITHIN EACH WELL. STATIC CONDITIONS —
=—�====================================================== = ARE NOT ASSUMED AS PUMPING AT EACH WELL IS —_
ROUTINE. —
- LEGEND
y NOTES:
�I . I ASH WELL- SELECTED FOR CROSS-SECTION
NCDEQ ID VERTICAL EXAGGERATION SET AT 5:1.
REGOLITH CROSS-SECTION
1 °�. __ CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN 2/18/14
♦ v.
,gipj �,� A BCB-8 MONITORING WELL AND 7/12/16.
Ww
�•
sAPRou(Ng
CONCENTRATION /LrE GENERALIZED WATER LEVEL- O ) 44 RONTIUM ISOCONCENTRATIONS DERIVED FROM FIGURES 1-42, 1-43, 1-
Y y�P
TRANSITION ZONE . SURFICIAL WATER LEVEL ap DRY NO NORTH CAROLINA 2L OR INTERIM MAXIMUM ALLOWABLE
i • CONCENTRATION ESTABLISHED FOR STRONTIUM.
`� � S '� 1 •,� COMPETENTROCK/ . TRANSITION WATER LEVEL mm=mlmo� GENERALIZED GROUNDWATER DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA
.% FLOW DIRECTION STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011).
SURFACE CASING BEDROCK WATER LEVEL 2000 MSL. WATER LEVEL ELEVATION
WELL SCREEN m' CONTOUR INTERVAL (Ng/L) FIGURE 1-76
CONCEPTUAL CROSS-SECTION B-B'
GENERALIZED FRACTURE
,a. STRONTIUM ISOCONCENTRATIONS
7 'I 350 175 0 350 700 ASHEVILLE STEAM ELECTRIC PLANT
GROUNDWATER CONCENTRATION AREA
�' DRAWN BY. B. YOUNG
Ong HECKED BY: T. PLATING
ARDEN NORTH CAROLINA
(INFFFTI "7 "��r� DATE DRAAWN: 8/25/2016
50

Cross Section B-B'
21
21
B Bw
(SOUTHWEST) (NORTHEAST)
GEOLOGIC DATA IS INFERRED FROM
MONITORING WELL TO PRIVATE WELL AS-14
COMPLIANCE BOUNDARY
MW-7, S, B
WASTE BOUNDARY
LAKE
JULIAN
2,160' msl.
iAPZ-30 14v 190 — — 120== = = = == = = = == = = � = = = == = = = 5.2= = ==
W MW-21D
2034'MSL.' FRENCH BROAD m a 100 190
RIVER__—
__gg
120
EM-
250 = ==== ==== ============ ==== ==== ==== ===— --== ==== ==== ==== == WATER LEVELS AT AS-14 WERE MEASURED ON =
5/11/16. THESE WATER LEVELS REPRESENT A =
_______________________ ____ ____ ____ ____ ____ ____ ____ ____ __ COMPOSITE OF HYDRAULIC HEADS FROM MULTIPLE _
CONSTITUENT CONCENTRATIONS WEST OF — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — = FRACTURES WITHIN EACH WELL. STATIC CONDITIONS =
— — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
FRENCH BROAD RIVER CANNOT BE CONTOURED ====================================== = ARE NOT ASSUMED AS PUMPING AT EACH WELL IS =
DUE TO OPEN BOREHOLE WELL CONSTRUCTION. — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — _ ROUTINE. _
LEGEND
v L ♦ y NOTES:
1 •� `♦ ASH WELL- SELECTED FOR CROSS-SECTION NCDEQ ID VERTICAL EXAGGERATION SET AT 5:1.
��' REGOLITH — — CROSS-SECTION CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN
,¢p ] , A B CB-8 MONITORING WELL 2/18/14 AND 7/12/16.
SAPROLITE GENERALIZED WATER LEVEL- SURFICIAL SULFATE ISOCONCENTRATIONS DERIVED FROM FIGURES 1-45, 1-46, 1-
T CONCENTRATION (mg/L)
47.
TRANSITION ZONE SURFICIAL WATER LEVEL
. ❑D DRY THE NORTH CAROLINA 2L FOR SULFATE IS 250 mg/L.
i
�% 1 �• COMPETENT ROCK/ BEDROCK TRANSITION WATER LEVEL DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA
_.% . �� GENERALIZED GROUNDWATER STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011).
11 '' ♦ � ,� Y FLOW DIRECTION
SURFACE CASING BEDROCK WATER LEVEL
WATER LEVEL ELEVATION
%�• '' ® WELLSCREEN m CONTOUR INTERVAL(mg/L) FIGURE 1-77
GENERALIZED FRACTURE ZONE CONCEPTUAL CROSS-SECTION B-B' SULFATE ISOCONCENTRATIONS
. IsGROUNDWATER CONCENTRATION AREA 350 175 0 350 700 BY: T. PLATING
Ong �/�`�i DRAWN BY: B. YOUNG ASHEVILLE STEAM ELECTRIC PLANT
HECKE„j• er� DATE DRDAWN: 8/25/2016 ARDEN, NORTH CAROLINA
`•X"n"3`. .. .,a !IN FFFTI
50

Cross Section B-B'
21
21
B Bw
(SOUTHWEST) (NORTHEAST)
GEOLOGIC DATA IS INFERRED FROM
MONITORING WELL TO PRIVATE WELL AS-14
COMPLIANCE BOUNDARY
MW-7, S, B
WASTE BOUNDARY
LAKE
JULIAN
2,160' msl.
APZ-30 '/" 200 110
310
Lu
Q a 120 240
2034'MSL.' FRENCH BROAD m —
RIVER__—
__ _ _ — 280 =_
250
510 = ==== ==== ============ ==== ==== ==== ==== ==== ==== ==== ==== == WATER LEVELS AT AS-14 WERE MEASURED ON -
5/11/16. THESE WATER LEVELS REPRESENT A —
COMPOSITE OF HYDRAULIC HEADS FROM MULTIPLE —
-- —= = CONSTITUENT CONCENTRATIONS WEST OF — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — = FRACTURES WITHIN EACH WELL. STATIC CONDITIONS —
— — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
=- _ FRENCH BROAD RIVER CANNOT BE CONTOURED ====================================== = ARE NOT ASSUMED AS PUMPING AT EACH WELL IS —
DUE TO OPEN BOREHOLE WELL CONSTRUCTION. — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — _ ROUTINE. —
� v L ♦ � y LEGEND NOTES:
1 1 '~ 'I ASH WELL- SELECTED FOR CROSS-SECTION
NCDEQ ID VERTICAL EXAGGERATION SET AT 5:1.
��' ... REGOLITH CROSS-SECTION CONCENTRATIONS SHOWN REFLECT DATA GATHERED BETWEEN
,¢p ] , A B CB-8 MONITORING WELL 2/18/14 AND 7/12/16.
SAPROLITE GENERALIZED WATER LEVEL - SURFICIAL
��' " e p ��'�. - -y-- � ss CONCENTRATION (mg/L) TOTAL DISSOLVED SOLIDS ISOCONCENTRATIONS DERIVED FROM
P.
T '� ,✓ � ( '... FIGURES 1-48, 1-49, 1-50.
TRANSITION ZONE . SURFICIAL WATER LEVEL p❑ DRY THE NORTH CAROLINA 2L FOR TOTAL DISSOLVED SOLIDS IS 500 mg/L.
`� S "+ '� 1 •,� COMPETENT ROCK I BEDROCK TRANSITION WATER LEVEL GENERALIZED GROUNDWATER DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA .
•' . • .,% FLOW DIRECTION STATE PLANE COORDINATE SYSTEM FIPS 3200 (NAD83/2011).
SURFACE CASING BEDROCK WATER LEVEL
-r': .,... � '; •;, � � � ZOOO MSL. WATER LEVEL ELEVATION
% I� '� ® WELL SCREEN m CONTOUR INTERVAL (mg/L) FIGURE 1-78
CONCEPTUAL CROSS-SECTION B-B
B ® GENERALIZED FRACTURE ZONE TOTAL DISSOLVED SOLIDS ISOCONCENTRATIONS
f , GROUNDWATER CONCENTRATION AREA 350 175 0 350 700�' DRAWN BY: B.YOUNG ASHEVILLE STEAM ELECTRIC PLANT
ARDEN, NORTH CAROLINA
�/��Terra HECKED BY: T. PLATING
:+ N FEET "7' ' DATE DRAWN: 8/25/2016
P:\Duke Energy Progress. 1 026\00 GIB BASE DATAWsheville\Map_Docs\CSA_Supplement\CrossSection_BWsheville_CROSS-SECTION B-B'_TDS.mxd
50

Cross Section B-B'
B B'
(SOUTHWEST) (NORTHEAST)
GEOLOGIC DATA IS INFERRED FROM
MONITORING WELL TO PRIVATE WELL AS-14
IN
i�
FRENCH BROAD
RIVER
r/f f
fft-
COMPLIANCE BOUNDARY
WASTE BOUNDARY
J
-1
LAKE
JULIAN
2,160' msl.
-
LEGEND
NOTES:
,♦ - T
El
.�
.
•
♦
.
®
m
FIGURE 1-79
B i '
CONCEPTUAL CROSS-SECTION B-B'
VANADIUM ISOCONCENTRATIONS
'
BY: B. YOUNG
ASHEVILLE STEAM ELECTRIC PLANT
1'.ilr
[RAWN
S)/t1T2Crd ATE DRDAWN: 8/25/201G
ARDEN, NORTH CAROLINA

2,180
2,170
2,160
2,1 0
a 2,140
ai 2,130
a
a
2,120
2,110
2,100
2,090
GCB-01 GCB-02 CB-3R —GW-01 CB-8
CB-1 and GW-1 are not influenced by basin dewatering.
21 2.08
------
-
-
---
---
• • • • . Cove excavation early 2016
••''•••./� 2,140.7
_ _
CB-2 -11.33 feet decrease in water level elevation
• r-I
b-0
a�
N
ON
z,112.39 CB-3R - 8.7 feet decrease in water level elevation
-------------------
0
b-0
2,103.69
— — — — — — — — — — — — — — — — — — — -
3
(�
CB-8 - Not influenced by 1982 basin ewatering
O
r-I —1
-A N
N
N
m
m m d' dt C' lD �.o U0 1.0 l0
c-I
c-I r-I
N
r-I i--I
O
r-I
O
ri
O
—1
O
—1 ri ri r-I ri r-I r-I r-I r-1 r-I r-1 r-I r-1 r-I
O O O O O O O O O O O O O O
r-I
r'4
(V
r 4
rV
r1i
r-4 N lV fV lV fV r1i N fV fV rV fV r 4 r-4
O
1.0
r
r-I\
m
r-I t9 rn M I, l0 M 00 O W 01 r-Ir-1r-I
\ \ r-I \ \ \ \ \ O fV 0 fV r-1 \
I
-1 N4
O O
r�i
FIGURE 1-80
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
WATER ELEVATIONS TIME SERIES PLOT
PHONE [phone]
www.synterracorp.com
COMPLIANCE BOUNDARY WELLS
DRAWN BY: B.WILKER DATE: JULY2016
PROJECT MANAGER: T.PLATING
ASHEVILLE STEAM ELECTRIC PLANT
synGW
����
LAYOUT:
200 CP&L DRIVE
\Duke Energy Progress.1026\102. Asheville Ash Basin
[P:Assessment Plan\19.EG_CSASUP\FINALAshevil le
ARDEN NORTH CAROLINA 28704
CSA Supp 1\Figures

-o
x O
a
Amk
o
,,o o\°
o GCB-5 ryo
1982 Basin
o ` P
80% N ri 80"%
� x
,Zp 60% 6 0 % d'Q
O
40°l0
\° 1101.
�.
0
20% CB-5 CB-7 200/c
I-11 MW-15A
CP 0. Adana�Oh°\° �v
0 0 0 0
�Ca— —CIS!
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
www.s nterracor .com
,tip DRAWN BY: T. PLATING DATE: JULY 2016
synTerra PROJECT MANAGER: T. PLATING
r"AYOUT.'Progress.1026\102. Asheville AshBasin GW Assessment Plan\
P\Slalls[ics\Piper Diagrams
,964 Basin
Background
Well ID
% Difference
ABMW-02S
27.6
• CB-01
17.6
C B-04
7.4
• CB-09
18.1
• CB-09SL
8.12
GW-01
20.6
GW-03
9.91
MW-08S
0.396
MW-09S
3.37
• MW-24S
9.37
• CB-05
12.9
• CB-06
9.30
• CB-07
6.23
• MW-10
7.98
MW-11
3.12
MW-15A
3.82
MW-16A
6.2
MW-17A
4.57
MW-20A
12.7
Notes:
• Background
1982 Basin
1964 Basin
Red text indicates ion charge
balance
percent difference greater than 10%.
Data included for analysis from Round 4
sam lin event(January
2016.
FIGURE 1-81
PIPER DIAGRAM — SURFICIAL ZONE
ASHEVILLE STEAM ELECTRIC PLANT
200 CP&L DRIVE
ARDEN, NORTH CAROLINA

1�
O I`
80% N� �/ �d� 80%
60% Z� ABMW-04D 60% �O
40% q 0%\
cP
zo% a%
Boron <50 µg/l10 MW-22D y
CP 0 17 r3
op oo a8 0o 'o
4— Ca Background CI --ip-
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
www.s nterracor .com
DRAWN BY: T. PLATING DATE: JULY 2016
Terra PROJECT MANAGER T. PLATING
LAYOUT:
synFI LEu ATH:
19 E ke Energy Progreti .\Pi 6, Dj Asheville Ash Basin GW Assessment Plan\
19 EG_CSASUP\Slalls[ics\Piper Diagrams
Well ID
% Difference
ABMW-04D
9.46
AMW-02A
16.9
•
CB-01 D
6.40
CB-08
1.01
•
GW-01 D
11.4
•
MW-01 D
13.1
•
MW-03D
5.8
•
MW-05D
16.3
•
MW-09D
2.18
•
MW-11 D
2.73
•
MW-12D
16.3
•
MW-13D
6.75
•
MW-15D
7.51
•
MW-18D
8.43
•
MW-21 D
3.38
•
MW-22D
0.408
•
MW-23DL
7.93
•
MW-23DU
2.38
Notes:
•
Background
1982 Basin
1964 Basin
Red
text indicates ion charge balance
percent difference greater than 10%.
Data
included for analysis from Round 4
sampling event (January 2016).
FIGURE 1-82
PIPER DIAGRAM — TRANSITION ZONE
ASHEVILLE STEAM ELECTRIC PLANT
200 CP&L DRIVE
ARDEN, NORTH CAROLINA

80%
60%
40%
20%
— 1Do 70.
0 0
�Ca'
r T2 A
U� ° • 1%
O� moo°
60% 00
a°
40%
Background -'
ICIP
synTerra
MW-22BR
CB-08BR 4,
M W-13BR
CI —�
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
www.svInterracorip.com
DRAWN BY: T. PLATING DATE: JULY 2016
PROJECT MANAGER: T. PLATING
FILEPATH:
P'.\Duke Energy P,gressAOM102. Asheville Ash Basin GW Assessment Plan\
19 EG_GSASUP\Slallstic \Piper Dlaq—,
1964 Basin
Well ID
% Difference
AMW-01 B
2.50
•
AMW-03B
11.6
CB-04B
1.47
CB-08BR
3.83
•
CB-09BR
8.41
•
GW-01 BR
7.85
GW-02
0.549
MW-01 BR
6.82
MW-05BR
13.1
MB-09BR
0.033
MW-13BR
9.80
MW-14BR
0.796
MW-16BR
30.7
MW-18BR
1.16
MW-22BR
10.6
PZ-17D
2.15
PZ-17S
7.41
•
AS-09
9.92
•
AS-11
2.10
•
AS-13
4.55
•
AS-14
3.02
•
AS-20
0.568
Notes:
•
Background
•
1982 Basin
f
1964 Basin
•
Private Water
Supply Well
Red text indicates
ion charge balance
percent difference greater
than 10%
Data included
for analysis from Round
4 sampling event (January
2016).
FIGURE 1-83
PIPER DIAGRAM - BEDROCK ZONE
ASHEVILLE STEAM ELECTRIC PLANT
200 CP&L DRIVE
ARDEN, NORTH CAROLINA

0
D W-35 O
O FDW-1
O DW 10
AS9
HOYT RD pp
O DW-2
Y
ws " " O PRW 5
r ri
r
r
.��_. ..
s
,J/ u. '�" • J>,if1C. `3-',r�' 4 °""'fit �t : '' i''•,ti. 't:. h,
't. � rf ' '>c . _,� rid �y�I a?-' ,,a^ y.�• '�, a4...
_ �' CAR'``,, v :. r. �:.- ., ':�' :k�•,, , „_ � ,.+ ,`�.n':
r a ^#
a,
^
y
`�'• 'fit
y rr
y, {
xj
,.. •x .. , / ✓.:rr' 'i/ ,:: y-v. .; / « _..la `'}�', :: x.a�:'. r3• / rC' 3.t ieii. "j'.'3..d�•'C*"
�r' f
//F" y�,, 1}•y -/ '>:,�x; F'r , /.. � !: s� r �.r sir_ �� _ "a'r,, ,.
iF..�
/
h
'
a.
•�.,
LL N r �.♦�
1
� A '`'',�:
w• �• A B.
y Tf ✓
+u'' �' ''fir;•
F
a v� r //� - 's,,�. .ate '�•. "'tr%��'pp �;^/� YY '�K�`.` '�,�y.. �,6f,..
-.
1,.,. ��/ " ,�ly//_/,y�" ,F / +.< � 'i,� � -� �; .. ,y ��' ,�7f 'f ': 'L✓ } '.S.A/ ('' L'��� �f / t!, � V
VVI
�: dR
Am-
,/
J ^
�1. .�-"1', a3 t•( �_ 7' ���l�A jy .. ,�eY ,'a^?' ''he .Or , y ig«^�y'y..i' P.`.'�(.
Awl
x
Y �
PRW 10 O
1
1
sw 101
SG
F�
>
R
1964 ASH BASIN
Y- -,
G P-103
C 02
r
V=
rri' �ti MW-7BR
GW-3 � ABMW-11BR
P-102 (''
d
0
v�
2 y�
F �
1982 ASH BASIN
LEGEND
DUKE ENERGY PROGRESS PARCEL LINE
---- CCR SURFACE IMPOUNDMENT COMPLIANCE BOUNDARY
a
CCR SURFACE IMPOUNDMENT
=
O DW-23
WATER SUPPLY WELL NOT SAMPLED BY NCDEQ
O FAS15
WATER SUPPLY WELL SAMPLED BY NCDEQ
CONSTITUENT CONCENTRATIONS BELOW NC21- STANDARDS
w
OAS 17
WATER SUPPLY WELL SAMPLED BY NCDEQ
CONSTITUENT CONCENTRATIONS ABOVE NC2L STANDARDS
CB 8D
CSA MONITORING WELL (SURVEYED)
CB 8
COMPLIANCE MONITORING WELL (SURVEYED)
Q� Fc-B-11
BACKGROUND COMPLIANCE MONITORING WELL (SURVEYED)
GW-4
MONITORING WELL (SURVEYED)
C P-101
PIEZOMETER (SURVEYED)
DW-6
ABANDONED WELL
AL SW 101
SURFACE WATER LOCATION (APPROXIMATE)
- —
STREAM APPROXIMATE
— —
STORM WATER DITCH APPROXIMATE
SHEAR ZONE
J ROSE DIAGRAM OF
DOMINATE WATER PRODUCING FRACTURES
N
RED SHADING INDICATES THE
m�NozL PZ 17 �. Pz 16 1''� I p ORIENTATION OF FRACTURES
GROUPED INTO 10- INC
AND LENGTH RE RES NR HENTS
/� PZ-17S
PERCANTAGE OF TOTAL OBSERVED
FRACTURES.
MW 19BR'', CB 6 E
\\ W
1 PZ 19 I 1 P 101 DIP ANGLE STRIKE AZIMUTH �\,I.
4tia: / g \
` \ I Oolo
O /
l P 100 0
a
I �ABW-7�
w.; rlO�S
J Jivivv �Bri'I /
GW-4
I ' 8CB 2 EACH CIRCLE REPRESENTS 10% OF
o Mw 65Mw-6s THE TOTAL NUMBER OF FRACTURES
� OBSERVED IN THE WELL
MW 6BR (' PZ 22 `
100
\`
CB 3 & S GW-5
FRACTURE DATA COLLECTED USING
MAGNETIC NORTH. DATA ADJUST TO REFLECT
ORIENTATION OF THE FIGURE WHICH IS BASED
CB 3R 1' o� ` ON NORTH CAROLINA STATE PLANE (1983)
DOUGLgS\0000 FIR DF? P SOURCES:
T - I 1. MARCH 16, 2015 AERIAL PHOTOGRAPH OBTAINED FROM NC GEOSPATIAL
0
PORTAL AThttp*.//data.nconemap.gov/geoportaI/catalog/main/home.page
Zn CB 4B APZ-30 r O AS1/DW 9 �F�� 2.) DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANE COORDINATE
Z SYSTEM FIPS 3200 (NAD 83).
3.) PARCEL BOUNDARY WAS OBTAINED FROM BUNCOMBE COUNTY GIS DATA.
vQ
...... AMW-2A 4.) COMPLIANCE MONITORING WELL LOCATIONS AND WASTE BOUNDARY FROM FCA OF NC,
SURVEY DATED MARCH 2O09. COMPLIANCE WELLS CB 3R, CB-9 AND SG-1 SURVEYED BY FCA OF
NC, SURVEY DATED 2012 11 28.
I 5.) ADDITIONAL MONITORING WELL AND PIEZOMETER LOCATIONS WERE BASED ON DATA
PROVIDED BY PROGRESS ENERGY.
6.) SHEAR - a MW 23DL j. F FROM ZONE
BASED QUADRANGLE OSKYLAND OBTAINED
OM THE NC D NR G S IMAGES RVERAT htttp://gs. nEst tte.nc s/sid�
�' 1 AMW 1B MW-23DU Sr WO
CB 5 *N
f
4
MW-21D
NO SIGNIFICANT WATER PRODUCING
FRACTURES IDENTIFIED IN DW7.
FA S-51 O
GRAPHIC SCALE
200 0 100 200 400
(IN FEET)
s " erra
148 River Street, Suite 220
Greenville South Carolina 29601
864-421-9999
www.synterracorp.com
DRAWN BY: JOHN CHASTAIN DATE: 08/08/2016
CHECKED BY: TODD PLATING DATE: 08/08/2016
PROJECT MANAGER: KATHY WEBB
LAYOUT NAME: FIG 3-1 (WATER PROD FRACS)
DUKE
ENERGY
PROGRESS
ASHEVILLE PLANT
200 CP & L DRIVE
ARDEN, NORTH CAROLINA
FIGURE 3-1
SUMMARY OF WATER PRODUCING
FRACTURES

aPF a _;� ••�r�nt. �� �$+'��,�+•Lz y�5- tee _� �.v. ��.j,. � l ,'�V. •.yr���5k't :�e
a• x'g,r Ij�' '{ 1
wit r�_�i ,� • , '� ' �.,,� �, � z .,��y .�`ax r `-'mac � ".x �"iR
A\!1i\ � ::� . �':�'�°a _ arty' _i�� .. . ,.. _. �•_�.� :.� � =��k .
EXT-2�
B-1
..y
B1-A
G2 MW-17A Ga:
fo
1964 BASIN SEEP COLLECTION SYSTEM
(PLANNED DISCHARGE POINT FOR PUMP TEST)
\110111h
APD 1
MW-18BRL�, GW3 MW-7BR
MW
MW-18BR
I LEGEND
TOPO
DUKE ENERGY PROGRESS
\ COMPLIANCE BOUNDARY
\\ WASTE BOUNDARY
PUMPING WELL
\' \OBSERVATION WELL (MONITORED BY
o \ LEVELOGGER)
\ MONITORING WELL OR PIEZOMETER
(MANUALLY GAUGED)
+ MAP SOURCES:
t htip //earth gogg.AERIAL
e RI L PHOTOGRAPH OBTAINED FROM GOOGLE EARTH AT
' - > ,y , ^•., • .r.. ' - 2. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE
PLANE COORDINATE SYSTEM FIPS 3200 (NAD 83, NAVD88).
" vR 3. PARCEL BOUNDARY WAS OBTAINED FROM BUNCOMBE COUNTY GIS DATA AT
uncom ecou unco m http://gis.b b nty.org/b map/Map_All.ht I
{ GRAPHIC SCALE
41 100 0 100 200
IN FEET FIGURE 5-1
148 RIVER STREET, SUITE 220 AQUIFER TEST -SITE LAYOUT
\ Y� GREENVILLE, SOUTH CAROLINA 29601
PHONE[phone] ASHEVILLE STEAM ELECTRIC PLANT
\
www.fletchergroup.com ARDEN, NORTH CAROLINA
�� DRAWN BY: PROJECT A MANAGER:
TODDT PLATING
DATE: 8/2/2016
LAYOUT T
08 25 2016 8:33 PM PADuke Energy Pro ress.1026 102. Asheville Ash Basin GW Assessment Plan 19.EG CSASUP DWG DE ASHEVILLE CSASUP AQUIFER TEST.dw