NC0004774_3_FINAL_CSA Supplement 2_Buck_Figures_20160802

UCK COMBINED
YCLE STATION
,L:l'
NOTES:
I. SOURCES: US TOPO; 2011, USGS NATIONAL MAP AERIAL
IMAGERY; 2010 NORTH CAROLINA STATEWIDE
ORTHOIMAGERY, INC GEOSPATIAL & TECHNOLOGY
MANAGEMENT OFFICE
SCALE (FEET) _
1,000 0 1,000 2,000
SITE LOCATION MAP
DUKE ENERGY CAROLINAS, LLC
BUCK STEAM STATION ASH BASIN
ROWAN COUNTY, NORTH CAROLINA
DATE
AUGUST 2016
FIGURE
1-1

LEGEND
U WATER SUPPLY WELLS - NOT SAMPLED
BY DEQ `
WATER SUPPLY WELLS - SAMPLED BY
DEQ
CAMAASSESSMENT GROUNDWATER
MONITORING WELL __
NPDES COMPLIANCE GROUNDWATER
MONITORING WELL :. U
NPDES VOLUNTARY GROUNDWATER
MONITORING WELL
CAMAASSESSMENT SURFACE WATER
SAMPLE LOCATION
CAMA ASSESSMENT AREA OF WETNESS
SAMPLE LOCATION
ASH BASIN COMPLIANCE BOUNDARY
n�g GWA-7
GWA'-1 D�
GWA-19S
BUCK COMBINED
SW-1 S_7CYCLE STA,71ONGVV
GWA-9D
BSSW001 g_g GWA-9S ��
GWA-9BR
Terracotta Terracotta Pipe #2
ASH BASIN COMPLIANCE BOUNDARY
COINCIDENT WITH DUKE ENERGY
r;ma
PROPERTY BOUNDARY_.
ASH BASIN WASTE BOUNDARY
cEI
ASH STORAGE AREA
DUKE ENERGY PROPERTY BOUNDARY "
ROADS u
10' TOPOGRAPHY
I
;O
y.t O r�
70
4 !
NOTES:
1. AERIAL IMAGERY IS A COMBINATION OF NC ON EMAP (2010) AND A WSP AERIAL SURVEY (2014)
2. TEN FOOT TOPOGRAPHICAL CONTOURS OBTAINED FROM 2015 WSP SURVEY DATA
2. PARCEL DATA FOR THE SITE WAS OBTAINED FROM DUKE ENERGY REAL ESTATE AND IS APPROXIMATE.
3. THE COMPLIANCE BOUNDARY IS ESTABLISHED ACCORDING TO THE DEFINITION FOUND IN 15A NCAC
02L .0107 (a).
4. WASTE BOUNDARY IS APPROXIMATE.
5. AS -BUILT CAMA ASSESSMENT AND NPDES SERIES MONITORING WELLS ARE PROVIDED BY DUKE
ENERGY, WSP, AND OTHERS.
6. EPA RULE CCR WELL LOCATIONS AND CAMA H/V DELINEATION WELL LOCATIONS (BLUE LABELS) ARE
APPROXIMATE AND HAVE NOT BEEN SURVEYED.
7. YELLOW LABELS INDICATE AN ADDITIONAL ASSESSMENT WELL COMPLETED POST-CSA.
-L,,:PRIM
0 500 1,000 1,500
Feet
BR AB-9S
AB-9BRU
SAMPLE LOCATION MAP
DUKE ENERGY CAROLINAS, LLC
F)l BUCK STEAM STATION
ROWAN COUNTY, NORTH CAROLINA
-4
Y
y ry Y �-
f
A
DATE
AUGUST 2016
FIGURE
1-2

e g x MW 3S/D MW�11S/D BR '
GWA-6S/BRU/BR \(
� MW-10D
25V
AB-9S/BRU/BR MW-4S/D
', .• � .,. ., ' GWA-4S/D/BRU/BR
J.
•, ; \
GWA-7S/D s �
...: R I ram ,
- AB-7S/a BRUT "
AB-66RU
B61/PWS: '}
N CO180647 GWA-19S/D/BR
GWA-3S/BRU/BR
AB-5S/SL/BRU GWA-17S
\ AB-8S/D
. MW-5S/D
V"R
r -
.. .
.. ,' GWA 8D a� •;,
A GWA 9S
A6-4S/SL
17
B81L51
. MW-2S/D ., \ a 52
/ #.. GWA-2S/BRU/BR
GWA=22S/D ',; MW-12S/D
P
.e .
� �'' •: AB-1 D` AS-1 S/D � ,J � B74%50
MW-9S/D 'e3-�j f B100/34
r . its 637/29 '' B9 ,
z
4B-10S/ / D BR ' B32/37
AB-2S/SL/D/BR _ 33
GWA-15S/D B33/48 B86/ 62
GWA-20S/D [aI o . r • K:
- : .f• n " - . '" / � -
.. •``
i
GWA-10S/D B4/49
,l` B73'/32Y w
I`
31 ,
•0 B40130
4 GWA-14S/D/BR
-
AB-3S/D
- �"4 a5•r � ,�, .iM4:. n .>., cute a 4 .,,x�5r'' �, � ti u , #-
GWA-11 S/D R GWA-13SR/D B17/17
�`' MW-13D
57
692/63
.: 19 B98/69
;BG S/ BRU
�• -3 , 54
4i t t B7/18
= MW=6S/D.
` B95/75
B57/72 '
B14/23
Q •• 0B18/24
E MW 7S/D .N • 46 74 73
If
.-B2/164 �1 ,B24/39
22
GWA-1 S/D
166 Q B28/36 �.
44 • _
1 d ` 25 B'43/21
J a
B3/152 ° T T ` r aid` , B77/20
�B19/156 oa a
�:, • MW-8S/D B39/26 ,
--�; B6/160a
B25/151 •, �, a
'-B24/146. 163 `�y u
• ., �_ L B53/47 B69/28 1
140B15/149' B11/162� 171.r -f
_ � c..
? B34/145 * 42 • *� B.12/165:,=B13%40
• !'� w , B76/127
139 B35/155 ,, B63/PWS: •,
• NEED 4BOB 33_,B56/41
�- 130 B42/150 B31 /147 : 26/96 B65 169 B78/124
•
C• B27/144
L} B50/143 T B10143 660/12%W
• r-•� _ • B38/148 t `
xa'158 B55/159 78 .iB44y80 :71/125
• B49/111 — ,'" ( 14 ,� B51/42 -
t 176 B48/79` } .,
129 f ,,: B69/154 �,,� r
BG-2S/D B58/81
°; - .B54/1' • B79/85,'
B62/PWS: • (J
• 122 0: B59/82
AMB83/153 NC0180630 B75/84 r
lob' • 83
T NC0480594 B88/97 B85/87 `
B67 • 98 u '. 86
B90/94 `�,
R • 95
B101/133. 132 ;92; 93- 9914 B89/89
B99/5* 114Y B93/101 • 123•
88
'ct 113�
120, 102 '
r 103 .4.
Iasi;., { 4 104 91 r
105
106
n ,.� ��� i �•yy �, Z t i_ 112 90 r�T
vY
148 107
E�
i 11 111 119
108

NOTES:
1. AERIAL PHOTOGRAPHY OBTAINED FROM NC ONEMAP (2010) AND WSP (2014)
2. HYDROGRAPHY OBTAINED FROM PROVISIONAL JURISDICTIONAL WATERS MAP (USACE APPROVAL PENDING),
PROVIDED BYAMEC FOSTER WHEELER, DATED MAY29, 2015
3. PARCEL DATA FOR THE SITE WAS OBTAINED FROM DUKE ENERGY REAL ESTATE AND IS APPROXIMATE
4. WASTE BOUNDARY IS APPROXIMATE
5. AS -BUILT MONITORING WELL LOCATIONS PROVIDED BY DUKE ENERGY
6. GROUNDWATER ELEVATIONS WERE MEASURED ON 6/17/2016
7. NM - GROUNDWATER ELEVATION NOT MEASURED DURING ROUND 6 (6/17/2016) GAUGING EVENT
8. SITUATIONS WHERE S/SL PAIRING EXIST S ELEVATIONS WERE USED FOR CONTOURS.
9. WATER SUPPLY WELL LOCATIONS ARE APPROXIMATE.
10. TOPOGRAPHIC CONTOURS ACQUIRED FROM WSP (DATED APRIL 2014)
500 0 500 1,000
SCALE (FEET)
F)l
ROWAN COUNTY, NORTH CAROLINA
LEGEND
GWA-2 S ASH BASIN ASSESSMENT GROUNDWATER
100.00, MONITORING WELL
GWA-2S ASH BASIN COMPLIANCE GROUNDWATER
100.00- MONITORING WELL
e
GWA-2 S ASH BASIN VOLUNTARY GROUNDWATER
100.00, MONITORING WELL
• WATER SUPPLY WELL NOT SAMPLED BY NCDEQ
WATER SUPPLY WELL SAMPLED BY NCDEQ
GROUNDWATER CONTOUR LINE (DASHED WHERE
INFERRED)
- - DUKE ENERGY PROPERTY BOUNDARY
ASH BASIN WASTE BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY COINCIDENT
WITH DUKE ENERGY PROPERTY BOUNDARY
STREAM
APPROXIMATE GROUNDWATER FLOW DIRECTION
10FT WSP SURVEY CONTOURS
DATE
AUGUST 2016
FIGURE
3-1

Vaciki;�
fz
i
NOTES:
1. AERIAL PHOTOGRAPHY OBTAINED FROM NC ONEMAP (2010) AND WSP (2014)
2. HYDROGRAPHY OBTAINED FROM PROVISIONAL JURISDICTIONAL WATERS MAP (USACE APPROVAL PENDING),
PROVIDED BY AMEC FOSTER WHEELER, DATED MAY 29, 2015
3. PARCEL DATA FOR THE SITE WAS OBTAINED FROM DUKE ENERGY REAL ESTATE AND IS APPROXIMATE
4. WASTE BOUNDARY IS APPROXIMATE
5, AS -BUILT MONITORING WELL LOCATIONS PROVIDED BY DUKE ENERGY
6. GROUNDWATER ELEVATIONS WERE MEASURED ON 6/17/2016
7. NM - GROUNDWATER ELEVATION NOT MEASURED DURING ROUND 6 (6/17/2016) GAUGING EVENT
8. WATER SUPPLY WELL LOCATIONS ARE APPROXIMATE.
9. GWA-18D WATER READING NOT USED FOR CONTOURING
10. TOPOGRAPHIC CONTOURS ACQUIRED FROM WSP (DATED APRIL 2014)
500 0 500 1,000
SCALE (FEET)
F)l
s
LEGEND
GWA-2D
ASH BASIN ASSESSMENT GROUNDWATER
100.00,
MONITORING WELL
�4
;at
GW00
ASH BASIN COMPLIANCE GROUNDWATER
0D
MONITORING WELL
GWA-2-2D
ASH BASIN VOLUNTARY GROUNDWATER
3`
100.00,
MONITORING WELL
•
WATER SUPPLY WELLS NOT SAMPLED BY NCDEQ
WATER SUPPLY WELLS SAMPLED BY NCDEQ
GROUNDWATER CONTOUR LINE (DASHED WHERE
INFERRED)
— — — DUKE ENERGY PROPERTY BOUNDARY
ASH BASIN WASTE BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY COINCIDENT
WITH DUKE ENERGY PROPERTY BOUNDARY
STREAM
APPROXIMATE GROUNDWATER FLOW DIRECTION
10FT WSP SURVEY CONTOURS
ROWAN COUNTY, NORTH CAROLINA
DATE
AUGUST 2016
FIGURE
3-2

NOTES:
1. AERIAL PHOTOGRAPHY OBTAINED FROM NC ONEMAP (2010) AND WSP (2014)
2. HYDROGRAPHY OBTAINED FROM PROVISIONAL JURISDICTIONAL WATERS MAP (USACE APPROVAL PENDING),
PROVIDED BY AMEC FOSTER WHEELER, DATED MAY 29, 2015
3. PARCEL DATA FOR THE SITE WAS OBTAINED FROM DUKE ENERGY REAL ESTATE AND IS APPROXIMATE
4. WASTE BOUNDARY IS APPROXIMATE
5. AS -BUILT MONITORING WELL LOCATIONS PROVIDED BY DUKE ENERGY
6. GROUNDWATER ELEVATIONS WERE MEASURED ON 6/17/2016
7. NM - GROUNDWATER ELEVATION NOT MEASURED DURING ROUND 6 (6/17/2016) GAUGING EVENT
8. WATER SUPPLY WELL LOCATIONS ARE APPROXIMATE.
9. TOPOGRAPHIC CONTOURS ACQUIRED FROM WSP (DATED APRIL 2014)
500 0 500 1,000
SCALE (FEET)
F)l
LEGEND
GWA�22 BR ASH BASIN ASSESSMENT GROUNDWATER
100.00, MONITORING WELL
*, r ,�,
• WATER SUPPLY WELLS NOT SAMPLED BY NCDEQ
e
G WATER SUPPLY WELLS SAMPLED BY NCDEQ
GROUNDWATER CONTOUR LINE (DASHED WHERE
INFERRED)
— — — DUKE ENERGY PROPERTY BOUNDARY
ASH BASIN WASTE BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY COINCIDENT
— — — WITH DUKE ENERGY PROPERTY BOUNDARY
STREAM
APPROXIMATE GROUNDWATER FLOW DIRECTION
10FT WSP SURVEY CONTOURS
i
ROWAN COUNTY, NORTH CAROLINA
DATE
AUGUST 2016
FIGURE
3-3

rn
0
x
0
F-
o
�o
U
ZJk
O
qq
w
U G�
a 9a0�
F 0
0
U 9
n
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w
-
w
w
J
a
9�
a
a
z
a
m
x
g
r
c�
w
w
z
w
w
Y
0
U
w
0
Ce
a
cD
x
a
a
.e
650
i
r
lot"
BUCK COMBINED
' CYCLE STATION�+
r r,
Aj ed Stream a�
iam
,. R
AM " ABOL
ffiffmD d,99"
Jman
AM
ram.
MMAR
ASH
STORAGE
CELL 1
ADDITIONAL
PRIMARY POND 0601
p"
WQ
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1 1 4100
1 1
1 1
1 1 �
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1 [341Q�li �
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1 Cl'
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o"(9
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asJOa" @ :: D
CELL 3
SECONDARY
POND
A0■
aUJI r A
SOIL
STOCKPILE
44= Ale
4'9
B53/47
634/145
D1M@5
142
613/40
..
?
172
B76/127
139
T3M@5
141
B31/147
B26/96
B56/41
130
B42/150
B2+7/144
�
B78/124
B1U/43 B60/126
690/143
B38/148
78
9
B51
/42 B71 /125
158
B49/111
�
B44/80
655/159
ow
14
B72/157
176
648/79
12.9
B66/154
B54/110
B58/81 B79/85
B6�2
12�2
128
675'/84
B59/82
131
B83/153
83
B64
B67T B88/97
100
B85/87
B90/94 95 98
86
13�2
B101/133
114 92 93
99
B93/101
689/89
CELL 2
PRIMARY
POND
300 0 300 600
1.7J (1.8J)
B29/39
22
rim
ffaR JJ
(�Q
tie
SR-2208 C
n
B97/61 66
NOTES:
ry
LEGEND:
ANTIMONY ISOCONCENTRATION CONTOUR MAP - SHALLOW WELLS (S)
DUKE ENERGY CAROLINAS, LLC
BUCK STEAM STATION ASH BASIN
z

c o
_ r a—
r BUCK STEAM
STATION COAL
FIRED UNITS 1-6
1
r
1
I.- - 71. - -
q,
v
WQ'Q
.e
1 �o
� C30g1�`r7�3�65
_ - ,1 - - l 10
rn�
BUCK COMBINED
� ` ► o CYCLE STATION � -
1 � ` ♦♦ � :�s.�-�...,. �` ice■ � .,
720
L
e
s
77.
c 1 qm
as"er
AM
40 1 Q�
ID
0
x
0
F-
o
�o
U
z
o
fl
�
z
w
U
Z��GG��
G�
C5
r
n
qn
a 9a0�
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U
q
m
,4
o
w
w
z
w
W
I
J
�
a'iir�j
fll
a
glJ(1
U
q�
q�
U
O
0
(7
x
a
a
alQfL"4
N
awl
A.Mamm ASH
STORAGE
CELL 1
ADDITIONAL M4D
PRIMARY POND 46WAM)
440 foam*
B2/164
166 �
B3/15�2 44
B6/160
B24/146 163 ` -'
B11/16�2 171 '
CELL 2
PRIMARY
POND
CELL 3
SECONDARY
POND, ... �,_....
4LO a �-
�p B81 /51
5�2 168
B74/50
` � B100/34
B37/29 B'94/60 B97/61 66
B32/37
- B22/15
aV#Aeo
aWfom
4VVA0
��� C341C�70
v
SOIL
STOCKPILE
a7VA' .•. s s ' ,
�7 �-. dam,: - .'�Ts+i%�--, - _.7di�L r•=�.:. (4�/
140
B15/149
B53/47 �� �
634/145
142 B12/165
a
613/40
172
139
B35/155
141
'
B31/147
.• 665
B26/96
1 9
130
B42/150
B2+7/144
�
B78/124
B1U/43 B60/126
B50/143
B38/148
78
9 B51
/42 B71 /125
158
B49/111
=
� B44/80
672/157
176
B48/79
12.9
666/154
B54/110 B58/81
128
B6�2
B79/85
12,2
� • ,
675/84
- ` •
131
B83/153
83
B64
B67 � B88/97
100 B85/87
B90/94 95 98
86
13�2
B101/133
114 92 93
99 B93/101
689/89
300 0 300 600
Dagl,�0 C�CG� '
D�
NOTES:
ry
SR-2208 C
L?�c/l1�3 C3�Q P@
ANTIMONY ISOCONCENTRATION CONTOUR MAP - DEEP WELLS (D AND BRU)
DUKE ENERGY CAROLINAS, LLC
BUCK STEAM STATION ASH BASIN
z

0
0
x
to
R'
O
F
z
OU
z
O
qq
z ,
w
U
z
G�
C5
C�I
2
a 9a0�
F 0
U
9
m
,
o
w
w
z�w
w
J
a'iir�j
QI
IJIJ(/
U
UCJ:3
m
q�
U
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0
cD
x
a
a
i
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
6ttn�'�
CYCLE STATION��
r r�
tk
ASH
STORAGE
CELL 1
W"iY ADDITIONAL
PRIMARY POND
C
M
N
N
1
i
1
1
1 �
1
1 D�7041 7
1 D�1�0
L74'C3 qC�3
1 n �, nnnn
1
�'4'T 5 142 613/40
172
B
139
B35/155 141
B 3/175 B56/41
130
B42/150 B31/147 B26/96
� B65 1' 9
B38/148
B1U/43 B60/126
B50/143 78 a
B51/42 B71/125
B55/159 B49/111
B44/80
672/157
648/79
12.9
17
B54/110
658/81 B79/85
CD
B66/154 Bs`2 12�2
�'
128
B83/153
B59/82
B75/84
131
83
1
C3�Oglpk� ®�i 1 414141 � � � Ch10�J
4.9J
300 0 300 600
Iowa
CELL 3
SECONDARY
.,. POND Awlei%
8.2 (8.2 )
71
B81 /51
5�2 168
I L'11143h'J:l
L CJ(l UC`x�l
L'K5'Y/l1NJ
NOTES:
w
LEGEND:
m m m m
0
ANTIMONY ISOCONCENTRATION CONTOUR MAP - BEDROCK WELLS (BR)
DUKE ENERGY CAROLINAS, LLC
BUCK STEAM STATION ASH BASIN
z

ID
0
x
O
F_
o
�o
U
z fl
O
qq
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w
U G�
0 C5
a 9a0�
F 0
U 9
m Q
w
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w
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z
w
-
w
w
J
a
9�
O
a
a
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a
m
x
g
r
c�
w
w
z
w
w
`1
D
0
U
w
0
Ce
a
cD
x
a
a
65o i
GNAW
F
BUCK COMBINED
' CYCLE STAT IQN
r.
�. �fd Vie
-:gip [[i WhY T
Amn
9AMOL1e)
lwm
gA0 b'"
630 g6p � �
J
AM ouoew�ouoe�l
MOW" ADM
CELL 3
SECONDARY
POND
M4* p"
660
1 MD
:GJ
ADM ASH
• • • � � D STORAGE
CELL 1
ADDITIONAL M40
PRIMARY POND aAVA)
B2/164
166
B3/15�2 -
B19/156
B6/160
B24/146 163
B11/16�2 171
33.3 (30) 51, (530 )
a"
anon)
SOIL
STOCKPILE
140
B15/149
B53/47
634/145
B12/165
142
613/40
..
?
172
B76/127
139
B35/155
141
B31/147
B26/96
665
B56/41
1 ,g
130
B42/150
B2+7/144
�
B78/124
`
B1U/43 B60/126
B50/143
B38/148
78
9
B51
/42 B71 /125
B49/111
�
B44/80
158 B55/159
14
672/157
176
648/79
12-9
666/154
B54/110
B58/81 B79/85
B6�2
12�2
128
675'/84
BO9/82
131
B83/153
83
B64
B67 i DM9
100
085/87
B'90/94 95 98
86
13�2
B101/133
114 92 93
99
B93/101
DT9m
CELL 2
PRIMARY
POND
25
B39/26
a
B69/28
300 0 300 600
^10
mm
ff43R°.JJ
(�Q
Da�l,�0 C�CG�
D�
SR-2208 C
PT
l
B97/61 66
NOTES:
ry
ARSENIC ISOCONCENTRATION CONTOUR MAP - SHALLOW WELLS (S)
DUKE ENERGY CAROLINAS, LLC
BUCK STEAM STATION ASH BASIN
z

0
0
x
ui
O
F_
0
�0
U
z
O
W
U
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a 9a0�
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U
q�
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0
(7
x
a
a
c o
r BUCK STEAM
STATION COAL
FIRED UNITS 1-6
s 650
4vollow ,00.
r,
BUCK COMBINED
' CYCLE STATION�
ff
7,10
;''¢ �fd lid e•r _ r�,
aoryiOn"
ed Stream
of"u)
AND
IAVA)
I 1
1 1
1 1 q00
1 1
t 1
1 1 C�3
1 1
1 D�70q
6A0 bay
630 660 00
710 mu
QED Q
t2!um
dip oA
am(A004� ,
CELL 3 �
SECONDARY
POND
,,,,�'►10 .-•ter
a�'illa�oe�l�
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p""
a OLM
a� lam
ASH
STORAGE
CELL 1
ADDITIONAL M4D
PRIMARY POND aApff)
M4D
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CELL 2
PRIMARY
POND
O
GYA44D
W (IL2 ) C3gC70
OVA40
$AVA) V
410
SOIL
STOCKPILE
- L�Ji 4YJ�3 DqQ�
B29/3'9
22
� B28/36
44 B43/;
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BUCK STEAM STATION ASH BASIN
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B97/61 66
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NOTES:
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CJ
BARIUM ISOCONCENTRATION CONTOUR MAP - BEDROCK WELLS (BR)
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B97/61 66
NOTES:
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LEGEND:
CC
CADMIUM ISOCONCENTRATION CONTOUR MAP - SHALLOW WELLS (S)
DUKE ENERGY CAROLINAS, LLC
BUCK STEAM STATION ASH BASIN
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NOTES:
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DUKE ENERGY CAROLINAS, LLC
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C
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BUCK STEAM STATION ASH BASIN
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BUCK STEAM STATION ASH BASIN
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NOTES:
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TOTAL DISSOLVED SOLIDS ISOCONCENTRATION CONTOUR MAP - SHALLOW WELLS (S)
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NOTES:
TOTAL DISSOLVED SOLIDS ISOCONCENTRATION CONTOUR MAP - BEDROCK WELLS (BR)
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BUCK STEAM STATION ASH BASIN
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1.911 (1.611)
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B'97/61 66
r-g),n i-wn S
NOTES:
VANADIUM ISOCONCENTRATION CONTOUR MAP - DEEP WELLS (D AND BRU)
DUKE ENERGY CAROLINAS, LLC
BUCK STEAM STATION ASH BASIN
z

U
12.
BUCK COMBINED
CYCLE STATION
1 _ k\ n li, .. -./ :.
0
0
x
to
R'
O
F
z
OU
z
O
qq
z ,
w
U
z
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C5
O
2
a 9a0�
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1
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1
1
1
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N
1
i
1
1
1 �
1
1 D�7041 7
1 D�1�0
_ 4'C3 qC�3
1 n �, nnnn
1
CELL 1
ADDITIONAL
PRIMARY PON
24.9 (29J 1
ASH
DRAGE
�'4'T 5 142 613/40
172
B
139
B35/155 141
B 3/175 B56/41
130
B42/150 B31/147 B26/96
� B65 1' 9
B38/148
B1U/43 B60/126
B50/143 78 a
B51/42 B71/125
B55/159 B49/111 �
B44/80
672/157
648/79
12.9
17
B54/110
658/81 B79/85
CD
B66/154 Bs`2 12�2
� •
cli 128
B83/153
B59/82
B75/84
131
83
1
C3�Oglpk� ®�i 1 414141 � � � Ch10�J
54.6J (122 )
CELL 2
PRIMARY
POND
300 0 300 600
60
t � y
SECONDARY 1�w �
POND aar% amain
1
� 71
B81 /51
5�2 168
� B74/50
i B1FBI FBI
/34
� ' B37/29 B94/60 B97/61 66
�i B32/37
B22/15
64
B86/33 6`2
B33/48
B41/49 B96/58 59
B73/32
B40/30 31
NOTES:
w
LEGEND:
CC
VANADIUM ISOCONCENTRATION CONTOUR MAP - BEDROCK WELLS (BR)
DUKE ENERGY CAROLINAS, LLC
BUCK STEAM STATION ASH BASIN
z

LEGEND
CAMAASSESSMENT
GROUNDWATER MONITORING WELL
NPDES COMPLIANCE
GROUNDWATER MONITORING WELL
NPDES VOLUNTARY GROUNDWATER
MONITORING WELL
LANDFILL GROUNDWATER
MONITORING WELL
®
WATER SUPPLY WELLS - NOT
SAMPLED BY DEQ
WATER SUPPLY WELLS - SAMPLED
BY DEQ
DUKE ENERGY PROPERTY
®
BOUNDARY
ASH BASIN WASTE BOUNDARY
ASH STORAGE AREA
ASH BASIN COMPLIANCE
BOUNDARY
ASH BASIN COMPLIANCE
BOUNDARY COINCIDENT WITH
DUKE ENERGY PROPERTY
BOUNDARY
0.5 MILE OFFSET FROM ASH BASIN
COMPLIANCE BOUNDARY
10' TOPOGRAPHY
TRANSECTS
a
I�
s
NOTES:
1. AERIAL IMAGERY IS A COMBINATION OF NC ONEMAP (2010) AND A WSP AERIAL SURVEY (2014)
2. TEN FOOT TOPOGRAPHICAL CONTOURS OBTAINED FROM 2015 WSP SURVEY DATA
2. PARCEL DATA FOR THE SITE WAS OBTAINED FROM DUKE ENERGY REAL ESTATE AND IS APPROXIMATE
3. THE COMPLIANCE BOUNDARY IS ESTABLISHED ACCORDING TO THE DEFINITION FOUND IN 15A NCAC
02L .0107 (a)
4. WASTE BOUNDARY IS APPROXIMATE
5. AS -BUILT CAMA ASSESSMENT AND NPDES SERIES MONITORING WELLS ARE PROVIDED BY DUKE
ENERGY, WSP, AND OTHERS
6. EPA RULE CCR WELL LOCATIONS AND CAMA H/V DELINEATION WELL LOCATIONS (BLUE LABELS) ARE
APPROXIMATE AND HAVE NOT BEEN SURVEYED
7. LIGHT GREEN LABELS INDICATE AN ADDITIONAL ASSESSMENT WELL COMPLETED POST-CSA
I .
GWA-11 S ,d
GWA-11 D
0 500 1,000 1,500
Feet
AB-4S464BR -
AB-40RL. - AB-4SL '.
AB
" GW,A\-2S �Q
IrGWA-2BRU `` r
I-1 D SAS-1 D - - 0 D • 1 �III, MW-12D `
AS-1 S GWA-2BR MW-12S
VIC
S-2D
L
,:2 GWA 15D
AS-3S'AgFAS-3D GWA-14BR
GWA-146GWA=14S
a
A�� 'fit
r x
k d7
`.
v
A
SITE CROSS SECTION LOCATIONS DATE
DUKE ENERGY CAROLINAS, LLC AUGUST 2016
BUCK STEAM STATION
FIGURE
ROWAN COUNTY, NORTH CAROLINA 3-5.1

i
0
0
WEST
750
700
650
0
a
LJO
t:,0
03
GWA-1
GWA-10D-
/AB-2D
7 AB-2BR� AB-2SL
CELL 1
AREA OF 2L
EXCEEDANCES
\ Lithology REC ROD OF BORON
0 to 100 0 to 100 AND SULFATE �-
REC ROD /
SECTION
SCALE: HOKE 1"=120'
VERT 1" 30'
"RECRQDLithologyI
NOTES:
1.
GROUND WATER LEVEL MEASUREMENTS WERE TAKEN ON JUNE 17, 2016. DEPTH TO WATER WAS MEASURED
WITH AN ELECTRIC PROBE FROM BELOW TOP OF CASING AND WAS RECORDED WITHIN 0.01 FEET. WATER
LEVELS PRESENTED ON CROSS SECTIONS ARE FROM SHALLOW WELLS ONLY AND REPRESENT THE WATER
TABLE. WATER TABLE SYMBOLOGY IS PRESENTED BELOW.
STRATIGRAPHY LEGEND
STRATIGRAPHY LEGEND
2.
=
RECOVERY (REC) AND ROCK QUALITY DESIGNATION (ROD) ARE MEASUREMENTS OF THE QUALITY OF ROCK
LITHOLOGY — RECOVERY (REC) — ROCK QUALITY
DESIGNATION (ROD) CHART WITH DEPTHS NOTED
AREA OF 2LEXCEEDANCES
(DASHED WHERE
©
ASH
CORE RECOVERED FROM A BOREHOLE.
R E C RQD
INFERRED)
Lithology
3.
STANDARD PENETRATION TESTING (SPT), REC AND ROD WERE THE PRIMARY SOURCES OF DATA USED IN THE
0 t0 100 Q t0 100
FILL
DETERMINATION/ASSIGNMENT OF HYDROSTRATIGRAPHIC LAYERS TO NATURAL MATERIALS (ALLUVIUM, SOIL,
SAPROLITE, AND ROCK) IN A BOREHOLE; IN CASES WHERE SPT WAS NOT PERFORMED AND WHERE REC
saes (saz.a)
SOIL/SAPROLITE WHERE FIELD BLOWCOUNTS
AND/OR ROD DATA WERE UNAVAILABLE DUE TO DRILLING METHOD, THE NATURAL MATERIALS WERE ASSIGNED
(N—VALUE) MEASURED
DURING STANDARD
TO A HYDROSTRATIGRAPHIC LAYER BASED ON A REVIEW OF THE BOREHOLE LOG, FIELD PHOTOGRAPHS, AND
LITHOLOGY LEGEND
❑
PENETRATION TESTING
(SPT) IS LESS THAN 50
GEOLOGIC JUDGMENT. PLEASE REFER TO THE HYDROSTRATI GRAPHIC LEGEND FOR MORE DETAILS.
160.0 (529.3)
BLOWS PER FOOT (I.E.
N<50 BPF)
4.
ADDITIONAL CSA GROUNDWATER MONITORING WELLS WERE INSTALLED VIA SONIC DRILLING; AS SUCH, ROD
CAN NOT BE DETERMINED DUE TO THIS DRILLING METHOD AND ARE THEREFORE NOT PRESENTED FOR NEWLY
'—
_
FELSIC METAVOLCANIC
❑
SAPROLITE/WEATHERED
BEE OR REC <50%
ROCK WHERE N>50.
INSTALLED WELLS.
5.
TOP OF CASING IS NOT PRESENTED HEREIN FOR WELL CONSTRUCTION GRAPHICS. PLEASE SEE APPENDIX H
ieoo (sos.a) —\
INTERMEDIATE METAVOLCANIC
®
PARTIALLY WEATHERED
ROCK WHERE
OF THE COMPREHENSIVE SITE ASSESSMENT (AUGUST, 2015) AND APPENDIX A OF CSA SUPPLEMENT 2 FOR
RECOVERY >50% AND
ROD <50%
WELL CONSTRUCTION RECORDS AND GEOLOGIC BORING LOGS.
SOUND5ROCK WHERE
REC > 85% AND
6.
BEDROCK (BR —DESIGNATED) WELLS WERE SCREENED ACROSS INTERPRETED WATER —BEARING FRACTURE
MARC METAVOLCANIC
ZONES BASED ON EXAMINATION OF THE ROCK CORE AND ROCK PACKER TESTING WHERE PERFORMED,
isss (asza)
F)l
HDR Engineering, Inc. of the Carolinas
N.C.B.E.L.S. License Number: F-0116
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
704.338.6700
PROJECT MANAGER
DRAWN BY:
L. MCCAUL
DESIGNED BY:
-
CHECKED BY:
APPROVED BY:
-
ISSUE DATE DESCRIPTION
PROJECT NUMBER
000000000266804
NOT FOR
CONSTRUCTION
DUKE ENERGY CAROLINAS,LLC
(' DUKE BUCK STEAM STATION
ENERGY
ROWAN COUNTY NORTH CAROLINA
75Q
700
M
L0
rM
650
ILL
LD
LJ
0
z
M
H
a
600 M
550
500
WELL GRAPHIC LEGEND
AS-2D
WELL C
>CREEN
ROUT BACI
CROSS SECTION A -A'
0 1" 2"
FILENAME FIGURE 3-5.2.DWG SHEET
SCALE AS NOTED 3-5.2
Io
IC
I
IA

I
EAST
750 F_
A'
WEST
750
0
AB-4BRU AB-9BRU
700 AB-4BR AB-4SL AB-5BRU AB-5SL CELL 2 AB 9BR 700
AB.-4S. AB-5S
04 —
GWA-5BRU
Ui - GWA- S
I
M
W
K
7
ti
650 650
W
W
V) _,-------------
Lz __--.—_._
Z
J
= w
Q w
600 600
Lithology RED ROD
0 to 100 0 to 100
550 _ 550
-�— -- REC RQD - ___ was oer REC RQD REC RQD
Lithology 0 to 100 0 to 100 _1H 0 to 100 0 to 100 Lithology 0,0100
to100 0 to 100
500 500
3200 3400 3600 3800 4000 4200 4400 4600 480C 5000 5200 5400 5600 5800 6000
DISTANCE (ft)
SECTION
SCALE' PORE, 1 "=120' 11-1
VERT 1" 30'
NOTES:
1. GROUND WATER LEVEL MEASUREMENTS WERE TAKEN ON JUNE 17, 2016. DEPTH TO WATER WAS MEASURED
WITH AN ELECTRIC PROBE FROM BELOW TOP OF CASING AND WAS RECORDED WITHIN 0.01 FEET. WATER
LEVELS PRESENTED ON CROSS SECTIONS ARE FROM SHALLOW WELLS ONLY AND REPRESENT THE WATER
TABLE. WATER TABLE SYMBOLOGY IS PRESENTED BELOW.
v
2. RECOVERY (REC) AND ROCK QUALITY DESIGNATION (RQD) ARE MEASUREMENTS OF THE QUALITY OF ROCK
CORE RECOVERED FROM A BOREHOLE.
3. STANDARD PENETRATION TESTING (SPT), REC AND RQD WERE THE PRIMARY SOURCES OF DATA USED IN THE
DETERMINATION/ASSIGNMENT OF HYDROSTRATIGRAPHIC LAYERS TO NATURAL MATERIALS (ALLUVIUM, SOIL,
SAPROLITE, AND ROCK) IN A BOREHOLE; IN CASES WHERE OPT WAS NOT PERFORMED AND WHERE REC
AND/OR RQD DATA WERE UNAVAILABLE DUE TO DRILLING METHOD, THE NATURAL MATERIALS WERE ASSIGNED
TO A HYDROSTRATIGRAPHIC LAYER BASED ON A REVIEW OF THE BOREHOLE LOG, FIELD PHOTOGRAPHS, AND
GEOLOGIC JUDGMENT. PLEASE REFER TO THE HYDROSTRATI GRAPHIC LEGEND FOR MORE DETAILS.
4. ADDITIONAL CSA GROUNDWATER MONITORING WELLS WERE INSTALLED VIA SONIC DRILLING; AS SUCH, RQD
CAN NOT BE DETERMINED DUE TO THIS DRILLING METHOD AND ARE THEREFORE NOT PRESENTED FOR NEWLY
INSTALLED WELLS.
5. TOP OF CASING IS NOT PRESENTED HEREIN FOR WELL CONSTRUCTION GRAPHICS. PLEASE SEE APPENDIX H
OF THE COMPREHENSIVE SITE ASSESSMENT (AUGUST, 2015) AND APPENDIX A OF CSA SUPPLEMENT 2 FOR
WELL CONSTRUCTION RECORDS AND GEOLOGIC BORING LOGS.
6. BEDROCK (BR -DESIGNATED) WELLS WERE SCREENED ACROSS INTERPRETED WATER -BEARING FRACTURE
ZONES BASED ON EXAMINATION OF THE ROCK CORE AND ROCK PACKER TESTING WHERE PERFORMED,
F)l
HDR Engineering, Inc. of the Carolinas
N.C.B.E.LS. License Number: F-0116
440 S. Church Street, Suite 900
Chariotte, NC 28202-2075
704,338.6700
I ITHOLOGY - RECOVERY (REC) - ROCK QUALITY
DESIGNATION (RQD) CHART WITH DEPTHS NOTED
Lithology REC RQD
D t0 100 0 t0 100
146.5 (542.8)
160.0 (U2 )
imc (s09.3)
19s1 (49 )
PROJECT MANAGER
DRAWN BY:
L. MCCAUL
DESIGNED BY:
-
CHECKED BY:
APPROVED BY:
-
ISSUE DATE DESCRIPTION
PROJECT NUMBER
000000000266804
STRATIGRAPHY LEGEND
ASH
F __
ALLUVIUM
SOIL/SAPROLITE WHERE
FIELD BLOWCOUNTS
(N-VALUE) MEASURED
DURING STANDARD
LITHOLOGY LEGEND
PENETRATION TESTING
(SPT) IS LESS THAN 50
BLOWS PER FOOT (I.E.
N<50 BEE)
`h
.�
£Chi
FELSIC METAVOLCANIC
SAPROLITE/WEATHERED
SEE OR REC <50%
ROCK WHERE N>50
■ INTERMEDIATE METAVOLCANIC
❑
PARTIALLY WEATHERED
RECOVERY >50% AND
ROCK WHERE
RQD <50%
■ MARC METAVOLCANIC
❑
SOUND ROCK WHERE
RQD >50%
REC > 85% AND
NOT FOR
CONSTRUCTION
DUKE ENERGY CAROLINAS,LLC
(' DUKE BUCK STEAM STATION
ENERGY
ROWAN COUNTY NORTH CAROLINA
WELL GRAPHIC LEGEND
AB-9BR
WELL C
>CREEN
ROUT BACI
CROSS SECTION A -A'
0 ill 2,, FILENAME FIGURE 3-5.3.DWG SHEET SCALE AS NOTED 3-5.3
ID
IC
I
IA

B
SOUTH
750
700
650
0
w
600
550
500
450
0
200
400
600
800
NOTES:
i. GROUND WATER LEVEL MEASUREMENTS WERE TAKEN ON JUNE 17, 2016. DEPTH TO WATER WAS MEASURED
WITH AN ELECTRIC PROBE FROM BELOW TOP OF CASING AND WAS RECORDED WITHIN 0.01 FEET. WATER
LEVELS PRESENTED ON CROSS SECTIONS ARE FROM SHALLOW WELLS ONLY AND REPRESENT THE WATER
TABLE. WATER TABLE SYMBOLOGY IS PRESENTED BELOW.
v
2. RECOVERY (REC) AND ROCK QUALITY DESIGNATION (ROD) ARE MEASUREMENTS OF THE QUALITY OF ROCK
CORE RECOVERED FROM A BOREHOLE.
3. STANDARD PENETRATION TESTING (SPT), REC AND ROD WERE THE PRIMARY SOURCES OF DATA USED IN THE
DETERMINATION/ASSIGNMENT OF HYDROSTRATIGRAPHIC LAYERS TO NATURAL MATERIALS (ALLUVIUM, SOIL,
SAPROLITE, AND ROCK) IN A BOREHOLE; IN CASES WHERE SPT WAS NOT PERFORMED AND WHERE REC
AND/OR ROD DATA WERE UNAVAILABLE DUE TO DRILLING METHOD, THE NATURAL MATERIALS WERE ASSIGNED
TO A HYDROSTRATIGRAPHIC LAYER BASED ON A REVIEW OF THE BOREHOLE LOG, FIELD PHOTOGRAPHS, AND
GEOLOGIC JUDGMENT. PLEASE REFER TO THE HYDROSTRATI GRAPHIC LEGEND FOR MORE DETAILS.
4. ADDITIONAL CSA GROUNDWATER MONITORING WELLS WERE INSTALLED VIA SONIC DRILLING; AS SUCH, ROD
CAN NOT BE DETERMINED DUE TO THIS DRILLING METHOD AND ARE THEREFORE NOT PRESENTED FOR NEWLY
INSTALLED WELLS.
5. TOP OF CASING IS NOT PRESENTED HEREIN FOR WELL CONSTRUCTION GRAPHICS. PLEASE SEE APPENDIX H
OF THE COMPREHENSIVE SITE ASSESSMENT (AUGUST, 2015) AND APPENDIX A OF CSA SUPPLEMENT 2 FOR
WELL CONSTRUCTION RECORDS AND GEOLOGIC BORING LOGS.
6. BEDROCK (BR -DESIGNATED) WELLS WERE SCREENED ACROSS INTERPRETED WATER -BEARING FRACTURE
ZONES BASED ON EXAMINATION OF THE ROCK CORE AND ROCK PACKER TESTING WHERE PERFORMED,
B'
NORTH
2D
?S
1000 1200
1400 1600
1800 2000
DISTANCE (ft)
SECTION
AI E: HORIZ 1"=120'
11-,
VERT 1-50'
GENERAL
LEGEND
STRATIGRAPHY LEGEND
LITHOLOGY -
DESIGNATION (RQD)
RECOVERY (REC) - ROCK QUALITY
CHART WITH DEPTHS NOTED
AREA OF 21
EXCEEDANCES
(DASHED WHERE
LMI
ASH
REC ROD
NFERRED)
Lith ology
Q
to 100 0 t0 100
FILL
lass (saes)
SOIL/SAPROLITE WHERE FIELD BLOWCOUNTS
(N-VALUE) MEASURED
DURING STANDARD
LITHOLOGY
LEGEND
PENETRATION TESTING
(SPT) IS LESS THAN 50
16o.c (529.5)
BLOWS PER FOOT (I.E.
N<50 BEE)
FELSIC METAVO LCANIC
❑
SAPROLITE/WEATHERED
BPF OR REC <50%
ROCK WHERE N>50
iao.c (5o9.a)
INTERMEDIATE METAVOLCANIC
■
PARTIALLY WEATHERED
RECOVERY >50% AND
ROCK WHERE
ROD <50%
•
MAFIC METAVOLCANIC
❑
SOUND ROCK WHERE
ROD >50%
REC > 85% AND
196.5 (492.8)
PROJECT MANAGER
DRAWN BY: L. MCCAUL
DESIGNED BY: -
HDR Engineering, Inc. of the Carolinas
CHECKED BY:
N.C.B.E.LS. License Number: F-0116 APPROVED BY: -
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
IM)l 704.338.6700
ISSUE DATE DESCRIPTION PROJECT NUMBER 000000000266804
NOT FOR
CONSTRUCTION
DUKE ENERGY CAROLINAS,LLC
,(' DUKE BUCK STEAM STATION
ENERGY
ROWAN COUNTY NORTH CAROLINA
WELL GRAPHIC LEGEND
AB-3D
WELL C
SCREEN
ROUT BACI
CROSS SECTION B-B'
0 1" 2- FILENAME FIGURE 3-5.4.DWG SHEET SCALE AS NOTED 3-5.4
ID
IC
I
IA

8
B B'
SOUTH NORTH
750 1 1 750
AB-1D GWA-9S
GWA-9BR
700 GWA-9D 700
GWA- T9S
GWA-19D
vL__—_-----___.______________
650 650
0
r j �-
w
It
AREA OF 2L X
w EXCEEDANCES
wLd J OF BORON AND
U) 600 SULFATE 600
L
z
J %
2
QREC ROD
U.-gy 0 to 100 0 to 100
REC
Lithology 0 to 100 � /
550 - - - a..o,wo. 550
Ins
Ins
500 500
-\-_
Ed
450 200 2400 M•'2600 2800 3000 3200 3400 3600 3800 4000 450
DISTANCE (ft)
Lithology REC ROD
0 to 100 0 to 100
SECTION
SCALE: HORIZ 1"=120' 11-1
aoo„sn VERT 1 "=50'
NOTES:
i.
GROUND WATER LEVEL MEASUREMENTS WERE TAKEN ON JUNE 17, 2016. DEPTH TO WATER WAS MEASURED
WITH AN ELECTRIC PROBE FROM BELOW TOP OF CASING AND WAS RECORDED WITHIN 0.01 FEET. WATER
LEVELS PRESENTED ON CROSS SECTIONS ARE FROM SHALLOW WELLS ONLY AND REPRESENT THE WATER
TABLE. WATER TABLE SYMBOLOGY IS PRESENTED BELOW.
v_
I ITHOLOGY - RECOVERY (REC) - ROCK QUALITY
2.
RECOVERY (REC) AND ROCK QUALITY DESIGNATION (RQD) ARE MEASUREMENTS OF THE QUALITY OF ROCK
DESIGNATION (ROD) CHART WITH DEPTHS NOTED
CORE RECOVERED FROM A BOREHOLE.
R E C R Q D
Lithology
3.
STANDARD PENETRATION TESTING (SPT), REC AND ROD WERE THE PRIMARY SOURCES OF DATA USED IN THE
0 t0 100 0 t0 100
DETERMINATION/ASSIGNMENT OF HYDROSTRATIGRAPHIC LAYERS TO NATURAL MATERIALS (ALLUVIUM, SOIL,
SAPROLITE, AND ROCK) IN A BOREHOLE; IN CASES WHERE SPT WAS NOT PERFORMED AND WHERE REC
14e-5 (542-8)
AND/OR ROD DATA WERE UNAVAILABLE DUE TO DRILLING METHOD, THE NATURAL MATERIALS WERE ASSIGNED
TO A HYDROSTRATIGRAPHIC LAYER BASED ON A REVIEW OF THE BOREHOLE LOG, FIELD PHOTOGRAPHS, AND
GEOLOGIC JUDGMENT. PLEASE REFER TO THE HYDROSTRATI GRAPHIC LEGEND FOR MORE DETAILS.
160.c (52es)
4.
ADDITIONAL CSA GROUNDWATER MONITORING WELLS WERE INSTALLED VIA SONIC DRILLING; AS SUCH, ROD
CAN NOT BE DETERMINED DUE TO THIS DRILLING METHOD AND ARE THEREFORE NOT PRESENTED FOR NEWLY
INSTALLED WELLS.
5.
TOP OF CASING IS NOT PRESENTED HEREIN FOR WELL CONSTRUCTION GRAPHICS. PLEASE SEE APPENDIX H
'wc (e ,)
OF THE COMPREHENSIVE SITE ASSESSMENT (AUGUST, 2015) AND APPENDIX A OF CSA SUPPLEMENT 2 FOR
WELL CONSTRUCTION RECORDS AND GEOLOGIC BORING LOGS.
6.
BEDROCK (BR -DESIGNATED) WELLS WERE SCREENED ACROSS INTERPRETED WATER -BEARING FRACTURE
ZONES BASED ON EXAMINATION OF THE ROCK CORE AND ROCK PACKER TESTING WHERE PERFORMED.
1965 (4e2.a)
PROJECT MANAGER
DRAWN BY: L. MCCAUL
DESIGNED BY: -
HDR Engineering, Inc. of the Carolinas
CHECKED BY:
N.C.B.E.L.S. License Number: F-0116 APPROVED BY: -
440 S. Church Street, Suite 900
Chariotte, NC 28202-2075
704,338.6700
ISSUE DATE DESCRIPTION PROJECT NUMBER 000000000266804
GENERAL
LEGEND
STRATIGRAPHY LEGEND
AREA OF 2L
EXCEEDANCES
ASH
WELL C
(DASHED WHERE
INFERRED)
■
FILL
SOIL/SAPROLITE WHERE
FIELD BLOWCOUNTS
(N-VALUE) MEASURED
DURING STANDARD
_THOLOGY LEGEND
PENETRATION TESTING
(SPT) IS LESS THAN 50
BLOWS PER FOOT (I.E.
N<50 BEE)
FELSIC METAVOLCANIC
❑
SAPROLITE/WEATHERED ROCK WHERE N>50
BPF OR REC <50%
INTERMEDIATE METAVOLCANIC
®
PARTIALLY WEATHERED
RECOVERY >50% AND
ROCK WHERE
ROD <50%
®
MARC METAVOLCANIC
SOUND ROCK WHERE
ROD >50%
REG > 85% AND
.E OUT JBACI
NOT FOR
CONSTRUCTION
DUKE ENERGY CAROLINAS,LLC
(' DUKE BUCK STEAM STATION
ENERGY
ROWAN COUNTY NORTH CAROLINA
WELL GRAPHIC LEGEND
AB-1D
SCREEN
CROSS SECTION B-B'
0 1" 2^ FILENAME FIGURE 3-5.4.DWG SHEET SCALE AS NOTED 3-5.5
IIIIIIIIIIIIIIIIIC
IIIIIIIIIIIIIII11W
WW1

C
SOUTH
750 �
700
650
z
0
a
w
w
600
550
GWA-2BR
GWA-2BRU
-GWA-I4BR GWA-15S GWA-2S
-GWA-14S GWA-15D ez
-------------------------- - - - - - - - - - - - - - - - - - - - - - - - - - - - - ---------------------------
Lithology 0 to 100
REC
Lithology 0 to 100
,anima �
REC ROD
umology 0 to 100 0 to 100
0 200 400 600 800 1000 1200 1400 1600 1800 2000 2200
DISTANCE (ft)
SECTION
SCALE: HORIZ 1"=120' it-1
VERT 1"=30'
NOTES:
1. GROUND WATER LEVEL MEASUREMENTS WERE TAKEN ON JUNE 17, 2016. DEPTH TO WATER WAS MEASURED
WITH AN ELECTRIC PROBE FROM BELOW TOP OF CASING AND WAS RECORDED WITHIN 0.01 FEET. WATER
LEVELS PRESENTED ON CROSS SECTIONS ARE FROM SHALLOW WELLS ONLY AND REPRESENT THE WATER
TABLE. WATER TABLE SYMBOLOGY IS PRESENTED BELOW.
v
2. RECOVERY (REC) AND ROCK QUALITY DESIGNATION (RQD) ARE MEASUREMENTS OF THE QUALITY OF ROCK
CORE RECOVERED FROM A BOREHOLE.
3. STANDARD PENETRATION TESTING (SPT), REC AND RQD WERE THE PRIMARY SOURCES OF DATA USED IN THE
DETERMINATION/ASSIGNMENT OF HYDROSTRATIGRAPHIC LAYERS TO NATURAL MATERIALS (ALLUVIUM, SOIL,
SAPROLITE, AND ROCK) IN A BOREHOLE; IN CASES WHERE SPT WAS NOT PERFORMED AND WHERE REC
AND/OR RQD DATA WERE UNAVAILABLE DUE TO DRILLING METHOD, THE NATURAL MATERIALS WERE ASSIGNED
TO A HYDROSTRATIGRAPHIC LAYER BASED ON A REVIEW OF THE BOREHOLE LOG, FIELD PHOTOGRAPHS, AND
GEOLOGIC JUDGMENT. PLEASE REFER TO THE HYDROSTRATI GRAPHIC LEGEND FOR MORE DETAILS.
4. ADDITIONAL CSA GROUNDWATER MONITORING WELLS WERE INSTALLED VIA SONIC DRILLING; AS SUCH, RQD
CAN NOT BE DETERMINED DUE TO THIS DRILLING METHOD AND ARE THEREFORE NOT PRESENTED FOR NEWLY
INSTALLED WELLS.
5. TOP OF CASING IS NOT PRESENTED HEREIN FOR WELL CONSTRUCTION GRAPHICS. PLEASE SEE APPENDIX H
OF THE COMPREHENSIVE SITE ASSESSMENT (AUGUST, 2015) AND APPENDIX A OF CSA SUPPLEMENT 2 FOR
WELL CONSTRUCTION RECORDS AND GEOLOGIC BORING LOGS.
6. BEDROCK (BR -DESIGNATED) WELLS WERE SCREENED ACROSS INTERPRETED WATER -BEARING FRACTURE
ZONES BASED ON EXAMINATION OF THE ROCK CORE AND ROCK PACKER TESTING WHERE PERFORMED.
HDR Engineering, Inc. of the Carolinas
N.C.B.E.L.S. License Number: F-0116
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
704,338.6700
LITHLOLOGY - RECOVERY (REC) - ROCK QUALITY
DESIGNATIQN (RQD) CHART WITH DEPTHS NOTED
Llthology REC RQD
0 to 100 0 to 100
146.5 (5 c)
160.0 (529.3)
1a0.0 (509.3)
198.5 (492.5)
PROJECT MANAGER
DRAWN BY:
L. MCCAUL
DESIGNED BY:
-
CHECKED BY:
APPROVED BY:
-
ISSUE DATE DESCRIPTION
PROJECT NUMBER
000000000266804
C'
NORTH
� 750
w
W
Z
2
U
600 Q
550
500
STRATIGRAPHY LEGEND
®
ASH
■
FILL
SOIL/SAPROUTE WHERE
FIELD BLOWCOUNTS
(N-VALUE) MEASURED
DURING STANDARD
LITHOLOGY LEGEND
71
PENETRATION TESTING
(SPT) IS LESS THAN 50
BLOWS PER FOOT (I.E.
N<50 BPF)
-`-`-`
--M-�-]
FELSIC METAVOLCANIC
SAPROLITE/WEATHERED ROCK WHERE N>50
BPF OR REC <50%
® INTERMEDIATE METAVOLCANIC
®
PARTIALLY WEATHERED
RECOVERY >50% AND
ROCK WHERE
RQD <50%
MARC METAVOLCANIC
SOUND ROCK WHERE
RQD >50%
REC > 85% AND
NOT FOR
CONSTRUCTION
DUKE ENERGY CAROLINAS,LLC
(' DUKE BUCK STEAM STATION
ENERGY
ROWAN COUNTY NORTH CAROLINA
WELL GRAPHIC LEGEND
GWA-15D
WELL C
SCREEN
OUT 3ACI
CROSS SECTION C-C'
0 1^ 2- FILENAME FIGURE 3-5.6.DWG SHEET SCALE AS NOTED 3-5
'6
ID
IC
I
IA

Lithology REC ROD
0 to 100 0 to 100
NR
G
1
C
SOUTH
750 r
n 700
� All
5S
AB-5SL AB-6BRU
650
0
w
600
REC ROD
Lithology 0 to 100 0 to 100
500
2400 2600 2800
NOTES:
1. GROUND WATER LEVEL MEASUREMENTS WERE TAKEN ON JUNE 17, 2016. DEPTH TO WATER WAS MEASURED
WITH AN ELECTRIC PROBE FROM BELOW TOP OF CASING AND WAS RECORDED WITHIN 0.01 FEET. WATER
LEVELS PRESENTED ON CROSS SECTIONS ARE FROM SHALLOW WELLS ONLY AND REPRESENT THE WATER
TABLE. WATER TABLE SYMBOLOGY IS PRESENTED BELOW.
v
2. RECOVERY (REC) AND ROCK QUALITY DESIGNATION (ROD) ARE MEASUREMENTS OF THE QUALITY OF ROCK
CORE RECOVERED FROM A BOREHOLE.
3. STANDARD PENETRATION TESTING (SPT), REC AND RQD WERE THE PRIMARY SOURCES OF DATA USED IN THE
DETERMINATION/ASSIGNMENT OF HYDROSTRATIGRAPHIC LAYERS TO NATURAL MATERIALS (ALLUVIUM, SOIL,
SAPROLITE, AND ROCK) IN A BOREHOLE; IN CASES WHERE SPT WAS NOT PERFORMED AND WHERE REC
AND/OR RQD DATA WERE UNAVAILABLE DUE TO DRILLING METHOD, THE NATURAL MATERIALS WERE ASSIGNED
TO A HYDROSTRATIGRAPHIC LAYER BASED ON A REVIEW OF THE BOREHOLE LOG, FIELD PHOTOGRAPHS, AND
GEOLOGIC JUDGMENT. PLEASE REFER TO THE HYDROSTRATIGRAPHIC LEGEND FOR MORE DETAILS.
4. ADDITIONAL CSA GROUNDWATER MONITORING WELLS WERE INSTALLED VIA SONIC DRILLING; AS SUCH, RQD
CAN NOT BE DETERMINED DUE TO THIS DRILLING METHOD AND ARE THEREFORE NOT PRESENTED FOR NEWLY
INSTALLED WELLS.
5. TOP OF CASING IS NOT PRESENTED HEREIN FOR WELL CONSTRUCTION GRAPHICS. PLEASE SEE APPENDIX H
OF THE COMPREHENSIVE SITE ASSESSMENT (AUGUST, 2015) AND APPENDIX A OF CSA SUPPLEMENT 2 FOR
WELL CONSTRUCTION RECORDS AND GEOLOGIC BORING LOGS.
6. BEDROCK (BR -DESIGNATED) WELLS WERE SCREENED ACROSS INTERPRETED WATER -BEARING FRACTURE
ZONES BASED ON EXAMINATION OF THE ROCK CORE AND ROCK PACKER TESTING WHERE PERFORMED.
`r
I
3000 3200 3400
DISTANCE (ft)
SECTION C
SCALE: HORIZ 1"=120' L=IJ
VERT 1"=30'
LITHOLOGY - RECOVERY (REC) - ROCK QUALITY
DESIGNATION (ROD) CHART WITH DEPTHS NOTED
Lithology REC RQD
0to100 0to100
14 5 (M2.8)
16a0 (5se.3)
lamo (5oe.3)
19&5 (N2e)
PROJECT MANAGER
DRAWN BY: L.MCCAUL
DESIGNED BY:IM)l -
HDR Engineering, Inc. ofthe Carolinas
CHECKED BY: -
N.C.B.E.L.S. License Number: F-0116 APPROVED BY: -
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
704.338.6700
ISSUE DATE DESCRIPTION PROJECT NUMBER 000000000266804
I
o I ,
C.
NORTH
750
700
FORMER ASH GWA-12D
SLUICE LINE
GWA-12S
650
REC ROD
Lithology 0 to 100 0 to 100
600
550
500
3600 3800 4000 4200 4400
STRATIGRAPHY LEGEND
ASH
■
FILL
SOIL/SAPROLITE WHERE FIELD BLOWCOUNTS
(N—VALUE) MEASURED DURING STANDARD
LITHOLOGY
LEGEND
IS S THAN 50
PERNFOOTT
BLOWPENS
(I E.TING(N<50 Bp �
ate_
�x
FELSIC METAVOLCANIC
SAPROLITE/WEATHERED ROCK WHERE N>50
BPF OR REC <50%
—
INTERMEDIATE METAVOLCANIC
PARTIALLY WEATHERED ROCK WHERE
RECOVERY >50% AND RQD <50%
MARC METAVOLCANIC ❑
SOUND ROCK WHERE REC > 85% AND
RQD >50%
NOT FOR
CONSTRUCTION
DUKE ENERGY CAROLINAS,LLC
(' DUKE BUCK STEAM STATION
ENERGY
ROWAN COUNTY NORTH CAROLINA
WELL C
GROUT BACI
1
;CREEN
CROSS SECTION C-C'
0 1" 2,, FILENAME I FIGURE 3-5.6.DWG SHEET
SCALE AS NOTED 3-5.7
� C
� L

.100
ti�
J
'o ��o
Jy
Q
ti
20 00
��.. AB-4SL
<O�
Z
oam �o
MW-riRR
�0 cP0 00 y0 1-0 O
O
Calcium
CATIONS
ryo
L-1
U
Background Wells
Porewater
©
Area of Wetness
10
Surface Water
Chloride+Nitrogen, NO2 plus NO3
ANIONS
0
Samples with a charge balance error (CBE) of < 10% are shown. See companion table for CBE calculations.
NOTE: Nitrate plus Nitrite was reported by the laboratory and is used here. Equivalent weight of 62 used (assumes mostly nitrate).
DATE
PIPER DIAGRAM - BACKGROUND GROUNDWATER,
POREWATER, AREAS OF WETNESS, AND SURFACE WATER AUGUST 2016
DUKE ENERGY CAROLINAS, LLC RGURE
BUCK STEAM STATION ASH BASIN 3-6.1
ROWAN COUNTY, NORTH CAROLINA

,°o
C°
�o
y
AB-4SL
<O _
oam �o
�r aa—E
s
> Shallow Wells
Porewater
a-ss �3 Area of Wetness
Surface Water
p0
ti�
0
Calcium
CATIONS
Chloride+Nitrogen, NO2 plus NO3
ANIONS
Samples with a charge balance error (CBE) of < 10% are shown. See companion table for CBE calculations.
NOTE: Nitrate plus Nitrite was reported by the laboratory and is used here. Equivalent weight of 62 used (assumes mostly nitrate).
DATE
PIPER DIAGRAM - SHALLOW GROUNDWATER,
POREWATER, AREAS OF WETNESS, AND SURFACE WATER AUGUST 2016
DUKE ENERGY CAROLINAS, LLC FIGURE
BUCK STEAM STATION ASH BASIN 3-6.2
ROWAN COUNTY, NORTH CAROLINA

,00
�
CPO
®
Deep Wells
0
Porewater
Q
�3
0
Area of Wetness
2°ry 00
b1 w
Surface Water
q,
�o
Zo
x
G�
oam 10
0�
a0
r-I
ry0
C7
0
;�[S7LIV
ANIONS
Samples with a charge balance error (CBE) of < 10% are shown. See companion table for CBE calculations.
NOTE: Nitrate plus Nitrite was reported by the laboratory and is used here. Equivalent weight of 62 used (assumes mostly nitrate).
DATE
PIPER DIAGRAM - DEEP GROUNDWATER,
POREWATER, AREAS OF WETNESS, AND SURFACE WATER AUGUST 2016
DUKE ENERGY CAROLINAS, LLC FIGURE
BUCK STEAM STATION ASH BASIN 3-6.3
ROWAN COUNTY. NORTH CAROLINA

.100
00 O O O r0
Calcium
CATIONS
Bedrock Wells
Porewater
0
Area of Wetness
10
Surface Water
ti�
Chloride+Nitrogen, NO2 plus NO3
ANIONS
Samples with a charge balance error (CBE) of < 10% are shown. See companion table for CBE calculations.
NOTE: Nitrate plus Nitrite was reported by the laboratory and is used here. Equivalent weight of 62 used (assumes mostly nitrate).
DATE
PIPER DIAGRAM - BEDROCK GROUNDWATER,
POREWATER, AREAS OF WETNESS, AND SURFACE WATER AUGUST 2016
DUKE ENERGY CAROLINAS, LLC FIGURE
BUCK STEAM STATION ASH BASIN 3-6.4
ROWAN COUNTY, NORTH CAROLINA