NC0024406_5_FINAL_CSA Supplement 2_Belews_Appendix B_20160811

BORING NUMBER AB-1 BR
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 1 OF 6
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CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
DATE STARTED 4/25/16 COMPLETED 5/3/16 GROUND ELEVATION 769.415 HOLE SIZE(S) 9, 5 inches
DRILLING CONTRACTOR Cascade Drilling L.P. NORTHING 928655.43 EASTING 1682496.13
DRILLING METHOD Sonic GROUND WATER LEVELS:
LOGGED BY S. Abernathy CHECKED BY �F DATE/TIME 5/4/2016 5:11:00 PM 45.10 ft
NOTES 1 DATE/TIME ---
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REMARKS
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Refer to AB-1 D for lithology 0'-70'
5
10
15
20
25

BORING NUMBER AB-1 BR
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 2 OF 6
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CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County, NC
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REMARKS
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25
30
35
40
45
50

BORING NUMBER AB-1 BR
440 S. Church Street, Suite 900
Charlotte, NC2802-2075 PAGE 3 OF 6
Phone:[phone]
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CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
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DESCRIPTION
REMARKS
° W
zo3
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50
55
60
65
70
MICA SCHIST, strong, dark gray (4N), intensely
foliated, slightly weathered, garnetiferous
(FRACTURED ROCK)
0'-76' Fe and Mn stained
RC-1
100
75

BORING NUMBER AB-1 BR
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 4 OF 6
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CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
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REMARKS
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0
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m0><no
a�O
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UZ
w
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af
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75
MICA SCHIST, strong, bluish black (5PB 2.5/1),
intensely foliated, fresh, garnetiferous (SOUND
ROCK)
RC-2
100
80
0.1' 6" PVC casing installed
Continued: strong to moderate, fresh to slightly
81'-91' Pyrite mineralization, pinhead garnets,
weathered
trace Fe staining
RC-3
94
85
84.5' Fracture zone
88'-89' Fracture zone
i'
RC-4
$6
90
91'-101' Pyrite mineralization, pinhead garnets,
r.
i..
trace Fe staining
MICA GNEISS, strong to moderate, bluish black
95
RC-5
63
(5PB 2.5/1), slightly weathered (SOUND ROCK)
MICA SCHIST, strong to moderate, bluish black
(5PB 2.5/1) to black (2.5N), intensely foliated,
fresh to slightly weathered, garnetiferous (SOUND
.
ROCK)
100
i:....:.,

BORING NUMBER AB-1 BR
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 5 OF 6
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CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
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DESCRIPTION
REMARKS
° W
0
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m0><no
a�O
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o3
g�
UZ
w
w
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100
MICA SCHIST, strong to moderate, bluish black
(5PB 2.5/1) to black (2.5N), intensely foliated,
.;:•: ;
fresh to slightly weathered, garnetiferous (SOUND
101'-111' Pyrite mineralization, pinhead
ROCK) (continued)
garnets, Fe staining absent
105
RC-6
64
110
111'-121' Pyrite mineralization, pinhead
garnets, Fe staining absent
115
RC-7
53
120
121'-131' Scattered pyrite mineralization,
garnets absent
124'-128' Vertical fracture healed with calcite
125

440 S. Church Street, Suite 900
F)I Charlotte, NC 2875
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CLIENT Duke Energy Carolinas
PROJECT NUMBER 269377
BORING NUMBER AB-1 BR
PAGE 6OF6
PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT LOCATION Stokes Countv. NC
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REMARKS
OW
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125
QUARTZ -FELDSPAR GNEISS, very strong, very
ii
dark greenish gray (5G 3/1), medium to thinly
-
RC - 8
61
foliated, slightly weathered (SOUND ROCK)
(continued)
E9111
MICA SCHIST, strong to moderate, black (2.5N),
intensely foliated, fresh to slightly weathered,
garnetiferous (SOUND ROCK)
Bottom of borehole at 131.0 feet.
Boring terminated at 131', screened interval
set at 93.9'-98.9', monitoring well installed
5/3/16

BORING NUMBER AB-413RD
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 1 OF 7
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CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
DATE STARTED 3/15/16 COMPLETED 4/22/16 GROUND ELEVATION 758.83 HOLE SIZE(S) 10, 5 inches
DRILLING CONTRACTOR Cascade Drilling L.P. NORTHING 925617.90 EASTING 1683261.96
DRILLING METHOD Sonic GROUND WATER LEVELS:
LOGGED BY S. Abernathy CHECKED BY DATE/TIME 4/22/2016 7:47:00 AM 5.80 ft bgs
NOTES 1 DATE/TIME ---
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DESCRIPTION
REMARKS
° W
0
aU
m0>
n0
E0
03
g0
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w
w
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0
Refer to AB-4BR for lithology 0'-140'
Hole Size(s):
10" 0'-145'
5" 145'-170.9'
0'-5' Hand augered to clear utilities
5
10
15
20
25

BORING NUMBER AB-413RD
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 2 OF 7
Phone:[phone]
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CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County, NC
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to W
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REMARKS
° W
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0 U
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w
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0
25
Refer to AB-4BR for lithology 0'-140'
30
35
40
45
50

BORING NUMBER AB-413RD
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 3 OF 7
Phone:[phone]
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CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County, NC
W �
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=
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to W
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REMARKS
° W
p
0 U
m0>
wU
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o3
UZ
w
w
< O
0
50
Refer to AB-4BR for lithology 0'-140'
55
60
65
70
75

BORING NUMBER AB-413RD
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 4 OF 7
Phone:[phone]
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CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County, NC
W �
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e
=
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to W
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REMARKS
° W
p
0 U
m0>
wU
U
o3
UZ
w
w
< O
0
75
Refer to AB-4BR for lithology 0'-140'
80
85
90
95
100

BORING NUMBER AB-413RD
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 5 OF 7
Phone:[phone]
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CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County, NC
W �
c
o
e
=
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to W
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DESCRIPTION
REMARKS
° W
p
0 U
m0>
wU
U
o3
UZ
w
w
< O
0
100
Refer to AB-4BR for lithology 0'-140'
105
110
115
120
125

BORING NUMBER AB-413RD
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 6 OF 7
Phone:[phone]
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CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County, NC
W �
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to W
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DESCRIPTION
REMARKS
° W
3
p
dU
�b
CO0�
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0
W0
U
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O
�
W
W
0
125
Refer to AB-4BR for lithology 0'-140'
130
140'-145' Very intensely fractured, epidote and
135
140
QUARTZ -FELDSPAR GNEISS, very strong, very
dark grayish green (5GY 3/2), intensely foliated,
some calcite mineralization on fractures
fresh (SOUND ROCK)
RC-1
100
Rock core is mechanically broken to such an
extent that ROD values can only be estimated
and not directly measured
Installed 6" PVC and grouted to surface on
4/6/2016
145
146-151' No recovery attributed to drilling
method and not to any weathering fractures of
rock, sample recovered includes sand, gravel,
rusty nail, and several selenite crystals
approximately 0.5" to 1" in length, as well as
some metal shavings
RC-2
0
150

BORING NUMBER AB-413RD
440 S. Church Street, Suite 900
Charlotte, NC2802-2075 PAGE 7 OF 7
Phone:[phone]
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CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
W j
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0
W
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Wp v
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DESCRIPTION
REMARKS
° W
UZ
w
W
U O
o3
QO
(n Z
of
x
150
QUARTZ -FELDSPAR GNEISS, very strong, very
dark grayish green (5GY 3/2), intensely foliated,
fresh (SOUND ROCK) (continued)
51'-158' Very intensely fractured
(mechanical) no apparent staining or
mineralization of natural fractures
RC-3
78
HORNBLENDE GNEISS, very strong, greenish
black (5G 2.5/1), intensely foliated, fresh,
micaceous (SOUND ROCK)
154'-158 Simple falling head test, 1.8 feet of
155
change in 15 minutes
RC-4
50
157.3'-162.3' Set well on 4/21/2016, grouted
to surface on 4/22/2016
158'-170.9 Occasional hairline fractures,
healed with quartz and feldspar, no staining
visible
160
RC-5
0
159.6-161.5' Simple rising head test, 0.5 feet
of change in 25 minutes
QUARTZ -FELDSPAR GNEISS, very strong,
dark grayish green (5GY 4/2) to dark gray (N24,
intensely foliated, fresh (SOUND ROCK)
159.6-170.9' Simple rising head test, 0.3 feet
of change in 30 minutes
165
RC-6
59
Boring Terminated at 170.9'
170
Screened Interval Set at 157'-162'
Monitoring Well Installed on 4/22/16
Bottom of borehole at 170.9 feet. pH measured at 5.5-6.0 SUs prior to grouting
on 4/22/2016

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment
Appendix B, Sample Photographs
Photo 1 — AB-4BRD: Box 1 of 2 Depth: 140.0'-161.5' Date: 04/21/16
Photo 2 — AB-4BRD: Box 2 of 2 Depth: 161.5' - 170.9' Date: 04/21 /16
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BORING NUMBER GWA-9BR
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 1 OF 6
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CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
DATE STARTED 5/6/16 COMPLETED 5/10/16 GROUND ELEVATION 791.58 HOLE SIZE(S) 9, 5, 3 inches
DRILLING CONTRACTOR Cascade Drilling L.P. NORTHING 924737.90 EASTING 1681483.82
DRILLING METHOD Sonic GROUND WATER LEVELS:
LOGGED BY J. Pendleton CHECKED BY DATE/TIME 5/11/2016 7:15:00 AM 44.20 ft
NOTES 1 DATE/TIME ---
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DESCRIPTION
REMARKS
° W
0
aU
m0>
n0
E0y
03
g0
UZ
w
w
O
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0
Refer to GWA-9SB and GWA-9D for lithology
0'-90.5'
Hole sizes: 0-66.5'=9"; 66.5-120'=5";
120-130'=3"
5
ROD was not calculated, rotosonic process did
not produce core greater than 4"
10
15
20
25

BORING NUMBER GWA-9BR
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 2 OF 6
Phone:[phone]
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CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County, NC
W �
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=
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to W
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DESCRIPTION
REMARKS
° W
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dU
m0>
UZ
O
wU
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w
w
0
25
Refer to GWA-9SB and GWA-9D for lithology
0'-90.5' (continued)
30
35
40
45
50

BORING NUMBER GWA-9BR
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 3 OF 6
Phone:[phone]
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CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County, NC
W �
c
o
e
=
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to W
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DESCRIPTION
REMARKS
° W
p
dU
m0>
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O
wU
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w
w
0
50
Refer to GWA-9SB and GWA-9D for lithology
0'-90.5' (continued)
55
60
65
70
75

BORING NUMBER GWA-9BR
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 4 OF 6
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CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
LL j
a
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0
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3: H
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DESCRIPTION
REMARKS
° W
0
aU
m0><no
a�O
U
o3
g�
UZ
w
w
O
U)ZO
af
D
75
Refer to GWA-9SB and GWA-9D for lithology
0'-90.5' (continued)
80
Fe staining and Qtz veins seen throughout
85
90
MICA SCHIST, moderate to strong, greenish
green (5GY 5/1), thinly foliated (SOUND ROCK)
material recovered
95
RC-1
Sand and mud seen in water returning to
surface. Driller indicates Run 1 includes zones
of fractures (very easy drilling)
100

BORING NUMBER GWA-9BR
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 5 OF 6
Phone:[phone]
hdrinc.com/follow-us
CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
LL j
a
c
o
0
_uj
rt
U)
3: H
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>
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ww
w 0
� zj Q
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DESCRIPTION
REMARKS
° W
0
aU
m0><no
a�O
U
o3
g�
UZ
w
w
O
U)z0
a
100
Falling Head Test #1 (100-110') - 5/9/16:
1507 - 1527
105
RC-2
110
MICA GNEISS, strong, bluish gray (513 5/1),
Falling Head Test #2 (110-120') - 5/10/16:
massive to thinly foliated (SOUND ROCK)
1005 - 1015
MICA GNEISS, moderately strong, greenish gray
(56Y 5/1), massive to thinly foliated (SOUND
ROCK)
115
RC-3
Falling Head Test #3 (115-120') - 5/10/16:
1031 - 1041
--------------------
MICA GNEISS, strong to very strong, very dark
120
gray (N3), massive (SOUND ROCK)
Falling Head Test #3 (120-130') - 5/10/16:
1605 - 1615
pH reading of 8.0-8.5
125

BORING NUMBER GWA-9BR
440 S. Church Street, Suite 900
Charlotte, NC2802-2075
PAGE 6 OF 6
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CLIENT Duke Energy Carolinas
PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377
PROJECT LOCATION Stokes County NC
W j
c
o
0
W
CYz
v
a
O
DESCRIPTION
REMARKS
° W
Wp
d 0
m O >
O
Y
U
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o3
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w
W
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QO
(n Z
125
130
Bottom of borehole at 130.0 feet.

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ��
Appendix B, Sample Photographs
Photo 1 — GWA-913R: Sample RC-1 Depth: 64.0' -66.0' Date: 05/06/16
Photo 2 — GWA-9131R: Box 1 of 1 Depth: 90.0'-130.0' Date: 05/06/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
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BORING NUMBER GWA-16BR
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 1 OF 5
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CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
DATE STARTED 3/31/16 COMPLETED 4/5/16 GROUND ELEVATION 780.53 HOLE SIZE(S) 9, 4 inches
DRILLING CONTRACTOR Cascade Drilling L.P. NORTHING 926704.19 EASTING 1681130.90
DRILLING METHOD Sonic GROUND WATER LEVELS:
LOGGED BY M. Pelletier CHECKED BY �F DATE/TIME 4/6/2016 10:00:00 AM 29.15 ft bqs
NOTES 1 DATE/TIME ---
LL j
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DESCRIPTION
REMARKS
° W
0
aU
m0>
n0
E0
03
g0
UZ
w
w
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0
Refer to GWA-16D for lithology 0'-65'
Hole Size(s):
9" 0'-65'
4" 65-104.3'
0'-5' Hand augered to clear utilities
5
10
15
20
25

BORING NUMBER GWA-16BR
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 2 OF 5
Phone:[phone]
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CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County, NC
W �
c
o
e
=
}
HW
to W
Hp
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DESCRIPTION
REMARKS
° W
p
0 U
m0>
O
wU
U
o�
UZ
w
w
< O
0
25
Refer to GWA-16D for lithology 0'-65'
30
35
40
45
50

BORING NUMBER GWA-16BR
440 S. Church Street, Suite 900
Charlotte, NC2802-2075 PAGE 3 OF 5
Phone:[phone]
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CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
W j
c
o
0
W
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Wp v
d 0
>
m O a
O
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DESCRIPTION
REMARKS
° W
UZ
w
W
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o3
QO
cn Z
50
Refer to GW,A-16D for lithology 0'-65'
55
60
5' 6" PVC casing installed and grouted to
65
surface
Due to intense mechanical fracturing of rock
QUARTZITE, very strong, grayish green (10GY
5/1) and weak red (2.5YR 4/2), fine grained,
samples, RQD values can only be estimated
non -foliated (SOUND ROCK)
65'-74' Fresh, multiple thin healed fractures
containing quartz and pyrite, color alternates in
bands up to 1" in width
RC-1
74
70
65'-75' Falling head test, 0.10 feet change in
15 minutes
65'-85' Falling head test, 0.77 feet change in
15 minutes
RC-2
100
65'-85' Falling head test, 0.44 feet change in
15 minutes
L
74'-77.5' Fresh, with pyrite in fractures healed
HORNBLENDE SCHIST, very strong, greenish
black (10Y 2.5/1), finely foliated (SOUND ROCK)
with quartz

BORING NUMBER GWA-16BR
440 S. Church Street, Suite 900
Charlotte, NC2802-2075 PAGE 4 OF 5
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CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
W j
c
o
0
W
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Wp v
d 0
>
m O a
O
0 O
Y
DESCRIPTION
REMARKS
° W
z
QO
UZ
w
W
U
O
03
(n Z
of
of
W
75
HORNBLENDE SCHIST, very strong, greenish
black (10Y 2.5/1), finely foliated (SOUND ROCK)
(continued)
RC-3
100
AUGEN GNEISS, very strong, very dark gray (5Y
3/1), thinly foliated, augens up to 3/4" (SOUND
ROCK)
80
5'-104.3' Falling head test, 5.09 feet change
in 15 minutes
RC-4
22
82.5'-87.5' Contains many open fractures
QUARTZITE, very strong, grayish green (10GY
5/1) and weak red (2.5YR 4/2), fine grained,
without Fe staining
non -foliated (SOUND ROCK)
85
87.5'-96' Fresh, multiple thin healed fractures
RC-5
72
BIOTITE SCHIST, strong, greenish black (10GY
2.5/1), intensely foliated (SOUND ROCK)
containing pyrite
90
RC-6
100
95
96'-104.3' Fresh, multiple healed fractures
HORNBLENDE GNEISS, very strong, greenish
black (10GY 2.5/1) and light gray (N7) in bands
containing pyrite
up to several inches in width, phaneritic (SOUND
RC-7
94
ROCK)
100

440 S. Church Street, Suite 900
F)I Charlotte, NC 2875
Phone:[phone]
6700
hdrinc.com/follow-us
CLIENT Duke Energy Carolinas
PROJECT NUMBER 269377
BORING NUMBER GWA-16BR
PAGE 5OF5
PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT LOCATION Stokes Countv. NC
LLJ Z
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p
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DESCRIPTION
REMARKS
OW
p
m0>
UZ
O
W0
w
U
o�
QO
w
0
100
HORNBLENDE GNEISS, very strong, greenish
black (10GY 2.5/1) and light gray (N7) in bands
-
up to several inches in width, phaneritic (SOUND
ROCK) (continued)
-
RC-8
95
102.3'-104.3' Brecciated and healed with
-
quartz
Boring Terminated at 104.3'
_
Screened Interval Set at 98.5'-103.5'
Monitoring Well Installed on 4/5/16
Bottom of borehole at 104.3 feet. N

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment
Appendix 13, Sample Photographs FN
:11- RQD'
31/5-
( 74
Y5. -01
150
Photo 1 — GWA-16BR: Box 1 of 4 Depth: 65.0' - 76.3' Date: 04/01/16
Rra T YJ 'F _!g fjofiF
Photo 2 — GWA-16BR: Box 2 of 4
Depth: 76.3'- 90.5' Date: 04/01/16
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Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ��
Appendix B, Sample Photographs
G?�.R
"pf!
jao Asa /Op, ,'43. 4% 4y
3 J �- r� -z} o) .(fool)
^•.3�1 i�7�'i11 �
Photo 3 — GWA-16BR: Box 3 of 4 Depth: 90.5' - 100.7' Date: 04/01/16
MV },�.P f6fS� g 1�0.4 "
�y.. t A k F� im 3) 195;C) (q5 �� Ap
Photo 4 — GWA-16BR: Box 4 of 4 Depth: 100.7' - 104.3' Date: 04/01/16
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BORING NUMBER GWA-18S
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 1 OF 2
Phone:[phone]
hdrinc.com/follow-us
CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County, NC
DATE STARTED 3/23/16 COMPLETED 3/23/16 GROUND ELEVATION 771.33 HOLE SIZE(S) 6 inches
DRILLING CONTRACTOR Cascade Drilling, L.P. NORTHING 927855.27 EASTING 1681414.60
DRILLING METHOD Sonic GROUND WATER LEVELS:
LOGGED BY M. Pelletier CHECKED BY DATE/TIME 3/23/2016 8:00:00 AM 22.55 ft bgs
NOTES 1 DATE/TIME ---
az
U) w
r
p
z
ww
0
-1 D Q
j
p>
DESCRIPTION
REMARKS
° W
p
dU
m0�
0
�0
U
o3
g0
UZ
w
Lu
U)O
0
0
Refer to GWA-18D for lithology
5
Y
10
15
20
25

440 S. Church Street, Suite 900
F)ICharlotte, NC 2802-2075
Phone:[phone]
hdrinc.com/follow-us
CLIENT Duke Energy Carolinas
PROJECT NUMBER 269377
BORING NUMBER GWA-18S
PAGE 2OF2
PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT LOCATION Stokes Countv. NC
W j
c
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0
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z
v
a
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DESCRIPTION
REMARKS
OW
Wp
d 0
m O
O
Z
Y
3
0
g�
UZ
w
W
O
0
cQ Z
of
0'
W
Boring Terminated at 28'
Screened Interval Set at 11'-26' �
Monitoring Well Installed on 3/23/16
Bottom of borehole at 28.0 feet.

BORING NUMBER GWA-18D
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 1 OF 3
Phone:[phone]
hdrinc.com/follow-us
CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
DATE STARTED 3/20/16 COMPLETED 3/23/16 GROUND ELEVATION 771.34 HOLE SIZE(S) 9,4 inches
DRILLING CONTRACTOR Cascade Drilling L.P. NORTHING 927847.95 EASTING 1681417.47
DRILLING METHOD Sonic GROUND WATER LEVELS:
LOGGED BY M. Pelletier CHECKED BY DATE/TIME 3/23/2016 8:30:00 AM 16.40 ft bgs
NOTES 1 DATE/TIME ---
LL j
a
C
o
0
_Lu
rt
U)
3: H
}
>
Y
o
ww
w o
0 zj Q
O w
U0 >
'X
DESCRIPTION
REMARKS
° W
0
aU
m0>
n0
E0
03
g0
UZ
w
w
O
�z
of0
(SM) SILTY SAND, red (2.5YR 4/6), moist,
Hole Size(s):
non -plastic, non -cohesive, micaceous, with roots
9" 0'-54'
and organics (SOIL)
4" 54'-70'
0'-5' Hand augered to clear utilities
(SM) SILTY SAND, red (2.5YR 5/6), moist,
non -plastic, non -cohesive, micaceous
AU-1
60
(SAPROLITE)
5
Continued: red (10YR 5/8)
SD-1
60
10
Continued: reddish yellow (7.5YR 6/6), abundant
Driller notes difficult drilling
friable rock fragments
SD-2
30
Continued: pale orange yellow (10.5YR 9/2) to
15
SD-3
90
brown (7.5YR 5/4)
20
SD-4
60
(SM) SILTY SAND, brown (7.5YR 5/4), moist,
non -plastic, non -cohesive, increased mica content
and schistosity (SAPROLITE)
25

BORING NUMBER GWA-18D
440 S. Church Street, Suite 900
Charlotte, NC2802-2075 PAGE 2 OF 3
Phone:[phone]
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CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
W j
c
o
0
W
z
Wp v
d 0
>
m O a
O
0 O
Y
DESCRIPTION
REMARKS
° W
z
QO
UZ
w
W
U
O
03
U) Z
of
0'
W
25
(SM) SILTY SAND, brown (7.5YR 5/4), moist,
non -plastic, non -cohesive, increased mica content
and schistosity (SAPROLITE) (continued)
SD-5
60
Harder rock fragments/less weathered
30
SD - 6
60
(SM) SILTY SAND, brown (7.5YR 5/3) and
reddish yellow (7.5YR 6/8), moist, non -plastic,
non -cohesive, trace clay and mica, relict
schistosity (SAPROLITE)
35
SD-7
60
40
Driller notes difficult drilling
SD - s
60
(SM) SILTY SAND, light brown (7.5YR 6/3),
moist, non -plastic, non -cohesive, fine mica,
friable, relict schistosity (SAPROLITE)
45
SD-9
48
48.5'-55' Partially weather rock in matrix of
MICA SCHIST, moderate strength, white (N8),
thinly foliated (SAPROLITE/WEATHERED
(ML) silty sand with clay, moderately
50
ROCK)
decomposed, Fe and Mn staining

BORING NUMBER GWA-18D
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 3 OF 3
Phone:[phone]
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CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
LL j
a
C
o
0
_Uj
rt
U)
3: H
}
>
Y
o
ww
w 0
� zj Q
O w
p>
DESCRIPTION
REMARKS
° W
0
aU
m0><no
a�O
U
o3
g�
UZ
w
w
O
0
U)z0
a
50
MICA SCHIST, moderate strength, brown (7.5YR
4/4), thinly foliated (SAPROLITE/WEATHERED
ROCK)
Smaller fraction of matrix material than above
SD -
48
10
54' 6" PVC casing installed and grouted to
55
Continued: light yellowish brown (7.5YR 6/4)
surface
Due to intense mechanical fracturing of rock
samples, ROD values can only be estimated
RC-1
30
60
RC-2
78
MICA SCHIST, strong, gray (N5), thinly foliated,
fresh (SOUND ROCK)
63' Fe staining
63.5'-66' Trace pyrite
65
RC-3
75
Boring Terminated at 70'
Screened Interval Set at 56'-61'
70
Monitoring Well Installed on 3/23/16
Bottom of borehole at 70.0 feet.

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment
Appendix B, Sample Photographs
Du - e-nerg,�r&L=vS S�a�on
BORE14OLE ; 6 W A. J 8-D
ma 44 A v) e r
wwlM WS
Photo 1 — GWA-18D: HA-1 Depth: 0.0' - 5.0' Date: 03/20/16
Photo 2 — GWA-18D: Sample SC-1 Depth: 5.0' - 10.0'
Date: 03/20/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
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Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ���
Appendix B, Sample Photographs
Photo 3 — GWA-18D: Sample SC-2 Depth:10.0 - 12.5' Date: 03/20/16
Photo 4 — GWA-18D: Sample SC-3 Depth: 12.5'-15.0' Date: 03/20/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
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Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ��
Appendix B, Sample Photographs
d
Photo 5 — GWA-18D: Sample SC-3 Depth: 15.0' - 20.0' Date: 03/20/16
Photo 6 — GWA-18D: Sample SC-4
Depth: 20.0' - 25.0' Date: 03/20/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
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Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ��
Appendix B, Sample Photographs
Photo 7 — GWA-18D: Sample SC-5 Depth: 25.0' - 30.0' Date: 03/20/16
W,
Photo 8 — GWA-18D: Sample SC-6 Depth: 30.0'-35.0' Date: 03/20/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
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Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ��
Appendix B, Sample Photographs
Photo 9 — GWA-18D: Sample SC-7 Depth: 35.0' - 40.0' Date: 03/20/16
Photo 10 — GWA-18D: Sample SC-8 Depth: 40.0' - 45.0' Date: 03/20/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
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Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ��
Appendix B, Sample Photographs
Photo 11 — GWA-18D: Sample SC-9 Depth: 45.0' - 50.0' Date: 03/20/16
ke roe r!j!.I—&k 4? fi ,,
BOREHOLE ^ G5WR-181)
T)EP'T)4 5o.o -54.o'
TWIu MM . 8tin SAhi6
CaMAEWS ,
P
Photo 12 — GWA-18D: Sample SC-10 Depth: 50.0' - 54.0' Date: 03/20/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
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Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ��
Appendix B, Sample Photographs
Photo 13 — GWA-18D: Box 1 of 1 Depth: 54.0' - 70.0' Date: 03/20/16
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BORING NUMBER GWA-19S
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 1 OF 1
Phone:[phone]
hdrinc.com/follow-us
CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County, NC
DATE STARTED 3/15/16 COMPLETED 3/16/16 GROUND ELEVATION 740.06 HOLE SIZE(S) 5 inches
DRILLING CONTRACTOR Cascade Drilling, L.P. NORTHING 928195.81 EASTING 1680902.52
DRILLING METHOD Sonic GROUND WATER LEVELS:
LOGGED BY M. Pelletier CHECKED BY DATE/TIME ---
NOTES DATE/TIME ---
W �
c
o
e
=
} W
H W
U) W
H-
}
Y �
p
z
w-1
00
-j D Q
j
p>
DESCRIPTION
REMARKS
° W
p
dU
m0�
0
�0
U
o3
g0
UZ
w
w
U)O
0
0
Refer to GWA-19D for lithology
:z
5
Boring Terminated at 22'
10
15
20
Screened Interval Set at 4'-19'
:
Monitoring Well Installed on 3/16/16
Bottom of borehole at 22.0 feet.

BORING NUMBER GWA-19D
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 1 OF 2
Phone:[phone]
hdrinc.com/follow-us
CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
DATE STARTED 3/9/16 COMPLETED 3/15/16 GROUND ELEVATION 740.19 HOLE SIZE(S) 8, 5 inches
DRILLING CONTRACTOR Cascade Drilling L.P. NORTHING 928203.16 EASTING 1680896.71
DRILLING METHOD Sonic GROUND WATER LEVELS:
LOGGED BY M. Pelletier CHECKED BY DATE/TIME ---
NOTES DATE/TIME ---
LL j
a
C
o
0
_Lu
rt
U)
3: H
}
>
Y
o
ww
w o
0 zj Q
O w
U0 >
DESCRIPTION
REMARKS
° W
0
aU
m0>
n0
E0
03
g0
UZ
w
w
O
�ZO
ofD
0
(CL) CLAY WITH SAND, yellowish red (5YR 5/8),
Hole Size(s):
moist, low plasticity, cohesive, sand fine, angular,
8" 0'-37'
trace mica (SAPROLITE)
5" 37'-47'
0'-5' Hand augered to clear utilities
2'-37' Relict rock structure becomes more
(SC) CLAYEY SAND, reddish brown (5YR 4/3),
AU-1
g0
moist, non -plastic, non -cohesive, sand fine,
competent with depth
angular, with abundant friable mica schist rock
fragments (SAPROLITE)
5
SD-1
48
10
SD-2
42
Continued: Brownish yellow (10YR 6/8)
SD-3
30
15
Continued: Mottled primary dark yellowish brown
15-19' Driller noted increased difficulty drilling
(10YR 4/4) and secondary red (2.5YR 5/6), mica
becomes more prominent
SD-4
48
20
SD-5
60
25

BORING NUMBER GWA-19D
440 S. Church Street, Suite 900
Charlotte, NC2802-2075 PAGE 2 OF 2
Phone:[phone]
hdrinc.com/follow-us
CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
W j
c
o
0
W
z
Wp v
d 0
>
m O a
O
0 O
Y
DESCRIPTION
REMARKS
° W
QO
UZ
w
W
U
O
o3
cn Z
of
0'
W
25
(SC) CLAYEY SAND, dark yellowish brown
(10YR 4/4) and red (2.5YR 5/6), moist,
non -plastic, non -cohesive, sand fine, angular, with
SD - 6
60
abundant mica, mica schist rock fragments are
friable (SAPROLITE)
30
SD-7
30
1.5'-35' Fe stained
MICA SCHIST, strong, dark gray (1\13), thinly
foliated, contains layers of (CL) CLAY WITH
32'-34' Very hard drilling, difficulty retrieving
SAND (WEATHERED/FRACTURED ROCK)
core
RC-1
100
Due to intense mechanical fracturing of rock
samples, RQD values can only be estimated
35
35'-47' No iron staining or clay infilling
MICA SCHIST, strong, dark gray (N3), thinly
foliated (SOUND ROCK)
RC-2
100
37' 6" PVC Casing installed on 3/9/16 and
grouted to surface
Driller notes "softer zone" that appears to have
washed out
RC-3
80
40
45'-46' Steeply inclined fracture with greenish
gray mineralization
RC-4
45
Boring Terminated at 47'
Screened Interval Set at 38'-42'
Monitoring Well Installed on 3/15/16
Bottom of borehole at 47.0 feet.
Water pH was tested at 6.5SUs prior to setting
well

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ���
Appendix B, Sample Photographs
Photo 1 — GWA-19D: Sample HA-1 Depth: 0.0' - 5.0' Date: 03/15/16
Photo 2 — GWA-1911): Sample SC-1 Depth: 5.0' - 9.0' Date: 03/15/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
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Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ��
Appendix B, Sample Photographs
Photo 3 — GWA-19D: Sample SC-2 Depth:9.0' - 12.5' Date: 03/15/16
Photo 4 — GWA-19D: Sample SC-3 Depth: 12.5' - 15.0' Date: 03/15/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ��
Appendix B, Sample Photographs
T)u.kc Gner�y�Bews S�a{'on
BoReooLE ; GWA- IRS
TXPP4 . 15.0'— 11.0,
DQILL , M-' 0-ia So.+:c Cute
JAM Photo 5 — GWA-19D: Sample SC-4 Depth: 15.0' - 19.0' Date: 03/15/16
NOW Z
- &k,,; 2�
c. ncrgy'
' rEPTH ,. 1710 — I /t.0 .
tRILL MEN:
� t
Photo 6 — GWA-19D: Sample SC-5 Depth: 19.0' - 24.0' Date: 03/15/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
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Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ���
Appendix B, Sample Photographs
4, w
RoK� Fi i f 6WA-14D
ty 21'- -79 `
r SO-4 6r
Photo 7 - GWA-19D: Sample SC-6 Depth: 24.0' - 29.0' Date: 03/15/16
I
Photo 8 - GWA-19D: Box 1 of 2 Depth: 31.5' - 37.0' Date: 03/09/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
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Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ��
Appendix B, Sample Photographs
Photo 9 — GWA-19D: Box 2 of 2 Depth: 37.0' - 47.0' Date: 03/20/16
Photo 10 — GWA-19D: Sample RC-4 Depth: 47.0' Date: 03/15/16
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[phone]

BORING NUMBER GWA-20S
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 1 OF 1
Phone:[phone]
hdrinc.com/follow-us
CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County, NC
DATE STARTED 3/19/16 COMPLETED 3/19/16 GROUND ELEVATION 770.60 HOLE SIZE(S) 6 inches
DRILLING CONTRACTOR Cascade Drilling, L.P. NORTHING 928579.71 EASTING 1681758.48
DRILLING METHOD Sonic GROUND WATER LEVELS:
LOGGED BY M. Pelletier CHECKED BY DATE/TIME 3/17/2016 8:00:00 AM 12.00 ft bgs
NOTES 1 DATE/TIME ---
az
U) w
r
p
z
ww
-1 00
-j D Q
j
p>
DESCRIPTION
REMARKS
° W
p
dU
m0�
0
�0
U
o3
g0
UZ
w
Lu
U)O
0
0
Refer to GWA-20D for lithology
5
10
15
Boring Terminated at 25'
20
Screened Interval Set at T-22'
25
Monitoring Well Installed on 3/19/16
Bottom of borehole at 25.0 feet.

BORING NUMBER GWA-20D
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 1 OF 3
Phone:[phone]
hdrinc.com/follow-us
CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
DATE STARTED 3/16/16 COMPLETED 3/19/16 GROUND ELEVATION 770.44 HOLE SIZE(S) 9, 4 inches
DRILLING CONTRACTOR Cascade Drilling L.P. NORTHING 928576.10 EASTING 1681755.49
DRILLING METHOD Sonic GROUND WATER LEVELS:
LOGGED BY M. Pelletier CHECKED BY DATE/TIME 3/19/2016 8:00:00 AM 21.40 ft
NOTES 1 DATE/TIME ---
LL j
a
C
o
0
_Lu
rt
U)
3: H
}
>
Y
o
ww
w o
zj Q
O w
0>
DESCRIPTION
REMARKS
° W
0
aU
m0>
n0
E0
03
g0
UZ
w
w
O
�ZO
ofD
0
(SM) SILTY SAND, dark reddish gray (5YR 4/2),
Hole Size(s):
moist, non -plastic, non -cohesive (SOIL)
9" 0'-50'
5" 50'-65'
0'-5' Hand augered to clear utilities
(SM) SILTY SAND, red (2.5YR 4/8), moist,
AU-1
g0
non -plastic, non -cohesive, micaceous, few pieces
of weathered gravel -sized mica schist
(SAPROLITE)
5
SD-1
108
10
Continued: strong brown (7.5YR 5/6), mica absent
(SM) SILTY SAND, light yellowish brown (10YR
15
6/4), moist, non -plastic, non -cohesive, abundant
mica and fragments of weathered mica schist
(SAPROLITE)
SD-2
60
Hole unstable at 19'
20
(SP) SAND, pale brown (10YR 6/3) and grayish
brown (10YR 5/2), moist, non -plastic,
non -cohesive, fine and angular with traces of silt
SD-3
60
and clay (SAPROLITE)
-
Continued: wet, clay content slightly increased,
trace fine mica
25

BORING NUMBER GWA-20D
440 S. Church Street, Suite 900
Charlotte, NC2802-2075 PAGE 2 OF 3
Phone:[phone]
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CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
W j
c
o
0
W
z
Wp v
d 0
>
m O a
O
0 O
Y
DESCRIPTION
REMARKS
° W
z
QO
UZ
w
W
U
O
03
cn Z
of
J)f
W
25
(SP) SAND, brownish yellow (10YR 6/6), moist,
non -plastic, non -cohesive, very fine to fine with
traces of silt, clay, and fine mica (SAPROLITE)
SD-4
60
30
SD-5
60
Continued: clay and silt content slightly increased
34' Driller noted increased difficulty drilling
(SM) SILTY SAND, brown (10YR 4/3), wet, low
35
plasticity, non -cohesive, fine to medium sand,
abundant mica, obvious relict structure
(SAPROLITE)
SD-6
60
40
More friable rock fragments of very weathered
SD-7
60
mica schist
Driller notes increased difficulty drilling
45
SD-8
48
MICA SCHIST, moderate strength, yellowish
brown (10YR 5/6), foliated, moderately
decomposed, interbedded with saprolite as above
(SAPROLITE/WEATHERED ROCK)
48' Difficulty extracting core barrel led to loss
of sample
SD-9
0
49' 6" PVC casing installed and grouted to
50
11
1
1
1
1
1
surface

BORING NUMBER GWA-20D
440
Charlotte,
S. Church Street,
NC2802-2075
Suite 900
PAGE 3 OF 3
Phone:[phone]
hdrinc.com/follow-us
CLIENT Duke Energy
Carolinas
PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377
PROJECT LOCATION Stokes County NC
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DESCRIPTION
REMARKS
° W
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of
of
W
50
MICA SCHIST, strong, yellowish brown (10YR
Due to intense mechanical fracturing of rock
5/4), thinly foliated, moderately decomposed,
samples, RQD values can only be estimated
abundant Fe stained fractures
(WEATHERED/FRACTURED ROCK)
RC-1
85
54'-59' Driller reported several soft zones of
55
drilling, lost sample likely washed out while
coring
RC-2
28
Continued: dark gray (N4) with brown (7.5YR 2.5/2)
59'-64' Driller reported several soft zones of
60
on fracture surfaces, rock becoming more
competent further into run
drilling, lost sample likely washed out while
coring
Band of quartz
RC-3
75
Boring Terminated at 65'
Screened Interval Set at 55'-60'
65
Monitoring Well Installed on 3/19/16
Bottom of borehole at 65.0 feet.

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ��
Appendix B, Sample Photographs
r
Alt:-
.�. N-- . t1+: :..
Y
Photo 1 — GWA-20D: Sample HA-1 Depth: 0.0' - 5.0' Date: 03/19/16
Photo 2 — GWA-20D: Sample SC-1 Depth: 5.0' - 14.0' Date: 03/19/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ��
Appendix B, Sample Photographs
e
r
Photo 3 — GWA-20D: Sample SC-2 Depth: 14.0' - 19.0' Date: 03/19/16
Photo 4 — GWA-20D: Sample SC-3 Depth: 19.0' - 24.0' Date: 03/19/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ��
Appendix B, Sample Photographs
_"AWA
Photo 5 — GWA-20D: Sample SC-4 Depth: 24.0' - 29.0' Date: 03/19/16
Photo 6 — GWA-20D: Sample SC-5 Depth: 29.0' - 34.0' Date: 03/19/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ��
Appendix B, Sample Photographs
i
a,.
Photo 7 — GWA-20D: Sample SC-6 Depth: 34.0' - 39.0' Date: 03/19/16
Photo 8 — GWA-20D: Sample SC-7 Depth: 39.0' - 44.0' Date: 03/19/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ��
Appendix B, Sample Photographs
Photo 9 — GWA-20D: Sample SC-8 Depth: 44.0' - 48.0' Date: 03/19/16
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L
Photo 10 — GWA-20D: Box 1 of 1 Depth: 50.0' - 65.0' Date: 03/19/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

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BORING NUMBER GWA-20BR
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 1 OF 5
Phone:[phone]
hdrinc.com/follow-us
CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
DATE STARTED 5/26/16 COMPLETED 5/26/16 GROUND ELEVATION 770.27 HOLE SIZE(S) 6 inches
DRILLING CONTRACTOR Cascade Drilling L.P. NORTHING 928565.27 EASTING 1681746.53
DRILLING METHOD Sonic GROUND WATER LEVELS:
LOGGED BY B. Booth CHECKED BY DATE/TIME 5/26/2016 1:00:00 PM 33.80 ft
NOTES 1 DATE/TIME ---
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Refer to GWA-20D for Description above 64.0'
5
10
15
20
25

BORING NUMBER GWA-20BR
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 2 OF 5
Phone:[phone]
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CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County, NC
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Refer to GWA-20D for Description above 64.0'
(continued)
30
Y
35
40
45
50

BORING NUMBER GWA-20BR
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 3 OF 5
Phone:[phone]
hdrinc.com/follow-us
CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County, NC
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MONITORING
WELL
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U)
Refer to GWA-20D for Description above 64.0'
(continued)
55
60
SCHISTOSE MICA GNEISS, strong, dark bluish
65
gray (10B 4/1), medium grain, schistose to
gneissic, phaneritic, thinly foliated, fresh, sound
rock
RC-1
100
---------------------
SCHISTOSE MICA GNEISS, strong, very dark
70
bluish gray (10B 3/1), medium to coarse grain,
schistose to gneissic, phaneritic, thinly foliated
to laminated, fresh, sound rock
RC-2
100
75
it
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BORING NUMBER GWA-20BR
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 4 OF 5
Phone:[phone]
hdrinc.com/follow-us
CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
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DESCRIPTION
REMARKS
MONITORING
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75
SCHISTOSE MICA GNEISS, strong, dark bluish
gray (1013 4/1), fine to coarse grain, schistose to
gneissic, phaneritic, laminated to thinly foliated,
RC-3
100
slightly weathered, sound rock, garnets
throughout run (continued)
Fracture, 55' from horizontal, tight, FeO and
FeS present
.:.
----------------
MICA SCHIST, strong, bluish gray (1013 5/1),
80
fine to medium grain, schistose, laminated to
thinly foliated, fresh, sound rock
RC-4
100
Natural fracture, 60' from horizontal, CaCO3,
partially open, Fe0
MICA SCHIST, strong, bluish gray (1013 5/1),
85
fine to medium grain, schistose, laminated to
thinly foliated, fresh, sound rock
RC-5
100
--------------------
MICA SCHIST, strong, very dark bluish gray
90
(1013 3/1), fine to medium grain, schistose,
phaneritic, laminated to thinly foliated, fresh,
sound rock
RC-6
100
--------------------
MICA SCHIST, strong, very dark bluish gray (513
95
3/1), fine to medium grain, schistose, phaneritic,
laminated to thinly foliated, fresh, sound rock
RC-7
100
100

440 S. Church Street, Suite 900
Charlotte, NC2802-2075
Phone:[phone]
hdrinc.com/follow-us
CLIENT Duke Energy Carolinas
PROJECT NUMBER 269377
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105
MiER
- RI 1100
IF�M m
R o I 100
BORING NUMBER GWA-20BR
PAGE 5OF5
PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT LOCATION Stokes Countv. NC
DESCRIPTION
MICA SCHIST, strong, dark bluish gray (56 4/1),
fine to medium grain, schistose, phaneritic,
laminated to thinly foliated, fresh, sound rock
(continued)
--------------------
SCHISTOSE MICA GNEISS, bluish black (5PB
2.5/1), schistose to gneissic, phaneritic,
laminated to thinly foliated, fresh, sound rock
--------------------
SCHISTOSE MICA GNEISS, strong, greenish
black (10BG 2.5/1), schistose to gneissic,
phaneritic, laminated to thinly foliated, fresh,
sound rock
Bottom of borehole at 114.0 feet.
REMARKS
WELL

BORING NUMBER GWA-21 S
440 S. Church Street, Suite 900
Charlotte, NC28202-2075
PAGE
1 OF 1
Phone:[phone]
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CLIENT Duke Energy Carolinas
PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377
PROJECT LOCATION Stokes County NC
DATE STARTED 3/7/16 COMPLETED 3/8/16
GROUND ELEVATION 731.88 HOLE SIZE(S) 6 inches
DRILLING CONTRACTOR Cascade Drilling L.P.
NORTHING 928900.66 EASTING 1681372.93
DRILLING METHOD Sonic
GROUND WATER LEVELS:
LOGGED BY M. Pelletier CHECKED BY
�F DATE/TIME 3/8/2016 3:00:00 PM 10.15 ft bqs
NOTES
1 DATE/TIME ---
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DESCRIPTION
REMARKS
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Refer to GWA-21 D for Iithology
5
10
15
Boring Terminated at 17'
;..
Screened Interval Set at 6'-16'
Monitoring Well Installed on 3/8/16
Bottom of borehole at 17.0 feet.

BORING NUMBER GWA-21 D
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 1 OF 2
Phone:[phone]
hdrinc.com/follow-us
CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County, NC
DATE STARTED 3/3/16 COMPLETED 3/7/16 GROUND ELEVATION 731.67 HOLE SIZE(S) 10, 5 inches
DRILLING CONTRACTOR Cascade Drilling, L.P. NORTHING 928908.01 EASTING 1681367.12
DRILLING METHOD Sonic GROUND WATER LEVELS:
LOGGED BY M. Pelletier CHECKED BY 7 DATE/TIME 3/8/2016 8:00:00 AM 10.90 ft bgs
NOTES 1 DATE/TIME --
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DESCRIPTION
REMARKS
° W
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(CL) CLAY WITH SAND, dark reddish brown
Hole Size(s):
(5YR 3/3), moist, low plasticity, cohesive, trace
10.5" 0'-18.5'
mica, fine to medium sand, with roots (SOIL)
5" 18.5'-37'
0'-5' Hand augered to clear utilities
(CL) CLAY WITH SAND, reddish brown (2.5YR
4/4), moist, low plasticity, cohesive, trace mica
AU-1
60
and rock fragments, fine sand(SAPROLITE)
Harder drilling
(SC) CLAYEY SAND, dark reddish gray (2.5YR
3/1), moist, non -plastic, non -cohesive, sand fine
and angular, with coarse angular rock fragments
(SAPROLITE)
5
SD-1
42
(SC) CLAYEY SAND, dark brown (7.5YR 3/3),
moist, non -plastic, non -cohesive, sand fine and
angular, rock fragments and mica increasing with
depth (SAPROLITE)
10
SD-2
48
10'-12.5' large friable rock fragments
12'-12.5' Difficult drilling, difficulty retaining
(CL) GRAVELLY CLAY, brown (7.5YR 4/2), wet,
low plasticity, cohesive, abundant rock fragments,
sample due to water in borehole
fine sand (SAPROLITE)
15
SD-3
48
17.5'-31.5' Slightly decomposed, Fe staining
RC-1
100
MICA SCHIST, strong, very dark gray (5YR 3/1),
schistose, thinly foliated, slightly decomposed,
on surface
iron staining on surface with garnet, in matrix of
18.5' 6" PVC casing installed on 3/6/16 and
RC-2
67
(CL) sandy lean clay, brown (10YR 4/3), slightly
grouted to surface
plastic, wet, cohesive, with abundant rock
18.5'-31.5' Abundant sub -horizontal Fe stained
20
fragments and trace mica
(WEATHERED/FRACTURED ROCK)
fractures
Due to intense mechanical fracturing of rock
samples, RQD values can only be estimated
RC-3
60
25

440 S. Church Street, Suite 900
Charlotte, NC2875
Phone:[phone]
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CLIENT Duke Energy Carolinas
PROJECT NUMBER 269377
BORING NUMBER GWA-21 D
PAGE 2OF2
PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT LOCATION Stokes Countv. NC
W Z
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REMARKS
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p
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25
MICA SCHIST, strong, very dark gray (5YR 3/1),
schistose, thinly foliated, slightly decomposed,
-
iron staining on surface with garnet, in matrix of
Driller reports lost zones may be sand/clay
(CL) sandy lean clay, brown (10YR 4/3), slightly
washed out during drilling
-
plastic, wet, cohesive, with abundant rock
RC-4
40
fragments and trace mica
_
(WEATHERED/FRACTURED ROCK) (continued)
30
(SC) CLAYEY SAND, dark reddish gray (5YR
4/2), wet, non -plastic, non -cohesive, fine to
RC - 5 60 medium sand, with angular quartz fragments and
garnets, with mica (SAPROLITE/WEATHERED
ROCK)
MICA SCHIST, very strong, very dark gray (N3), 34'-37' Fresh, competent, no staining
35 schistose, intensely foliated (SOUND ROCK)
mom= wl
Bottom of borehole at 37.0 feet.
Boring Terminated at 37'
Screened Interval Set at 24.6'-29.6'
Monitoring Well Installed on 3/7/16

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ���
Appendix B, Sample Photographs
Photo 1 — GWA-21 D: Sample HA-1 Depth: 0.0' -1.0' Date: 03/07/16
Photo 2 — GWA-21 D: Sample HA-1 Depth: 1.0'-2.5' Date: 03/07/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ���
Appendix B, Sample Photographs
Photo 3 — GWA-21 D: Sample HA-1 Depth: 2.5' - 5.0' Date: 03/07/16
Photo 4 — GWA-21 D: Sample SC-1 Depth: 5.0' -8.5' Date: 03/07/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ���
Appendix B, Sample Photographs
Photo 5 — GWA-21 D: Sample SC-2 Depth: 8.5'-12.5' Date: 03/07/16
Photo 6 — GWA-21 D: Sample SC-3 Depth: 12.5'-17.5' Date: 03/07/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment _
Appendix B, Sample Photographs
Photo 7 — GWA-2111): Sample SC-3 Depth: 17.5' Date: 03/07/16
Photo 8 — GWA-21 D: Sample SC-3-SC-4 Depth: 12.5 — 18.5' Date: 03/07/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ���
Appendix B, Sample Photographs
.O
W 7
``-"r Vw,
Photo 9 — GWA-21 D: Sample SC-5
Duke bner94—&6s T4aNm
BORENOLE : 6WA -2-1-b
l?EPTN ; /B.5-20.0
©eat Mm: 4.75'CorC &rel
COMMENTS: Vtj Htri
Depth: 18.5'-20.0'
Photo 10 — GWA-1811): Sample SC-6 Depth: 20.0'-25.0'
Date: 03/07/16
Date: 03/07/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ���
Appendix B, Sample Photographs
C 'Dake Znergq-94ws Pah. -
BoR'CHOLE : 6WA-217)
DE-PT74 2S v 3a. o
t)2iu MUN. 4.75'Corr Far-
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Nf
.16
Photo 11 — GWA-21 D: Sample SC-7 Depth: 25.0'-30.0' Date: 03/07/16
a%'ake �ner3y—�e�ews S�a�ton - +�.
BoleeWoLE . 6WA-21-
DEP7N
Vat MM : 4.75 -Co.re Kiwe I
CoMAAEN7S . 5*0 Zm e Trn.
t
Jul
c
ti
.k
Photo 12 — GWA-21 D: Sample SC-8 Depth: 30.0'-35.0' Date: 03/07/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ���
Appendix B, Sample Photographs
Photo 13 — GWA-18D: Sample SC-9 Depth: 35.0'-37.0' Date: 03/07/16
Photo 14 — GWA-21 D: Box 1 of 1 Depth: 18.5-37.0' Date: 03/07/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

BORING NUMBER GWA-22S
440 S. Church Street, Suite 900
Charlotte, NC28202-2075
PAGE 1 OF 1
Phone:[phone]
hdrinc.com/follow-us
CLIENT Duke Energy Carolinas
PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377
PROJECT LOCATION Stokes County, NC
DATE STARTED 5/10/16 COMPLETED 5/10/16
GROUND ELEVATION TBD HOLE SIZE(S) 6 inches
DRILLING CONTRACTOR Cascade Drilling, L.P.
NORTHING 928366.90 EASTING 1687311.85
DRILLING METHOD Sonic
GROUND WATER LEVELS:
LOGGED BY D. Bishuk CHECKED BY
! DATE/TIME 5/11/2016 8:05:00 AM 3.10 ft
NOTES
1 DATE/TIME ---
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DESCRIPTION
REMARKS
MONITORING
WELL
w
p
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O
��
U
,20
UZ
w
W
0
U)O
0
Refer to GWA-22D for lithology
5
10
15
Bottom of borehole at 18.0 feet.

BORING NUMBER GWA-22D
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 1 OF 2
Phone:[phone]
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CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County, NC
DATE STARTED 5/4/16 COMPLETED 5/11/16 GROUND ELEVATION 732.23 HOLE SIZE(S) 10 inches
DRILLING CONTRACTOR Cascade Drilling, L.P. NORTHING 928366.84 EASTING 1687317.74
DRILLING METHOD Sonic GROUND WATER LEVELS:
LOGGED BY D. Bishuk CHECKED BY DATE/TIME --
NOTES DATE/TIME --
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}
HW
to W
�ZJ
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W
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DESCRIPTION
REMARKS
° W
p
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0
Crushed Stone Rip Rap
Hand Auger 0'-5'
AU-1
60
1'-2' Abundant schist and gneiss clasts
(CL) CLAY WITH SAND, mottled pale olive (5Y
6/4), very pale olive (5Y 7/3), olive gray (5Y 5/2),
dark gray (5Y 4/1), white (9.5N), moist, low
plasticity, cohesive, massive, some clay, littjve
fine to fine sand, trace coarse sand (SOIL)
SC) CLAYEY SAND WITH GRAVEL, yellowish
SD-1
30
3.5' Abundant schist clasts, clast strength is
red (5YR 5/8), pale olive (5Y 6/4), black (5Y
very weak to weak
2.5/1), wet, low plasticity, cohesive, massive,
5
poorly graded, some silt, some fine to medium
gravel, little clay, SAPROLITE
(SM) SILTY SAND WITH GRAVEL, mottled olive
(5Y 4/3, 4/4, 5/3, 5/4), pale olive (5Y 6/3, 6/4),
pale yellow (5Y 6/3, 6/4, 7/4), olive gray (5Y 4/2),
and reddish yellow (7.5YR 6/8), moist,
SD - 2
40
non -plastic, cohesive, massive, some silt, little fine
to coarse gravel, SAPROLITE
Q
Continued: Wet
8.5'-10' Abundant schist clasts, clast strength
is weak to moderate
10
10'-18' Abundant schist clasts, clast strength is
(GP -GM) GRAVEL WITH SILT AND SAND,
mottled yellowish brown (10YR 5/6, 5/8), very
moderate
dark grayish brown (10YR 3/2), and yellowish red
(5YR 5/6), wet, non -plastic, non -cohesive,
massive, little very fine to coarse sand, little silt
SD-3
36
(SAPROLITE)
15
SD-4
45
BIOTITE HORNBLENDE SCHIST, moderate, light
bluish gray (513 7/1), bluish black (56 2.5/1), white
(9N), and brownish yellow (10YR 6/8), intensely
20
foliated, moderately weathered, WEATHERED
ROCK
RQD values are given as 0, mechanical
disturbance of sonic drilling method prevents
meaningful measurement of RQD
(GP -GM) GRAVEL WITH SILT AND SAND,
mottled light olive brown (2.5Y 5/3), greenish gray
20' 6" PVC casing installed and grouted to
(5GY 5/2), dark greenish gray (5GY 4/2), dark
surface 5/7/16
RC-1
50
olive gray (5Y 3/2), and black (5GY 2.5/1), wet,
21'-24' Abundant schist clasts, clast strength is
non -plastic, non -cohesive, massive, some very
strong
[25]
fine to coarse sand, little silt, SAPROLITE

440 S. Church Street, Suite 900
F)I Charlotte, NC 2875
Phone:[phone]
6700
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CLIENT Duke Energy Carolinas
PROJECT NUMBER 269377
BORING NUMBER GWA-22D
PAGE 2OF2
PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT LOCATION Stokes Countv. NC
W �
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C)
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w
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DESCRIPTION
REMARKS
° W
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dU
m0>
O
WO
U
�
o
UZ
W
<0
Lu
0
30
57
67
BIOTITE-CHLORITE-HORNBLENDE SCHIST,
very strong to strong, dark greenish gray (10G
4/1), very dark greenish gray (10BG 3/1),
greenish black (10BG 2.5/1), bluish gray (513 6/1)
light bluish gray (513 7/1), white (9.5N, 8.5N), and
pinkish white (7.5YR 8/2), intensely foliated,
slightly weathered, WEATHERED/FRACTURED
ROCK
Bottom of borehole at 35.0 feet.
25'-35' Stretched and deformed quartzite
pebbles occur locally in felsic foliation bands,
intensely deformed bands, and as outliers in
biotite and chlorite;
Numerous partial open and closed fractures
with quartz mineralization and localized Fe
staining on fracture surfaces; Few albite
augens present

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ��
Appendix B, Sample Photographs
:L I EN T DUKE E:NW6Y
SITE SO-EWS CRF-.EK SS`
wr-u )P GWA -22
PMN 1Ff'rERVAL (FT sets)
T)AT-E- F S/6116
*FOLosrsr yA N RIS q i
CnHKEnrS REPRE.SEl117-A7
SAHPLE Ftll�N f�sr jepj F A01
Photo 1 — GWA-22D: Sample HA-1 Depth: 0.5' - 2.0' Date: 05/06/16
SEWS CREEK
wF ID GWA-2ZD
AEM PKF"VAL -FT "s) 2 —.5"
PATE F s/6//6
eeoio T PAN B/SAjok
C MMEMT,S Sr — l
Photo 2 — GWA-22D: Sample SC-1 Depth: 2.0' - 5.0' Date: 05/06/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
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Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ��
Appendix B, Sample Photographs
Photo 3 — GWA-22D: Sample SC-2 Depth: 5.0' - 10.0' Date: 05/06/16
Photo 4 — GWA-22D: Sample SC-3 Depth: 10.0' - 15.0' Date: 05/06/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ��
Appendix B, Sample Photographs
Photo 5 — GWA-22D: Sample SC-4 Depth: 15.0' - 20.0' Date: 05/06/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

BORING NUMBER GWA-23S
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 1 OF 2
Phone:[phone]
hdrinc.com/follow-us
CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County, NC
DATE STARTED 4/6/16 COMPLETED 4/7/16 GROUND ELEVATION 809.37 HOLE SIZE(S) 6 inches
DRILLING CONTRACTOR Cascade Drilling, L.P. NORTHING 922851.54 EASTING 1683868.75
DRILLING METHOD Sonic GROUND WATER LEVELS:
LOGGED BY T. Campbell CHECKED BY DATE/TIME 4/18/2016 2:30:00 PM 20.90 ft bgs
NOTES 1 DATE/TIME ---
W �
c
o
e
=
} W
H W
U) W
H-
}
Y �
p
z
w-1
00
-j D Q
j
p>
DESCRIPTION
REMARKS
° W
Q
dU
,20
m0�
UZ
0
w
�0
U
o3
U)O
W
0
0
Refer to GWA-23D for lithology
Boring Terminated at 45'
Screened Interval Set at 22'-37'
Monitoring Well Installed on 4/7/2016
5
10
15
20
25

BORING NUMBER GWA-23S
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 2 OF 2
Phone:[phone]
hdrinc.com/follow-us
CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County, NC
W �
c
o
e
=
}
HW
to W
H�
}
Y�
p
z
w-,�
Q
j
p>
DESCRIPTION
REMARKS
° W
p
a0
m0�
0
w0
U
o3
�b
UZ
w
LU
O
�
0
25
30
35
40
45
Bottom of borehole at 45.0 feet.

BORING NUMBER GWA-23D
440 S. Church Street, Suite 900
Charlotte, NC2802-2075 PAGE 1 OF 3
Phone:[phone]
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CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County, NC
DATE STARTED 4/8/16 COMPLETED 4/13/16 GROUND ELEVATION 809.37 HOLE SIZE(S) 9, 4 inches
DRILLING CONTRACTOR Cascade Drilling, L.P. NORTHING 922851.57 EASTING 1683865.80
DRILLING METHOD Sonic GROUND WATER LEVELS:
LOGGED BY T. Campbell CHECKED BY DATE/TIME 4/18/2016 2:25:00 PM 23.80 ft bgs
NOTES 1 DATE/TIME --
W j
c
o
0
W
z
LU v
d 0
>
m O a
O
0 O
Y
DESCRIPTION
REMARKS
° W
UZ
w
W
U
O
o3
QO
cn Z
of
0
(MLS) SANDY SILT, bedded, brownish yellow
Hole Size(s):
(10YR 6/6) and very pale brown (10YR 8/2), dry,
9" 0'-45.5'
fine grained, non -plastic, non -cohesive, trace
5" 45.5'-60.5'
mafics, trace lightly cemented nodules (SOIL)
0'-5' Hand augered to clear utilities
SD-1
39
5
SD-2
53
Continued: white (2.5YR 8/1), few Mn-cemented
nodules with hairline Fe laminae
10
Adding water below 10' due to hard drilling
conditions
Continued: greenish gray (10Y6/1)), with fine to
coarse angular gravel [dark greenish grey (5G
4/1)] with Fe staining
SD-3
50
(ML) SILT, light greenish grey (5GY 7/1), dry,
non -plastic, non -cohesive, with fine to coarse
gravel -sized cemented nodules (SOIL)
15
Very hard drilling, partial recovery, all contacts
appro)amate
SD-4
13
(ML) SILT, brownish yellow (10YR 6/6) to
yellowish brown (10YR 5/6), dry, non -plastic,
cohesive, few kaolin mottles, trace fine sand with
SD-5
30
Mn cemented gravel (SAPROLITE)
20
Y
SD-6
41
25

BORING NUMBER GWA-23D
440 S. Church Street, Suite 900
Charlotte, NC2802-2075 PAGE 2 OF 3
Phone:[phone]
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CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
W j
c
o
0
W
z
LU v
d 0
>
m O a
O
0 O
Y
DESCRIPTION
REMARKS
° W
QO
UZ
w
W
U
O
o3
cn Z
of
of
W
25
(ML) SILT, brownish yellow (10YR 6/6) to
yellowish brown (10YR 5/6), dry, non -plastic,
cohesive, few kaolin mottles, trace fine sand with
Mn cemented gravel (SAPROLITE) (continued)
SD-7
18
30
structure not evident due to reworking by
(ML) SILT WITH SAND, light olive brown (2.5Y-Relict
5/3), moist, fine grained sand, non -plastic,
drilling method, much of the fines are being
cohesive, with Mn and Fe stained nodules and
washed out
laminae, few angular quartz fragments
(SAPROLITE)
SD-8
16
35
SD-9
22
Driller reports drilling in soft, hard, soft zones
40
SD-
12
10
Driller reports rock at approximately 44'
HORNBLENDE GNEISS, chips with Mn and Fe
45
staining (WEATHERED ROCK)
44'-45.5' No recovery
Installed 6" PVC casing to 45.5' bgs, and
grouted to surface on 4/11/2016
RC-1
0
50

440 S. Church Street, Suite 900
F)I Charlotte, NC 2875
Phone:[phone]
6700
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CLIENT Duke Energy Carolinas
PROJECT NUMBER 269377
BORING NUMBER GWA-23D
PAGE 3OF3
PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT LOCATION Stokes Countv. NC
LLJ Z
c
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} W
HW
U W
�ZJ
>-
Y�
p
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w
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j
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WO
DESCRIPTION
REMARKS
OW
p
QO
m0>
UZ
w
w
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0
o�
50
HORNBLENDE GNEISS, chips with Mn and Fe
staining (WEATHERED ROCK) (continued)
Low recovery, as chips, completely reworked,
rig chattering
-
RC-2
10
52.5'-53.5' Soft drilling, mud color change from
gray to light brown
53.5'-58' Rig chattering, return water light
brown
z
55
:.
::•
HORNBLENDE GNEISS, strong, dark gray (N4)
to dark greenish gray (10Y 4/1), gneissic texture,
55.5'-58.7' Moderately to intensely fractured,
-
thinly foliated, slightly weathered (SOUND ROCK)
heavy Fe staining and Mn mineralization on
fractured surfaces, common healed fractures
-
Fracture, open, 40 degree, Fe staining
;.
56.9'-57.1' Joint set, subhorizontal, open,
-
RC-3
100
heavy Fe staining
Fracture, open, subhorizontal, heavy Fe
.�
staining
57.7'-58.1' 3 fractures, open, Fe staining
60
58'-60.5' Return water gray
Bottom of borehole at 60.5 feet.

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment
Appendix B, Sample Photographs
J
Photo 1 — GWA-23D: SC-1 Depth: 5.0' Date: 04/08/16
it• � -
1
L.11URM ENE7RGY
13ELE S C2EEK 1
BMI NC ** : GWA- 23S]
OATE: D4/0'S/t6
DEPT-H: 1 o FT
,GOR (WCr ME-NO01 So 1 G
Photo 2 — GWA-23D: SC-2 Depth: 10.0' Date: 04/08/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
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Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ��
Appendix B, Sample Photographs
©UKIE ENERGY 1W f
EELSJS CeCtK
ami NC. # : GwA- 2! D
0^1-r: 04/02lilp
I1,5 F'r
Photo 3 — GWA-23D: SC-3 Depth: 11.5' Date: 04/08/16
Photo 4 — GWA-23D: SC-3 Depth: 15.0' Date: 04/08/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
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Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ��
Appendix B, Sample Photographs
Photo 5 — GWA-23D: SC-3 Depth: 15.0' Date: 04/08/16
Photo 6 — GWA-23D: SC-5 Depth: 22.0' Date: 04/09/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
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Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ��
Appendix B, Sample Photographs
Dc ykiE ENERGY
BELEWS CeQFK
BaRr ac- GWA-ZI V
Q41"E': 104("0I::;j/I(6
MAPrH : 7-5
oil
coR tWC- M► btu Sort G e
Photo 7 — GWA-23D: SC-6 Depth: 25.0' Date: 04/09/16
Dcsk,F ENERGY
Photo 8 — GWA-23D: SC-7 Depth: 30.0' Date: 04/09/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
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Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ��
Appendix B, Sample Photographs
Photo 9 — GWA-23D: SC-8 Depth: 35.0' Date: 04/09/16
Photo 10 — GWA-23D: SC-8 Depth: 40.0' Date: 04/09/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ��
Appendix B, Sample Photographs
Photo 10 — GWA-23D: Box 1 of 1 Depth: 45.5' — 60.5' Date: 04/12/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
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440 S. Church Street, Suite 900
F)ICharlotte, NC 2802-2075
Phone:[phone]
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BORING NUMBER GWA-24S
PAGE 1 OF 1
CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
DATE STARTED 3130116 COMPLETED 3/30/16 GROUND ELEVATION 640.28 HOLE SIZE(S) 6 inches
DRILLING CONTRACTOR Cascade Drilling, L.P. NORTHING 930055.10 EASTING 1682688.14
DRILLING METHOD Sonic GROUND WATER LEVELS:
LOGGED BY M. Pelletier CHECKED BY DATE/TIME 3/31/2016 8:30:00 AM --- Dry
NOTES DATE/TIME ---
W j
c
o
0
W
z
v
a
O
DESCRIPTION
REMARKS
OW
Wp
d 0
m O >
O
Y
U
z
03
UZ
w
w
O
QO
cn Z
of
of
0
Refer to GW,A-24D for lithology
61
Bottom of borehole at 10.0 feet.
Boring Terminated at 10'
Screened Interval Set at 5'-10'
Monitoring Well Installed on 3/30/16

BORING NUMBER GWA-24D
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 1 OF 1
Phone:[phone]
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CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
DATE STARTED 3/29/16 COMPLETED 3/30/16 GROUND ELEVATION 639.11 HOLE SIZE(S) 9, 4 inches
DRILLING CONTRACTOR Cascade Drilling L.P. NORTHING 930055.04 EASTING 1682694.04
DRILLING METHOD Sonic GROUND WATER LEVELS:
OGGED BY M. Pelletier CHECKED BY DATE/TIME 3/31/2016 8:30:00 AM 10.50 ft bgs
NOTES 1 DATE/TIME ---
LL j
a
C
o
0
_Lu
rt
U)
3: H
}
>
Y
o
ww
w o
0 zj Q
O w
00 >
'X
DESCRIPTION
REMARKS
° W
0
a0
m0>
n0
E0
03
g
UZ
w
w
O
2
�z0
ofD
0
(CL) CLAY WITH SAND, red (2.5YR 5/6), moist,
Hole Size(s):
Ix
low -plasticity, cohesive, with fine sand and granite
9" 0'-12'
cobbles up to 2" (FILL)
5" 12'-20'
0' 5' Hand augered to clear utilities
(SM) SILTY SAND, yellowish red (5YR 4/4),
moist, non -plastic, non -cohesive, with mica and
AU-1
60
weathered rock fragments
(SAPROLITE/WEATHERED ROCK)
5
Continued: yellowish brown (10YR 5/8)
SD-1
48
10
10'-17' Slightly decomposed, abundant Fe and
SD - 2
1 g
MICA SCHIST, strong, white (2.5Y 8/1),
thinly/finely foliated, schistose
Mn staining on fracture surfaces
(WEATHERED/FRACTURED ROCK)
i�
15
RC-1
83
17'-20' Fe and Mn staining on fracture
MICA SCHIST, strong, gray (N5), finely foliated
(SOUND ROCK)
surfaces
RC-2
75
Boring Terminated at 20'
Screened Interval Set at 13'-18'
20
Monitoring Well Installed on 3/30/16
Bottom of borehole at 20.0 feet.

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ��
Appendix B, Sample Photographs
Photo 1 — GWA-24D: Sample HA-1 Depth: 0.0' - 1.0' Date: 03/29/16
Photo 2 — GWA-24D: Sample HA-1 Depth: 1.0' - 5.0' Date: 03/29/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
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Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ��
Appendix B, Sample Photographs
TIAC 6MergtI—&kw r'PaNn
DYIcL Mom: $'I'„
�aMInENTs: 10,4.+
i 4e - -
_ •.r r - T��-.A
i
Photo 3 — GWA-24D: Sample SC-1 Depth: 5.0' - 9.0' Date: 03/29/16
Photo 4 — GWA-24D: Sample SC-2 Depth: 9.0' - 12.0' Date: 03/29/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ��
Appendix B, Sample Photographs
Photo 5 — GWA-24D: RC Box 1 of 1 Depth: 12.0' - 20.0' Date: 03/29/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
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BORING NUMBER GWA-25BR
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 1 OF 5
Phone:[phone]
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CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
DATE STARTED 4/22/16 COMPLETED 4/27/16 GROUND ELEVATION 852.48 HOLE SIZE(S) 9, 5, 3.75 inches
DRILLING CONTRACTOR Cascade Drilling L.P. NORTHING 922791.75 EASTING 1680990.97
DRILLING METHOD Sonic GROUND WATER LEVELS:
LOGGED BY M. Pelletier CHECKED BY DATE/TIME ---
NOTES DATE/TIME ---
LL j
a
C
8
0
_Lu
rt
U)
3: H
}
>
Y
o
ww
w o
0 zj Q
ODw
U0 >
DESCRIPTION
REMARKS
° W
0
aU
m0>
n0
E0
03
g0
UZ
w
w
O
�z
of0
(CL) SANDY LEAN CLAY, red (10YR 4/6),
Hole Size(s):
non -plastic, moist, cohesive, micaceous, with
9" 0'-57'
roots and organic matter (SOIL)
5" 57'-100'
3.75" 100'-105'
0'-5' Hand augered to clear utilities
(SM) SILTY SAND, reddish yellow (5R 6/8),
AU-1
60
non -plastic, non -cohesive, moist, less mica than
above, with roots and organic matter
(SAPROLITE)
5
Begin drilling with 8" core barrel without water
SD-1
60
Continued: colors including yellow (10YR 7/8) and
light red (2.5YR 6/8)
10
SD-2
60
15
SD-3
60
(SC) CLAYEY SAND, red (2.5YR 4/6),
non -plastic, moist, slightly cohesive, with traces of
mica (SAPROLITE)
20
SD-4
60
(CL) LEAN CLAY WITH SAND, red (2.5YR 4/6),
plastic, moist, cohesive, micaceous (SAPROLITE)
25

BORING NUMBER GWA-25BR
440 S. Church Street, Suite 900
Charlotte, NC2802-2075 PAGE 2 OF 5
Phone:[phone]
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CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
W j
c
o
0
W
z
Wp v
d 0
>
m O a
O
0 O
Y
DESCRIPTION
REMARKS
° W
z
QO
UZ
w
W
U
O
03
cn Z
of
0'
W
25
(SC) CLAYEY SAND, red (2.5YR 4/6),
non -plastic, moist, slightly cohesive, with traces of
mica (SAPROLITE) (continued)
SD - 5
36
(SM) SILTY SAND, reddish yellow (5R 6/8) and
yellow (10YR 7/8), non -plastic, non -cohesive,
Getting hard to drill
moist, with mica (SAPROLITE)
SD-6
24
30
Core is more cohesive and appears wetter
than above
(SM) SILTY SAND, reddish yellow (5YR 6/8) and
yellowish brown (10YR 5/8) and very pale brown
(10YR 7/3), wet, non -plastic, non -cohesive, with
SD - 7
60
traces of mica, former rock textures visible core
sample (SAPROLITE)
35
Continued: colors including red (7.5R 5/6) and
reddish yellow (7.5R 7/6)
SD-8
48
39'-40' Difficulty retrieving the first core, driller
SD-9
12
40
advances 9" drill casing using water to
advance to 40'
Continued: color mostly yellowish brown (10YR 5/8)
SD-
10
F0
45
SD-
11
48
50

BORING NUMBER GWA-25BR
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 3 OF 5
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CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County, NC
W �
c
o
e
H
}
HW
to W
�ZJ
Y�
p
C)
z
w
W
CL
_3� Q
j
O
p>
WO
DESCRIPTION
REMARKS
° W
p
QO
m0>
UZ
w
w
U
O
o�
50
Continued: color mostly yellowish brown (10YR 5/8)
(continued)
MICA SCHIST, moderate, greenish gray (10Y
Driller reports top of rock, starts drilling with
6/1), schistose, intensely foliated, slightly
water
decomposed, slightly disintegrated, intensely
fractured with evidence Fe and Mn staining, minor
lenses of quartz -feldspar gneiss (PARTIALLY
-
48
WEATHERED ROCK)
12
55
MICA SCHIST with minor quartz feldspar gneiss,
as above, but strong, fresh, and with no evidence
of staining by Fe or Mn (SOUND ROCK)
Driller set 6" PVC to 56', driller starts to core at
56' using 3"x5" system (OD = 0.40')
QUARTZ -FELDSPAR GNEISS, strong, greenish
56'-65' Falling head test, no take
gray (5GY 6/1), thinly banded, fresh, competent,
unfractured with few thin layers of mica schist,
RC-1
67
trace pyrite on broken surfaces (SOUND ROCK)
60
60'-65' Driller reports hard/soft drilling
RC-2
60
MICA SCHIST weak, black (N2), schistose,
laminated, slightly decomposed, slightly
disintegrated, unfractured, with trace pyrite on
65
broken surfaces (SOUND ROCK)
65'-70' Driller reports 1' of easy drilling,
RC - 3
40
remainder hard drilling
QUARTZ -FELDSPAR GNEISS, strong, greenish
Driller changes out drill bit to improve recovery
gray (5GY 6/1), thinly banded, fresh, competent,
unfractured with few thin layers of mica schist,
trace pyrite on broken surfaces (SOUND ROCK)
RC-4
73
70
56'-70' Falling head test, 0.11 feet of change
MICA SCHIST/QUARTZ-FELDSPAR GNEISS,
sample is banded and appears to be
in 15 minutes
approximately half quartz -feldspar gneiss and half
mica schist as described above (SOUND ROCK)
RC-5
32
70'-75' Falling head test aborted, no take
70'-80' Falling head test aborted, no take
75

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hdrinc.com/follow-us
CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County, NC
W �
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to W
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DESCRIPTION
REMARKS
° W
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75
MICA SCHIST/QUARTZ-FELDSPAR GNEISS,
sample is banded and appears to be
approximately half quartz -feldspar gneiss and half
Driller reports run drilled like previous run
mica schist as described above (SOUND ROCK)
RC-6
80
80'-90' Falling head test, 0.17 feet of change
in 15 minutes
RC-7
68
85
86-100' Falling head test, 1.02 feet of change
in 15 minutes
RC-8
15
90
RC-9
66
95
r.
RC -
5
6
10
100

440 S. Church Street, Suite 900
Charlotte, NC2875
Phone:[phone]
hdrinc.com/follow-us
CLIENT Duke Energy Carolinas
PROJECT NUMBER 269377
BORING NUMBER GWA-25BR
PAGE 5OF5
PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT LOCATION Stokes Countv. NC
LLJ Z
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DESCRIPTION
REMARKS
OW
p
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w0
w
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w
0
100
MICA SCHIST/QUARTZ-FELDSPAR GNEISS,
100'-105' Falling head test, 0.06 feet of
sample is banded and appears to be
change in 15 minutes
_
approximately half quartz -feldspar gneiss and half
mica schist as described above (SOUND ROCK)
RC -
64
105
Bottom of borehole at 105.0 feet.

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ��
Appendix B, Sample Photographs
Photo 1 — GWA-25BR: Sample HA-1 Depth: 0.0' - 2.0' Date: 04/25/16
Photo 2 — GWA-25BR: Sample HA-1 Depth: 2.0' - 5.0' Date: 04/25/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
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Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ��
Appendix B, Sample Photographs
Photo 3 — GWA-25BR: Sample SC-1 Depth: 5.0' - 10.0' Date: 04/25/16
tt�
Photo 4 — GWA-25BR: Sample SC-2 Depth: 10.0' - 15.0' Date: 04/25/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ��
Appendix B, Sample Photographs
Photo 5 — GWA-25BR: Sample SC-3 Depth: 15.0' - 20.0' Date: 04/25/16
r
P
'rt �
V''
BoREHoLF- : GWA-259R
TXPTH : 20.0— Z5 0'
��II.L 1�IFTF� : $-iM Corr t�Yie�
CoMMEN?S
Photo 6 — GWA-25BR: Sample SC-4 Depth: 20.0' - 25.0'
Date: 04/25/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ��
Appendix B, Sample Photographs
S L
r
Photo 7 — GWA-25BR: Sample SC-5 Depth: 25.0' - 28.0' Date: 04/25/16
10
r!A-4
dd T F
1,Y•
Photo 8 — GWA-25BR: Sample SC-6 Depth: 28.0' - 30.0' Date: 04/25/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ��
Appendix B, Sample Photographs
Photo 9 — GWA-25BR: Sample SC-7 Depth: 30.0' - 35.0' Date: 04/25/16
Photo 10 — GWA-25BR: Sample SC-8 Depth: 35.0' - 39.0' Date: 04/25/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ��
Appendix B, Sample Photographs
9 '- •jj'I7�yyy
R
s ? _{�
.z�
DtLke fne.rq��r
BOR.��c i GWA -25BR
-� 40. o'_ IT5, o'
T" , 8-io Sonic.
rtr Mhb.�,i�l'l'S
Photo 11 — GWA-25BR: Sample SC-10 Depth: 40.0' - 45.0' Date: 04/25/16
Photo 12 — GWA-25BR: Sample SC-11 Depth: 45.0' - 50.0' Date: 04/25/16
hdrinc.com
440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ��
Appendix B, Sample Photographs
4aha.
6R
- i�nrr+ Sc.a'-Sion
Photo 13 — GWA-25BR: Sample SC-12 Depth: 50.0' - 57.0'
a+ v'
it 4 y
,7 -
KS
laln)? -2P,R
ik
RUH I&P
RC1 510
{Ru'v Tcp B dvh R
Date: 4/25/16
Photo 14 — GWA-25BR: Box 1 of 3 Depth: 57.0' -75.0' Date: 04/25/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ��
Appendix B, Sample Photographs
�5C55-Posh �Sp
1(h Top 'i5,� ?,, 'RaD' ` un 7-�-
C-r 750 600 /a j c��zg Rr-T? into
8�,-o3..4/5, 5 F5,9-
lZr) ff�`- 4/2Irorr'(a
(co,�..�.t»
y,C 8 850 990 oa/y., ais4�.o
6--�;
Photo 15 — GWA-25BR: Box 2 of 3 Depth: 75.0' - 99.5' Date: 04/25/16
I.f �,�rn 95F.o- rrbo z.e/sa y�.o
OK -S J 3 uC-It I 050 3 p� � r
Photo 15 — GWA-25BR: Box 3 of 3 Depth: 99.5' - 105.0' Date: 04/26/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

BORING NUMBER GWA-26S
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 1 OF 3
Phone:[phone]
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CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County, NC
DATE STARTED 4/30/16 COMPLETED 4/30/16 GROUND ELEVATION 852.87 HOLE SIZE(S) 5 inches
DRILLING CONTRACTOR Cascade Drilling, L.P. NORTHING 922897.0 EASTING 1681021.60
DRILLING METHOD Sonic GROUND WATER LEVELS:
LOGGED BY M. Pelletier CHECKED BY DATE/TIME ---
NOTES DATE/TIME ---
W j
=
H W
U) W
H p
}
Y
p
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wwLu
0
-1 D Q
j
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DESCRIPTION
REMARKS
° W
p
dU
m0�
0
�0
U
o3
g0
UZ
w
Lu
U)O
0
0
Refer to GWA-26BR for lithology
5
10
15
20
25

BORING NUMBER GWA-26S
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 2 OF 3
Phone:[phone]
hdrinc.com/follow-us
CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
W j
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o
0
W
z
Wp v
d 0
>
m O a
O
0 O
Y
DESCRIPTION
REMARKS
° W
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20
UZ
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0
25
Refer to GWA-26BR for lithology (continued)
30
35
40
45
50

440 S. Church Street, Suite 900
F)I Charlotte, NC 2875
Phone:[phone]
6700
hdrinc.com/follow-us
CLIENT Duke Energy Carolinas
PROJECT NUMBER 269377
BORING NUMBER GWA-26S
PAGE 3OF3
PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT LOCATION Stokes Countv. NC
W Z
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DESCRIPTION
REMARKS
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p
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50
Refer to GWA-26BR for lithology (continued)
...:
Bottom of borehole at 51.0 feet.

BORING NUMBER GWA-26D
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 1 OF 3
Phone:[phone]
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CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
DATE STARTED 4/30/16 COMPLETED 5/2/16 GROUND ELEVATION 854.0 HOLE SIZE(S) 9 inches
DRILLING CONTRACTOR Cascade Drilling L.P. NORTHING 922897.06 EASTING 1681015.70
DRILLING METHOD Sonic GROUND WATER LEVELS:
LOGGED BY M. Pelletier CHECKED BY DATE/TIME ---
NOTES DATE/TIME ---
LL j
a
C
8
0
_Lu
rt
U)
3: H
}
>
Y
o
ww
o
0 zj Q
o w
p>
DESCRIPTION
REMARKS
° W
0
aU
m0>
n0
E0
03
g0
UZ
w
w
O
�z
0
Refer to GWA-26BR for lithology
However, note that this boring drill very differently
than S boring (7' away) and the BR boring (14'
away). Weathered mica schist was present, off
and on from 10 ft depth. Top of rock noted by
driller at 55', cut socket to 58' with 1' of fall back
will set PVC to 57'
5
10
15
20
25

BORING NUMBER GWA-26D
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 2 OF 3
Phone:[phone]
hdrinc.com/follow-us
CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
LL j
a
c
o
0
_UJ
rt
U)
3: H
}
>
Y
o
ww
w 0
� zj Q
O w
p>
DESCRIPTION
REMARKS
° W
0
aU
m0><no
a�O
U
o3
gb
UZ
w
w
O
U)z0
a
25
30
35
40
45
50

BORING NUMBER GWA-26D
440 S. Church Street, Suite 900
Charlotte, NC2802-2075 PAGE 3 OF 3
Phone:[phone]
hdrinc.com/follow-us
CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
W j
c
o
0
W
z
v
a
O
DESCRIPTION
REMARKS
° W
Wp
d 0
m O >
O
Y
U
z
o3
UZ
w
W
O
QO
cn Z
50
55
60
65
70
Bottom of borehole at 70.0 feet.

BORING NUMBER GWA-26BR
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 1 OF 5
Phone:[phone]
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CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
DATE STARTED 4/27/16 COMPLETED 4/30/16 GROUND ELEVATION 851.864 HOLE SIZE(S) 9, 5 inches
DRILLING CONTRACTOR Cascade Drilling L.P. NORTHING 922896.93 EASTING 1681027.49
DRILLING METHOD Sonic GROUND WATER LEVELS:
LOGGED BY M. Pelletier CHECKED BY DATE/TIME ---
NOTES DATE/TIME ---
LL j
a
C
o
0
_Lu
rt
U)
3: H
}
>
Y
o
ww
o
0 zj Q
o w
U0 >
DESCRIPTION
REMARKS
° W
0
aU
m0>
n0
E0
03
g0
UZ
w
w
O
�z
of
0
(SM) SILTY SAND, brownish yellow (10YR 6/6)
and reddish brown (2.5Yr 5/4), non -plastic,
non -cohesive, dry, with stones (up to 0.3 ft
4/27/16- Driller begins drilling new corehole
across), roots and organics (SOIL AND FILL)
using 8" core barrel without water
AU-1
60
ROD values are suspect because of intense
mechanical disturbance of the rock core
(SW) WELL GRADED SAND, very pale brown
(10YR 7/4), non -plastic, non -cohesive, dry, trace
mica, abundant friable rock fragments (mica
5
schist?) with manganese stains (SAPROLITE)
SD-1
60
Rock fragments become stronger with depth
(SM) SILTY SAND, strong brown (7.5YR 5/6),
non -plastic, non -cohesive, moist, with abundant
mica and black staining on friable fragments of
10
mica schist (SAPROLITE)
(SM) SILTY SAND, red (2.5YR 4/6), non -plastic,
non -cohesive, moist, with abundant mica and
black staining on friable fragments of mica schist
(SAPROLITE)
SD-2
60
15
(SM) SILTY SAND, as above, with color change
SD-3
42
to very pale brown (10YR 7/4) and rock fragments
of mica schist are moderate to strong
(SAPROLITE)
SD-4
54
20
SD-5
24
25

BORING NUMBER GWA-26BR
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 2 OF 5
Phone:[phone]
hdrinc.com/follow-us
CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
LL j
a
C
o
0
_uj
rt
U)
3: H
}
>
Y
o
ww
w 0
� zj Q
O w
p>
DESCRIPTION
REMARKS
° W
0
0-
m0><no
a�O
U
o3
g�
UZ
w
w
O
0
U)z0
a
25
(SM) SILTY SAND, as above, with color change
to very pale brown (10YR 7/4) and rock fragments
of mica schist are moderate to strong
(SAPROLITE) (continued)
continued from 16.0 ft, but rock fragments (mica
SD-6
60
schist) are weathered and friable
30
SD-7
36
material grading to brown (7.5 YR 5/4) at bottom
35
SD-8
48
as above, but color change to variegated white
(10YR 8/1) and very pale brown (10YR 7/3)
37.0': First indication of wet samples
SD-9
36
(SM) SILTY SAND, variegated yellowish brown
40
(10YR 5/6) and very pale brown (10YR 8/3), with
silt and trace fine mica, moist to wet, non -plastic,
non -cohesive, some rock fragments are strong
but most are still friable (SAPROLITE)
SD-
60
10
43-44': Very Wet
45
45.0': Driller advancing 9" drill casing to keep
hole open
SD-
60
11
50

BORING NUMBER GWA-26BR
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 3 OF 5
Phone:[phone]
hdrinc.com/follow-us
CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
LL j
a
C
o
0
_uj
rt
U)
3: H
}
>
Y
o
ww
w 0
� zj Q
O w
p>
DESCRIPTION
REMARKS
° W
0
0-
m0><no
a�O
U
o3
g�
UZ
w
w
O
0
U)z0
af
D
50
(SM) SILTY SAND, very pale brown (10YR 8/3),
non -plastic, non -cohesive, moist, with abundant
mica. sample is composed of disintegrated and
weathered mica schist. Several large fragments
(up to 9 inches) of strong mica schist
-
60
(SAPROLITE and PARTIALLY WEATHERED
12
ROCK)
55
5': start to use water to advance 8" barrel
MICA SCHIST, moderate strength, gray (N6), on
fresh surface, strong brown (7.5 YR 4/6) to black
SD-
on weathered surface/fractures stained by iron
13
and manganese, schistose, laminated, moderately
decomposed, moderately disintegrated,
moderately fractured with pyrite and weathered
garnets on broken surfaces (PARTIALLY
WEATHERED ROCK)
60
60': Stained coring with 9x8 system with
water. Easy drilling
65
SD-
14
70
MICA GNEISS, moderate to weak, light olive
brown (2.5YR 5/4), thinly foliated (WEATHERED
ROCK/FRACTURED ROCK) intermixed with QTZ
SD-
FELDSPAR GNEISS, strong bluish gray (1013
15
6/1), gneissic structure, thinly foliated (ROCK)
Due to photosonic sample process, relative
75
location of gneiss could not be identified

BORING NUMBER GWA-26BR
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 4 OF 5
Phone:[phone]
hdrinc.com/follow-us
CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
LL j
a
C
o
0
_uj
rr
U)
3: H
}
>
Y
o
ww
w 0
� zj Q
O w
p>
DESCRIPTION
REMARKS
° W
0
0-
m0><no
a�O
U
g�
UZ
w
w
O
o3
0
U) Z
a
75
QUARTZ -FELDSPAR GNEISS, strong, bluish
Driller indicates large feature is present, losing
gray (1013 6/1) to light olive gray (5Y 6/2), thinly
a lot of water to formation (no falling head test
foliated with quartz and calcite veins (continued)
can be performed)
SD -
16
80
Falling head test #1 conducted at—80-90'.
Excellent flow into formation.
85
SD -
17
90
Falling head test #2 conducted at 90-100'. No
flow of water into formation.
95
SD -
18
100

440 S. Church Street, Suite 900
F)ICharlotte, NC 2802-2075
Phone:[phone]
hdrinc.com/follow-us
CLIENT Duke Energy Carolinas
PROJECT NUMBER 269377
BORING NUMBER GWA-26BR
PAGE 5OF5
PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT LOCATION Stokes Countv. NC
W j
c
o
0
w
v
a
O
DESCRIPTION
REMARKS
° W
wp
d 0
m O >
O
0
Y
U
z
03
QO
UZ
w
w
O
100
Falling head test #3 conducted at 100-110'.
still
110
Bottom of borehole at 110.0 feet.

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ���
Appendix B, Sample Photographs
©uKI: IfULr : Ca WA- � C QR
DEP7�4 0,0'_2 d'
SKILL hard
Photo 1 — GWA-26BR: Sample HA-1 Depth: 0.0' - 2.0' Date: 05/03/16
Photo 2 — GWA-26BR: Sample HA-2 Depth: 3.0' - 5.0' Date: 05/03/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
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Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ���
Appendix B, Sample Photographs
Photo 3 — GWA-26BR: Sample SC-1 Depth: 5.0' - 10.0' Date: 05/03/16
Photo 4 — GWA-26BR: Sample SC-2 Depth: 10.0' - 15.0' Date: 05/03/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ���
Appendix B, Sample Photographs
Photo 5 — GWA-26BR: Sample SC-3 Depth: 15.0' - 18.5' Date: 05/03/16
Photo 6 — GWA-26BR: Sample SC-4 Depth: 18.5' - 25.0' Date: 05/03/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ���
Appendix B, Sample Photographs
Photo 7 — GWA-26BR: Sample SC-6 Depth: 25.0' - 30.0' Date: 05/03/16
Photo 8 — GWA-26BR: Sample SC-7 Depth: 30.0' - 33.0' Date: 05/03/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ���
Appendix B, Sample Photographs
Photo 9 — GWA-26BR: Sample SC-8 Depth: 33.0' - 37.0' Date: 05/03/16
ISiW.A- Z G Sat
TXpT-r 37, v'-- -'1O, a
Kits. M : 6-iH so";c
.j
CoMM��1w7S
Photo 10 — GWA-26BR: Sample SC-9 Depth: 37.0' - 40.0' Date: 05/03/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Duke Energy Carolinas, LLC Belews Creek Steam Station - CSA Groundwater Assessment ���
Appendix B, Sample Photographs
I � �
r i
BOREHOLE . 451#A- 2 6 $�
4o, o'-v
Photo 11 — GWA-26BR: Sample SC-10 Depth: 40.0' - 45.0'
A -
Date: 05/03/16
Photo 12 — GWA-26BR: Sample SC-11 Depth: 45.0' — 50.0' Date: 05/03/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ���
Appendix B, Sample Photographs
Photo 13 — GWA-26BR: Sample SC-12 Depth: 50.0' — 55.0' Date: 05/03/16
Photo 14 — GWA-26BR: Sample SC-13 Depth: 55.0' — 60.0' Date: 05/03/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

kM
P-Z.-Oz�n?
T9
•
T r 4V
65%
4y-rAl _14
T-
A h.
IF

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ���
Appendix B, Sample Photographs
Photo 17 — GWA-26BR: Box 3 of 3 Depth: 110.0'-120.0' Date: 05/03/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

BORING NUMBER GWA-27S
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 1 OF 2
Phone:[phone]
hdrinc.com/follow-us
CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County, NC
DATE STARTED 5/16/16 COMPLETED 5/16/16 GROUND ELEVATION 755.79 HOLE SIZE(S) 6 inches
DRILLING CONTRACTOR Cascade Drilling, L.P. NORTHING 928445.63 EASTING 1681365.03
DRILLING METHOD Sonic GROUND WATER LEVELS:
LOGGED BY C. Portela CHECKED BY DATE/TIME 5/24/2016 7:15:00 AM 8.60 ft
NOTES 1 DATE/TIME ---
W �
c
o
e
=
} W
HW
U) W
H�
}
Y�
p
z
w-1
00
-1 D Q
j
p>
DESCRIPTION
REMARKS
° W
p
dU
m0�
0
�0
U
o3
,20
UZ
w
W
U)O
0
0
Refer to GWA-27D for lithology
5
Y
10
15
20
25

440 S. Church Street, Suite 900
F)I Charlotte, NC 2875
Phone:[phone]
6700
hdrinc.com/follow-us
CLIENT Duke Energy Carolinas
PROJECT NUMBER 269377
BORING NUMBER GWA-27S
PAGE 2OF2
PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT LOCATION Stokes Countv. NC
W Z
c
o
e
H
HW
ZJ
Y�
C)
z
z�
w
W
Q
j
p>
DESCRIPTION
REMARKS
OW
p
dU
m0>
O
w0
U
o3:
Q
UZ
w
w
0
O
25
Boring terminated at 27', screened interval set
at 7'-22', monitoring well installed 5/16/16
::...:..
Bottom of borehole at 27.0 feet.

BORING NUMBER GWA-27D
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 1 OF 2
Phone:[phone]
hdrinc.com/follow-us
CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
DATE STARTED 5/14/16 COMPLETED 5/17/16 GROUND ELEVATION 755.73 HOLE SIZE(S) 10, 4 inches
DRILLING CONTRACTOR Cascade Drilling L.P. NORTHING 928441.99 EASTING 1681365.0
DRILLING METHOD Sonic GROUND WATER LEVELS:
LOGGED BY B. Doran, C. Portela CHECKED BY DATE/TIME 5/24/2016 7:12:00 AM 9.90 ft
NOTES 1 DATE/TIME ---
LL j
a
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0
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3: H
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>
Y
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ww
w o
zj Q
O w
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DESCRIPTION
REMARKS
° W
0
aU
m0>
n0
E0
g0
UZ
w
w
O
03
� Z
of0
(ML) SILTY SAND, red (2.5YR 4/8), moist,
0'-6' Fe staining throughout
non -plastic, non -cohesive, trace clay, micaceous,
with fragments of weathered rock (SAPROLITE)
SD-1
60
5
6' Scattered Fe staining
(SW-SM) SAND WITH SILT AND GRAVEL,
brown (10YR 4/3), moist, non -plastic,
non -cohesive, micaceous, with fragments of
weathered mica schist (SAPROLITE)
SD-2
108
Continued: strong brown (7.5YR 4/6)
10
15
SD-3
36
Continued: brown (10YR 4/3)
Continued: dry
20
SD-4
84
24'-27' Recovered as pulverized rock and rock
25
fragments

BORING NUMBER GWA-27D
440 S. Church Street, Suite 900
Charlotte, NC2802-2075 PAGE 2 OF 2
Phone:[phone]
hdrinc.com/follow-us
CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
W j
c
o
0
W
z
Wp v
d 0
>
m O a
O
0 O
Y
DESCRIPTION
REMARKS
° W
QO
UZ
w
W
U
O
o3
cn Z
of
0'
W
25
SD - 5
36
MICA SCHIST, strong, very dark gray (10YR 3/1)
5-29' Weathered and pulverized; Slight Fe
and very pale brown (10YR 8/2), schistose,
staining throughout
porphyroblastic (WEATHERED ROCK)
(continued)
SD-6
24
29'-31' Intensely fractured, vuggy
QUARTZITE, strong to very strong, gray (5N),
30
SD-7
massive, garnetiferous (WEATHERED ROCK)
31' 6" PVC casing installed, placed bentonite
chips in annulus from 29'-31'
MICA SCHIST, very dark gray (10YR 3/1), strong
ROD values not estimated and reported as
(WEATHERED ROCK)
zero due to excessive mechanical disturbance
caused by drilling method
31'-35' Fe stained
RC-1
38
35
--------------------
35'-40' Driller noted softer material and brown
return water, likely unconsolidated material
washed out during drilling
40
_ _ _ ------------------
MICA SCHIST, very dark gray (10YR 3/1), strong
RC - 2
31
(WEATHERED ROCK)
(SW-SM) SAND WITH SILT AND GRAVEL,
brown (10YR 4/3), moist, non -plastic, cohesive,
Boring terminated at 44.3', screened interval
micaceous, with rock fragments of mica gneiss
set at 38'-43', monitoring well installed 5/17/16
(SAPROLITE)
Bottom of borehole at 44.3 feet. pH measured at 6.5 prior to grouting of well

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ���
Appendix B, Sample Photographs
11
IIWS STEAM SiH�tic,;�,
E�
C3cpKis , 6vWA--;—Z-U�
SAMPLE,
pEPTH= 5'
IZ�COV¢RY: I � 3`
DATE r41�
a
Photo 1 - GWA-2711): Sample SC-1 - Depth: 5' - Date: 05/14/16
..BELL-W55TEAM
smrw, WA S
DEPTH= fib'
Q�Cav¢ay: 13 3
DATE ± 14 /r
{
Photo 2 - GWA-27D: Sample SC-1 - Depth: 10' - Date: 05/14/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment
Appendix B, Sample Photographs
Photo 3 — GWA-27D: Sample SC-1 - Depth: 14' - Date: 05/14/16
Photo 4 — GWA-27D: Sample SC-3 - Depth: 20' - Date: 05/14/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ���
Appendix B, Sample Photographs
�• ice`: -..!.�
Photo 5 — GWA-27D: Sample SC-4 - Depth: 24-27' - Date: 05/14/16
1*
Photo 6 — GWA-27D: Sample SC-5 - Depth: 27-29' -
Date: 05/14/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ���
Appendix B, Sample Photographs
IIAPI pi'I
DF-FIT
Rfl-"OVERY .2(0-
CArE
Photo 7 — GWA-27D: Sample SC-6 - Depth: 29-31' - Date: 05/14/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

BORING NUMBER GWA-27BR
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 1 OF 5
Phone:[phone]
hdrinc.com/follow-us
CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
DATE STARTED 5/17/16 COMPLETED 5/21/16 GROUND ELEVATION 755.46 HOLE SIZE(S) 10, 4 inches
DRILLING CONTRACTOR Cascade Drilling L.P. NORTHING 928449.24 EASTING 1681368.02
DRILLING METHOD Sonic GROUND WATER LEVELS:
LOGGED BY C. Portela, D. Bishuk CHECKED BY DATE/TIME 5/24/2016 7:18:00 AM 25.20 ft
NOTES 1 DATE/TIME ---
LL j
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0
_LLJ
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3: H
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>
Y
o
ww
w o
zj Q
O w
0>
DESCRIPTION
REMARKS
° W
0
aU
m0>
n0
E0y
03
g0
UZ
w
w
O
�z
0
Refer to GWA-27D for lithology 0'-45'
5
10
15
20
25

BORING NUMBER GWA-27BR
440 S. Church Street, Suite 900
Charlotte, NC2802-2075 PAGE 2 OF 5
Phone:[phone]
hdrinc.com/follow-us
CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
W j
c
o
0
W
CYz
Wp v
d 0
>
m O a
O
O
Y
DESCRIPTION
REMARKS
° W
UZ
w
W
U
O
o3
QO
cn Z
25
30
35
40
45
SILLIMANITE MICA SCHIST, strong to very
strong, mottled very dark greenish gray (10G 3/1),
RC-1
100
very dark brown (10YR 3/2), dark yellowish brown
6" PVC casing installed
(10YR 3/6), weak red (5R 4/4), white (9.5N), and
ROD values estimated due to excessive
R
light bluish gray (5PB 7/1, 8/1), intensely foliated,
mechanical disturbance caused by drilling
slightly to moderately weathered (WEATHERED
method
ROCK)
45'-50' Abundant biotite and sillimanite; pyrope
garnet porphyroblasts are common; stretched
pebble augens of quartz and plagioclase are
rare
50

BORING NUMBER GWA-27BR
440 S. Church Street, Suite 900
Charlotte, NC2802-2075 PAGE 3 OF 5
Phone:[phone]
hdrinc.com/follow-us
CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
W j
c
o
0
W
z
Wp v
d 0
>
m O a
O
0 O
Y
DESCRIPTION
REMARKS
° W
QO
UZ
w
W
U
O
o3
(n Z
of
of
W
50
SILLIMANITE MICA SCHIST, very strong, mottled
0'-67' Abundant biotite and sillimanite; pyrope
very dark gray (10YR 3/1), very dark brown (10YR
garnet porphyroblasts are common; stretched
3/2), dark yellowish brown (10YR 3/6), weak red
pebble augens of quartz and plagioclase are
(5R 4/4), white (9.5N), and light bluish gray (5PB
uncommon
RC-2
67
7/1, 8/1), intensely foliated, fresh (SOUND
ROCK)
55
RC-3
100
60
RC-4
80
65
67'-77' Abundant biotite and sillimanite; pyrope
garnet porphyroblasts are common; stretched
pebble augens of quartz and plagioclase are
common
70
RC-5
90
72'-75' Two closed fractures with quartz
mineralization, 80°-85°
75

BORING NUMBER GWA-27BR
440 S. Church Street, Suite 900
Charlotte, NC2802-2075 PAGE 4 OF 5
Phone:[phone]
hdrinc.com/follow-us
CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
W j
c
o
0
W
z
Wp v
d 0
>
m O a
O
0 O
Y
DESCRIPTION
REMARKS
° W
QO
UZ
w
W
U
O
o3
(n Z
of
of
W
75
SILLIMANITE MICA SCHIST, very strong, mottled
very dark gray (10YR 3/1), very dark brown (10YR
3/2), dark yellowish brown (10YR 3/6), weak red
(5R 4/4), white (9.5N), and light bluish gray (5PB
7/1, 8/1), intensely foliated, fresh (SOUND
ROCK) (continued)
7'-87' Abundant biotite and sillimanite; pyrope
garnet porphyroblasts are common; stretched
pebble augens of quartz and plagioclase are
uncommon
80
RC-6
81
85
86'-96' Abundant biotite and sillimanite; pyrope
garnet porphyroblasts are common; stretched
pebble augens of quartz and plagioclase are
uncommon
86'-86.5' Fracture, 751, partially open, Mn
stained
90
RC-7
92
95
96'-1 01'Abundant biotite and sillimanite;
pyrope garnet porphyroblasts are common;
stretched pebble augens of quartz and
plagioclase are uncommon
RC-8
100
98'-100' Two closed fractures with quartz
mineralization, 800-850
100

BORING NUMBER GWA-27BR
440
Charlotte,
S. Church Street,
NC2802-2075
Suite 900
PAGE 5 OF 5
Phone:[phone]
hdrinc.com/follow-us
CLIENT Duke Energy
Carolinas
PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377
PROJECT LOCATION Stokes County NC
W j
c
o
0
W
Lu
z
Wp v
d 0
>
m O a
FD
O
0 O
Y
DESCRIPTION
REMARKS
° W
UZ
w
W
U O
o3
QO
(n Z
of
W
100
SILLIMANITE MICA SCHIST, very strong, mottled
very dark gray (10YR 3/1), very dark brown (10YR
3/2), dark yellowish brown (10YR 3/6), weak red
01'-116' Abundant biotite and sillimanite;
(5R 4/4), white (9.5N), and light bluish gray (5PB
pyrope garnet porphyroblasts are common;
7/1, 8/1), intensely foliated, fresh (SOUND
stretched pebble augens of quartz and
ROCK) (continued)
plagioclase are uncommon
RC-9
100
105
108'-109.5' Fracture, 600, partially open, Mn
r.
RC -
10
100
stained
110
111.5-113 Three fractures, 700, 750, and 901,
partially open, Mn stained, quartz
mineralization
RC -
11
100
115
Boring terminated at 116', screened interval
set at 108'-113', monitoring well installed
5/21 /16
Bottom of borehole at 116.0 feet.

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ���
Appendix B, Sample Photographs
ReC.scc4t Dnka :-,a�:
GWa-21'6
Bo* i of I
Duke Energy
$efews Creek -EC-Rb«-C-F'
gorinJA++�'A-27f�
5/i7/l,
® C-ASCAT
sc)N tC-
Photo 1 - GWA-27BR: Box 1 of 7 - Depth: 47.0' - 61.0' Date: 05/19/16
Photo 2 - GWA-27BR: Box 3 of 7 - Depth: 70.8' - 86.0' Date: 05/19/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ���
Appendix B, Sample Photographs
Photo 3 — GWA-27BR: Box 4 of 7 - Depth: 81.6' — 91.8' Date: 05/20/16
'A EE.L '5
6-All
C-ASC
SON
Photo 4 — GWA-27BR: Box 5 of 7 - Depth: 91.8' - 103' Date: 05/20/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

BORING NUMBER MW-201 BR
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 1 OF 5
Phone:[phone]
hdrinc.com/follow-us
CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
DATE STARTED 4/6/16 COMPLETED 4/20/16 GROUND ELEVATION 781.37 HOLE SIZE(S) 9, 4 inches
DRILLING CONTRACTOR Cascade Drilling L.P. NORTHING 928567.62 EASTING 1686927.90
DRILLING METHOD Sonic GROUND WATER LEVELS:
LOGGED BY M. Pelletier CHECKED BY �F DATE/TIME 4/21/2016 8:00:00 AM 33.10 ft
NOTES 1 DATE/TIME ---
LL j
a
C
o
0
_Lu
rt
U)
3: H
}
>
Y
o
ww
w o
zj Q
O w
0>
DESCRIPTION
REMARKS
° W
0
aU
m0>
n0
E0y
03
g0
UZ
w
w
O
�z
0
Refer to MW-201 D for lithology 0'-30.5'
Hole Size(s):
9" 0'-46.5'
5" 465-105.3'
0'-5' Hand augered to clear utilities
5
10
15
20
25

BORING NUMBER MW-201 BR
440 S. Church Street, Suite 900
Charlotte, NC2802-2075 PAGE 2 OF 5
Phone:[phone]
hdrinc.com/follow-us
CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
W j
c
o
0
W
CYz
Wp v
d 0
>
m O a
O
O
Y
DESCRIPTION
REMARKS
° W
UZ
w
W
U
O
o3
QO
U) Z
25
Refer to MVV-201 C) for lithology 0'-30.5'
30
HORNBLENDE GNEISS, very strong, in bands
of greenish black (10GY 2.5/1) and gray (N6),
Two sub -horizontal Fe stained fractures, trace
finely foliated (dark green) and granular (gray),
pyrite on a few broken foliation planes, single
massive, fresh, dark green bands contain grains
sub -vertical fracture fully healed with quartz
of olivine, gray bands contain quartz and
SD - 1
31
plagioclase (WEATHERED/FRACTURED ROCK)
y
35
37.5'-38.0' Driller reports soft zone within very
SD-2
51
QUARTZ -FELDSPAR GNEISS, very strong,
greenish gray (10G 5/1) and dark greenish gray
hard drilling
(10G 411), non -foliated, medium to coarse
grained, massive, with bands of foliated
hornblende gneiss up to 3" thick (SOUND ROCK)
40
SD-3
53
45' Veins of rose quartz and potassium
45
feldspar throughout (<1 mm) but more
pronounced (up to 15 cm) form 51' to 53',
HORNBLENDE GNEISS, very strong, in bands,
SD - 4
17
greenish black (10GY 2.5/1) and gray (N6), finely
bands of non -foliated felsic minerals, trace
foliated (dark green) and grandular (gray),
pyrite on foliation surfaces
massive, fresh, dark green bands contain grains
46'-55' Falling head test with no change in 15
of olivine, gray bands contain quartz and
minutes
plagioclase (SOUND ROCK)
Set 6" PVC casing, begin coring below after
grout cures
RC-1
100
46'-65' Falling head test with 0.17 feet of
change in 15 minutes
50

BORING NUMBER MW-201 BR
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 3 OF 5
Phone:[phone]
hdrinc.com/follow-us
CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County NC
LL j
a
C
o
0
_uj
rt
U)
3: H
}
>
Y
o
ww
w 0
� zj Q
O w
p>
DESCRIPTION
REMARKS
° W
0
aU
m0><no
a�O
U
o3
g�
UZ
w
w
O
0
U) Z
a
50
HORNBLENDE GNEISS, very strong, in bands,
6'-73' Falling head test with 0.15 feet of
greenish black (10GY 2.5/1) and gray (N6), finely
change in 15 minutes
foliated (dark green) and grandular (gray),
massive, fresh, dark green bands contain grains
of olivine, gray bands contain quartz and
RC-2
100
plagioclase (SOUND ROCK) (continued)
46'-85' Falling head test with 0.10 feet of
change in 15 minutes
46'-90' Falling head test with 0.17 feet of
55
change in 15 minutes
RC-3
80
58'-65' Irregular bands of quartz -feldspar
gneiss up to 4" thick
60
RC-4
100
65
RC-5
94
70
RC-6
62
75

BORING NUMBER MW-201 BR
440 S. Church Street, Suite 900
Charlotte, NC28202-2075 PAGE 4 OF 5
Phone:[phone]
hdrinc.com/follow-us
CLIENT Duke Energy Carolinas PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT NUMBER 269377 PROJECT LOCATION Stokes County, NC
w j
c
o
0
=
}
HW
to W
H�
}
Y�
p
z
w-j�
Q
j
p>
DESCRIPTION
REMARKS
° W
p
CL
g�
m0�
UZ
O
w
wU
U
o3
�O
w
0
75
HORNBLENDE GNEISS, very strong, in bands,
greenish black (10GY 2.5/1) and gray (N6), finely
foliated (dark green) and grandular (gray),
massive, fresh, dark green bands contain grains
of olivine, gray bands contain quartz and
RC-7
67
plagioclase (SOUND ROCK) (continued)
80
RC-8
100
85
RC-9
100
90
Continued: Gradual change to a larger percentage
of quartz and plagioclase and a smaller fraction of
hornblende and olivine
RC-
88
10
95
Begin rock coring
r.
'
RC-
100

440 S. Church Street, Suite 900
F)I Charlotte, NC 2875
Phone:[phone]
6700
hdrinc.com/follow-us
CLIENT Duke Energy Carolinas
PROJECT NUMBER 269377
BORING NUMBER MW-201 BR
PAGE 5OF5
PROJECT NAME Belews Creek Post-CSA Additional Assessment
PROJECT LOCATION Stokes Countv. NC
W Z
c
o
e
H
HW
ZJ
Y�
C)
z
Z�
w
W
dU
Q
j
p>
DESCRIPTION
REMARKS
OW
p
QO
m0>
UZ
O
w
W0
w
U
0
o�
100
Continued: Gradual change to a larger percentage
100'-105' Falling head test with 0.14 feet of
of quartz and plagioclase and a smaller fraction of
change in 15 minutes
-
hornblende and olivine (continued)
RC-
Packer test conducted on 4/20/2016 indicates
Al2
74
that the bottom 6.9 feet of the boring produces
z
-
more water than the entire upper section of the
; .... `
boring
105
pH 6.0 SUs after evacuation with subm
„„„,„
:..:
Bottom of borehole at 105.3 feet.

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ��
Appendix B, Sample Photographs
Photo 1 — MW-201BR: Sample SC-1 Depth: 30.5' - 35.0' Date: 04/18/16
Photo 2 — MW-201 BR: Sample SC-2 Depth: 35.0' - 40.0' Date: 04/18/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment ��
Appendix B, Sample Photographs
Photo 3 — MW-201 BR: Sample SC-3 Depth: 40.0' - 46.0' Date: 04/18/16
Photo 4 — MW-201 BR: Sample SC-3 Depth: 45.0' - 46.5' Date: 04/18/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment
Appendix B, Sample Photographs
YPq
C (_Scl _116 - C S
UN T-P T'�4 ?Ge RQ?' RVN T P Ba-N- RtC nQD
(,oar. a4 Sri (,
1 5
.7)
Sy
Leon+ in 6WZi
Photo 5 — MW-201BR: Box 1 of 5 Depth: 46.5' - 56.4'
L 3 .
Date: 04/18/16
577►-�r�'
`'r6s�C Sq
AA T " f RC&
Puri To 3.* �eG RaD�
..SS
N—Z02�R
�-I 4b5 So.D jS5 s �62)s #3.5
�� 5�.0 Oo.0 4%5p 4�SD
rco+ m k- 27
Photo 6 — MW-201 BR: Box 2 of 5 Depth: 56.4' - 67.3' Date: 04/18/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment
Appendix B, Sample Photographs
C_SS'1165-CS4 VUN TdP T'�H ,&e RQD' jZVN Tp BaN T{tC RQD�`
f0m-2om R`-� %5 So.o
1 (foal. r 44 �I (, .7
(7 Sy
���IL� �fl � iaa'/.i S5o Ccon+ in Fez%
Photo 7 — MW-201BR: Box 3 of 5 Depth: 67.3' - 81.0' Date: 04/18/16
— — _M
r6s5 CS A RUN op 54I ee Raj; �Jx 1�' 6A; h f— VV"
G /
6S
0
Photo 8 — MW-201 BR: Box 4 of 5 Depth: 81.0' - 90.9' Date: 04/18/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Duke Energy Carolinas, LLC I Belews Creek Steam Station - CSA Groundwater Assessment
Appendix B, Sample Photographs
Photo 8 — MW-201BR: Box 5 of 5 Depth: 90.9' - 105.0' Date: 04/18/16
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]