NC0002468_FINAL_CSA Sup 2_Appx A_20160901

Advanced with 6 1/4" ID HSA augers from
surface. *See BG-10D for lithology.
NOTES
LOGGED BY A. Pelletier CHECKED BY C. Hearn
DATE STARTED 6/9/16 COMPLETED 6/21/16
GROUND WATER LEVELS:DRILLING METHOD 6 1/4" ID HSA, TMR, PQ Core, HQ Core
DRILLING CONTRACTOR S&ME, Inc.
HOLE SIZE(S)10.25 inches
DATE/TIME ---
DATE/TIME ---
GROUND ELEVATION 595.688 ft
NORTHING 1788864.378 EASTING 1001770.233
DE
P
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(f
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5
10
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25
BL
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PAGE 1 OF 5
BORING NUMBER BG-10BR
CLIENT Duke Energy Carolinas
PROJECT NUMBER 10026090 - 269372
PROJECT NAME Dan River Post CSA Additional Assesment
PROJECT LOCATION Eden, NC
NO
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S
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E
N
T
.
G
P
J
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
Phone: [phone]
hdrinc.com/follow-us
RC - 1
RC - 2
RC - 3
Auger refusal encountered. Set 5" PVC casing
to approx. 39' bgs and grouted in.
Begin PQ coring at approx. 39.5' bgs
63
98
100
*See BG-10D for lithology. (continued)
SANDSTONE, strong, dusky red (10R 3/2) and
dark gray (N4), fine to coarse grained, thickly
bedded, fresh, competent, slightly to moderately
fractured, (WEATHERED/FRACTURED ROCK)
63
72
74
DE
P
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(f
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)
25
30
35
40
45
50
BL
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(N

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PAGE 2 OF 5
BORING NUMBER BG-10BR
CLIENT Duke Energy Carolinas
PROJECT NUMBER 10026090 - 269372
PROJECT NAME Dan River Post CSA Additional Assesment
PROJECT LOCATION Eden, NC
NO
R
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H

C
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A
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S
M
E
N
T
.
G
P
J
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
Phone: [phone]
hdrinc.com/follow-us
RC - 4
RC - 5
RC - 6
RC - 7
RC - 8
Set 4" PVC casing to approx. 55' and grouted
in.
Begin HQ coring at approx. 55.4' bgs
59.2' - 79': some fractures are partial; do not
bisect entire core and are Fe stained.
70.4' - 80.4': some fractures in core runs RC-8
and RC-9 are healed with Quartz and no
longer open
Stained fracture at 73.8' bgs
100
100
94
98
100
SANDSTONE, strong, dusky red (10R 3/2) and
dark gray (N4), fine to coarse grained, thickly
bedded, fresh, competent, slightly to moderately
fractured, (WEATHERED/FRACTURED ROCK)
(continued)
Continued: dark greenish gray (10Y 4/2)
SILTSTONE, strong, black (N2.5), thickly
bedded, fresh, competent, unfractured,
(WEATHERED/FRACTURED ROCK)
SANDSTONE, strong, very dark grayish olive
(10Y 3/2), fine to very fine grained, massive,
thickly bedded, fresh, competent, very slightly
fractured, contains few small mica flakes along
broken surfaces, (WEATHERED/FRACTURED
ROCK)
90
88
94
98
100
DE
P
T
H
(f
t
)
50
55
60
65
70
75
BL
O
W
CO
U
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(N

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A
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)
MONITORING
WELL
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PAGE 3 OF 5
BORING NUMBER BG-10BR
CLIENT Duke Energy Carolinas
PROJECT NUMBER 10026090 - 269372
PROJECT NAME Dan River Post CSA Additional Assesment
PROJECT LOCATION Eden, NC
NO
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C
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A
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S
M
E
N
T
.
G
P
J
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
Phone: [phone]
hdrinc.com/follow-us
RC - 9
RC -
10
RC -
11
RC -
12
Possible stained fracture at 78.1' bgs
Stained fracture at 80' bgs
100
100
100
100
SANDSTONE, strong, very dark grayish olive
(10Y 3/2), fine to very fine grained, massive,
thickly bedded, fresh, competent, very slightly
fractured, contains few small mica flakes along
broken surfaces, (WEATHERED/FRACTURED
ROCK) (continued)
SILTSTONE, strong, very dusky red(10R 2.5/2),
fresh, competent, very slightly fractured,
contains swirls of sandstone,
(WEATHERED/FRACTURED ROCK)
Continued: mixed with sandstone
100
100
100
100
DE
P
T
H
(f
t
)
75
80
85
90
95
100
BL
O
W
CO
U
N
T
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(N

V
A
L
U
E
)
MONITORING
WELL
SA
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P
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/
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PAGE 4 OF 5
BORING NUMBER BG-10BR
CLIENT Duke Energy Carolinas
PROJECT NUMBER 10026090 - 269372
PROJECT NAME Dan River Post CSA Additional Assesment
PROJECT LOCATION Eden, NC
NO
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.
G
P
J
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
Phone: [phone]
hdrinc.com/follow-us
RC -
13
Packer test attempted.
Packer test attempted.
Packer test attempted.100
SILTSTONE, strong, very dusky red(10R 2.5/2),
fresh, competent, very slightly fractured,
contains swirls of sandstone,
(WEATHERED/FRACTURED ROCK)
(continued)
Bottom of borehole at 105.4 feet.
100
DE
P
T
H
(f
t
)
100
105
BL
O
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CO
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(N

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MONITORING
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PAGE 5 OF 5
BORING NUMBER BG-10BR
CLIENT Duke Energy Carolinas
PROJECT NUMBER 10026090 - 269372
PROJECT NAME Dan River Post CSA Additional Assesment
PROJECT LOCATION Eden, NC
NO
R
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A
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S
E
S
M
E
N
T
.
G
P
J
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
Phone: [phone]
hdrinc.com/follow-us
Duke Energy Carolinas, LLC | Dan River - CSA Groundwater Assessment
Appendix A, Sample Photographs
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Photo 1 – BG-10BR: Box 1 of 4 - Depth: 55.4’ – 69.5’ - Date: 06/15/16

Photo 2 – BG-10BR: Box 2 of 4 - Depth: 69.5’ – 83.8’ - Date: 06/15/16
Duke Energy Carolinas, LLC | Dan River - CSA Groundwater Assessment
Appendix A, Sample Photographs
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Photo 3 – BG-10BR: Box 3 of 4 - Depth: 83.8’ – 97.6’ - Date: 06/15/16

Photo 4 – BG-10BR: Box 4 of 4 - Depth: 97.6’ – 105.4’ - Date: 06/15/16
4-13-16
(29)
3-5-9
(14)
2-6-12
(18)
6-13-15
(28)
8-50/5"
SS - 1
SS - 2
SS - 3
SS - 4
SS - 5
Advanced with 6 1/4" ID HSA augers from
surface.
*Driller driving split spoon sampler 24" to
maximize sample recovery; blows for last 6"
increment disregarded.
Sample DRSS-BG-10D-15.5 collected
Sample DRSS-BG-10D-24.4 collected
24
24
24
24
11
(CH) Fat CLAY, reddish brown (2.5YR 4/4),
moist, high plasticity, cohesive, contains
organics and trace mica (SOIL)
(SM) Silty SAND, fine, reddish brown (5YR 5/4),
moist, non-plastic, noncohesive, contains
organics and trace mica (SOIL)
Continued: dark reddish brown (5YR 3/3)
Continued: brown (7.5YR 4/4), contains trace
rootlets, organic matter, mica, and some clay
constituent
Continued: contains increased mica content
(SP) SAND, light brown (7.5YR 6/4), moist,
non-plastic, noncohesive, contains fine mica
(SAPROLITE)
NOTES
LOGGED BY A. Pelletier CHECKED BY C. Hearn
DATE STARTED 6/7/16 COMPLETED 6/13/16
GROUND WATER LEVELS:DRILLING METHOD 6 1/4" ID HSA, TMR, PQ Core
DRILLING CONTRACTOR S&ME, Inc.
HOLE SIZE(S)10.25 inches
DATE/TIME ---
DATE/TIME ---
GROUND ELEVATION 596.196 ft
NORTHING 1788861.543 EASTING 1001784.819
DE
P
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(f
t
)
0
5
10
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20
25
BL
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MONITORING
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PAGE 1 OF 3
BORING NUMBER BG-10D
CLIENT Duke Energy Carolinas
PROJECT NUMBER 10026090 - 269372
PROJECT NAME Dan River Post CSA Additional Assesment
PROJECT LOCATION Eden, NC
NO
R
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H

C
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S
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N
T
.
G
P
J
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
Phone: [phone]
hdrinc.com/follow-us
35-50/3"
30-50/1"
50
50/2"
SS - 6
SS - 7
SS - 8
SS - 9
Sample DRSS-BG-10D-40.1 collected; a
composite of samples S-8 and S-9.
Auger and SPT refusal encountered at approx.
40.1' bgs; begin PQ coring.
40.1' - 44.7: bedding at 45 degrees to core
axis, fractures are both along bedding planes
and perpendicular to, abundant mica flakes
exhibited along bedding plan fractures
9
7
Continued: contains larger mica flakes and higher
degree of induration
Continued: moist to wet
Continued: yellowish brown (2.5Y 6/4), moist to
wet, contains rock fragments of micaceous
sandstone
Continued:
SANDSTONE, strong, brown (10YR 4/3), fine
grained, thickly bedded, moderately
decomposed, competent, moderately to
intensely fractured,
(WEATHERED/FRACTURED ROCK)
Continued: very dark grayish brown (10YR 3/2)
Continued: with intervals of coarse grained
DE
P
T
H
(f
t
)
25
30
35
40
45
50
BL
O
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CO
U
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S
(N

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)
MONITORING
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PAGE 2 OF 3
BORING NUMBER BG-10D
CLIENT Duke Energy Carolinas
PROJECT NUMBER 10026090 - 269372
PROJECT NAME Dan River Post CSA Additional Assesment
PROJECT LOCATION Eden, NC
NO
R
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H

C
A
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S
M
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N
T
.
G
P
J
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
Phone: [phone]
hdrinc.com/follow-us
52.1' - 52.5': intensely weathered and friable
material, contains angular Quartz and
Feldspar up to 5mm
SANDSTONE, strong, brown (10YR 4/3), fine
grained, thickly bedded, moderately
decomposed, competent, moderately to
intensely fractured,
(WEATHERED/FRACTURED ROCK)
(continued)
SILTSTONE, strong, dusky red (10R 3/2), fine
grained, thickly bedded, fresh, competent,
slightly fractured, contains some mica on
fractured surfaces along bedding,
(WEATHERED/FRACTURED ROCK)
Bottom of borehole at 55.2 feet.
DE
P
T
H
(f
t
)
50
55
BL
O
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CO
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(N

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)
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WELL
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PAGE 3 OF 3
BORING NUMBER BG-10D
CLIENT Duke Energy Carolinas
PROJECT NUMBER 10026090 - 269372
PROJECT NAME Dan River Post CSA Additional Assesment
PROJECT LOCATION Eden, NC
NO
R
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C
A
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A
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S
E
S
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N
T
.
G
P
J
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
Phone: [phone]
hdrinc.com/follow-us
Duke Energy Carolinas, LLC | Dan River Steam Station - CSA Supplement II
Appendix A, Sample Photographs

hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Photo 1 – BG-10D Depth: 0.0’ - 3.5’ Date: 06/13/16

Photo 2 – BG-10D: Sample SS-1 Depth: 3.5’ - 5.0’ Date: 06/13/16
Duke Energy Carolinas, LLC | Dan River Steam Station - CSA Supplement II
Appendix A, Sample Photographs

hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Photo 3 – BG-10D: Sample SS-2 Depth: 8.5’ - 10.5’ Date: 06/13/16

Photo 4 – BG-10D: Sample SS-3 Depth: 13.5’ - 15.5’ Date: 06/13/16

Duke Energy Carolinas, LLC | Dan River Steam Station - CSA Supplement II
Appendix A, Sample Photographs

hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Photo 5 – BG-10D: Sample SS-4 Depth: 18.5’ - 20.5’ Date: 06/13/16

Photo 6 – BG-10D: Sample SS-5 Depth: 23.5’ - 24.4’ Date: 06/13/16

Duke Energy Carolinas, LLC | Dan River Steam Station - CSA Supplement II
Appendix A, Sample Photographs

hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Photo 7 – BG-10D: Sample SS-6 Depth: 28.3’ - 29.0’ Date: 06/13/16

Photo 8 – BG-10D: Sample SS-7 Depth: 33.5’ - 34.1’ Date: 06/13/16

Duke Energy Carolinas, LLC | Dan River Steam Station - CSA Supplement II
Appendix A, Sample Photographs

hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Photo 9 – BG-10D: Sample SS-8 Depth: 38.5’ - 39.0’ Date: 06/13/16

Photo 10 – BG-10D: Sample SS-9 Depth: 39.9’ - 40.1’ Date: 06/13/16

Duke Energy Carolinas, LLC | Dan River Steam Station - CSA Supplement II
Appendix A, Sample Photographs

hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Photo 11 – BG-10D: Sample Box 1 of 2 Depth: 40.1’ - 50.2’ Date: 06/13/16

Photo 12 – BG-10D: Sample Box 2 of 2 Depth: 50.2’ - 55.2’ Date: 06/13/16

*See BG-10D for lithology.
NOTES
LOGGED BY A. Pelletier CHECKED BY C. Hearn
DATE STARTED 6/9/16 COMPLETED 6/10/16
GROUND WATER LEVELS:DRILLING METHOD 4 1/4" ID HSA
DRILLING CONTRACTOR S&ME, Inc.
HOLE SIZE(S)8.25 inches
DATE/TIME 6/10/2016 8:50:00 AM 21.75 ft / Elev 574.30 ft
DATE/TIME ---
GROUND ELEVATION 596.047 ft
NORTHING 1788864.43 EASTING 1001777.515
DE
P
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(f
t
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0
5
10
15
20
25
BL
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(N

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PAGE 1 OF 2
BORING NUMBER BG-10S
CLIENT Duke Energy Carolinas
PROJECT NUMBER 10026090 - 269372
PROJECT NAME Dan River Post CSA Additional Assesment
PROJECT LOCATION Eden, NC
NO
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P
J
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
Phone: [phone]
hdrinc.com/follow-us
*See BG-10D for lithology. (continued)
Bottom of borehole at 40.0 feet.
DE
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30
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PAGE 2 OF 2
BORING NUMBER BG-10S
CLIENT Duke Energy Carolinas
PROJECT NUMBER 10026090 - 269372
PROJECT NAME Dan River Post CSA Additional Assesment
PROJECT LOCATION Eden, NC
NO
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G
P
J
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
Phone: [phone]
hdrinc.com/follow-us
5-8-8
(16)
5-18-41
(59)
50/2"
SS - 1
SS - 2
SS - 3
RC - 1
RC - 2
RC - 3
Advanced with 6 1/4" ID HSA augers from
surface.
SPLP sample collected from SS-1.
SPLP sample collected from SS-2.
SPLP sample collected from auger cuttings
above refusal.
13.4' - 14': fractures, partially open, 5 and 25
and 60 degrees, Fe and Mn coated
15.2': fracture, partially open, Mn coating and
Calcite mineralization
Auger and SPT refusal encountered at approx.
13.4' bgs. 5" PVC casing installed to 13.4' bgs
and grouted to surface. Begin PQ coring.
Abundant subvertical Sandstone filled borrows
and associated boiturbation noted in multiple
runs below 16.2'.
16.7': fracture, 40 degree dip
17.5' - 19': fractures, 45 and 65 degree dips
20' - 22.2': Few subvertical fine grained
Sandstone filled burrows; fractures, partially
open, Mn coating and Calcite mineralization
100
95
98
18
18
2
(ML) Sandy SILT with Gravel, strong brown
(7.5YR 4/6), non-plastic, dry, noncohesive,
(FILL)
(ML) Sandy SILT, yellowish brown (10YR 5/4),
non-plastic, dry, noncohesive, (SOIL)
Continued: moist
SANDSTONE, very strong, mottled gray, red,
black and white, fine grained, massive, slightly
weathered, (WEATHERED/FRACTURED
ROCK)
Continued: fine to medium grained, fresh to
slightly weathered
78
82
93
NOTES
LOGGED BY Brown/Bishuk CHECKED BY C. Hearn
DATE STARTED 6/20/16 COMPLETED 7/7/16
GROUND WATER LEVELS:DRILLING METHOD 6 1/4" ID HSA, TMR, PQ Core, HQ Core
DRILLING CONTRACTOR S&ME, Inc.
HOLE SIZE(S)10.25 inches
DATE/TIME 7/7/2016 8:10:00 AM 3.72 ft / Elev 495.88 ft
DATE/TIME ---
GROUND ELEVATION 499.602 ft
NORTHING 1790975.672 EASTING 998976.8197
DE
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PAGE 1 OF 6
BORING NUMBER GWA-5BRD
CLIENT Duke Energy Carolinas
PROJECT NUMBER 10026090 - 269372
PROJECT NAME Dan River Post CSA Additional Assesment
PROJECT LOCATION Eden, NC
NO
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G
P
J
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
Phone: [phone]
hdrinc.com/follow-us
RC - 4
RC - 5
RC - 6
RC - 7
RC - 8
25.2' - 27': fractures, 30 and 75 degree dips
27.3': fracture, 25 degree dip
28' - 28.8': fractures, 30 and 60 degree dips
30' - 30.2': fracture, 20 degree dip
33' - 33.5': fractures, partially open, 10 and 55
degree dips, Fe and Mn coating with Calcite
mineralization
33.5' - 33.8': fracture, partially open, 65 degree
dip, Fe and Mn coating with Calcite
mineralization
35' - 35.3': fractures, partially open, 30 degree
dips, Fe and Mn coating with Calcite
mineralization
36' - 36.8': fractures, partially open, 25 and 30
and 40 degree dips, Fe and Mn coating with
Calcite mineralization
37.5' and 38': fractures, partially open, 15
degree dip, Fe and Mn coating with Calcite
mineralization
38.3': fracture, partially open, 30 degree dip,
Fe and Mn coating with Calcite mineralization
39.5': fracture, partially open, 25 degree dip,
Fe and Mn coating with Calcite mineralization
41.4'': fracture, partially open, 35 degree dip,
Mn coating
44.5': fracture, partially open, 40 degree dip,
Mn coating
46': fracture, partially open, 50 degree dip, Mn
coating
46.1' - 55.2': abundant fractures, partially open
and closed, ranging from 30 to 75 degree dips,
Mn coating and Calcite mineralization
100
100
100
100
97
SANDSTONE, very strong, mottled gray, red,
black and white, fine grained, massive, slightly
weathered, (WEATHERED/FRACTURED
ROCK) (continued)
Continued: fine to medium grained, fresh to
slightly weathered
Continued: fresh to slightly weathered
Continued: fresh
Continued: fine to medium grained
Continued: conglomeratic coarse grained,
laminated, fresh
68
93
93
100
83
DE
P
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(f
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)
25
30
35
40
45
50
BL
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PAGE 2 OF 6
BORING NUMBER GWA-5BRD
CLIENT Duke Energy Carolinas
PROJECT NUMBER 10026090 - 269372
PROJECT NAME Dan River Post CSA Additional Assesment
PROJECT LOCATION Eden, NC
NO
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H

C
A
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A
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S
M
E
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.
G
P
J
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
Phone: [phone]
hdrinc.com/follow-us
RC - 9
RC -
10
RC -
11
RC -
12
RC -
13
RC -
14
4" PVC casing installed to approx 61' bgs and
grouted to surface. Begin HQ coring.
Falling head permeability test conducted from
approx. 61' -65' bgs.
Falling head permeability test conducted from
approx. 65' -70' bgs.
66': fracture, partially open, 15 degree dip
Falling head permeability test conducted from
approx. 70' -75' bgs.
100
100
100
100
100
100
SANDSTONE, very strong, mottled gray, red,
black and white, fine grained, massive, slightly
weathered, (WEATHERED/FRACTURED
ROCK) (continued)
Continued: conglomeratic coarse grained,
laminated, fresh
Continued: very fine to fine grained, locally
laminated otherwise massive,
SILTSTONE, very strong, mottled gray and
black, very fine grained, massive to locally
laminated, slightly fresh,
(WEATHERED/FRACTURED ROCK)
SANDSTONE, very strong, mottled gray, black
and white, very fine to fine grained, massive to
locally laminated, fresh,
(WEATHERED/FRACTURED ROCK)
70
79
100
100
93
87
DE
P
T
H
(f
t
)
50
55
60
65
70
75
BL
O
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CO
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(N

V
A
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)
MONITORING
WELL
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PAGE 3 OF 6
BORING NUMBER GWA-5BRD
CLIENT Duke Energy Carolinas
PROJECT NUMBER 10026090 - 269372
PROJECT NAME Dan River Post CSA Additional Assesment
PROJECT LOCATION Eden, NC
NO
R
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H

C
A
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S
M
E
N
T
.
G
P
J
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
Phone: [phone]
hdrinc.com/follow-us
RC -
15
RC -
16
RC -
17
RC -
18
RC -
19
RC -
20
Falling head permeability test conducted from
approx. 75' -80' bgs.
83' - 83.5': two intersecting fractures, partially
open, 25 and 35 degree dips, Calcite
mineralization
84': two intersecting fractures, partially open,
30 and 35 degree dips, Calcite mineralization
Falling head permeability test conducted from
approx. 85' -91.5' bgs.
85.5' - 86.5': two intersecting fractures,
partially open, 55 degree dip, Calcite
mineralization
86.7' - 87.7': fractures, closed, 50 and 55
degree dips, Calcite mineralization
88.2': fracture, partially open, 25 degree dip,
Calcite mineralization
90.2': fracture, partially open, 40 degree dip,
Calcite mineralization
90.5': fracture, partially open, 45 degree dip,
Calcite mineralization
Falling head permeability test conducted from
approx. 91.5' - 100' bgs.
92' - 92.7': fracture, partially open, 65 degree
dip, Calcite mineralization
92.8' - 93.5': fracture, partially open, 40 degree
dip, Calcite mineralization
94.8' - 95.8': fracture, partially open, 55 degree
dip, Calcite mineralization
95.8' - 96.7': fracture, partially open, 60 degree
dip, Calcite mineralization
97' - 97.2': fracture, partially open, 55 degree
dip, Calcite mineralization
99.5' - 100.7': numerous fractures, closed,
97
100
100
78
96
100
SANDSTONE, very strong, mottled gray, black
and white, very fine to fine grained, massive to
locally laminated, fresh,
(WEATHERED/FRACTURED ROCK)
(continued)
Continued:
Continued: fine to medium grained, massive
SILTSTONE, very strong, mottled gray and
black, very fine grained, massive to locally
laminated, fresh, (WEATHERED/FRACTURED
ROCK)
SANDSTONE, very strong, mottled gray, black
and white, very fine to fine grained, massive to
locally laminated, fresh,
(WEATHERED/FRACTURED ROCK)
Continued: mottled gray and white, locally
conglomeratic medium to coarse grained
88
93
61
81
92
DE
P
T
H
(f
t
)
75
80
85
90
95
100
BL
O
W
CO
U
N
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S
(N

V
A
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U
E
)
MONITORING
WELL
SA
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PAGE 4 OF 6
BORING NUMBER GWA-5BRD
CLIENT Duke Energy Carolinas
PROJECT NUMBER 10026090 - 269372
PROJECT NAME Dan River Post CSA Additional Assesment
PROJECT LOCATION Eden, NC
NO
R
T
H

C
A
R
O
L
I
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A

B
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D
I
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I
O
N
A
L

A
S
S
E
S
M
E
N
T
.
G
P
J
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
Phone: [phone]
hdrinc.com/follow-us
RC -
21
RC -
22
RC -
23
RC -
24
RC -
25
ranging from 65 to 75 degree dips, Calcite
mineralization
100.5' - 101.5': fracture, partially open, 75
degree dip, Calcite mineralization
101.5' - 102': three intersecting fractures, 25
and 30 and 40 degree dips
103.2' - 104.1': fracture, partially open, 60
degree dip, Calcite mineralization
106.7' - 108.1': two fractures, 70 degree dips
108.1' - 109': fracture, partially open, 65
degree dip, Calcite mineralization
110': fracture, partially open, 35 degree dip,
Calcite mineralization
110.5' - 110.8': two fractures, 65 degree dips
111' - 112': fracture, partially open, 65 degree
dip, Calcite mineralization
112.6': fault, 45 degree dip, serpentinized
slickensides
114.5': fracture, partially open, 25 degree dip,
Calcite mineralization
115' - 115.8': three intersecting fractures, 10
and 15 and 20 degree dips
Falling head permeability test conducted from
approx. 115.5' - 120.5' bgs.
116.5': fracture, partially open, 20 degree dip,
Calcite mineralization
118.2': fracture, partially open, 20 degree dip,
Calcite mineralization
121.7' - 123': cluster of three fractures, 15 and
35 and 45 degree dips
124.5': fracture, partially open, 40 degree dip,
100
100
100
85
100
SANDSTONE, very strong, mottled gray, black
and white, very fine to fine grained, massive to
locally laminated, fresh,
(WEATHERED/FRACTURED ROCK)
(continued)
Continued: laminated
Continued: very fine to coarse grained, locally
laminated otherwise massive
85
80
97
77
97
DE
P
T
H
(f
t
)
100
105
110
115
120
125
BL
O
W
CO
U
N
T
S
(N

V
A
L
U
E
)
MONITORING
WELL
SA
M
P
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E

T
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/
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PAGE 5 OF 6
BORING NUMBER GWA-5BRD
CLIENT Duke Energy Carolinas
PROJECT NUMBER 10026090 - 269372
PROJECT NAME Dan River Post CSA Additional Assesment
PROJECT LOCATION Eden, NC
NO
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H

C
A
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B
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A
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S
M
E
N
T
.
G
P
J
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
Phone: [phone]
hdrinc.com/follow-us
RC -
26
Calcite mineralization
125' - 125.5': two fractures, 45 degree dips
Falling head permeability test conducted from
approx. 125.5' - 130.5' bgs.
126': fracture, closed, 70 degree dip, Calcite
mineralization
127': fracture, partially open, 25 degree dip,
Calcite mineralization
126': fracture, closed, 65 degree dip, Calcite
mineralization
129' - 129.5': cluster of two fractures, closed,
50 and 60 degree dips, Calcite mineralization
100
SANDSTONE, very strong, mottled gray, black
and white, very fine to fine grained, massive to
locally laminated, fresh,
(WEATHERED/FRACTURED ROCK)
(continued)
Continued: conglomeratic medium to coarse
grained, locally laminated otherwise massive
Bottom of borehole at 130.5 feet.
97
DE
P
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(f
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)
125
130
BL
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PAGE 6 OF 6
BORING NUMBER GWA-5BRD
CLIENT Duke Energy Carolinas
PROJECT NUMBER 10026090 - 269372
PROJECT NAME Dan River Post CSA Additional Assesment
PROJECT LOCATION Eden, NC
NO
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S
M
E
N
T
.
G
P
J
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
Phone: [phone]
hdrinc.com/follow-us
4-5-5
(10)
4-6-8
(14)
6-12-31
(43)
50/5"
50-41-
50/0"
50/0"
SS - 1
SS - 2
SS - 3
SS - 4
SS - 5
SS - 6
Advanced with 6 1/4" ID HSA augers from
surface.
0' - 4': Contains roots
Trace Mn staining noted along relict structures
at approx. 13.5' bgs.
Very difficult drilling noted at approx. 15' bgs;
through Quartz vein.
Cuttings from below 19' appeared very dry.
6 1/4" HSA and SPT refusal at approx. 24.2'
bgs.
18
18
18
5
8
(ML) SILT with Sand, strong brown (7.5YR 4/6),
moist, non to low plasticity, cohesive, contains
fine sand and trace clay (SOIL)
(CL) SANDY CLAY, strong brown (7.5YR 4/6),
moist, medium plasticity, cohesive, contains fine
sand (SOIL)
Continued: (SAPROLITE)
(SW) SAND, dark yellowish brown (10YR 4/6),
moist, non-plastic, noncohesive, contains
coarse gravel and Quartz (SAPROLITE)
Continued: moist to dry
Continued: dark greenish gray (10Y 4/1), dry
NOTES
LOGGED BY B. Doran CHECKED BY C. Hearn
DATE STARTED 6/13/16 COMPLETED 6/15/16
GROUND WATER LEVELS:DRILLING METHOD 6 1/4" ID HSA, TMR, PQ Core
DRILLING CONTRACTOR S&ME, Inc.
HOLE SIZE(S)10.25 inches
DATE/TIME 6/16/2016 9:40:00 AM 19.00 ft / Elev 483.18 ft
DATE/TIME ---
GROUND ELEVATION 502.182 ft
NORTHING 1791301.996 EASTING 998974.4843
DE
P
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(f
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)
0
5
10
15
20
25
BL
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CO
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(N

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MONITORING
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PAGE 1 OF 2
BORING NUMBER GWA-16D
CLIENT Duke Energy Carolinas
PROJECT NUMBER 10026090 - 269372
PROJECT NAME Dan River Post CSA Additional Assesment
PROJECT LOCATION Eden, NC
NO
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C
A
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S
M
E
N
T
.
G
P
J
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
Phone: [phone]
hdrinc.com/follow-us
RC - 1
RC - 2
RC - 3
5" PVC casing installed to 24.4' bgs and
grouted to surface on 6/15/16. Begin PQ
coring.
Intensely jointed, dip 20 - 80 degrees, tight to
partially open, intensely Fe stained,
mineralized, slightly decomposed; from 24.4'
bgs.
30.7' - 31.3': sheared, Fe stained, intensely
jointed parallel to contact
Fresh, moderately jointed, trace Fe staining;
from approx. 31.3' bgs.
36.1' - 36.4': 4+ joints dipping 60 - 70 degrees,
parallel, tight to partially open, trace to
moderate Fe staining, some slickensided
surfaces on broken pieces (rubble)
Fresh and unjointed from approx. 36.4' bgs.
100
100
100
0 METADIABASE,strong to moderate, dark brown
(N4), fine phaneritic, massive
(WEATHERED/FRACTURED ROCK)
SILTSTONE, moderate to strong, very dark gray
(N3), fine grained, massive
(WEATHERED/FRACTURED ROCK)
METADIABASE,strong, dark gray (N4), fine
phaneritic, massive
(WEATHERED/FRACTURED ROCK)
Bottom of borehole at 39.4 feet.
26
60
92
DE
P
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H
(f
t
)
25
30
35
BL
O
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CO
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MONITORING
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PAGE 2 OF 2
BORING NUMBER GWA-16D
CLIENT Duke Energy Carolinas
PROJECT NUMBER 10026090 - 269372
PROJECT NAME Dan River Post CSA Additional Assesment
PROJECT LOCATION Eden, NC
NO
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A
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.
G
P
J
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
Phone: [phone]
hdrinc.com/follow-us
Advanced with 4 1/4" ID HSA augers from
surface. *See GWA-16D for lithology.
Bottom of borehole at 24.0 feet.
NOTES
LOGGED BY B. Doran CHECKED BY C. Hearn
DATE STARTED 6/14/16 COMPLETED 6/14/16
GROUND WATER LEVELS:DRILLING METHOD 4 1/4" ID HSA
DRILLING CONTRACTOR S&ME, Inc.
HOLE SIZE(S)8.25 inches
DATE/TIME 6/14/2016 7:20:00 AM 18.73 ft / Elev 483.16 ft
DATE/TIME ---
GROUND ELEVATION 501.894 ft
NORTHING 1791301.944 EASTING 998967.2023
DE
P
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H
(f
t
)
0
5
10
15
20
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PAGE 1 OF 1
BORING NUMBER GWA-16S
CLIENT Duke Energy Carolinas
PROJECT NUMBER 10026090 - 269372
PROJECT NAME Dan River Post CSA Additional Assesment
PROJECT LOCATION Eden, NC
NO
R
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H

C
A
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O
L
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I
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A
L

A
S
S
E
S
M
E
N
T
.
G
P
J
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
Phone: [phone]
hdrinc.com/follow-us
15-10-10
(20)
10-9-12
(21)
12-32-
50/3"
16-50
SS - 1
SS - 2
SS - 3
SS - 4
RC - 1
Tree root in sample - Stiff drilling at 5'
Soil cutting balling at 7'
Tree root in sample SPT-2, 2 inch soil recovery
Hole is dry
Rig chatter at 20.5', Top of Rock at 20.5'
20.5-21.3': Weathered, subparallel fractures
24.0': Joint, 80º dip, very narrow, FeOx
staining
99
18
18
15
12
(ML) SILT, very stiff, reddish yellow (5YR 6/6),
moist, low plasticity, cohesive (SOIL)
(ML) SILT, same as above, poor relict rock fabric
(SAPROLITE)
(ML) SILT with Sand, hard, very pale brown
(10YR 7/3) to light brownish gray (10YR 6/2),
non-plastic, dry, non-cohesive, brittle, very
uniform (SAPROLITE/POORLY WEATHERED
ROCK)
SANDSTONE, strong to very strong, light gray
(10YR 7/1-7/2), fine grained, massive
(BEDROCK)
75
NOTES
LOGGED BY M. Sheehan CHECKED BY C. Hearn
DATE STARTED 6/13/16 COMPLETED 6/16/16
GROUND WATER LEVELS:DRILLING METHOD 6 1/4" ID HSA, TMR, PQ Core, HQ Core
DRILLING CONTRACTOR S&ME, Inc.
HOLE SIZE(S)11, 5 inches
DATE/TIME 6/16/2016 8:00:00 AM 19.50 ft / Elev 492.01 ft
DATE/TIME ---
GROUND ELEVATION 511.507 ft
NORTHING 1791157.973 EASTING 999390.6074
DE
P
T
H
(f
t
)
0
5
10
15
20
25
BL
O
W
CO
U
N
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(N

V
A
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)
MONITORING
WELL
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PAGE 1 OF 2
BORING NUMBER GWA-17D
CLIENT Duke Energy Carolinas
PROJECT NUMBER 10026090 - 269372
PROJECT NAME Dan River Post CSA Additional Assesment
PROJECT LOCATION Eden, NC
NO
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H

C
A
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A
S
S
E
S
M
E
N
T
.
G
P
J
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
Phone: [phone]
hdrinc.com/follow-us
RC - 2
25.0': Joint, 80º dip, very narrow, FeOx
staining
25.7': Joint
25.0': Joint, very narrow, FeOx staining
29.0': Joint, narrow, 80º dip, FeOx staining
93
SANDSTONE, strong to very strong, light gray
(10YR 7/1-7/2), fine grained, massive
(BEDROCK) (continued)
Bottom of borehole at 30.5 feet.
98
DE
P
T
H
(f
t
)
25
30
BL
O
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CO
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(N

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PAGE 2 OF 2
BORING NUMBER GWA-17D
CLIENT Duke Energy Carolinas
PROJECT NUMBER 10026090 - 269372
PROJECT NAME Dan River Post CSA Additional Assesment
PROJECT LOCATION Eden, NC
NO
R
T
H

C
A
R
O
L
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S
E
S
M
E
N
T
.
G
P
J
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
Phone: [phone]
hdrinc.com/follow-us
6-12-18
(30)
10-13-14
(27)
13-29-43
(72)
50/5"
SPT -
1
SPT -
2
SPT -
3
SPT -
4
RC - 1
RC - 2
Advanced with 6 1/4" ID HSA augers from
surface.
Trace Mn staining noted form approx. 8.8' bgs.
Difficult drilling noted from approx. 15' - 18'
bgs.
Advanced with Tricone mud rotary with water
from 15' bgs.
Mn and Fe staining in relict planar structures
noted from approx. 16' bgs.
5" PVC casing installed to 17' bgs and grouted
to surface on 6/7/16. Begin PQ coring at 18'
bgs on 6/8/16.
18.8' - 35': Intensely fractured, joints 40 - 70
degrees, tight to partially open, Mn
mineralized, highly decomposed
21.3' - 22.2': Joints filled with (CH) Clay and
Mn
60
100
(CL) CLAY with Sand, yellowish red (5YR 5/8),
moist to dry, low plasticity, cohesive, micaceous
(SOIL)
(ML) SILT with Sand, strong brown (7.5YR 5/8),
dry, non-plastic, noncohesive, micaceous
(SOIL)
Continued: contains trace gravel
(SP-SM) SAND with Silt, reddish yellow (7.5YR
6/6), dry, non-plastic, noncohesive, trace gravel
and mica, relict rock texture and MN filled joints
noted, friable (SAPROLITE)
Continued: contains increasing gravel of weak
siltstone and some percentage of silt
SANDSTONE, moderate to weak, yellowish
brown, fine to medium grained with silt, massive
(WEATHERED/FRACTURED ROCK)
Continued: more fine grained with silt
0
26
NOTES
LOGGED BY B. Doran CHECKED BY C. Hearn
DATE STARTED 6/6/16 COMPLETED 6/9/16
GROUND WATER LEVELS:DRILLING METHOD 6 1/4" ID HSA, TMR, PQ Core
DRILLING CONTRACTOR S&ME, Inc.
HOLE SIZE(S)10.25 inches
DATE/TIME ---
DATE/TIME ---
GROUND ELEVATION 594.88 ft
NORTHING 1790110.698 EASTING 1000526.883
DE
P
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H
(f
t
)
0
5
10
15
20
25
BL
O
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CO
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(N

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)
MONITORING
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PAGE 1 OF 3
BORING NUMBER GWA-18D
CLIENT Duke Energy Carolinas
PROJECT NUMBER 10026090 - 269372
PROJECT NAME Dan River Post CSA Additional Assesment
PROJECT LOCATION Eden, NC
NO
R
T
H

C
A
R
O
L
I
N
A

B
O
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I
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D
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I
O
N
A
L

A
S
S
E
S
M
E
N
T
.
G
P
J
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
Phone: [phone]
hdrinc.com/follow-us
RC - 3
RC - 4
RC - 5
RC - 6
RC - 7
34.5' - 36.5': Less fractured/jointed, abundant
small Mn filled voids and pockets
Rising head test conducted at 35' bgs.
From 36.5': Intensely jointed dip 40 - 70
degrees, partially open to tight, Mn mineralized
From 40': Moderately fractured, highly
decomposed
Rising head test conducted at 40' bgs.
Intensely jointed from 45' bgs
46.9' - 49': Likely zone of core loss; driller
reported extremely soft drilling
49' - 50': Recovered as residual soil; (SW) very
pale brown, (10 YR 8/4) and yellowish brown
100
98
100
100
66
SANDSTONE, moderate to weak, yellowish
brown, fine to medium grained with silt, massive
(WEATHERED/FRACTURED ROCK)
(continued)
Continued: more fine to medium grained
Continued: weak
16
38
32
60
10
DE
P
T
H
(f
t
)
25
30
35
40
45
50
BL
O
W
CO
U
N
T
S
(N

V
A
L
U
E
)
MONITORING
WELL
SA
M
P
L
E

T
Y
P
E
/
NO
.
/
C
O
R
E

R
U
N
REMARKS
RO
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K
RE
C
O
V
E
R
Y

%
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PAGE 2 OF 3
BORING NUMBER GWA-18D
CLIENT Duke Energy Carolinas
PROJECT NUMBER 10026090 - 269372
PROJECT NAME Dan River Post CSA Additional Assesment
PROJECT LOCATION Eden, NC
NO
R
T
H

C
A
R
O
L
I
N
A

B
O
R
I
N
G

L
O
G

-

G
I
N
T

S
T
D

U
S

L
A
B
.
G
D
T

-

8
/
2
9
/
1
6

1
2
:
0
2

-

C
:
\
P
W
W
O
R
K
I
N
G
\
T
P
A
\
D
0
9
6
0
5
5
3
\
D
A
N

R
I
V
E
R

P
O
S
T

C
S
A

A
D
D
I
T
I
O
N
A
L

A
S
S
E
S
M
E
N
T
.
G
P
J
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
Phone: [phone]
hdrinc.com/follow-us
RC - 8
(10 YR 5/8)
Rising head test conducted at 50' bgs.
Joint at 50.2' bgs; dip 50 degrees, tight, filled
with slickened clay, Fe stained
50.2' - 54': Fe stained
50.9' - 53'; Likely core loss, recovered as (CH)
clay
Rising head test conducted at 55' bgs.
60
(CH) CLAY, red (2.5YR 4/8), soft, wet, medium
plasticity, cohesive, contains trace sand (SOIL)
SANDSTONE, moderate to weak, yellowish
brown, fine to medium grained with silt, massive
(WEATHERED/FRACTURED ROCK)
Bottom of borehole at 55.0 feet.
8
DE
P
T
H
(f
t
)
50
55
BL
O
W
CO
U
N
T
S
(N

V
A
L
U
E
)
MONITORING
WELL
SA
M
P
L
E

T
Y
P
E
/
NO
.
/
C
O
R
E

R
U
N
REMARKS
RO
C
K
RE
C
O
V
E
R
Y

%
SO
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E
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Y

(
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)
DESCRIPTION
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PAGE 3 OF 3
BORING NUMBER GWA-18D
CLIENT Duke Energy Carolinas
PROJECT NUMBER 10026090 - 269372
PROJECT NAME Dan River Post CSA Additional Assesment
PROJECT LOCATION Eden, NC
NO
R
T
H

C
A
R
O
L
I
N
A

B
O
R
I
N
G

L
O
G

-

G
I
N
T

S
T
D

U
S

L
A
B
.
G
D
T

-

8
/
2
9
/
1
6

1
2
:
0
2

-

C
:
\
P
W
W
O
R
K
I
N
G
\
T
P
A
\
D
0
9
6
0
5
5
3
\
D
A
N

R
I
V
E
R

P
O
S
T

C
S
A

A
D
D
I
T
I
O
N
A
L

A
S
S
E
S
M
E
N
T
.
G
P
J
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
Phone: [phone]
hdrinc.com/follow-us
2-3-3
(6)
3-4-4
(8)
5-5-5
(10)
4-3-5
(8)
6-6-8
(14)
SS - 1
SS - 2
SS - 3
SS - 4
SS - 5
Advanced with 6 1/4" ID HSA augers from
surface.
16
18
18
16
13
(SP) SAND, fine to medium, brown (7.5YR 4/4),
moist, non-plastic, noncohesive, trace silt and
mica (ALLUVIUM)
Continued:
Continued: fine grained, strong brown (7.5YR
4/6), increasing silt content with depth
(SW) SAND, brown (7.5YR 4/6), moist,
non-plastic, noncohesive, (ALLUVIUM)
Continued: wet, contains gravel
NOTES
LOGGED BY B. Doran CHECKED BY C. Hearn
DATE STARTED 6/17/16 COMPLETED 6/23/16
GROUND WATER LEVELS:DRILLING METHOD 6 1/4" ID HSA, TMR, PQ Core
DRILLING CONTRACTOR S&ME, Inc.
HOLE SIZE(S)10.25 inches
DATE/TIME ---
DATE/TIME 6/20/2016 1:20:00 PM 14.20 ft / Elev 494.82 ft
GROUND ELEVATION 509.019 ft
NORTHING 1789494.634 EASTING 996631.6349
DE
P
T
H
(f
t
)
0
5
10
15
20
25
BL
O
W
CO
U
N
T
S
(N

V
A
L
U
E
)
MONITORING
WELL
SA
M
P
L
E

T
Y
P
E
/
NO
.
/
C
O
R
E

R
U
N
REMARKS
RO
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C
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V
E
R
Y

%
SO
I
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(
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)
DESCRIPTION
RO
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PAGE 1 OF 2
BORING NUMBER GWA-20D
CLIENT Duke Energy Carolinas
PROJECT NUMBER 10026090 - 269372
PROJECT NAME Dan River Post CSA Additional Assesment
PROJECT LOCATION Eden, NC
NO
R
T
H

C
A
R
O
L
I
N
A

B
O
R
I
N
G

L
O
G

-

G
I
N
T

S
T
D

U
S

L
A
B
.
G
D
T

-

8
/
2
9
/
1
6

1
2
:
0
2

-

C
:
\
P
W
W
O
R
K
I
N
G
\
T
P
A
\
D
0
9
6
0
5
5
3
\
D
A
N

R
I
V
E
R

P
O
S
T

C
S
A

A
D
D
I
T
I
O
N
A
L

A
S
S
E
S
M
E
N
T
.
G
P
J
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
Phone: [phone]
hdrinc.com/follow-us
11-12-16
(28)
50/0"
SS - 6
SS - 7
RC - 1
RC - 2
RC - 3
RC - 4
SPT refusal encountered at approx. 29' bgs.
Switched to tricone rotary.
From approx 29.5'; Intensely to moderately
jointed, joints/bedding dip 50 degrees, partially
open/disintegrated along joints, and Fe stained
29.8' - 30.1: Quartz vein
Tricone refusal encountered at approx. 30' bgs.
5" PVC casing set to approx. 29.5' bgs.
Grouted to surface on 6/21/16.
30.1' - 32.6': likely zone of core loss
34.2' - 37: unfractured, fresh
37.2' - 37.9: moderately decomposed, jointed
37.9' - 40.4: fresh, unfractured
40.4' - 41.5': probable core loss; bit clogged
with clay
two joints at approx 40.4' bgs dipping 50
degrees, unknown aperture, intense Fe
staining, mineralized
41.5' - 49.5': fresh, unfractured
joint at approx 41.5' bgs dip 45 degrees,
unknown aperture, patchy Fe staining,
mineralized
50
100
76
90
14
0
(SW) SAND, brown (7.5YR 4/6), moist,
non-plastic, noncohesive, (ALLUVIUM)
(continued)
Continued:
METADIABASE, moderate to strong, black
(2.5N), fine grained, foliated,
(WEATHERED/FRACTURED ROCK)
SANDSTONE, strong to moderate, dark grayish
brown (10YR 4/2), medium grained, medium to
thinly bedded, (WEATHERED/FRACTURED
ROCK)
Continued: moderate, gray (6N)
Continued: strong, laminated to thinly bedded
SILTSTONE, strong, very dark gray (3N), very
fine grained, massive, contains trace Mn
throughout (WEATHERED/FRACTURED
ROCK)
Bottom of borehole at 49.5 feet.
36
100
76
90
DE
P
T
H
(f
t
)
25
30
35
40
45
BL
O
W
CO
U
N
T
S
(N

V
A
L
U
E
)
MONITORING
WELL
SA
M
P
L
E

T
Y
P
E
/
NO
.
/
C
O
R
E

R
U
N
REMARKS
RO
C
K
RE
C
O
V
E
R
Y

%
SO
I
L
RE
C
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E
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Y

(
i
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)
DESCRIPTION
RO
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PAGE 2 OF 2
BORING NUMBER GWA-20D
CLIENT Duke Energy Carolinas
PROJECT NUMBER 10026090 - 269372
PROJECT NAME Dan River Post CSA Additional Assesment
PROJECT LOCATION Eden, NC
NO
R
T
H

C
A
R
O
L
I
N
A

B
O
R
I
N
G

L
O
G

-

G
I
N
T

S
T
D

U
S

L
A
B
.
G
D
T

-

8
/
2
9
/
1
6

1
2
:
0
2

-

C
:
\
P
W
W
O
R
K
I
N
G
\
T
P
A
\
D
0
9
6
0
5
5
3
\
D
A
N

R
I
V
E
R

P
O
S
T

C
S
A

A
D
D
I
T
I
O
N
A
L

A
S
S
E
S
M
E
N
T
.
G
P
J
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
Phone: [phone]
hdrinc.com/follow-us
*See GWA-20D for lithology.
NOTES
LOGGED BY B. Doran CHECKED BY C. Hearn
DATE STARTED 6/21/16 COMPLETED 6/23/16
GROUND WATER LEVELS:DRILLING METHOD 4 1/4" ID HSA
DRILLING CONTRACTOR S&ME, Inc.
HOLE SIZE(S)8.25 inches
DATE/TIME ---
DATE/TIME ---
GROUND ELEVATION 508.856 ft
NORTHING 1789503.48 EASTING 996635.2123
DE
P
T
H
(f
t
)
0
5
10
15
20
25
BL
O
W
CO
U
N
T
S
(N

V
A
L
U
E
)
MONITORING
WELL
SA
M
P
L
E

T
Y
P
E
/
NO
.
/
C
O
R
E

R
U
N
REMARKS
RO
C
K
RE
C
O
V
E
R
Y

%
SO
I
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E
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Y

(
i
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)
DESCRIPTION
RO
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PAGE 1 OF 2
BORING NUMBER GWA-20S
CLIENT Duke Energy Carolinas
PROJECT NUMBER 10026090 - 269372
PROJECT NAME Dan River Post CSA Additional Assesment
PROJECT LOCATION Eden, NC
NO
R
T
H

C
A
R
O
L
I
N
A

B
O
R
I
N
G

L
O
G

-

G
I
N
T

S
T
D

U
S

L
A
B
.
G
D
T

-

8
/
2
9
/
1
6

1
2
:
0
2

-

C
:
\
P
W
W
O
R
K
I
N
G
\
T
P
A
\
D
0
9
6
0
5
5
3
\
D
A
N

R
I
V
E
R

P
O
S
T

C
S
A

A
D
D
I
T
I
O
N
A
L

A
S
S
E
S
M
E
N
T
.
G
P
J
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
Phone: [phone]
hdrinc.com/follow-us
Bottom of borehole at 25.5 feet.
DE
P
T
H
(f
t
)
25
BL
O
W
CO
U
N
T
S
(N

V
A
L
U
E
)
MONITORING
WELL
SA
M
P
L
E

T
Y
P
E
/
NO
.
/
C
O
R
E

R
U
N
REMARKS
RO
C
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RE
C
O
V
E
R
Y

%
SO
I
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Y

(
i
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)
DESCRIPTION
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PAGE 2 OF 2
BORING NUMBER GWA-20S
CLIENT Duke Energy Carolinas
PROJECT NUMBER 10026090 - 269372
PROJECT NAME Dan River Post CSA Additional Assesment
PROJECT LOCATION Eden, NC
NO
R
T
H

C
A
R
O
L
I
N
A

B
O
R
I
N
G

L
O
G

-

G
I
N
T

S
T
D

U
S

L
A
B
.
G
D
T

-

8
/
2
9
/
1
6

1
2
:
0
2

-

C
:
\
P
W
W
O
R
K
I
N
G
\
T
P
A
\
D
0
9
6
0
5
5
3
\
D
A
N

R
I
V
E
R

P
O
S
T

C
S
A

A
D
D
I
T
I
O
N
A
L

A
S
S
E
S
M
E
N
T
.
G
P
J
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
Phone: [phone]
hdrinc.com/follow-us
6-7-11
(18)
8-7-11
(18)
2-3-5
(8)
4-8-10
(18)
3-5-6
(11)
SS - 1
SS - 2
SS - 3
SS - 4
SS - 5
Advanced with 6 1/4" ID HSA augers from
surface.
13
6
18
18
17
(ML) Sandy SILT with Gravel, yellowish brown
(10YR 5/6), non-plastic, moist, noncohesive,
(FILL)
Continued: contains trace ash
(SM) Silty SAND, dark gray (5Y 4/1), non-plastic,
moist, cohesive, (ASH)
(SM) Silty SAND, yellowish brown (10YR 5/6),
non-plastic, moist, noncohesive, (SOIL)
(SP) SAND, light yellowish brown (10YR 6/4)
and grayish brown (10YR 4/2) and brownish
yellow (10YR 6/6), non-plastic, moist,
noncohesive, (SOIL)
Continued: wet
(SM) Silty SAND, yellowish brown (10YR 5/6),
non-plastic, wet, noncohesive, contains mica
and trace Mn staining in relict fractures, (SOIL)
Continued: moist
NOTES
LOGGED BY Brown/Campbell/Bishuk CHECKED BY C. Hearn
DATE STARTED 6/21/16 COMPLETED 7/12/16
GROUND WATER LEVELS:DRILLING METHOD 6 1/4" ID HSA, TMR, PQ Core, HQ Core
DRILLING CONTRACTOR S&ME, Inc.
HOLE SIZE(S)10.25 inches
DATE/TIME 7/12/2016 9:45:00 AM 17.55 ft / Elev 550.84 ft
DATE/TIME ---
GROUND ELEVATION 568.389 ft
NORTHING 1788356.711 EASTING 999057.5948
DE
P
T
H
(f
t
)
0
5
10
15
20
25
BL
O
W
CO
U
N
T
S
(N

V
A
L
U
E
)
MONITORING
WELL
SA
M
P
L
E

T
Y
P
E
/
NO
.
/
C
O
R
E

R
U
N
REMARKS
RO
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Y

%
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PAGE 1 OF 8
BORING NUMBER MW-317BRL
CLIENT Duke Energy Carolinas
PROJECT NUMBER 10026090 - 269372
PROJECT NAME Dan River Post CSA Additional Assesment
PROJECT LOCATION Eden, NC
NO
R
T
H

C
A
R
O
L
I
N
A

B
O
R
I
N
G

L
O
G

-

G
I
N
T

S
T
D

U
S

L
A
B
.
G
D
T

-

8
/
2
9
/
1
6

1
2
:
0
2

-

C
:
\
P
W
W
O
R
K
I
N
G
\
T
P
A
\
D
0
9
6
0
5
5
3
\
D
A
N

R
I
V
E
R

P
O
S
T

C
S
A

A
D
D
I
T
I
O
N
A
L

A
S
S
E
S
M
E
N
T
.
G
P
J
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
Phone: [phone]
hdrinc.com/follow-us
14-14-28
(42)
25-33-
50/5"
50/0"
SS - 6
SS - 7
SS - 8
RC - 1
RC - 2
RC - 3
Auger and SPT refusal encountered at approx.
35.8' bgs.
RC-1 unfractured
5" PVC casing installed at approx. 36' bgs and
grouted to surface. Begin PQ coring.
4" PVC casing installed at approx. 36' bgs and
grouted to surface. Begin HQ coring.
RC-2 unfractured
44' - 45.6': zone of many weakly bound
fractures; likely opened by drilling
RC-3 unfractured, except joint at 47.8', 35
degrees, tight, minor clay like coating
94
88
100
18
17
0
(SM) Silty SAND, yellowish brown (10YR 5/6),
non-plastic, wet, noncohesive, contains mica
and trace Mn staining in relict fractures, (SOIL)
(continued)
Continued: wet
(ML) SILT with Sand, light yellowish brown
(10YR 6/4), non-plastic, dry, noncohesive,
(SOIL)
Continued: mottled with light gray (GLEY1 7/N)
(ML) SILT with Sand, weathered
Siltstone/Mudstone, light yellowish brown (10YR
6/4) and gray (5Y 6/1), non-plastic, dry,
noncohesive, laminated and friable,
(SAPROLITE)
SANDSTONE, strong, dark gray (GLEY1 4/N),
fine grained, massive, fresh,
(WEATHERED/FRACTURED ROCK)
Continued: very dark gray (GLEY1 3/N)
94
88
100
DE
P
T
H
(f
t
)
25
30
35
40
45
50
BL
O
W
CO
U
N
T
S
(N

V
A
L
U
E
)
MONITORING
WELL
SA
M
P
L
E

T
Y
P
E
/
NO
.
/
C
O
R
E

R
U
N
REMARKS
RO
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Y

%
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PAGE 2 OF 8
BORING NUMBER MW-317BRL
CLIENT Duke Energy Carolinas
PROJECT NUMBER 10026090 - 269372
PROJECT NAME Dan River Post CSA Additional Assesment
PROJECT LOCATION Eden, NC
NO
R
T
H

C
A
R
O
L
I
N
A

B
O
R
I
N
G

L
O
G

-

G
I
N
T

S
T
D

U
S

L
A
B
.
G
D
T

-

8
/
2
9
/
1
6

1
2
:
0
2

-

C
:
\
P
W
W
O
R
K
I
N
G
\
T
P
A
\
D
0
9
6
0
5
5
3
\
D
A
N

R
I
V
E
R

P
O
S
T

C
S
A

A
D
D
I
T
I
O
N
A
L

A
S
S
E
S
M
E
N
T
.
G
P
J
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
Phone: [phone]
hdrinc.com/follow-us
RC - 4
RC - 5
RC - 6
RC - 7
RC - 8
52.3' - 53.2': fracture zone (likely mechanical),
RC-5 unfractured
62.3' - 62.7': joints, 45 degrees, tight, clean,
potentially mechanical
RC-7 unfractured
Many mechanical fractures along weak
laminations from 73.8' - 74.8' bgs
100
100
98
100
92
SANDSTONE, strong, dark gray (GLEY1 4/N),
fine grained, massive, fresh,
(WEATHERED/FRACTURED ROCK)
(continued)
Continued: gray (GLEY1 6/N)
Continued: dark gray (GLEY1 4/N)
Continued: more competent
SILTSTONE, strong, very dark gray (GLEY1
3/N), fine grained, massive, fresh,
(WEATHERED/FRACTURED ROCK)
92
100
87
100
92
DE
P
T
H
(f
t
)
50
55
60
65
70
75
BL
O
W
CO
U
N
T
S
(N

V
A
L
U
E
)
MONITORING
WELL
SA
M
P
L
E

T
Y
P
E
/
NO
.
/
C
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E

R
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REMARKS
RO
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PAGE 3 OF 8
BORING NUMBER MW-317BRL
CLIENT Duke Energy Carolinas
PROJECT NUMBER 10026090 - 269372
PROJECT NAME Dan River Post CSA Additional Assesment
PROJECT LOCATION Eden, NC
NO
R
T
H

C
A
R
O
L
I
N
A

B
O
R
I
N
G

L
O
G

-

G
I
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S
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U
S

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A
B
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-

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/
2
9
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0
2

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W
O
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I
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0
9
6
0
5
5
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D
A
N

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I
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E
R

P
O
S
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S
A

A
D
D
I
T
I
O
N
A
L

A
S
S
E
S
M
E
N
T
.
G
P
J
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
Phone: [phone]
hdrinc.com/follow-us
RC - 9
RC -
10
RC -
11
RC -
12
RC -
13
75.5': foliation joint, 50 degrees, tight, clean,
potentially mechanical
RC-10 unfractured
RC-11 unfractured
RC-11 unfractured except for mechanical
breaks; along weak 40 degree carbonaceous
foliation planes
Kaolonite on bedding plane
RC-13 unfractured except for mechanical
breaks; along weak foliation planes
86
100
96
100
94
MUDSTONE, strong, black (GLEY1 2.5/N), fine
grained, massive, fresh,
(WEATHERED/FRACTURED ROCK)
SANDSTONE, strong, very dark gray (GLEY1
3/N), fine grained, laminated, fresh,
(WEATHERED/FRACTURED ROCK)
MUDSTONE, interbedded with Sandstone,
moderate to strong, black (GLEY1 2.5/N) and
very dark gray (GLEY1 3/N) , fine grained,
laminated, fresh, carbonaceous Mudstone,
(WEATHERED/FRACTURED ROCK)
SANDSTONE, strong, dark gray (GLEY1 4/N),
fine grained with few medium grains, massive,
fresh, (WEATHERED/FRACTURED ROCK)
72
100
96
100
94
DE
P
T
H
(f
t
)
75
80
85
90
95
100
BL
O
W
CO
U
N
T
S
(N

V
A
L
U
E
)
MONITORING
WELL
SA
M
P
L
E

T
Y
P
E
/
NO
.
/
C
O
R
E

R
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REMARKS
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PAGE 4 OF 8
BORING NUMBER MW-317BRL
CLIENT Duke Energy Carolinas
PROJECT NUMBER 10026090 - 269372
PROJECT NAME Dan River Post CSA Additional Assesment
PROJECT LOCATION Eden, NC
NO
R
T
H

C
A
R
O
L
I
N
A

B
O
R
I
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L
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-

G
I
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S
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U
S

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A
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0
9
6
0
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5
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D
A
N

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E
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O
S
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S
A

A
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T
I
O
N
A
L

A
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S
E
S
M
E
N
T
.
G
P
J
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
Phone: [phone]
hdrinc.com/follow-us
RC -
14
RC -
15
RC -
16
RC -
17
RC -
18
100.3': joint, 60 degrees, tight, calcite infill
105.5': joint, 45 degrees, tight, quartz
mineralization
108': foliation joint, 55 degrees, tight, clean,
potentially mechanical
109': foliation joint, 55 degrees, tight, clean,
potentially mechanical
During Run RC-16, driller noted circulation
loss.
111' - 119.8'; Packer test conducted
112.2': joint, 70 degrees, tight, calcite
mineralization
112.6': joint, 55 degrees, tight, calcite
mineralization
115.6', 116.6' and 118.6': joints, 50 degrees,
tight, calcite mineralization
RC-18 unfractured
96
94
98
100
100
SANDSTONE, strong, dark gray (GLEY1 4/N),
fine grained with few medium grains, massive,
fresh, (WEATHERED/FRACTURED ROCK)
(continued)
MUDSTONE, moderate to strong, very dark gray
(GLEY1 3/N), fine grained, laminated, fresh,
(WEATHERED/FRACTURED ROCK)
SANDSTONE, interbedded with Mudstone,
strong, dark gray (GLEY1 4/N) to very dark gray
(GLEY1 3/N), fine grained, laminated, fresh,
(WEATHERED/FRACTURED ROCK)
96
90
98
100
100
DE
P
T
H
(f
t
)
100
105
110
115
120
125
BL
O
W
CO
U
N
T
S
(N

V
A
L
U
E
)
MONITORING
WELL
SA
M
P
L
E

T
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P
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/
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.
/
C
O
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E

R
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REMARKS
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PAGE 5 OF 8
BORING NUMBER MW-317BRL
CLIENT Duke Energy Carolinas
PROJECT NUMBER 10026090 - 269372
PROJECT NAME Dan River Post CSA Additional Assesment
PROJECT LOCATION Eden, NC
NO
R
T
H

C
A
R
O
L
I
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A

B
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9
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5
5
3
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N

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I
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E
R

P
O
S
T

C
S
A

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T
I
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N
A
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A
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S
E
S
M
E
N
T
.
G
P
J
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
Phone: [phone]
hdrinc.com/follow-us
RC -
19
RC -
20
RC -
21
RC -
22
RC -
23
RC-19 unfractured
RC-20 unfractured
RC-21 unfractured
143.6': foliation plane joint, 20 degrees, tight,
clean, potentially mechanical
145.2': joint, 50 degrees, tight, clean
146.8' - 149': calcite filled fenestra are
common
149' - 151': abundant soft sediment
deformations (distorted alternating laminations
100
100
100
98
100
SANDSTONE, interbedded with Mudstone,
strong, dark gray (GLEY1 4/N) to very dark gray
(GLEY1 3/N), fine grained, laminated, fresh,
(WEATHERED/FRACTURED ROCK)
(continued)
Continued: mottled dark reddish gray (10YR 4/1)
and bluish gray (GLEY2 6/1 5B), laminated
100
100
100
98
100
DE
P
T
H
(f
t
)
125
130
135
140
145
150
BL
O
W
CO
U
N
T
S
(N

V
A
L
U
E
)
MONITORING
WELL
SA
M
P
L
E

T
Y
P
E
/
NO
.
/
C
O
R
E

R
U
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REMARKS
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PAGE 6 OF 8
BORING NUMBER MW-317BRL
CLIENT Duke Energy Carolinas
PROJECT NUMBER 10026090 - 269372
PROJECT NAME Dan River Post CSA Additional Assesment
PROJECT LOCATION Eden, NC
NO
R
T
H

C
A
R
O
L
I
N
A

B
O
R
I
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G

L
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U
S

L
A
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W
O
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0
9
6
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5
3
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D
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I
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A
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A
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S
E
S
M
E
N
T
.
G
P
J
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
Phone: [phone]
hdrinc.com/follow-us
RC -
24
RC -
25
RC -
26
RC -
27
RC -
28
of Sandstone and Siltstone)
149.8' - 154': Siltstone and Mudstone
interclasts common throughout. Primary
horizontal bedding dips 35-40 degrees.
154' - 159.5': partially open fractures with
Calcite mineralization; 50 degree dip @ 151.1'
and 151.8' and 158', 45 degree dip @ 153', 60
degree dip @ 154.6'
161.3' - 162' and 164.7' - 165': conglomerate
beds consisting of coarse Sandstone grains
and clasts of Plagioclase Feldspar and Quartz
162.8' - 163.1': distorted laminations present,
partially open fractures with Calcite
mineralization; 50 degree dip @ 160.5', 65
degree dip from 161.3' - 162', 35 degree dips
@ 162.4' and 163', 65 degree dip from 163.5' -
164'
164.7' - 165': serpentinized slickensided
fracture with 65-75 degree dip
166.4': fracture, open, 30 degree dip
170.3' - 172.2': distorted laminations abundant
172.2' - 175': unfractured zone
100
100
96
100
100
SANDSTONE, interbedded with Mudstone,
strong, dark gray (GLEY1 4/N) to very dark gray
(GLEY1 3/N), fine grained, laminated, fresh,
(WEATHERED/FRACTURED ROCK)
(continued)
Continued: very strong, mottled colors, very fine
to fine grained, strong HCl reaction along
fracture surfaces
Continued: conglomeratic fine to coarse grained
SILTSTONE, grading to Sandstone, very strong,
mottled dusky red (7.5R 3/2) and greenish gray
(10GY 5/1), fine grained, massive, fresh,
(WEATHERED/FRACTURED ROCK)
100
100
96
100
100
DE
P
T
H
(f
t
)
150
155
160
165
170
175
BL
O
W
CO
U
N
T
S
(N

V
A
L
U
E
)
MONITORING
WELL
SA
M
P
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E

T
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P
E
/
NO
.
/
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E

R
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PAGE 7 OF 8
BORING NUMBER MW-317BRL
CLIENT Duke Energy Carolinas
PROJECT NUMBER 10026090 - 269372
PROJECT NAME Dan River Post CSA Additional Assesment
PROJECT LOCATION Eden, NC
NO
R
T
H

C
A
R
O
L
I
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A

B
O
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O
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D
0
9
6
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5
5
3
\
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A
N

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P
O
S
T

C
S
A

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D
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I
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N
A
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A
S
S
E
S
M
E
N
T
.
G
P
J
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
Phone: [phone]
hdrinc.com/follow-us
RC -
29
RC -
30
RC -
31
175.8' - 176.3': fracture, partially open, Calcite
mineralization, 65 degree dip
176' - 176.3': horizontal bedding planes dipping
45 degrees
178': two intersecting fractures, 30 degree
dips, partially open, Calcite and Pyrite
mineralization
179.8': fracture, 50 degree dip
180.3' - 180.7': fracture, 70 degree dip
180.6' - 181': three intersecting fractures, 15,
30 and 65 degree dips, partially open
181.1': fracture, 55 degree dip, closed, Calcite
mineralization
181.7': fracture, 60 degree dip, partially open,
Calcite mineralization
182' - 183.7': fractures, 80-85 degree dip,
closed, Calcite mineralization
184.8', 186.8', 189' and 189.3': fractures, 55
degree dips, partially open, Calcite
mineralization
185.7 - 186': seven intersecting fractures,
ranging from 60-80 degree dips, closed,
Calcite mineralization
186.7': fracture, 55 degree dip, closed, Calcite
mineralization
187.2': fracture, 10 degree dip, closed, Calcite
mineralization
187.7': fracture, 60 degree dip, closed, Calcite
mineralization
two intersecting fractures at 189.6' and 189.8',
10 and 50 degree dips, partially open, Calcite
mineralization
100
100
100
SILTSTONE, grading to Sandstone, very strong,
mottled dusky red (7.5R 3/2) and greenish gray
(10GY 5/1), fine grained, massive, fresh,
(WEATHERED/FRACTURED ROCK)
(continued)
SANDSTONE, very strong, gray (N5)and to
bluish gray (5B 6/1) and white (N/9 and N8.5)
along fracture surfaces, medium to coarse
grained, massive, fresh, strong HCl reaction
along fractures
Bottom of borehole at 189.8 feet.
86
96
77
DE
P
T
H
(f
t
)
175
180
185
BL
O
W
CO
U
N
T
S
(N

V
A
L
U
E
)
MONITORING
WELL
SA
M
P
L
E

T
Y
P
E
/
NO
.
/
C
O
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E

R
U
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REMARKS
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PAGE 8 OF 8
BORING NUMBER MW-317BRL
CLIENT Duke Energy Carolinas
PROJECT NUMBER 10026090 - 269372
PROJECT NAME Dan River Post CSA Additional Assesment
PROJECT LOCATION Eden, NC
NO
R
T
H

C
A
R
O
L
I
N
A

B
O
R
I
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A
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S
E
S
M
E
N
T
.
G
P
J
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
Phone: [phone]
hdrinc.com/follow-us
Duke Energy Carolinas, LLC | Dan River - CSA Groundwater Assessment
Appendix A, Sample Photographs
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Photo 1 – MW-317BRL: Box 1 of 13 - Depth: 36.0’ – 39.6’ - Date: 06/23/16

Photo 2 – MW-317BRL: Box 2 of 13 - Depth: 39.6’ – 51.0’ - Date: 06/27/16
Duke Energy Carolinas, LLC | Dan River - CSA Groundwater Assessment
Appendix A, Sample Photographs
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Photo 3 – MW-317BRL: Box 3 of 13 - Depth: 51.0’ – 61.2’ - Date: 06/27/16

Photo 4 – MW-317BRL: Box 4 of 13 - Depth: 61.2’ – 71.9’ - Date: 06/27/16
Duke Energy Carolinas, LLC | Dan River - CSA Groundwater Assessment
Appendix A, Sample Photographs
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Photo 5 – MW-317BRL: Box 5 of 13 - Depth: 71.9’ – 83.8’ - Date: 06/27/16

Photo 6 – MW-317BRL: Box 6 of 13 - Depth: 83.8’ – 94.8’ - Date: 06/27/16
Duke Energy Carolinas, LLC | Dan River - CSA Groundwater Assessment
Appendix A, Sample Photographs
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Photo 7 – MW-317BRL: Box 7 of 13 - Depth: 94.8’ – 109.8’ - Date: 06/28/16

Photo 8 – MW-317BRL: Box 8 of 13 - Depth: 109.8’ – 123.9’ - Date: 06/28/16
Duke Energy Carolinas, LLC | Dan River - CSA Groundwater Assessment
Appendix A, Sample Photographs
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Photo 9 – MW-317BRL: Box 9 of 13 - Depth: 123.9’ – 136.8’ - Date: 06/29/16

Photo 10 – MW-317BRL: Box 10 of 13 - Depth: 136.8’ – 149.8’ - Date: 06/29/16
Duke Energy Carolinas, LLC | Dan River - CSA Groundwater Assessment
Appendix A, Sample Photographs
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Photo 11 – MW-317BRL: Box 11 of 13 - Depth: 149.8’ – 164.0’ - Date: 07/7/16

Photo 12 – MW-317BRL: Box 12 of 13 - Depth: 164.0’ – 177.5’ - Date: 07/7/16
Duke Energy Carolinas, LLC | Dan River - CSA Groundwater Assessment
Appendix A, Sample Photographs
hdrinc.com 440 S Church Street, Suites 900 & 1000, Charlotte, NC 28202-2075
[phone]

Photo 13 – MW-317BRL: Box 13 of 13 - Depth: 177.5’ – 189.8’ - Date: 07/8/16