NC0003433_Cape Fear GeoSyntec Boring Logs Borings_20150902

Legend for Soil Classification Symbols
Pattern
Description
SP — poorly graded
sands
•;•
SW — well graded
:.
sands
GP — poorly graded
•�•
gravels
GW — well graded
k
gravels
SM — silty sands
r:
MH —elastic silts
ML — inorganic silts
with slight plasticity
r.
SC — clayey sands
CL— lean clays
CH —fat clays
Unconsolidated
Weathered Rock
Consolidated
Weathered Rock
AV
Roadbed Material
I -- I D--+ -:+-

Geosyntec",-,1300 South Mint Street
Suite 110
consultants Charlotte, NC 28203
BORING LOG
BOREHOLE ID: B14-1 (on the Dike of the 1956 Pond)
GENERAL INFORMATION
TECHNICAL INFORMATION
PROJECT NAME:Cape Fear Steam Electric Plant
DRILLING METHOD: Rotary Wash
PROJECT NO: GC5369
RIG TYPE: CME 45B Track Rig (Serial # 221904)
SITE LOCATION: Moncure, North Carolina
BOREHOLE DIA: 3.5"
BORING DATE: 811912013
SAMPLING METHOD: SPT with split spoon
GEOSYNTEC REPRESENTATIVE: Weston Shin
NORTHING: 672061.00
DRILLING CONTRACTOR: Mid -Atlantic Drilling
EASTING: 1984700.09
DRILLER NAME: William M. Wiggins
GROUND ELEVATION: 187.30 ft msl
Elev.
(ft msl)
Depth
(ft)
Lithologic Description
rn
C o
N-Value
Q)
o
Comments
a
U) in
0 10 20 30 40 50
a
0
Medium dense; brown; clayey fine SAND with
:
7-11-12
1.1'
185
silt; moist; SC
Loose; brown; clayey fine SAND with silt;
3-4-5
1.2'
moist; SC
Loose; brown; clayey fine SAND with silt;
3-4-5
0.7'
180
moist; SC
Loose; brown; silty fine SAND; moist; SM
SM, 013.6% MC, 0.0% Gravel, 60.0% Sand,
26.5 /o Silt, 13.5 /o Clay, NP.
5-4-5
0.9'
-10
175
Shelby Tube (13.5 - 15.1 ft bgs).
1.65'
15
:;:;:
-
GWT 24 hours after completion of boring at
15 ft bgs.
170
Medium dense; brown; silty fine SAND; moist;
6-8-8
1.0'
-20
SM
Very dense; brown; silty fine SAND; moist; SM
;:;
Boring terminated at 22.5 ft b s.
6-10-50/2"
1.0'
All rlanthc rafaranrart to nrni inrl ci irfara PROP. 1 of 1

Geosyntec",-,1300 South Mint Street
Suite 110
consultants Charlotte, NC 28203
BORING LOG
BOREHOLE ID: BH-2 (within the 1956 Pond)
GENERAL INFORMATION
TECHNICAL INFORMATION
PROJECT NAME:Cape Fear Steam Electric Plant
DRILLING METHOD: Continuous SPTs and Rotary Wash
PROJECT NO: GC5369
RIG TYPE: CME 45B Track Rig (Serial # 221904)
SITE LOCATION: Moncure, North Carolina
BOREHOLE DIA: 3.5"
BORING DATE: 811912013
SAMPLING METHOD: SPT with split spoon
GEOSYNTEC REPRESENTATIVE: Weston Shin
NORTHING: 1984979.18
DRILLING CONTRACTOR: Mid -Atlantic Drilling
EASTING: 672333.44
DRILLER NAME: William M. Wiggins
GROUND ELEVATION: 183.32 ft msl
Elev.
(ft msl)
Depth
(ft)
Lithologic Description
rn
C o
N-Value
a)
o
Comments
a
U) in
0 10 20 30 40 50
a
180
Shelby Tube (3.0 to 4.9 ft bgs).
Gray; SILT; ML (Ash)
1.9'
ML, 27.8%/25.8% MC, 0.0% Gravel, 11.0%
Sand, 77.7% Silt, 11.3% Clay, NP,
-5
DD=53.2/51.1 pcf, SG=2.240.
Very loose; gray; SILT; moist; ML (Ash)
1-2-2-3
1.3
34.9% MC, 0.0% Gravel, 4.9% Sand, 86.7%
Silt, 8.4% Clay.
3-3-4-4
2.0'
Loose; gray; SILT; moist; ML (Ash)
175
-10
Loose; gray; SILT; moist; ML (Ash)
3-3-2-3
1.5'
Loose; gray; SILT; moist; ML (Ash)
ML, 35.2% MC, 0.0% Gravel, 4.2% Sand,
3-3-3-2
1.3'
84.0% Silt, 11.8% Clay, NP, SG=2.235.
170
Very loose; gray; fine sandy SILT to silty fine
2-2-1-2
1.5'
SAND; moist; ML/SM (Ash)
-15
....
Very loose; gray; fine sandy SILT; moist (wet at
2-1-1-1
1.3'
Rod was dry for 16 ft.
16 ft bgs); ML (Ash)
Environmental Sampling:
SS-PZ10(15-17)20130819.
2-2-2-2
1.5'
Top: Very loose; gray; fine to medium SAND
165
with silt; moist; SP-SM (Ash)
Bottom: Soft; brown; CLAY; moist; CL (Soil)
1-1-2-3
o.s'
-20
Soft; brown; fat CLAY with fine sand; moist; CH
(Soil)
Loose; brown; silty fine to medium SAND to
2-3-3-2
1.3'
fine to medium sandy SILT; wet; SM/ML
160
Loose; brown; silty fine to medium SAND; wet;
2.0'
25.3% MC, 0.0% Gravel, 65.2% Sand, 34.8%
1-3-2-5
SM
FC.
Environmental Sampling:
-25
"'
SS-PZ10(23-25)20130819
Loose; brown; silty fine to medium SAND; wet;
2-4-3-3
1.5'
SM
Begin using drilling fluid.
155
12-22-26
0.8'
Dense; gray; sandy GRAVEL; wet; GP
-30
All rlanthc mfelmnrari to nrni inri ci irfara Pane 1 of 2

GeosyntecL,-'1300 South Mint Street
Suite 110
consultants Charlotte, NC 28203
BORING LOG
BOREHOLE ID: BH-2 (within the 1956 Pond)
GENERAL INFORMATION
TECHNICAL INFORMATION
PROJECT NAME:Cape Fear Steam Electric Plant
DRILLING METHOD: Continuous SPTs and Rotary Wash
PROJECT NO: GC5369
RIG TYPE: CME 45B Track Rig (Serial # 221904)
SITE LOCATION: Moncure, North Carolina
BOREHOLE DIA: 3.5"
BORING DATE: 811912013
SAMPLING METHOD: SPT with split spoon
GEOSYNTEC REPRESENTATIVE: Weston Shin
NORTHING: 1984979.18
DRILLING CONTRACTOR: Mid -Atlantic Drilling
EASTING: 672333.44
DRILLER NAME: William M. Wiggins
GROUND ELEVATION: 183.32 ft msl
Elev.
(rt ms�)
Depth
(tt)
Lithologic Description
c:
iD
o o
N-Value
�
Comments
0_
m
0 10 20 30 40 50o

Geosyntec",-,1300 South Mint Street
Suite 110
consultants Charlotte, NC 28203
BORING LOG
BOREHOLE ID: BH-3 (on the Dike of the 1963 Pond)
GENERAL INFORMATION
TECHNICAL INFORMATION
PROJECT NAME:Cape Fear Steam Electric Plant
DRILLING METHOD: Rotary Wash
PROJECT NO: GC5369
RIG TYPE: CME 45B Track Rig (Serial #221904)
SITE LOCATION: Moncure, North Carolina
BOREHOLE DIA: 3.5"
BORING DATE: 811312013
SAMPLING METHOD: SPT with split spoon
GEOSYNTEC REPRESENTATIVE: Weston Shin
NORTHING: 1984810.26
DRILLING CONTRACTOR: Mid -Atlantic Drilling
EASTING: 668964.64
DRILLER NAME: William M. Wiggins
GROUND ELEVATION: 195.05 ft msl
Elev.
(ft msl)
Depth
(ft)
Lithologic Description
rn
CLo
N-Value
Q)
o
Comments
a
U) in
0 10 20 30 40 50
a
Medium dense; brown; gravelly SAND; moist;. 11-9-8 0.4'
SW
Rod was shaking during drilling at 3 ft bgs.
Stiff; brown and gray; silty CLAY with sand;[33-5-6
1.3'
190 -5 moist; iron oxidized; CL
Firm; reddish brown; fat CLAY with sand; 1.1'
moist; CH
Shelby Tube (8.0 - 9.8 ft bgs).
Reddish brown; sandy fat CLAY; CH 1.8' CH, 22.9%/19.0%/21.4%/23.0% MC, 0.6%
Gravel, 31.5% Sand, 25.1 % Silt, 42.8% Clay,
185 -10 LL=61, PL=31, PI=30, DD=99.8/96.5/100.6
Stiff; brown/gray; silty CLAY; moist; CL 1 2' Pcf, SG=2.810.
Top: Stiff; gray; fine sandy SILT; moist; ML 3-5-5 1.5'
180 -15 Bottom: Stiff; brown; silty CLAY; moist; CL
Stiff; brown/gray; silty CLAY; moist; CL 3-4-5 M15'GWT 48 hours after completion of boring at
175 -20 19 ft bgs
Top 0.3 ft: Very stiff; gray; silty CLAY; moist to
wet; CL 10-14-11 1.2'
170 25 Bottom 0.9 ft: Medium dense; gray; silty fine `'
SAND to fine sandy SILT; moist to wet; SM/ML
Loose; reddish brown; silty fine SAND to fine
sand SILT; moist to wet; SM/ML
165 -30 y
All rlanthc mfelmnrari to nrni inri ci irFnra Pane 1 of 2

Geosyntec",-,1300 South Mint Street
Suite 110
consultants Charlotte, NC 28203
BORING LOG
BOREHOLE ID: BH-3 (on the Dike of the 1963 Pond)
GENERAL INFORMATION
TECHNICAL INFORMATION
PROJECT NAME:Cape Fear Steam Electric Plant
DRILLING METHOD: Rotary Wash
PROJECT NO: GC5369
RIG TYPE: CME 45B Track Rig (Serial #221904)
SITE LOCATION: Moncure, North Carolina
BOREHOLE DIA: 3.5"
BORING DATE: 811312013
SAMPLING METHOD: SPT with split spoon
GEOSYNTEC REPRESENTATIVE: Weston Shin
NORTHING: 1984810.26
DRILLING CONTRACTOR: Mid -Atlantic Drilling
EASTING: 668964.64
DRILLER NAME: William M. Wiggins
GROUND ELEVATION: 195.05 ft msl
Elev.
(ft msI)
Depth
(ft)
Lithologic Description
rn
CLo
N-Value
Q)
o
Comments
a
o7 in
0 10 20 30 40 50
a
Shelby Tube (33.5 - 34.7 ft bgs).
Reddish brown; lean CLAY; CL 1 2' CL, 25.1 %/26.7%/29.2% MC, 0.0%Gravel,
160 -35 6.1 % Sand, 53.0% Silt, 40.9% Clay, LL=38,
PL=22, PI=16, DD=99.8/97.7 pcf.
Switch to 2.5" diameter drill bit
Firm; reddish brown; lean CLAY; moist; CL 3-4-4 1.8'
155 -40 .... .
Soft; reddish brown; sandy lean CLAY; moist to 2 2 2 t g CL, 27.3% MC, 0.0% Gravel, 39.2% Sand,
150 -45 wet; CL /o 34.6 Silt, 26.2 /o Clay, LL=32, PL=20,
PI=12.

Geosyntec",-,1300 South Mint Street
Suite 110
consultants Charlotte, NC 28203
BORING LOG
BOREHOLE ID: BH-4 (on the Dike of the 1970 Pond)
GENERAL INFORMATION
TECHNICAL INFORMATION
PROJECT NAME:Cape Fear Steam Electric Plant
DRILLING METHOD: Rotary Wash
PROJECT NO: GC5369
RIG TYPE: CME 45B Track Rig (Serial # 221904)
SITE LOCATION: Moncure, North Carolina
BOREHOLE DIA: 3.5"
BORING DATE: 811412013
SAMPLING METHOD: SPT with split spoon
GEOSYNTEC REPRESENTATIVE: Weston Shin
NORTHING: 667382.43
DRILLING CONTRACTOR: Mid -Atlantic Drilling
EASTING: 1985054.63
DRILLER NAME: William M. Wiggins
GROUND ELEVATION: 195.19 ft msl
Elev.
(ft msl)
Depth
(ft)
Lithologic Description
rn
CLo
N-Value
a)
o
Comments
a
o7 in
0 10 20 30 40 50
a
Stiff; brown; CLAY with sand; moist; CL % 6-6-5 0.5' IUse 2.5" diameter drill bit
Stiff; brown (occasionally white); CLAY with 5-6-6 0.7' 19.1 % MC, LL=40, PL=21, PI=19.
190 -
5 gravel; moist; CL
Firm; brown (occasionally white); CLAY with 3-3-4 0.7' 20.2% MC.
gravel; moist; CL
Very stiff; brown; silty CLAY; moist; CL 7-8-9 1.2' 17.0% MC, LL=34, PL=19, PI=15.
185 -10 Switch to a 3.5" diameter drill bit before
collecting a Shelby Tube sample.
Cuttings stuck to drill bit between 10 and 13 ft
bgs.
2.0' Shelby Tube (13.0 - 15.0 ft bgs)
180 -15
Firm; brown; silty CLAY; moist; CL 3-4-4 1.5'
175 $ Stiff; brown; silty CLAY; moist; CL 4-5-8 } 1.5' 22.1 % MC.
-20 I
GWT 24 hours after completion of boring at
Very stiff; brown; lean CLAY; moist; CL
4-7-10 1.5' 23 ft bgs.
170
-25 Bottom 6": Occasional gray SILT (ash?)
Medium dense; brown; fine SAND; moist to 7-7-5 1.4' More than "normal" drilling fluid loss.
165 -30 Net; SP
All rlanthc mfelmnrari to nrni inri ci irFnra Pane 1 of 2

Geosyntec",-,1300 South Mint Street
Suite 110
consultants Charlotte, NC 28203
BORING LOG
BOREHOLE ID: BH-4 (on the Dike of the 1970 Pond)
GENERAL INFORMATION
TECHNICAL INFORMATION
PROJECT NAME:Cape Fear Steam Electric Plant
DRILLING METHOD: Rotary Wash
PROJECT NO: GC5369
RIG TYPE: CME 45B Track Rig (Serial # 221904)
SITE LOCATION: Moncure, North Carolina
BOREHOLE DIA: 3.5"
BORING DATE: 811412013
SAMPLING METHOD: SPT with split spoon
GEOSYNTEC REPRESENTATIVE: Weston Shin
NORTHING: 667382.43
DRILLING CONTRACTOR: Mid -Atlantic Drilling
EASTING: 1985054.63
DRILLER NAME: William M. Wiggins
GROUND ELEVATION: 195.19 ft msl
Elev.
(ft msl)
Depth
(ft)
Lithologic Description
rn
C o
N-Value
a)
o
Comments
a
o7 in
0 10 20 30 40 50
a
Shelby Tube (33.0 - 34.6 ft bgs).
SC, 18.5%/21.3%/21.7% MC, 0.0% Gravel,
55.5% Sand, 23.8% Silt, 20.7% Clay, LL=27,
Clayey SAND; SC 1.6' PL=17, PI=10, DD=114.7/113.8 pcf,
SG=2.719.
160
-35 Switch to a 2.5" diameter drill bit.
Soft; brown; CLAY with sand; moist to wet; CL 1-1-2 1.5'
Soft; brown; fat CLAY; moist to wet; CH 2-2-2 1.5'
155 -40
150 Loose; brown; silty fine SAND; moist to wet; 1-3-2 1.5' 15 5% Clay.
Gravel, 65.5% Sand, 19.0%
Silt,
-45
SM :�:�: y

Geosyntec",-,1300 South Mint Street
Suite 110
consultants Charlotte, NC 28203
BORING LOG
BOREHOLE ID: BH-5 (within the 1970 Pond)
GENERAL INFORMATION
TECHNICAL INFORMATION
PROJECT NAME:Cape Fear Steam Electric Plant
DRILLING METHOD: Continuous SPTs and Rotary Wash
PROJECT NO: GC5369
RIG TYPE: CME 45B Track Rig (Serial # 221904)
SITE LOCATION: Moncure, North Carolina
BOREHOLE DIA: 3.5"
BORING DATE: 811612013
SAMPLING METHOD: SPT with split spoon
GEOSYNTEC REPRESENTATIVE: Weston Shin
NORTHING: 668345.67
DRILLING CONTRACTOR: Mid -Atlantic Drilling
EASTING: 1985623.89
DRILLER NAME: William M. Wiggins
GROUND ELEVATION: 187.57 ft msl
Elev.
(ft msl)
Depth
(ft)
Lithologic Description
rn
CLo
N-Value
Q)
o
Comments
a
U) in
0 10 20 30 40 50
a
185
0.5'
Shelby Tube (3.0 - 5.0 ft bgs) sampling
unsuccessful.
-5
Shelby Tube (5.0 - 7.0 ft bgs).
SILT; ML (Ash)
ML, 62.3%/64.8% MC, 0.0% Gravel, 9.2%
Sand, 82.6% Silt, 8.2% Clay, NP,
DD=55.1/57.5 pcf, SG=2,357.
1-1-1/12
0.4'
180
Very loose; black; SILT; moist; ML (Ash)
-10
Top 0.7 ft: Very loose; black; fine sandy SILT;
moist to wet; ML (Ash)
Bottom 0.8 ft: Very loose; black; silty fine to
1-1-1-1
1.5'
medium SAND; moist to wet; SM (Ash)
Very loose; black; fine to medium sandy SILT;
1.2'
175
wet; ML (Ash)
Very loose; black; SILT with sand; wet; ML
(Ash)
ML, 58.1 % MC, 0.2% Gravel, 20.7% Sand,
68.8% Silt, 10.3% Clay, NP.
1.2'
-15
;...
Very loose; black; silty fine SAND to fine sandy
1.2'
SILT; wet; SM/ML (Ash)
170
Very loose; black; SILT with sand; wet; ML
(Ash)
ML, 52.4% MC, 0.0%Gravel, 17.2% Sand,
70.1 % Silt, 12.7% Clay, NP.
woH
2.0
Environmental Sampling:
woH
1.5'
20
Very soft; green/gray; fat CLAY; moist to wet;
CH (Soil)
...
SS-PZ7(17-19)20130816.
Begin using drilling fluid at 21 ft bgs.
1-2-2-3
2.0'
Soft; brown/gray; lean CLAY; moist; CL
Environmental Sampling:
165
SS PZ7(21-23)20130816.
Stiff; brown/gray; lean CLAY; moist; occasional
wood chips and cable; CL
Boring terminated at 25 ft bgs.
Piezometer PZ-7 installed after completion of
boring. Screened depth from 8.0 - 18.0 ft bgs.
4-7-6-8
2 0,
All rlanthc mfelmnrari to nrni inri ci irFnra Pnae 1 of 1

Geosyntec",-,1300 South Mint Street
Suite 110
consultants Charlotte, NC 28203
BORING LOG
BOREHOLE ID: BH-6 (within the 1963 Pond)
GENERAL INFORMATION
TECHNICAL INFORMATION
PROJECT NAME:Cape Fear Steam Electric Plant
DRILLING METHOD: Rotary Wash
PROJECT NO: GC5369
RIG TYPE: CME 45B Track Rig (Serial # 221904)
SITE LOCATION: Moncure, North Carolina
BOREHOLE DIA: 3.5"
BORING DATE: 811512013
SAMPLING METHOD: SPT with split spoon
GEOSYNTEC REPRESENTATIVE: Weston Shin
NORTHING: 669440.98
DRILLING CONTRACTOR: Mid -Atlantic Drilling
EASTING: 1985256.85
DRILLER NAME: William M. Wiggins
GROUND ELEVATION: 192.75 ft msl
Elev.
(rt msp
Depth
(n)
Lithologic Description
rn
CL o
N-Value
o
Comments
a
`7) in
0 10 20 30 40 50
a
190
2.0, Shelby Tube (3.0 - 5.0 ft bgs).
The weight of the sample: 7.3 lb.
5 13.6% MC, DD=60.8 pcf.
Medium dense; black; silty SAND; moist; 5-6-9 0.8' Begin using drilling fluid. o 0
occasional brown matter (soil?); SM (Ash) 39.3 /o MC, 7.8 /o Gravel, 60.3 /o Sand, 31.1 /o
185 Silt, 0.8 /o Clay.
Very loose; black; silty SAND; wet; SM (Ash) 2-2-2 0.4' SM, 41.1% MC, 4.1% Gravel, 67.7% Sand,
-10 19.3% Silt, 8.9% Clay, NP.
180
-15 /12"-1/1
No sample recovery 1

Geosyntec",-,1300 South Mint Street
Suite 110
consultants Charlotte, NC 28203
BORING LOG
BOREHOLE ID: BH-6A (within the 1963 Pond)
GENERAL INFORMATION
TECHNICAL INFORMATION
PROJECT NAME:Cape Fear Steam Electric Plant
DRILLING METHOD: Continuous SPTs
PROJECT NO: GC5369
RIG TYPE: CME 45B Track Rig (Serial # 221904)
SITE LOCATION: Moncure, North Carolina
BOREHOLE DIA: 3.5"
BORING DATE: 811512013
SAMPLING METHOD: SPT with split spoon
GEOSYNTEC REPRESENTATIVE: Weston Shin
NORTHING: 669440.74
DRILLING CONTRACTOR: Mid -Atlantic Drilling
EASTING: 1985252.75
DRILLER NAME: William M. Wiggins
GROUND ELEVATION: 192.85
Elev.
(ft msl)
Depth
(ft)
Lithologic Description
rn
a o
N-Value
a)
o
Comments
a
o7 in
0 10 20 30 40 50
a
0
No drilling fluid was used during boring BH-
6A.
190
-5
Refer to the BH-6 Log for Lithologic Description
185
4-3-2-3
-10
...
1-1-2-2
180
No sampling down to a depth of 14 ft bgs
2-1-1-2
-15
Very loose; gray; sandy SILT; wet; ML (Ash)
-
ML, 46.6% MC, 2.4% Gravel, 35.7% Sand,
50.6% Silt, 11.3% Clay, NP.
1/12"-1/12
1 2'
Depths between 14 and 23 ft bgs should be
1/24"
0.5'
Very loose; gray; silty fine to medium SAND;
wet; SM (Ash)
considered approximate due to an incorrect
depth measurement during drilling.
175
Environmental Sampling:
SS-PZ8(17-18)20130815.
170
-20
Top 0.2 ft: Medium dense; gray; silty fine to
medium SAND; wet; SM (Ash)
Bottom 0.8 ft: Very stiff; brown; lean CLAY; dry
to moist; CL (Soil)
Very hard; brown; lean CLAY; dry to moist; CL
Soil
1.0'
0.5'
Environmental Sampling:
SS-PZ8(22-23)20130815.
Boring terminated at 23.5 ft bgs.
Piezometer PZ-8 installed after completion of
boring. Screened depth from 11.0-21.0 ft bgs.
9-8-11-15
50/3"
All rlanthc mfelmnrari to nrni inri ci irFnra Pane 1 of 1

Geosyntec",-,1300 South Mint Street
Suite 110
consultants Charlotte, NC 28203
BORING LOG
BOREHOLE ID: BH-7 (within the 1978 Pond)
GENERAL INFORMATION
TECHNICAL INFORMATION
PROJECT NAME:Cape Fear Steam Electric Plant
DRILLING METHOD: Continuous SPTs and Rotary Wash
PROJECT NO: GC5369
RIG TYPE: CME 45B Track Rig (Serial # 221904)
SITE LOCATION: Moncure, North Carolina
BOREHOLE DIA: 3.5"
BORING DATE: 811512013
SAMPLING METHOD: SPT with split spoon
GEOSYNTEC REPRESENTATIVE: Weston Shin
NORTHING: 668894.95
DRILLING CONTRACTOR: Mid -Atlantic Drilling
EASTING: 1985735.69
DRILLER NAME: William M. Wiggins
GROUND ELEVATION: 190.82 ft msl
Elev.
(ft msl)
Depth
(ft)
Lithologic Description
rn
C o
N-Value
a)
o
Comments
a
o7 in
0 10 20 30 40 50
a
190
Shelby Tube (3.0 - 4.2 ft bgs). The top of the
1.2'
Shelby Tube sample was ash; but the bottom
of the Shelby Tube sample was soil.
-5
185
Stiff; reddish brown (occasionally white); silty
5-5-5-5
1.8'
CLAY with gravel; moist; CH
Medium dense; brown; clayey SAND; moist;
SC, 21.8% MC, 7.4% Gravel, 49.6% Sand,
°
6-8-8-8
2.0'
moist to wet at 9 ft bgs; some ash at 7 ft bgs;
11.4% Silt, 31.6% Clay, LL=83, PL=33,
SC
PI=50.
1.7'
-10
Medium dense; brown; clayey fine to medium
:::
9-8-7-8
SAND; moist to wet; ash at 9.5 ft bgs; SCNX
?;:?
Environmental Sampling:
180
SS-PZ9(9-11)20130815.
4-6-8-10
1.0'
Stiff; brown (occasionally pink); silty CLAY;
moist; wet at top of sample; CH
Very stiff; brown (occasionally dark pink);
MH, 25.3% MC, 0.0% Gravel, 2.3% Sand,
1-10-13-1
1.5'
elastic SILT; moist; MH
50.2% Silt, 47.5% Clay, LL=50, PL=31,
-15
Hox
PI=19.
. -.�
I--1- hr—A- (no—innniki ri—lr ninlrl- fnf CI AV
1-16-23-3
:

Geosyntec",-,1300 South Mint Street
Suite 110
consultants Charlotte, NC 28203
BORING LOG
BOREHOLE ID: BH-8 (Crossdike of 1963/1978 Ponds)
GENERAL INFORMATION
TECHNICAL INFORMATION
PROJECT NAME:Cape Fear Steam Electric Plant
DRILLING METHOD: Rotary Wash
PROJECT NO: GC5369
RIG TYPE: CME 45B Track Rig (Serial # 221904)
SITE LOCATION: Moncure, North Carolina
BOREHOLE DIA: 3.5"
BORING DATE: 811412013
SAMPLING METHOD: SPT with split spoon
GEOSYNTEC REPRESENTATIVE: Weston Shin
NORTHING: 668795.02
DRILLING CONTRACTOR: Mid -Atlantic Drilling
EASTING: 1985664.97
DRILLER NAME: William M. Wiggins
GROUND ELEVATION: 197.32 ft msl
Elev.
(ft msl)
Depth
(ft)
Lithologic Description
rn
CLo
N-Value
a)
o
Comments
a
o7 in
0 10 20 30 40 50
a
Very stiff; reddish brown; lean CLAY with sand; 6-7-9
195 moist; CL
Top 1 ft: Stiff; brown; lean CLAY; moist; CL 4-7-7
-5 Bottom 0.5 ft: Stiff; brown; lean CLAY with
sand; moist; CL
Firm; brown; lean CLAY with gravel; moist; CL 1-2-3
190
Soft; brown (bottom 6" gray); lean CLAY with 1-2-1
-10 fine sand; moist; CL
185
U-1111]
175
170
Very loose; gray; SILT; wet; ML (Ash)
-15
Stiff; brown; fat CLAY; moist; CH VA 2-3-6
-20
Very stiff; pink/brown; fat CLAY; moist; CHKA
r4 6-9-13
-25 Y�ifr/ill
Hard; brown/gray; silty CLAY; moist; laminated; 7-20-30
-30 occasional organic matter; CL
1.2'
1.5'
0.5'
1.0'
1.3'
ML, 51.4% MC, 3.6% Gravel, 2.4% Sand,
86.6% Silt, 7.4% Clay, NP, SG=2.127.
GWT 24 hours after completion of boring at
17 ft bgs.
All rlanthc mfelmnrari to nrni inri ci irFnra Pace 1 of 2

GeosyntecL,-'1300 South Mint Street
Suite 110
consultants Charlotte, NC 28203
BORING LOG
BOREHOLE ID: BH-8 (Crossdike of 1963/1978 Ponds)
GENERAL INFORMATION
TECHNICAL INFORMATION
PROJECT NAME:Cape Fear Steam Electric Plant
DRILLING METHOD: Rotary Wash
PROJECT NO: GC5369
RIG TYPE: CME 45B Track Rig (Serial # 221904)
SITE LOCATION: Moncure, North Carolina
BOREHOLE DIA: 3.5"
BORING DATE: 811412013
SAMPLING METHOD: SPT with split spoon
GEOSYNTEC REPRESENTATIVE: Weston Shin
NORTHING: 668795.02
DRILLING CONTRACTOR: Mid -Atlantic Drilling
EASTING: 1985664.97
DRILLER NAME: William M. Wiggins
GROUND ELEVATION: 197.32 ft msl
Elev.
(rt msI)
Depth
(tt)
Lithologic Description
c:
iD
o o
N-Value
�
o
Comments
0_
m
0 10 20 30 40 50

Geosyntec",-,1300 South Mint Street
Suite 110
consultants Charlotte, NC 28203
BORING LOG
BOREHOLE ID: BH-9 (on the Dike of the 1985 Pond)
GENERAL INFORMATION
TECHNICAL INFORMATION
PROJECT NAME:Cape Fear Steam Electric Plant
DRILLING METHOD: Rotary Wash
PROJECT NO: GC5369
RIG TYPE: CME 45B Truck Rig (Serial # 221904)
SITE LOCATION: Moncure, North Carolina
BOREHOLE DIA: 3.5"
BORING DATE: 812012013
SAMPLING METHOD: SPT with split spoon
GEOSYNTEC REPRESENTATIVE: Weston Shin
NORTHING: 670603.70
DRILLING CONTRACTOR: Mid -Atlantic Drilling
EASTING: 1986584.16
DRILLER NAME: William M. Wiggins
GROUND ELEVATION: 193.69 ft msl
Elev.
(ft msI)
Depth
(ft)
Lithologic Description
rn
C o
N-Value
Q)
o
Comments
a
o7 in
0 10 20 30 40 50
a
Dense; reddish brown; clayey SAND; moist; SC %,j 7-11-12 0.9'
190 Very stiff; brown (occasionally reddish); SILT 4-10-g 0.8' 15.6% MC, NP.
1-5 with sand; moist; ML
Stiff; brown (occasionally reddish); SILT with 5-7-8 ♦ 0.8'
sand; moist; ML k
185 s-7-7 N
10 clay; ML (Ash) GWT 24 hours after completion of boring at
Medium dense; black; SILT; moist; occasional
10 ft bgs.
180 Very stiff; brown/light gray; lean CLAY with 5-7-9 p.g 15.3% MC, LL=26, PL=18, PI=8.
15 sand; moist; CL

Geosyntec",-,1300 South Mint Street
Suite 110
consultants Charlotte, NC 28203
BORING LOG
BOREHOLE ID: BH-9 (on the Dike of the 1985 Pond)
GENERAL INFORMATION
TECHNICAL INFORMATION
PROJECT NAME:Cape Fear Steam Electric Plant
DRILLING METHOD: Rotary Wash
PROJECT NO: GC5369
RIG TYPE: CME 45B Truck Rig (Serial # 221904)
SITE LOCATION: Moncure, North Carolina
BOREHOLE DIA: 3.5"
BORING DATE: 812012013
SAMPLING METHOD: SPT with split spoon
GEOSYNTEC REPRESENTATIVE: Weston Shin
NORTHING: 670603.70
DRILLING CONTRACTOR: Mid -Atlantic Drilling
EASTING: 1986584.16
DRILLER NAME: William M. Wiggins
GROUND ELEVATION: 193.69 ft msl
Elev.
(ft msI)
Depth
(ft)
Lithologic Description
rn
CLo
N-Value
Q)
o
Comments
a
o7 in
0 10 20 30 40 50
a
Shelby Tube (33.0 - 34.8 ft bgs).
CL, 22.8%/24.7% MC, 0.3% Gravel, 5.6%
160 Lean CLAY; CL 1.8' Sand, 48.5% Silt, 45.6% Clay, LL=34, PL=21,
PI=13, DD=101.2 pcf.
-35 Switch to 2.5" diameter drill bit at 35 ft bgs.
Firm; gray; lean CLAY; moist; occasional 1-2-5 0.5'
organic matter; CL
155
Stiff; gray; lean CLAY; moist; abundant brown 2-3-6 1.5'
-40 organic matter; CL
... .............................. . ] t
150 Top 0.6 ft: Stiff; gray; fine sandy CLAY; moist
to wet; CL 2-4-6 1.2'
-45 Bottom 0.6 ft: Loose; gray; fine to medium
SAND; wet; SP
Rod was shaking during drilling at 46 ft bgs.
Boring terminated at 47 ft bas.

Geosyntec",-,1300 South Mint Street
Suite 110
consultants Charlotte, NC 28203
BORING LOG
BOREHOLE ID: BH-10 (within the 1985 Pond)
GENERAL INFORMATION
TECHNICAL INFORMATION
PROJECT NAME:Cape Fear Steam Electric Plant
DRILLING METHOD: Rotary Wash
PROJECT NO: GC5369
RIG TYPE: CME 45B Track Rig (Serial # 221904)
SITE LOCATION: Moncure, North Carolina
BOREHOLE DIA: 3.5"
BORING DATE: 812112013
SAMPLING METHOD: SPT with split spoon
GEOSYNTEC REPRESENTATIVE: Weston Shin
NORTHING: 669636.42
DRILLING CONTRACTOR: Mid -Atlantic Drilling
EASTING: 1988199.42
DRILLER NAME: William M. Wiggins
GROUND ELEVATION: 195.92 ft msl
Elev.
(ft msl)
Depth
(ft)
Lithologic Description
rn
CL o
N-Value
o
Comments
a
W in
0 10 20 30 40 50
a
0
195
4-4-4
1.4'
Loose; black; SILT; moist; ML (Ash)
5
Loose; black; sandy SILT; moist to wet; ML
(Ash)
ML, 51.1 % MC, 0.4% Gravel, 29.9% Sand,
60.9% Silt, 8.8% Clay, NP, SG=2.179.
3-4-4
1.2'
190
2-2-2
1.2'
Very loose; black; fine to medium sandy SILT;
moist to wet; ML (Ash)
Very loose; black; fine to medium SAND with
1-1-2
0.9'
-10
silt; wet; stiffer at the top; wood chips at 8.5 ft
bgs; SP-SM (Ash)
185
Shelby Tube (11.0 - 13.0 ft bgs).
38.7%/39.3%/36.2%/38.7%/37.7% MC,
2.0'
DD=64.9/64.0/60.7/65.3/64.6 pcf.
No sample recovery
woH 41None
-15
....
180
Very loose; black; sandy SILT; wet; ML (Ash)
woH 400.6'
-20
...
175
25
Very loose; black; SILT; wet; ML (Ash)
ML, 60.0% MC, 0.0% Gravel, 8.5% Sand,
74.2% Silt, 17.3% Clay, NP.
wOH 41
1.5,
170
No sample recovery
woH
None
-30
-
Environmental Sampling:
Very165 loose; darkgray;SILT; wet; ML Ash
woH
1.7'
SS-PZ6 30-31.5 20130821.
All rlanthc mfelmnrarl to nrni inH zi irFnra Pane 1 of 2

Geosyntec",-,1300 South Mint Street
Suite 110
consultants Charlotte, NC 28203
BORING LOG
BOREHOLE ID: BH-10 (within the 1985 Pond)
GENERAL INFORMATION
TECHNICAL INFORMATION
PROJECT NAME:Cape Fear Steam Electric Plant
DRILLING METHOD: Rotary Wash
PROJECT NO: GC5369
RIG TYPE: CME 45B Track Rig (Serial # 221904)
SITE LOCATION: Moncure, North Carolina
BOREHOLE DIA: 3.5"
BORING DATE: 812112013
SAMPLING METHOD: SPT with split spoon
GEOSYNTEC REPRESENTATIVE: Weston Shin
NORTHING: 669636.42
DRILLING CONTRACTOR: Mid -Atlantic Drilling
EASTING: 1988199.42
DRILLER NAME: William M. Wiggins
GROUND ELEVATION: 195.92 ft msl
Elev.
(ft msp
Depth
(n)
Lithologic Description
rn
CL o
N-Value
o
Comments
a
W in
0 10 20 30 40 50
a
Very loose; dark gray; SILT; wet; ML (Ash)
woH 41.4'
-35
....
160
Medium dense; brown; silty fine to medium
4
X
8-8-10
1.0'
SAND; SM (Soil)
Environmental Sampling:
SS-PZ6(41-43)20130821.
-40
Loose; brown; silty fine to medium SAND; SM
:;
4-5-2-3
..
1.1'
goring terminated at 43 ft bgs.
Piezometer PZ-6 installed after completion of
155
boring about 15 ft from BH-10. Screened
4-3-3-5
1.5'
Loose; brown; silty fine to medium SAND; SM
A.
depth from 23.0 - 33.0 ft bgs.
22.7% MC, 0.1 % Gravel, 62.2% Sand, 37.7%
X.
FC.

Geosyntec",-,1300 South Mint Street
Suite 110
consultants Charlotte, NC 28203
BORING LOG
BOREHOLE ID: BH-11 (on the dike of the 1985 Pond)
GENERAL INFORMATION
TECHNICAL INFORMATION
PROJECT NAME:Cape Fear Steam Electric Plant
DRILLING METHOD: Rotary Wash
PROJECT NO: GC5369
RIG TYPE: CME 45B Truck Rig (Serial # 221904)
SITE LOCATION: Moncure, North Carolina
BOREHOLE DIA: 3.5"
BORING DATE: 812012013
SAMPLING METHOD: SPT with split spoon
GEOSYNTEC REPRESENTATIVE: Weston Shin
NORTHING: 669922.77
DRILLING CONTRACTOR: Mid -Atlantic Drilling
EASTING: 1988478.93
DRILLER NAME: William M. Wiggins
GROUND ELEVATION: 194.21 ft msl
Elev.
(ft msl)
Depth
(ft)
Lithologic Description
rn
CLo
N-Value
a)
o
Comments
a
U) in
0 10 20 30 40 50
a
Top 0.4 ft: Gray; roadbed material
Bottom 0.5 ft: Stiff; brown; lean CLAY with 6-6-6
sand; moist; abundant organic matter; CL
190 Stiff; reddish brown; lean CLAY with sand; 4-4-6
-5 moist; CL
Stiff; reddish brown; lean CLAY with sand; 4-5-8
moist; CL
185 Very stiff; brown/gray; lean CLAY with gravel; 3-6-9
_10 moist; CL
180 Very stiff; brown; lean CLAY with gravel; moist; 5-7-9
15 CL
0.9'
0 9' Begin using drilling fluid.
LL=35, PL=21, PI=14.
0.7'
1.0, ILL=36, PL=20, PI=16.
GWT 24 hours after completion of boring at
0.7'
13 ft bgs.
Top 0.9 ft: Very stiff; brown/gray; lean CLAY; 2 pre -blows before SPT.
175 moist; CL 5-10-10 1.a'
-20 Bottom 0.9 ft: Medium dense; brown; silty fine '
SAND; moist; SM
170 Very stiff; light gray/brown; sandy lean CLAY;re-_7-101.4' CL, 17.0% MC, 0.0% Gravel, 38.6% Sand,
-25 moist; CL 61.4% FC, LL=40, PL=20, P1=20.
165 Stiff; light gray/brown; sandy lean CLAY; moist; 4-4-7
-30 CL
1.3'
All rlanthc mfelmnrari to nrni inri ci irFnra Pace 1 of 2

Geosyntec",-,1300 South Mint Street
Suite 110
consultants Charlotte, NC 28203
BORING LOG
BOREHOLE ID: BH-11 (on the dike of the 1985 Pond)
GENERAL INFORMATION
TECHNICAL INFORMATION
PROJECT NAME:Cape Fear Steam Electric Plant
DRILLING METHOD: Rotary Wash
PROJECT NO: GC5369
RIG TYPE: CME 45B Truck Rig (Serial # 221904)
SITE LOCATION: Moncure, North Carolina
BOREHOLE DIA: 3.5"
BORING DATE: 812012013
SAMPLING METHOD: SPT with split spoon
GEOSYNTEC REPRESENTATIVE: Weston Shin
NORTHING: 669922.77
DRILLING CONTRACTOR: Mid -Atlantic Drilling
EASTING: 1988478.93
DRILLER NAME: William M. Wiggins
GROUND ELEVATION: 194.21 ft msl
Elev.
(ft msl)
Depth
(ft)
Lithologic Description
rn
CLo
N-Value
a)
o
Comments
a
U) in
0 10 20 30 40 50
a
160 Soft; brown/light gray; sandy lean CLAY; moist 2-1-3 1.7' CL, 22.2% MC, 0.0% Gravel, 39.4% Sand,
-35
to wet; CL 31.9% Silt, 28.7% Clay, LL=25, PL=16, PI=9.
155 Medium dense; brown; silty fine SAND; wet; :
40 SM
150 Firm; light gray; SILT; moist; ML 25.3% MC, NP.
45

Geosyntec",-,1300 South Mint Street
Suite 110
consultants Charlotte, NC 28203
BORING LOG
BOREHOLE ID: BH-12 (within "Pond in Pond')
GENERAL INFORMATION
TECHNICAL INFORMATION
PROJECT NAME:Cape Fear Steam Electric Plant
DRILLING METHOD: Rotary Wash
PROJECT NO: GC5369
RIG TYPE: CME 45B Truck Rig (Serial # 221904)
SITE LOCATION: Moncure, North Carolina
BOREHOLE DIA: 3.5"
BORING DATE: 812212013
SAMPLING METHOD: SPT with split spoon
GEOSYNTEC REPRESENTATIVE: Weston Shin
NORTHING: 670486.58
DRILLING CONTRACTOR: Mid -Atlantic Drilling
EASTING: 1986976.39
DRILLER NAME: William M. Wiggins
GROUND ELEVATION: 202.74 ft msl
Elev.
(ft msl)
Depth
(ft)
Lithologic Description
rn
CL o
N-Value
o
Comments
a
W in
0 10 20 30 40 50
a
Medium dense; black; fine to medium SAND
6-10-10
1.5'
200
with silt; moist; sandier at the bottom; SP-SM
(Ash)
Loose; black; fine to medium SAND with silt;
Begin using drilling fluid.
2-2-3
0.6'
5
wet; SP-SM (Ash)
Very loose; black; fine to medium SAND with
GWT at completion of boring at 6.5 ft bgs.
2-2-2
0.3'
195
silt; wet; SP-SM (Ash)
1.91
Shelby Tube (8.0 - 9.9 ft bgs).
41.4%/47.1 %/49.5%/41.4%/22.6% MC,
-10
DD=63.2/62.1/61.7/63.8/72.9 pcf.
Loose; black; fine to medium SAND with silt;
4-4-2
0.7'
wet; SP-SM (Ash)
190
Drive sampler 6 more inches after 18"
1-2-1
o.s'
- 15
Very loose; dark gray; sandy SILT; wet; ML
(Ash)
penetration to collect additional samples.
ML, 88.0% MC, 3.0% Gravel, 43.5% Sand,
42.9% Silt, 10.6% Clay, NP, SG=2.685.
185
Very loose; dark gray; sandy SILT; wet; ML
2-1-1
0.5'
-20
(Ash)
180
No sample recovery
None
-25
1.7
Shelby Tube (25.0 - 26.7 ft bgs). The weight
of the sample: 6 lb.
The bottom of the Shelby Tube sample was
disturbed during sample recovery.
175
46.6%/50.4%/43.2%/50.4% MC,
DD=73.1/69.9/79.3/71.1 pcf.
-30
Very soft; green/gray; SILT; moist; abundant
ash at top of sample; ML (Soil)
ML, 27.5% MC, 0.0% Gravel, 9.8% Sand,
PI=16 Silt, 34.4 /o Clay, LL=42, PL=26,
woH
0.9'
All rlanthc mfelmnrari to nrni inri ci irFnra Pane 1 of 2

Geosyntec",-,1300 South Mint Street
Suite 110
consultants Charlotte, NC 28203
BORING LOG
BOREHOLE ID: BH-12 (within "Pond in Pond')
GENERAL INFORMATION
TECHNICAL INFORMATION
PROJECT NAME:Cape Fear Steam Electric Plant
DRILLING METHOD: Rotary Wash
PROJECT NO: GC5369
RIG TYPE: CME 45B Truck Rig (Serial # 221904)
SITE LOCATION: Moncure, North Carolina
BOREHOLE DIA: 3.5"
BORING DATE: 812212013
SAMPLING METHOD: SPT with split spoon
GEOSYNTEC REPRESENTATIVE: Weston Shin
NORTHING: 670486.58
DRILLING CONTRACTOR: Mid -Atlantic Drilling
EASTING: 1986976.39
DRILLER NAME: William M. Wiggins
GROUND ELEVATION: 202.74 ft msl
Elev.
(ft msl)
Depth
(ft)
Lithologic Description
rn
CL o
N-Value
o
Comments
a
W in
0 10 20 30 40 50
a
170
Soft; green/gray; clayey SILT to silty CLAY;
1-1-2
1.6'
LL=34, PL=19, PI=15.
-35
moist; ML/CL
165
2.2'
Shelby Tube (38.0 - 40.0 ft bgs).
-40
Firm; brown; fat CLAY; moist to wet; CH
3-3-3
...
1 7
Switch to 2.5" diameter drill bit.
160
Top 0.5 ft: Dense; green/gray; GRAVEL with
silt; wet; GM
29-22-10
1.0'
-45
Bottom 0.5 ft: Hard; brown; lean CLAY; wet; CL
155
NX
Very loose; brown; clayey SAND; wet; SC
::;:
2-1-2
1.3'
SC, 24.7% MC, 0.0%Gravel, 53.3% Sand,
28.2% Silt, 18.5% Clay, LL=25, PL=19, PI=6.
-50
.".
Difficult drilling at 50 ft bgs, potentially caused
;•;
by large boulder.
150"
Medium dense; light pink (gray at the top);
.
9-8-10
0.8'
Difficult drilling.
-55
gravelly SAND; wet; SW
..
145
No sample recovery.'.
•"_
Boring terminated at 58.6 ft bgs.
50/1"
on
All rlanthc mfelmnrari to nrni inri ci irFnra Pnop 2 of 2