NC0001422_Well Water Lab Results_20150805 (4)

Environmental Chemists, Inc.
envirochem 6602 Windmill Way • Wilmington, NC 28405
[phone] (Lab) • [phone] (Fax)
$M
710 Bowsertown Road • Manteo, NC 27954
[phone]
ANALYTICAL & CONSULTING
CHEMISTS NCDENR: DWQ CERTIFICATE #94. DLS CERTIFICATE #37729
Duke Energy -Laboratory
Date of Report: Apr 20, 2015
1339 Hagers Ferry Road/Bid 7405 MG03A2
Customer PO #:
Huntersville NC 28078
Customer ID: 15030001
Attention:
Report #: 2015-02482
Project ID: Ash Pond Investigation
Lab ID Sample ID: Duke Energy -Ash Pond Collect Date/Time Matrix Sampled by
Investigation
15-05546 Site: Ezzell Trucking/Sutton Lake 3/2/2015
2:45 PM DW jay baker/envirochem
Road
Test Method
Results Date Analyzed
Bicarbonate as CaCO3 Bicarbonate as CaCO3
3.00 mg/L
03/19/2015
Carbonate as CaCO3 Carbonate as CaCO3
<1 mg/L
03119/2015
Aluminum EPA 200.7
0.042 mg/L
03/11/2015
Boron EPA 200.7
0.60 mg/L
03/11/2015
Calcium EPA 200.7
21.4 mg/L
03/05/2015
Iron EPA 200.7
0.189 mg/L
03/11/2015
Magnesium EPA 200.7
3.43 mg/L
03/05/2015
Molybdenum EPA 200.7
<0.000744mg/L
03/24/2015
Nickel EPA 200.7
0.00221Jmg/L
03/11/2015
J: Estimated. Between Method Detection Limit and Reporting Limit.
Potassium EPA 200.7
4.11 mg/L
03/05/2015
Sodium EPA 200.7
20.2 mg/L
03/05/2015
Strontium EPA 200.7
0.302 mg/L
03/11/2015
Zinc EPA 200.7
0.00769J mg/L
03/11/2015
J: Estimated. Between Method Detection Limit and Reporting Limit.
Antimony EPA 200.8
<0.0000989mg/L
03/11/2015
Arsenic EPA 200.8
0.000446 J mg/L
03/11/2015
J: Estimated. Between Method Detection Limit and Reporting Limit.
Barium EPA 200.8
< 0.400 mg/L
03/17/2015
Beryllium EPA 200.8
<0.000146mg/L
03/10/2015
Cadmium EPA 200.8
<0.0000967mg/L
03/11/2015
Chromium EPA 200.8
0.000254 J mg/L
03/10/2015
J: Estimated. Between Method Detection Limit and Reporting Limit.
Cobalt EPA 200.8
0.002 mg/L
03/11/2015
Copper EPA 200.8
0.001 mg/L
03/10/2015
Lead EPA 200.8
0.000661 J mg/L
03/11/2015
J: Estimated. Between Method Detection Limit and Reporting Limit.
Report #:: 2015-02482 Page 1 of 2

Environmental Chemists, Inc.
envirochem 6602 Windmill Way • Wilmington, NC 28405
[phone] (Lab) • [phone] (Fax)
SM
710 Bowsertown Road • Manteo, NC 27954
[phone]
ANALYTICAL & CONSULTING
CHEMISTS NCDENR: DWQ CERTIFICATE #94. DLS CERTIFICATE #37729
Duke Energy -Laboratory
Date of Report: Apr 20, 2015
1339 Hagers Ferry Road/Bid 7405
MG03A2
Customer PO #:
Huntersville NC 28078
Customer ID: 15030001
Attention:
Report #: 2015-02482
Project ID: Ash Pond Investigation
Manganese
EPA 200.8
0.274 mg/L
03/11/2015
Selenium
EPA 200.8
< 0.010 mg/L
03/17/2015
Thallium
EPA 200.8
<0.0000878mg/L
03/11/2015
Vanadium
EPA 200.8
0.000197 J mg/L
03/11/2015
J: Estimated. Between Method Detection Limit and Reporting Limit.
Hexavalent Chromium
EPA 218.7
<0.02 pg/L
03/09/2015
Mercury
EPA 245.1
<0.0004 mg/L
03/03/2015
Sulfate
EPA 300.0
76mg/L
03/04/2015
Turbidity
SM 2130 B
0.5 NTU
03/0312015
Field Turbidity 1.5 NTU.
Alkalinity
SM 2320B
3mg/L
03109/2015
Conductivity
SM2510B
291 umho/cm
03/05/2015
Total Dissolved Solids (TDS)
SM 2540 C
185 mg/L
03/03/2015
Residue Suspended (TSS)
SM2540D
<3.1 mg/L
03/03/2015
Temperature
SM 2550 B
20.4 C
03/02/2015
Chloride
SM 4500 CI B
20 mg/L
03/04/2015
pH
SM 4500 H B
6.38 units
03/02/2015
Dissolved Oxygen
SM 450006
5.09 mg/L
03/02/2015
Comment: Turbidity, temperature,
pH and dissolved oxygen measured in field at sample collection. All non -
detects for metals reported to MDL.
Reviewed by
Report #:: 2015-02482 Page 2 of 2

Environmental Chemists, Inc.
envirochem 6602 Windmill Way • Wilmington, NC 25405
[phone] (Lab) • [phone] (Fax)
SM
710 Bowsertown Road • Manteo, NC 27954
[phone]
ANALYTICAL & CONSULTING
CHEMISTS NCDENR: DWQ CERTIFICATE #94. DLS CERTIFICATE #37729
QC for Duke Energy - 2015-02482
LCS
Parameter
True Value
m 2
Result
m
%True Value
Limits
Alkalinity
50
54
108
90-110
Aluminum
0.05
0.05
100
90-110
Antimony
0.01
0.01
100
90-110
Arsenic
0.01
0.01
100
90-110
Barium
0.01
0.01
100
90-110
Beryllium
0.01
0.01
100
90-110
Boron
0.05
0.05
100
90-110
Cadmium
0.01
0.01
100
90-110
Calcium
0.5
0.5
100
90-110
Chloride
50
48
96
90-110
Chromium
0.01
0.01
100
90-110
Cobalt
0.01
0.01
100
90-110
Conductivity
10000
99800
99.8
90-110
Copper
0.01
0.01
100
90-110
Iron
0.05
0.05
100
90-110
Lead
0.01
0.01
100
90-110
Magnesium
0.5
0.5
100
90-110
Manganese
0.01
0.01
100
90-110
Mercury
0.0040
0.0038
95
90-110
Molybdenum
0.05
0.05
100
90-110
Nickel
0.05
0.05
100
90-110
Potassium
0.5
0.5
100
90-110
TSS
248.8
274.4
110
90-110
Selenium
0.01
0.01
100
90-110
Sodium
0.5
0.5
100
90-110
Strontium
0.05
0.05
100
90-110
Sulfate
50
49
98
90-110
Thallium
0.01
0.01
100
90-110
TDs
600
600
100
±10
Turbidity
N/A
N/A
N/A
N/A

Vanadium
0.01
0.01
100
90-110
Zinc
0.05
0.05
100
90-110
MS/MSD
Parameter
True Value
mg/L
Result
mg/L
%
Recovery
%
Difference
Limits %
Recovery
Limits %
Difference
Alkalinity
N/A
N/A
N/A
N/A
N/A
N/A
Aluminum
0.100
0.099/0.100
99/100
1
80-120
<_20
Antimony
0.025
0.027/0.026
108/104
4
80-120
:520
Arsenic
0.025
0.029/0.029
116/116
0
80-120
<20
Barium
0.025
0.025/0.026
100/104
4
80-120
:5 20
Beryllium
0.025
0.029/0.029
116/116
0
80-120
<20
Boron
0.100
0.097/0.095
97/95
2
80-120
:5 20
Cadmium
0.025
0.027/0.026
108/104
4
80-120
<20
Calcium
1.0
1.0/1.0
100/100
0
80-120
<_ 20
Chloride
N/A
N/A
N/A
N/A
N/A
N/A
Chromium
0.025
0.024/0.025
96/100
4
80-120
<_ 20
Cobalt
0.025
0.024/0.023
96/92
4
80-120
<20
Conductivity
N/A
N/A
N/A
N/A
N/A
N/A
Copper
0.025
0.027/0.028
108/112
4
80-120
<20
Iron
0.100
0.098/0.100
98/100
2
80-120
:5 20
Lead
0.025
0.024/0.023
96/92
4
80-120
<20
Magnesium
1.0
1.0/1.0
100/100
0
80-120
<_ 20
Manganese
0.025
0.023/0.023
92/92
0
80-120
:5 20
Mercury
0.0020
0.0020/0.0018
100/90
10
80-120
<20
Molybdenum
0.100
0.100/0.099
100/99
1
80-120
<20
Nickel
0.100
0.098/0.099
98/99
1
80-120
:5 20
Potassium
1.0
1.0/1.0
100/100
0
80-120
<20
TSS
N/A
N/A
N/A
N/A
N/A
N/A
Selenium
0.025
0.029/0.026
116/104
11
80-120
<_ 20
Sodium
1.0
1.0/1.0
100/100
0
80-120
<20
Strontium
0.100
0.098/0.105
98/105
7
80-120
:5 20

Sulfate
10.0
10.5/10.9
105/109
4
80-120
5-20
Thallium
0.025
0.024/0.024
96/96
0
80-120
5 20
TDS
N/A
N/A
N/A
N/A
N/A
N/A
Turbidity
N/A
N/A
N/A
N/A
N/A
N/A
Vanadium
0.025
0.024/0.025
96/100
4
80-120
<20
Zinc
0.100
0.099/0.102
99/102
3
80-120
<20
DUPLICATE SAMPLES
Parameter
Results mg/L
% Difference
Limits
Alkalinity
176
177
1
< 10
Aluminum
N/A
N/A
N/A
N/A
Antimony
N/A
N/A
N/A
N/A
Arsenic
N/A
N/A
N/A
N/A
Barium
N/A
N/A
N/A
N/A
Beryllium
N/A
N/A
N/A
N/A
Boron
N/A
N/A
N/A
N/A
Cadmium
N/A
N/A
N/A
N/A
Calcium
N/A
N/A
N/A
N/A
Chloride
6
6
0
<10
Chromium
N/A
N/A
N/A
N/A
Cobalt
N/A
N/A
N/A
N/A
Conductivity
2145
2145
0
<10
Copper
N/A
N/A
N/A
N/A
Iron
N/A
N/A
N/A
N/A
Lead
N/A
N/A
N/A
N/A
Magnesium
N/A
N/A
N/A
N/A
Manganese
N/A
N/A
N/A
N/A
Mercury
N/A
N/A
N/A
N/A
Molybdenum
N/A
N/A
N/A
N/A
Nickel
N/A
N/A
N/A
N/A
Potassium
N/A
N/A
N/A
N/A
TSS
24.7
23.3
6
< 10
Selenium
N/A
N/A
N/A
N/A
Sodium
N/A
N/A
N/A
N/A

Strontium
N/A
N/A
N/A
N/A
Sulfate
19
20
5
510
Thallium
N/A
N/A
N/A
N/A
TDS
1460
1483
2
<10
Turbidity
0.39
0.39
0
< 10
Vanadium
N/A
N/A
N/A
N/A
Zinc
N/A
N/A
N/A
N/A
BLANKS
Parameter
Rmg�r
Limit, mg/L
Alkalinity
<0.5
0.5
Aluminum
<0.005
0.005
Antimony
<0.0005
0.0005
Arsenic
<0.0005
0.0005
Barium
<0.0005
0.0005
Beryllium
<0.0005
0.0005
Boron
<0.005
0.005
Cadmium
<0.0005
0.0005
Calcium
<0.5
0.5
Chloride
<2.5
2.5
Chromium
<0.0005
0.0005
Cobalt
<0.0005
0.0005
Conductivity
<5
5
Copper
<0.0005
0.0005
Iron
<0.005
0.005
Lead
<0.0005
0.0005
Magnesium
<0.5
0.5
Manganese
<0.0005
0.0005
Mercury
<0.0002
0.0002
Molybdenum
<0.005
0.005
Nickel
<0.005
0.005
Potassium
<0.5
0.5
TSS
<2.5
2.5

Selenium
<0.0005
0.0005
Sodium
<0.5
0.5
Strontium
<0.005
0.005
Sulfate
<2.5
2.5
Tballium
<0.0005
0.0005
TDS
<2.5
2.5
Turbidity
N/A
N/A
Vanadium
<0.0005
0.0005
Zinc
<0.005
0.005

el,
elementOne
FINAL REPORT OF ANALYSES
Element One Inc.
6319-D Carolina Beach Rd.
Wilmington, NC 28412
Phone: [phone]
Fax: [phone]
[e-mail]
Ray Porter
March 09, 2015
Environmental Chemists, Inc.
Client Project Name:
66002 Windmill Way
Client Project Number:
Wilmington, NC 28405
E1 Project Number e24189
Sample #
Sample ID
15-05546
Sample Matrix DW
Sample Type
Date Received
03/06/2015
Date Sampled 03/02/2015
Time Sampled
1445 Time Received
0810
Delivered by Client
Sampler
Received by
KMS
E1 Sample #
24189-1
Parameter
Result Unit Dilution
DL Method
Date
Chromium VI
< 0.02 pg/L
1 0.02 EPA 218.7
03/09/2015
KeA Smith, Laboratory Director
24189 Envirochem Cr6+Report Compiled by—L�3
NC Certifications: DW 37788 and DWQ DENR 604

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