NC0001422_Laboratory COCs - S8Well #1-Envirochem-FR_20150805

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 494. DLS CERTIFICATE #37729
Duke Energy -Laboratory
Date of Report: Apr 20, 2015
1339 Hagers Ferry Road/Bld 7405 MG03A2
Customer PO #:
Huntersville NC 28078
Customer ID: 15030001
Attention: Peggy Kendall
Report #: 2015-02736
Project ID: Ash Pond Investigation
Lab ID Sample ID:
Collect Date/Time Matrix Sampled by
15-06243 Site: Ferg # 2485
3/5/2015
10:30 AM DW Ray Porter/Cindy McDonald
Test
Method
Results Date Analyzed
Bicarbonate as CaCO3
Bicarbonate as CaCO3
7.00 mg/L
03/19/2016
Carbonate as CaCO3
Carbonate as CaCO3
<1 mg/L
03/19/2015
Aluminum
EPA200.7
0.021 mg/L
03/11/2015
Baron
EPA200.7
0.02mg/L
03/11/2015
Calcium
EPA200.7
4.17mg/L
03/12/2015
Iron
EPA200.7
1.94mg/L
03/2012015
Magnesium
EPA200.7
0.48 mg/L
03/18/2015
Potassium
EPA200.7
0.54mg/L
03/18/2015
Sodium
EPA200.7
2.82mg/L
03/12/2015
Strontium
EPA200.7
0.016mg/L
03/11/2015
Zinc
EPA200.7
0.016mg/L
03111/2015
Antimony
EPA 200.8
<0.000099 mg/L
03/10/2015
Arsenic
EPA 200.8
0.002mg/L
03/10/2015
Barium
EPA 200.8
0.024mg/L
03110/2015
Beryllium
EPA 200.8
<0.000146 mg/L
03/10/2015
Cadmium
EPA 200.8
<0.0000827mg/L
03/10/2015
Chromium
EPA 200.8
<0.000 148 mg/L
03/10/2015
Cobalt
EPA 200.8
0.003 mg/L
03/11/2015
Copper
EPA 200.8
0.005mg/L
03/10/2015
Lead
EPA 200.8
0.000791 J mg/L
03/10/2015
J: Estimated. Between Method Detection
Limit and Reporting Limit.
Manganese
EPA 200.8
0.074mg/L
03/11/2015
Molybdenum
EPA 200.8
<0.0001 15 mg/L
03/10/2015
Nickel
EPA 200.8
< 0.100 mg/L
03/10/2015
Selenium
EPA 200.8
0.00016426 J mg/L
03/27/2015
J: Estimated. Between Method Detection Limit and Reporting Limit.
Thallium EPA 200.8 <0.0001 mg/L 03/10/2015
Report #:: 2016-02736 Page 1 of 2

Environmental Chemists, Inc.
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: Peggy Kendall
Report #: 2015-02736
Project ID: Ash Pond Investigation
Vanadium
EPA200.8
0.000271 J mg/L
03/11/2015
J: Estimated. Between Method Detection Limit and Reporting Limit.
Hexavalent Chromium
EPA218.7
<0.02 pg/L
03/09/2015
Mercury
EPA245.1
<0.0004mg/L
03/09/2015
Sulfate
EPA300.0
<15 mg/L
03/11/2015
Turbidity
SM 2130 B
0.6 NTU
03/06/2015
Field Turbidity 0.3 NTU.
Alkalinity
SM 2320B
7 mg/L
03/13/2015
Conductivity
SM2510B
54umho/cm
03/12/2015
Total Dissolved Solids (TDS)
SM 2540 C
30 mg/L
03/06/2015
Residue Suspended (TSS)
SM 2540 D
<2.5 mg/L
03/09/2015
Temperature
SM 2550 B
21.8 C
03/05/2015
Chloride
SM 4500 CI B
<5 mg/L
03/12/2015
pH
SM 4500 H B
5.90 units
03/05/2015
Dissolved Oxygen
SM45000G
5.80mg/L
03/05/2015
Comment: Turbidity, temperature,
pH and dissolved oxygen
measured in field at sample collection. All non -
detects for metals reported to MDL.
Reviewed by:
Report #:: 2015-02736 Page 2 of 2

Environmental Chemists, Inc.
renviroChem 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
QC for Duke Energy - 2015-02736
LCS
Parameter
True Value
m 1E
Result
m
%True Value
Limits
Alkalinity
12.5
13.0
104
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
99900
99.9
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
0.0037
92
90-110
Molybdenum
0.01
0.01
100
90-110
Nickel
0.0050
0.0048
96
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
50
100
90-110
Thallium
0.0050
0.0048
96
90-110
TDS
600
601
100
f 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
M91L
Result
M91L
%
Recovery
%
Difference
Limits %
Recovery
Limits %
Difference
Alkalinity
N/A
N/A
N/A
N/A
N/A
N/A
Aluminum
0.100
0.099/0.160
99/100
1
80-120
<_ 20
Antimony
0.025
0.028/0.028
112/112
0
80-120
<20
Arsenic
0.025
0.030/0.030
120/120
0
80-120
<20
Barium
0.025
0.025/0.025
100/100
0
80-120
<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
<20
Cadmium
0.025
0.028/0.028
112/112
0
80-120
<20
Calcium
1.0
0.98/0.99
98/99
1
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
:520
Cobalt
0.025
0.024/0.025
96/100
4
80-120
:5 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
0.085/0.93
85/93
9
80-120
<20
Lead
0.025
0.023/0.023
92/92
0
80-120
<_ 20
Magnesium
1.0
1.03/1.04
103/104
1
80-120
< 20
Manganese
0.025
0.024/0.025
96/100
4
80-120
<20
Mercury
0.0020
0.0022/0.0019
110/95
15
80-120
:5 20
Molybdenum
0.025
0.028/0.028
112/112
0
80-120
<_ 20
Nickel
0.0100
0.0099/0.0103
99/103
4
80-120
<20
Potassium
1.0
1.03/1.02
103/102
1
80-120
<20
TSS
N/A
N/A
N/A
N/A
N/A
N/A
Selenium
0.025
0.030/0.030
120/120
0
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
<_ 20

Sulfate
10.0
10.6/10.6
106/106
0
80-120
<_ 20
Thallium
0.0100
0.0102/0.0105
102/105
3
80-120
:520
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
520
Zinc
0.100
0.099/0.102
99/102
3
80-120
<20
DUPLICATE SAMPLES
Parameter
Results mg/L
% Difference
Limits
Alkalinity
4
4
0
< 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
467
462
1
< 10
Chromium
N/A
N/A
N/A
N/A
Cobalt
N/A
N/A
N/A
N/A
Conductivity
156
156
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
313.3
303.3
3
<_ 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
<15
<15
0
< 10
Thallium
N/A
N/A
N/A
N/A
TDS
403
404
0
< 10
Turbidity
0.37
0.37
0
< 10
Vanadium
N/A
N/A
N/A
N/A
Zinc
N/A
N/A
N/A
N/A
BLANKS
Parameter
Rmg�'
Limit, mg/L
Alkalinity
2
1
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
<0.0005
0.0005
Nickel
<0.00005
0,00005
Potassium
<0.5
0.5
TSS
<2.5
2.5

Selenium
<0.005
0.005
Sodium
<0.5
0.5
Strontium
<0.005
0.005
Sulfate
<2.5
2.5
Thallium
<0.00005
0.00005
TDS
<2.5
2.5
Turbidity
NSA
NSA
Vanadium
<0.0005
0.0005
Zinc
<0.005
0.005

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Facility Name:
Meter Id: 11277 Meter Id: 11280 Meter Id: 09996 - Meter Id: NY1-11373--
Analyst:
pH Analysis .... ._..^
cnn a a e. xnM
Cal. Time
Caibr//at��ion Buffer 4.0
Calibration Buffer 10.0
*Check Buffer 7.0
Comments -
(V 2-
10.6)
'—i_ 0
f,. q
Slope: gb /
*pH buffer checks are to be within+ 0.1 pH units of the standards true value
Facility/Sample location I
Time Sampled• I
Time Analyzed♦ I
Temp(°C)■ I
pHResult 1
0-1 Buffer Check value
Comment
qK
lD= 30
1630
♦If sample is measured in directly in the stream only time analyzed would be recomea.
)-Indicates a recommended drift check (Use Buffer 7.0) Should be within* 0.1 units of the buffer's true value)
■ Document the temperature of the sample at the time of analysis. Note: This temperature is not to be used for reporting on the monthly monitoring report
Calibmtkm drift check is recommended when performing analysis at multiple sampling lontioas,
*All pH results in pH units (i.e., s.u.).
- - - - . _Total Residual Chlorine (TR
exxn
Facility/Sample Location
Time Sampled
Time Analyzed
TRC Result
ug/L
Daily check standard Comment
obtained value uelL.
TRC check standard obtained true value 210 (acceptance range 199-220 ug/L) (Should recover withm i1(1% 01 the
check standard's obtained true value)
Dissolved Oxygen (DO)
Reference Method: SM 4500 O G, 206 Edition, —YSI DO 550 A Model—YSI PRO 20
Temperance
°C
Adjruted Au
Calibration♦
(mglL)
Saturatio¢
%
Calibration Facility/Sample Location
Time
DO reading *Time Sample Temperature
mg/L Analyzed/Time
Sampled
V30 al.�
LBased on appropriate altitude adjustment
-- - When perfdrmng analysis at multiple sampling locations, re-calibration(s) should be performed every four bohis:
*Analysis time add sampling time the same. (Ideally the sample should be analyzed bi:situ).........
- " Temperature Sensor Annual CbeckDate (550 A): IN PROCESS Tempentme Sensor Annual Check Date (PRO 20):IN PROCESS
Temnemnam - . . . . ._.. .-.. ..__..__. _-

Element One Inc.
6319-D Carolina Beach Rd,
el 1 Wilmington, NC 28412
Phone: [phone]
Fax: [phone]
[e-mail]
FINAL REPORT OF ANALYSES
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
15-06243
Sample Matrix DW
Sample Type
Date Received
03/06/2015
Date Sampled 03105/2015
Time Sampled
1030 Time Received
0810
Delivered by Client
Sampler
Received by
KMS
E1 Sample #
24189-4
Parameter
Result Unit Dilution
DL Method
Date
Chromium VI
< 0.02 Ng/L
1 0.02 EPA 218.7
03/09/2015
i
Ken Sm th, Laboratory Director
24189 Envirochem Cr6+Report Compiled by��
NC Certifications: DW 37788 and DWQ DENR 604

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