NC0000396_J15050806F_Speciation_20150823

+ DUKE Analytical Laboratory Page 1of35
ENERGY
Order Number:
Project Name:
Customer Name(s):
Customer Address:
Lab Contact:
Report Authorized By:
(Signature)
Program Comments:
13339 Hagers Ferry Road
Huntersville, NC 28078-7929
McGuire Nuclear Complex - MG03A2
Phone: [phone] Fax: [phone]
Order Summary Report
J15050806
ASHEVILLE - AB GW ASSESSMENT SPECIATION
Todd Plating, Kathy Webb, John Toepfer, Tim Hunsucker
200 CP and L Drive
Arden, NC 28704
Peggy Kendall
Phone:
�j [� e peggy.kendall@duke-
/Lyy �. 611I.arw.L�i energy.com
a'i 2015.06.2308:44:17-04'0x' Date:
Peggy Kendall
Please contact the Program Manager (Peggy Kendall) with any questions regarding this report.
Data Flags & Calculations:
6/23/2015
Any analytical tests or individual analytes within a test flagged with a Qualifier indicate a deviation from the method quality
system or quality control requirement. The qualifier description is found at the end of the Certificate of Analysis (sample results)
under the qualifiers heading. All results are reported on a dry weight basis unless otherwise noted. Subcontracted data
included on the Duke Certificate of Analysis is to be used as information only. Certified vendor results can be found in the
subcontracted lab final report. Duke Energy Analytical Laboratory subcontracts analyses to other vendor laboratories that have
been qualified by Duke Energy to perform these analyses except where noted.
Data Package:
This data package includes analytical results that are applicable only to the samples described in this narrative. An estimation of
the uncertainty of measurement for the results in the report is available upon request. This report shall not be reproduced, except
in full, without the written consent of the Analytical Laboratory. Please contact the Analytical laboratory with any questions. The
order of individual sections within this report is as follows:
Job Summary Report, Sample Identification, Technical Validation of Data Package, Analytical Laboratory Certificate of Analysis,
Analytical Laboratory QC Reports, Sub -contracted Laboratory Results, Customer Specific Data Sheets, Reports &
Documentation, Customer Database Entries, Test Case Narratives, Chain of Custody (COC)
Certification:
The Analytical Laboratory holds the following State Certifications : North Carolina (DENR) Certificate #248, South Carolina
(DHEC) Laboratory ID # 99005. Contact the Analytical Laboratory for definitive information about the certification status of
specific methods.

Sample ID's & Descriptions:
Collection
Sample ID Plant/Station Date and Time
Collected By
Sample Description
2015016687
ASHEVILLE
27 -May -15 9:45 AM
Synterra
ABMW-05BR
2015016688
ASHEVILLE
27 -May -15 9:41 AM
Synterra
ABMW-02
2015016689
ASHEVILLE
27 -May -15
Synterra
ABMW-07S
2015016690
ASHEVILLE
27 -May -15 12:50 PM
Synterra
MW -08S
2015016691
ASHEVILLE
27 -May -15 2:12 PM
Synterra
MW -05D
2015016692
ASHEVILLE
27 -May -15 11:40 AM
Synterra
ABMW-02S
2015016693
ASHEVILLE
27 -May -15 2:44 PM
Synterra
GW -1 BR
7 Total Samples
Page 2 of 35

Technical Validation Review
Checklist:
COC and .pdf report are in agreement with sample totals Yes No
and analyses (compliance programs and procedures).
All Results are less than the laboratory reporting limits. ❑ Yes F./] No
All laboratory QA/QC requirements are acceptable.❑ Yes ❑ No
Report Sections Included:
U Job Summary Report
❑ Sample Identification
n Technical Validation of Data Package
❑ Analytical Laboratory Certificate of Analysis
❑ Analytical Laboratory QC Report
Page 3 of 35
Sub -contracted Laboratory Results
❑ Customer Specific Data Sheets, Reports, & Documentation
❑ Customer Database Entries
66 Chain of Custody
[I/0] Electronic Data Deliverable (EDD) Sent Separately
Reviewed By: Peggy Kendall Date: 6/23/2015

Certificate of Laboratory Analysis Page 4 of 35
This report shall not be reproduced, except in full.
Order # J15050806
Site: ABMW-05BR
Collection Date: 27 -May -15 9:45 AM
Analyte Result Units Qualifiers RDL DF
Speciation of an Element - (Analysis Performed by Brooks Rand Labs LLC)
Vendor Parameter Complete
Sample #: 2015016687
Matrix: GW—WW
Method Analysis Date/Time Analyst
Vendor Method V_BRAND

Certificate of Laboratory Analysis Page 5 of 35
This report shall not be reproduced, except in full.
Order # J15050806
Site: ABMW-02
Collection Date: 27 -May -15 9:41 AM
Analyte Result Units Qualifiers RDL DF
Speciation of an Element - (Analysis Performed by Brooks Rand Labs LLC)
Vendor Parameter Complete
Sample #: 2015016688
Matrix: GW—WW
Method Analysis Date/Time Analyst
Vendor Method V_BRAND

Certificate of Laboratory Analysis Page 6 of 35
This report shall not be reproduced, except in full.
Order # J15050806
Site: ABMW-07S
Collection Date: 27 -May -15
Analyte Result Units Qualifiers RDL DF
Speciation of an Element - (Analysis Performed by Brooks Rand Labs LLC)
Vendor Parameter Complete
Sample #: 2015016689
Matrix: GW—WW
Method Analysis Date/Time Analyst
Vendor Method V_BRAND

Certificate of Laboratory Analysis
This report shall not be reproduced, except in full.
Order # J15050806
Site: MW -08S
Collection Date: 27 -May -15 12:50 PM
Analyte Result Units Qualifiers RDL DF
Speciation of an Element - (Analysis Performed by Brooks Rand Labs LLC)
Vendor Parameter Complete
Sample #: 2015016690
Matrix: GW—WW
Page 7 of 35
Method Analysis Date/Time Analyst
Vendor Method V_BRAND

Certificate of Laboratory Analysis Page 8 of 35
This report shall not be reproduced, except in full.
Order # J15050806
Site: MW -05D
Collection Date: 27 -May -15 2:12 PM
Analyte Result Units Qualifiers RDL DF
Speciation of an Element - (Analysis Performed by Brooks Rand Labs LLC)
Vendor Parameter Complete
Sample #: 2015016691
Matrix: GW—WW
Method Analysis Date/Time Analyst
Vendor Method V_BRAND

Certificate of Laboratory Analysis
This report shall not be reproduced, except in full.
Order # J15050806
Site: ABMW-02S
Collection Date: 27 -May -15 11:40 AM
Analyte Result Units Qualifiers RDL DF
Speciation of an Element - (Analysis Performed by Brooks Rand Labs LLC)
Vendor Parameter Complete
Sample #: 2015016692
Matrix: GW—WW
Page 9 of 35
Method Analysis Date/Time Analyst
Vendor Method V_BRAND

Certificate of Laboratory Analysis Page 10 of 35
This report shall not be reproduced, except in full.
Order # J15050806
Site: GW -1 BR
Collection Date: 27 -May -15 2:44 PM
Analyte Result Units Qualifiers RDL DF
Speciation of an Element - (Analysis Performed by Brooks Rand Labs LLC)
Vendor Parameter Complete
Sample #: 2015016693
Matrix: GW—WW
Method Analysis Date/Time Analyst
Vendor Method V_BRAND

Page 11 of 35
BRO�©KS
RAND
LABS
MEANINGFUL METALS DATA
June 16, 2015
Peggy Kendall
Duke Energy Analytical Laboratory
Mail Code MGO3A2 (Building 7405)
13339 Hagers Ferry Rd.
Huntersville, NC 28078
980-875-5848
Project: Duke Energy Asheville Plant (LIMS# J15050806)
Mr. Perkins,
Attached is the report associated with seven (7) aqueous samples submitted for hexavalent
chromium, selenium speciation, arsenic speciation, iron speciation, and manganese speciation
analyses on May 27, 2015. The samples were received in a sealed cooler at 0.0°C on May 28,
2015. Hexavalent chromium analysis was performed by ion chromatography inductively
coupled plasma dynamic reaction cell mass spectrometry (IC -ICP -DRC -MS). Selenium
speciation and arsenic speciation analyses were performed via ion chromatography inductively
coupled plasma collision reaction cell mass spectrometry (IC -ICP -CRC -MS). All samples
requesting iron speciation analysis were analyzed by spectrophotometry. Mn(II) analysis was
performed via IC -ICP -CRC -MS. Mn(IV) analysis were performed via digestion and subsequent
analysis by inductively coupled plasma triple quadrupole mass spectrometry (ICP-QQQ-MS).
Any issues associated with the analyses are addressed in the following report.
If you have any questions, please feel free to contact me at your convenience.
Sincerely,
it L7�--
Jeremy Maute
Project Manager
Brooks Rand Labs, LLC
3958 6th Ave NW • Seattle, WA 98107 • T: 206-632-6206 • F: 206-632-6017 • www.brooksrand.com • [e-mail]

Brooks Rand Labs, LLC
Report prepared for:
Peggy Kendall
Duke Energy Analytical Laboratory
Mail Code MGO3A2 (Building 7405)
13339 Hagers Ferry Rd.
Huntersville, NC 28078
Project: Duke Energy Asheville Plant (LIMS# J15050806)
June 16, 2015
1. Sample Reception
Page 12 of 35
Seven (7) aqueous samples were submitted for hexavalent chromium, selenium speciation,
arsenic speciation, iron speciation, and manganese speciation analyses on May 27, 2015. All
samples were received in acceptable condition on May 28, 2015 in a sealed container at
0.0°C.
All samples were received in a laminar flow clean hood, void of trace metals contamination
and ultra -violet radiation, and were designated discrete sample identifiers. An aliquot of
each sample submitted for hexavalent chromium analysis was decanted into a clean
polypropylene tube. All hexavalent chromium sample fractions were stored in a secure
refrigerator maintained at a temperature of 4°C, until the analyses could be performed.
An aliquot of each sample requiring selenium speciation evaluation was filtered (0.45µm)
and each filtrate was stored in a secure, monitored cryofreezer (maintained at a temperature
of -80°C) until selenium speciation analysis could be performed.
An aliquot of each sample submitted for arsenic speciation analysis was filtered (0.45µm)
into a polypropylene centrifuge tube; all filtrates and original bottles were then stored in a
secure, monitored refrigerator (maintained at a temperature of <6°C) until the analyses could
be performed.
The sample fractions requesting iron speciation analysis were stored in a secure, monitored
refrigerator (maintained at a temperature of <6°C) until the analyses could be performed.
An aliquot of each filtered sample submitted for manganese speciation analysis was decanted
into a polypropylene centrifuge tube for Mn(II) analysis. These fractions were stored in a
secure, monitored refrigerator (maintained at a temperature of <6°C) until the analyses could
be performed. Subsequently, the original bottles (filtered and unfiltered fractions) intended
for Mn speciation were preserved to pH < 2 with concentrated HNO3 and then stored in a

Page 13 of 35
secure polyethylene container, known to be free from trace metals contamination, until the
digestion could be performed.
2. Sample Preparation
All sample preparation is performed in laminar flow clean hoods known to be free from trace
metals contamination. All applied water for dilutions and sample preservatives are
monitored for contamination to account for any biases associated with the sample results.
Hexavalent Chromium Analysis by IC -ICP -DRC -MS Prior to analysis, an aliquot of each
sample was filtered with a syringe filter (0.45µm) and injected directly into a sealed
autosampler vial. No further sample preparation was performed as any chemical alteration of
a sample may shift the equilibrium of the system, resulting in changes in speciation ratios.
Selenium Speciation Analysis by IC -ICP -CRC -MS Prior to analysis, an aliquot of each
sample was filtered with a syringe filter (0.45µm) and injected directly into a sealed
autosampler vial. No further sample preparation was performed as any chemical alteration of
a sample may shift the equilibrium of the system, resulting in changes in speciation ratios.
Arsenic Speciation Analysis by IC -ICP -CRC -MS An aliquot of each sample was filtered
directly into a sealed autosampler vial. No further sample preparation was performed as a
buffered EDTA solution was provided by Brooks Rand Labs for field -preservation of the
submitted samples.
Iron Speciation Analysis by Spectrophotometry No sample preparation was required as a de-
gassed HCL solution was provided by Brooks Rand Labs for field -preservation of the
submitted samples.
Manganese Mn(II) Analysis by IC -ICP -CRC -MS An aliquot of each sample was filtered
(0.45µm) directly into an autosampler vial for Mn(II) analysis. No additional sample
preparation was performed as any chemical alteration of the samples may shift the
equilibrium of the system resulting in changes in speciation ratios.
Manganese Mn(IV Analysis by ICP-O_QO-MS Each filtered and unfiltered sample submitted
for Mn speciation analysis was preserved with 1% HNO3 (v/v) upon sample receipt. Each
sample fraction was then further digested on a hotblock apparatus with aliquots of 50%
HNO3 (v/v) and 50% HCl (v/v), in accordance with the digestion procedure specified in EPA
Method 200.8. All resulting sample digests were analyzed for total manganese via
inductively coupled plasma triple quadrupole mass spectrometry (ICP-QQQ-MS).
3. Sample Analysis
All sample analysis is preceded by a minimum of a five -point calibration curve spanning the
entire concentration range of interest. Calibration curves are performed at the beginning of

Page 14 of 35
each analytical day. All calibration curves, associated with each species of interest, are
standardized by linear regression resulting in a response factor. All sample results are
instrument blank corrected to account for any operational biases associated with the
analytical platform.
Prior to sample analysis, all calibration curves are verified using second source standards
which are identified as initial calibration verification standards (ICV).
Ongoing instrument performance is identified by the analysis of continuing calibration
verification standards (CCV) and continuing calibration blanks (CCB) at a minimum interval
of every ten analytical runs.
Hexavalent Chromium Analysis by IC -ICP -DRC -MS Each sample for hexavalent chromium
analysis was analyzed by ion chromatography inductively coupled plasma dynamic reaction
cell mass spectrometry (IC -ICP -DRC -MS) on June 5, 2015. An aliquot of each sample is
injected onto an anion exchange column and mobilized by a basic (pH > 7) gradient. The
eluting chromium species are then introduced into a radio frequency (RF) plasma where
energy -transfer processes cause desolvation, atomization, and ionization. The ions are
extracted from the plasma through a differentially -pumped vacuum interface and travel
through a pressurized chamber (DRC) containing a reaction gas which preferentially reacts
with interfering ions of the same target mass to charge ratios (m/z). A solid-state detector
detects ions transmitted through the mass analyzer and the resulting current is processed by a
data handling system.
Retention times for each eluting species are compared to known standards for species
identification.
Selenium Speciation Analysis by IC -ICP -CRC -MS Each sample for selenium speciation
analysis was analyzed by ion chromatography inductively coupled plasma collision reaction
cell mass spectrometry (IC -ICP -CRC -MS) on May 29, 2015. An aliquot of each sample is
injected onto an anion exchange column and mobilized by a basic (pH > 7) gradient. The
eluting selenium species are then introduced into a radio frequency (RF) plasma where
energy -transfer processes cause desolvation, atomization, and ionization. The ions are
extracted from the plasma through a differentially -pumped vacuum interface and travel
through a pressurized chamber (CRC) containing a reaction gas which preferentially reacts
with interfering ions of the same target mass to charge ratios (m/z). A solid-state detector
detects ions transmitted through the mass analyzer and the resulting current is processed by a
data handling system.
Retention times for each eluting species are compared to known standards for species
identification.
Arsenic Speciation Analysis by IC -ICP -CRC -MS Each sample was analyzed for arsenic
speciation via ion chromatography inductively coupled plasma collision reaction cell mass
spectrometry (IC -ICP -CRC -MS) on June 3-4, 2015. Aliquots of each sample are injected
onto an anion exchange column and eluted isocratically. The eluting arsenic species are then

Page 15 of 35
introduced into a radio frequency (RF) plasma where energy -transfer processes cause
desolvation, atomization, and ionization. The ions are extracted from the plasma through a
differentially -pumped vacuum interface and travel through a pressurized chamber (CRC)
containing a specific collision gas. Polyatomic interferences, due to their inherently larger
size, collide more frequently with the collision gas and therefore may be separated from the
analyte of interest via kinetic energy discrimination (KED). A solid-state detector detects
ions transmitted through the mass analyzer on the basis of their mass -to -charge ratio (m/z),
and the resulting current is processed by a data handling system.
Retention times for each eluting species are compared to known standards for species
identification.
Iron Speciation Analysis by Spectrophotometry All samples submitted for Fe speciation
quantification were analyzed on May 28, 2015, and in accordance with the scientifically
accepted method outlined by:
Stookey, L.L., (1970). "Ferrozine - A new spectrophotometric reagent for iron",
Anal.Chem., 42:779-81.
Manganese Mn(LI) Analysis by IC -ICP -CRC -MS All samples for Mn(II) analysis were
analyzed by ion chromatography inductively coupled plasma collision reaction cell mass
spectrometry (IC -ICP -CRC -MS) on June 4, 2015. Aliquots of each sample are injected onto
an anion exchange column and mobilized by an acidic (pH < 7) gradient. An ion pairing
agent provides a dynamic ion exchange mechanism for the cationic manganese species on the
chromatographic column. The differences in the affinity of manganese species towards the
ion pair agent and the column results in separation. The eluting selenium species are then
introduced into a radio frequency (RF) plasma where energy -transfer processes cause
desolvation, atomization, and ionization. The ions are extracted from the plasma through a
differentially -pumped vacuum interface and travel through a pressurized chamber (CRC)
containing a reaction gas which preferentially reacts with interfering ions of the same target
mass to charge ratios (m/z). A solid-state detector detects ions transmitted through the mass
analyzer and the resulting current is processed by a data handling system.
Retention times for each eluting species are compared to known standards for species
identification.
Manganese Mn(IV) Analysis by ICP-QQQ-MS All samples submitted for Mn speciation
quantitation were analyzed by inductively coupled plasma triple quadrupole mass
spectrometry (ICP-QQQ-MS) on June 5, 2015. Aliquots of each sample digest are
introduced into a radio frequency (RF) plasma where energy -transfer processes cause
desolvation, atomization, and ionization. The ions are extracted from the plasma through a
differentially -pumped vacuum interface and travel through an initial quadrupole (Q1), which
filters the target masses prior to their entrance into a second chamber. The second chamber
contains specific reactive gasses or collision gasses that preferentially react either with
interfering ions of the same target mass to charge ratios (m/z) or with the target analyte,

Page 16 of 35
producing an entirely different mass to charge ratio (m/z) which can then be differentiated
from the initial interferences. The ions then exit the collision/reaction cell into and additional
quadrupole (Q2). A solid-state detector detects ions transmitted through the mass analyzer,
on the basis of their mass -to -charge ratio (m/z), and the resulting current is processed by a
data handling system.
4. Analytical Issues
No significant analytical issues were encountered. With the exceptions noted below, all
quality control parameters associated with the samples were within acceptance limits.
The preparation blanks associated with the iron speciation samples were not analyzed. Two
client samples (ABMW-07S and MW -08S) yielded non -detect results for total iron,
demonstrating the absence of significant iron contamination due to the containers, the
preservative employed, and the equipment used to collect the samples.
The client sample, identified as ABMW-05BR, was analyzed as the quality control sample
for iron speciation. The total iron matrix spike and matrix spike duplicate (MS/MSD)
recoveries were below the lower control limit of 75% (74.2% and 69.8%, respectively).
Fe(III) results are calculated as the difference between total recoverable Fe and Fe(II).
Accordingly, all Fe(III) results should be considered estimated (biased low).
Several Mn(II) results were greater than the value of the associated high calibration standard.
A linear range verification standard was analyzed at 2000 µg/L. The Mn(II) recovery for the
linear range verification standard was acceptable, at 100.1%, demonstrating that the linear
range of the analytical platform extended to 2000 µg/L for Mn(II). All reported Mn(II)
results were less than 2000 µg/L with the dilutions at the instrument factored in, and thus
were within the linear range demonstrated by the linear range verification standard. No
corrective actions were necessary.
For the Mn(II) analytical run, a client sample from another reception date (batch QC) was
analyzed as the quality control sample. The matrix spike sample and matrix spike duplicate
sample (MS/MSD) spike recoveries for Mn(II) were below the lower control limit of 75%, at
-494.8% and -541.0%, respectively. The native Mn(II) concentration in the quality control
sample was significantly greater than the spiking level. Acceptable spike recoveries are often
not realized when the ambient level analyte concentration is greater than the spiking level.
No qualification of data was necessary.
Mn(IV) is quantified by analyzing the water samples for total Mn and dissolved Mn. Mn(IV)
is operationally defined as the difference between the filtered and unfiltered total Mn
concentrations, since it is thermodynamically favored to be in the form of a precipitate.
For the Mn(IV) analysis, several total and dissolved Mn results were greater than the value of
the associated high calibration standard. A linear range verification standard was analyzed at
500.0 µg/L. The Mn recovery for the linear range verification standard was acceptable, at

Page 17 of 35
100.4%, demonstrating that the linear range of the analytical platform extended to 500.0 µg/L
for Mn. With the exception of one sample (ABMW-02S), all reported total and dissolved
Mn results were less than 500 µg/L with the dilutions at the instrument factored in. These
results were within the linear range demonstrated by the linear range verification standard.
No corrective actions were necessary.
With the dilution accounted for, the total and dissolved Mn results for the client sample,
identified as ABMW-02S (632 µg/L and 619 µg/L, respectively), were greater than the
associated Mn linear range verification standard (500 µg/L). The sample was re -analyzed for
total and dissolved Mn at a higher dilutions. The results of the re -analyses confirmed the
initial Mn determinations. Results from the original analyses were reported.
The estimated method detection limit (eMDL) for hexavalent chromium is generated from
replicate analyses of the lowest standard in the calibration curve.
The eMDL values for selenite, selenate, and selenocyanate are generated from replicate
analyses of the lowest standard in the calibration curve. Not all selenium species are present
in preparation blanks; therefore, eMDL calculations based on preparation blanks are
artificially biased low.
The eMDL values for methylseleninic acid and selenomethionine are calculated from the
average eMDL of selenite, selenate, and selenocyanate. The calibration does not contain
methylseleninic acid or selenomethionine due to impurities in these standards which would
bias the results for other selenium species.
The eMDL values for arsenite, arsenate, and dimethylarsinic acid are generated using the
standard deviation of replicate analyses of the lowest standard in the calibration curve. The
eMDL for monomethylarsonic acid is calculated from the average eMDL of the three arsenic
species contained in the calibration (i.e., arsenite, arsenate, and dimethylarsinic acid); the
calibration and CCVs do not contain monomethylarsonic acid due to impurities in this
standard which would bias the results for other arsenic species.
The eMDL value for Fe(II) has been generated from replicate analyses of the lowest standard
in the calibration curve. The eMDL value for total recoverable Fe was set at 1/3 the value of
the associated reporting limit since the standard deviation associated with the replicate
analyses of the lowest standard in the calibration curve was zero.
The eMDL for Mn(II) has been generated from replicate analyses of the lowest standard in
the calibration curve.
The eMDL values for Mn(IV) been calculated using the standard deviation of the method
blanks prepared and analyzed concurrently with the submitted samples.

Page 18 of 35
If you have any questions or concerns regarding this report, please feel free to contact me.
Sincerely,
it L7S�--
Jeremy Maute
Project Manager
Brooks Rand Labs, LLC

Speciation Results for Duke Energy
Project Name: Duke Energy Asheville Plant
Contact: Peggy Kendall
LIMS# J15050806
Date: June 16, 2015
Report Generated by: Jeremy Maute
Brooks Rand Labs, LLC
Samale Results H
Page 19 of 35
Sample ID
Cr(VI)
Se(IV)
Se(VI)
SeCN
McSe(IV)
SeMe
Unknown Se
Species (n)
ABMW-05BR
0.013
0.152
ND (< 0.043)
ND (< 0.048)
0.090
ND (< 0.033)
0 (0)
ABMW-02
0.013
0.181
ND (< 0.043)
ND (< 0.048)
ND (< 0.033)
ND (< 0.033)
0 (0)
ABMW-07S
0.232
0.879
0.460
ND (< 0.048)
0.212
ND (< 0.033)
0.134(l)
MW -08S
0.045
0.171
0.965
ND (< 0.048)
ND (< 0.033)
ND (< 0.033)
0 (0)
MW -05D
0.021
0.097
1.42
ND (< 0.048)
ND (< 0.033)
ND (< 0.033)
0 (0)
ABMW-02S
0.054
0.166
1.53
ND (< 0.048)
ND (< 0.033)
ND (< 0.033)
0 (0)
GW -1 BR
0.059
ND (< 0.007)
ND (< 0.043)
ND (< 0.048)
ND (< 0.033)
ND (< 0.033)
0 (0)
All results reflect the applied dilution and are reported in pg/L
ND = Not detected at the applied dilution
SeCN = Selenocyanate
McSe(IV) = Methylseleninic acid
SeMe = Selenomethionine
Unknown Se Species = Total concentration of all unknown Se species observed by IC -ICP -MS
n = number of unknown Se species observed

Page 20 of 35
Speciation Results for Duke Energy
Project Name: Duke Energy Asheville Plant
Contact: Peggy Kendall
LIMS# J15050806
Date: June 16, 2015
Report Generated by: Jeremy Maute
Brooks Rand Labs, LLC
Sample Results (2)
All results reflect the applied dilution and are reported in pg/L
NR = Analysis not requested
ND = Not detected at the applied dilution
MMAs = monomethylarsonic acid
DMAs = dimethylarsinic acid
Unknown As Species = Total concentration of all unknown As species observed by IC -ICP -MS
Unknown As
Sample ID
As(III)
As(V)
MMAs
DMAs
Species
ABMW-05BR
0.464
0.12
ND (< 0.054)
ND (< 0.038)
ND (< 0.054)
ABMW-02
2060
59.6
ND (< 1.1)
ND (< 0.76)
15.3
ABMW-07S
NR
NR
NR
NR
NR
MW -08S
0.115
ND (< 0.11)
ND (< 0.054)
ND (< 0.038)
ND (< 0.054)
MW -05D
0.144
ND (< 0.11)
ND (< 0.054)
ND (< 0.038)
ND (< 0.054)
ABMW-02S
0.084
ND (< 0.11)
ND (< 0.054)
ND (< 0.038)
ND (< 0.054)
GW -1 BR
0.068
0.29
ND (< 0.054)
ND (< 0.038)
ND (< 0.054)
All results reflect the applied dilution and are reported in pg/L
NR = Analysis not requested
ND = Not detected at the applied dilution
MMAs = monomethylarsonic acid
DMAs = dimethylarsinic acid
Unknown As Species = Total concentration of all unknown As species observed by IC -ICP -MS

Page 21 of 35
Speciation Results for Duke Energy
Project Name: Duke Energy Asheville Plant
Contact: Peggy Kendall
LIMS# J15050806
Date: June 16, 2015
Report Generated by: Jeremy Maute
Brooks Rand Labs, LLC
Samale Results (3
Sample ID Fe(II) Fe(III)"* I Mn (II) Mn(IV)**
ABMW-05BR
5600
1660
157
25.7
ABMW-02
41.4
2860
3910
ND (< 0.098)
ABMW-07S
7.3
ND (< 6.7)
887
ND (< 0.098)
MW -08S
4.9
ND (< 6.7)
3350
ND (< 0.098)
MW -05D
4.9
84.4
533
ND (< 0.098)
ABMW-02S
26.8
22.4
19200
327
GW -1 BR
9.7
124
54.9
1.50
All results reflect the applied dilution and are reported in pg/L
ND = Not detected at the applied dilution
*Fe(III) defined as the difference between total recoverable Fe and Fe(II)
$ Fe(III) results are estimated due to failing MS/MSD recoveries. Please see narrative.
**Mn(IV) operationally defined as the difference between total and dissolved Mn

Speciation Results for Duke Energy
Project Name: Duke Energy Asheville Plant
Contact: Peggy Kendall
LIMS# J15050806
Date: June 16, 2015
Report Generated by: Jeremy Maute
Brooks Rand Labs, LLC
Quality Control Summary - Preparation Blank Summary (1
Page 22 of 35
Analyte (Pg/L) PBW1
PBW2
PBW3
PBW4
Mean
StdDev
eMDL*
eMDL 5x
RL 5x
eMDL 50x
RL 50x
Cr(VI) 0.002
0.005
0.001
0.005
0.003
0.002
0.001
0.007
0.050
-
-
Se(IV) 0.000
0.000
0.000
0.000
0.000
0.000
0.000
-
-
0.007
0.50
Se(VI) 0.000
0.000
0.000
0.000
0.000
0.000
0.001
-
-
0.043
0.50
SeCN 0.000
0.000
0.000
0.000
0.000
0.000
0.001
-
-
0.048
0.46
McSe(IV) 0.000
0.000
0.000
0.000
0.000
0.000
0.001
-
-
0.033
0.49
SeMe 0.000
0.000
0.000
0.000
0.000
0.000
0.001
-
-
0.033
0.49
eMDL = Estimated Method Detection Limit; RL
= Reporting Limit
*Please see narrative regarding eMDL calculations
Quality Control Summary - Preparation
Blank Summary
(2)
Analyte (Pg/L) PBW1
PBW2
PBW3
PBW4
Mean
StdDev
eMDL*
eMDL 10x
RL 10x
eMDL 200x
RL 200x
As(III) 0.000
0.000
0.000
0.000
0.000
0.000
0.002
0.018
0.20
0.36
4.0
As(V) 0.00
0.00
0.00
0.00
0.00
0.00
0.011
0.11
0.20
2.1
4.0
MMAs 0.000
0.000
0.000
0.000
0.000
0.000
0.005
0.054
0.20
1.1
4.1
DMAs 0.000
0.000
0.000
0.000
0.000
0.000
0.004
0.038
0.21
0.76
4.2
eMDL = Estimated Method Detection Limit; RL = Reporting Limit
*Please see narrative regarding eMDL calculations

Speciation Results for Duke Energy
Project Name: Duke Energy Asheville Plant
Contact: Peggy Kendall
LIMS# J15050806
Date: June 16, 2015
Report Generated by: Jeremy Maute
Brooks Rand Labs, LLC
Quality Control Summary - Preparation Blank Summary (3)
Page 23 of 35
Analyte (pg/L) PBW1* PBW2* PBW3* PBW4* Mean
StdDev eMDL**
eMDL 1x
RL 1x eMDL 50x RL 50x eMDL 100x RL 100x
Fe(II)
3.6
3.6
20 - - 360 2000
Total Fe
6.7
6.7
20 330 1000 - -
eMDL = Estimated Method Detection Limit; RL = Reporting Limit
*Preparation blanks for Fe speciation were not analyzed. See narrative
**Please see narrative regarding eMDL calculations
Quality Control Summary - Preparation Blank Summary (3
Analyte (pg/L)
PBW1
PBW2
PBW3
PBW4
Mean
StdDev
eMDL* eMDL 10x RL 10x eMDL 25x RL 25x
Mn (11)
0.24
0.05
0.02
0.72
0.10
0.32
0.086 0.86 5.0 - -
Total Mn
0.057
0.005
0.064
0.004
0.042
0.033
0.000 - - 0.098 1.0
Diss Mn
0.000
-0.003
0.042
0.023
0.013
0.021
0.000 - - 0.063 1.0
eMDL = Estimated Method Detection Limit; RL = Reporting Limit
*Please see narrative regarding eMDL calculations

Page 24 of 35
Speciation Results for Duke Energy
Project Name: Duke Energy Asheville Plant
Contact: Peggy Kendall
LIMS# J15050806
Date: June 16, 2015
Report Generated by: Jeremy Maute
Brooks Rand Labs, LLC
Quality Control Summary - Certified Reference Materials (1
Analyte (Ng/L)
CRM
True Value
Result
Recovery
Cr(VI)
LCS
2.002
1.781
89.0
Se(IV)
LCS
10.00
11.41
114.1
Se(VI)
LCS
10.00
10.59
105.9
SeCN
LCS
8.92
9.193
103.1
McSe(IV)
LCS
6.47
6.729
104.0
SeMe
LCS
9.32
9.472
101.6
Quality Control Summary
- Certified Reference Materials (2)
Analyte (pg/L)
CRM
True Value
Result
Recovery
As(III)
LCS
5.00
5.824
116.5
As(V)
LCS
5.00
5.244
104.9
MMAs
LCS
5.07
5.657
111.5
DMAs
LCS
3.63
3.700
102.1
Quality Control Summary
- Certified Reference Materials (3)
Analyte (pg/L)
CRM
True Value
Result
Recovery
Fe(II)
ICV
500.0
442.8
88.6
Total Fe
LCS
500.0
460.0
92.0
Mn (II)
LCS
1.00
1.053
105.3
Total Mn
TMDA-70.2
312
295.2
94.6
Diss Mn
TMDA-70.2
312
308.1
98.7

Page 25 of 35
Speciation Results for Duke Energy
Project Name: Duke Energy Asheville Plant
Contact: Peggy Kendall
LIMS# J15050806
Date: June 16, 2015
Report Generated by: Jeremy Maute
Brooks Rand Labs, LLC
Quality Control Summary - Matrix Duplicates (1)
Analyte (pg/L)
Sample ID
Rep 1
Rep 2
Mean
RPD
Cr(VI)
GW -1 BR
0.059
0.060
0.059
0.9
Se(IV)
Batch QC
0.142
0.202
0.172
35.0*
Se(VI)
Batch QC
ND (< 0.043)
ND (< 0.043)
NC
NC
SeCN
Batch QC
ND (< 0.048)
ND (< 0.048)
NC
NC
McSe(IV)
Batch QC
ND (< 0.033)
ND (< 0.033)
NC
NC
SeMe
Batch QC
ND (< 0.033)
ND (< 0.033)
NC
NC
ND = Not detected at the applied dilution
NC = Value was not calculated due to one or more concentrations below the eMDL
*Results associated with RPD outlier were less than the reporting limit
Quality Control Summary - Matrix Duplicates (2)
Analyte (pg/L)
Sample ID
Rep 1
Rep 2
Mean
RPD
As(III)
Batch QC
ND (< 0.018)
ND (< 0.018)
NC
NC
As(V)
Batch QC
ND (< 0.11)
ND (< 0.11)
NC
NC
MMAs
Batch QC
ND (< 0.054)
ND (< 0.054)
NC
NC
DMAs
Batch QC
ND (< 0.038)
ND (< 0.038)
NC
NC
ND = Not detected at the applied dilution
NC = Value was not calculated due to one or more concentrations below the eMDL

Page 26 of 35
Speciation Results for Duke Energy
Project Name: Duke Energy Asheville Plant
Contact: Peggy Kendall
LIMS# J15050806
Date: June 16, 2015
Report Generated by: Jeremy Maute
Brooks Rand Labs, LLC
Quality Control Summary - Matrix Duplicates (3
Analyte (pg/L)
Sample ID
Rep 1
Rep 2
Mean
RPD
Fe(II)
ABMW-05BR
5596
5109
5353
9.1
Total Fe
ABMW-05BR
7257
6922
7089
4.7
Mn (II)
Batch QC
3291
3258
3274
1.0
Total Mn
Batch QC
2834
2689
2762
5.3
Diss Mn
Batch QC
2622
2632
2627
0.3
ND = Not detected at the applied dilution
NC = Value was not calculated due to one or more concentrations below the eMDL
*Associated results were less than the RL

Page 27 of 35
Speciation Results for Duke Energy
Project Name: Duke Energy Asheville Plant
Contact: Peggy Kendall
LIMS# J15050806
Date: June 16, 2015
Report Generated by: Jeremy Maute
Brooks Rand Labs, LLC
Qualitv Control Summary - Matrix Spike/ Matrix Spike Duplicate (1
Analyte (lag/L)
Sample ID
Spike Conc
MS Result
Recovery
Spike Conc
MSD Result
Recovery
RPD
Cr(VI)
GW -1 BR
5.000
4.824
95.3
5.000
5.180
102.4
7.1
Se(IV)
Batch QC
251.0
233.0
92.7
251.0
235.4
93.7
1.1
Se(VI)
Batch QC
250.0
225.0
90.0
250.0
230.6
92.2
2.5
SeCN
Batch QC
228.8
205.3
89.7
228.8
214.2
93.6
4.3
Quality Control Summary - Matrix Spike/
Matrix Spike Duplicate
(2)
Analyte (lag/L)
Sample ID
Spike Conc
MS Result
Recovery
Spike Conc
MSD Result
Recovery
RPD
As(III)
Batch QC
20.00
21.09
105.5
20.00
21.05
105.3
0.2
As(V)
Batch QC
20.00
21.07
105.4
20.00
20.99
104.9
0.4
DMAs
Batch QC
20.98
22.06
105.2
20.98
22.04
105.0
0.1
Quality Control Summary - Matrix Spike/
Matrix Spike Duplicate
(3)
Analyte (lag/L)
Sample ID
Spike Conc
MS Result
Recovery
Spike Conc
MSD Result
Recovery
RPD
Fe(I1)
ABMW-05BR
50000
50120
89.5
50000
58150
105.6
14.8
Total Fe
ABMW-05BR
10000
14510
74.2*
10000
14070
69.8*
3.1
Mn (II)
Batch QC
50.00
3027
-494.8**
50.00
3004
-541.0**
0.8
Total Mn
Batch QC
1000
3633
87.1
1000
3544
78.2
2.5
Diss Mn
Batch QC
1000
3549
92.2
1000
3568
94.1
0.6
*Spike recovery is less than the lower control limit of 75%. Please see narrative
**Ambient analyte concentration greater than spiking level. See case narrative.

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18804 Nortly reek Parkway
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15050 80&
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Fax (425) 4�183-9818
By submitting of samples the client agrees to all terms and conditions set forth
in the quotation provided by the BRL project manager. If you are not familiar
with the term and conditions associated with your project, please contact your
RR7. rPnre.centative as soon as possible 425 483-3300.
r0 ect Natrie;
Confirmation of Sample Reception: Yes
No
'raiect Number,
10 Number:
1217608
Bottle ID Date and Time Matrix
Volume
Preservative Initials
Requested Anal tes and Methods
Comments
is le ID
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Fe Spec
field filtered
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Mn S
field filtered
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Mn Spec
unfiitered
None
Se Spec
field filtered
x,9'
None
$ W-oa
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S
EDTA -1
As S ec
Cr V1
field filtered
field filtered
1500
NH40HlNH4SO4
Fe Spec
fieli! filtered
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assed HCl
Mn Spec
field filtered
30in 9v
None
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unfiltered
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Se Spec
field filtered
u
None
IL
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Relinquished by: (sign) (print) Temp:
Reosived by: (si ) (print) DateTme:
Please account for each sample bottle as a seperate line item for verification purposes. l ��
Matri)r Air, Freshwater (TW), seawater (SW), groundwater (CM), wastewater (%%)), soil (SL), sediment (SD), tissue (TS), product (P), other (0)
t+.ev 1-1 (April 2005)
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18804 Northcreek Parkway phone [phone]
Pax {425) 4133-981.8
�Bs
Bothell, NVA 98011
r Wwaria�ur r+srwu+ IPPiYJ�' .
Com an Name,.
BRI; Project. Man a er:.. erem &Iaute
Contact Person:q
By submitting of samples .the client agrees to all_terms and conditions set forth
ddress: U
Z.D
in the quotationprovided by the BRL ptnject manager.If you are not familiar
with the term and conditions associated with your project, Please contact your
$RL re' resentative as soon as' possible 425 '483-33W
Phone Number;. {� ...
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1'ro ect Name:
au
Courier TrackingNumber:
Confirmation of Sample Reception: � Yes 13 ND
Project Number
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PO Number:
Sample XD
1217608
Bottle ID Date and Time Matrix Volume
Preservative
Initials
Re treated Anal es and Methods
Comments
* -CJS
OD -61 -+ 15 t�11
1a5
EDTA -1
As S ec
field filtered
_______
NH40H/NH4SO4
C I)
field filtered
•2y1
p
D assed HCl
Fe S
field filtered
__ None
Mn Spec
field filtered'
None
Mn Spec
unfiltered: _
B �'fl7�5 fa
_T
None
_ Se Spec _ _
field filtered
_ _.. r �---- -
EDTA - 1
As. S pec; _ _field
field filtered
•
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NHdOHfNH4SO4�
Cr(V�_ _
filtered
ic'�31Q5a11
Deaassed.HCi
Fe Spec .
field filtered
None
Mn Spec
field filtered
*$
Mn Spec
unfiltered_ _
_
_None
None
Se Spec
field fiiltered _
__ _ _
Relinquish6d by: (sig
(print},�:��
Date/Time: Comments;
Received. by: {sign}
(print) C
Clate/Time' T r. d'10a
L'
Temp•. lip • O
Comments:
Relinquished by: (sign)
(print)
DateJTime:
Received by; sign
(print)
DatelTime:
Temp:
Please account for each sample bottle as a seperate line item for verification purposes.
Matrix: Air Vreshwatcr 04%), seawater (SW), groundwater (GW), wastewater (WM, soil (S)_), sedimenr. (91)), tissue (MS,ptoduct (l'}, other (0)
Rcv 1.1. (April 2005)

Nacre:
N
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None LUZ
None
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DTA -1
188041 Northcreek Parkway Phot c {� 373300
1_HlNH4SO4_ _ ----C
Bothell, WA 98011 Fax [phone].
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None.
BRL Project Mana v . erem Maute
X
Mn
By submitting of samples the client agrees to all terms and conditions set forth
.��
in the quotation provided by the BW project manager. IE you are neat familiar
e
with the tezm and conditions assaciated.vith your project, please contact your
Se (h;
425 483-3300.
BRC re' resentative as soon as. ssible
_
Re uested'1'urnAcaundTime:.
�`.`.
Method Qf Sa lIe De]ive
���� V ���,,�
Courier Trackin Number:
Confirmation of'Sample Reception. Yes ® No
C
1217608
te Matxixr Valurne
Bottle ID Daand Time
.
Preservative
Initiais , Requested Anal tits and Methods
Comments
l
EDTA -1 ..
-As Spec
field filtered
NH40HlNH4504
C�i�.._.�..---� --
field filtered
.---------
r5,
LA�_
�_ assed H
'DegCi
Fie Spec
field filtered
3413 a f
None–J2M4
Mn S ec
RAn
field filtered
un#filtered
None LUZ
None
- __ _� Se
DTA -1
As
1_HlNH4SO4_ _ ----C
assed HCA
_ Fe
None.
Mn
None-
Mn
None
Se
Zelinquished by: (s'"gn) t)
�a �1 DatelTime:
{print). a A v' DatelTin* ' S r�R a✓
�eoeived by:. (sign) — - —
Relinquished by: (sign)
Datel
{print} Time: DatelTime:
Received by: (si rij (print)
Please account for each sample bottle as a seperate line item for.verification purposes.
`Matrix: Air, Freshwater (M. scawatcr (SW), grroundwatcr (C3V1), wastewater {LfVW),
Boil sediment (M), tissue (1'S}:,.product (1�, other. (0)
field filtered —M
field filtered
field filtered
field filtered
field filtered:
unfiltered
field filtered
o,6C'
its"
14
Rcv 1.1 (April 2005)