NC0004987_Permit Modification Request_20170822

An
DUKE
�' ENERGY.
August 22, 2017
Ms. Julie Gryzb
North Carolina Division of Water Resources
1617 Mail Service Center
Raleigh, NC 27699-1617
Re NPDES Wastewater Permit Modification request
Duke Energy Carolinas, LLC
Marshall Steam Electric Plant
Permit # NC0004987
Catawba County
Dear Ms. Gryzb,
Duke Energy Corporation
Marshall Steam Station
8320 East NC Highway 150
Terrell, NC 28682
RECEIVEDINCDEWWR
AUG 2 5 2017
Water Quality
Permitting Section
Duke Energy Carolinas, LLC (Duke) is submitting herein information to support a NPDES Permit Modification
for the subject facility This submittal is intended to provide descriptions of modifications that will be
necessary to comply with recently enacted laws and regulations including the Federal Steam Electric Effluent
Limitations Guidelines (ELG), Federal Coal Combustion Residual (CCR) rule, the North Carolina Coal Ash
Management Act (NC-CAMA) of 2014 and HB 630 of 2016 Enclosed is a check for $1030 for the required
major modification fee
With numerous federal and state requirements to coordinate and implement in a short time for the site,
planning and sequencing of work are paramount and dynamic As such, final scope and sequence for all work
is not complete at this time. Where scope is still not finalized, Duke has provided the most acceptable
option that is being evaluated in an attempt to limit the number of subsequent submittals necessary Itis
Duke's belief that the information provided in this submittal is of sufficient detail to allow for review and
issuance of a modified NPDES permits for the Marshall Steam Electric Plant (Marshall) This is consistent with
the guidance received from DEQ staff in a meeting on February 24, 2017 and with similar modification
requests submitted by Duke in the summer of 2016
A new NPDES Outfall Map with coordinates is included as Attachment #1 A new Site Plan is included as
Attachment #2 A process flow line diagram is included as Attachment #3.
The following items are the requested modifications of the permit that Duke requests Specific permit
requests from Duke are identified in bold throughout this submittal.
The NPDES permit for Marshall Steam Station contains applicability dates for the best available
technology (BAT) limits for bottom ash transport water and flue gas desulfurization (FGD) wastewater
imposed by the 2015 revisions to the Steam Electric Effluent Limitation Guidelines (ELG). Duke Energy
(Duke) requests these limits and associated applicability dates are removed in the modified permit
based on recent actions by EPA By letter dated April 12, 2017, the EPA Administrator announced
EPA's decision to reconsider the 2015 revisions to the ELG In a subsequent action, the EPA
Administrator issued an Administrative Stay, published in the Federal Register on April 25, 2017, to
the applicability dates of the ELG that have not passed until August 12, 2017, while EPA determines

any portions of the 2015 revisions to the ELG for which it seeks a remand to pursue further
rulemaking. In addition, on June 6, 2017, a proposed rule postponing certain applicability dates of the
2015 revisions to the ELG was published in the Federal Register. The proposed rule applies to the
applicability dates for the BAT and Pretreatment Standards for Existing Sources (PSES) limits for
bottom and fly ash transport water, FGD wastewater, flue gas mercury control wastewater and
gasification wastewater. The public comment period on this rule ended on July 6, 2017. If this rule is
finalized as proposed, the applicability dates would be postponed until EPA promulgates a final rule
specifying revised applicability dates. On August 14th, EPA filed a motion with the 5th Circuit Court of
Appeals to put portions of the 2015 revisions to the ELG litigation on hold while EPA reconsider
certain ELG limits. EPA, specifically, requested to sever and hold in abeyance the litigation issues
related to bottom ash transport water, FGD wastewater, and IGCC gasification wastewater and
stated its intent to conduct a rulemaking to potentially revise the more stringent BAT effluent
limitations and PSES for bottom ash transport water and FGD wastewater. Based on these recent
actions by the EPA Administrator, Duke requests the no discharge limit for bottom transport
water imposed on Outfall 002 (normal operation and dewatering) and the limits for arsenic,
mercury, selenium and nitrate/nitrite for FGD wastewater imposed on internal Outfall 004 and
associated applicability dates are removed in the modified permit. This request is made on the
assumption that the 5th Circuit Court of Appeals will approve EPA's motion and EPA will finalize the
rule postponing the applicability dates of the more stringent BAT limits for bottom ash transport
water and FGD wastewater prior to the permit being issued. With EPA's intent to revise the BAT
provisions of § 423.13 (g)(1)(i) for FGD wastewater and § 423.13 (k)(1)(i) for bottom ash transport
water, and the applicability dates postponed, the BAT limits established for FGD wastewater and
bottom ash transport water generated before the applicability date stated in § 423.13 (g)(1)(ii) for
FGD wastewater, and § 423.13 (k)(1)(ii) for bottom ash transport water should apply. These
conditions impose a Technology Based Effluent Limit (TBEL) for total suspended solids (TSS) of 30
mg/L on a 30 -day average and 100 mg/L on a daily maximum.
2. North Carolina's Coal Ash Management Act and the Federal CCR rule will prohibit continued
wastewater flows to the existing ash basin at Marshall. Projects are underway including the
installation of a submerged flight conveyor and redundant fly ash handling equipment to convert ash
handling of both bottom ash and fly ash to 100% dry handling. All other wastewater inputs to the
active ash settling basin must be redirected and handled in another manner.
Duke intends to construct a new, lined Retention Basin to handle wastewater flows currently directed
to the active ash settling basin including treated Flue Gas Desulfurization (FGD) wet scrubber
wastewater, other low volume wastes, including air pre -heater, boiler and electrostatic precipitator
wash water, fire system water, storm water runoff and leachate from the Industrial Landfill, and the
FGD Residue Landfill. All Yard Sumps (3), all process sumps (boiler room, turbine room, ash silos, and
storm water runoff from the gypsum area will also be redirected to the Retention Basin. Anew
Outfall associated with a new Retention Basin will be required.
The retention basin will be approximately 19.5 acres in area and will have chemical feed systems for
the addition of flocculent and pH adjustment chemicals. Calculated predictions for influent and
effluent concentrations for the Retention Basin are included on Table 1 in Attachment #4. These
predicted concentrations were developed first by characterizing the wastewater streams that are
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currently discharging into the ash basin; then by developing flow and mass balances to determine the
influent load on the new retention basin; next the removal performance for the new retention basin
and chemical feed system was estimated by extrapolating the projected total suspended solids
removal efficiency to predict the effluent concentrations. It is anticipated this retention basin will
have a flow volume of approximately 5.0 Million Gallons per Day (MGD) to Lake Norman. Duke
requests a new NPDES Outfall 005 for the discharge from the Retention Basin be added to the
permit.
3. A separate and Holding Basin will be constructed to provide preliminary capacity for the Retention
Basin. Stormwater from the coal pile will be pumped to the Holding Basin. The Holding Basin will be
designed, constructed, and operated to hold the coal pile runoff which results from a 25 year, 24-
hour rainfall event. Flows from the holding basin will be directed to the lined retention basin
described in item # 1 above. Because designed treatment for coal pile runoff water stream is the
lined retention basin, Duke requests that ELG limits for TSS from coal pile runoff be imposed from
the outfall of the lined retention basin discharge.
The Holding Basin will be designed with a location to allow various vacuumed sediments and solids to
be decanted prior to the disposal of the resulting solids into the onsite landfill. Periodically, any
accumulated solids in the retention and holding basins will be dewatered and disposed of in the
facility's onsite landfill.
The holding basin will be designed for batch processing and will be approximately 12.5 acres in area.
Storm water and water from the yard sumps may also be directed to the Holding Basin. The holding
basin will have chemical feed systems for adjusting pH and polymer addition to enhance settling.
Once acceptable, the holding basin contents will be transferred to the Retention Basin.
4. Landfill Leachate must be rerouted in order to comply with CAMA 2014 and the Federal CCR rule.
Currently, Landfill Leachate flows to the ash settling basin for treatment prior to being released
through NPDES Outfall 002. Duke plans to reroute leachate from the Industrial Landfill and the FGD
Residue Landfill to the Retention Basin for treatment as described in item #1 with final discharge
through the new outfall 005. Duke requests that landfill leachate be listed as a contributing flow to
the lined retention basin and that any ELG limits associated with landfill leachate are imposed on
the discharge from the lined retention basin.
5. The existing FGD Wastewater Treatment System (WWTS) currently flows through constructed
wetlands and then flows through Internal Outfall 004. To comply with the Federal ELG for FGD
wastewater, a new FGD WWTS system will be constructed and utilized. This system will consist of
physical/chemical treatment units, a bioreactor, and ultrafiltration systems. Solids settled and
collected in the physical/chemical system will be handled via a series of filter presses and disposed of
in the facility's onsite landfill. A new Internal Outfall 006 will be required to accommodate the new
FGD WWT discharge. The new Internal Outfall 006 will be directed to the retention basin described
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in item #2 of this letter. Duke requests that a new Internal Outfall 006 for the new FGD wastewater
treatment system discharge be added to the permit.
An updated Marshall Steam Station Hazardous and Toxic Substances list is attached. The added
chemicals are as follows: Hydrated Lime, Ferrous Chloride, Organo -Sulfide, Polymer, Nutrient, 50%
Citric Acid, Calcium Carbonate, Sodium Bisulfite, Caustic Acid, Magnesium Hydroxide, Urea and
Hydrogen Peroxide.
Duke intends to process legacy FGD wastewater through existing permitted Internal Outfall 004 until
the treatment units associated with that outfall are decommissioned and closed. The requested new
Internal Outfall 006 for treated FGD wastewater and Internal Outfall 004 will need to both be
operational for a period of time. Outfall 004 will continue to discharge into the ash settling basin.
Upon completion of a new FGD Wastewater treatment system, Outfall 004 will remain solely for
stormwater discharge. Storm water from the new FGD treatment area will be directed to the
retention basin and discharge through Outfall 005.
The location of the new FGD wastewater treatment system and its associated Internal Outfall 006 is
identified on the Site Plan available in Attachment #2.
6. Yard Sump 1 will be modified creating a new Yard Sump 1A. Yard Sump 2 and the fly ash silo area
sump will be rerouted to the new Yard Sump 1A. In addition, storm water runoff from Parking Lot C
and the Main Drive will be rerouted to Sump 1A. Flows into Sump 1A are depicted in the drawing
entitled Water Redirection Program Drainage Areas included as Attachment #5. Yard Sump 1A will
flow to the new Retention Basin for treatment. Yard Sump 1A will utilize the existing overflow Outfall
02A. This new configuration is depicted on the Flow Diagram provided as Attachment #3. Duke
requests all references in the permit to Yard Sump 1 be replaced with Yard Sump 1A.
Existing Yard Sump 2 collects wastewater from the powerhouse including air pre -heater, boiler and
electrostatic precipitator wash water, and the powerhouse yard area. In addition, flows from high
traffic and equipment storage areas including the main drive 2 areas, the warehouse area, roof drains
between units 3 and 4, plus newly installed and/or rerouted yard storm water run-off drains will be
directed to Yard Sump 2. Flows into Sump 2 are depicted in the drawing entitled Water Redirection
Program Drainage Areas included as Attachment #5. There will be no changes to the existing Yard
Sump 2 overflow Outfall 02B.
Yard sump 3 receives storm water flow from an existing storm water retention pond including storm
water from the FGD and WWT outdoor areas. Additional water flows from the units 3and 4
precipitator area will flow into Yard Sump 3. Yard Sump 3 will be pumped into Yard Sump 2.
7. Duke has rerouted plant sanitary waste (domestic waste that previously discharged through Outfall
002) to the municipal sewer system. With this modification, Duke requests the BOD, 5 -day, 20°C
monthly average limit of 30.0 mg/L and daily maximum limit of 45.0 mg/L plus the Fecal Coliform
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(geo. mean) monthly average of 200/100 ml and the Daily Maximum Limit of 400/100 ml
associated with the discharge of domestic waste be removed from Outfall 002 from sections A. (2.)
and A. (3.) of the permit to reflect the new plant domestic waste discharge configuration.
8. Area of wetness (AOW) disposition: Duke requests that there be no sampling required for any newly
identified AOW's that are located and flow within the facility's treatment process and are released
through permitted NPDES Outfalls. Duke requests that any future AOW's that are identified and
are tributary to an existing permitted Outfall not require notification to DEQ.
9. CWA Section 316(b) alternate schedule: The previously requested alternate schedule for compliance
with Section 316(b) of the Clean Water Act still applies and requires a 316(b) application with the
next permit renewal.
10. Duke Energy request the inclusion of a permitted outfall point associated with the emergency
spillway of the ash basin. Discharges from this point are not anticipated in events less than a 100
year design storm. Characterization of any discharge would be represented by previous ash basin
characterization and diluted by significant storm water. The coordinates for this discharge point to
Lake Norman are 35°36'33.24'N 80°57'30.45"W.
11. Duke Energy has identified an AOW that has potential to discharge into Lake Norman identified as
AOW-104. The flow is inconsistent; however Duke has obtained a sample using the SOP created by
Synterra. Those results are included as attachment 7. At time of sampling, flows were less than 1
liter per minute and the sample point was located below the ordinary high water mark of Lake
Norman. The coordinates for this area are 35°36'22.99'N 80°57'32.33"W.
Duke is requesting permit coverage for this area and that this area be monitored for changes.
Duke requests that samples from outfall 102 be considered representative due to close proximity
and characteristics.
We appreciate your attention to these requests and look forward to finalizing the modifications to
the NPDES permit for the Marshall Steam Electric Plant in the near future. Doing so will allow Duke
to comply with mandated requirements in recent legislation. Should you have any questions
regarding this letter or require additional information, please contact Mr. Brad Loveland at (980) 373-
2820 or at [e-mail].
"I certify, under penalty of law, that this document and all attachments were prepared under my
direction or supervision in accordance with a system designed to assure that qualified personnel
properly gather and evaluate the information submitted. Based on my inquiry of the person or
persons who manage the system, or those persons directly responsible for gathering the information,
the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. 1
am. aware that there are significant penalties for submitting false information, including the
possibility of fines and imprisonment for knowing violations."
www.duke-energy.com

Sincerely,
Rick R. Roper
General Manager III
Marshall Steam Station
Enclosures:
Attachment 1 - NPDES Outfalls
Attachment 2 - Site Plan
Attachment 3 - Process Flow Diagram
Attachment 4 - Basin Performance
Attachment 5 -Yard Drainage Plan
Attachment 6- Marshall Steam Station Hazardous and Toxic Substances List
Duke Energy cc: Shannon Langley, Scott LaSala, Richard Baker, Brad Loveland
www.duke-energy.com

DUKE
"';ENERGY.
DUKE ENERGY CORPORATION
Marshall Steam Station
8320 East NC Highway 150
Terrell, NC 28682
Attachment # 1
NPDES Outfalls
2017 NPDES Permit Modification
Marshall Steam Electric Plant
N C0004987
August 22, 2017

Outfall
Latitude
Longitude
001
35'35'43.00"N
80'57'52.00"W
002
35'36'21.00"N
80°57'35.00"W
002A
3535'58.00"N
80'57'50.00"W
0026
35'35'57.00"N
80'57'51-00"W
003
3535'52.00"N
80°57'47.00"W
004
35'36'31.00"N
80'58'0.00"W
005
35'3558.70"N
80'57'50.28"W
006
35`35'56.50"N
80'57'35.55"W
101
35'36'42.00"N
80'57'38.00"W
102
35'36 24.20"N
80'57 32.60"W
NPDES Outfalls
tn1
Facility Location
(Map not to scale) iL
v
sl
700 1,400
Fed
005
-002B o02a
F IA
sL 2
003
&mm" Cepinj" Will MidYmpopls Soft iwbw
e .
IC OMMV, NC Crhr4r4� fro W W wd Mme, MC 911 Bow
MC Oel11y, NC CaM IrOy+M'c Ydrmalim and Md/x, *C DOT - GS Un1
IIA /
"f
f.
o r y
'i
� •rANi l
NPDES Outfall Location A Sump
Duke Energy Parcel
USGS Cluad: Lake Norman Sub -Basin: 03-08-32
Receiving Stream: Catawba River River Basin: Catawba
Stream Class: WS -N, B -,CA Hydrologic Unit: 0305010112
Figure I
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awba Rrver (Lake Norman below e'_alcin 780)
Riv�e(Basin Catawba
f
Sub Basin 30832
Stream Class: W S-N&G CA
;
• gib` ,
&mm" Cepinj" Will MidYmpopls Soft iwbw
e .
IC OMMV, NC Crhr4r4� fro W W wd Mme, MC 911 Bow
MC Oel11y, NC CaM IrOy+M'c Ydrmalim and Md/x, *C DOT - GS Un1
IIA /
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f.
o r y
'i
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NPDES Outfall Location A Sump
Duke Energy Parcel
USGS Cluad: Lake Norman Sub -Basin: 03-08-32
Receiving Stream: Catawba River River Basin: Catawba
Stream Class: WS -N, B -,CA Hydrologic Unit: 0305010112
Figure I
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C.
F -
Site Plan
Q 0
we OWN* "C Cwhr for NC Ohdl4P, NC Ce#r brGa�!� h brmAc *,4 �, roc 9n - G
ordic Arry�e.hCD4T-GSUni
NC MM40M 1b♦on! pmp"'
Facility Location
(Map not to scale)
Legend
_ Proposed Basin ' NPDES Outfall Location
- Proposed WWTS
Duke Energy Parcel Sump
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Attachment #2
Site Plan
NPDES Permit Modification
Marshall Steam Electric Plant
August 22, 2017
www.duke-energy.com

Attachment #3
Future Process Flow Diagram
NPDES Permit Modification
Marshall Steam Electric Plant
NC0004987
August 22, 2017
www.duke-energy.com

Lake
Norman
ID Fan Control House
Non -contact Cooling
Water
Intake Screen Backwash
Ash Sluice
Flue Gas Desulfurization (FGD)
Wet Scrubber Wastewater
Projected Future Marshall Steam Station Flow Diagram
NPDES Permit #N00004987
Internal Outfall 003 Catawba County
0.2 MGD
Submerged Flight Conveyor
Evap. 1.7 MGD
FGD Wastewater Treatment System
(Phys/Chem & Bio)
Heat Exchanger Cooling Water
Air Preheater Water, Precipitator & Boiler Wash Waters, Misc.
Cleaning Wastewaters
Misc. Equipment Cooling
Raw Water
Treatment
I
Boiler and Turbine Room
Sumps
Coal Pile
Once -through Cooling Water
Constructed Wetlands
Internal Outfa
0.8 MGD
1.15 MG
Fly Ash Silo Sump
Outfall 001
1093 MGD
Domestic Wastewater Sanitary
0.53 MGD 0.04
MGD
Stormwater
1.9 Yard Drain Sumps
MGD (2 flows to 1A)
2.43
Alternate MGD
--------------------------
Route
Holding Basin
Stormwater 0.5 MGD -�
F_ Landfill Leachate 0.04 MGD
Retention Basin
An
La ke
Norman
POTW
Outfall 102 > Lake Norman
Outfall 101 > Lake Norman
Outfall 002 _ > Lake
1.0 MGD Norman
--------------
Outfalls 002A and 002B
Yard Sump Overflows ->
(No flow expected)
Retention Basin Overflow
(No flow expected)
----------------------------------------------
Outfall 005
5 MGD
Lake
Norman
La ke
Norman
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Attachment #4
Water Redirection Retention Basin
Projected Performance
NPDES Permit Modification
Marshall Steam Electric Plant
N C0004987
April 22, 2017
www.duke-energy.com

TABLE 1
Water Redirection Retention Basin Projected Performance
Predicted Influent
Predicted Effluent
Concentrations
Concentrations
Constituent
Concentration
Units
Concentration
Units
Classicals
Ammonia
0.32
mg-N/L
0.32
mg-N/L
Calcium
300.04
ppm
297.75
ppm
Chlorides
363.10
ppm
363.10
ppm
Fluorides
1.21
ppm
1.21
ppm
Nitrite+Nitrate
4.64
mg-N/L
4.64
mg-N/L
Sodium
13.25
ppm
12.73
ppm
Sulfates
350.47
ppm
157.71
ppm
TDS
1467.72
ppm
1320.94
ppm
Total Kjeldahl Nitrogen
2.20
mg-N/L
2.20
mg-N/L
Total Organic Carbon
2.34
ppm
2.34
ppm
Total Phosphorous
0.21
mg-P/L
0.21
mg-P/L
TSS
1 266.48
ppm 1
13.32
ppm
Metals, Total Recoverable
Aluminum
6.00
ppm
0.33
ppm
Antimony
1.50
ppb
1.10
ppb
Arsenic
13.04
ppb
3.45
ppb
Barium
0.12
ppm
0.06
ppm
Beryllium
2.20
ppb
1.39
ppb
Boron
24.81
ppm
24.74
ppm
Bromides
3.66
ppm
3.30
ppm
Cadmium
1.09
ppb
< 1
ppb
Chromium
11.87
ppb
3.08
ppb
Cobalt
13.35
ppb
8.65
ppb
Copper
16.53
ppb
3.23
ppb
I ron
7.74
ppm
0.58
ppm
Lead
6.34
ppb
1.35
ppb
Magnesium
111.64
ppm
110.88
ppm
Manganese
544.29
ppb
469.34
ppb
Mercury
10.12
ppt
5.73
ppt
Molybdenum
37.17
ppb
27.15
ppb
Nickel
21.28
ppb
11.32
ppb
Potassium
6.37
ppm
5.64
ppm
Selenium
16.35
ppb
13.16
ppb
Silver
1.02
ppb
< 1
ppb
Strontium
1.06
ppm
0.99
ppm
Thallium
0.91
ppb
< 1
ppb
Tin
63.44
ppb
36.26
ppb
Titanium
0.26
ppm
0.03
ppm
Vanadium
19.50
ppb
3.33
ppb
Zinc 1
54.74
ppb 1
25.75
ppb
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Attachment #5
Water Redirection Program Drainage Areas
NPDES Permit Modification
Marshall Steam Electric Plant
NC0004987
August 22, 2017
Yard Drainage Plan
www.duke-energy.com

4S.
7 -
MR.
LAC
F
4r
1011
WWj
pp

Attachment #6
Marshall Steam Station
Hazardous and Toxic
Substances List
NPDES Permit Modification
Marshall Steam Electric Plant
NC0004987
August 22, 2017
www.duke-energy.com

Marshall Steam Station Hazardous and Toxic
Substances (Updated) Table 5.1
50% Citric Acid
Cyclohexane
Naphthenic Acidalene
Sodium
Dodecvlbenzenesulfonate
Acetaldehyde
Dodecylbenzene
sulfonic Acid
Nickel Hydroxide
Sodium Fluoride
Acetic Acid
Ethylbenzene
Nitric Acid
Sodium Hydroxide
Adipic Acid
Ferrous Chloride
Nutrient
Sodium Hypochlorite
Aluminum sulfate
Ferrous Sulfate
Organo -Sulfide
Sodium Phosphate Diabasic
Ammonia
Formaldehyde
Phenol
Sodium Phosphate Tribasic
Ammonium Chloride
Hydrated Lime
Phosphoric Acid
Styrene
Ammonium
Hydroxide
Hydrochloric Acid
Phosphorus
Sulfuric acid
Antimony Trioxide
Hydrofluoric Acid
Polymer
Toluene
Asbestos
Hydrogen Peroxide
Potassium Bichromate
Urea
Benzene
Hydrogen Sulfide
Potassium Hydroxide
Vanadium Pentoxide
Calcium Carbonate
Magnesium Hydroxide
Potassium Permanganate
Vinyl Acetate
Caustic Acid
Maleic Acid
Propionic Acid
Xylene (Mixed Isomers)
Chlorine
Mercuric Nitrate
Pyrethrins
Zinc Chloride
Cupric Nitrate
Monoethylamine
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Attachment #7
Marshall Steam Station
Laboratory Analytical Report - AOW 104
NPDES Permit Modification
Marshall Steam Electric Plant
N C0004987
August 22, 2017
www duke-energy.com

evDUKE
Analytical Laboratory
ENERGY,
13339 Hagers Ferry Road
Huntersvllle, NC 28078-7929
McGuire Nuclear Complex - MG03A2
Phone [phone] Fax [phone]
Order Summary Report
Order Number:
J17080242
Project Name
MARSHALL - NPDES - AOW
Customer Name(s) Ross Hartfield, Tim Hunsucker, Chris Suttel, Kathy Webb, Brandon Russo,Chris
Customer Address 8320 NC Hwy 150 East
Mail Code Marshall Steam Station
Terrell, NC 28682
Lab Contact Mary Ann Ogle Phone [phone]
7 do=cam d-doke� —gy dc=ent,
f 1 �&M. .-Accounts ou-Personal
ou=PNT2nsltlonal -.A011 2111111111
Re ort Authorized B r /+fir Iag,o. spetl0edponlonsofthIs
P Y % I e9F✓lCli 1 d,cument Date:
8/16/2017
(Signature) 2017 08 16 16 26 48-04 00
Mary Ann Ogle
Program Comments:
Please contact the Program Manager (Mary Ann Ogle) with any questions regarding this report
Data Flags & Calculations:
Analytical lab
Pagel of 37
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:
Analytical lab
Page 2 of 37
Sample ID
Plant/Station
Collection
Date and Time Collected By
Sample Description
2017027391
MARSHALL
08 -Aug -17 2 20 PM BOW
104
2017027392
MARSHALL
08 -Aug -17 2 20 PM
FIELD BLANK
2017027393
MARSHALL
08 -Aug -17 2 20 PM
Trip blank
3 Total Samples

Technical Validation Review
Checklist:
COC and pdf report are In agreement with sample totals 0 Yes ❑ No
and analyses (compliance programs and procedures)
All Results are less than the laboratory reporting limits ❑ Yes No
All laboratory QA/QC requirements are acceptable
� Yes ❑ No
Report Sections Included:
Job Summary Report
❑� Sample Identification
❑d Technical validation of Data Package
❑� Analytical Laboratory Certificate of Analysis
❑ Analytical Laboratory QC Report
Analytical lab
Page 3 of 37
❑� Sub -contracted Laboratory Results
❑ Customer Specific Data Sheets, Reports, & Documentation
❑ Customer Database Entries
❑d Chain of Custody
Electronic Data Deliverable (EDD) Sent Separatel
Reviewed By Mary Ann Ogle Date 8/16/2017

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Order # J17080242
Site 104
Collection Date 08 -Aug -17 2 20 PM
Sample #:
Matrix
2017027391
NPDES
Analyte
Result
Units Qualifiers
RDL
DF
Method
Analysis Date/Time
Analyst
ALKALINITY - (Analysis Performed by Shealy
Labs)
Vendor Parameter
Complete
Vendor Method
V SHEALY
NITRITE + NITRATE (COLORIMETRIC)
Nitrite + Nitrate (Colorimetric)
0.07
mg-N/L
001
1
EPA 353 2
08/09/2017 13 23
JASTOWE
INORGANIC IONS BY IC
Chloride
230
mg/L
5
50
EPA 300 0
08/10/2017 10 07
BGN9034
Fluoride
064
mg/L
05
5
EPA 300 0
08/10/2017 10 07
BGN9034
Sulfate
120
mg/L
5
50
EPA 300 0
08/10/2017 10 07
BGN9034
MERCURY IN WATER - (Analysis Performed by
Shealy Labs)
Vendor Parameter
Complete
Vendor Method
V SHEALY
TOTAL RECOVERABLE METALS BY ICP
Aluminum (AI)
1 32
mg/L
0 005
1
EPA 200 7
08/14/2017 10 49
MHH7131
Barium (Ba)
0.061
mg/L
0 005
1
EPA 200 7
08/14/2017 10 49
MHH7131
Boron (B)
646
mg/L
005
1
EPA 200 7
08/14/2017 10 49
MHH7131
Calcium (Ca)
110
mg/L
002
10
EPA 200 7
08/14/2017 10 49
MHH7131
Iron (Fe)
0 266
mg/L
001
1
EPA 200 7
08/14/2017 10 49
MHH7131
Magnesium (Mg)
437
mg/L
005
10
EPA 200 7
08/14/2017 10 49
MHH7131
Manganese (Mn)
5.76
mg/L
0 005
1
EPA 200 7
08/14/2017 10 49
MHH7131
Potassium (K)
474
mg/L
01
1
EPA 200 7
08/14/2017 10 49
MHH7131
Sodium (Na)
918
mg/L
005
1
EPA 200 7
08/14/2017 10 49
MHH7131
Total Hardness (Ca and Mg)
455
mg/L
1
EPA 200 7
08/14/2017 10 49
MHH7131
(CaCO3)
Zinc (Zn)
0 012
mg/L
0 005
1
EPA 200 7
08/14/2017 10 49
MHH7131
TOTAL RECOVERABLE METALS BY ICP -MS
Antimony (Sb)
< 1
ug/L
1
1
EPA 200 8
08/16/2017 13 48
CWSPEN3
Arsenic (As)
204
ug/L
1
1
EPA 200 8
08/16/2017 13 48
CWSPEN3
Cadmium (Cd)
< 1
ug/L
1
1
EPA 200 8
08/16/2017 13 48
CWSPEN3
Chromium (Cr)
< 1
ug/L
1
1
EPA 200 8
08/16/2017 13 48
CWSPEN3
Copper (Cu)
< 1
ug/L
1
1
EPA 200 8
08/16/2017 13 48
CWSPEN3
Lead (Pb)
< 1
ug/L
1
1
EPA 200 8
08/16/2017 13 48
CWSPEN3
Molybdenum (Mo)
< 1
ug/L
1
1
EPA 200 8
08/16/2017 13 48
CWSPEN3
Nickel (Ni)
1.42
ug/L
1
1
EPA 200 8
08/16/2017 13 48
CWSPEN3
Selenium (Se)
< 1
ug/L
1
1
EPA 200 8
08/16/2017 13 48
CWSPEN3
Thallium (TI) Low Level
0 344
ug/L
02
1
EPA 200 8
08/16/2017 13 48
CWSPEN3

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Order # J17080242
Site 104
Collection Date 08 -Aug -17 2 20 PM
Sample #:
Matrix
2017027391
NPDES
Analyte Result
Units Qualifiers RDL
DF
Method
Analysis Date/Time Analyst
Field Parameters (certification not covered under DPAL certification)
pH 450
SI Units
1
Field Work
Temperature 240
°C
1
Field Work
Specific Conductance 1080
us/cm
1
Field Work
Turbidity 819
NTU
1
Field Work
Flow NM
cfs
1
Field Work
TOTAL DISSOLVED SOLIDS
TDS 760
mg/L 25
1
SM2540C
08/09/2017 14 43 MGIGANT
TOTAL SUSPENDED SOLIDS
TSS <5
mg/L 5
1
SM2540D
08/11/2017 11 01 MGIGANT

Certificate of Laboratory Analysis
This report shall not be reproduced, except /n full
Order # J17080242
Site FIELD BLANK
Collection Date 08 -Aug -17 2 20 PM
Analyte Result Units Qualifiers RDL DF
MERCURY IN WATER - (Analysis Performed by Shealy Labs)
Vendor Parameter Complete
Sample #: 2017027392
Matrix NPDES
Analytical lab
Page 6 of 37
Method Analysis Date/Time Analyst
Vendor Method V_SHEALY

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Order # J17080242
Site Trip blank Sample #: 2017027393
Collection Date 08 -Aug -17 2 20 PM Matrix NPDES
Analyte Result Units Qualifiers RDL DF
MERCURY IN WATER - (Analysis Performed by Shealy Labs)
Vendor Parameter Complete
Method Analysis Date/Time Analyst
Vendor Method V_SHEALY

Certificate of Laboratory Analysis Analytical lab
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Order # J17080242
Level II QC Summary
Q17080237 C_NO2NO3 NITRITE + NITRATE (COLORIMETRIC)
Blank # 1
Parameter
Measured
Final
Units
Dil
RDL
Relative Concentration
Qualifier
Nitrite + Nitrate
00009
00009
mg-N/L
1
001
< 1/2 RDL
-
(Colorimetric)
Blank # 2
Parameter
Measured
Final
Units
Dil
RDL
Relative Concentration
Qualifier
Nitrite + Nitrate
00012
00012
mg-N/L
1
001
< 1/2 RDL
-
(Colorimetric)
Blank # 3
Parameter
Measured
Final
Units
Dil
RDL
Relative Concentration
Qualifier
Nitrite + Nitrate
00025
00025
mg-N/L
1
001
< 1/2 RDL
(Colorimetric)
LCS # 1
Parameter
Measured
Final
Units
Dil
Spike
% Recovery LCL
UCL
Qualifier
Nitrite + Nitrate
0 325
325
mg-N/L
10
301
108 90
110
(Colorimetric)
LCS # 2
Parameter
Measured
Final
Units
Dil
Spike
% Recovery LCL
UCL
Qualifier
Nitrite + Nitrate
0 321
321
mg-N/L
10
301
107 90
110
(Colorimetric)
LCS # 3
Parameter
Measured
Final
Units
Dil
Spike
% Recovery LCL
UCL
Qualifier
Nitrite + Nitrate
0 328
328
mg-N/L
10
301
109 90
110
(Colorimetric)
MS # 1
Parent Sample
J17070185
-- 2017023124
Parameter
Measured
Final
Units
Dil
Spike
% Recovery LCL
UCL
Qualifier
Nitrite + Nitrate
0 288
0 288
mg-N/L
1
025
931 90
110
-
(Colorimetric)
MSD #1
Parent Sample
J17070185
-- 2017023124
Parameter
Measured
Final
Units
Dil
Spike
% Recovery LCL
UCL
RPD Qualifier
Nitrite + Nitrate
0 294
0 294
mg-N/L
1
025
95 3 90
110
1 89 -
(Colorimetric)
MS 92
Parent Sample
J17080083
-- 2017026564
Parameter
Measured
Final
Units
Dil
Spike
% Recovery LCL
UCL
Qualifier
Nitrite + Nitrate
0 301
0 301
mg-N/L
1
025
90 7 90
110
(Colorimetric)
MSD #2
Parent Sample
J17080083
-- 2017026564
Parameter
Measured
Final
Units
Dil
Spike
% Recovery LCL
UCL
RPD Qualifier
Nitrite + Nitrate
0 3
0 3
mg-N/L
1
025
90 2 90
110
0 366 -
(Colorimetric)

Certificate of Laboratory Analysis Analytical lab
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Order # J17080242
Level II QC Summary
Q17080237 C_NO2NO3 NITRITE + NITRATE (COLORIMETRIC)
MS #3 Parent Sample J17080096 -- 2017026614
Parameter Measured Final Units Dtl Spike % Recovery LCL UCL Qualifier
Nitrite + Nitrate 0 394 0 394 mg-N/L 1 025 964 90 110 -
(Colorimetric)
MSD #3 Parent Sample J17080096 -- 2017026614
Parameter Measured Final Units Dil Spike % Recovery LCL UCL RPD Qualifier
Nitrite + Nitrate 0 396 0 396 mg-N/L 1 025 974 90 110 0 582
(Colorimetric)

Certificate of Laboratory Analysis
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Order # J17080242
Level II QC Summary
Q17080208 Dionex INORGANIC IONS BY IC
Blank # 1
ISD # 1
LCS #1
Analytical lab
Page 10 of 37
Parameter
Measured
Final
Units
Dil
RDL
Relative Concentration
Qualifier
Chloride
0 042
0 042
mg/L
1
01
< 1/2 RDL
-
Fluoride
0 034
0 034
mg/L
1
01
< 1/2 RDL
Sulfate
00095
00095
mg/L
1
01
< 1/2 RDL
-
Parameter
Measured
Final
Units
Dil
Spike
% Recovery
LCL
UCL
Qualifier
Chloride
779
779
mg/L
100
500
982
80
120
Fluoride
502
251
mg/L
5
25
97
80
120
Sulfate
6
600
mg/L
100
500
967
80
120
-
Parameter
Measured
Final
Units
Dil
Spike
% Recovery
LCL
UCL
RPD
Qualifier
Chloride
7 8
780
mg/L
100
500
984
80
120
0 188
-
Fluoride
5 04
25 2
mg/L
5
25
975
80
120
0 496
Sulfate
601
601
mg/L
100
500
969
80
120
0 224
Parameter
Measured
Final
Units
Dil
Spike
% Recovery
LCL
UCL
Qualifier
Chloride
4 71
4 71
mg/L
1
5
94 2
90
110
Fluoride
4 86
4 86
mg/L
1
5
972
90
110
Sulfate
4 78
478
mg/L
1
5
95 6
90
110

Certificate of Laboratory Analysis Analytical lab
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Order # J17080242
Level II QC Summary
Q17080267 ICP TRM TOTAL RECOVERABLE METALS BY ICP
Blank # 1
Parameter
Measured
Final
Units
Dil
RDL
Relative Concentration
Qualifier
Aluminum (AI)
000192
000192
mg/L
1
0 005
< 1/2 RDL
Barium (Ba)
000044
000044
mg/L
1
0 005
< 1/2 RDL
Boron (B)
000118
000118
mg/L
1
005
< 1/2 RDL
Calcium (Ca)
00162
00162
mg/L
1
001
> RDL
Iron (Fe)
000223
000223
mg/L
1
001
< 1/2 RDL
Magnesium (Mg)
000183
000183
mg/L
1
0 005
< 1/2 RDL
Manganese (Mn)
0000174
0000174
mg/L
1
0 005
< 1/2 RDL
Potassium (K)
00156
00156
mg/L
1
01
< 1/2 RDL
Sodium (Na)
000492
000492
mg/L
1
005
< 1/2 RDL
Zinc (Zn)
000108
000108
mg/L
1
0 005
< 1/2 RDL
LCS # 1
Parameter
Measured
Final
Units
Dil
Spike
% Recovery
LCL
UCL
Qualifier
Aluminum (AI)
4 99
4 99
mg/L
1
5
997
85
115
Barium (Ba)
502
5 02
mg/L
1
5
100
85
115
-
Boron (B)
492
492
mg/L
1
5
984
85
115
-
Calcium (Ca)
503
5 03
mg/L
1
5
101
85
115
-
Iron (Fe)
502
502
mg/L
1
5
100
85
115
-
Magnesium (Mg)
503
5 03
mg/L
1
5
101
85
115
-
Manganese (Mn)
504
5 04
mg/L
1
5
101
85
115
-
Potassium (K)
4 96
4 96
mg/L
1
5
993
85
115
-
Sodium (Na)
493
493
mg/L
1
5
98 7
85
115
-
Zinc (Zn)
5 06
506
mg/L
1
5
101
85
115
-
MS #I
Parent Sample
J17080242
-- 2017027391
Parameter
Measured
Final
Units
Dil
Spike
% Recovery
LCL
UCL
Qualifier
Aluminum (AI)
611
611
mg/L
1
5
957
70
130
Barium (Ba)
51
51
mg/L
1
5
101
70
130
Boron (B)
112
112
mg/L
1
5
94 6
70
130
-
Calcium (Ca)
11 4
114
mg/L
10
5
80
70
130
-
Iron (Fe)
523
523
mg/L
1
5
99 3
70
130
-
Magnesium (Mg)
48
48
mg/L
10
5
86
70
130
-
Manganese (Mn)
106
106
mg/L
1
5
963
70
130
-
Potassium (K)
966
966
mg/L
1
5
984
70
130
-
Sodium (Na)
139
139
mg/L
1
5
946
70
130
-
Zinc (Zn)
4 91
4 91
mg/L
1
5
979
70
130
-
MSD #1
Parent Sample
J17080242
-- 2017027391
Parameter
Measured
Final
Units
Dil
Spike
% Recovery
LCL
UCL
RPD Qualifier
Aluminum (Al)
586
586
mg/L
1
5
908
70
130
527

Certificate of Laboratory Analysis
This report shall not be reproduced, except in full
Order # J17080242
Level II QC Summary
Q17080267 ICP TRM TOTAL RECOVERABLE METALS BY ICP
lu kUWA i I
Parameter
Measured
Final
Units
Dd
Spike
Barium (Ba)
484
484
mg/L
1
5
Boron (B)
109
109
mg/L
1
5
Calcium (Ca)
114
114
mg/L
10
5
Iron (Fe)
497
497
mg/L
1
5
Magnesium (Mg)
48
48
mg/L
10
5
Manganese (Mn)
103
103
mg/L
1
5
Potassium (K)
938
938
mg/L
1
5
Sodium (Na)
137
137
mg/L
1
5
Zinc (Zn)
465
465
mg/L
1
5
Analytical lab
Page 12 of 37
Parent Sample J17080242 -- 2017027391
% Recovery
LCL
UCL
RPD Qualifier
95 6
70
130
527
88 9
70
130
619
80
70
130
0 -
94
70
130
542 -
86
70
130
0 -
91 2
70
130
544 -
92 9
70
130
573 -
89 6
70
130
549 -
92 8
70
130
528 -

Certificate of Laboratory Analysis Analytical lab
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This report shall not be reproduced, except in full
Order # A 7080242
Level II QC Summary
Q17080274 IMS TRM TOTAL RECOVERABLE METALS BY ICP -MS
Blank # 1
Parameter
Measured
Final
Units
Dil
RDL
Relative Concentration
Qualifier
Antimony (Sb)
0 017
0 017
ug/L
1
1
< 1/2 RDL
Arsenic (As)
0 035
0 035
ug/L
1
1
< 1/2 RDL
-
Cadmium (Cd)
0 001
0 001
ug/L
1
1
< 1/2 RDL
-
Chromium (Cr)
0 199
0 199
ug/L
1
1
< 1/2 RDL
-
Copper (Cu)
-0061
-0061
ug/L
1
1
< 1/2 RDL
-
Lead (Pb)
0 042
0 042
ug/L
1
1
< 1/2 RDL
-
Molybdenum (Mo)
0 011
0 011
ug/L
1
1
< 1/2 RDL
-
Nickel (Ni)
0 011
0 011
ug/L
1
1
< 1/2 RDL
-
Selenium (Se)
001
001
ug/L
1
1
< 1/2 RDL
-
Thallwm (TI) Low Level
-002
-002
ug/L
1
02
< 1/2 RDL
-
LCS # 1
Parameter
Measured
Final
Units
Dil
Spike
% Recovery
LCL
UCL Qualifier
Antimony (Sb)
49
49
ug/L
1
50
981
85
115 -
Arsenlc (As)
49
49
ug/L
1
50
98
85
115 -
Cadmium (Cd)
49
49
ug/L
1
50
98
85
115 -
Chromium (Cr)
495
49 5
ug/L
1
50
991
85
115 -
Copper (Cu)
489
489
ug/L
1
50
977
85
115 -
Lead (Pb)
48 6
486
ug/L
1
50
972
85
115 -
Molybdenum (Mo)
488
488
ug/L
1
50
977
85
115 -
Nickel (Ni)
493
493
ug/L
1
50
986
85
115 -
Selenium (Se)
481
481
ug/L
1
50
963
85
115 -
Thallium (TI) Low Level
469
469
ug/L
1
50
937
85
115 -
MS #I
Parent Sample
J17080242 -- 2017027391
Parameter
Measured
Final
Units
Dil
Spike
% Recovery
LCL
UCL Qualifier
Antimony (Sb)
508
508
ug/L
1
50
101
70
130
Arsenic (As)
528
528
ug/L
1
50
102
70
130 -
Cadmium (Cd)
49 7
497
ug/L
1
50
99
70
130 -
Chromium (Cr)
50
50
ug/L
1
50
992
70
130 -
Copper (Cu)
486
486
ug/L
1
50
963
70
130 -
Lead (Pb)
508
508
ug/L
1
50
100
70
130 -
Molybdenum (Mo)
509
509
ug/L
1
50
102
70
130 -
Nickel (Ni)
502
502
ug/L
1
50
976
70
130 -
Selenium (Se)
498
498
ug/L
1
50
989
70
130 -
Thallium (TI) Low Level
441
441
ug/L
1
50
875
70
130 -
MSD #1
Parent Sample
J 17080242 -- 2017027391
Parameter
Measured
Final
Units
Dil
Spike
% Recovery
LCL
UCL RPD Qualifier
Antimony (Sb)
481
481
ug/L
1
50
959
70
130 559 -

Certificate of Laboratory Analysis
Thls report shall not be reproduced, except In full
Order # A 7080242
Level II QC Summary
Q17080274 IMS TRM TOTAL RECOVERABLE METALS BY ICP -MS
MSD #1
LCL
UCL
RPD Qualifier
955
70
Parameter
Measured
Final
Units
Dd
Spike
Arsenic (As)
498
498
ug/L
1
50
Cadmium (Cd)
467
467
ug/L
1
50
Chromium (Cr)
468
468
ug/L
1
50
Copper (Cu)
457
457
ug/L
1
50
Lead (Pb)
476
476
ug/L
1
50
Molybdenum (Mo)
478
478
ug/L
1
50
Nickel (Ni)
475
475
ug/L
1
50
Selenium (Se)
465
465
ug/L
1
50
Thallium (TI) Low Level
423
423
ug/L
1
50
Analytical lab
Page 14 of 37
Parent Sample J17080242 -- 2017027391
% Recovery
LCL
UCL
RPD Qualifier
955
70
130
621 -
93
70
130
624 -
92 8
70
130
668 -
90 5
70
130
622 -
93 8
70
130
664 -
95 5
70
130
626 -
92 2
70
130
566 -
92 4
70
130
684 -
84
70
130
4 07 -

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Order # J17080242
Level II QC Summary
Q17080206 TDS TOTAL DISSOLVED SOLIDS
Blank # 1
Parameter Measured Final
TDS 0 0
Duplicate # 1
Parameter Measured Final
TDS 207 207
Duplicate # 2
Parameter Measured Final
TDS 287 287
LCS # 1
Parameter Measured Final
TDS 101 101
Units
Dil
RDL
Relative Concentration
Qualifier
mg/L
1
25
< 1/2 RDL
Parent Sample
J17070562 -- 2017025108
Units
Dil
RPD Qualifier
mg/L
1
144
Parent Sample
J17070562 -- 2017025109
Units
Dil
RPD Qualifier
mg/L
1
0 699 -
Units
Dil
Spike
% Recovery LCL
UCL Qualifier
mg/L
1
100
101 90
110

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Order # J17080242
Level II QC Summary
Q17080253 TSS
TOTAL SUSPENDED
SOLIDS
Blank # 1
Parameter
Measured
Final
Units
Dil
RDL
Relative Concentration
Qualifier
TSS
0
0
mg/L
1
5
< 1/2 RDL
Blank # 2
Parameter
Measured
Final
Units
Dil
RDL
Relative Concentration
Qualifier
TSS
0
0
mg/L
1
5
< 1/2 RDL
-
Duplicate # 1
Parent Sample
J17070045 -- 2017022414
Parameter
Measured
Final
Units
Dil
RPD Qualifier
TSS
32
32
mg/L
1
0
Duplicate # 2
Parent Sample
J17070118 -- 2017022736
Parameter
Measured
Final
Units
Dil
RPD Qualifier
TSS
7 8
7 8
mg/L
1
2 6 -
Duplicate # 3
Parent Sample
J17070148 -- 2017022823
Parameter
Measured
Final
Units
Dil
RPD Qualifier
TSS
3
3
mg/L
1
645
Duplicate #4
Parent Sample
J17070148 -- 2017022824
Parameter
Measured
Final
Units
Dil
RPD Qualifier
TSS
12
1 2
mg/L
1
182
Duplicate # 5
Parent Sample
J17070148 -- 2017022825
Parameter
Measured
Final
Units
Dil
RPD dualifier
TSS
6 4
64
mg/L
1
0
LCS #1
Parameter
Measured
Final
Units
Dil
Spike
% Recovery LCL
UCL Qualifier
TSS
476
476
mg/L
1
50
95 2 90
110

Analytical lab
Page 17 of 37
SHEALY ENVIRONMENTAL SERVICES, INC.
Report of Analysis
Duke Energy
13339 Hagers Ferry Rd
Bldg 7405
Huntersville, NC 28078
Attention Mary Ann Ogle
Project Name Marshall NPDES AOW
Project Number J17080242
Lot Number SH09053
Date Completed 08/14/2017
08/15/2017 1 52 PM
Approved and released by
Project Manager Grant Wilton
=�.Ap
"CC��6
LABORATORY
ACCREDITATION
BUREAU admsionofk50
RA
The electronic signature above is the equivalent of a handwritten signature
This report shall not be reproduced, except In Its entirety, without the written approval of Shealy Environmental Services, Inc
Shealy Environmental Services, Inc
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax[phone] www shealylab com
Page I of 20

Analytical lab
Page 18 of 37
SHEALY ENVIRONMENTAL SERVICES, INC.
SC DHEC No 32010 NELAC No E87653 NC DENR No 329 NC Field Parameters No 5639
Case Narrative
Duke Energy
Lot Number: SH09053
This Report of Analysis contains the analytical result(s) for the sample(s) listed on the Sample Summary following this Case Narrative
The sample receiving date is documented in the header Information associated with each sample
All results listed In this report relate only to the samples that are contained within this report
Sample receipt, sample analysis, and data review have been performed in accordance with the most current approved NELAC
standards, the Shealy Environmental Services, Inc ("Shealy") Quality Assurance Management Plan (QAMP), standard operating
procedures (SOPS), and Shealy policies Any exceptions to the NELAC standards, the QAMP, SOPS or policies are qualified on the
results page or discussed below
If you have any questions regarding this report please contact the Shealy Project Manager listed on the cover page
Shealy Environmental Services, Inc
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www shealylab com
Page 2 of 20

SHEALY ENVIRONMENTAL SERVICES, INC.
Sample Summary
Duke Energy
Lot Number: SH09053
Project Name: Marshall NPDES AOW
Project Number: J17080242
Sample Number
Sample ID
Matrix
Date Sampled
Date Received
001
2017027391
Aqueous
08/08/20171420
08/09/2017
002
2017027392
Aqueous
08/08/20171420
08/09/2017
003
2017027393
Aqueous
08/08/20171420
08/09/2017
(3 samples)
Shealy Environmental Services, Inc
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www shealylab com
Page 3 of 20

SHEALY ENVIRONMENTAL SERVICES, INC.
Detection Summary
Duke Energy
Lot Number: SH09053
Project Name: Marshall NPDES AOW
Project Number: J17080242
Sample Sample ID Matrix Parameter Method Result Q Units Page
001 2017027391 Aqueous Mercury (CVAFS) 1631E 337 ng/L 6
(1 detection)
Shealy Environmental Services, Inc
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www shealylab cam
Page 4 of 20

Inorganic non-metals
Client Duke Energy Laboratory ID SH09053-001
Description 2017027391 Matrix Aqueous
Date Sampled 08/08/2017 1420 Project Name Marshall NPDES AOW
Date Received 08/09/2017 Protect Number J17080242
Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch
1 (Alkalinity) SM 2320B-2011 1 08/10/2017 1711 MSG 48982
1 (Bicarbonate ) SM 2320B-2011 1 08/10/2017 1711 MSG
1 (Carbonate AI) SM 2320B-2011 1 08/10/2017 1711 MSG
LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range Q = Surrogate failure
NO = Not detected at or above the LOQ N = Recovery is out of criteria P = The RPD between two GC columns exceeds 40% L = LCS/LCSD failure
H = Out of holding time W = Reported on wet weight basis S = MS/MSD failure
Shealy Environmental Services, Inc
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www shealylab corn
Page 5 of 20
CAS Analytical
Parameter
Number Method
Result Q
LOQ
Units Run
Alkalinity
SM 2320B-20
ND
10
mg/L 1
Bicarbonate Alkalinity
SM 2320B-20
ND
10
mg/L 1
Carbonate Alkalinity
SM 2320B-20
ND
10
mg/L 1
LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range Q = Surrogate failure
NO = Not detected at or above the LOQ N = Recovery is out of criteria P = The RPD between two GC columns exceeds 40% L = LCS/LCSD failure
H = Out of holding time W = Reported on wet weight basis S = MS/MSD failure
Shealy Environmental Services, Inc
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www shealylab corn
Page 5 of 20

Mercury (CVAFS)
Client Duke Energy Laboratory ID SH09053-001
Description 2017027391 Matrix Aqueous
Date Sampled 08/08/2017 1420 Project Name Marshall NPDES AOW
Date Received 08/09/2017 Project Number J17080242
Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch
1 1631 E 1 08/11/2017 2149 SLS 08/10/2017 0118 48792
CAS Analytical
Parameter Number Method Result Q LOQ Units Run
Mercury (CVAFS) 7439-97-6 1631E 337 0 500 ng/L 1
LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range Q = Surrogate failure
ND = Not detected at or above the LOQ N = Recovery is out of criteria P = The RPD between two GC columns exceeds 40% L = LCS/LCSD failure
H = Out of holding time W = Reported on wet weight basis S = MS/MSD failure
Shealy Environmental Services, Inc
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www shealylab corn
Page 6 of 20

Mercury (CVAFS)
Client Duke Energy Laboratory ID SH09053-002
Description 2017027392 Matrix Aqueous
Date Sampled 08/08/2017 1420 Project Name Marshall NPDES AOW
)ate Received 08/09/2017 Project Number J17080242
Run Prep Method Analytical Method Dilution Analysts Date Analyst Prep Date Batch
1 1631E 1 08/11/2017 2202 SLS 08/10/2017 0118 48792
CAS Analytical
Parameter Number Method Result Q LOQ Units Run
Mercury (CVAFS) 7439-97-6 1631 E ND 0 500 ng/L 1
LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range Q = Surrogate failure
NO = Not detected at or above the LOQ N = Recovery is out of criteria P = The RPD between two GC columns exceeds 40% L = LCS/LCSD failure
H = Out of holding time W = Reported on wet weight basis S = MS/MSD failure
Shealy Environmental Services, Inc
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www shealylab com
Page 7 of 20

Mercury (CVAFS)
Client Duke Energy Laboratory ID SH09053-003
Description 2017027393 Matrix Aqueous
Date Sampled 08/08/2017 1420 Project Name Marshall NPDES AOW
Date Received 08/09/2017 Project Number J17080242
Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch
1 1631 E 1 08/11/2017 2206 SLS 08/10/2017 0118 48792
CAS Analytical
Parameter Number Method Result Q LOQ Units Run
Mercury (CVAFS) 7439-97-6 1631E ND 0 500 ng/L 1
LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range Q = Surrogate failure
NO = Not detected at or above the LOQ N = Recovery is out of critena P = The RPD between two GC columns exceeds 40% L = LCS/LCSD failure
H = Out of holding time W = Reported on wet weight basis S = MS/MSD failure
Shealy Environmental Services, Inc
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www shealylab corn
Page 8 of 20

QC Summary
Shealy Environmental Services, Inc QC Data for Lot Number SH09053
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www shealylab cam
Page 9 of 20

Inorganic non-metals - MB
Sample ID SQ48982-001 Matrix Aqueous
Batch48982
Analytical Method SM 23206-2011
Parameter Result Q Dil LOQ Units Analysts Date
Alkalinity ND 1 10 mg/L 08/10/20171700
LOQ = Limit of Quantitation P = The RPD between two GC columns exceeds 40% N = Recovery is out of criteria
DL = Detection Limit J = Estimated result < LOQ and > DL + = RPD is out of criteria
LOD = Limit of Detection ND = Not detected at or above the LOQ
Note Calculations are performed before rounding to avoid round -off errors to calculated results
Shealy Environmental Services, Inc QC Data for Lot Number SH09053
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www shealylab corn
Page 10 of 20

Inorganic non-metals - LCS
Sample ID SQ48982-002 Matrix Aqueous
Batch48982
Analytical Method SM 232OB-2011
Spike
Amount Result % Rec
Parameter (mg/L) (mg/L) Q Dil % Rec Limit Analysis Date
Alkalinity 100 110 1 105 90-110 08/10/20171707
LOQ = Limit of Quantitation P = The RPD between two GC columns exceeds 40% N = Recovery is out of criteria
DL = Detection Limit J = Estimated result < LOQ and > DL + = RPD is out of criteria
LOD = Limit of Detection NO = Not detected at or above the LOQ
Note Calculations are performed before rounding to avoid round -off errors in calculated results
Shealy Environmental Services, Inc QC Data for Lot Number- SH09O53
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www shealylab corn
Page 11 of 20

Inorganic non-metals - Duplicate
Sample ID SH09053-001 DU Matrix Aqueous
Batch48982
Analytical Method SM 2320B-2011
Sample
Amount Result % RPD
Parameter (mg/L) (mg/L) Q Dil % RPD Limit Analysis Date
Alkalinity ND ND 1 000 20 08/10/2017 1715
LOQ = Limit of Quantitation P = The RPD between two GC columns exceeds 40% N = Recovery is out of criteria
DL = Detection Limit J = Estimated result < LOQ and > DL + = RPD is out of criteria
LOD = Limit of Detection NO = Not detected at or above the LOQ
Note Calculations are performed before rounding to avoid round -off errors in calculated results
Shealy Environmental Services, Inc QC Data for Lot Number SH09053
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www shealylab corn
Page 12 of 20

Mercury (CVAFS) - MB
Sample ID: SQ48792-001 Matrix Aqueous
Batch48792 Prep Method 1631E
Analytical Method 1631E Prep Date 08/10/2017 118
Parameter Result Q Dil LOQ Units Analysis Date
Mercury (CVAFS) ND 1 0 500 ng/L 08/11/2017 2140
LOQ = Limit of Quantitation
DL = Detection Limit
LOD = Limit of Detection
P = The RPD between two GC columns exceeds 40% N = Recovery is out of criteria
J = Estimated result < LOQ and > DL + = RPD is out of criteria
ND = Not detected at or above the LOQ
Note Calculations are performed before rounding to avoid round -off errors in calculated results
Shealy Environmental Services, Inc
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www shealylab corn
Page 13 of 20
QC Data for Lot Number. SH09053

Mercury (CVAFS) - LCS
Sample ID SQ48792-002 Matrix Aqueous
Batch48792 PrepMethod- 1631E
Analytical Method- 1631E Prep Date 08/10/2017 118
Spike
Amount Result % Rec
Parameter (ng/L) (ng/L) Q Dil % Rec Limit Analysis Date
Mercury (CVAFS) 500 524 1 105 75-125 08/11/2017 2144
LOQ = Limit of Quantitation
DL = Detection Limit
LOD = Limit of Detection
P = The RPD between two GC columns exceeds 40% N = Recovery is out of criteria
J = Estimated result < LOQ and > DL + = RPD is out of criteria
ND = Not detected at or above the LOQ
Note Calculations are performed before rounding to avoid round -off errors in calculated results
Shealy Environmental Services, Inc
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www shealylab com
Page 14 of 20
QC Data for Lot Number SH09053

Mercury (CVAFS) - MS
Sample ID. SH09053-001MS Matrix Aqueous
Batch48792 Prep Method 1631E
Analytical Method 1631E Prep Date 08/10/2017 118
Sample Spike
Amount Amount Result % Rec
Parameter (ng/L) (ng/L) (ng/L) Q Dil % Rec Limit Analysis Date
Mercury (CVAFS) 337 500 764 1 85 71-125 08/11/2017 2153
LOQ = Limit of Quantitation P = The RPD between two GC columns exceeds 40% N = Recovery is out of criteria
DL = Detection Limit J = Estimated result < LOQ and > DL + = RPD is out of criteria
LOD = Limit of Detection NO = Not detected at or above the LOQ
Note. Calculations are performed before rounding to avoid round -off errors in calculated results
Shealy Environmental Services, Inc QC Data for Lot Number SH09053
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www shealylab corn
Page 15 of 20

Mercury (CVAFS) - MSD
Sample ID- SH09053-001 MD
Matrix Aqueous
Batch48792
Prep Method. 1631E
Analytical Method 1631E
Prep Date 08/10/2017 118
Sample
Spike
Amount
Amount
Result % Rec % RPD
Parameter
(ng/L)
(ng/L)
(ng/L) Q Dil % Rec % RPD Limit Limit Analysis Date
Mercury (CVAFS)
337
500
783 1 89 25 71-125 24 08/11/2017 2157
LOQ = Limit of Quantitation P = The RPD between two GC columns exceeds 40% N = Recovery is out of criteria
DL = Detection Limit J = Estimated result < L00 and > DL + = RPD is out of criteria
LOD = Limit of Detection ND = Not detected at or above the LOQ
Note Calculations are performed before rounding to avoid round -off errors in calculated results
Shealy Environmental Services, Inc QC Data for Lot Number. SH09053
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www shealylab com
Page 16 of 20

Chain of Custody
and
Miscellaneous Documents
Shealy Environmental Services, Inc
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www shealylab com
Page 17 of 20

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6. Wc c sans ]c IDs listed on the C UC?
yes.L;r-
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7, 'Were sam le IDs listed on all sample containers?
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8. Was collection date & time listed tui the COC?
k'esp^-
No ❑
9 Was collection date & time listed on all sama�le�containers?
Yelp-
No u
10. Did all container label infortntttion (ID, date, line) agree with die COC?
Yes p•''
NQ ❑
11. «Were tests to be pei founed listed ori the COC?
Yc r
no D
12. Did all samples arrive in die proper containers for each test and+ar in good condition
(unbioken, lids on, etc-)?
yes2L
No ❑
13 Was adequate sample voluine avallable?
y e&U—
1\o 0
14 Fere all samples received witliin r/ lbe holding time ur 48 huur3, wh1ChcNcr eoinc5 first?
Yes t7
Nuiz--
No o NA�g
1 S. W ere any samples containers missmg�cxce`s (circle one) samples Not listed on COM
16. Were bttbbtes present>` Pt:a-size" ('fa"or 6nim in diaincter) in any WA vials?
l'es ❑
l'=ti ❑
NO 0 NA17,
Were 411 DROhrietalsfnutrieni swiliplt receivL J al a pH of -- 2?
Y4s 0Nu
❑_ ref a Si.-
18. VS%eie all cyanide samples received at a pH 2:- 12 and Sulfide sampler; received al a pH > 9'
Y. -s u
No o MA in
19 Wele all applicable NH3i'I'Ke 'cyailidelplieilp],B' iNA (< 0.5iriWQ sampltis frty of rtsidual
Ycs ❑
No ❑ NA
20. Wore vollw(iun (c;mptwd(u.cs docurrimted on the COC for NC samples?
�`' es 13
'aa ❑ N'4p
21. �Jril client nrr►i,rks+r<xlt�cstti (i.u, rurpmnted dilutions, M.&IMSD designations,
coriectl), I:ranscrtbed from the COC into the coirtment section in LIMS?
Yes u
Nc'Lr�
22. Rias the quote number used taken from the conrainer label!
Sample Preservation tI+ ml be completed for any ranililc:(s) incorree% preserved or with howdspaee.)
samples)
satrr)le receiving with
v, v= received incorrectly prmcrvcd and were adjusted accotdnigly in
(1-1i SO,, IIN6,, 1TO, Na011) using :SR #
Sample(s)
were received with bubble,- >6 nun in diameter.
SainplC-C(s) were received with TRC 3 0.5 erne L (If i? 1 is No) and were
,id usled flixordingly in stimptu r milving with sodium Ibiosulrale (Na2$203) widi 5h,%ly JR - -
SC Drinking-Wdcer Proiwc Sainple(s) pH verified to ba < 2 by -__ -----------_-_ . --- Bate.
Satin lets) tirere Not received ata pli of �, 2 and vicre adjusted accordm l r trying SR9
Sample labels applied by:
_ Datc: =/ -
Shealy Environmental Services, Inc
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www shealylab com
Page 20 of 20

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CHAIN OF CUSTODY RECORD AND ANALYSIS REQUEST FORM
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Analytical lab
Duke Energy"E".,pyArartic� L b. 1.y�I
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Page
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37 of 37
- ------ --- -- ------... - ---TOTAL
a.r rs. tomos raon
Analytical Laboratory ,anr,.e«. r«,r rm
I w N tris NPDES
+ 2
uar...er�
scNC--
DISTRIBUTION
_1_
ORIGINAL
Cut"
Chain of Cu.
Set
SAMPLE vaoeAAs
had
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waeera ar O.t.mnr
Aec 7m.;_
Accepted OV: --.. Dai. t: a --- - - -
s.ai.eaarw t�.r.d ay o.t. r
M
Cr, Cu, No, NI, Pb, Sb, Se (CRC Method) TI (low Mrel) Total Nardss
to 1A8,
COPY to
CLIENT
Tool � 13
Ste• _ ra Ri1Wr
ELEMENTS by ICP [Dipastad TRMg A(, Ca, Ba, 8,
Fe, 1111p, Mn, K, Na, Zn Phase copy Th Hunsucker on
C—W.NPOFS
Add. Cast Wd Apply
NPDES-AOW
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T
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Un—
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SHEALY
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PO 5021013 Fatr.•on (OAS enu
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rimer �+
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NA
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Containervoltsme(rnL) 1350 ZON
210 300 260
FIELD MEASUREMENTS
40
See
-�
Contatn•r Type ,RPE Per
PET
PET NOPE
Glass
mom
1
SamphD•fCfl{ki011 Of ID
Cu,tome to co^ Ul appmpd. e
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COINctlon eNorrtwien $ . to
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--jV
- ------ --- -- ------... - ---TOTAL
2 1 1
1
•
4_.
Set
had
I Dweinma I
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waeera ar O.t.mnr
Aec 7m.;_
Accepted OV: --.. Dai. t: a --- - - -
s.ai.eaarw t�.r.d ay o.t. r
M
Cr, Cu, No, NI, Pb, Sb, Se (CRC Method) TI (low Mrel) Total Nardss
n 2
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Requesmmmd Tuaund
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LII
Da ys _
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Tool � 13
— ELEMENTS by ICP–W (0iaeetad•TR1Q: As, Cd,
ELEMENTS by ICP [Dipastad TRMg A(, Ca, Ba, 8,
Fe, 1111p, Mn, K, Na, Zn Phase copy Th Hunsucker on
excel EDD result
Add. Cast Wd Apply
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