3619_DukeAllen_NSLF_Q3_2024_Semiannual ECMR_FID1920083_20241230

(' DUKE
ENERGY-.
December 30, 2024
North Carolina Department of Environmental Quality
Division of Waste Management
Solid Waste Section
2090 U.S. Highway 70
Swannanoa, NC 28778
Attn: Ms. Sarah Moutos (submitted electronically)
Re: Environmental Controls Monitoring Semi -Annual Report
North Starter Landfill and Leachate Basin
Permit No.: 3619-INDUS-2021
Allen Steam Station
Gaston County, North Carolina
Dear Ms. Moutos:
525 S. Tryon St.
Mail Code: DEP-36A
Charlotte NC, 28202
In accordance with the Environmental Control Monitoring Plan (ECMP) Revision 2, Duke Energy is providing
the results of semi-annual leachate and construction drain sampling and leak detection system (LDS)
monitoring results for the Allen Steam Station North Starter Landfill (NSLF), located near Belmont, in
Gaston County, North Carolina.
On September 3, 2024, leachate samples were collected from the NSLF leachate collection system (LCS) and
construction drain, as well as the leachate basin. The samples were collected by Duke Energy personnel and
analyzed by the Duke Energy Analytical Laboratory. A summary of sampling results can be found in the
attached Report along with the LDS monitoring results. The parameters tested are not bound by state
groundwater or surface water standards. From the leachate basin, leachate is currently conveyed to the
Station's lined retention basin (LRB), which discharges via a NPDES wastewater permitted outfall. All
laboratory analytical and field results are provided in the appendices of the Report.
Allen Steam Station's NSLF is sampled semi-annually during March and September. The next landfill
sampling event is scheduled for March 2025 with documentation to follow.
If you need additional information regarding this submittal do not hesitate to email or call me at
[e-mail] or [phone].
Respectfully,
&4�ofl"
Courtney W. Murphy, P.G.
Environmental Services
www.duke-energy.com Page 1 of 2

Attachments: Environmental Controls Monitoring Semiannual Report — April 2024 through September
2024 (SynTerra, December 30, 2024)
cc (via e-mail): Jordan Russ, NCDEQ
Elizabeth Werner, NCDEQ
Sherri Stanley, NCDEQ
Scott Harris, Duke Energy
Sheila Westcott, Duke Energy
Kenneth McKinney, Duke Energy
Tyler Hardin, Duke Energy
Kim Witt, Duke Energy
www.duke-energy.com Page 2 of 2

DENR USE ONLY [:]Paper Report []Electronic Data - Email CD (data loaded: Yes / No) Doc/Event#:
NC DENR Environmental Monitoring
Division of Waste Management - Solid Waste Reporting Form
Notice: This form and any information attached to it are "Public Records" as defined in NC General Statute 132-1. As such, these documents are
available for inspection and examination by any person upon request (NC General Statute 132-6).
Instructions:
• Prepare one form for each individually monitored unit.
• Please type or print legibly.
• Attach a notification table with values that attain or exceed NC 2L groundwater standards or NC 2B surface water standards. The notification
must include a preliminary analysis of the cause and significance of each value. (e.g. naturally occurring, off -site source, pre-existing
condition, etc.).
• Attach a notification table of any groundwater or surface water values that equal or exceed the reporting limits.
• Attach a notification table of any methane gas values that attain or exceed explosive gas levels. This includes any structures on or nearby the
facility (NCAC 13B .1629 (4)(a)(i).
• Send the original signed and sealed form, any tables, and Electronic Data Deliverable to: Compliance Unit, NCDENR-DWM, Solid Waste
Section, 1646 Mail Service Center, Raleigh, NC 27699-1646.
Solid Waste Monitoring Data Submittal Information
Name of entity submitting data (laboratory, consultant, facility owner):
Duke Energy Carolinas, LLC
Contact for questions about data formatting. Include data preparer's name, telephone number and E-mail address:
Name: Brooke Patton
E-mail: bbpatton(a)synterracorp.com
Phone: [phone]
NC Landfill Rule: Actual sampling dates (e.g.,
Facility name: Facility Address: Facility Permit# (.0500 or .1600) October 20-24, 2006)
Duke Energy Carolinas, LLC
Allen Steam Station Terrell,
East North
Carolina
L19 .0500 September 3, 2024
Industrial Landfill No. 1 Terrell, North Carolina 28682
Environmental Status: (Check all that apply)
X❑ Initial/Background Monitoring ❑X Detection Monitoring ❑ Assessment Monitoring ❑ Corrective Action
of data submitted: (Check all thatapply)
Groundwater monitoring data from monitoring wells ❑
Groundwater monitoring data from private water supply wells ❑
Leachate monitoring data ❑
Surface water monitoring data
Methane gas monitoring data
Corrective action data (specify)
Other(specify)
Notification attached?
B No. No groundwater or surface water standards were exceeded.
Yes, a notification of values exceeding a groundwater or surface water standard is attached. It includes a list of groundwater and surface water
monitoring points, dates, analytical values, NC 2L groundwater standard, NC 2B surface water standard or NC Solid Waste GWPS and
preliminary analysis of the cause and significance of any concentration.
❑ Yes, a notification of values exceeding an explosive methane gas limit is attached. It includes the methane monitoring points, dates, sample
values and explosive methane gas limits.
Certification
To the best of my knowledge, the information reported and statements made on this data submittal and attachments are true and correct.
Furthermore, I have attached complete notification of any sampling values meeting or exceeding groundwater standards or explosive gas
levels, and a preliminary analysis of the cause and significance of concentrations exceeding groundwater standards. I am aware that there
are significant penalties for making any false statement, representation, or certification including the possibility of a fine and imprisonment.
Christopher Suttell Senior Project Manager [phone]
Facility Represe ative Name (Print) Title (Area Code) Telephone Number
%9 12/30/2024 Affix NC Licensed/ Professional Geologist Seal
Signature Date
148 River Street, Suite 220, Greenville, SC 29601
Facility Representative Address
C-1478 / North Carolina Corporation Number C-387
NC PE Firm License Number (if applicable effective May 1, 2009)
Revised 6/2009

REPORT VERIFICATION
PROJECT: ENVIRONMENTAL CONTROLS MONITORING SEMIANNUAL REPORT
ALLEN STEAM STATION
NORTH STARTER LANDFILL
PERMIT NO. 3619-INDUS
TITLE: ENVIRONMENTAL CONTROLS MONITORING SEMIANNUAL REPORT
This document has been reviewed for accuracy and quality commensurate with the intended
application.
Prepared by:
Approved by:
Project Manager: Christopher Suttell, NC L.G. #2426
Date: 12/30/2024
Date: 12/30/2024
Licensed Geologist Seal:
SynTerra
148 River Street, Suite 220
Greenville, SC 29601
North Carolina Geological Corporation Number C-387

Environmental Controls Monitoring
Semiannual Report
April 2024 through September 2024
Allen Steam Station
North Starter Landfill (3619-INDUS)
Gaston County, North Carolina
( DUKE
ENERGY.
CAROLINAS
Duke Energy Carolinas, LLC
December 30, 2024
Kathryn W. Webb
Senior Peer Review
tc Q,
¢�ye.natpsrrr
Brooke Patton
Project Scientist
Chris Suttell
roject Manager

Environmental Controls Monitoring Semiannual Report April 2024 through September 2024
North Starter Landfill 3619-INDUS
Table of Contents
1.0
Background.................................................................................................................................1
1.1
Site Description.................................................................................................................................
1
1.1.1 Landfill.......................................................................................................................................1
1.1.2 Leachate Basin..........................................................................................................................
2
1.1.3 Construction Drain.....................................................................................................................2
1.1.4 Surface Water............................................................................................................................
2
1.2
Summary of Site Geology and Hydrology.........................................................................................
3
2.0
Monitoring, Sampling, and Analysis Locations and Methods
....................................................... 4
2.1
Leak Detection System Monitoring...................................................................................................
4
2.2
Leachate Sampling and Analysis......................................................................................................
4
2.3
Construction Drain Outlet Sampling and Analysis............................................................................
5
2.4
Surface Water Sampling and Analysis.............................................................................................
5
3.0
Monitoring, Sampling, and Analysis Results................................................................................
6
3.1
Leak Detection System Monitoring Results......................................................................................
6
3.2
Leachate and Analytical Results.......................................................................................................
6
3.3
Construction Drain Outlet Analytical Results....................................................................................
6
3.4
Surface Water Analytical Results.....................................................................................................
7
4.0
References..................................................................................................................................8
Page i

Environmental Controls Monitoring Semiannual Report April 2024 through September 2024
North Starter Landfill 3619-INDUS
List of Drawings
Drawing 1 Site Location Map
Drawing 2 Monitoring Locations
List of Tables
Table 1A Leak Detection System Monitoring Results — North Starter Landfill
Table 1 B Leak Detection System Monitoring Results — Leachate Basin
Table 2 Leachate Analytical Results — September 3, 2024
Table 3 Construction Drain Outlet Analytical Results — September 3, 2024
List of Appendices
Appendix A Field Calibration and Sampling Forms
Appendix B Laboratory Reports, Data Validation Checklists, and Chain -of -Custody Forms
Page ii

Environmental Controls Monitoring Semiannual Report April 2024 through September 2024
North Starter Landfill 3619-INDUS
1.0 Background
This Environmental Controls Monitoring Semiannual Report is for the North Starter Landfill (NSLF or
landfill; 3619-INDUS) located at the Duke Energy Carolinas, LLC (Duke Energy) Allen Steam Station
(Allen, Plant, or Site). Monitoring results in this report are for the period of April 2024 through
September 2024.
The Environmental Controls Monitoring Plan (ECMP) establishes locations and procedures for
monitoring the early detection of solid waste or leachate potentially released to the environment from
the NSLF. The Environmental Control Monitoring Plan, Revision 2 Update (ECMP, Revision 2 Update;
SynTerra, 2023) was submitted to the North Carolina Department of Environmental Quality (NCDEQ)
Division of Waste Management (DWM) on July 19, 2023, and was approved by the DWM on July 26,
2023. The September 2024 monitoring event (second semiannual monitoring event) and this report
comply with the ECMP, Revision 2 Update (SynTerra, 2023).
The landfill is designed and constructed in accordance with North Carolina General Statute (NCGS)
130A § 295.4 for Combustion Products Landfills. This report is intended to satisfy the water quality
monitoring plan required by North Carolina Administrative Code (NCAC) Title 15A Subchapter 13B
.0504(c)(8)(D) in accordance with NCGS 130A § 295.4(c).
1.1 Site Description
Additional Site description information can be found in Section 1.1 of the ECMP, Revision 2
Update (SynTerra, 2023).
1.1.1 Landfill
The approximately 25-acre landfill is located partially within the western portion of the
Retired Ash Basin (RAB) (Drawing 1). The NSLF is bound by Plant Allen Road to the
north, the RAB to the south and east (specifically the Distribution of Residual Solids
[DORS] Fills to the east), and upland areas to the west (Drawing 2).
The engineered base liner system of the landfill is designed and constructed with a
leachate collection and removal system above the primary liner and a leak detection
system (LDS) to monitor performance of the primary liner to prevent a release to the
environment.
The majority of waste intended for placement throughout the life of the landfill consists of
coal combustion residuals (CCR), predominantly fly ash and bottom ash. The approved
waste streams are in the Operations Plan - Allen Steam Station North Starter Landfill
(3619-INDUS) Revision 0 (Operations Plan; AECOM, 2020).
Interim approval to place CCR as interim cover in the NSLF was granted by NCDEQ in a
letter dated October 2, 2024. Final approval of NSLF operations was granted on
December 13, 2023, upon receipt of NCDEQ's approval of the NSLF Construction
Certification Report, Volumes 1 through 4 (FID 1812557, 1818489, 1818100, and
1821726), which contained construction quality assurance information. The landfill
began operating on December 14, 2023.
Page 1

Environmental Controls Monitoring Semiannual Report April 2024 through September 2024
North Starter Landfill 3619-INDUS
1.1.2 Leachate Basin
The approximate 3-acre Leachate Basin is located within the northwestern portion of the
Active Ash Basin (AAB) and is bounded by the RAB to the north, AAB to the east and
south, and upland areas to the west (Drawing 2).
Leachate is conveyed from the NSLF to the Leachate Basin via a force main piping
network. The Leachate Basin ties into an existing 36-inch wastewater force main where
it is comingled with Plant wastewater and subsequently sent to the Lined Retention
Basin (LRB) for treatment. Flows from the LRB are discharged to the Catawba River
(Lake Wylie) through Outfall 006 in accordance with National Pollutant Discharge
Elimination System (NPDES) Permit NC0004979 (Drawing 2). The Leachate Basin
engineered base liner is designed with an LDS to monitor the integrity of the liner
system.
Interim approval for operation of a temporary pumping system and to place CCR as
interim cover in the Leachate Basin was granted by NCDEQ in a letter dated October 2,
2024. Final approval of Leachate Basin operation was granted on November 14, 2023,
after the permanent pumping system was in place and upon receipt of NCDEQ's
approval of the Leachate Basin Construction Certification Report, Volumes 1 through 3
(FID 1776828, 1818490, and 1820954) which contained construction quality assurance
information. The Leachate Basin began operating on November 14, 2023.
1.1.3 Construction Drain
The NSLF is constructed with a network of 6-inch high -density polyethylene (HDPE) DR-
11 perforated pipes located laterally under the NSLF's bottom liner in the southeastern
portion of the landfill (Drawing 2). The pipes are surrounded by 6 inches of stone with a
geotextile wrap and convey collected groundwater for discharge via 6-inch solid HDPE
DR-11 piping. The construction drain inverts are designed to be 5 feet below the base of
the compacted soil liner elevation. The construction drain was completed in June 2022
and has been operational since that time.
Construction drain outlet sample locations are designated as ALN-NSLF-CD1 and ALN-
NSLF-CD2 and are at the terminus of discharge pipes located south of the southeastern
corner of the NSLF (Drawing 2). At the time of this report, ALN-NSLF-CD1 is sealed off
with a blind flange and is not anticipated to be used for construction drain discharge for
the remaining duration of construction drain operation. Therefore, construction drain
discharge samples are currently collected from ALN-NSLF-CD2; however, in special
cases, construction drain discharge flows could be switched to ALN-NSLF-CD1 if
needed. Only one construction drain discharge pipe is anticipated to be operational at a
time.
1.1.4 Surface Water
Stormwater in the vicinity of the NSLF is directed via channels around the perimeter of
the landfill to an NPDES-permitted wastewater unit or NPDES-permitted outfall.
Page 2

Environmental Controls Monitoring Semiannual Report April 2024 through September 2024
North Starter Landfill 3619-INDUS
1.2 Summary of Site Geology and Hydrology
The groundwater system at Allen is consistent with the regolith-fractured rock system and is
characterized as an unconfined, interconnected aquifer system indicative of the Piedmont
physiographic province in which the Site is contained. The groundwater system at the Site is
divided into the following three layers to distinguish the interconnected groundwater system:
the shallow flow zone, the deep (transition zone) flow zone, and the bedrock flow zone.
The ash basins, DORS fills (which includes two ash storage areas and two structural fills),
RAB Ash Landfill, NSLF, and Leachate Basin are contained within former perennial stream
valleys (flow compartment) (Drawing 1). Groundwater within the flow compartment is a flow -
through system. Groundwater enters the system from the upgradient end near the NSLF and
flows beneath the NSLF and laterally through the central portion of the system and downward
near the RAB dam. Beyond the dam, groundwater flows toward and discharges to the
Catawba River (Lake Wylie).
A groundwater divide is located primarily west of the Site, upgradient of the NSLF and roughly
follows topography along South Point Road and topographic highs north of the RAB along
Plant Allen Road to the Discharge Canal and south of the AAB near Reese Wilson Road. The
topographically controlled flow direction provides natural hydraulic control of groundwater in
the vicinity of the NSLF, ash basins, and adjacent sources within the flow compartment.
Page 3

Environmental Controls Monitoring Semiannual Report April 2024 through September 2024
North Starter Landfill 3619-INDUS
2.0 Monitoring, Sampling, and Analysis Locations and Methods
2.1 Leak Detection System Monitoring
Leak detection monitoring occurs in the vicinity of the landfill sump (ALN-NSLF-LDS1) and in
the vicinity of the Leachate Basin (ALN-LDSC) (Drawing 2).
Performance of the LDS is determined by the average monthly quantity of liquid removed from
the leak detection layer. Each leak detection discharge pump is equipped with a pump totalizer
(flow meter). The flow meter rates were monitored and recorded as defined in the Operations
Plan (AECOM, 2020).
Leak detection monitoring results are summarized in Section 3.1.
2.2 Leachate Sampling and Analysis
A discrete leachate sample was collected from location ALN-NSLF-LCS1, located in the
vicinity of the landfill sump from the leachate collection discharge. A comprehensive leachate
sample was collected from the Leachate Basin sump (ALN-LCSC) located in the vicinity of the
corresponding sump header. Both samples were collected on September 3, 2024. Leachate
sample locations are shown on Drawing 2.
Duke Energy personnel collected samples and documented the sampling in accordance with
procedures provided in Duke Energy's Landfill Sample Collection Guideline (SynTerra, 2023
Appendix 1).
Copies of the field calibration and sampling forms are included in Appendix A. The
parameters and constituents reported were sampled in accordance with Table 1 of the
approved ECMP. The Duke Energy Analytical Laboratory (North Carolina Laboratory
Certification #248) analyzed the constituents. The laboratory report and chain -of -custody
(COC) forms are included in Appendix B.
The leachate samples were measured for the following parameters in the field:
• pH, specific conductivity, temperature, dissolved oxygen, oxidation-reduction potential
using a water quality meter
• Turbidity using a turbidity meter
The leachate samples were analyzed in the laboratory for the following constituents:
• Barium, boron, calcium, iron, lithium, magnesium, manganese, and zinc using U.S.
Environmental Protection Agency (USEPA) Method 6010D
• Antimony, arsenic, beryllium, cadmium, chromium, cobalt, copper, lead, molybdenum,
nickel, selenium, thallium, and vanadium using USEPA Method 6020B
• Chloride, fluoride, nitrate (as nitrogen), and sulfate using USEPA Method 9056A
• Mercury using USEPA Method 7470A
• Silver using USEPA Method 6020A
• Total dissolved solids using Standard Method (SM) 2540C
Leachate field parameters and analytical results are summarized in Section 3.2.
Page 4

Environmental Controls Monitoring Semiannual Report April 2024 through September 2024
North Starter Landfill 3619-INDUS
2.3 Construction Drain Outlet Sampling and Analysis
A construction drain outlet sample was collected from sample location ALN-NSLF-CD2 on
September 3, 2024 (Drawing 2).
Copies of the field calibration and sampling forms are included in Appendix A. The
parameters and constituents reported were sampled in accordance with Table 1 of the
approved ECMP. The Duke Energy Analytical Laboratory analyzed the constituents. The
laboratory report and COC forms are included in Appendix B.
The construction drain outlet sample was measured for the same set of parameters and
constituents as the leachate samples (listed in Section 2.2) and the following additional
parameters:
• Beryllium (dissolved), cadmium (dissolved), chromium (dissolved), copper (dissolved),
lead (dissolved), and nickel (dissolved) using USEPA Method 6020B
• Silver (dissolved) using USEPA Method 6020A
• Total hardness and zinc (dissolved) using USEPA Method 6010D
Construction drain outlet field parameters and analytical results are summarized in
Section 3.3.
2.4 Surface Water Sampling and Analysis
Surface water sampling is currently not required for the NSLF.
Page 5

Environmental Controls Monitoring Semiannual Report April 2024 through September 2024
North Starter Landfill 3619-INDUS
3.0 Monitoring, Sampling, and Analysis Results
3.1 Leak Detection System Monitoring Results
No exceedances of the initial response leakage rate (IRLR) and action leakage rate (ALR)
occurred during the reporting period.
An average daily leakage rate is calculated for the operational NSLF each month and
compared to the IRLR and ALR for the landfill LDS as defined in the Operations Plan
(AECOM, 2020).
Average daily leakage rates for the NSLF were calculated as follows:
1. Calculate the monthly total volume pumped (gallons):
monthly volume pumped (gallons) = current month total flow meter reading — preceding
month total flow meter reading
2. Calculate the average daily leakage rate (gallons per acre per day (gpad)):
average daily leakage rate (gpad) = monthly volume pumped (gallons) = landfill cell area
(acres) _ monitoring duration (days)
The LDS monitoring results for location ALN-NSLF-LDS1 are included in Table 1A, and the
LDS monitoring results for location ALN-LDSC are included in Table 1 B. The LDS leakage
rate data collection details are kept with on -Site records.
No leakage rates or notable variances in the data outside of the normal operating range for the
landfill were observed during the monitoring period.
3.2 Leachate and Analytical Results
Leachate analytical results are not compared to surface water or groundwater quality
standards.
The leachate analytical results for samples ALN-NSLF-LCS1 and ALN-LCSC are included in
Table 2.
As normal laboratory practice, select samples were diluted to bring samples within the
calibrated range of analysis. Specifics regarding the diluted samples, including the dilution
factor, are reported in the electronic data deliverable (EDD) and the laboratory analytical
report. The laboratory analytical report, data validation checklist, and COC form associated
with data collected as part of this semiannual monitoring period are included in Appendix B.
3.3 Construction Drain Outlet Analytical Results
Construction drain outlet analytical results are not compared to surface water or groundwater
quality standards.
The construction drain outlet analytical results for sample ALN-NSLF-CD2 are included in
Table 3.
Page 6

Environmental Controls Monitoring Semiannual Report April 2024 through September 2024
North Starter Landfill 3619-INDUS
The construction drain outlet sample is included in the same laboratory analytical report, data
validation checklist, and COC form as the leachate data collected as part of this semiannual
monitoring period (Appendix B).
3.4 Surface Water Analytical Results
Surface water sampling is currently not required for the NSLF; therefore, there are no
analytical results to report.
Page 7

Environmental Controls Monitoring Semiannual Report April 2024 through September 2024
North Starter Landfill 3619-INDUS
4.0 References
AECOM. (2020). Operations Plan, Revision 0 — Duke Energy Carolinas, LLC., Allen Steam
Station — North Starter Landfill, Permit No. 3619-INDUS. November 2020.
SynTerra. (2023). Environmental Control Monitoring Plan, Revision 2 Update — Duke Energy
Carolinas, LLC., Allen Steam Station — North Starter Landfill, Permit No. 3619-INDUS.
July 2023.
Page 8

Environmental Controls Monitoring Semiannual Report April 2024 through September 2024
North Starter Landfill 3619-INDUS
Drawings

o
� v
P� LINED RETENTION BASIN `` „p ■
e
H
DUKE ENERGY CAROLINAS
PROPERTY BOUNDARY
GYPSUM PAD Z
■ 1 o'w
■ Z'C
A
.• %- ��ALLENSTEAMSTATION
DISCHARGE��
CANAL PLANT AEEFN RO COAL PILE AREA
r • - NORTH STARTER
• /r �• RETIRED ASH BASIN
3619-INDUS I
LANDFILL
-
r ♦ ■ RETIRED ASH BASIN
ASH LANDFILL
+e\\ . BOUNDARY
;RR""
PARKERLN
RETIRED ASH BASINWASTE BOUNDARY-3
GONG RARMSTLEACHATEo BASIN -';LIFE
ACTIVE ASH BASIN
WASTE BOUNDARY •
IACTIVE ASH BASIN
,p �0 PLANNED SOUTH
5" P STARTER LANDFILL :2
�GQ 3620-INDUS -.Z"
c�'c>
_) WStolve
Q �4i2 v~CAP
38 � ' �W eeti
geaverdam C'
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NOTES:
1. ALL BOUNDARIES ARE APPROXIMATE.
2. WATER FEATURES DEPICTED WITHIN WASTE BOUNDARIES OF THE ASH BASINS ON
THE USGS TOPOGRAPHIC MAP DO NOT REPRESENT CURRENT CONDITIONS. THE
CONDITIONS DEPICTED ARE SIMILAR TO THOSE SHOWN ON THE 1968 AND 1973 USGS
TOPOGRAPHIC MAPS OF THE AREA [(1968 WEST CHARLOTTE (1:24000) AND 1973 '-
BELMONT(1:24000)]. \,•r�._
3. USGS TOPOGRAPHIC MAP OBTAINED FROM ESRI, LAST UPDATED APRIL 2024.
DRAWING 1
DUKE
SITE LOCATION MAP
-
ENVIRONMENTAL CONTROLSMONITORINGREPORT
GSER
\. ENERGY.
WINSTONSALEM
A 024UAL
NORTH STARTER LANDFILL [3619-INDUS)
ASHEVILLE
•
ALLEN STEAM STATION
GASTON COUNTY, NORTH CAROLINA
CHARLOTTE
DRAWN BY: T. KING DATE: 12106121124
GASTON
COUNTY
REVISED BY T KING DATE_ 12/06/2024
GRAPHIC SCALE
1000 0 1000 2000
B PATTON DATE 12/06/2024
(IN FEET)
synTerra
APPROVED B
APPROVED BY: C. SUTTELL DATE-12/06/2024
WWW-SVIItErr8COr0-COOL
PROJECT MANAGER_ C-SUTTELL

INSET SCALE: 1" = 50C
N-NSLF-LCS1
ALN-NSLF-CD2
r`--4
■
'I.
PRMSjRONG ROpO
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RtM ♦` �yi• t I � •+tit. S 1 � t14
+ .
INPDES OUTFALL 0061
YPSUM PADJ
I,
I` I
Aw
DUKE
ENERGY
LIP
Terra
♦ .-.
r _3�'
LEGEND
+ O CONSTRUCTION DRAIN OUTLET SAMPLING LOCATION
LEACHATE SAMPLING LOCATION
'' • LEAK DETECTION MONITORING LOCATION
♦ NPDES OUTFALL
CONSTRUCTION DRAIN 6-INCH HDPE DR-11 PERFORATED
PIPING
CONSTRUCTION DRAIN 6-INCH HDPE DR-11 SOLID
DISCHARGE PIPE
LEACHATE LINE FORCE MAIN
LEACHATE BASIN
NORTH STARTER LANDFILL BOUNDARY
SOUTH STARTER LANDFILL BOUNDARY
O SITE FEATURES
ACTIVE ASH BASIN WASTE BOUNDARY
!r= RETIRED ASH BASIN WASTE BOUNDARY
RETIRED ASH BASIN ASH LANDFILL WASTE BOUNDARY
DORS FILLS BOUNDARIES
- - DUKE ENERGY CAROLINAS PROPERTY BOUNDARY
SURFACE WATER FLOW DIRECTION
> STREAM (AMEC NRTR 2015)
WETLAND (AMEC NRTR 2015)
NOTES:
1. THE WATERS OF THE US HAVE NOT BEEN APPROVED BY THE US ARMY CORPS OF
ENGINEERS AT THE TIME OF THE MAP CREATION. THIS MAP IS A PRELIMINARY
JURISDICTIONAL DETERMINATION ONLY. THE WETLANDS AND STREAMS BOUNDARIES
WERE OBTAINED FROM AMEC FOSTER WHEELER ENVIRONMENTAL & INFRASTRUCTURE,
INC. NATURAL RESOURCE TECHNICAL REPORT FOR ALLEN STEAM STATION DATED MAY 29,
2015.
2. NPDES - NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
3. HPDE - HIGH -DENSITY POLYETHYLENE
4. DORS - DISTRIBUTION OF RESIDUAL SOLIDS
5. ALL BOUNDARIES ARE APPROXIMATE.
6. PROPERTY BOUNDARY PROVIDED BY DUKE ENERGY CAROLINAS.
7. AERIAL IMAGERY IS A COMBINATION OF DUKE ENERGY PROPELLER AERIAL
PHOTOGRAPHY COLLECTED ON MAY 17, 2024 AND MAXAR AERIAL IMAGERY PROVIDED BY
ESRI, COLLECTED ON MAY 16, 2022.
8. DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANE
COORDINATE SYSTEM RIPS 3200 (NAD83).
GRAPHIC SCALE
500 0 500 1,000 DRAWING 2
MONITORING LOCATIONS
(IN FEET ENVIRONMENTAL CONTROLS MONITORING SEMIANNUAL REPORT
DRAWN BY: T. KING DATE: 12/06/2024 APRIL 2024 THROUGH SEPTEMBER 2024
REVISED BY: T. KING DATE: 12/06/2024 NORTH STARTER LANDFILL (3619-INDUS)
CHECKED BY: B. PATTON DATE: 12/06/2024
APPROVED BY: C. SUTTELL DATE: 12/06/2024 ALLEN STEAM STATION
PROJECT MANAGER: C. SUTTELL GASTON COUNTY, NORTH CAROLINA

Environmental Controls Monitoring Semiannual Report April 2024 through September 2024
North Starter Landfill 3619-INDUS
Tables

TABLE 1A
LEAK DETECTION SYSTEM MONITORING RESULTS - NORTH STARTER LANDFILL
ENVIRONMENTAL CONTROLS MONITORING SEMIANNUAL REPORT
APRIL 2024 THROUGH SEPTEMBER 2024
NORTH STARTER LANDFILL (3619-INDUS)
ALLEN STEAM STATION
DUKE ENERGY CAROLINAS, LLC, GASTON COUNTY, NORTH CAROLINA
ALN-NSLF-LSD1
MONTHLY
MONTHLY
TOTAL
AVERAGE
AVERAGE DAILY
AVERAGE DAILY
MONITORING
MONITORING
DURATION
TOTAL
VOLUME
VOLUME
NSLF
DAILY
LEAKAGE RATE
LEAKAGE RATE
PERIOD
(DAYS)
PUMPED
PUMPED
AREA
LEAKAGE
EXCEEDS IRLR:
EXCEEDS ALR:
COMMENTS
RAINFALL
(GALLONS),
(GALLONS),
(ACRES)2
RATE
316 GPAD
421 GPAD
(INCHES)'
(GPAD)
(YES/NO)
(YES/NO)
LDS PUMP TOTALIZER
Apri12024
30
1.29
1,149
4,787
25.1
1.53
NO
NO
May 2024
31
5.54
410
5,197
0.53
NO
NO
June 2024
30
2.21
73
5,270
0.10
NO
NO
July 2024
31
4.99
360
5,630
0.46
NO
NO
August 2024
31
6.69
85
5,715
0.11
NO
NO
Lost PLC at Leachate Basin,
September
30
9.42
64
5,779
0.08
NO
NO
causing temporary
2024
communication loss.
Prepared by: BLP Checked by: AJT
Notes:
Data provided by Duke Energy Carolinas.
2 As presented in the Engineering and Facility Plan, Allen Station, North Starter Landfill (Rev. 0), Prepared by AECOM Technical Services of North Carolina, Inc., Dated: November 3, 2020, Table 7.3-2
The Initial Response Leakage Rate (IRLR) is 316 GPAD, as presented in the Engineering and Facility Plan (AECOM, 2020).
The Action Leakage Rate (ALR) is 421 GPAD, as presented in the Engineering and Facility Plan (AECOM, 2020).
1. -' - no comments made
GPAD - gallons per acre per day
LDS - Leak Detection System
NSLF - North Starter Landfill
PLC - Programmable Logic Controller
Page 1 of 1

TABLE 1B
LEAK DETECTION SYSTEM MONITORING RESULTS - LEACHATE BASIN
ENVIRONMENTAL CONTROLS MONITORING SEMIANNUAL REPORT
APRIL 2024 THROUGH SEPTEMBER 2024
NORTH STARTER LANDFILL (3619-INDUS)
ALLEN STEAM STATION
DUKE ENERGY CAROLINAS, LLC, GASTON COUNTY, NORTH CAROLINA
ALN-LDSC
MONTHLY
MONTHLY
TOTAL
LEACHATE
AVERAGE
AVERAGE DAILY
AVERAGE DAILY
MONITORING
MONITORING
DURATION
VOLUME
VOLUME
DAILY
LEAKAGE RATE
LEAKAGE RATE
PERIOD
(DAYS)
TOTAL
PUMPED
PUMPED
BASIN
LEAKAGE
EXCEEDS IRLR:
EXCEEDS ALR:
COMMENTS
RAINFALL
(GALLONS)'
(GALLONS)'
AREA
RATE
945 GPAD
1,263 GPAD
(INCHES)
z
(ACRES)
(GPAD)
(YES/NO)
(YES/NO)
LDS PUMP TOTALIZER
Apri12024
30
1.29
1,099
9,743
3.1
11.82
NO
NO
May 2024
31
5.54
1,099
10,842
11.44
NO
NO
June 2024
30
2.21
870
11,712
9.35
NO
NO
July 2024
31
4.99
855
12,567
8.90
NO
NO
August 2024
31
6.69
1,111
13,678
11.56
NO
NO
September
Lost the PLC on 9/25/24 @
30
9.42
1,922
15,600
20.67
NO
NO
2024
10:33pm.
Prepared by: BLP Checked by: AJT
Notes:
' Data provided by Duke Energy Carolinas.
2 As presented in the Engineering and Facility Plan, Allen Station, North Starter Landfill (Rev. 0), Prepared by AECOM Technical Services of North Carolina, Inc., Dated: November 3, 2020, Table 7.3-2
The Initial Response Leakage Rate (IRLR) is 945 GPAD, as presented in the Engineering and Facility Plan (AECOM, 2020).
The Action Leakage Rate (ALR) is 1,263 GPAD, as presented in the Engineering and Facility Plan (AECOM, 2020).
1. -' - no comments made
GPAD - gallons per acre per day
LDS - Leak Detection System
PLC - Programmable Logic Controller
Page 1 of 1

TABLE 2
LEACHATE ANALYTICAL RESULTS - SEPTEMBER 3, 2024
ENVIRONMENTAL CONTROLS MONITORING SEMIANNUAL REPORT
APRIL 2024 THROUGH SEPTEMBER 2024
NORTH STARTER LANDFILL (3619-INDUS)
ALLEN STEAM STATION
DUKE ENERGY CAROLINAS, LLC, GASTON COUNTY, NORTH CAROLINA
Analytical Result (µg/L, unless otherwise noted)
Constituent ALN-NSLF-LCS1
ALN-LCSC
Field Parameters
pH (S.U.)
6.3
7.3
Temperature (Deg C)
20
23
Specific Conductance (µmhos/cm)
720
414
Dissolved Oxygen (mg/L)
1.71
8.39
Oxidation Reduction Potential (mV)
302
285
Turbidity (NTUs)
2.7
28.0
Laboratory Analyses
Antimony
0.501 J
0.709 J
Arsenic
0.534 J
2.78
Barium
68
58
Beryllium
< 2
< 1
Boron
683
396
Cadmium
0.585 J
0.052 J
Calcium (mg/L)
131
63.4
Chloride (mg/L)
4.8
2.5
Chromium
0.195 J
0.94 J
Cobalt
2.30
0.689 J
Copper
2.86
1.64
Fluoride (mg/L)
0.12 J
0.13 J
Iron
42
518
Lead
0.063 J
0.238 J
Lithium
32
24
Magnesium (mg/L)
17.6
8.48
Manganese
2,020
191
Mercury
< 0.05
< 0.05
Molybdenum
13.4
10.2
Nickel
43.7
6.32
Nitrate (as nitrogen) (mg-N/L)
0.07 J
0.03 J
Selenium
36.4
19.1
Silver
0.181 J
< 1
Sulfate (mg/L)
260
140 J
Total Dissolved Solids (TDS) (mg/L)
605
298
Thallium
0.450
0.165 J
Vanadium
1.32 J
4.25
Zinc
48
9 J
Prepared by: BLIP Checked by: AJT
Notes:
Analytical data presented in this table reflect the Duke Energy Biological Analytical Data Storage System (BASS) as of 10/16/2024
< - Concentration not detected at or above the adjusted reporting limit.
Deg C - degrees Celsius
J - Value is estimated. The result is below the reporting limit or potentially biased based on data validation.
mg/L - milligrams per liter
mg-N/L - milligrams nitrogen per liter
mV - millivolts
NTUs - nephelometric Turbidity Units
S.U. - standard units
µg/L- micrograms per liter
µmhos/cm - micromhos per centimeter
Page 1 of 1

TABLE 3
CONSTRUCTION DRAIN OUTLET ANALYTICAL RESULTS - SEPTEMBER 3, 2024
ENVIRONMENTAL CONTROLS MONITORING SEMIANNUAL REPORT
APRIL 2024 THROUGH SEPTEMBER 2024
NORTH STARTER LANDFILL (3619-INDUS)
ALLEN STEAM STATION
DUKE ENERGY CAROLINAS, LLC, GASTON COUNTY, NORTH CAROLINA
Analytical Result (µg/L, unless otherwise noted)
Constituent ALN-NSLF-CD2
Field Parameters
pH (S.U.)
6.4
Temperature (Deg C)
19
Specific Conductance (µmhos/cm)
93
Dissolved Oxygen (mg/L)
3.61
Oxidation Reduction Potential (mV)
313
Turbidity (NTUs)
6.7
Laboratory Analyses
Antimony
< 1
Arsenic
0.146 J
Barium
51
Beryllium
< 1
Beryllium (dissolved)
< 1
Boron
11 J
Cadmium
0.033 J
Cadmium (dissolved)
0.137 J
Calcium (mg/L)
9.09
Chloride (mg/L)
2.7
Chromium
2.77
Chromium (dissolved)
2.88
Cobalt
< 1
Copper
1.22
Copper (dissolved)
1.97
Fluoride (mg/L)
0.07 J
Iron
7.1
Lead
< 1
Lead (dissolved)
0.063 J
Lithium
< 5
Magnesium (mg/L)
1.92
Manganese
12
Mercury
< 0.05
Molybdenum
< 1
Nickel
0.406 J
Nickel (dissolved)
1.09
Nitrate (as nitrogen) (mg-N/L)
0.34
Selenium
< 1
Silver
< 1
Silver (dissolved)
< 1
Page 1 of 2

TABLE 3
CONSTRUCTION DRAIN OUTLET ANALYTICAL RESULTS - SEPTEMBER 3, 2024
ENVIRONMENTAL CONTROLS MONITORING SEMIANNUAL REPORT
APRIL 2024 THROUGH SEPTEMBER 2024
NORTH STARTER LANDFILL (3619-INDUS)
ALLEN STEAM STATION
DUKE ENERGY CAROLINAS, LLC, GASTON COUNTY, NORTH CAROLINA
Analytical Result (µg/L, unless otherwise noted)
Constituent ALN-NSLF-CD2
Laboratory Analyses Continued
Sulfate (mg/L)
3.3
Total Dissolved Solids (TDS) (mg/L)
90.0
Total Hardness
30.6
Thallium
<0.2
Vanadium
2.94
Zinc
5 J
Zinc (dissolved)
5 J
Prepared by: BLP Checked by: AJT
Notes:
Analytical data presented in this table reflect the Duke Energy Biological Analytical Data Storage System (BASS) as of 10/16/2024.
<- Concentration not detected at or above the adjusted reporting limit.
Deg C - degrees Celsius
µg/L - micrograms per liter
.mhos/cm - micromhos per centimeter
J - Value is estimated. The result is below the reporting limit or potentially biased based on data validation.
mg/L - milligrams per liter
mg-N/L - milligrams nitrogen per liter
mV - millivolts
NTUs - nephelometric turbidity units
S.U. - standard units
Page 2 of 2

Environmental Controls Monitoring Semiannual Report April 2024 through September 2024
North Starter Landfill 3619-INDUS
Appendix A
Field Calibration and Sampling Forms

�CAMA �CCR� Landfill NPQE S �CAf' ❑ ASVV � LRl3� SPI=CIAL STUDY
Site: A 1tn
FIELD, SAMPLING- LOG
►IVeIIiSW ID: L-C G G.
©ate: 1 3-2q
(� DUDE
ENERE
GROUNDWATER SAMPLE[ SURFACE WATER SAM PLE N LEACHATE SAMPLE EIWLO DWELL DEVELOPMENT
FIELDSTAFF: Ems' VVEATHER: ❑SUNNY ❑PARTLY CLOUDY ❑OVERCAST ❑RAIN ❑SNOW AIRTEMP: °F
COMPANY: ❑ DUKE ENERGY FIELD METER TYPE/ SERIAL, #: 9504.
❑OTHER: TURSIDIMETERTYPEISER)AL0; 4tr2
START PURGE TIME: 0? (2- SAMPLE COLLECTION TIME:. 041-
PUL10frUBING INTAKE DEPTH: _ {ft) DEPTH TO WATER: (ft) MULT FACTOR •: 0:16fl r(radlush2)V3.14•7.461
WELL DIAMETER: Gr,} HEIGHT OF Vt1C: ` (ff) WELL VOLUME: (gal)
WELL.DEPTH: 00 TOTAL VOLUME PURGED: O. 3y (gal)
TYPE OF PUMP:
Bladder
Peristaltic
12 Volt
Grundfos
Other ( j
PURGE METHODw
SAMPLING METHOD:
PUMRSETTING:
R
°
❑ Tubing/Pump /Pump Inspected 19 D
El Good []Tuning Bad [E]PumpBad Changed/Cleaned []Correct Next. Event
Additional Notes:
Law Flow Sampling Stabilization Criteria
pH
• SpeciflcConriuctance
• f70
Tutbicllty
t 0A standard unit
t 5°k in FS/cm
t U.2'mglL or 10% saturation
fens than 10 NTUs
TIME
WATER
LEVEL
FLOW
RATE
VOLUME
REMOVE(}
TEMPERATURE
DO
.SPECIFIC
CONDUCTANCE
PH
ORP
TURBIDITY
(FT)
(x.xx)
(mLJmin)
(x)
(gallons OR mL)
(x.xx)
CC)
(x)
(mg1L)
(x:xx)
(11S1c1n)
(x)
(su)
(x.zx)
(rnv)
(x)
(NTU)
(x.x)
pLEA51= REFER TO THE BACK OF THIS SHEET IF THE CHART ABOVE IS FULL
I5 REDEVELOPMENT NEEDED (?10 NTUS)? ❑YES ❑ NO WERE ALL SAMPLES ON ICE WITHIN. 15 MINUTES?[ YES. ONO
IS A TURBIDITY METER DUPLICATE REQUIRED? OYESNO iS THE LOCATION FIELD VEHICLE ACCESSIBLE?EFYES ❑ NO
IS THE TURBIDITY METER DUPLICATE TAKEN. WITHIN 15%7 ❑ YES ❑ NO DUPLICATE 1 (NTU) DUPLICATE 2 (NTU)
FINAL SAMPLE OBSERVATIONS:
Appearance: r Cloudy Turbid RediIron Film on Surrace Sheen to Floc
ADDITIONAL NOTES: Ee
WELLTAG
PROTECTIVE CASING
LOCK
DUST CAP
CONCRETE PAD'
GOOD
BAD
NONE
GOOD
BAD
NONE
GOOD
BAD
NONE
GOOD
BAD
NONE
GOOD
BAD
NONE
Version 1.3 Revised 07/1612024 JAS

� CAMA ❑ CCR 2 Land(ill,E] NPDES CAP ❑ ASW E] LRBF-j SPECIAL STUDY
FIELD SAMPLING LOG � DUKE:
ENERC
Site: Well/SW ID: N.SLY - LC5 r Date: 1-3-�
ROUNDWATEERR� SAMPLE❑SURFACE WATER SAMPLE®LEACHATE SAMPLE ❑WLO 0 WELL DEVELOPMENT
OL
NAFIELD STAFF: iif WEATHER:. []SUNNY [:]PARTLY CLOUDY ❑ OVERCAST [:]RAIN ❑SSNOW AIR TEMP: 'F
COMPANY: Q DUKE ENERGY FIELD METER TYPE/ SERIAL '#: `7Sf"d4
❑OTHER:. TURBIDIMRTERTYPEtSERIAL#: �1
START NURGE TIME: 035 SAMPCE.COLLECTION TIME: O9gt)
PUMPITUBING INTAKE DEPTH: (n1 DEPTH TO WATER: M1 MULT FACTOR *:0•1a3 r(racrius1l2)21:14.7.4a1
WELL DIAMETER: (in} HEIGHT OF WC: r (ft) WELL VOLUME: (gal)
WELL -DEPTH: r' (ft) TOTAL VOLUME PURGED: 0, ZU (gal)
TYPE OF PUMP:
Bladder
Peristaltic
12. Volt
Grundfos
Other { }
PURGE METHOD:
SAMPLING ]METHOD:
PUMP SETTING:
"
°
0 Tubing/Pump inspected I (Ps" I(-) 1 1-0
❑Good Duibing Bad []Pump Bad Changed/Cleaned ❑Correct Next Event
Additional Notes: .4 FD k.4,1
Low. Flow Sampling Stabilization Criteria
pH
• SpecfflcCcnductance
• DO
T[lrbldity
t:0.1 sfandardunit
15% In NSlcrn
f:02 mglL or 10°% saturatlon
less than 14 NTUs
TIME
WATER
LEVEL
FLOW
RATE
VOLUME
REMOVED
TEMPERATURE
DO
SPECIFIC
CONDUCTANCE
pH
ORP
TURBIDITY
(FT)
(x:xx)
(m[.Irntnj
W
(gallons OR mL)
(z.xx)
VC)
(x)
(mgfi..)
(x.xx)
(IJSfdm)
(x)
(su)
(x.xx)
(mv)
(x)
(NTU)
(x.x)
a53
Zcu
Q Zv
Zv
PLEASE REFER TO THE BACK OF THIS SHEET IF THE CHART ABOVE IS FULL
IS REDEVELOPMENT NPEDED (--!D NTUS)? ❑ YES NO WERE ALL SAMPLES ON ICE WITHIN 15 MINUTES? RYEs END
IS ATURSIDTY METER DUPLICATE REQUIRED? [DYESNO IS THE LOCATION FIELD VEHICLE ACCESSIBLE -?AYES ❑ NO
IS THETURBIDITYMETER DUPLICATE TAKEN, WITHIN-15°/6? Q YES ❑ N(:) DUPLICATE 1 (NTU) DUPLICATE (NTU)
t~IFlAL SAMPLE OBSERVATIONS:
Appearance: Cle Cloudy Turbid Redllron Film on Surface Sheen Fines Floc
ADDITIONAL NOTES:.
WELLTAG.
PROTECTIVE CASING'
LOCK
DUST CAP
CONCRETE PAD
GOOD
BAD
NONE
GOOD
BAT]
NONE
GOOD
BAD
NONE
GOOD
BAD
NONE
GOOD
BAD
NONE
Version 1.3 Revised 0711.512024 JAS

❑CAMA ❑CCRE Landfill❑ NPDES ❑ CAP ❑ ASW❑ LRB❑ SPECIAL STUDY
Site: /?1Gg
FIELD SAMPLING LOG
Well/SW ID:
Date: T 5-11
AMPLLEACHATE SAMPLE ❑WLO ❑ WELL DEVELOPMENT
� GROUNDWATER S;4MPLE SURFACE WATERSAMPLED SA
Y ,'.-- ..._.
FIELD STAFF:_ � WEATHER: ❑SUNNY ❑PARTLYCLOUDY ❑OVERCAST ❑RAIN ❑SNOW-AIRTEMP: °F
COMPANY: Q DUKE ENERGY FIELD METER TYPE/ SERIAL M 9S/')!�c
❑ OTHER: TURBIDINIETERTYPE/ SERIAL #: o1 "L
START PURGE TIME: 01 2-S
SAMPLE COLLECTION TIME: 15 ' iU
PUMPITUBING INTAKE DEPTH: (ft) DEPTH TO WATER: MULT FACTOR t: 0-163 ['(radiwM2)2*3.14'7.48]
WELL DIAMETER: (in). HEIGHT OF WC: (ft) WELL VOLUME: (gal]
WELL DEPTH: (ft) TOTAL VOLUME PURGED: (gal)
TYPE OF PUMP:
Bladder
Peristaltic
12 Volt
Grundfos
Other {. )
PURGE METHOD:
%
SAMPLING METHOD;
PUMP SETTING:
R
°
6kAB
❑ Tubi/Pump Inspected (a O
❑Good n Tubing Bad ❑Pump Bad ❑Changed/Cleaned ❑Correct Next Event
Additional Notes:
Low Flow Sampling Stabilization Criteria
PH
• Specific Conductance
• DO
Turbidity
t 0.1 standard unit
f 5% in pSlcm
* 0.2 mg/L or 10% saturation
less than 10 NTUs
TIME
WATER
LEVEL
FLOW
RATE
VOLUME
REMOVED
TEMPERATURE
DO
SPECIFIC
CONDUCTANCE
p H
OR P
TURBIDITY
(FT)
(x,xx)
(mLlmin)
(x)
(gallons OR mL)
(x.xx)
(IC)
(x)
(mg/L)
(x.xx)
(ps/cm)
(x)
(su)
(x.xx)
(mv)
(x)
(NTU)
(x:x)
PLEASE REFER TO THE BACK OF THIS SHEET IF THE CHART ABOVE IS FULL.
IS REDEVELOPMENT NEEDED (-10 NTUS)? ❑ YES H
NO WERE ALL SAMPLES ON ICE WITHIN 15 MINUTES? ©YES❑ NO
IS A TURBIDITY METER DUPLICATEREQUIRED? ❑YES NO IS THE LOCATION FIELD VEHICLE ACCESSIBLE?© YES ❑ NO
IS THE TURBIDITY METER DUPLICATE TAKEN, WITHIN 15%? ❑ YES ❑ NO DUPLICATE 1 (NTU) DUPLICATE 2 (NTU)
FINAL SAMPLE OBSERVATIONS:
Appearance: fea Cloudy Turbid Red/lron Film on Surface Sheen Fines Floc
ADDITIONAL NOTES:
WELL TAG
PROTECTIVE CASING
LOCK
DUST CAP
CONCRETE PAD
GOOD
BAD
NONE
GOOD
BAD
NONE
GOOD
BAD
NONE
GOOD
BAD
NONE
GOOD
BAD
NONE
Version '1.3 Revised 07/15/2024 JAS

Environmental Controls Monitoring Semiannual Report April 2024 through September 2024
North Starter Landfill 3619-INDUS
Appendix B
Laboratory Reports, Data Validation Checklists,
and Chain -of -Custody Forms

Data Validation Checklist
Facility/Site Location/Sample r
Allen Steam Station
State
NC
LCSC, NSLF-CD2, NSLF-LCS1
- Duke Central Lab
� - - - - - � • - - � • -
Groundwater
J24080227 9/3/2024
9/4/2024 9/23/2024
Surface Water
Other
References:
National Functional Guidelines for Organic/Inorganic Superfund Methods Data Review (USEPA 2020)
Guidance on Environmental Data Verification and Data Validation (USEPA 2002)
Radiochemical Data Verification and Validation (MARLAP Manual Volume I: Chapter 8, 2004)
Chain of Custody
�✓
❑
❑ 1) Do the sample IDs and laboratory analyses recorded on the Chain of Custody match the sample Us and analyses listed in the laboratory package?
�✓
❑
LA
a) Do the dates and times of sampling listed on the Chain of Custody match the laboratory report?
�✓
❑
❑ 2) Is the sample temperature upon receipt at the laboratory recorded on the Chain of Custody or sample receipt form?
FT❑
❑ a) Is the sample temperature upon receipt less than 6 degrees Celsius? If NO, then:
❑
❑
�J 1) Was the presence of wet ice noted in the cooler? OR
�J 11) Were the samples collected less than two hours prior to receipt at the lab?
❑�
❑
❑ 3) Was the proper sample preservation used, confirmed, and documented on the Chain of Custody and/or sample receipt form?
❑
�✓
❑ 4) Are there any special notes, exceptions, and/or anomalies listed on the Chain of Custody, sample receipt form, or laboratory report?
❑
❑�
❑ 5) Was the transfer of custody of the samples properly documented and traceable through signature, date, and time by all persons who relinquished and/or received
custody of the samples?
-
®®Batch eAssurance/Quality
6) Was the holding time for preparation and/or analysis met for each parameter?
�✓ a) Total Alkalinity, Bicarbonate Alkalinity, and Carbonate Alkalinity: Analyzed within 14 days of collection
❑�
❑
b) Bromide, Chlo(de, Fluoride, and Sulfate (Anions): Analyzed within 28 days of collection
c) Sulfide: Analyzed within 7 days of collection
❑�
❑
❑ d) Total Organic Carbon (TOC) and/or Nitrate -Nitrite: Analyzed within 28 days of collection
❑
❑
❑� e) Total Phosphorus (TP) and Dissolved Phosphorus: Analyzed within 28 days of collection
❑
❑
�J f) Hexavalent Chromium and Dissolved Hexavalent Chromium: Analyzed within 24 hours (unpreserved) / 28 days (preserved) of collection
�✓
g) Mercury and Dissolved Mercury: Analyzed within 28 days of collection (preserved)
�✓
❑
h) Total Metals and Dissolved Metals: Analyzed within 180 days of collection
�J
❑
1) Total Suspended Solids (TSS) and/or Total Dissolved Solids (TDS): Analyzed within 7 days of collection
❑
q )) Radionuclides: Analyzed within 180 days of collection
❑
❑
�J k) Methane: Analyzed within 14 days (preserved) / 7 days (unpreserved) of collection
❑
❑
�✓ 1) Oil and Grease: Analyzed within 28 days of collection
❑J
❑
❑ 7) Are there any qualifiers assigned by the laboratory and if so, are the qualifier definitions provided?
❑�
8) Method Blank- Were any parameters detected in the laboratory method blank(s)?
�J a) If YES, were any target analyses detected in the samples at concentrations less than ten times the method blank concentration?
�✓
9) Laboratory Control Sample (LCS) - Were any parameters flagged by the lab as being outside the limits of control in the associated LCS?
❑
�J
a) If YES, was the parameter recovery less than 50 percent or greater than 150 percent?
❑
�J b) Were the same parameters detected in the samples?
�✓
❑
❑ 10) Matrix Spike Sample (MS/MSD) - Did the laboratory provide matrix spike results? If so, then:
M❑
❑ a) Was the original sample spiked a project sample? If so, then:
❑
b) Were any parameters flagged by the lab as being outside the limits of control in the associated matrix spike sample?

Batch !Assurance/Quality
❑ 11) Laboratory Duplicate Sample - Did the laboratory provide lab duplicate sample results? If so, then:
❑ a) Was the sample analyzed as a laboratory duplicate a project sample? If so, then:
�✓ b) Were any parameters flagged by the lab as being outside the limits of control in the laboratory duplicate sample?
�J 12) Field Duplicate Sample - Is the relative percent difference between the parent and field duplicate sample results greater than 35 percent?
13) Field/Equipment/Trip Blanks - Were any parameters detected in the associated field, equipment, and/or trip blanks?
�✓ a) If yes, were any target analytes detected in the samples at a concentration less than ten times the Field/Equipment/Trip Blank concentration?
❑ 14) Were initial and continuing calibration blank information within acceptable criteria per the lab report?
❑ ❑ ❑ 15) Were any reporting limits for diluted, non -detect results greater than the screening criteria?
❑ ❑� 16) Radionuclides: Are quality control sample results provided?
❑ �J a) Are any results flagged or qualified?
�J b) Are Uncertainty, Minimum Detectable Concentration (MDC), and Tracer and/or Carrier % Recoveries provided for each sample?
Lab Qualifiers:
1 - Analyte detected above the MDL, but below the RL; analyte concentration should be considered an estimate.
M4-The spike recovery value was unusable since the analyte concentration in the sample was disproportionate to the spike level; the associated LCS recovery was acceptable.
Validation Qualifiers:
R - Result is unusable. The sample result is rejected due to serious deficiencies in meeting quality control criteria; the analyte may or may not be present in the sample.
J - Value is estimated. The result is below the reporting limit or potentially biased based on data validation.
U - Analyte was analyzed form but not detected above the minimum detectable concentration (MDC) or method detection limit (MDL).
B -Target analyte detected in the method blank an in the sample at a concentration less than 10x the blank concentration.
• Sulfate MS % recovery low (MSD ok) for LCSC (1104).
• Nitrate (0.04 mg/L), Nitrate as N (0.01 mg-N/L), Calcium (0.02 mg/L), Iron (0.004 mg/L), and Chromium (0.211 ug/L) were detected in the Field Blank; Nitrate, Nitrate as N, Iron, and Chromium
were also detected in the samples at concentrations less than 10x the blank concentrations.
Review Determination: ❑ Usable ❑ Usable with Required Actions ❑ Unusable
Initials/Signatures: Date:
Data Quality Reviewer REB 10/10/2024
Technical Lead CJS 12/30/2024

DUKE Analytical Laboratory
ENERGY
13339 Hagers Ferry Road
Huntersville, NC 28078-7929
McGuire Nuclear Complex - MG03A2
Phone:[phone] Fax:[phone]
Order Summary Report
Order Number: J24080227
Project Name: ALLEN - NORTH STARTER LANDFILL
Task Code: LF
Customer Name(s): C Murphy,B Moeller,DOBrien,J Stowe,C Zahora,Synter
Customer Address: Allen Steam Station
253 Plant Allen Road
Belmont, NC 28012
Lab Contact: Peggy Kendall Phone: [phone]
Report Authorized By: r�Date: 9/23/2024
(Signature)
Peggy endall
Program Comments:
Please contact the Program Manager (Peggy Kendall) with any questions regarding this report.
Data Flags & Calculations:
Page 1 of 20
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
Page 2 of 20
2024020803
ALLEN
03-Sep-24
9:30
AM
Connor Zahora
ALN_NSLF-CD2
2024020804
ALLEN
03-Sep-24
9:15
AM
Connor Zahora
ALN_LCSC
2024020805
ALLEN
03-Sep-24
9:40
AM
Connor Zahora
ALN_NSLF-LCS1
2024020806
ALLEN
03-Sep-24
Connor Zahora
ALN_FD-20240903-1
2024020807
ALLEN
03-Sep-24
9:45
AM
Connor Zahora
ALN_FB-20240903-945
5 Total Samples

Page 3 of 20
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 0 No
All laboratory QA/QC requirements are acceptable.❑ Yes ❑ No
Report Sections Included:
❑d Job Summary Report
❑d Sample Identification
❑� Technical Validation of Data Package
❑� Analytical Laboratory Certificate of Analysis
❑� Analytical Laboratory QC Report
❑ Sub -contracted Laboratory Results
❑ Customer Specific Data Sheets, Reports, & Documentation
❑ Customer Database Entries
❑� Chain of Custody
❑� Electronic Data Deliverable (EDD) Sent Separately
Reviewed By: Peggy Kendall Date: 9/23/2024

Certificate of Laboratory Analysis
This report shall not be reproduced, except in full.
Order # J24080227
Site: ALN NSLF-CD2
Collection Date: 09/03/2024 09:30 AM Loc code: ALN NSLF-CD2
Analyte
Result
Units
Qualifiers RDL
MDL
INORGANIC IONS BY IC - Q24090023
Chloride
2.7
mg/L
0.1
0.0154
Fluoride
0.07 J
mg/L
0.1
0.0479
Nitrate
1.5
mg/L
0.1
0.0209
Nitrate as N
0.34
mg-N/L
0.023
0.002
Sulfate
3.3
mg/L
0.1
0.0428
MERCURY (COLD VAPOR) IN WATER - Q24090097
Mercury (Hg)
0.01 U
ug/L
0.05
0.01
TOTAL RECOVERABLE METALS BY ICP (DISSOLVED)
- Q24090050
Zinc (Zn)
0.005 J
mg/L
0.015
0.004
TOTAL RECOVERABLE METALS BY ICP - Q24090051
Barium (Ba)
0.051
mg/L
0.005
0.002
Boron (B)
0.011 J
mg/L
0.05
0.005
Calcium (Ca)
9.09
mg/L
0.05
0.012
Iron (Fe)
0.007 J
mg/L
0.01
0.004
Lithium (Li)
0.002 U
mg/L
0.005
0.002
Magnesium (Mg)
1.92
mg/L
0.02
0.008
Manganese (Mn)
0.012
mg/L
0.005
0.001
Total Hardness (Ca and Mg)
30.6
mg/L
0.19
(CaCO3)
Zinc (Zn)
0.005 J
mg/L
0.015
0.004
TOTAL RECOVERABLE METALS BY ICP-MS (DISSOLVED) - Q24090065
Beryllium (Be)
0.249 U
ug/L
1
0.249
Cadmium (Cd)
0.137 J
ug/L
1
0.032
Chromium (Cr)
2.88
ug/L
1
0.185
Copper (Cu)
1.97
ug/L
1
0.787
Lead (Pb)
0.063 J
ug/L
1
0.037
Nickel (Ni)
1.09
ug/L
1
0.256
Silver (Ag)
0.035 U
ug/L
1
0.035
Sample #: 2024020803
Matrix: GW RCRA
Page 4 of 20
DF
Method
Analysis Date/Time
Analyst
1
EPA 9056A
09/04/2024 10:21
BGN9034
1
EPA 9056A
09/04/2024 10:21
BGN9034
1
EPA 9056A
09/04/2024 10:21
BGN9034
1
EPA 9056A
09/04/2024 10:21
BGN9034
1
EPA 9056A
09/04/2024 10:21
BGN9034
1
EPA 7470A
09/06/2024 12:21
SNEGLIA
1
SW 601OD
09/06/2024 14:29
EBATIAN
1
SW 601OD
09/06/2024 14:44
EBATIAN
1
SW 601OD
09/06/2024 14:44
EBATIAN
1
SW 601OD
09/06/2024 14:44
EBATIAN
1
SW 601OD
09/06/2024 14:44
EBATIAN
1
SW 601OD
09/06/2024 14:44
EBATIAN
1
SW 601OD
09/06/2024 14:44
EBATIAN
1
SW 601OD
09/06/2024 14:44
EBATIAN
1
SW 6010D
09/06/2024 14:44
EBATIAN
1
SW 601OD
09/06/2024 14:44
EBATIAN
1
SW 6020B
09/06/2024 14:47
MHALL3
1
SW 6020B
09/06/2024 14:47
MHALL3
1
SW 6020E
09/06/2024 14:47
MHALL3
1
SW 6020B
09/06/2024 14:47
MHALL3
1
SW 6020B
09/06/2024 14:47
MHALL3
1
SW 6020E
09/06/2024 14:47
MHALL3
1
SW 6020B
09/06/2024 14:47
MHALL3

Certificate of Laboratory Analysis
This report shall not be reproduced, except in full.
Order # J24080227
Site: ALN NSLF-CD2
Collection Date: 09/03/2024 09:30 AM Loc code: ALN NSLF-CD2
Analyte
Result
Units Qualifiers
RDL
MDL
DF
TOTAL RECOVERABLE METALS BY ICP-MS - Q24090066
Antimony (Sb)
0.104 U
ug/L
1
0.104
1
Arsenic (As)
0.146 J
ug/L
1
0.111
1
Beryllium (Be)
0.249 U
ug/L
1
0.249
1
Cadmium (Cd)
0.033 J
ug/L
1
0.032
1
Chromium (Cr)
2.77
ug/L
1
0.185
1
Cobalt (Co)
0.077 U
ug/L
1
0.077
1
Copper (Cu)
1.22
ug/L
1
0.787
1
Lead (Pb)
0.037 U
ug/L
1
0.037
1
Molybdenum (Mo)
0.18 U
ug/L
1
0.18
1
Nickel (Ni)
0.406 J
ug/L
1
0.256
1
Selenium (Se)
0.193 U
ug/L
1
0.193
1
Silver (Ag)
0.035 U
ug/L
1
0.035
1
Thallium (TI) Low Level
0.041 U
ug/L
0.2
0.041
1
Vanadium (V)
2.94
ug/L
1
0.114
1
TOTAL DISSOLVED SOLIDS - Q24090024
TDS
90.0
mg/L
25
25
1
Sample #: 2024020803
Matrix: GW RCRA
Page 5 of 20
Method
Analysis Date/Time
Analyst
SW 6020B
09/09/2024 14:06
MHALL3
SW 6020B
09/09/2024 14:06
MHALL3
SW 6020E
09/09/2024 14:06
MHALL3
SW 6020B
09/09/2024 14:06
MHALL3
SW 6020B
09/09/2024 14:06
MHALL3
SW 6020E
09/09/2024 14:06
MHALL3
SW 6020B
09/09/2024 14:06
MHALL3
SW 6020E
09/09/2024 14:06
MHALL3
SW 6020B
09/09/2024 14:06
MHALL3
SW 6020E
09/09/2024 14:06
MHALL3
SW 6020B
09/09/2024 14:06
MHALL3
SW 6020E
09/09/2024 14:06
MHALL3
SW 6020B
09/09/2024 14:06
MHALL3
SW 6020E
09/09/2024 14:06
MHALL3
SM2540C
09/04/202413:50
HHOOGKA

Certificate of Laboratory Analysis Page 6 of 20
This report shall not be reproduced, except in full.
Order # J24080227
Site: ALN LCSC Sample #: 2024020804
Collection Date: 09/03/2024 09:15 AM Loc code: ALN LCSC Matrix: GW RCRA
Analyte Result Units Qualifiers RDL MDL DF
INORGANIC IONS BY IC - Q24090023
Chloride 2.5 mg/L
Fluoride 0.13 J mg/L
Nitrate 0.15 J mg/L
Nitrate as N 0.03 J mg-N/L
Sulfate 140 mg/L
MERCURY (COLD VAPOR) IN WATER - Q24090097
Mercury (Hg) 0.01 U ug/L
TOTAL RECOVERABLE METALS BY ICP - Q24090051
Barium (Ba)
0.058
mg/L
Boron (B)
0.396
mg/L
Calcium (Ca)
63.4
mg/L
Iron (Fe)
0.518
mg/L
Lithium (Li)
0.024
mg/L
Magnesium (Mg)
8.48
mg/L
Manganese (Mn)
0.191
mg/L
Zinc (Zn)
0.009 J
mg/L
TOTAL RECOVERABLE METALS BY ICP-MS -
Q24090066
Antimony (Sb)
0.709 J
ug/L
Arsenic (As)
2.78
ug/L
Beryllium (Be)
0.249 U
ug/L
Cadmium (Cd)
0.052 J
ug/L
Chromium (Cr)
0.94 J
ug/L
Cobalt (Co)
0.689 J
ug/L
Copper (Cu)
1.64
ug/L
Lead (Pb)
0.238 J
ug/L
Molybdenum (Mo)
10.2
ug/L
Nickel (Ni)
6.32
ug/L
Selenium (Se)
19.1
ug/L
Silver (Ag)
0.035 U
ug/L
Thallium (TI) Low Level
0.165 J
ug/L
Vanadium (V)
4.25
ug/L
TOTAL DISSOLVED SOLIDS -
024090024
TDS 298 mg/L
Method Analysis Date/Time Analyst
0.5
0.0154
5
EPA 9056A
09/04/2024 08:59
BGN9034
0.5
0.0479
5
EPA 9056A
09/04/2024 08:59
BGN9034
0.5
0.0209
5
EPA 9056A
09/04/2024 08:59
BGN9034
0.115
0.002
5
EPA 9056A
09/04/2024 08:59
BGN9034
M4 5
0.0428
50
EPA 9056A
09/04/2024 08:59
BGN9034
0.05
0.01
1
EPA 7470A
09/06/2024 12:23
SNEGLIA
0.005
0.002
1
SW 601OD
09/06/2024 14:56
EBATIAN
0.05
0.005
1
SW 601OD
09/06/2024 14:56
EBATIAN
0.05
0.012
1
SW 601OD
09/06/2024 14:56
EBATIAN
0.01
0.004
1
SW 601OD
09/06/2024 14:56
EBATIAN
0.005
0.002
1
SW 601OD
09/06/2024 14:56
EBATIAN
0.02
0.008
1
SW 601OD
09/06/2024 14:56
EBATIAN
0.005
0.001
1
SW 601OD
09/06/2024 14:56
EBATIAN
0.015
0.004
1
SW 601OD
09/06/2024 14:56
EBATIAN
1
0.104
1
SW 6020B
09/09/2024 13:23
MHALL3
1
0.111
1
SW 6020B
09/09/2024 13:23
MHALL3
1
0.249
1
SW 6020E
09/09/2024 13:23
MHALL3
1
0.032
1
SW 6020E
09/09/2024 13:23
MHALL3
1
0.185
1
SW 6020B
09/09/2024 13:23
MHALL3
1
0.077
1
SW 6020E
09/09/2024 13:23
MHALL3
1
0.787
1
SW 6020B
09/09/2024 13:23
MHALL3
1
0.037
1
SW 6020E
09/09/2024 13:23
MHALL3
1
0.18
1
SW 6020E
09/09/2024 13:23
MHALL3
1
0.256
1
SW 6020B
09/09/2024 13:23
MHALL3
1
0.193
1
SW 6020B
09/09/2024 13:23
MHALL3
1
0.035
1
SW 6020E
09/09/2024 13:23
MHALL3
0.2
0.041
1
SW 6020B
09/09/2024 13:23
MHALL3
1
0.114
1
SW 6020E
09/09/2024 13:23
MHALL3
25
25
1
SM2540C
09/04/202413:50
HHOOGKA

Certificate of Laboratory Analysis
This report shall not be reproduced, except in full.
Order # J24080227
Site: ALN NSLF-LCS1
Collection Date: 09/03/2024 09:40 AM Loc code: ALN NSLF-LCS1
Analyte Result Units Qualifiers RDL MDL DF
INORGANIC IONS BY IC - Q24090023
Chloride 4.8 mg/L
Fluoride 0.12 J mg/L
Nitrate 0.33 J mg/L
Nitrate as N 0.07 J mg-N/L
Sulfate 260 mg/L
MERCURY (COLD VAPOR) IN WATER - Q24090097
Mercury (Hg) 0.01 U ug/L
TOTAL RECOVERABLE METALS BY ICP - Q24090051
Barium (Ba)
0.068
mg/L
Boron (B)
0.683
mg/L
Calcium (Ca)
131
mg/L
Iron (Fe)
0.042
mg/L
Lithium (Li)
0.032
mg/L
Magnesium (Mg)
17.6
mg/L
Manganese (Mn)
2.02
mg/L
Zinc (Zn)
0.048
mg/L
TOTAL RECOVERABLE METALS BY ICP-MS -
Q24090066
Antimony (Sb)
0.501 J
ug/L
Arsenic (As)
0.534 J
ug/L
Beryllium (Be)
0.249 U
ug/L
Cadmium (Cd)
0.585 J
ug/L
Chromium (Cr)
0.195 J
ug/L
Cobalt (Co)
2.30
ug/L
Copper (Cu)
2.86
ug/L
Lead (Pb)
0.063 J
ug/L
Molybdenum (Mo)
13.4
ug/L
Nickel (Ni)
43.7
ug/L
Selenium (Se)
36.4
ug/L
Silver (Ag)
0.181 J
ug/L
Thallium (TI) Low Level
0.450
ug/L
Vanadium (V)
1.32 J
ug/L
TOTAL DISSOLVED SOLIDS -
024090024
TDS 605 mg/L
Sample #: 2024020805
Matrix: GW RCRA
Page 7 of 20
Method Analysis Date/Time Analyst
0.5
0.0154
5
EPA 9056A
09/04/2024 09:48
BGN9034
0.5
0.0479
5
EPA 9056A
09/04/2024 09:48
BGN9034
0.5
0.0209
5
EPA 9056A
09/04/2024 09:48
BGN9034
0.115
0.002
5
EPA 9056A
09/04/2024 09:48
BGN9034
5
0.0428
50
EPA 9056A
09/04/2024 09:48
BGN9034
0.05
0.01
1
EPA 7470A
09/06/2024 12:25
SNEGLIA
0.005
0.002
1
SW 601OD
09/06/2024 15:00
EBATIAN
0.05
0.005
1
SW 601OD
09/06/2024 15:00
EBATIAN
0.5
0.012
10
SW 601OD
09/06/2024 15:00
EBATIAN
0.01
0.004
1
SW 601OD
09/06/2024 15:00
EBATIAN
0.005
0.002
1
SW 601OD
09/06/2024 15:00
EBATIAN
0.02
0.008
1
SW 601OD
09/06/2024 15:00
EBATIAN
0.005
0.001
1
SW 601OD
09/06/2024 15:00
EBATIAN
0.015
0.004
1
SW 601OD
09/06/2024 15:00
EBATIAN
2
0.104
2
SW 6020B
09/10/2024 16:24
MHALL3
2
0.111
2
SW 6020B
09/10/2024 16:24
MHALL3
2
0.249
2
SW 6020E
09/10/2024 16:24
MHALL3
2
0.032
2
SW 6020E
09/10/2024 16:24
MHALL3
2
0.185
2
SW 6020B
09/10/2024 16:24
MHALL3
2
0.077
2
SW 6020E
09/10/2024 16:24
MHALL3
2
0.787
2
SW 6020B
09/10/2024 16:24
MHALL3
2
0.037
2
SW 6020E
09/10/2024 16:24
MHALL3
2
0.18
2
SW 6020E
09/10/2024 16:24
MHALL3
2
0.256
2
SW 6020B
09/10/2024 16:24
MHALL3
2
0.193
2
SW 6020B
09/10/2024 16:24
MHALL3
2
0.035
2
SW 6020E
09/10/2024 16:24
MHALL3
0.4
0.041
2
SW 6020B
09/10/2024 16:24
MHALL3
2
0.114
2
SW 6020E
09/10/2024 16:24
MHALL3
25
25
1
SM2540C
09/04/202413:50
HHOOGKA

Certificate of Laboratory Analysis Page 8 of 20
This report shall not be reproduced, except in full.
Order # J24080227
Site: ALN_FD-20240903-1 Duplicate Sample #: 2024020806
Collection Date: 09/03/2024 Loc code: ALN FD Matrix: GW RCRA
Analyte Result Units Qualifiers RDL MDL DF
INORGANIC IONS BY IC - Q24090023
Chloride 4.9 mg/L
Fluoride 0.11 J mg/L
Nitrate 0.33 J mg/L
Nitrate as N 0.07 J mg-N/L
Sulfate 270 mg/L
MERCURY (COLD VAPOR) IN WATER - Q24090097
Mercury (Hg) 0.01 U ug/L
TOTAL RECOVERABLE METALS BY ICP - Q24090051
Barium (Ba)
0.066
mg/L
Boron (B)
0.683
mg/L
Calcium (Ca)
132
mg/L
Iron (Fe)
0.031
mg/L
Lithium (Li)
0.032
mg/L
Magnesium (Mg)
17.6
mg/L
Manganese (Mn)
2.08
mg/L
Zinc (Zn)
0.048
mg/L
TOTAL RECOVERABLE METALS BY ICP-MS -
Q24090066
Antimony (Sb)
0.553 J
ug/L
Arsenic (As)
0.458 J
ug/L
Beryllium (Be)
0.249 U
ug/L
Cadmium (Cd)
0.546 J
ug/L
Chromium (Cr)
0.23 J
ug/L
Cobalt (Co)
2.07
ug/L
Copper (Cu)
2.58
ug/L
Lead (Pb)
0.037 U
ug/L
Molybdenum (Mo)
13.1
ug/L
Nickel (Ni)
40.1
ug/L
Selenium (Se)
35.0
ug/L
Silver (Ag)
0.035 U
ug/L
Thallium (TI) Low Level
0.445
ug/L
Vanadium (V)
1.32
ug/L
TOTAL DISSOLVED SOLIDS -
024090024
TDS 610 mg/L
Method Analysis Date/Time Analyst
0.5
0.0154
5
EPA 9056A
09/04/2024 10:04
BGN9034
0.5
0.0479
5
EPA 9056A
09/04/2024 10:04
BGN9034
0.5
0.0209
5
EPA 9056A
09/04/2024 10:04
BGN9034
0.115
0.002
5
EPA 9056A
09/04/2024 10:04
BGN9034
5
0.0428
50
EPA 9056A
09/04/2024 10:04
BGN9034
0.05
0.01
1
EPA 7470A
09/06/2024 12:27
SNEGLIA
0.005
0.002
1
SW 601OD
09/06/2024 15:04
EBATIAN
0.05
0.005
1
SW 601OD
09/06/2024 15:04
EBATIAN
0.5
0.012
10
SW 601OD
09/06/2024 15:04
EBATIAN
0.01
0.004
1
SW 601OD
09/06/2024 15:04
EBATIAN
0.005
0.002
1
SW 601OD
09/06/2024 15:04
EBATIAN
0.02
0.008
1
SW 601OD
09/06/2024 15:04
EBATIAN
0.005
0.001
1
SW 601OD
09/06/2024 15:04
EBATIAN
0.015
0.004
1
SW 601OD
09/06/2024 15:04
EBATIAN
1
0.104
1
SW 6020B
09/09/2024 14:14
MHALL3
1
0.111
1
SW 6020B
09/09/2024 14:14
MHALL3
1
0.249
1
SW 6020E
09/09/2024 14:14
MHALL3
1
0.032
1
SW 6020E
09/09/2024 14:14
MHALL3
1
0.185
1
SW 6020B
09/09/2024 14:14
MHALL3
1
0.077
1
SW 6020E
09/09/2024 14:14
MHALL3
1
0.787
1
SW 6020B
09/09/2024 14:14
MHALL3
1
0.037
1
SW 6020E
09/09/2024 14:14
MHALL3
1
0.18
1
SW 6020E
09/09/2024 14:14
MHALL3
1
0.256
1
SW 6020B
09/09/2024 14:14
MHALL3
1
0.193
1
SW 6020B
09/09/2024 14:14
MHALL3
1
0.035
1
SW 6020E
09/09/2024 14:14
MHALL3
0.2
0.041
1
SW 6020B
09/09/2024 14:14
MHALL3
1
0.114
1
SW 6020E
09/09/2024 14:14
MHALL3
25
25
1
SM2540C
09/04/202413:50
HHOOGKA

Certificate of Laboratory Analysis
This report shall not be reproduced, except in full.
Order # J24080227
Site: ALN FB-20240903-945 Field Blank
Collection Date: 09/03/2024 09:45 AM Loc code: ALN QA
Analyte Result Units Qualifiers RDL MDL DF
INORGANIC IONS BY IC - Q24090023
Chloride 0.0154 U mg/L
Fluoride 0.0479 U mg/L
Nitrate 0.04 J mg/L
Nitrate as N 0.01 J mg-N/L
Sulfate 0.0428 U mg/L
MERCURY (COLD VAPOR) IN WATER - Q24090097
Mercury (Hg) 0.01 U ug/L
TOTAL RECOVERABLE METALS BY ICP - Q24090051
Barium (Ba)
0.002 U
mg/L
Boron (B)
0.005 U
mg/L
Calcium (Ca)
0.02 J
mg/L
Iron (Fe)
0.004 J
mg/L
Lithium (Li)
0.002 U
mg/L
Magnesium (Mg)
0.008 U
mg/L
Manganese (Mn)
0.001 U
mg/L
Zinc (Zn)
0.004 U
mg/L
TOTAL RECOVERABLE METALS BY ICP-MS -
Q24090066
Antimony (Sb)
0.104 U
ug/L
Arsenic (As)
0.111 U
ug/L
Beryllium (Be)
0.249 U
ug/L
Cadmium (Cd)
0.032 U
ug/L
Chromium (Cr)
0.211 J
ug/L
Cobalt (Co)
0.077 U
ug/L
Copper (Cu)
0.787 U
ug/L
Lead (Pb)
0.037 U
ug/L
Molybdenum (Mo)
0.18 U
ug/L
Nickel (Ni)
0.256 U
ug/L
Selenium (Se)
0.193 U
ug/L
Silver (Ag)
0.035 U
ug/L
Thallium (TI) Low Level
0.041 U
ug/L
Vanadium (V)
0.114 U
ug/L
Sample #: 2024020807
Matrix: GW RCRA
Page 9 of 20
Method Analysis Date/Time Analyst
0.1
0.0154
1
EPA 9056A
09/04/2024 08:09
BGN9034
0.1
0.0479
1
EPA 9056A
09/04/2024 08:09
BGN9034
0.1
0.0209
1
EPA 9056A
09/04/2024 08:09
BGN9034
0.023
0.002
1
EPA 9056A
09/04/2024 08:09
BGN9034
0.1
0.0428
1
EPA 9056A
09/04/2024 08:09
BGN9034
0.05
0.01
1
EPA 7470A
09/06/2024 12:30
SNEGLIA
0.005
0.002
1
SW 601OD
09/06/2024 15:08
EBATIAN
0.05
0.005
1
SW 601OD
09/06/2024 15:08
EBATIAN
0.05
0.012
1
SW 601OD
09/06/2024 15:08
EBATIAN
0.01
0.004
1
SW 601OD
09/06/2024 15:08
EBATIAN
0.005
0.002
1
SW 601OD
09/06/2024 15:08
EBATIAN
0.02
0.008
1
SW 601OD
09/06/2024 15:08
EBATIAN
0.005
0.001
1
SW 601OD
09/06/2024 15:08
EBATIAN
0.015
0.004
1
SW 601OD
09/06/2024 15:08
EBATIAN
1
0.104
1
SW 6020B
09/09/2024 14:23
MHALL3
1
0.111
1
SW 6020B
09/09/2024 14:23
MHALL3
1
0.249
1
SW 6020E
09/09/2024 14:23
MHALL3
1
0.032
1
SW 6020E
09/09/2024 14:23
MHALL3
1
0.185
1
SW 6020B
09/09/2024 14:23
MHALL3
1
0.077
1
SW 6020E
09/09/2024 14:23
MHALL3
1
0.787
1
SW 6020B
09/09/2024 14:23
MHALL3
1
0.037
1
SW 6020E
09/09/2024 14:23
MHALL3
1
0.18
1
SW 6020E
09/09/2024 14:23
MHALL3
1
0.256
1
SW 6020B
09/09/2024 14:23
MHALL3
1
0.193
1
SW 6020B
09/09/2024 14:23
MHALL3
1
0.035
1
SW 6020E
09/09/2024 14:23
MHALL3
0.2
0.041
1
SW 6020B
09/09/2024 14:23
MHALL3
1
0.114
1
SW 6020E
09/09/2024 14:23
MHALL3

Certificate of Laboratory Analysis Page 10 of 20
This report shall not be reproduced, except in full.
Order # J24080227
Qualifiers:
J Analyte detected above the MDL, but below the RL. Analyte concentration should be considered an estimate.
M4 The spike recovery value was unusable since the analyte concentration in the sample was disproportionate to the spike level.
The associated Laboratory Control Spike recovery was acceptable.

Certificate of Laboratory Analysis
This report shall not be reproduced, except in full.
Order # J24080227
Level II QC Summary
Q24090023 Dionex INORGANIC IONS BY IC
Blank # 1
LCS # 1
MS # 1
MSD # 1
Page 11 of 20
Parameter
Measured
Final
Units
Dil
MDL
RDL
Relative Concentration
Chloride
0
0
mg/L
1
0.0154
0.1
< MDL
Fluoride
0.003
0.003
mg/L
1
0.0479
0.1
< MDL
Nitrate
0
0
mg/L
1
0.0209
0.1
< MDL
Sulfate
0
0
mg/L
1
0.0428
0.1
< MDL
Parameter
Measured
Final
Units
Dil
MDL
Spike
% Recovery
LCL
UCL
Chloride
4.99
4.99
mg/L
1
0.0154
5
99.8
80
120
Fluoride
4.99
4.99
mg/L
1
0.0479
5
99.8
80
120
Nitrate
5.13
5.13
mg/L
1
0.0209
5
103
80
120
Sulfate
5.16
5.16
mg/L
1
0.0428
5
103
80
120
Parent Sample:
J24080227 -- 2024020804
Parameter
Measured
Final
Units
Dil
MDL
Spike
% Recovery
LCL
UCL
Chloride
1.5
7.49
mg/L
5
0.0154
5
99.3
80
120
Fluoride
1.06
5.31
mg/L
5
0.0479
5
104
80
120
Nitrate
0.975
4.88
mg/L
5
0.0209
5
94.5
80
120
Sulfate
2.81
141
mg/L
50
0.0428
5
37
80
120
Parent Sample:
J24080227 -- 2024020804
Parameter
Measured
Final
Units
Dil
MDL
Spike
% Recovery
LCL
UCL
RPD
Chloride
1.49
7.45
mg/L
5
0.0154
5
98.6
80
120
0.469
Fluoride
1.05
5.27
mg/L
5
0.0479
5
103
80
120
0.756
Nitrate
0.968
4.84
mg/L
5
0.0209
5
93.8
80
120
0.721
Sulfate
2.87
144
mg/L
50
0.0428
5
92
80
120
1.93
Qualifiers:
M4 The spike recovery value was unusable since the analyte concentration in the sample was disproportionate
to the spike level. The associated Laboratory Control Spike recovery was acceptable.
Qualifier
Qualifier
Qualifier
M4
Qualifier

Certificate of Laboratory Analysis Page 12 of 20
This report shall not be reproduced, except in full.
Order # J24080227
Level II QC Summary
Q24090097 HG 7470 MERCURY (COLD VAPOR) IN WATER
Blank # 1
Parameter
Measured
Final
Units
Dil
MDL
RDL
Relative Concentration Qualifier
Mercury (Hg)
-0.002
-0.002
ug/L
1
0.01
0.05
< MDL
Blank # 2
Parameter
Measured
Final
Units
Dil
MDL
RDL
Relative Concentration Qualifier
Mercury (Hg)
0.008
0.008
ug/L
1
0.01
0.05
< MDL
LCS # 1
Parameter
Measured
Final
Units
Dil
MDL
Spike
% Recovery
LCL UCL
Qualifier
Mercury (Hg)
2.04
2.04
ug/L
1
0.01
2
102
85 115
MS # 1
Parent Sample:
J24080548 -- 2024022061
Parameter
Measured
Final
Units
Dil
MDL
Spike
% Recovery
LCL UCL
Qualifier
Mercury (Hg)
1.05
1.05
ug/L
1
0.01
1
104
75 125
MSD # 1
Parent Sample:
J24080548 -- 2024022061
Parameter
Measured
Final
Units
Dil
MDL
Spike
% Recovery
LCL UCL RPD
Qualifier
Mercury (Hg)
1.06
1.06
ug/L
1
0.01
1
105
75 125 0.478
MS # 2
Parent Sample:
J24080548 -- 2024022490
Parameter
Measured
Final
Units
Dil
MDL
Spike
% Recovery
LCL UCL
Qualifier
Mercury (Hg)
1.06
1.06
ug/L
1
0.01
1
106
75 125
MSD # 2
Parent Sample:
J24080548 -- 2024022490
Parameter
Measured
Final
Units
Dil
MDL
Spike
% Recovery
LCL UCL RPD
Qualifier
Mercury (Hg)
1.03
1.03
ug/L
1
0.01
1
102
75 125 3.17

Certificate of Laboratory Analysis Page 13 of 20
This report shall not be reproduced, except in full.
Order # J24080227
Level II QC Summary
Q24090050 ICP_DIS_TRM TOTAL RECOVERABLE METALS BY ICP (DISSOLVED)
Blank # 1
LCS # 1
Parameter Measured Final
Zinc (Zn) 0.00122 0.00122
Parameter Measured Final
Zinc (Zn) 5.21 5.21
LCSD # I
Parameter Measured Final
Zinc (Zn) 5.29 5.29
Units Dil MDL RDL Relative Concentration
mg/L 1 0.004 0.015 < MDL
Units Dil MDL Spike % Recovery LCL UCL
mg/L 1 0.004 5 104 80 120
Units Dil MDL Spike % Recovery LCL UCL
mg/L 1 0.004 5 106 80 120
Qualifier
Qualifier
RPD Qualifier
1.52

Certificate of Laboratory Analysis Page 14 of 20
This report shall not be reproduced, except in full.
Order # J24080227
Level II QC Summary
Q24090051 ICP_TRM TOTAL RECOVERABLE METALS BY 1CP
Blank # 1
Parameter
Measured
Final
Units
Dil
MDL
RDL
Relative Concentration
Barium (Ba)
0.000033
0.000033
mg/L
1
0.002
0.005
< MDL
Boron (B)
0.00293
0.00293
mg/L
1
0.005
0.05
< MDL
Calcium (Ca)
0.00463
0.00463
mg/L
1
0.012
0.05
< MDL
Iron (Fe)
0.00181
0.00181
mg/L
1
0.004
0.01
< MDL
Lithium (Li)
0.000847
0.000847
mg/L
1
0.002
0.005
< MDL
Magnesium (Mg)
-0.000945
-0.000945
mg/L
1
0.008
0.02
< MDL
Manganese (Mn)
0.000278
0.000278
mg/L
1
0.001
0.005
< MDL
Zinc (Zn)
0.000676
0.000676
mg/L
1
0.004
0.015
< MDL
LCS # 1
Parameter
Measured
Final
Units
Dil
MDL
Spike
% Recovery
LCL
UCL
Barium (Ba)
5.22
5.22
mg/L
1
0.002
5
104
80
120
Boron (B)
5.01
5.01
mg/L
1
0.005
5
100
80
120
Calcium (Ca)
5.26
5.26
mg/L
1
0.012
5
105
80
120
Iron (Fe)
5.17
5.17
mg/L
1
0.004
5
103
80
120
Lithium (Li)
5.1
5.1
mg/L
1
0.002
5
102
80
120
Magnesium (Mg)
5.07
5.07
mg/L
1
0.008
5
101
80
120
Manganese (Mn)
5.17
5.17
mg/L
1
0.001
5
103
80
120
Zinc (Zn)
5.2
5.2
mg/L
1
0.004
5
104
80
120
MS # 1
Parent Sample:
J24080227
-- 2024020803
Parameter
Measured
Final
Units
Dil
MDL
Spike
% Recover v
LCL
UCL
Barium (Ba)
5.29
5.29
mg/L
1
0.002
5
105
75
125
Boron (B)
5.08
5.08
mg/L
1
0.005
5
101
75
125
Calcium (Ca)
14.6
14.6
mg/L
1
0.012
5
110
75
125
Iron (Fe)
5.23
5.23
mg/L
1
0.004
5
104
75
125
Lithium (Li)
5.12
5.12
mg/L
1
0.002
5
102
75
125
Magnesium (Mg)
7.09
7.09
mg/L
1
0.008
5
103
75
125
Manganese (Mn)
5.22
5.22
mg/L
1
0.001
5
104
75
125
Zinc (Zn)
5.23
5.23
mg/L
1
0.004
5
104
75
125
MSD # 1
Parent Sample:
J24080227
-- 2024020803
Parameter
Measured
Final
Units
Dil
MDL
Spike
% Recovery
LCL
UCL
RPD
Barium (Ba)
5.22
5.22
mg/L
1
0.002
5
103
75
125
1.33
Boron (B)
5
5
mg/L
1
0.005
5
99.8
75
125
1.59
Calcium (Ca)
14.7
14.7
mg/L
1
0.012
5
112
75
125
0.683
Iron (Fe)
5.17
5.17
mg/L
1
0.004
5
103
75
125
1.15
Lithium (Li)
5.06
5.06
mg/L
1
0.002
5
101
75
125
1.18
Magnesium (Mg)
7.08
7.08
mg/L
1
0.008
5
103
75
125
0.141
Manganese (Mn)
5.14
5.14
mg/L
1
0.001
5
103
75
125
1.54
Qualifier
Qualifier
Qualifier
Qualifier

Certificate of Laboratory Analysis Page 15 of 20
This report shall not be reproduced, except in full.
Order # J24080227
Level II QC Summary
Q24090051 ICP_TRM TOTAL RECOVERABLE METALS BY ICP
MSD # 1 Parent Sample: J24080227 -- 2024020803
Parameter Measured Final Units Dil MDL Spike % Recovery LCL UCL RPD Qualifier
Zinc (Zn) 5.15 5.15 mg/L 1 0.004 5 103 75 125 1.54

Certificate of Laboratory Analysis Page 16 of 20
This report shall not be reproduced, except in full.
Order # J24080227
Level II QC Summary
Q24090065 IMS_DIS_TRM TOTAL RECOVERABLE METALS BY ICP-MS (DISSOLVED)
Blank # 1
LCS # 1
Parameter
Measured
Final
Units
Dil
MDL
RDL
Relative Concentration
Qualifier
Beryllium (Be)
0
0
ug/L
1
0.249
1
< MDL
Cadmium (Cd)
-0.027
-0.027
ug/L
1
0.032
1
< MDL
Chromium (Cr)
0.104
0.104
ug/L
1
0.185
1
< MDL
Copper (Cu)
0.026
0.026
ug/L
1
0.787
1
< MDL
Lead (Pb)
0.023
0.023
ug/L
1
0.037
1
< MDL
Nickel (Ni)
0.041
0.041
ug/L
1
0.256
1
< MDL
Silver (Ag)
-0.001
-0.001
ug/L
1
0.035
1
< MDL
Parameter
Measured
Final
Units
Dil
MDL
S ike
% Recovery
LCL
UCL Qualifier
Beryllium (Be)
49.7
49.7
ug/L
1
0.249
50
99.3
80
120
Cadmium (Cd)
51.1
51.1
ug/L
1
0.032
50
102
80
120
Chromium (Cr)
51.8
51.8
ug/L
1
0.185
50
104
80
120
Copper (Cu)
53.5
53.5
ug/L
1
0.787
50
107
80
120
Lead (Pb)
53.3
53.3
ug/L
1
0.037
50
107
80
120
Nickel (Ni)
52.3
52.3
ug/L
1
0.256
50
105
80
120
Silver (Ag)
52.7
52.7
ug/L
1
0.035
50
105
80
120
LCSD # 1
Parameter
Measured
Final
Units
Dil
MDL
Spike
% Recovery
LCL
UCL
RPD Qualifier
Beryllium (Be)
49.5
49.5
ug/L
1
0.249
50
99
80
120
0.317
Cadmium (Cd)
51.6
51.6
ug/L
1
0.032
50
103
80
120
0.952
Chromium (Cr)
51.8
51.8
ug/L
1
0.185
50
104
80
120
0.102
Copper (Cu)
53.3
53.3
ug/L
1
0.787
50
107
80
120
0.328
Lead (Pb)
53.9
53.9
ug/L
1
0.037
50
108
80
120
1.16
Nickel (Ni)
52.5
52.5
ug/L
1
0.256
50
105
80
120
0.315
Silver (Ag)
53
53
ug/L
1
0.035
50
106
80
120
0.586

Certificate of Laboratory Analysis
This report shall not be reproduced, except in full.
Order # J24080227
Level II QC Summary
Q24090066 IMS_TRM TOTAL RECOVERABLE METALS BY ICP-MS
Blank # 1
Parameter
Measured
Final
Units
Dil
MDL
RDL
Relative Concentration
Antimony (Sb)
0.011
0.011
ug/L
1
0.104
1
< MDL
Arsenic (As)
0.003
0.003
ug/L
1
0.111
1
< MDL
Beryllium (Be)
-0.004
-0.004
ug/L
1
0.249
1
< MDL
Cadmium (Cd)
0.004
0.004
ug/L
1
0.032
1
< MDL
Chromium (Cr)
0.024
0.024
ug/L
1
0.185
1
< MDL
Cobalt (Co)
0.004
0.004
ug/L
1
0.077
1
< MDL
Copper (Cu)
-0.001
-0.001
ug/L
1
0.787
1
< MDL
Lead (Pb)
0.001
0.001
ug/L
1
0.037
1
< MDL
Molybdenum (Mo)
0.012
0.012
ug/L
1
0.18
1
< MDL
Nickel (Ni)
-0.003
-0.003
ug/L
1
0.256
1
< MDL
Selenium (Se)
0.002
0.002
ug/L
1
0.193
1
< MDL
Silver (Ag)
0
0
ug/L
1
0.035
1
< MDL
Thallium (TI) Low Level
0
0
ug/L
1
0.041
0.2
< MDL
Vanadium (V)
0.021
0.021
ug/L
1
0.114
1
< MDL
LCS # 1
Page 17 of 20
Parameter
Measured
Final
Units
Dil
MDL
Spike
% Recover v
LCL
UCL
Antimony (Sb)
48.4
48.4
ug/L
1
0.104
50
96.8
80
120
Arsenic (As)
47.2
47.2
ug/L
1
0.111
50
94.5
80
120
Beryllium (Be)
48.5
48.5
ug/L
1
0.249
50
97
80
120
Cadmium (Cd)
48.8
48.8
ug/L
1
0.032
50
97.6
80
120
Chromium (Cr)
48.3
48.3
ug/L
1
0.185
50
96.6
80
120
Cobalt (Co)
50.4
50.4
ug/L
1
0.077
50
101
80
120
Copper (Cu)
51.2
51.2
ug/L
1
0.787
50
102
80
120
Lead (Pb)
51.4
51.4
ug/L
1
0.037
50
103
80
120
Molybdenum (Mo)
50.4
50.4
ug/L
1
0.18
50
101
80
120
Nickel (Ni)
50.3
50.3
ug/L
1
0.256
50
101
80
120
Selenium (Se)
45.6
45.6
ug/L
1
0.193
50
91.2
80
120
Silver (Ag)
50.4
50.4
ug/L
1
0.035
50
101
80
120
Thallium (TI) Low Level
49.2
49.2
ug/L
1
0.041
50
98.4
80
120
Vanadium (V)
49.1
49.1
ug/L
1
0.114
50
98.1
80
120
MS # 1
Parent Sample:
J24080227
-- 2024020804
Parameter
Measured
Final
Units
Dil
MDL
Spike
% Recovery
LCL
UCL
Antimony (Sb)
49.2
49.2
ug/L
1
0.104
50
96.9
75
125
Arsenic (As)
49.4
49.4
ug/L
1
0.111
50
93.3
75
125
Beryllium (Be)
47.2
47.2
ug/L
1
0.249
50
94.3
75
125
Cadmium (Cd)
48.3
48.3
ug/L
1
0.032
50
96.6
75
125
Chromium (Cr)
49.7
49.7
ug/L
1
0.185
50
97.5
75
125
Cobalt (Co)
48.8
48.8
ug/L
1
0.077
50
96.1
75
125
Qualifier
Qualifier
Qualifier

Certificate of Laboratory Analysis Page 18 of 20
This report shall not be reproduced, except in full.
Order # J24080227
Level II QC Summary
Q24090066 IMS_TRM TOTAL RECOVERABLE METALS BY ICP-MS
MS # 1
Parameter
Measured
Final
Units
Dil
MDL
Copper(Cu)
50
50
ug/L
1
0.787
Lead (Pb)
51.9
51.9
ug/L
1
0.037
Molybdenum (Mo)
60.8
60.8
ug/L
1
0.18
Nickel (Ni)
53.5
53.5
ug/L
1
0.256
Selenium (Se)
63.6
63.6
ug/L
1
0.193
Silver (Ag)
49.1
49.1
ug/L
1
0.035
Thallium (TI) Low Level
49.9
49.9
ug/L
1
0.041
Vanadium (V)
53.7
53.7
ug/L
1
0.114
MSD # 1
Parameter
Measured
Final
Units
Dil
MDL
Antimony (Sb)
50
50
ug/L
1
0.104
Arsenic (As)
50.5
50.5
ug/L
1
0.111
Beryllium (Be)
48.6
48.6
ug/L
1
0.249
Cadmium (Cd)
49.5
49.5
ug/L
1
0.032
Chromium (Cr)
50.8
50.8
ug/L
1
0.185
Cobalt (Co)
49.8
49.8
ug/L
1
0.077
Copper (Cu)
51.1
51.1
ug/L
1
0.787
Lead (Pb)
51.5
51.5
ug/L
1
0.037
Molybdenum (Mo)
61.7
61.7
ug/L
1
0.18
Nickel (Ni)
54.9
54.9
ug/L
1
0.256
Selenium (Se)
65.8
65.8
ug/L
1
0.193
Silver (Ag)
50.1
50.1
ug/L
1
0.035
Thallium (TI) Low Level
49.6
49.6
ug/L
1
0.041
Vanadium (V)
54.9
54.9
ug/L
1
0.114
Parent Sample:
J24080227 -- 2024020804
Spike
% Recovery
LCL
UCL
50
96.7
75
125
50
103
75
125
50
101
75
125
50
94.3
75
125
50
88.9
75
125
50
98.3
75
125
50
99.5
75
125
50
98.9
75
125
Parent Sample:
J24080227
-- 2024020804
Spike
% Recovery
LCL
UCL
RPD
50
98.6
75
125
1.65
50
95.3
75
125
2.1
50
97.2
75
125
3.11
50
98.9
75
125
2.39
50
99.8
75
125
2.32
50
98.3
75
125
2.14
50
99
75
125
2.21
50
103
75
125
0.694
50
103
75
125
1.39
50
97.1
75
125
2.64
50
93.3
75
125
3.38
50
100
75
125
1.95
50
98.8
75
125
0.701
50
101
75
125
2.26
Qualifier
Qualifier

Certificate of Laboratory Analysis Page 19 of 20
This report shall not be reproduced, except in full.
Order # J24080227
Level II QC Summary
Q24090024 TDS TOTAL DISSOLVED SOLIDS
Blank # 1
Blank # 2
Parameter Measured Final
TDS -0.2
Parameter Measured Final
TDS -0.3
Duplicate # 1
Parameter Measured Final
TDS 124
Duplicate # 2
Parameter Measured Final
TDS 341
LCS # 1
LCS # 2
Parameter Measured Final
TDS 488
Parameter Measured Final
TDS 492
Units
Dil
MDL
RDL
Relative Concentration
Qualifier
mg/L
1
25
25
< MDL
Units
Dil
MDL
RDL
Relative Concentration
Qualifier
mg/L
1
25
25
< MDL
Parent Sample:
J24080005 -- 2024019961
Units
Dil
MDL
RPD
Qualifier
mg/L
1
25
0
Parent Sample:
J24090092 -- 2024023424
Units
Dil
MDL
RPD
Qualifier
mg/L
1
25
0.294
Units
Dil
MDL
Spike
% Recovery
LCL
UCL
Qualifier
mg/L
1
25
500
97.6
90
110
Units
Dil
MDL
Spike
% Recovery
LCL
UCL
Qualifier
mg/L
1
25
500
98.4
90
110

CHAIN OF CUSTODY RECORD AND ANALYSIS REQUEST FORM
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