Appendix J - Technical Memorandum – Toxicity Testing of Lithium Hydroxide Conversion Tailings

Piedmont Lithium Carolinas, Inc. I North Carolina Mining Permit Application
Appendices
PIEDMONT
LITHIUM
Appendix J: Technical
Memorandum — Toxicity
Testing of Lithium Hydroxide
Conversion Tailings

DAAONT Technical
NEMemorandum
Toxicity Testing of Lithium Hydroxide
Conversion Plant Tailings
Piedmont Lithium Carolinas, Inc.
Gaston County, North Carolina
August 26, 2021

This page intentionally left blank.

Piedmont Lithium I Technical Memorandum — Toxicity Testing ���
Contents
Contents
ExecutiveSummary.................................................................................................................
1
1 Introduction.......................................................................................................................
3
2 Methods............................................................................................................................4
2.1 Sample Generation....................................................................................................
4
2.2 Laboratory Analyses..................................................................................................
4
3 Results..............................................................................................................................5
3.1 Totals Analyses..........................................................................................................
5
3.2 TCLP Analyses..........................................................................................................
6
3.3 Acid -Base Accounting Analysis..................................................................................
8
3.4 Comparison to Baseline Groundwater Quality Data ...................................................
8
4 Waste Characterization....................................................................................................10
5 Conclusions.....................................................................................................................11
Tables
Table 1: Summary of laboratory analyses.................................................................................. 4
Table 2: Summary of laboratory results — totals analyses.......................................................... 5
Table 3: Summary of laboratory results — TCLP analyses.......................................................... 7
Attachments
Attachment 1 — Laboratory Report
Attachment 2 — Technical Memorandum — Water Quality Testing, Piedmont Lithium, March 19,
2020

Piedmont Lithium I Technical Memorandum — Toxicity Testing ���
Contents
List of Acronyms
2L
NCDEQ 15A NCAC 02L .0202 groundwater standards
DWM
Division of Waste Management
HDR
HDR Engineering, Inc. of the Carolinas
IMAC
Interim Maximum Allowable Concentrations
UGH
Lithium hydroxide
MCC
Maximum Concentration of Contaminants
MO
Metso-Outotec
NCDEQ
North Carolina Department of Environmental Quality
PACE
Pace Analytical Services, LLC
PCB
polychlorinated biphenyls
PSRG
Preliminary Soil Remediation Goals
PLCI
Piedmont Lithium Carolinas, Inc.
RCRA
Resource Conservation and Recovery Act
SVOC
Semi -volatile Organic Compounds
TCLP
Toxicity Characteristic Leaching Procedures
TSB
Tin-Spodumene Belt
USEPA
Environmental Protection Agency
VOC
Volatile Organic Compounds

Piedmont Lithium I Technical Memorandum — Toxicity Testing ���
Executive Summary
Executive Summary
Piedmont Lithium Carolinas, Inc. (PLCI) is proposing to construct an open pit mine in the
Carolina Tin-Spodumene Belt (TSB) of North Carolina where lithium -bearing pegmatites have
been identified. The Concentrate Operations and the Lithium Hydroxide Conversion Plant (the
Site) is in the TSB of the Piedmont physiographic province in south-central North Carolina. The
approximately 1,548-acre Site is in an unincorporated area of Gaston County, on private land
surrounding portions of Hephzibah Church Road, Whitesides Road, and St. Mark's Church
Road, approximately one mile east of Cherryville, North Carolina.
The overall Concentrate Operation is composed of three components: the Piedmont Lithium
Carolinas Mine #1, a Concentrate Plant, and an Industrial Minerals Plant. The Piedmont Lithium
Carolinas Mine #1 will consist of four open pits of varying sizes, a waste rock disposal area,
topsoil stockpiles areas, haul roads, and other mine support areas. This process will produce
native overburden and dry -stacked concentrator tails at the Concentrate Plant. PLCI is proposing to
dry -stack the co -mingled mine refuse streams (native overburden and concentrator tails) in the
waste rock disposal area and/or use the refuse for reclamation to backfill the mine pits. The Lithium
Hydroxide Conversion Plant will accept concentrated ore from the Concentrate Plant and
ultimately produce Analcime tailings, which PLCI is also proposing to dry -stack and co -mingle as
mine refuse in the waste rock disposal area. Tailings from either the Concentrate Operation or
Lithium Hydroxide Conversion Plant will be mechanically dewatered and dry stacked; slurry
impoundments are not proposed. This integrated approach (Concentrate Operations and Lithium
Hydroxide Conversion Plant) will allow PLCI to concentrate and convert mined ore to battery -
grade lithium hydroxide within Gaston County, Cleveland County, and surrounding areas.
PLCI commissioned Metso-Outotec (MO) to replicate ore concentrate conversion methods to be
undertaken by PLCI during operation of the proposed Lithium Hydroxide Conversion Plant
through bench -scale testing to convert spodumene concentrate into battery -grade lithium
hydroxide (LiOH). On behalf of PLCI, HDR Engineering, Inc. of the Carolinas (HDR) obtained
one sample of the Analcime tailings produced by the MO study to characterize the material via
Toxicity Characteristic Leaching Procedures (TCLP). The sample (MO-1) was submitted to a
North Carolina accredited analytical laboratory for TCLP testing. Subsequent to receipt of
laboratory data, HDR requested that the laboratory run a secondary TCLP analysis for arsenic
using United States (U.S.) Environmental Protection Agency (EPA) Method 6020B to achieve a
lower reporting limit of 0.002 mg/L.
The results of testing indicate that the Analcime tailings do not qualify as toxic hazardous waste
since TCLP concentrations did not exceed USEPA Maximum Concentration of Contaminants
(MCC) for toxicity characteristic testing. Aluminum and calcium were the only constituents which
leached at concentrations greater than the laboratory reporting limit. Other metals were
detected in the leachate sample at estimated concentrations (J-values), but did not exceed the
laboratory reporting limit, USEPA MCC, or NCDEQ 15A NCAC 02L .0202 groundwater
standards (2L Standards).

Piedmont Lithium I Technical Memorandum — Toxicity Testing ���
Executive Summary
In accordance with North Carolina General Statutes (G.S.) 74-49(14) (Mining Act of 1971) and
130A-290(a)(35) (Solid Waste Management) and based on the results of TCLP testing
presented herein, the Analcime sample (Lithium Hydroxide Conversion Plant tailings) do not
represent a toxic hazardous waste and do not fit the criteria for a solid waste under the Solid
Waste Management general statute definitions.

Piedmont Lithium I Technical Memorandum — Toxicity Testing
Introduction
1 Introduction
At the request of Piedmont Lithium Carolinas, Inc. (PLCI), HDR Engineering, Inc. of the
Carolinas (HDR) has completed preliminary waste characterization testing of one lithium
hydroxide (LiOH) conversion tailings sample, as provided by Metso-Outotec (MO). MO shipped
the samples to HDR under chain -of -custody protocol for analysis by Pace Analytical Services,
LLC (Pace). It is our understanding that testing of the samples was requested by PLCI to
characterize the tailings of the UGH conversion process of spodumene concentrate to battery -
grade UGH. The lithium -bearing spodumene mineral would be extracted from the open pits at
the Piedmont Lithium Carolinas Mine #1, conveyed to the Concentrate Plant to produce
spodumene concentrate, then conveyed to the Lithium Hydroxide Conversion Plant for the
chemical conversion process. The results of the Analcime tailings characterization will be
shared with the North Carolina Department of Environmental Quality (NCDEQ) Division of
Waste Management (DWM) for their awareness as PLCI proposes to dispose of the Lithium
Hydroxide Conversation Plant Analcime tailings comingled with native overburden and dry -
stacked concentrator tails in a waste rock disposal area at the Piedmont Lithium Carolinas Mine
#1. In addition, PLCI will share these results with Gaston County such that they may be
available to the general public, as needed.

Piedmont Lithium I Technical Memorandum — Toxicity Testing
Methods
2 Methods
2.1 Sample Generation
The Analcime sample was produced by MO through a bench -scale UGH conversion process
performed by MO to replicate the conversion of spodumene concentrate into battery -grade UGH
to be undertaken by PLCI during operation of the proposed Lithium Hydroxide Conversation
Plant operations in Gaston County, North Carolina.
2.2 Laboratory Analyses
HDR received approximately 500 grams of granular sample (MO-1) and transferred the entire
sample to Pace for analysis of total and leachable concentrations, as presented in Table 1.
TCLP data was used to characterize the Analcime tailings material as either hazardous or non-
hazardous for disposal purposes. Note that the USEPA has established TCLP criteria for a
limited list of constituents, as specified in 40 CFR § 261.24.
Table 1: Summary of laboratory analyses
Granular Sample MO-1
Total volatile organic compounds VOCs
USEPA Method 8260D
Total semi -volatile organic compounds SVOCs
USEPA Method 8270E
Total pesticides
USEPA Method 8081 B
Total PCBs
USEPA Method 8082A
Total metals specific list
USEPA Method 6010D
Total mercury
USEPA Method 7471 B
Total fluoride USEPA Method 9056
Leachate Sample MO-1
TCLP VOCs
USEPA Method 8260D/1311
TCLP SVOCs
USEPA Method 8270E/1311
TCLP pesticides
USEPA Method 8081 B/1311
TCLP PCBs
USEPA Method 8082A/1311
TCLP metals (specific list
USEPA Method 6010D/1311
TCLP Mercury
USEPA Method 7471 B/1311
Arsenic as water*
USEPA Method 6020B
*Note that, subsequent to receipt of laboratory data, HDR identified that the USEPA Method 6010D resulted in a reporting limit of 50
pg/L for arsenic, which exceeded its 2L Standard of 10 tag/L. Thus, HDR requested that the laboratory run a secondary TCLP
analysis for arsenic as a water sample using USEPA Method 6020B to achieve a lower reporting limit of 2 p/L.

Piedmont Lithium I Technical Memorandum — Toxicity Testing
Results
3 Results
3.1 Totals Analyses
Laboratory results (totals analyses) of granular samples were compared to NCDEQ
Industrial/Commercial and Protection of Groundwater Preliminary Soil Remediation Goals
(PSRGs). No constituents exceeded the Industrial/Commercial PSRGs. Iron and manganese
exceeded the Protection of Groundwater PSRGs. Laboratory results are summarized in
Table 2. A copy of the laboratory report for totals analyses is included in Attachment 1.
Table 2: Summary of laboratory results - totals analyses
Regulatory Criteria
Constituent
NCDEQ
Industrial/ Commercial
PSRGs
(mg/kg)
NCDEQ
Protection of
Groundwater PSRGs
(mg/kg)
MO-1
(mg/kg)
Pesticides (EPA 8081 B)
No Analytes Reported Above the Laboratory Reporting Limits
PCBs (EPA 8082A)
No Analytes Reported Above the Laboratory Reporting Limits
Metals (EPA 6010D)
Aluminum
230,000
110,000
81,900
Antimony
93
0.9
1.3 J
Arsenic
Barium
Beryllium
3.0
47,000
470
5.8
580
63
0.96 J
4.8
32.6
Calcium
Chromium
(III/VI)
--
350,000 / 6.5
--
360,000 / 3.8
72,200
6.7
Copper
91300
700
5.4 J
Iron
160,000
150
2,470
Magnesium
--
--
1,200
Manganese
5,600
65
I 538
Nickel
41700
130
8.5
Selenium
1,200
2.1
I 1.6
Sodium
Strontium
Titanium
--
140,000
--
--
1,500
--
69,500 J
36.6
31.4

Piedmont Lithium I Technical Memorandum — Toxicity Testing
Results
Regulatory Criteria
Constituent
NCDEQ
Industrial/ Commercial
PSRGs
(mg/kg)
NCDEQ
Protection of
Groundwater PSRGs
(mg/kg)
MO-1
(mg/kg)
Vanadium
I 1,200
I 350I
3.8
Zinc
70,000
1,200
I 19.8
Mercury (EPA 7471 B)
No Analytes Reported Above the Laboratory Reporting Limits
SVOCs (EPA 8270E)
No Analytes Reported Above the Laboratory Reporting Limits
VOCs (EPA 826013)
No Analytes Reported Above the Laboratory Reporting Limits
Fluoride (EPA 9056A)
No Analytes Reported Above the Laboratory Reporting Limits
Notes:
1. NCDEQ = North Carolina Department of Environmental Quality
2. PSRG = North Carolina Preliminary Soil Remediation GoalsJuly 2020
3. U = constituent not detected at or above the laboratory detection limit
4. J = estimated value detected between the detection limit and reporting limit
5. Shaded = concentration exceeded Protection of Groundwater PSRG
6. Bold/Underlined = concentration exceeded Industrial/Commercial PSRG
GLP Analyses
Leachate samples (TCLP analyses) were compared to NCDEQ 15A NCAC 02L .0202
groundwater standards (21- Standards) or NCDEQ Interim Maximum Allowable Concentrations
(IMACs) and USEPA MCCs for toxicity characteristic testing. The USEPA MCCs are used as a
standard for classifying hazardous waste, while the 2L Standards/IMACs are used to evaluate
potential impacts to groundwater. None of the constituents sampled exceeded the 2L Standards
or the USEPA MCCs. Leachate sample laboratory results are summarized in Table 3. A copy of
the laboratory report for TCLP analyses is included in Attachment 1.

Piedmont Lithium I Technical Memorandum — Toxicity Testing
Results
Table 3: Summary of laboratory results - TCLP analyses
Constituent
Regulatory Criteria
MO-1
(pg/L)
NC 21L
Standard / IMAC
(pg/L)
USEPA MCC
for Toxicity
Characteristic (pg/L)
TCLP Pesticides (EPA 80813/1311)
No Analytes Reported Above the Laboratory Reporting Limits
TCLP PCBs (EPA 8082A/1311)
No Analytes Reported Above the Laboratory Reporting Limits
TCLP Metals (EPA 6010D/1311)
Aluminum -- I -- 800
Antimony 1 -- 10 J
Arsenic 10 5,000 <50
Barium I 700 I 100,000 I 43 J
Beryllium
4
--
2.0 J
Calcium
Copper
--
1,000
--
--
27,700
12 J
Magnesium
--
I --
340 J
Manganese
50
I --
5.9 J
Strontium
--
I --
16 J
Titanium
--
--
4.7 J
Zinc
1,000
--
33 J
Arsenic Leachate (EPA 602013)
Arsenic
10 I 5,000 0.22 J
TCLP Mercury (EPA 7470A/1311)
No Analytes Reported Above the Laboratory Reporting Limits
TCLP SVOCs (EPA 8270E)
No Analytes Reported Above the Laboratory Reporting Limits
TCLP VOCs (EPA 8260D)
No Analytes Reported Above the Laboratory Reporting Limits
Notes:
1. USEPA = United States Environmental Protection Agency
2. 2L Standard = North Carolina Groundwater Protection Standard (T15ANCAC 02L .0202)
3. IMAC = Interim Allowable Maximum Concentration
4. TCLP = Toxicity Characteristic Leaching Procedure
5. pg/L = microgram perliter
6. Bold/Underlined = concentration exceeded 2LStandard/IMAC
The results of testing indicate that the Analcime tailings do not qualify as toxic hazardous waste
since TCLP concentrations did not exceed USEPA MCC for toxicity characteristic testing.

Piedmont Lithium I Technical Memorandum — Toxicity Testing
Results
Additionally, none of the constituents sampled exceeded the NC 2L Standard or IMAC.
Aluminum and calcium were the only constituents which leached at concentrations greater than
the laboratory reporting limit. Other metals were detected in the leachate sample at estimated
concentrations (J-values), but by definition, did not exceed the laboratory reporting limits.
For reference, a laboratory reporting limit is defined as the smallest concentration of a
constituent that can be reported by a laboratory. A method detection limit is the minimum
measured concentration of a constituent which can be reported within a 99% confidence
interval. A value which is detected above the reporting limit but below the method detection
limit is assigned a "J-value", which indicates that the concentration is estimated. The reporting
limit and method detection limit of a laboratory methodology should be able to produce results
at a lower concentration than the established USEPA or NC criteria for that constituent.
Secondary analysis of the aqueous leachate sample for arsenic resulted in an estimated (J-
value) concentration of 0.22 p/L using USEPA Method 6020B, well below the 2L Standard of 10
p/L.
3.3 Acid -Base Accounting Analysis
A portion of the MO-1 sample was separated and analyzed by Pace for Acid -Base Accounting
(ABA) analysis to provide an assessment of the acid -producing and acid neutralizing potential of
the Analcime tailings. Oversight of the ABA testing was performed by Marshall Miller &
Associates and are summarized in a separate memorandum.
3.4 Comparison to Baseline Groundwater Quality Data
In June and July 2018, PLI installed five monitoring wells (MW-1 through MW-5), one aquifer
test pumping well (PW-1), and four aquifer test observation wells (OW-1 S, OW-1 D, OW-2S, and
OW-21D) to facilitate an aquifer pumping test and baseline groundwater quality monitoring at the
planned mine site. Between August 2018 and February 2020, HDR conducted 17 groundwater
gauging events, 12 groundwater sampling events, 2 surface water flow monitoring events, and
12 surface water sampling events. The results of the gauging and sampling events were
summarized in a Technical Memorandum dated March 19, 2020 (Attachment 2).
The results of baseline monthly groundwater sampling indicated that concentrations of naturally -
occurring inorganic constituents were detected in each monitoring well within the sampling
network. Naturally -occurring concentrations that exceeded 2L Standards were observed as
follows:
• Arsenic concentrations in well MW-5 ranged from less than 10 pg/L to 221 pg/L in well
MW-5 and from less than 10 pg/L to 26.0 pg/L in well PW-1. The 2L Standard for arsenic
is 10 p/L.
• Chromium concentrations in well MW-2 ranged from less than 5.0 pg/L to 12.80 pg/L in
well MW-2; from less than 5.0 pg/L to 25.7 pg/L in well MW-4; and from less than 5.0
pg/L to 328 pg/L in well MW-5. The 2L Standard for total chromium is 10 p/L.
• Lead concentrations ranged from <5.0 pg/L to 30.1 fag/L in well OW-1 D. The 2L
Standard for lead is 15 p/L.

Piedmont Lithium I Technical Memorandum — Toxicity Testing
Results
• Manganese was detected above the laboratory reporting limit in samples collected from
each monitoring well and exceeded the 2L Standard (50 p/L) in wells OW-1 D and OW-
2S with maximum concentrations of 63.9 pg/L and 65.5 pg/L, respectively.
• Selenium exceeded the 2L Standard (20 p/L) in well MW-5 (26.7 pg/L) during the first
sampling event in August 2018 but was not detected in other wells during the remainder
of the sampling program.
When comparing the results presented herein with the groundwater quality results collected at
the site between 2018 and 2020, the TCLP results for arsenic in the Analcime tailing sample are
not only lower than the USEPA MCC Toxicity Characteristic criteria, but also lower than
naturally -occurring groundwater conditions observed at the site.

Piedmont Lithium I Technical Memorandum — Toxicity Testing ���
Waste Characterization
4 Waste Characterization
In accordance with North Carolina General Statutes (G.S.) 74-49(14) (Mining Act of 1971),
"refuse" means all waste soil, rock, mineral, scrap, tailings, slimes, and other material directly
connected with the mining, cleaning, and preparation of substances mined and shall include all
waste materials deposited on or in the permit area from other sources.
In accordance with G.S. 130A-290(a)(35) (Solid Waste Management), "solid waste" means any
hazardous or nonhazardous garbage, refuse or sludge from a waste treatment plant, water
supply treatment plant or air pollution control facility, domestic sewage and sludges generated
by the treatment thereof in sanitary sewage collection, treatment and disposal systems, and
other material that is either discarded or is being accumulated, stored or treated prior to being
discarded, or has served its original intended use and is generally discarded, including solid,
liquid, semisolid or contained gaseous material resulting from industrial, institutional,
commercial and agricultural operations, and from community activities. Under G.S. 130A-
290(a)(35)e., "solid waste" does not include mining refuse covered by the North Carolina Mining
Act, G.S. 74-46 through 74-68 and regulated by the North Carolina Mining Commission (as
defined under G.S. 143B-293.1). However, any specific mining waste that meets the criteria for
hazardous waste under Resource Conservation and Recovery Act (RCRA) shall also be a solid
waste for the purposes of this Article.
Based on the results of TCLP testing presented herein, the Analcime tailing sample does not
represent a toxic hazardous waste, and thus, do not fit the criteria for a solid waste under the
Solid Waste Management general statute definitions.
10

Piedmont Lithium I Technical Memorandum — Toxicity Testing
Conclusions
5 Conclusions
Based on the laboratory results presented herein, HDR makes the following conclusions:
Results of totals analyses of the granular MO sample indicated that iron and
manganese exceeded Protection of Groundwater PSRGs; however, these
concentrations are typical of naturally -occurring soils in the Piedmont Physiographic
Province of North Carolina. Based on these results, dry -stacking or co -mingling of
Analcime tailings in the waste rock disposal area and/or as reclamation material to
backfill the mine pits is not anticipated to adversely affect soil or groundwater quality
conditions beyond what is known to occur naturally.
Results of leaching tests (TCLP analyses) indicated that metals did not leach at
concentrations above the 2L Groundwater Quality Standards. Note that the
laboratory reporting limit exceeded the 2L Standards for antimony, cadmium,
chromium, cobalt, lead, selenium, thallium, and vanadium. However, antimony,
cadmium, cobalt, lead, and thallium were either not detected above the laboratory
reporting limits or detected at estimated concentrations (J-values) in the total
analyses, and thus would not be expected to leach during the TCLP analyses.
Analysis of the aqueous leachate sample for arsenic (to attain a lower laboratory
reporting limit) resulted in an estimated (J-value) concentration of 0.22 p/L using
USEPA Method 6020B, well below the 2L Standard of 10 p/L. Thus, arsenic is not
expected to leach from the Analcime tailings at concentrations that would exceed
the Groundwater Quality Standard or naturally -occurring concentrations in
groundwater in the vicinity of the site.
• USEPA MCC concentrations were not exceeded in the sample analyzed during this
work, indicating that the Analcime tailing material should not be characterized as
toxic hazardous waste for disposal purposes.
11

Piedmont Lithium I Technical Memorandum — Toxicity Testing
Conclusions
This page intentionally left blank.
12

Piedmont Lithium I Technical Memorandum — Toxicity Testing ���
Attachment 1 — Laboratory Report
Attachment 1 — Laboratory
Report

Piedmont Lithium I Technical Memorandum — Toxicity Testing ���
Attachment 1 — Laboratory Report
This page intentionally left blank.

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
July 30, 2021
Mark Filardi
HDR
440 S. Church St
Suite 900
Charlotte, NC 28202
RE: Project: PLI TOXICITY
Pace Project No.: 92550467
Dear Mark Filardi:
Enclosed are the analytical results for sample(s) received by the laboratory on July 20, 2021. The results relate only to the
samples included in this report. Results reported herein conform to the applicable TNI/NELAC Standards and the
laboratory's Quality Manual, where applicable, unless otherwise noted in the body of the report.
The test results provided in this final report were generated by each of the following laboratories within the Pace Network:
• Pace Analytical Gulf Coast
• Pace Analytical Services - Asheville
• Pace Analytical Services - Charlotte
If you have any questions concerning this report, please feel free to contact me.
Sincerely,
2�4----
Tyler Forney
[e-mail]
[phone]
Project Manager
Enclosures
cc: Charles Gruenberg
Amanda Mills, HDR
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
Page 1 of 75

lacieAnalyfica('
www,pacelabs.com
Pace Analytical Services, LLC
9800 KinceyAve. Suite 100
Huntersville, NC 28078
[phone]
Project: PLI TOXICITY
Pace Project No.: 92550467
Pace Analytical Gulf Coast
7979 Innovation Park Drive, Baton Rouge, LA 70820
Arkansas Certification #: 88-0655
DoD ELAP Certification #: L18-597
Florida Certification #: E87854
Illinois Certification #: 004585
Kansas Certification #: E-10354
Louisiana/LELAP Certification #: 01955
North Carolina Certification #: 618
Pace Analytical Services Charlotte
9800 Kincey Ave. Ste 100, Huntersville, NC 28078
Louisiana/NELAP Certification # LA170028
North Carolina Drinking Water Certification #: 37706
North Carolina Field Services Certification #: 5342
North Carolina Wastewater Certification #: 12
Pace Analytical Services Asheville
2225 Riverside Drive, Asheville, NC 28804
Florida/NELAP Certification #: E87648
North Carolina Drinking Water Certification #: 37712
CERTIFICATIONS
North Dakota Certification #: R-195
Oklahoma Certification #: 2019-101
South Carolina Certification #: 73006001
Texas Certification #: T104704178-19-11
USDA Soil Permit # P330-19-00209
Virginia Certification #: 460215
Washington Certification #: C929
South Carolina Certification #: 99006001
Florida/NELAP Certification #: E87627
Kentucky UST Certification #: 84
Virginia/VELAP Certification #: 460221
North Carolina Wastewater Certification #: 40
South Carolina Certification #: 99030001
Virginia/VELAP Certification #: 460222
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC. Page 2 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
SAMPLE SUMMARY
Project: PLI TOXICITY
Pace Project No.: 92550467
Lab ID
Sample ID
Matrix
Date Collected
Date Received
92550467001
92550467002
MO-1
MO-1
Solid
Water
06/29/2112:00
06/29/2112:00
07/20/2111:45
07/20/2111:45
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
Page 3 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
SAMPLE ANALYTE COUNT
Project: PLI TOXICITY
Pace Project No.: 92550467
Analytes
Lab lD Sample ID
Method
Analysts
Reported
Laboratory
92550467001 MO-1
EPA 8081 B
BAJ
24
PASI-C
EPA 8081 B
SEM
9
PASI-C
EPA 8082A
BAJ
8
PASI-C
EPA 8082A
SEM
8
PASI-C
EPA 6010D
CBV, SH1
26
PASI-A
EPA 6010D
CBV
26
PASI-A
EPA 7470A
SOO
1
PASI-A
EPA 7471 B
SOO
1
PASI-A
EPA 8270E
BPJ
75
PASI-C
EPA 8270E
PKS
18
PASI-C
EPA 8260D
SAS
70
PASI-C
EPA 8260D
SAS
14
PASI-C
SW-846
KDF
1
PASI-C
EPA 9056
CJS
1
GCLA
92550467002 MO-1
EPA 6020E
JOR
1
PASI-A
GCLA = Pace Analytical Gulf Coast
PASI-A = Pace Analytical Services - Asheville
PASI-C = Pace Analytical Services - Charlotte
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC. Page 4 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
PROJECT NARRATIVE
Project: PLI TOXICITY
Pace Project No.: 92550467
Date: July 30, 2021
In the EPA 9056A analysis, sample 22107211101 (MO-1) was analyzed one day outside holding time. The sample was originally
analyzed within in holding time at at a 5X dilution but required re -analysis at 1X. Both runs were non -detect for Fluoride.
MO-1 (Lab ID: 92550467002)
• This sample is the same sample as 92550467-001. The sample was leached via method 1311, and that leachate was analyzed.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC. Page 5 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
PROJECT NARRATIVE
Project: PLI TOXICITY
Pace Project No.: 92550467
Method: EPA 8081 B
Description: 8081 GCS Pesticides
Client: HDR Engineering
Date: July 30, 2021
General Information:
1 sample was analyzed for EPA 8081 B by Pace Analytical Services Charlotte. All samples were received in acceptable condition with
any exceptions noted below or on the chain -of custody and/or the sample condition upon receipt form (SCUR) attached at the end of
this report.
Hold Time:
The samples were analyzed within the method required hold times with any exceptions noted below.
H3: Sample was received or analysis requested beyond the recognized method holding time.
• MO-1 (Lab ID: 92550467001)
Sample Preparation:
The samples were prepared in accordance with EPA 3546 with any exceptions noted below.
Initial Calibrations (including MS Tune as applicable):
All criteria were within method requirements with any exceptions noted below.
Continuing Calibration:
All criteria were within method requirements with any exceptions noted below.
Surrogates:
All surrogates were within QC limits with any exceptions noted below.
Method Blank:
All analytes were below the report limit in the method blank, where applicable, with any exceptions noted below.
Laboratory Control Spike:
All laboratory control spike compounds were within QC limits with any exceptions noted below.
QC Batch: 635304
L2: Analyte recovery in the laboratory control sample (LCS) was below QC limits. Results for this analyte in associated samples
may be biased low.
• LCS (Lab ID: 3336172)
• Methoxychlor
Matrix Spikes:
All percent recoveries and relative percent differences (RPDs) were within acceptance criteria with any exceptions noted below.
Duplicate Sample:
All duplicate sample results were within method acceptance criteria with any exceptions noted below.
Additional Comments:
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC. Page 6 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
PROJECT NARRATIVE
Project: PLI TOXICITY
Pace Project No.: 92550467
Method: EPA 8081 B
Description: 8081 GCS Pesticides
Client: HDR Engineering
Date: July 30, 2021
Analyte Comments:
QC Batch: 635304
D3: Sample was diluted due to the presence of high levels of non -target analytes or other matrix interference.
• MS (Lab ID: 3336173)
• Tetrachloro-m-xylene (S)
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC. Page 7 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
PROJECT NARRATIVE
Project: PLI TOXICITY
Pace Project No.: 92550467
Method: EPA 8081 B
Description: 8081 TCLP Pesticides RVE
Client: HDR Engineering
Date: July 30, 2021
General Information:
1 sample was analyzed for EPA 8081 B by Pace Analytical Services Charlotte. All samples were received in acceptable condition with
any exceptions noted below or on the chain -of custody and/or the sample condition upon receipt form (SCUR) attached at the end of
this report.
Hold Time:
The samples were analyzed within the method required hold times with any exceptions noted below.
H2: Extraction or preparation conducted outside EPA method holding time.
• MO-1 (Lab ID: 92550467001)
Sample Preparation:
The samples were prepared in accordance with EPA 3510C with any exceptions noted below.
Initial Calibrations (including MS Tune as applicable):
All criteria were within method requirements with any exceptions noted below.
Continuing Calibration:
All criteria were within method requirements with any exceptions noted below.
Surrogates:
All surrogates were within QC limits with any exceptions noted below.
Method Blank:
All analytes were below the report limit in the method blank, where applicable, with any exceptions noted below.
Laboratory Control Spike:
All laboratory control spike compounds were within QC limits with any exceptions noted below.
Matrix Spikes:
All percent recoveries and relative percent differences (RPDs) were within acceptance criteria with any exceptions noted below.
QC Batch: 635527
A matrix spike and/or matrix spike duplicate (MS/MSD) were performed on the following sample(s): 92550479001
R1: RPD value was outside control limits.
• MSD (Lab ID: 3337149)
• Heptachlor
• Heptachlor epoxide
• gamma-BHC (Lindane)
Additional Comments:
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC. Page 8 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
PROJECT NARRATIVE
Project: PLI TOXICITY
Pace Project No.: 92550467
Method: EPA 8082A
Description: 8082 GCS PCB
Client: HDR Engineering
Date: July 30, 2021
General Information:
1 sample was analyzed for EPA 8082A by Pace Analytical Services Charlotte. All samples were received in acceptable condition with
any exceptions noted below or on the chain -of custody and/or the sample condition upon receipt form (SCUR) attached at the end of
this report.
Hold Time:
The samples were analyzed within the method required hold times with any exceptions noted below.
Sample Preparation:
The samples were prepared in accordance with EPA 3546 with any exceptions noted below.
Initial Calibrations (including MS Tune as applicable):
All criteria were within method requirements with any exceptions noted below.
Continuing Calibration:
All criteria were within method requirements with any exceptions noted below.
Surrogates:
All surrogates were within QC limits with any exceptions noted below.
Method Blank:
All analytes were below the report limit in the method blank, where applicable, with any exceptions noted below.
Laboratory Control Spike:
All laboratory control spike compounds were within QC limits with any exceptions noted below.
Matrix Spikes:
All percent recoveries and relative percent differences (RPDs) were within acceptance criteria with any exceptions noted below.
Duplicate Sample:
All duplicate sample results were within method acceptance criteria with any exceptions noted below.
Additional Comments:
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC. Page 9 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
PROJECT NARRATIVE
Project: PLI TOXICITY
Pace Project No.: 92550467
Method: EPA 8082A
Description: 8082 TCLP PCBs RVE
Client: HDR Engineering
Date: July 30, 2021
General Information:
1 sample was analyzed for EPA 8082A by Pace Analytical Services Charlotte. All samples were received in acceptable condition with
any exceptions noted below or on the chain -of custody and/or the sample condition upon receipt form (SCUR) attached at the end of
this report.
Hold Time:
The samples were analyzed within the method required hold times with any exceptions noted below.
Sample Preparation:
The samples were prepared in accordance with EPA 3510C with any exceptions noted below.
Initial Calibrations (including MS Tune as applicable):
All criteria were within method requirements with any exceptions noted below.
Continuing Calibration:
All criteria were within method requirements with any exceptions noted below.
Surrogates:
All surrogates were within QC limits with any exceptions noted below.
Method Blank:
All analytes were below the report limit in the method blank, where applicable, with any exceptions noted below.
Laboratory Control Spike:
All laboratory control spike compounds were within QC limits with any exceptions noted below.
Matrix Spikes:
All percent recoveries and relative percent differences (RPDs) were within acceptance criteria with any exceptions noted below.
Additional Comments:
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC. Page 10 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
PROJECT NARRATIVE
Project: PLI TOXICITY
Pace Project No.: 92550467
Method: EPA 601 OD
Description: 6010 MET ICP
Client: HDR Engineering
Date: July 30, 2021
General Information:
1 sample was analyzed for EPA 601 OD by Pace Analytical Services Asheville. All samples were received in acceptable condition with
any exceptions noted below or on the chain -of custody and/or the sample condition upon receipt form (SCUR) attached at the end of
this report.
Hold Time:
The samples were analyzed within the method required hold times with any exceptions noted below.
Sample Preparation:
The samples were prepared in accordance with EPA 3050B with any exceptions noted below.
Initial Calibrations (including MS Tune as applicable):
All criteria were within method requirements with any exceptions noted below.
Continuing Calibration:
All criteria were within method requirements with any exceptions noted below.
Method Blank:
All analytes were below the report limit in the method blank, where applicable, with any exceptions noted below.
QC Batch: 634946
BC: The same analyte was detected in an associated blank at a concentration above 1/2 the reporting limit but below the laboratory
reporting limit.
• BLANK (Lab ID: 3334302)
• Iron
Laboratory Control Spike:
All laboratory control spike compounds were within QC limits with any exceptions noted below.
Matrix Spikes:
All percent recoveries and relative percent differences (RPDs) were within acceptance criteria with any exceptions noted below.
QC Batch: 634946
A matrix spike and/or matrix spike duplicate (MS/MSD) were performed on the following sample(s): 92550599001
M1: Matrix spike recovery exceeded QC limits. Batch accepted based on laboratory control sample (LCS) recovery.
• MS (Lab ID: 3334304)
• Aluminum
• Antimony
• Boron
• Calcium
• Iron
• Magnesium
• Selenium
• Sodium
• Thallium
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC. Page 11 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
PROJECT NARRATIVE
Project: PLI TOXICITY
Pace Project No.: 92550467
Method: EPA 601 OD
Description: 6010 MET ICP
Client: HDR Engineering
Date: July 30, 2021
QC Batch: 634946
A matrix spike and/or matrix spike duplicate (MS/MSD) were performed on the following sample(s): 92550599001
M1: Matrix spike recovery exceeded QC limits. Batch accepted based on laboratory control sample (LCS) recovery.
• Zinc
• MSD (Lab ID: 3334305)
• Aluminum
• Antimony
• Boron
• Calcium
• Iron
• Lead
• Magnesium
• Manganese
• Molybdenum
• Selenium
• Sodium
• Thallium
• Zinc
R1: RPD value was outside control limits.
• MSD (Lab ID: 3334305)
• Antimony
Additional Comments:
Analyte Comments:
QC Batch: 634946
P8: Analyte was detected in the method blank. All associated samples had concentrations of at least ten times greater than the blank
or were below the reporting limit.
• BLANK (Lab ID: 3334302)
• Zinc
• MO-1 (Lab ID: 92550467001)
• Zinc
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC. Page 12 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
PROJECT NARRATIVE
Project: PLI TOXICITY
Pace Project No.: 92550467
Method: EPA 601 OD
Description: 6010 MET ICP, TCLP
Client: HDR Engineering
Date: July 30, 2021
General Information:
1 sample was analyzed for EPA 601 OD by Pace Analytical Services Asheville. All samples were received in acceptable condition with
any exceptions noted below or on the chain -of custody and/or the sample condition upon receipt form (SCUR) attached at the end of
this report.
Hold Time:
The samples were analyzed within the method required hold times with any exceptions noted below.
Sample Preparation:
The samples were prepared in accordance with EPA 3010A with any exceptions noted below.
Initial Calibrations (including MS Tune as applicable):
All criteria were within method requirements with any exceptions noted below.
Continuing Calibration:
All criteria were within method requirements with any exceptions noted below.
Method Blank:
All analytes were below the report limit in the method blank, where applicable, with any exceptions noted below.
QC Batch: 635416
B: Analyte was detected in the associated method blank.
• LB for HBN 634969 [MPRP/47893] (Lab ID: 3334437)
• Zinc
BC: The same analyte was detected in an associated blank at a concentration above 1/2 the reporting limit but below the laboratory
reporting limit.
• LB (Lab ID: 3334437)
• Antimony
Laboratory Control Spike:
All laboratory control spike compounds were within QC limits with any exceptions noted below.
Matrix Spikes:
All percent recoveries and relative percent differences (RPDs) were within acceptance criteria with any exceptions noted below.
Additional Comments:
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC. Page 13 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
PROJECT NARRATIVE
Project: PLI TOXICITY
Pace Project No.: 92550467
Method: EPA 6020B
Description: 6020 MET ICPMS
Client: HDR Engineering
Date: July 30, 2021
General Information:
1 sample was analyzed for EPA 6020B by Pace Analytical Services Asheville. All samples were received in acceptable condition with
any exceptions noted below or on the chain -of custody and/or the sample condition upon receipt form (SCUR) attached at the end of
this report.
Hold Time:
The samples were analyzed within the method required hold times with any exceptions noted below.
Sample Preparation:
The samples were prepared in accordance with EPA 3010A with any exceptions noted below.
Initial Calibrations (including MS Tune as applicable):
All criteria were within method requirements with any exceptions noted below.
Continuing Calibration:
All criteria were within method requirements with any exceptions noted below.
Internal Standards:
All internal standards were within QC limits with any exceptions noted below.
Method Blank:
All analytes were below the report limit in the method blank, where applicable, with any exceptions noted below.
Laboratory Control Spike:
All laboratory control spike compounds were within QC limits with any exceptions noted below.
Matrix Spikes:
All percent recoveries and relative percent differences (RPDs) were within acceptance criteria with any exceptions noted below.
QC Batch: 636871
A matrix spike/matrix spike duplicate was not performed due to insufficient sample volume.
Additional Comments:
Analyte Comments:
QC Batch: 636871
D3: Sample was diluted due to the presence of high levels of non -target analytes or other matrix interference.
• MO-1 (Lab ID: 92550467002)
• Arsenic
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC. Page 14 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
PROJECT NARRATIVE
Project: PLI TOXICITY
Pace Project No.: 92550467
Method: EPA 7470A
Description: 7470 Mercury, TCLP
Client: HDR Engineering
Date: July 30, 2021
General Information:
1 sample was analyzed for EPA 7470A by Pace Analytical Services Asheville. All samples were received in acceptable condition with
any exceptions noted below or on the chain -of custody and/or the sample condition upon receipt form (SCUR) attached at the end of
this report.
Hold Time:
The samples were analyzed within the method required hold times with any exceptions noted below.
Sample Preparation:
The samples were prepared in accordance with EPA 7470A with any exceptions noted below.
Initial Calibrations (including MS Tune as applicable):
All criteria were within method requirements with any exceptions noted below.
Continuing Calibration:
All criteria were within method requirements with any exceptions noted below.
Method Blank:
All analytes were below the report limit in the method blank, where applicable, with any exceptions noted below.
Laboratory Control Spike:
All laboratory control spike compounds were within QC limits with any exceptions noted below.
Matrix Spikes:
All percent recoveries and relative percent differences (RPDs) were within acceptance criteria with any exceptions noted below.
Additional Comments:
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC. Page 15 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
PROJECT NARRATIVE
Project: PLI TOXICITY
Pace Project No.: 92550467
Method: EPA 7471 B
Description: 7471 Mercury
Client: HDR Engineering
Date: July 30, 2021
General Information:
1 sample was analyzed for EPA 7471 B by Pace Analytical Services Asheville. All samples were received in acceptable condition with
any exceptions noted below or on the chain -of custody and/or the sample condition upon receipt form (SCUR) attached at the end of
this report.
Hold Time:
The samples were analyzed within the method required hold times with any exceptions noted below.
Sample Preparation:
The samples were prepared in accordance with EPA 7471 B with any exceptions noted below.
Initial Calibrations (including MS Tune as applicable):
All criteria were within method requirements with any exceptions noted below.
Continuing Calibration:
All criteria were within method requirements with any exceptions noted below.
Method Blank:
All analytes were below the report limit in the method blank, where applicable, with any exceptions noted below.
Laboratory Control Spike:
All laboratory control spike compounds were within QC limits with any exceptions noted below.
Matrix Spikes:
All percent recoveries and relative percent differences (RPDs) were within acceptance criteria with any exceptions noted below.
QC Batch: 635220
A matrix spike and/or matrix spike duplicate (MS/MSD) were performed on the following sample(s): 92549207003
M1: Matrix spike recovery exceeded QC limits. Batch accepted based on laboratory control sample (LCS) recovery.
• MS (Lab ID: 3335409)
• Mercury
Additional Comments:
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC. Page 16 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
PROJECT NARRATIVE
Project: PLI TOXICITY
Pace Project No.: 92550467
Method: EPA 8270E
Description: 8270E MSSV Microwave
Client: HDR Engineering
Date: July 30, 2021
General Information:
1 sample was analyzed for EPA 8270E by Pace Analytical Services Charlotte. All samples were received in acceptable condition with
any exceptions noted below or on the chain -of custody and/or the sample condition upon receipt form (SCUR) attached at the end of
this report.
Hold Time:
The samples were analyzed within the method required hold times with any exceptions noted below.
H3: Sample was received or analysis requested beyond the recognized method holding time.
• MO-1 (Lab ID: 92550467001)
Sample Preparation:
The samples were prepared in accordance with EPA 3546 with any exceptions noted below.
Initial Calibrations (including MS Tune as applicable):
All criteria were within method requirements with any exceptions noted below.
Continuing Calibration:
All criteria were within method requirements with any exceptions noted below.
QC Batch: 634798
v1: The continuing calibration verification was above the method acceptance limit. Any detection for the analyte in the associated
samples may have a high bias.
• BLANK (Lab ID: 3333523)
• 2,4-Dinitrophenol
• 4,6-Dinitro-2-methyl phenol
• DUP (Lab ID: 3335093)
• 2,4-Dinitrophenol
• 4,6-Dinitro-2-methyl phenol
• LCS (Lab ID: 3333524)
• 2,4-Dinitrophenol
• 4,6-Dinitro-2-methyl phenol
• MS (Lab ID: 3333526)
• 2,4-Dinitrophenol
• 4,6-Dinitro-2-methyl phenol
Internal Standards:
All internal standards were within QC limits with any exceptions noted below.
Surrogates:
All surrogates were within QC limits with any exceptions noted below.
QC Batch: 634798
S5: Surrogate recovery outside control limits due to matrix interferences (not confirmed by re -analysis).
• MO-1 (Lab ID: 92550467001)
• 2,4,6-Tribromophenol (S)
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC. Page 17 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
PROJECT NARRATIVE
Project: PLI TOXICITY
Pace Project No.: 92550467
Method: EPA 8270E
Description: 8270E MSSV Microwave
Client: HDR Engineering
Date: July 30, 2021
QC Batch: 634798
S5: Surrogate recovery outside control limits due to matrix interferences (not confirmed by re -analysis).
• 2-Fluorophenol (S)
• Phenol-d6 (S)
Method Blank:
All analytes were below the report limit in the method blank, where applicable, with any exceptions noted below.
Laboratory Control Spike:
All laboratory control spike compounds were within QC limits with any exceptions noted below.
Matrix Spikes:
All percent recoveries and relative percent differences (RPDs) were within acceptance criteria with any exceptions noted below.
Duplicate Sample:
All duplicate sample results were within method acceptance criteria with any exceptions noted below.
Additional Comments:
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC. Page 18 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
PROJECT NARRATIVE
Project: PLI TOXICITY
Pace Project No.: 92550467
Method: EPA 8270E
Description: 8270E TCLP RVE
Client: HDR Engineering
Date: July 30, 2021
General Information:
1 sample was analyzed for EPA 8270E by Pace Analytical Services Charlotte. All samples were received in acceptable condition with
any exceptions noted below or on the chain -of custody and/or the sample condition upon receipt form (SCUR) attached at the end of
this report.
Hold Time:
The samples were analyzed within the method required hold times with any exceptions noted below.
H2: Extraction or preparation conducted outside EPA method holding time.
• MO-1 (Lab ID: 92550467001)
Sample Preparation:
The samples were prepared in accordance with EPA 3510C with any exceptions noted below.
Initial Calibrations (including MS Tune as applicable):
All criteria were within method requirements with any exceptions noted below.
Continuing Calibration:
All criteria were within method requirements with any exceptions noted below.
Internal Standards:
All internal standards were within QC limits with any exceptions noted below.
Surrogates:
All surrogates were within QC limits with any exceptions noted below.
Method Blank:
All analytes were below the report limit in the method blank, where applicable, with any exceptions noted below.
Laboratory Control Spike:
All laboratory control spike compounds were within QC limits with any exceptions noted below.
Matrix Spikes:
All percent recoveries and relative percent differences (RPDs) were within acceptance criteria with any exceptions noted below.
QC Batch: 635524
A matrix spike and/or matrix spike duplicate (MS/MSD) were performed on the following sample(s): 92550467001
R1: RPD value was outside control limits.
• MSD (Lab ID: 3337134)
• 1,4-Dichlorobenzene
• 2,4,5-Trichlorophenol
• 2,4,6-Trichlorophenol
• Hexachloro-1,3-butadiene
• Hexachloroethane
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC. Page 19 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
PROJECT NARRATIVE
Project: PLI TOXICITY
Pace Project No.: 92550467
Method: EPA 8270E
Description: 8270E TCLP RVE
Client: HDR Engineering
Date: July 30, 2021
QC Batch: 635524
A matrix spike and/or matrix spike duplicate (MS/MSD) were performed on the following sample(s): 92550467001
R1: RPD value was outside control limits.
• Pentachlorophenol
Additional Comments:
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC. Page 20 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
PROJECT NARRATIVE
Project: PLI TOXICITY
Pace Project No.: 92550467
Method: EPA 8260D
Description: 8260D/5035A/5030B Volatiles
Client: HDR Engineering
Date: July 30, 2021
General Information:
1 sample was analyzed for EPA 8260D by Pace Analytical Services Charlotte. All samples were received in acceptable condition with
any exceptions noted below or on the chain -of custody and/or the sample condition upon receipt form (SCUR) attached at the end of
this report.
Hold Time:
The samples were analyzed within the method required hold times with any exceptions noted below.
H3: Sample was received or analysis requested beyond the recognized method holding time.
• MO-1 (Lab ID: 92550467001)
Sample Preparation:
The samples were prepared in accordance with EPA 5035A/5030B with any exceptions noted below.
Initial Calibrations (including MS Tune as applicable):
All criteria were within method requirements with any exceptions noted below.
QC Batch: 634811
IK: The recalculated concentration of the calibration standard(s) did not meet method acceptance criteria; this result should be
considered an estimated value.
• BLANK (Lab ID: 3333574)
• Bromomethane
• Methylene Chloride
• DUP (Lab ID: 3333576)
• Bromomethane
• Methylene Chloride
• LCS (Lab ID: 3333575)
• Bromomethane
• Methylene Chloride
• MO-1 (Lab ID: 92550467001)
• Bromomethane
• Methylene Chloride
• MS (Lab ID: 3333577)
• Bromomethane
• Methylene Chloride
Continuing Calibration:
All criteria were within method requirements with any exceptions noted below.
Internal Standards:
All internal standards were within QC limits with any exceptions noted below.
Surrogates:
All surrogates were within QC limits with any exceptions noted below.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC. Page 21 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
PROJECT NARRATIVE
Project: PLI TOXICITY
Pace Project No.: 92550467
Method: EPA 8260D
Description: 8260D/5035A/5030B Volatiles
Client: HDR Engineering
Date: July 30, 2021
Method Blank:
All analytes were below the report limit in the method blank, where applicable, with any exceptions noted below.
Laboratory Control Spike:
All laboratory control spike compounds were within QC limits with any exceptions noted below.
Matrix Spikes:
All percent recoveries and relative percent differences (RPDs) were within acceptance criteria with any exceptions noted below.
Duplicate Sample:
All duplicate sample results were within method acceptance criteria with any exceptions noted below.
Additional Comments:
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC. Page 22 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
PROJECT NARRATIVE
Project: PLI TOXICITY
Pace Project No.: 92550467
Method: EPA 8260D
Description: 8260D MSV TCLP
Client: HDR Engineering
Date: July 30, 2021
General Information:
1 sample was analyzed for EPA 8260D by Pace Analytical Services Charlotte. All samples were received in acceptable condition with
any exceptions noted below or on the chain -of custody and/or the sample condition upon receipt form (SCUR) attached at the end of
this report.
Hold Time:
The samples were analyzed within the method required hold times with any exceptions noted below.
H2: Extraction or preparation conducted outside EPA method holding time.
• MO-1 (Lab ID: 92550467001)
Initial Calibrations (including MS Tune as applicable):
All criteria were within method requirements with any exceptions noted below.
Continuing Calibration:
All criteria were within method requirements with any exceptions noted below.
QC Batch: 635829
v2: The continuing calibration verification was below the method acceptance limit. The analyte was not detected in the associated
samples and the sensitivity of the instrument was verified with a reporting limit check standard.
• LB (Lab ID: 3338659)
• 1.1-Dichloroethene
• MO-1 (Lab ID: 92550467001)
• 1,1-Dichloroethene
v3: The continuing calibration verification was below the method acceptance limit. Any detection for the analyte in the associated
samples may have low bias.
• LCS (Lab ID: 3338658)
• 1.1-Dichloroethene
• MS (Lab ID: 3338660)
• 1,1-Dichloroethene
• MSD (Lab ID: 3338661)
• 1.1-Dichloroethene
Internal Standards:
All internal standards were within QC limits with any exceptions noted below.
Surrogates:
All surrogates were within QC limits with any exceptions noted below.
Method Blank:
All analytes were below the report limit in the method blank, where applicable, with any exceptions noted below.
Laboratory Control Spike:
All laboratory control spike compounds were within QC limits with any exceptions noted below.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC. Page 23 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
PROJECT NARRATIVE
Project: PLI TOXICITY
Pace Project No.: 92550467
Method: EPA 8260D
Description: 8260D MSV TCLP
Client: HDR Engineering
Date: July 30, 2021
QC Batch: 635829
1-2: Analyte recovery in the laboratory control sample (LCS) was below QC limits. Results for this analyte in associated samples
may be biased low.
• LCS (Lab ID: 3338658)
• 1,1-Dichloroethene
Matrix Spikes:
All percent recoveries and relative percent differences (RPDs) were within acceptance criteria with any exceptions noted below.
Additional Comments:
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC. Page 24 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
PROJECT NARRATIVE
Project: PLI TOXICITY
Pace Project No.: 92550467
Method: EPA 9056
Description: EPA 9056A
Client: HDR Engineering
Date: July 30, 2021
General Information:
1 sample was analyzed for EPA 9056 by Pace Analytical Gulf Coast. All samples were received in acceptable condition with any
exceptions noted below or on the chain -of custody and/or the sample condition upon receipt form (SCUR) attached at the end of this
report.
Hold Time:
The samples were analyzed within the method required hold times with any exceptions noted below.
Method Blank:
All analytes were below the report limit in the method blank, where applicable, with any exceptions noted below.
Laboratory Control Spike:
All laboratory control spike compounds were within QC limits with any exceptions noted below.
Matrix Spikes:
All percent recoveries and relative percent differences (RPDs) were within acceptance criteria with any exceptions noted below.
Additional Comments:
This data package has been reviewed for quality and completeness and is approved for release.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC. Page 25 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: PLI TOXICITY
Pace Project No.: 92550467
Sample: MO-1
Lab ID:
92550467001
Collected:
06/29/21
12:00
Received: 07/20/21 11:45 Matrix: Solid
Results reported on a "dry weight"
basis and are adjusted for percent moisture, sample size and any dilutions.
Report
Parameters
Results
Units
Limit
MDL
DF
Prepared
Analyzed
CAS No.
Qual
8081 GCS Pesticides
Analytical Method: EPA 8081 B Preparation Method: EPA 3546
Pace Analytical
Services
- Charlotte
Aldrin
ND
ug/kg
3.8
1.5
1
07/22/21 15:36
07/23/21 09:41
309-00-2
H3
alpha-BHC
ND
ug/kg
3.8
1.6
1
07/22/21 15:36
07/23/21 09:41
319-84-6
H3
beta-BHC
ND
ug/kg
3.8
1.8
1
07/22/21 15:36
07/23/21 09:41
319-85-7
H3
delta-BHC
ND
ug/kg
3.8
1.9
1
07/22/21 15:36
07/23/21 09:41
319-86-8
H3
gamma-BHC (Lindane)
ND
ug/kg
3.8
1.5
1
07/22/21 15:36
07/23/21 09:41
58-89-9
H3
Chlordane (Technical)
ND
ug/kg
13.2
8.8
1
07/22/21 15:36
07/23/21 09:41
57-74-9
H3
4,4'-DDD
ND
ug/kg
3.8
1.7
1
07/22/21 15:36
07/23/21 09:41
72-54-8
H3
4,4'-DDE
ND
ug/kg
3.8
1.8
1
07/22/21 15:36
07/23/21 09:41
72-55-9
H3
4,4'-DDT
ND
ug/kg
3.8
1.7
1
07/22/21 15:36
07/23/21 09:41
50-29-3
H3
Dieldrin
ND
ug/kg
3.8
1.6
1
07/22/21 15:36
07/23/21 09:41
60-57-1
H3
Endosulfan I
ND
ug/kg
3.8
1.6
1
07/22/21 15:36
07/23/21 09:41
959-98-8
H3
Endosulfan II
ND
ug/kg
3.8
1.7
1
07/22/21 15:36
07/23/21 09:41
33213-65-9
H3
Endosulfan sulfate
ND
ug/kg
3.8
2.1
1
07/22/21 15:36
07/23/21 09:41
1031-07-8
H3
Endrin
ND
ug/kg
3.8
1.8
1
07/22/21 15:36
07/23/21 09:41
72-20-8
H3
Endrin aldehyde
ND
ug/kg
3.8
2.5
1
07/22/21 15:36
07/23/21 09:41
7421-93-4
H3
Endrin ketone
ND
ug/kg
3.8
2.1
1
07/22/21 15:36
07/23/21 09:41
53494-70-5
H3
Heptachlor
ND
ug/kg
3.8
1.7
1
07/22/21 15:36
07/23/21 09:41
76-44-8
H3
Heptachlor epoxide
ND
ug/kg
3.8
1.5
1
07/22/21 15:36
07/23/21 09:41
1024-57-3
H3
Hexachlorobenzene
ND
ug/kg
3.8
1.6
1
07/22/21 15:36
07/23/21 09:41
118-74-1
H3
Methoxychlor
ND
ug/kg
9.5
4.6
1
07/22/21 15:36
07/23/21 09:41
72-43-5
H3,L2
Mirex
ND
ug/kg
9.5
4.2
1
07/22/21 15:36
07/23/21 09:41
2385-85-5
H3
Toxaphene
ND
ug/kg
13.2
10.1
1
07/22/21 15:36
07/23/21 09:41
8001-35-2
H3
Surrogates
Tetrachloro-m-xylene (S)
77
%
10-138
1
07/22/21 15:36
07/23/21 09:41
877-09-8
Decachlorobiphenyl (S)
75
%
10-150
1
07/22/21 15:36
07/23/21 09:41
2051-24-3
8081 TCLP Pesticides RVE
Analytical
Method: EPA 8081
B Preparation Method: EPA 3510C
Leachate
Method/Date: EPA 1311; 07/21/21 15:48 Initial pH: 4.78; Final
pH: 5
Pace Analytical
Services
- Charlotte
gamma-BHC (Lindane)
ND
ug/L
0.50
0.012
1
07/23/21 15:19
07/26/21 08:36
58-89-9
H2
Chlordane (Technical)
ND
ug/L
3.0
0.20
1
07/23/21 15:19
07/26/21 08:36
57-74-9
H2
Endrin
ND
ug/L
0.50
0.0089
1
07/23/21 15:19
07/26/21 08:36
72-20-8
H2
Heptachlor
ND
ug/L
0.50
0.016
1
07/23/21 15:19
07/26/21 08:36
76-44-8
H2
Heptachlor epoxide
ND
ug/L
0.50
0.0097
1
07/23/21 15:19
07/26/21 08:36
1024-57-3
H2
Methoxychlor
ND
ug/L
1000
0.033
1
07/23/21 15:19
07/26/21 08:36
72-43-5
H2
Toxaphene
ND
ug/L
3.0
0.20
1
07/23/21 15:19
07/26/21 08:36
8001-35-2
H2
Surrogates
Decachlorobiphenyl (S)
119
%
10-154
1
07/23/21 15:19
07/26/21 08:36
2051-24-3
Tetrachloro-m-xylene (S)
71
%
10-184
1
07/23/21 15:19
07/26/21 08:36
877-09-8
8082 GCS PCB
Analytical
Method: EPA 8082A
Preparation Method: EPA 3546
Pace Analytical
Services
- Charlotte
PCB-1016 (Aroclor 1016)
ND
ug/kg
61.8
22.6
1
07/21/21 15:39
07/22/21 09:06
12674-11-2
PCB-1221 (Aroclor 1221)
ND
ug/kg
61.8
23.8
1
07/21/21 15:39
07/22/21 09:06
11104-28-2
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC. Page 26 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: PLI TOXICITY
Pace Project No.: 92550467
Sample: MO-1 Lab ID: 92550467001 Collected: 06/29/21 12:00 Received: 07/20/21 11:45 Matrix: Solid
Results reported on a "dry weight" basis and are adjusted for percent moisture, sample size and any dilutions.
Report
Parameters Results Units Limit MDL DF Prepared Analyzed CAS No. Qual
8082 GCS PCB
Analytical Method: EPA 8082A Preparation Method: EPA 3546
Pace Analytical
Services - Charlotte
PCB-1232 (Aroclor 1232)
ND
ug/kg
61.8
21.6
1
07/21/21 15:39
07/22/21 09:06
11141-16-5
PCB-1242 (Aroclor 1242)
ND
ug/kg
61.8
11.6
1
07/21/21 15:39
07/22/21 09:06
53469-21-9
PCB-1248 (Aroclor 1248)
ND
ug/kg
61.8
15.4
1
07/21/21 15:39
07/22/21 09:06
12672-29-6
PCB-1254 (Aroclor 1254)
ND
ug/kg
61.8
11.6
1
07/21/21 15:39
07/22/21 09:06
11097-69-1
PCB-1260 (Aroclor 1260)
ND
ug/kg
61.8
14.8
1
07/21/21 15:39
07/22/21 09:06
11096-82-5
Surrogates
Decachlorobiphenyl (S)
69
%
10-160
1
07/21/21 15:39
07/22/21 09:06
2051-24-3
8082 TCLP PCBs RVE
Analytical
Method: EPA 8082A Preparation Method: EPA 3510C
Leachate Method/Date:
EPA 1311; 07/21/21 15:48 Initial
pH: 4.78; Final
pH: 5
Pace Analytical
Services - Charlotte
PCB-1016 (Aroclor 1016)
ND
ug/L
1000
1000
1
07/23/21 15:19
07/26/21 07:26
12674-11-2
PCB-1221 (Aroclor 1221)
ND
ug/L
1000
1000
1
07/23/21 15:19
07/26/21 07:26
11104-28-2
PCB-1232 (Aroclor 1232)
ND
ug/L
1000
1000
1
07/23/21 15:19
07/26/21 07:26
11141-16-5
PCB-1242 (Aroclor 1242)
ND
ug/L
1000
1000
1
07/23/21 15:19
07/26/21 07:26
53469-21-9
PCB-1248 (Aroclor 1248)
ND
ug/L
1000
1000
1
07/23/21 15:19
07/26/21 07:26
12672-29-6
PCB-1254 (Aroclor 1254)
ND
ug/L
1000
1000
1
07/23/21 15:19
07/26/21 07:26
11097-69-1
PCB-1260 (Aroclor 1260)
ND
ug/L
1000
1000
1
07/23/21 15:19
07/26/21 07:26
11096-82-5
Surrogates
Decachlorobiphenyl (S)
112
%
10-181
1
07/23/21 15:19
07/26/21 07:26
2051-24-3
6010 MET ICP
Analytical
Method: EPA 6010D Preparation
Method:
EPA 3050B
Pace Analytical
Services -Asheville
Aluminum
81900
mg/kg
1390
696
100
07/21/2116:28
07/23/2101:59
7429-90-5
Antimony
1.3.1
mg/kg
3.5
0.54
1
07/21/2116:28
07/22/2113:36
7440-36-0
Arsenic
0.96.1
mg/kg
3.5
0.70
1
07/21/2116:28
07/22/2113:36
7440-38-2
Barium
4.8
mg/kg
1.4
0.35
1
07/21/2116:28
07/22/2113:36
7440-39-3
Beryllium
32.6
mg/kg
0.14
0.070
1
07/21/2116:28
07/22/2113:36
7440-41-7
Boron
ND
mg/kg
34.8
3.5
1
07/21/2116:28
07/22/2113:36
7440-42-8
Cadmium
ND
mg/kg
0.14
0.070
1
07/21/2116:28
07/22/2113:36
7440-43-9
Calcium
72200
mg/kg
3480
696
100
07/21/2116:28
07/23/2101:59
7440-70-2
Chromium
6.7
mg/kg
0.70
0.35
1
07/21/2116:28
07/22/2113:36
7440-47-3
Cobalt
ND
mg/kg
0.70
0.35
1
07/21/2116:28
07/22/2113:36
7440-48-4
Copper
5.4J
mg/kg
7.0
0.35
1
07/21/2116:28
07/22/2113:36
7440-50-8
Iron
2470
mg/kg
69.6
7.0
1
07/21/2116:28
07/22/2113:36
7439-89-6
Lead
ND
mg/kg
1.4
0.35
1
07/21/2116:28
07/22/2113:36
7439-92-1
Magnesium
1200
mg/kg
13.9
0.35
1
07/21/2116:28
07/22/2113:36
7439-95-4
Manganese
538
mg/kg
0.70
0.35
1
07/21/2116:28
07/22/2113:36
7439-96-5
Molybdenum
ND
mg/kg
7.0
0.35
1
07/21/2116:28
07/22/2113:36
7439-98-7
Nickel
8.5
mg/kg
0.70
0.35
1
07/21/2116:28
07/22/2113:36
7440-02-0
Potassium
ND
mg/kg
696
696
1
07/21/2116:28
07/22/2113:36
7440-09-7
Selenium
1.6
mg/kg
1.4
0.70
1
07/21/2116:28
07/22/2113:36
7782-49-2
Silver
ND
mg/kg
0.70
0.35
1
07/21/2116:28
07/22/2113:36
7440-22-4
Sodium
69500J
mg/kg
69600
34800
100
07/21/2116:28
07/23/2101:59
7440-23-5
REPORT OF LABORATORY ANALYSIS
BC
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC. Page 27 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: PLI TOXICITY
Pace Project No.: 92550467
Sample: MO-1 Lab ID: 92550467001 Collected: 06/29/21 12:00 Received: 07/20/21 11:45 Matrix: Solid
Results reported on a "dry weight" basis and are adjusted for percent moisture, sample size and any dilutions.
Report
Parameters Results Units Limit MDL DF Prepared Analyzed CAS No. Qual
6010 MET ICP
Analytical Method: EPA 6010D Preparation Method: EPA 3050B
Pace Analytical
Services -Asheville
Strontium
36.6
mg/kg
0.70
0.35
1
07/21/2116:28
07/22/2113:36
7440-24-6
Thallium
ND
mg/kg
1.4
0.70
1
07/21/2116:28
07/22/2113:36
7440-28-0
Titanium
31.4
mg/kg
0.70
0.35
1
07/21/2116:28
07/22/2113:36
7440-32-6
Vanadium
3.8
mg/kg
0.70
0.35
1
07/21/2116:28
07/22/2113:36
7440-62-2
Zinc
19.8
mg/kg
1.4
0.70
1
07/21/2116:28
07/22/2113:36
7440-66-6
6010 MET ICP, TCLP
Analytical
Method: EPA 6010D Preparation Method:
EPA
3010A
Leachate Method/Date: EPA 1311; 07/21/21 15:42 Initial pH: 5.45; Final
pH: 2
Pace Analytical
Services -Asheville
Aluminum
0.80
mg/L
0.50
0.072
1
07/23/2103:29
07/26/21 14:34
7429-90-5
Antimony
0.010J
mg/L
0.025
0.0030
1
07/23/2103:29
07/26/21 14:34
7440-36-0
Arsenic
ND
mg/L
0.050
0.0047
1
07/23/2103:29
07/26/21 14:34
7440-38-2
Barium
0.043J
mg/L
0.25
0.0035
1
07/23/2103:29
07/26/21 14:34
7440-39-3
Beryllium
0.0020J
mg/L
0.0050
0.00070
1
07/23/2103:29
07/26/21 14:34
7440-41-7
Boron
ND
mg/L
0.25
0.032
1
07/23/2103:29
07/26/21 14:34
7440-42-8
Cadmium
ND
mg/L
0.0050
0.00040
1
07/23/2103:29
07/26/21 14:34
7440-43-9
Calcium
27.7
mg/L
1.0
0.094
1
07/23/2103:29
07/26/21 14:34
7440-70-2
Chromium
ND
mg/L
0.050
0.0037
1
07/23/2103:29
07/26/21 14:34
7440-47-3
Cobalt
ND
mg/L
0.025
0.0036
1
07/23/2103:29
07/26/21 14:34
7440-48-4
Copper
0.012.11
mg/L
0.025
0.0043
1
07/23/2103:29
07/26/21 14:34
7440-50-8
Iron
ND
mg/L
0.25
0.042
1
07/23/2103:29
07/26/21 14:34
7439-89-6
Lead
ND
mg/L
0.025
0.0045
1
07/23/2103:29
07/26/21 14:34
7439-92-1
Magnesium
0.34.11
mg/L
0.50
0.068
1
07/23/2103:29
07/26/21 14:34
7439-95-4
Manganese
0.00591
mg/L
0.025
0.0034
1
07/23/2103:29
07/26/21 14:34
7439-96-5
Molybdenum
ND
mg/L
0.025
0.0039
1
07/23/2103:29
07/26/21 14:34
7439-98-7
Nickel
ND
mg/L
0.050
0.0035
1
07/23/2103:29
07/26/21 14:34
7440-02-0
Potassium
ND
mg/L
25.0
3.0
1
07/23/2103:29
07/26/21 14:34
7440-09-7
Selenium
ND
mg/L
0.10
0.0047
1
07/23/2103:29
07/26/21 14:34
7782-49-2
Silver
ND
mg/L
0.025
0.0025
1
07/23/2103:29
07/26/21 14:34
7440-22-4
Strontium
0.016.11
mg/L
0.025
0.0035
1
07/23/2103:29
07/26/21 14:34
7440-24-6
Thallium
ND
mg/L
0.050
0.0081
1
07/23/2103:29
07/26/21 14:34
7440-28-0
Tin
ND
mg/L
0.025
0.0047
1
07/23/2103:29
07/26/21 14:34
7440-31-5
Titanium
0.0047J
mg/L
0.025
0.0030
1
07/23/2103:29
07/26/21 14:34
7440-32-6
Vanadium
ND
mg/L
0.025
0.0039
1
07/23/2103:29
07/26/21 14:34
7440-62-2
Zinc
0.033.11
mg/L
0.50
0.0095
1
07/23/2103:29
07/26/21 14:34
7440-66-6
7470 Mercury, TCLP
Analytical
Method: EPA 7470A Preparation Method: EPA
7470A
Leachate Method/Date: EPA 1311; 07/21/21 15:42 Initial pH: 5.45; Final
pH: 2
Pace Analytical
Services -Asheville
Mercury
ND
mg/L
0.00020
0.00012
1
07/23/2111:35
07/23/2114:17
7439-97-6
7471 Mercury
Analytical
Method: EPA 7471 B Preparation Method: EPA
7471 B
Pace Analytical
Services -Asheville
Mercury
ND
mg/kg
0.0075
0.0057
1
07/22/2112:02
07/22/2115:53
7439-97-6
REPORT OF LABORATORY ANALYSIS
P8
BC
BC
B
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC. Page 28 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: PLI TOXICITY
Pace Project No.: 92550467
Sample: MO-1
Lab ID:
92550467001
Collected:
06/29/21
12:00
Received: 07/20/21 11:45 Matrix: Solid
Results reported on a "dry weight"
basis and are adjusted for percent moisture, sample size and any dilutions.
Report
Parameters
Results
Units
Limit
MDL
DF
Prepared
Analyzed
CAS No.
Qual
8270E MSSV Microwave
Analytical Method: EPA 8270E Preparation Method: EPA 3546
Pace Analytical
Services
- Charlotte
Acenaphthene
ND
ug/kg
626
220
1
07/21/21 09:54
07/22/21 07:02
83-32-9
H3
Acenaphthylene
ND
ug/kg
626
220
1
07/21/21 09:54
07/22/21 07:02
208-96-8
H3
Aniline
ND
ug/kg
626
245
1
07/21/21 09:54
07/22/21 07:02
62-53-3
H3
Anthracene
ND
ug/kg
626
205
1
07/21/21 09:54
07/22/21 07:02
120-12-7
H3
Benzo(a)anthracene
ND
ug/kg
626
209
1
07/21/21 09:54
07/22/21 07:02
56-55-3
H3
Benzo(a)pyrene
ND
ug/kg
626
216
1
07/21/21 09:54
07/22/21 07:02
50-32-8
H3
Benzo(b)fluoranthene
ND
ug/kg
626
209
1
07/21/21 09:54
07/22/21 07:02
205-99-2
H3
Benzo(g,h,i)perylene
ND
ug/kg
626
243
1
07/21/21 09:54
07/22/21 07:02
191-24-2
H3
Benzo(k)fluoranthene
ND
ug/kg
626
220
1
07/21/21 09:54
07/22/21 07:02
207-08-9
H3
Benzoic Acid
ND
ug/kg
3130
1350
1
07/21/21 09:54
07/22/21 07:02
65-85-0
H3
Benzyl alcohol
ND
ug/kg
1250
474
1
07/21/21 09:54
07/22/21 07:02
100-51-6
H3
4-Bromophenylphenyl ether
ND
ug/kg
626
241
1
07/21/21 09:54
07/22/21 07:02
101-55-3
H3
Butylbenzylphthalate
ND
ug/kg
626
264
1
07/21/21 09:54
07/22/21 07:02
85-68-7
H3
4-Chloro-3-methyl phenol
ND
ug/kg
1250
440
1
07/21/21 09:54
07/22/21 07:02
59-50-7
H3
4-Chloroaniline
ND
ug/kg
1250
491
1
07/21/21 09:54
07/22/21 07:02
106-47-8
H3
bis(2-Chloroethoxy)methane
ND
ug/kg
626
260
1
07/21/21 09:54
07/22/21 07:02
111-91-1
H3
bis(2-Chloroethyl) ether
ND
ug/kg
626
235
1
07/21/21 09:54
07/22/21 07:02
111-44-4
H3
2-Chloronaphthalene
ND
ug/kg
626
249
1
07/21/21 09:54
07/22/21 07:02
91-58-7
H3
2-Chlorophenol
ND
ug/kg
626
235
1
07/21/21 09:54
07/22/21 07:02
95-57-8
H3
4-Chlorophenylphenyl ether
ND
ug/kg
626
233
1
07/21/21 09:54
07/22/21 07:02
7005-72-3
H3
Chrysene
ND
ug/kg
626
228
1
07/21/21 09:54
07/22/21 07:02
218-01-9
H3
Dibenz(a,h)anthracene
ND
ug/kg
626
241
1
07/21/21 09:54
07/22/21 07:02
53-70-3
H3
Dibenzofuran
ND
ug/kg
626
226
1
07/21/21 09:54
07/22/21 07:02
132-64-9
H3
1,2-Dichlorobenzene
ND
ug/kg
626
226
1
07/21/21 09:54
07/22/21 07:02
95-50-1
H3
1,3-Dichlorobenzene
ND
ug/kg
626
222
1
07/21/21 09:54
07/22/21 07:02
541-73-1
H3
1,4-Dichlorobenzene
ND
ug/kg
626
239
1
07/21/21 09:54
07/22/21 07:02
106-46-7
H3
3,3'-Dichlorobenzidine
ND
ug/kg
1250
423
1
07/21/21 09:54
07/22/21 07:02
91-94-1
H3
2,4-Dichlorophenol
ND
ug/kg
626
245
1
07/21/21 09:54
07/22/21 07:02
120-83-2
H3
Diethylphthalate
ND
ug/kg
626
230
1
07/21/21 09:54
07/22/21 07:02
84-66-2
H3
2,4-Dimethylphenol
ND
ug/kg
626
260
1
07/21/21 09:54
07/22/21 07:02
105-67-9
H3
Dimethylphthalate
ND
ug/kg
626
228
1
07/21/21 09:54
07/22/21 07:02
131-11-3
H3
Di-n-butylphthalate
ND
ug/kg
626
211
1
07/21/21 09:54
07/22/21 07:02
84-74-2
H3
4,6-Dinitro-2-methyl phenol
ND
ug/kg
1250
584
1
07/21/21 09:54
07/22/21 07:02
534-52-1
H3
2,4-Dinitrophenol
ND
ug/kg
3130
1940
1
07/21/21 09:54
07/22/21 07:02
51-28-5
H3
2,4-Dinitrotoluene
ND
ug/kg
626
241
1
07/21/21 09:54
07/22/21 07:02
121-14-2
H3
2,6-Dinitrotoluene
ND
ug/kg
626
230
1
07/21/21 09:54
07/22/21 07:02
606-20-2
H3
Di-n-octylphthalate
ND
ug/kg
626
247
1
07/21/21 09:54
07/22/21 07:02
117-84-0
H3
bis(2- Ethyl hexyl)phthalate
ND
ug/kg
626
243
1
07/21/21 09:54
07/22/21 07:02
117-81-7
H3
Fluoranthene
ND
ug/kg
626
214
1
07/21/21 09:54
07/22/21 07:02
206-44-0
H3
Fluorene
ND
ug/kg
626
220
1
07/21/21 09:54
07/22/21 07:02
86-73-7
H3
Hexachloro-1,3-butadiene
ND
ug/kg
626
271
1
07/21/21 09:54
07/22/21 07:02
87-68-3
H3
Hexachlorobenzene
ND
ug/kg
626
245
1
07/21/21 09:54
07/22/21 07:02
118-74-1
H3
Hexachlorocyclopentadiene
ND
ug/kg
626
359
1
07/21/21 09:54
07/22/21 07:02
77-47-4
H3
Hexachloroethane
ND
ug/kg
626
239
1
07/21/21 09:54
07/22/21 07:02
67-72-1
H3
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC. Page 29 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: PLI TOXICITY
Pace Project No.: 92550467
Sample: MO-1
Lab ID:
92550467001
Collected:
06/29/21
12:00
Received: 07/20/21 11:45 Matrix: Solid
Results reported on a "dry weight"
basis and are adjusted for percent moisture, sample size and any dilutions.
Report
Parameters
Results
Units
Limit
MDL
DF
Prepared
Analyzed
CAS No.
Qual
8270E MSSV Microwave
Analytical Method: EPA 8270E Preparation Method: EPA 3546
Pace Analytical
Services
- Charlotte
Indeno(1,2,3-cd)pyrene
ND
ug/kg
626
247
1
07/21/21 09:54
07/22/21 07:02
193-39-5
H3
Isophorone
ND
ug/kg
626
279
1
07/21/21 09:54
07/22/21 07:02
78-59-1
H3
1-Methylnaphthalene
ND
ug/kg
626
220
1
07/21/21 09:54
07/22/21 07:02
90-12-0
H3
2-Methylnaphthalene
ND
ug/kg
626
250
1
07/21/21 09:54
07/22/21 07:02
91-57-6
H3
2-Methylphenol(o-Cresol)
ND
ug/kg
626
256
1
07/21/21 09:54
07/22/21 07:02
95-48-7
H3
3&4-Methyl phenol (m&p Cresol)
ND
ug/kg
626
252
1
07/21/21 09:54
07/22/21 07:02
15831-10-4
H3
Naphthalene
ND
ug/kg
626
212
1
07/21/21 09:54
07/22/21 07:02
91-20-3
H3
2-Nitroaniline
ND
ug/kg
3130
512
1
07/21/21 09:54
07/22/21 07:02
88-74-4
H3
3-Nitroaniline
ND
ug/kg
3130
491
1
07/21/21 09:54
07/22/21 07:02
99-09-2
H3
4-Nitroaniline
ND
ug/kg
1250
476
1
07/21/21 09:54
07/22/21 07:02
100-01-6
H3
Nitrobenzene
ND
ug/kg
626
290
1
07/21/21 09:54
07/22/21 07:02
98-95-3
H3
2-Nitrophenol
ND
ug/kg
626
271
1
07/21/21 09:54
07/22/21 07:02
88-75-5
H3
4-Nitrophenol
ND
ug/kg
3130
1210
1
07/21/21 09:54
07/22/21 07:02
100-02-7
H3
N-Nitrosodimethylamine
ND
ug/kg
626
211
1
07/21/21 09:54
07/22/21 07:02
62-75-9
H3
N-Nitroso-di-n-propylamine
ND
ug/kg
626
235
1
07/21/21 09:54
07/22/21 07:02
621-64-7
H3
N-Nitrosodiphenylamine
ND
ug/kg
626
222
1
07/21/21 09:54
07/22/21 07:02
86-30-6
H3
2,2'-Oxybis(1-chloropropane)
ND
ug/kg
626
298
1
07/21/21 09:54
07/22/21 07:02
108-60-1
H3
Pentachlorophenol
ND
ug/kg
1250
613
1
07/21/21 09:54
07/22/21 07:02
87-86-5
H3
Phenanthrene
ND
ug/kg
626
205
1
07/21/21 09:54
07/22/21 07:02
85-01-8
H3
Phenol
ND
ug/kg
626
279
1
07/21/21 09:54
07/22/21 07:02
108-95-2
H3
Pyrene
ND
ug/kg
626
254
1
07/21/21 09:54
07/22/21 07:02
129-00-0
H3
Pyridine
ND
ug/kg
626
197
1
07/21/21 09:54
07/22/21 07:02
110-86-1
H3
1,2,4-Trichlorobenzene
ND
ug/kg
626
247
1
07/21/21 09:54
07/22/21 07:02
120-82-1
H3
2,4,5-Trichlorophenol
ND
ug/kg
626
286
1
07/21/21 09:54
07/22/21 07:02
95-95-4
H3
2,4,6-Trichlorophenol
ND
ug/kg
626
258
1
07/21/21 09:54
07/22/21 07:02
88-06-2
H3
Surrogates
Nitrobenzene-d5 (S)
71
%
21-130
1
07/21/21 09:54
07/22/21 07:02
4165-60-0
2-Fluorobiphenyl (S)
62
%
19-130
1
07/21/21 09:54
07/22/21 07:02
321-60-8
Terphenyl-d14 (S)
47
%
15-130
1
07/21/21 09:54
07/22/21 07:02
1718-51-0
Phenol-d6 (S)
5
%
18-130
1
07/21/21 09:54
07/22/21 07:02
13127-88-3
S5
2-Fluorophenol (S)
0
%
18-130
1
07/21/21 09:54
07/22/21 07:02
367-12-4
S5
2,4,6-Tribromophenol (S)
1
%
18-130
1
07/21/21 09:54
07/22/21 07:02
118-79-6
S5
8270E TCLP RVE
Analytical
Method: EPA 8270E
Preparation Method: EPA 3510C
Leachate
Method/Date: EPA 1311; 07/21/21 15:48 Initial pH: 4.78; Final
pH: 5
Pace Analytical
Services
- Charlotte
1,4-Dichlorobenzene
ND
ug/L
50.0
2.1
1
07/23/2111:48
07/23/2115:52
106-46-7
H2,R1
2,4-Dinitrotoluene
ND
ug/L
50.0
1.2
1
07/23/2111:48
07/23/2115:52
121-14-2
H2
Hexachloro-1,3-butadiene
ND
ug/L
50.0
2.0
1
07/23/2111:48
07/23/2115:52
87-68-3
H2,R1
Hexachlorobenzene
ND
ug/L
50.0
1.7
1
07/23/2111:48
07/23/2115:52
118-74-1
H2
Hexachloroethane
ND
ug/L
50.0
2.0
1
07/23/2111:48
07/23/2115:52
67-72-1
H2,R1
2-Methylphenol(o-Cresol)
ND
ug/L
50.0
1.2
1
07/23/2111:48
07/23/2115:52
95-48-7
H2
3&4-Methyl phenol (m&p Cresol)
ND
ug/L
50.0
1.2
1
07/23/21 11:48
07/23/21 15:52
15831-10-4
H2
Nitrobenzene
ND
ug/L
50.0
2.1
1
07/23/2111:48
07/23/2115:52
98-95-3
H2
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC. Page 30 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: PLI TOXICITY
Pace Project No.: 92550467
Sample: MO-1
Lab ID:
92550467001
Collected:
06/29/21
12:00
Received: 07/20/21 11:45 Matrix: Solid
Results reported on a "dry weight"
basis and are adjusted for percent moisture, sample size and any dilutions.
Report
Parameters
Results
Units
Limit
MDL
DF
Prepared
Analyzed
CAS No.
Qual
8270E TCLP RVE
Analytical Method: EPA 8270E Preparation Method: EPA 3510C
Leachate
Method/Date: EPA 1311; 07/21/21 15:48 Initial pH: 4.78; Final
pH: 5
Pace Analytical
Services
- Charlotte
Pentachlorophenol
ND
ug/L
100
2.2
1
07/23/21 11:48
07/23/21 15:52
87-86-5
H2,R1
Pyridine
ND
ug/L
50.0
3.4
1
07/23/21 11:48
07/23/21 15:52
110-86-1
H2
2,4,5-Trichlorophenol
ND
ug/L
50.0
1.4
1
07/23/21 11:48
07/23/21 15:52
95-95-4
H2,R1
2,4,6-Trichlorophenol
ND
ug/L
50.0
1.5
1
07/23/21 11:48
07/23/21 15:52
88-06-2
H2,R1
Surrogates
Nitrobenzene-d5 (S)
84
%
10-144
1
07/23/21 11:48
07/23/21 15:52
4165-60-0
2-Fluorobiphenyl (S)
75
%
10-130
1
07/23/21 11:48
07/23/21 15:52
321-60-8
Terphenyl-d14 (S)
112
%
34-163
1
07/23/21 11:48
07/23/21 15:52
1718-51-0
Phenol-d6 (S)
36
%
10-130
1
07/23/21 11:48
07/23/21 15:52
13127-88-3
2-Fluorophenol (S)
29
%
10-130
1
07/23/21 11:48
07/23/21 15:52
367-12-4
2,4,6-Tribromophenol (S)
49
%
10-144
1
07/23/21 11:48
07/23/21 15:52
118-79-6
8260D/5035A/5030B Volatiles
Analytical
Method: EPA 8260D
Preparation Method: EPA 5035A/5030B
Pace Analytical
Services
- Charlotte
Acetone
ND
ug/kg
198
63.7
1
07/21/21 09:37
07/21/21 12:05
67-64-1
H3
Benzene
ND
ug/kg
9.9
3.9
1
07/21/21 09:37
07/21/21 12:05
71-43-2
H3
Bromobenzene
ND
ug/kg
9.9
3.2
1
07/21/21 09:37
07/21/21 12:05
108-86-1
H3
Bromochloromethane
ND
ug/kg
9.9
2.9
1
07/21/21 09:37
07/21/21 12:05
74-97-5
H3
Bromodichloromethane
ND
ug/kg
9.9
3.8
1
07/21/21 09:37
07/21/21 12:05
75-27-4
H3
Bromoform
ND
ug/kg
9.9
3.5
1
07/21/21 09:37
07/21/21 12:05
75-25-2
H3
Bromomethane
ND
ug/kg
19.8
15.7
1
07/21/21 09:37
07/21/21 12:05
74-83-9
H3,IK
2-Butanone (MEK)
ND
ug/kg
198
47.6
1
07/21/21 09:37
07/21/21 12:05
78-93-3
H3
n-Butylbenzene
ND
ug/kg
9.9
4.7
1
07/21/21 09:37
07/21/21 12:05
104-51-8
H3
sec-Butylbenzene
ND
ug/kg
9.9
4.4
1
07/21/21 09:37
07/21/21 12:05
135-98-8
H3
tert-Butyl benzene
ND
ug/kg
9.9
3.5
1
07/21/21 09:37
07/21/21 12:05
98-06-6
H3
Carbon tetrachloride
ND
ug/kg
9.9
3.7
1
07/21/21 09:37
07/21/21 12:05
56-23-5
H3
Chlorobenzene
ND
ug/kg
9.9
1.9
1
07/21/21 09:37
07/21/21 12:05
108-90-7
H3
Chloroethane
ND
ug/kg
19.8
7.7
1
07/21/21 09:37
07/21/21 12:05
75-00-3
1-13,I1-1
Chloroform
ND
ug/kg
9.9
6.0
1
07/21/21 09:37
07/21/21 12:05
67-66-3
H3
Chloromethane
ND
ug/kg
19.8
8.3
1
07/21/21 09:37
07/21/21 12:05
74-87-3
H3
2-Chlorotoluene
ND
ug/kg
9.9
3.5
1
07/21/21 09:37
07/21/21 12:05
95-49-8
H3
4-Chlorotoluene
ND
ug/kg
9.9
1.8
1
07/21/21 09:37
07/21/21 12:05
106-43-4
H3
1,2-Dibromo-3-chloropropane
ND
ug/kg
9.9
3.9
1
07/21/21 09:37
07/21/21 12:05
96-12-8
H3
Dibromochloromethane
ND
ug/kg
9.9
5.6
1
07/21/21 09:37
07/21/21 12:05
124-48-1
H3
1,2-Dibromoethane (EDB)
ND
ug/kg
9.9
4.4
1
07/21/21 09:37
07/21/21 12:05
106-93-4
H3
Dibromomethane
ND
ug/kg
9.9
2.1
1
07/21/21 09:37
07/21/21 12:05
74-95-3
H3
1,2-Dichlorobenzene
ND
ug/kg
9.9
3.6
1
07/21/21 09:37
07/21/21 12:05
95-50-1
H3
1,3-Dichlorobenzene
ND
ug/kg
9.9
3.1
1
07/21/21 09:37
07/21/21 12:05
541-73-1
H3
1,4-Dichlorobenzene
ND
ug/kg
9.9
2.6
1
07/21/21 09:37
07/21/21 12:05
106-46-7
H3
Dichlorodifluoromethane
ND
ug/kg
19.8
4.3
1
07/21/21 09:37
07/21/21 12:05
75-71-8
H3
1,1-Dichloroethane
ND
ug/kg
9.9
4.1
1
07/21/21 09:37
07/21/21 12:05
75-34-3
H3
1,2-Dichloroethane
ND
ug/kg
9.9
6.6
1
07/21/21 09:37
07/21/21 12:05
107-06-2
H3
1,1-Dichloroethene
ND
ug/kg
9.9
4.1
1
07/21/21 09:37
07/21/21 12:05
75-35-4
H3
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC. Page 31 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: PLI TOXICITY
Pace Project No.: 92550467
Sample: MO-1
Lab ID:
92550467001
Collected:
06/29/21
12:00
Received: 07/20/21 11:45 Matrix: Solid
Results reported on a "dry weight"
basis and are adjusted for percent moisture, sample size and any dilutions.
Report
Parameters
Results
Units
Limit
MDL
DF
Prepared
Analyzed
CAS No.
Qual
8260D/5035A/5030B Volatiles
Analytical Method: EPA 8260D Preparation Method: EPA 5035A/5030B
Pace Analytical
Services
- Charlotte
cis-1,2-Dichloroethene
ND
ug/kg
9.9
3.4
1
07/21/21 09:37
07/21/21 12:05
156-59-2
H3
trans-1,2-Dichloroethene
ND
ug/kg
9.9
3.5
1
07/21/21 09:37
07/21/21 12:05
156-60-5
H3
1,2-Dichloropropane
ND
ug/kg
9.9
3.0
1
07/21/21 09:37
07/21/21 12:05
78-87-5
H3
1,3-Dichloropropane
ND
ug/kg
9.9
3.1
1
07/21/21 09:37
07/21/21 12:05
142-28-9
H3
2,2-Dichloropropane
ND
ug/kg
9.9
3.2
1
07/21/21 09:37
07/21/21 12:05
594-20-7
H3
1,1-Dichloropropene
ND
ug/kg
9.9
4.8
1
07/21/21 09:37
07/21/21 12:05
563-58-6
H3
cis-1,3-Dichloropropene
ND
ug/kg
9.9
2.7
1
07/21/21 09:37
07/21/21 12:05
10061-01-5
H3
trans- 1,3-Dichloropropene
ND
ug/kg
9.9
3.4
1
07/21/21 09:37
07/21/21 12:05
10061-02-6
H3
Diisopropyl ether
ND
ug/kg
9.9
2.7
1
07/21/21 09:37
07/21/21 12:05
108-20-3
H3
Ethylbenzene
ND
ug/kg
9.9
4.6
1
07/21/21 09:37
07/21/21 12:05
100-41-4
H3
Hexachloro-1,3-butadiene
ND
ug/kg
19.8
16.2
1
07/21/21 09:37
07/21/21 12:05
87-68-3
H3
2-Hexanone
ND
ug/kg
99.2
9.6
1
07/21/21 09:37
07/21/21 12:05
591-78-6
H3
Isopropylbenzene (Cumene)
ND
ug/kg
9.9
3.4
1
07/21/21 09:37
07/21/21 12:05
98-82-8
H3
p-Isopropyltoluene
ND
ug/kg
9.9
4.9
1
07/21/21 09:37
07/21/21 12:05
99-87-6
H3
Methylene Chloride
ND
ug/kg
39.7
27.2
1
07/21/21 09:37
07/21/21 12:05
75-09-2
H3,IK
4-Methyl-2-pentanone (MIBK)
ND
ug/kg
99.2
9.6
1
07/21/21 09:37
07/21/21 12:05
108-10-1
H3
Methyl-tert-butyl ether
ND
ug/kg
9.9
3.7
1
07/21/21 09:37
07/21/21 12:05
1634-04-4
H3
Naphthalene
ND
ug/kg
9.9
5.2
1
07/21/21 09:37
07/21/21 12:05
91-20-3
H3
n-Propylbenzene
ND
ug/kg
9.9
3.5
1
07/21/21 09:37
07/21/21 12:05
103-65-1
H3
Styrene
ND
ug/kg
9.9
2.6
1
07/21/21 09:37
07/21/21 12:05
100-42-5
H3
1,1,1,2-Tetrachloroethane
ND
ug/kg
9.9
3.8
1
07/21/21 09:37
07/21/21 12:05
630-20-6
H3
1,1,2,2-Tetrachloroethane
ND
ug/kg
9.9
2.6
1
07/21/21 09:37
07/21/21 12:05
79-34-5
H3
Tetrachloroethene
ND
ug/kg
9.9
3.1
1
07/21/21 09:37
07/21/21 12:05
127-18-4
H3
Toluene
ND
ug/kg
9.9
2.8
1
07/21/21 09:37
07/21/21 12:05
108-88-3
H3
1,2,3-Trichlorobenzene
ND
ug/kg
9.9
8.0
1
07/21/21 09:37
07/21/21 12:05
87-61-6
H3
1,2,4-Trichlorobenzene
ND
ug/kg
9.9
8.3
1
07/21/21 09:37
07/21/21 12:05
120-82-1
H3
1,1,1-Trichloroethane
ND
ug/kg
9.9
5.2
1
07/21/21 09:37
07/21/21 12:05
71-55-6
H3
1,1,2-Trichloroethane
ND
ug/kg
9.9
3.3
1
07/21/21 09:37
07/21/21 12:05
79-00-5
H3
Trichloroethene
ND
ug/kg
9.9
2.6
1
07/21/21 09:37
07/21/21 12:05
79-01-6
H3
Trichlorofluoromethane
ND
ug/kg
9.9
5.5
1
07/21/21 09:37
07/21/21 12:05
75-69-4
H3
1,2,3-Trichloropropane
ND
ug/kg
9.9
5.0
1
07/21/21 09:37
07/21/21 12:05
96-18-4
H3
1,2,4-Trimethylbenzene
ND
ug/kg
9.9
2.7
1
07/21/21 09:37
07/21/21 12:05
95-63-6
H3
1,3,5-Trimethylbenzene
ND
ug/kg
9.9
3.3
1
07/21/21 09:37
07/21/21 12:05
108-67-8
H3
Vinyl acetate
ND
ug/kg
99.2
7.2
1
07/21/21 09:37
07/21/21 12:05
108-05-4
H3
Vinyl chloride
ND
ug/kg
19.8
5.0
1
07/21/21 09:37
07/21/21 12:05
75-01-4
H3
Xylene (Total)
ND
ug/kg
19.8
5.7
1
07/21/21 09:37
07/21/21 12:05
1330-20-7
m&p-Xylene
ND
ug/kg
19.8
6.8
1
07/21/21 09:37
07/21/21 12:05
179601-23-1
H3
o-Xylene
ND
ug/kg
9.9
4.4
1
07/21/21 09:37
07/21/21 12:05
95-47-6
H3
Surrogates
Toluene-d8 (S)
99
%
70-130
1
07/21/21 09:37
07/21/21 12:05
2037-26-5
4-Bromofluorobenzene (S)
94
%
69-134
1
07/21/21 09:37
07/21/21 12:05
460-00-4
1,2-Dichloroethane-d4 (S)
95
%
70-130
1
07/21/21 09:37
07/21/21 12:05
17060-07-0
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC. Page 32 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: PLI TOXICITY
Pace Project No.: 92550467
Sample: MO-1 Lab ID: 92550467001 Collected: 06/29/21 12:00 Received: 07/20/21 11:45 Matrix: Solid
Results reported on a "dry weight" basis and are adjusted for percent moisture, sample size and any dilutions.
Report
Parameters Results Units Limit MDL DF Prepared Analyzed CAS No. Qual
8260D MSV TCLP
Benzene
2-Butanone (MEK)
Carbon tetrachloride
Chlorobenzene
Chloroform
1,4-Dichlorobenzene
1,2-Dichloroethane
1,1-Dichloroethene
Tetrachloroethene
Trichloroethene
Vinyl chloride
Surrogates
1,2-Dichloroethane-d4 (S)
Toluene-d8 (S)
4-Bromofluorobenzene (S)
Percent Moisture
Percent Moisture
EPA 9056A
Fluoride
Date: 07/30/2021 01:52 PM
Analytical Method: EPA8260D Leachate Method/Date: EPA 1311; 07/25/21 14:42
Pace Analytical Services - Charlotte
ND
ug/L
100
59.8
20
07/26/21 13:10
71-43-2
ND
ug/L
200
158
20
07/26/21 13:10
78-93-3
ND
ug/L
100
44.2
20
07/26/21 13:10
56-23-5
ND
ug/L
100
36.0
20
07/26/21 13:10
108-90-7
ND
ug/L
100
56.2
20
07/26/21 13:10
67-66-3
ND
ug/L
100
38.2
20
07/26/21 13:10
106-46-7
ND
ug/L
100
26.0
20
07/26/21 13:10
107-06-2
ND
ug/L
100
43.0
20
07/26/21 13:10
75-35-4
ND
ug/L
100
35.6
20
07/26/21 13:10
127-18-4
ND
ug/L
100
37.0
20
07/26/21 13:10
79-01-6
ND
ug/L
100
36.2
20
07/26/21 13:10
75-01-4
101
%
70-130
20
07/26/21 13:10
17060-07-0
101
%
67-135
20
07/26/21 13:10
2037-26-5
99
%
70-130
20
07/26/21 13:10
460-00-4
Analytical Method: SW-846
Pace Analytical Services - Charlotte
46.4 % 0.10 0.10 1 07/21 /21 18:24
Analytical Method: EPA 9056 Preparation Method: EPA 5050
Pace Analytical Gulf Coast
ND mg/kg 1.84 0.918 1 07/23/2116:00 07/28/2114:42 16984-48-8
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
H2
H2
H2
H2
H2
H2
H2
H2,L2,
v2
H2
H2
H2
N2
Page 33 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: PLI TOXICITY
Pace Project No.: 92550467
Sample: MO-1 Lab ID: 92550467002 Collected: 06/29/21 12:00 Received: 07/20/21 11:45 Matrix: Water
Report
Parameters Results Units Limit MDL DF Prepared Analyzed CAS No. Qual
6020 MET ICPMS Analytical Method: EPA 6020E Preparation Method: EPA 3010A
Pace Analytical Services -Asheville
Arsenic
Date: 07/30/2021 01:52 PM
0.22J ug/L 2.0 0.17 2 07/29/2115:27 07/30/2110:57 7440-38-2 D3,M5
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
Page 34 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: PLI TOXICITY
Pace Project No.: 92550467
QC Batch: 635420 Analysis Method: EPA 7470A
QC Batch Method: EPA 7470A Analysis Description: 7470 Mercury TCLP
Laboratory: Pace Analytical Services -Asheville
Associated Lab Samples: 92550467001
METHOD BLANK: 3334437
Matrix:
Water
Associated Lab Samples: 92550467001
Blank
Reporting
Parameter
Units
Result
Limit
MDL Analyzed Qualifiers
Mercury
mg/L
ND
0.00020
0.00012 07/23/2114:10
LABORATORY CONTROL SAMPLE:
3336757
Spike
LCS
LCS % Rec
Parameter
Units
Conc.
Result
% Rec Limits Qualifiers
Mercury
mg/L
0.0025
0.0027
107 80-120
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 3336758 3336759
MS MSD
92550599001 Spike Spike MS MSD MS MSD % Rec Max
Parameter Units Result Conc. Conc. Result Result % Rec % Rec Limits RPD RPD Qual
Mercury mg/L ND 0.0025 0.0025 0.0027 0.0029 103 110 75-125 7 20
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC. Page 35 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: PLI TOXICITY
Pace Project No.: 92550467
QC Batch: 635220 Analysis Method: EPA 7471 B
QC Batch Method: EPA 7471 B Analysis Description: 7471 Mercury
Laboratory: Pace Analytical Services -Asheville
Associated Lab Samples: 92550467001
METHOD BLANK: 3335407
Matrix:
Solid
Associated Lab Samples: 92550467001
Blank
Reporting
Parameter
Units
Result
Limit
MDL Analyzed Qualifiers
Mercury
mg/kg
ND
0.0060
0.0046 07/22/2113:55
LABORATORY CONTROL SAMPLE:
3335408
Spike
LCS
LCS % Rec
Parameter
Units
Conc.
Result
% Rec Limits Qualifiers
Mercury
mg/kg
0.083
0.096
116 80-120
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 3335409 3335410
MS MSD
92549207003 Spike Spike MS MSD MS MSD % Rec Max
Parameter Units Result Conc. Conc. Result Result % Rec % Rec Limits RPD RPD Qual
Mercury mg/kg 0.27 0.75 0.75 0.83 0.92 74 86 75-125 11 20 M1
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC. Page 36 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: PLI TOXICITY
Pace Project No.: 92550467
QC Batch: 634946 Analysis Method: EPA 6010D
QC Batch Method: EPA 3050B Analysis Description: 6010 MET
Laboratory: Pace Analytical Services -Asheville
Associated Lab Samples: 92550467001
METHOD BLANK: 3334302
Associated Lab Samples: 92550467001
Parameter
Units
Matrix:
Blank
Result
Solid
Reporting
Limit
MDL
Analyzed Qualifiers
Aluminum
mg/kg
ND
10.0
5.0
07/22/2112:57
Antimony
mg/kg
ND
2.5
0.39
07/22/2112:57
Arsenic
mg/kg
ND
2.5
0.50
07/22/2112:57
Barium
mg/kg
ND
1.0
0.25
07/22/2112:57
Beryllium
mg/kg
ND
0.10
0.050
07/22/2112:57
Boron
mg/kg
ND
25.0
2.5
07/22/2112:57
Cadmium
mg/kg
ND
0.10
0.050
07/22/2112:57
Calcium
mg/kg
8.01
25.0
5.0
07/23/2115:54
Chromium
mg/kg
ND
0.50
0.25
07/22/2112:57
Cobalt
mg/kg
ND
0.50
0.25
07/22/2112:57
Copper
mg/kg
ND
5.0
0.25
07/22/2112:57
Iron
mg/kg
ND
50.0
5.0
07/22/2112:57 BC
Lead
mg/kg
ND
1.0
0.25
07/22/2112:57
Magnesium
mg/kg
1 AJ
10.0
0.25
07/22/21 12:57
Manganese
mg/kg
ND
0.50
0.25
07/22/2112:57
Molybdenum
mg/kg
ND
5.0
0.25
07/22/2112:57
Nickel
mg/kg
ND
0.50
0.25
07/22/2112:57
Potassium
mg/kg
ND
500
500
07/22/2112:57
Selenium
mg/kg
ND
1.0
0.50
07/22/2112:57
Silver
mg/kg
ND
0.50
0.25
07/22/2112:57
Sodium
mg/kg
ND
500
250
07/22/2112:57
Strontium
mg/kg
ND
0.50
0.25
07/22/2112:57
Thallium
mg/kg
ND
1.0
0.50
07/22/2112:57
Titanium
mg/kg
ND
0.50
0.25
07/22/2112:57
Vanadium
mg/kg
ND
0.50
0.25
07/22/2112:57
Zinc
mg/kg
1.0
1.0
0.50
07/23/2115:54 P8
LABORATORY CONTROL SAMPLE:
Parameter
3334303
Units
Spike
Conc.
LCS
Result
LCS
% Rec
% Rec
Limits Qualifiers
Aluminum
mg/kg
500
472
94
80-120
Antimony
mg/kg
50
43.8
88
80-120
Arsenic
mg/kg
50
44.0
88
80-120
Barium
mg/kg
50
46.3
93
80-120
Beryllium
mg/kg
50
45.9
92
80-120
Boron
mg/kg
50
43.1
86
80-120
Cadmium
mg/kg
50
44.4
89
80-120
Calcium
mg/kg
500
470
94
80-120
Chromium
mg/kg
50
46.5
93
80-120
Results presented on this page are in the units indicated
by the "Units"
column except
where an alternate unit
is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC. Page 37 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: PLI TOXICITY
Pace Project No.: 92550467
LABORATORY CONTROL SAMPLE:
3334303
Spike
LCS
LCS
% Rec
Parameter
Units
Conc.
Result
% Rec
Limits
Qualifiers
Cobalt
mg/kg
50
45.1
90
80-120
Copper
mg/kg
50
46.6
93
80-120
Iron
mg/kg
500
452
90
80-120
Lead
mg/kg
50
45.5
91
80-120
Magnesium
mg/kg
500
468
94
80-120
Manganese
mg/kg
50
45.7
91
80-120
Molybdenum
mg/kg
50
48.4
97
80-120
Nickel
mg/kg
50
46.1
92
80-120
Potassium
mg/kg
500
ND
97
80-120
Selenium
mg/kg
50
41.2
82
80-120
Silver
mg/kg
25
22.6
91
80-120
Sodium
mg/kg
500
494J
99
80-120
Strontium
mg/kg
50
46.4
93
80-120
Thallium
mg/kg
50
45.0
90
80-120
Titanium
mg/kg
50
47.0
94
80-120
Vanadium
mg/kg
50
46.6
93
80-120
Zinc
mg/kg
50
45.9
92
80-120
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 3334304
3334305
MS
MSD
92550599001
Spike
Spike
MS
MSD
MS MSD
% Rec
Max
Parameter
Units
Result
Conc.
Conc.
Result
Result
% Rec % Rec
Limits
RPD
RPD Qual
Aluminum
mg/kg
7710
450
421
12300
12100
1010 1040
75-125
2
20 M1
Antimony
mg/kg
ND
45
42.1
7.7
6.3
16
14
75-125
21
20 M1,R1
Arsenic
mg/kg
ND
45
42.1
37.7
33.6
79
75
75-125
12
20
Barium
mg/kg
66.4
45
42.1
105
99.8
87
79
75-125
5
20
Beryllium
mg/kg
0.64
45
42.1
37.1
33.4
81
78
75-125
10
20
Boron
mg/kg
ND
45
42.1
33.6
30.4
69
66
75-125
10
20 M1
Cadmium
mg/kg
0.097
45
42.1
36.4
33.0
81
78
75-125
10
20
Calcium
mg/kg
6130
450
421
6950
6890
182
181
75-125
1
20 M1
Chromium
mg/kg
34.7
45
42.1
73.6
71.1
86
87
75-125
3
20
Cobalt
mg/kg
3.0
45
42.1
37.9
34.6
78
75
75-125
9
20
Copper
mg/kg
145
45
42.1
198
193
118
115
75-125
3
20
Iron
mg/kg
62000
450
421
64800
66800
630 1160
75-125
3
20 M1
Lead
mg/kg
13.6
45
42.1
48.7
44.8
78
74
75-125
8
20 M1
Magnesium
mg/kg
2640
450
421
3500
3460
190
194
75-125
1
20 M1
Manganese
mg/kg
723
45
42.1
780
783
125
141
75-125
0
20 M1
Molybdenum
mg/kg
4.9
45
42.1
39.3
36.0
76
74
75-125
9
20 M1
Nickel
mg/kg
27.7
45
42.1
63.9
61.0
80
79
75-125
5
20
Potassium
mg/kg
529
450
421
956
906
95
90
75-125
5
20
Selenium
mg/kg
1.6
45
42.1
35.2
31.6
74
71
75-125
11
20 M1
Silver
mg/kg
ND
22.5
21
18.9
16.9
84
81
75-125
11
20
Sodium
mg/kg
4300
450
421
5080
4980
174
162
75-125
2
20 M1
Strontium
mg/kg
124
45
42.1
173
168
108
104
75-125
3
20
Thallium
mg/kg
ND
45
42.1
28.6
25.4
63
60
75-125
12
20 M1
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC.
Page 38 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: PLI TOXICITY
Pace Project No.: 92550467
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 3334304
3334305
MS
MSD
92550599001 Spike
Spike
MS
MSD
MS
MSD
% Rec
Max
Parameter Units
Result Conc.
Conc.
Result
Result
% Rec
% Rec
Limits
RPD RPD Qual
Titanium mg/kg
30.2 45
42.1
70.5
67.0
89
87
75-125
5 20
Vanadium mg/kg
5.3 45
42.1
42.8
38.7
83
79
75-125
10 20
Zinc mg/kg
1130 45
42.1
845
827
-627
-716
75-125
2 20 M1
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC.
Page 39 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: PLI TOXICITY
Pace Project No.: 92550467
QC Batch: 635416 Analysis Method: EPA 6010D
QC Batch Method: EPA 3010A Analysis Description: 6010 MET TCLP
Laboratory: Pace Analytical Services -Asheville
Associated Lab Samples: 92550467001
METHOD BLANK: 3334437
Associated Lab Samples: 92550467001
Parameter
Units
Matrix:
Blank
Result
Water
Reporting
Limit
MDL
Analyzed Qualifiers
Aluminum
mg/L
ND
0.50
0.072
07/26/2113:57
Antimony
mg/L
0.030
0.025
0.0030
07/26/2113:57 BC
Arsenic
mg/L
ND
0.050
0.0047
07/26/2113:57
Barium
mg/L
ND
0.25
0.0035
07/26/2113:57
Beryllium
mg/L
ND
0.0050
0.00070
07/26/2113:57
Boron
mg/L
ND
0.25
0.032
07/26/2113:57
Cadmium
mg/L
0.00085J
0.0050
0.00040
07/26/2113:57
Calcium
mg/L
ND
1.0
0.094
07/26/2113:57
Chromium
mg/L
ND
0.050
0.0037
07/26/2113:57
Cobalt
mg/L
ND
0.025
0.0036
07/26/2113:57
Copper
mg/L
0.0191
0.025
0.0043
07/26/2113:57
Iron
mg/L
0.054J
0.25
0.042
07/26/2113:57
Lead
mg/L
0.0067J
0.025
0.0045
07/26/2113:57
Magnesium
mg/L
ND
0.50
0.068
07/26/2113:57
Manganese
mg/L
ND
0.025
0.0034
07/26/2113:57
Molybdenum
mg/L
ND
0.025
0.0039
07/26/2113:57
Nickel
mg/L
ND
0.050
0.0035
07/26/2113:57
Potassium
mg/L
ND
25.0
3.0
07/26/2113:57
Selenium
mg/L
ND
0.10
0.0047
07/26/2113:57
Silver
mg/L
ND
0.025
0.0025
07/26/2113:57
Strontium
mg/L
ND
0.025
0.0035
07/26/2113:57
Thallium
mg/L
0.012J
0.050
0.0081
07/26/2113:57
Tin
mg/L
ND
0.025
0.0047
07/26/2113:57
Titanium
mg/L
ND
0.025
0.0030
07/26/2113:57
Vanadium
mg/L
ND
0.025
0.0039
07/26/2113:57
Zinc
mg/L
0.00991
0.50
0.0095
07/26/2113:57
LABORATORY CONTROL SAMPLE:
Parameter
3336742
Units
Spike
Conc.
LCS
Result
LCS
% Rec
% Rec
Limits Qualifiers
Aluminum
mg/L
25
25.4
102
80-120
Antimony
mg/L
2.5
2.6
104
80-120
Arsenic
mg/L
2.5
2.4
96
80-120
Barium
mg/L
2.5
2.4
97
80-120
Beryllium
mg/L
2.5
2.4
97
80-120
Boron
mg/L
2.5
2.3
93
80-120
Cadmium
mg/L
2.5
2.4
97
80-120
Calcium
mg/L
25
24.2
97
80-120
Chromium
mg/L
2.5
2.3
90
80-120
Results presented on this page are in the units
indicated by the "Units"
column except
where an alternate unit
is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC. Page 40 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: PLI TOXICITY
Pace Project No.: 92550467
LABORATORY CONTROL SAMPLE:
3336742
Spike
LCS
LCS
% Rec
Parameter
Units
Conc.
Result
% Rec
Limits
Qualifiers
Cobalt
mg/L
2.5
2.4
95
80-120
Copper
mg/L
2.5
2.5
102
80-120
Iron
mg/L
25
23.6
94
80-120
Lead
mg/L
2.5
2.4
95
80-120
Magnesium
mg/L
25
22.8
91
80-120
Manganese
mg/L
2.5
2.3
92
80-120
Molybdenum
mg/L
2.5
2.5
99
80-120
Nickel
mg/L
2.5
2.3
92
80-120
Potassium
mg/L
25
26.8
107
80-120
Selenium
mg/L
2.5
2.7
106
80-120
Silver
mg/L
1.2
1.3
100
80-120
Silver
mg/L
1.2
1.0
83
80-120
Strontium
mg/L
2.5
2.4
96
80-120
Thallium
mg/L
2.5
2.1
86
80-120
Tin
mg/L
2.5
2.5
100
80-120
Titanium
mg/L
2.5
2.4
97
80-120
Vanadium
mg/L
2.5
2.4
96
80-120
Zinc
mg/L
2.5
2.5
102
80-120
MATRIX SPIKE & MATRIX SPIKE
DUPLICATE:
3336743
3336744
MS
MSD
92550599001
Spike
Spike
MS
MSD
MS MSD
% Rec
Max
Parameter
Units
Result
Conc.
Conc.
Result
Result
% Rec % Rec
Limits
RPD
RPD Qual
Aluminum
mg/L
ND
25
25
25.2
24.7
101
99
75-125
2
20
Antimony
mg/L
ND
2.5
2.5
2.5
2.5
101
99
75-125
1
20
Arsenic
mg/L
ND
2.5
2.5
2.4
2.4
95
94
75-125
0
20
Barium
mg/L
ND
2.5
2.5
2.4
2.4
97
95
75-125
2
20
Beryllium
mg/L
ND
2.5
2.5
2.4
2.4
97
95
75-125
2
20
Boron
mg/L
ND
2.5
2.5
2.3
2.3
93
93
75-125
1
20
Cadmium
mg/L
ND
2.5
2.5
2.4
2.4
96
94
75-125
2
20
Calcium
mg/L
ND
25
25
24.1
23.5
96
94
75-125
3
20
Chromium
mg/L
ND
2.5
2.5
2.3
2.2
90
89
75-125
1
20
Cobalt
mg/L
ND
2.5
2.5
2.3
2.3
93
91
75-125
2
20
Copper
mg/L
ND
2.5
2.5
2.5
2.5
100
99
75-125
1
20
Iron
mg/L
ND
25
25
24.5
22.9
98
91
75-125
7
20
Lead
mg/L
ND
2.5
2.5
2.3
2.3
93
91
75-125
2
20
Magnesium
mg/L
ND
25
25
22.5
22.4
90
90
75-125
1
20
Manganese
mg/L
ND
2.5
2.5
2.3
2.2
91
89
75-125
3
20
Molybdenum
mg/L
ND
2.5
2.5
2.4
2.4
98
97
75-125
1
20
Nickel
mg/L
ND
2.5
2.5
2.3
2.3
92
90
75-125
1
20
Potassium
mg/L
ND
25
25
27.1
26.5
101
99
75-125
2
20
Selenium
mg/L
ND
2.5
2.5
2.6
2.6
104
102
75-125
1
20
Silver
mg/L
ND
1.2
1.2
1.1
1.2
89
97
75-125
8
20
Silver
mg/L
ND
1.2
1.2
1.1
1.0
89
83
75-125
7
20
Silver
mg/L
ND
1.2
1.2
1.2
1.0
99
83
75-125
7
20
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC.
Page 41 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project:
Pace Project No.:
PLI TOXICITY
92550467
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 3336743
3336744
MS
MSD
92550599001
Spike
Spike
MS
MSD
MS
MSD
% Rec
Max
Parameter
Units
Result
Conc.
Conc.
Result
Result
% Rec
% Rec
Limits
RPD
RPD Qual
Silver
mg/L
ND
1.2
1.2
1.2
1.2
99
97
75-125
8
20
Strontium
mg/L
ND
2.5
2.5
2.4
2.4
97
95
75-125
2
20
Thallium
mg/L
ND
2.5
2.5
2.1
2.1
85
85
75-125
0
20
Tin
mg/L
ND
2.5
2.5
2.5
2.4
98
96
75-125
2
20
Titanium
mg/L
ND
2.5
2.5
2.4
2.4
96
95
75-125
1
20
Vanadium
mg/L
ND
2.5
2.5
2.4
2.4
95
94
75-125
1
20
Zinc
mg/L
ND
2.5
2.5
2.5
2.4
100
97
75-125
2
20
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC.
Page 42 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: PLI TOXICITY
Pace Project No.: 92550467
QC Batch: 636871 Analysis Method: EPA 6020B
QC Batch Method: EPA 3010A Analysis Description: 6020 MET
Laboratory: Pace Analytical Services -Asheville
Associated Lab Samples: 92550467002
METHOD BLANK: 3343963
Matrix:
Water
Associated Lab Samples: 92550467002
Blank
Reporting
Parameter
Units
Result
Limit
Arsenic
ug/L
ND
1.0
LABORATORY CONTROL SAMPLE:
3343964
Spike
LCS
Parameter
Units
Conc.
Result
Arsenic
ug/L
50
58.5
MDL Analyzed Qualifiers
0.087 07/30/2110:35 M5
LCS % Rec
% Rec Limits Qualifiers
117 80-120 M5
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC.
Page 43 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: PLI TOXICITY
Pace Project No.: 92550467
QC Batch: 634811 Analysis Method: EPA 8260D
QC Batch Method: EPA 5035A/5030B Analysis Description: 8260D 5035A 5030E
Laboratory: Pace Analytical Services - Charlotte
Associated Lab Samples: 92550467001
METHOD BLANK: 3333574
Associated Lab Samples: 92550467001
Parameter
Units
Matrix:
Blank
Result
Solid
Reporting
Limit
MDL
Analyzed
1,1,1,2-Tetrachloroethane
ug/kg
ND
5.0
1.9
07/21/21 11:31
1,1,1-Trichloroethane
ug/kg
ND
5.0
2.6
07/21/21 11:31
1,1,2,2-Tetrachloroethane
ug/kg
ND
5.0
1.3
07/21/21 11:31
1,1,2-Trichloroethane
ug/kg
ND
5.0
1.7
07/21/21 11:31
1,1-Dichloroethane
ug/kg
ND
5.0
2.1
07/21/21 11:31
1,1-Dichloroethene
ug/kg
ND
5.0
2.1
07/21/21 11:31
1,1-Dichloropropene
ug/kg
ND
5.0
2.4
07/21/21 11:31
1,2,3-Trichlorobenzene
ug/kg
ND
5.0
4.0
07/21/21 11:31
1,2,3-Trichloropropane
ug/kg
ND
5.0
2.5
07/21/21 11:31
1,2,4-Trichlorobenzene
ug/kg
ND
5.0
4.2
07/21/21 11:31
1,2,4-Trimethylbenzene
ug/kg
ND
5.0
1.4
07/21/21 11:31
1,2-Dibromo-3-chloropropane
ug/kg
ND
5.0
1.9
07/21/21 11:31
1,2-Dibromoethane (EDB)
ug/kg
ND
5.0
2.2
07/21/21 11:31
1,2-Dichlorobenzene
ug/kg
ND
5.0
1.8
07/21/21 11:31
1,2-Dichloroethane
ug/kg
ND
5.0
3.3
07/21/21 11:31
1,2-Dichloropropane
ug/kg
ND
5.0
1.5
07/21/21 11:31
1,3,5-Trimethylbenzene
ug/kg
ND
5.0
1.7
07/21/21 11:31
1,3-Dichlorobenzene
ug/kg
ND
5.0
1.6
07/21/21 11:31
1,3-Dichloropropane
ug/kg
ND
5.0
1.6
07/21/21 11:31
1,4-Dichlorobenzene
ug/kg
ND
5.0
1.3
07/21/21 11:31
2,2-Dichloropropane
ug/kg
ND
5.0
1.6
07/21/21 11:31
2-Butanone (MEK)
ug/kg
ND
100
24.0
07/21/21 11:31
2-Chlorotoluene
ug/kg
ND
5.0
1.8
07/21/21 11:31
2-Hexanone
ug/kg
ND
50.0
4.8
07/21/21 11:31
4-Chlorotoluene
ug/kg
ND
5.0
0.88
07/21/21 11:31
4-Methyl-2-pentanone (MIBK)
ug/kg
ND
50.0
4.8
07/21/21 11:31
Acetone
ug/kg
ND
100
32.1
07/21/21 11:31
Benzene
ug/kg
ND
5.0
2.0
07/21/21 11:31
Bromobenzene
ug/kg
ND
5.0
1.6
07/21/21 11:31
Bromochloromethane
ug/kg
ND
5.0
1.5
07/21/21 11:31
Bromodichloromethane
ug/kg
ND
5.0
1.9
07/21/21 11:31
Bromoform
ug/kg
ND
5.0
1.8
07/21/21 11:31
Bromomethane
ug/kg
ND
10.0
7.9
07/21/21 11:31
Carbon tetrachloride
ug/kg
ND
5.0
1.9
07/21/21 11:31
Chlorobenzene
ug/kg
ND
5.0
0.96
07/21/21 11:31
Chloroethane
ug/kg
ND
10.0
3.9
07/21/21 11:31
Chloroform
ug/kg
ND
5.0
3.0
07/21/21 11:31
Chloromethane
ug/kg
ND
10.0
4.2
07/21/21 11:31
cis-1,2-Dichloroethene
ug/kg
ND
5.0
1.7
07/21/21 11:31
cis-1,3-Dichloropropene
ug/kg
ND
5.0
1.4
07/21/21 11:31
IK
I.
Qualifiers
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC.
Page 44 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: PLI TOXICITY
Pace Project No.: 92550467
METHOD BLANK: 3333574
Associated Lab Samples: 92550467001
Parameter
Units
Matrix:
Blank
Result
Solid
Reporting
Limit
MDL
Analyzed
Dibromochloromethane
ug/kg
ND
5.0
2.8
07/21/21 11:31
Dibromomethane
ug/kg
ND
5.0
1.1
07/21/21 11:31
Dichlorodifluoromethane
ug/kg
ND
10.0
2.2
07/21/21 11:31
Diisopropyl ether
ug/kg
ND
5.0
1.4
07/21/21 11:31
Ethylbenzene
ug/kg
ND
5.0
2.3
07/21/21 11:31
Hexachloro-1,3-butadiene
ug/kg
ND
10.0
8.2
07/21/21 11:31
Isopropylbenzene (Cumene)
ug/kg
ND
5.0
1.7
07/21/21 11:31
m&p-Xylene
ug/kg
ND
10.0
3.4
07/21/21 11:31
Methyl-tert-butyl ether
ug/kg
ND
5.0
1.9
07/21/21 11:31
Methylene Chloride
ug/kg
ND
20.0
13.7
07/21/21 11:31
n-Butylbenzene
ug/kg
ND
5.0
2.4
07/21/21 11:31
n-Propylbenzene
ug/kg
ND
5.0
1.8
07/21/21 11:31
Naphthalene
ug/kg
ND
5.0
2.6
07/21/21 11:31
o-Xylene
ug/kg
ND
5.0
2.2
07/21/21 11:31
p-Isopropyltoluene
ug/kg
ND
5.0
2.5
07/21/21 11:31
sec-Butylbenzene
ug/kg
ND
5.0
2.2
07/21/21 11:31
Styrene
ug/kg
ND
5.0
1.3
07/21/21 11:31
tert-Butyl benzene
ug/kg
ND
5.0
1.8
07/21/21 11:31
Tetrachloroethene
ug/kg
ND
5.0
1.6
07/21/21 11:31
Toluene
ug/kg
ND
5.0
1.4
07/21/21 11:31
trans-1,2-Dichloroethene
ug/kg
ND
5.0
1.8
07/21/21 11:31
trans- 1,3-Dichloropropene
ug/kg
ND
5.0
1.7
07/21/21 11:31
Trichloroethene
ug/kg
ND
5.0
1.3
07/21/21 11:31
Trichlorofluoromethane
ug/kg
ND
5.0
2.8
07/21/21 11:31
Vinyl acetate
ug/kg
ND
50.0
3.6
07/21/21 11:31
Vinyl chloride
ug/kg
ND
10.0
2.5
07/21/21 11:31
Xylene (Total)
ug/kg
ND
10.0
2.8
07/21/21 11:31
1,2-Dichloroethane-d4 (S)
%
96
70-130
07/21/21 11:31
4-Bromofluorobenzene (S)
%
100
69-134
07/21/21 11:31
Toluene-d8 (S)
%
100
70-130
07/21/21 11:31
IK
Qualifiers
LABORATORY CONTROL SAMPLE:
3333575
Spike
LCS
LCS
% Rec
Parameter
Units
Conc.
Result
% Rec
Limits Qualifiers
1,1,1,2-Tetrachloroethane
ug/kg
1250
1190
95
70-130
1,1,1-Trichloroethane
ug/kg
1250
1180
95
70-130
1,1,2,2-Tetrachloroethane
ug/kg
1250
1120
90
70-130
1,1,2-Trichloroethane
ug/kg
1250
1130
90
70-130
1,1-Dichloroethane
ug/kg
1250
1030
82
70-130
1,1-Dichloroethene
ug/kg
1250
1250
100
70-130
1,1-Dichloropropene
ug/kg
1250
989
79
70-130
1,2,3-Trichlorobenzene
ug/kg
1250
1150
92
65-130
1,2,3-Trichloropropane
ug/kg
1250
1090
87
70-130
1,2,4-Trichlorobenzene
ug/kg
1250
1160
93
68-130
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC. Page 45 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: PLI TOXICITY
Pace Project No.: 92550467
LABORATORY CONTROL SAMPLE:
Parameter
3333575
Units
Spike
Conc.
LCS
Result
LCS
% Rec
% Rec
Limits Qualifiers
1,2,4-Trimethylbenzene
ug/kg
1250
1110
89
70-130
1,2-Dibromo-3-chloropropane
ug/kg
1250
1270
101
70-130
1,2-Dibromoethane (EDB)
ug/kg
1250
1130
91
70-130
1,2-Dichlorobenzene
ug/kg
1250
1130
90
70-130
1,2-Dichloroethane
ug/kg
1250
1110
89
63-130
1,2-Dichloropropane
ug/kg
1250
1080
86
70-130
1,3,5-Trimethylbenzene
ug/kg
1250
1160
93
70-130
1,3-Dichlorobenzene
ug/kg
1250
1140
91
70-130
1,3-Dichloropropane
ug/kg
1250
1110
89
70-130
1,4-Dichlorobenzene
ug/kg
1250
1310
104
70-130
2,2-Dichloropropane
ug/kg
1250
1060
84
66-130
2-Butanone (MEK)
ug/kg
2500
2110
84
70-130
2-Chlorotoluene
ug/kg
1250
1110
88
70-130
2-Hexanone
ug/kg
2500
2420
97
70-130
4-Chlorotoluene
ug/kg
1250
1240
100
70-130
4-Methyl-2-pentanone (MIBK)
ug/kg
2500
2210
88
70-130
Acetone
ug/kg
2500
2360
95
69-130
Benzene
ug/kg
1250
1090
87
70-130
Bromobenzene
ug/kg
1250
1300
104
70-130
Bromochloromethane
ug/kg
1250
1270
102
70-130
Bromodichloromethane
ug/kg
1250
1150
92
69-130
Bromoform
ug/kg
1250
1250
100
70-130
Bromomethane
ug/kg
1250
1140
91
52-1301K
Carbon tetrachloride
ug/kg
1250
1270
101
70-130
Chlorobenzene
ug/kg
1250
1130
90
70-130
Chloroethane
ug/kg
1250
1360
109
65-1301H
Chloroform
ug/kg
1250
1180
94
70-130
Chloromethane
ug/kg
1250
1210
97
55-130
cis-1,2-Dichloroethene
ug/kg
1250
1050
84
70-130
cis-1,3-Dichloropropene
ug/kg
1250
1160
93
70-130
Dibromochloromethane
ug/kg
1250
1160
93
70-130
Dibromomethane
ug/kg
1250
1240
99
70-130
Dichlorodifluoromethane
ug/kg
1250
1200
96
45-156
Diisopropyl ether
ug/kg
1250
936
75
70-130
Ethylbenzene
ug/kg
1250
1270
101
70-130
Hexachloro-1,3-butadiene
ug/kg
1250
1170
93
66-130
Isopropylbenzene (Cumene)
ug/kg
1250
1290
103
70-130
m&p-Xylene
ug/kg
2500
2550
102
70-130
Methyl-tert-butyl ether
ug/kg
1250
1000
80
70-130
Methylene Chloride
ug/kg
1250
1180
94
65-130 IK
n-Butylbenzene
ug/kg
1250
1110
89
67-130
n-Propylbenzene
ug/kg
1250
1240
99
70-130
Naphthalene
ug/kg
1250
1170
94
70-130
o-Xylene
ug/kg
1250
1280
102
70-130
p-Isopropyltoluene
ug/kg
1250
1180
95
67-130
sec-Butylbenzene
ug/kg
1250
1100
88
69-130
Styrene
ug/kg
1250
1260
101
70-130
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC. Page 46 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: PLI TOXICITY
Pace Project No.: 92550467
LABORATORY CONTROL SAMPLE:
Parameter
3333575
Units
Spike
Conc.
LCS
Result
LCS
% Rec
% Rec
Limits Qualifiers
tert-Butyl benzene
ug/kg
1250
1170
94
67-130
Tetrachloroethene
ug/kg
1250
1170
94
70-130
Toluene
ug/kg
1250
1260
101
70-130
trans-1,2-Dichloroethene
ug/kg
1250
1210
96
70-130
trans- 1,3-Dichloropropene
ug/kg
1250
1150
92
68-130
Trichloroethene
ug/kg
1250
1160
92
70-130
Trichlorofluoromethane
ug/kg
1250
1040
84
70-130
Vinyl acetate
ug/kg
2500
2050
82
70-130
Vinyl chloride
ug/kg
1250
1120
89
61-130
Xylene (Total)
ug/kg
3750
3820
102
70-130
1,2-Dichloroethane-d4 (S)
%
90
70-130
4-Bromofluorobenzene (S)
%
104
69-134
Toluene-d8 (S)
%
97
70-130
MATRIX SPIKE SAMPLE:
Parameter
3333577
Units
92549866002
Result
Spike
Conc.
MS
Result
MS
% Rec
% Rec
Limits Qualifiers
1,1,1,2-Tetrachloroethane
ug/kg
ND
654
608
93
70-131
1,1,1-Trichloroethane
ug/kg
ND
654
691
106
65-133
1,1,2,2-Tetrachloroethane
ug/kg
ND
654
522
80
66-130
1,1,2-Trichloroethane
ug/kg
ND
654
584
89
66-133
1,1-Dichloroethane
ug/kg
ND
654
553
85
65-130
1,1-Dichloroethene
ug/kg
ND
654
766
117
10-158
1,1-Dichloropropene
ug/kg
ND
654
599
92
68-133
1,2,3-Trichlorobenzene
ug/kg
ND
654
676
103
27-138
1,2,3-Trichloropropane
ug/kg
ND
654
502
77
67-130
1,2,4-Trichlorobenzene
ug/kg
ND
654
703
108
51-134
1,2,4-Trimethylbenzene
ug/kg
25.4
654
703
104
63-136
1,2-Dibromo-3-chloropropane
ug/kg
ND
654
626
96
32-130
1,2-Dibromoethane (EDB)
ug/kg
ND
654
582
89
70-130
1,2-Dichlorobenzene
ug/kg
ND
654
625
96
69-130
1,2-Dichloroethane
ug/kg
ND
654
618
95
59-130
1,2-Dichloropropane
ug/kg
ND
654
593
91
70-130
1,3,5-Trimethylbenzene
ug/kg
12.0
654
726
109
65-137
1,3-Dichlorobenzene
ug/kg
ND
654
635
97
70-130
1,3-Dichloropropane
ug/kg
ND
654
594
91
70-130
1,4-Dichlorobenzene
ug/kg
ND
654
739
113
68-130
2,2-Dichloropropane
ug/kg
ND
654
558
85
32-130
2-Butanone (MEK)
ug/kg
ND
1300
871
67
10-136
2-Chlorotoluene
ug/kg
ND
654
640
98
69-141
2-Hexanone
ug/kg
ND
1300
1100
84
10-144
4-Chlorotoluene
ug/kg
ND
654
693
106
70-132
4-Methyl-2-pentanone (MIBK)
ug/kg
ND
1300
1030
77
25-143
Acetone
ug/kg
135
1300
1060
71
10-130
Benzene
ug/kg
ND
654
627
96
67-130
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC. Page 47 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: PLI TOXICITY
Pace Project No.: 92550467
MATRIX SPIKE SAMPLE:
3333577
92549866002
Spike
MS
MS
% Rec
Parameter
Units
Result
Conc.
Result
% Rec
Limits Qualifiers
Bromobenzene
ug/kg
ND
654
752
115
70-130
Bromochloromethane
ug/kg
ND
654
672
103
69-134
Bromodichloromethane
ug/kg
ND
654
573
88
64-130
Bromoform
ug/kg
ND
654
538
82
62-130
Bromomethane
ug/kg
ND
654
219
34
20-1761K
Carbon tetrachloride
ug/kg
ND
654
736
113
65-140
Chlorobenzene
ug/kg
ND
654
627
96
70-130
Chloroethane
ug/kg
ND
654
159
24
10-1301H
Chloroform
ug/kg
23.7
654
706
104
63-130
Chloromethane
ug/kg
ND
654
703
108
58-130
cis-1,2-Dichloroethene
ug/kg
ND
654
591
90
66-130
cis-1,3-Dichloropropene
ug/kg
ND
654
587
90
67-130
Dibromochloromethane
ug/kg
ND
654
562
86
67-130
Dibromomethane
ug/kg
ND
654
659
101
63-131
Dichlorodifluoromethane
ug/kg
ND
654
664
102
44-180
Diisopropyl ether
ug/kg
ND
654
526
80
63-130
Ethylbenzene
ug/kg
ND
654
715
109
66-130
Hexachloro-1,3-butadiene
ug/kg
ND
654
745
114
64-150
Isopropylbenzene (Cumene)
ug/kg
ND
654
718
110
69-135
m&p-Xylene
ug/kg
30.4
1300
1490
112
60-133
Methyl-tert-butyl ether
ug/kg
ND
654
580
89
65-130
Methylene Chloride
ug/kg
ND
654
732
112
61-130 IK
n-Butylbenzene
ug/kg
ND
654
663
101
65-140
n-Propylbenzene
ug/kg
ND
654
761
116
67-140
Naphthalene
ug/kg
77.2
654
750
103
15-145
o-Xylene
ug/kg
23.2
654
725
107
66-133
p-Isopropyltoluene
ug/kg
9.6
654
696
105
56-147
sec-Butylbenzene
ug/kg
ND
654
667
102
65-139
Styrene
ug/kg
ND
654
659
101
70-132
tert-Butyl benzene
ug/kg
ND
654
697
107
62-135
Tetrachloroethene
ug/kg
ND
654
724
111
70-135
Toluene
ug/kg
21.4
654
728
108
67-130
trans-1,2-Dichloroethene
ug/kg
ND
654
734
112
69-130
trans- 1,3-Dichloropropene
ug/kg
ND
654
545
83
62-130
Trichloroethene
ug/kg
ND
654
672
103
70-135
Trichlorofluoromethane
ug/kg
ND
654
210
32
10-130
Vinyl acetate
ug/kg
ND
1300
1060
81
53-130
Vinyl chloride
ug/kg
ND
654
598
91
61-148
Xylene (Total)
ug/kg
53.6
1960
2220
110
63-132
1,2-Dichloroethane-d4 (S)
%
96
70-130
4-Bromofluorobenzene (S)
%
98
69-134
Toluene-d8 (S)
%
97
70-130
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC. Page 48 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: PLI TOXICITY
Pace Project No.: 92550467
SAMPLE DUPLICATE: 3333576
Parameter
Units
92549866001
Result
Dup
Result
RPD
Max
RPD Qualifiers
1,1,1,2-Tetrachloroethane
ug/kg
ND
ND
30
1,1,1-Trichloroethane
ug/kg
ND
ND
30
1,1,2,2-Tetrachloroethane
ug/kg
ND
ND
30
1,1,2-Trichloroethane
ug/kg
ND
ND
30
1,1-Dichloroethane
ug/kg
ND
ND
30
1,1-Dichloroethene
ug/kg
ND
ND
30
1,1-Dichloropropene
ug/kg
ND
ND
30
1,2,3-Trichlorobenzene
ug/kg
ND
ND
30
1,2,3-Trichloropropane
ug/kg
ND
ND
30
1,2,4-Trichlorobenzene
ug/kg
ND
ND
30
1,2,4-Trimethylbenzene
ug/kg
40.6
45.2
11
30
1,2-Dibromo-3-chloropropane
ug/kg
ND
ND
30
1,2-Dibromoethane (EDB)
ug/kg
ND
ND
30
1,2-Dichlorobenzene
ug/kg
ND
ND
30
1,2-Dichloroethane
ug/kg
ND
ND
30
1,2-Dichloropropane
ug/kg
ND
ND
30
1,3,5-Trimethylbenzene
ug/kg
17.4
20.3
15
30
1,3-Dichlorobenzene
ug/kg
ND
ND
30
1,3-Dichloropropane
ug/kg
ND
ND
30
1,4-Dichlorobenzene
ug/kg
ND
ND
30
2,2-Dichloropropane
ug/kg
ND
ND
30
2-Butanone (MEK)
ug/kg
ND
ND
30
2-Chlorotoluene
ug/kg
ND
ND
30
2-Hexanone
ug/kg
ND
ND
30
4-Chlorotoluene
ug/kg
ND
ND
30
4-Methyl-2-pentanone (MIBK)
ug/kg
ND
31.1J
30
Acetone
ug/kg
151
189
22
30
Benzene
ug/kg
ND
3.6J
30
Bromobenzene
ug/kg
ND
ND
30
Bromochloromethane
ug/kg
ND
ND
30
Bromodichloromethane
ug/kg
ND
ND
30
Bromoform
ug/kg
ND
ND
30
Bromomethane
ug/kg
ND
ND
301K
Carbon tetrachloride
ug/kg
ND
ND
30
Chlorobenzene
ug/kg
ND
ND
30
Chloroethane
ug/kg
ND
ND
301H
Chloroform
ug/kg
31.7
31.1
2
30
Chloromethane
ug/kg
ND
ND
30
cis-1,2-Dichloroethene
ug/kg
ND
ND
30
cis-1,3-Dichloropropene
ug/kg
ND
ND
30
Dibromochloromethane
ug/kg
ND
ND
30
Dibromomethane
ug/kg
ND
ND
30
Dichlorodifluoromethane
ug/kg
ND
ND
30
Diisopropyl ether
ug/kg
ND
ND
30
Ethylbenzene
ug/kg
6.6
6.4
3
30
Hexachloro-1,3-butadiene
ug/kg
ND
ND
30
Isopropylbenzene (Cumene)
ug/kg
ND
ND
30
Results presented on this page are in the units
indicated by the "Units" column except where an alternate unit is presented
to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC. Page 49 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: PLI TOXICITY
Pace Project No.: 92550467
SAMPLE DUPLICATE: 3333576
Parameter
Units
92549866001
Result
Dup
Result
m&p-Xylene
ug/kg
64.4
68.0
Methyl-tert-butyl ether
ug/kg
ND
ND
Methylene Chloride
ug/kg
ND
ND
n-Butylbenzene
ug/kg
ND
ND
n-Propylbenzene
ug/kg
ND
ND
Naphthalene
ug/kg
110
135
o-Xylene
ug/kg
40.3
45.2
p-Isopropyltoluene
ug/kg
13.0
14.4
sec-Butylbenzene
ug/kg
ND
ND
Styrene
ug/kg
ND
6.4
tert-Butyl benzene
ug/kg
ND
ND
Tetrachloroethene
ug/kg
ND
ND
Toluene
ug/kg
44.7
49.2
trans-1,2-Dichloroethene
ug/kg
ND
ND
trans- 1,3-Dichloropropene
ug/kg
ND
ND
Trichloroethene
ug/kg
ND
ND
Trichlorofluoromethane
ug/kg
ND
ND
Vinyl acetate
ug/kg
ND
ND
Vinyl chloride
ug/kg
ND
ND
Xylene (Total)
ug/kg
105
113
1,2-Dichloroethane-d4 (S)
%
96
93
4-Bromofluorobenzene (S)
%
99
99
Toluene-d8 (S)
%
99
97
RPD
Max
RPD Qualifiers
5
30
30
30 I K
30
30
20
30
11
30
11
30
30
30
30
30
9
30
30
30
30
30
30
30
8
30
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC. Page 50 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: PLI TOXICITY
Pace Project No.: 92550467
QC Batch: 635829 Analysis Method: EPA 8260D
QC Batch Method: EPA 8260D Analysis Description: 8260D MSV TCLP
Laboratory: Pace Analytical Services - Charlotte
Associated Lab Samples: 92550467001
METHOD BLANK: 3338659
Associated Lab Samples: 92550467001
Parameter
Units
Matrix:
Blank
Result
Water
Reporting
Limit
MDL
Analyzed Qualifiers
1,1-Dichloroethene
ug/L
ND
5.0
2.2
07/26/21 11:04 v2
1,2-Dichloroethane
ug/L
ND
5.0
1.3
07/26/21 11:04
1,4-Dichlorobenzene
ug/L
ND
5.0
1.9
07/26/21 11:04
2-Butanone (MEK)
ug/L
ND
10.0
7.9
07/26/21 11:04
Benzene
ug/L
ND
5.0
3.0
07/26/21 11:04
Carbon tetrachloride
ug/L
ND
5.0
2.2
07/26/21 11:04
Chlorobenzene
ug/L
ND
5.0
1.8
07/26/21 11:04
Chloroform
ug/L
ND
5.0
2.8
07/26/21 11:04
Tetrachloroethene
ug/L
ND
5.0
1.8
07/26/21 11:04
Trichloroethene
ug/L
ND
5.0
1.8
07/26/21 11:04
Vinyl chloride
ug/L
ND
5.0
1.8
07/26/21 11:04
1,2-Dichloroethane-d4 (S)
%
99
70-130
07/26/21 11:04
4-Bromofluorobenzene (S)
%
98
70-130
07/26/21 11:04
Toluene-d8 (S)
%
98
67-135
07/26/21 11:04
LABORATORY CONTROL SAMPLE:
Parameter
3338658
Units
Spike
Conc.
LCS
Result
LCS
% Rec
% Rec
Limits Qualifiers
1,1-Dichloroethene
ug/L
50
32.8
66
70-132 L2,v3
1,2-Dichloroethane
ug/L
50
39.1
78
70-130
1,4-Dichlorobenzene
ug/L
50
44.9
90
70-130
2-Butanone (MEK)
ug/L
100
103
103
70-133
Benzene
ug/L
50
42.6
85
70-130
Carbon tetrachloride
ug/L
50
43.6
87
70-130
Chlorobenzene
ug/L
50
43.0
86
70-130
Chloroform
ug/L
50
42.1
84
70-130
Tetrachloroethene
ug/L
50
43.3
87
70-130
Trichloroethene
ug/L
50
43.8
88
70-130
Vinyl chloride
ug/L
50
42.9
86
59-142
1,2-Dichloroethane-d4 (S)
%
90
70-130
4-Bromofluorobenzene (S)
%
92
70-130
Toluene-d8(S)
%
101
67-135
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC. Page 51 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: PLI TOXICITY
Pace Project No.: 92550467
MATRIX SPIKE & MATRIX SPIKE
DUPLICATE: 3338660
3338661
MS
MSD
92550251001
Spike
Spike
MS
MSD
MS
MSD
% Rec
Max
Parameter
Units
Result
Conc.
Conc.
Result
Result
% Rec
% Rec
Limits
RPD
RPD Qual
1,1-Dichloroethene
ug/L
ND
400
400
339
352
81
84
70-158
4
30 v3
1,2-Dichloroethane
ug/L
43.6J
400
400
444
422
100
94
67-138
5
30
1,4-Dichlorobenzene
ug/L
ND
400
400
461
453
115
113
70-133
2
30
2-Butanone (MEK)
ug/L
ND
800
800
980
927
122
116
61-147
6
30
Benzene
ug/L
ND
400
400
449
428
103
98
67-150
5
30
Carbon tetrachloride
ug/L
ND
400
400
449
429
108
104
70-147
4
30
Chlorobenzene
ug/L
ND
400
400
448
441
112
110
70-137
2
30
Chloroform
ug/L
ND
400
400
466
447
105
101
70-144
4
30
Tetrachloroethene
ug/L
ND
400
400
422
413
100
98
70-139
2
30
Trichloroethene
ug/L
ND
400
400
449
446
105
104
70-149
1
30
Vinyl chloride
ug/L
ND
400
400
480
468
113
110
55-172
3
30
1,2-Dichloroethane-d4 (S)
%
96
93
70-130
4-Bromofluorobenzene (S)
%
92
92
70-130
Toluene-d8 (S)
%
99
97
67-135
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC.
Page 52 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: PLI TOXICITY
Pace Project No.: 92550467
QC Batch: 635304 Analysis Method: EPA 8081 B
QC Batch Method: EPA 3546 Analysis Description: 8081 GCS Pesticides
Laboratory: Pace Analytical Services - Charlotte
Associated Lab Samples: 92550467001
METHOD BLANK: 3336171
Associated Lab Samples: 92550467001
Parameter
4,4'-DDD
4,4'-DDE
4,4'-DDT
Aldrin
alpha-BHC
beta-BHC
Chlordane (Technical)
delta-BHC
Dieldrin
Endosulfan I
Endosulfan II
Endosulfan sulfate
Endrin
Endrin aldehyde
Endrin ketone
gamma-BHC (Lindane)
Heptachlor
Heptachlor epoxide
Hexachlorobenzene
Methoxychlor
Mirex
Toxaphene
Decachlorobiphenyl (S)
Tetrachloro-m-xylene (S)
Matrix: Solid
Units
Blank
Result
Reporting
Limit
MDL
Analyzed
ug/kg
ND
2.0
0.90
07/23/21 11:03
ug/kg
ND
2.0
0.93
07/23/21 11:03
ug/kg
ND
2.0
0.88
07/23/21 11:03
ug/kg
ND
2.0
0.80
07/23/21 11:03
ug/kg
ND
2.0
0.86
07/23/21 11:03
ug/kg
ND
2.0
0.95
07/23/21 11:03
ug/kg
ND
6.9
4.6
07/23/21 11:03
ug/kg
ND
2.0
0.98
07/23/21 11:03
ug/kg
ND
2.0
0.86
07/23/21 11:03
ug/kg
ND
2.0
0.85
07/23/21 11:03
ug/kg
ND
2.0
0.89
07/23/21 11:03
ug/kg
ND
2.0
1.1
07/23/21 11:03
ug/kg
ND
2.0
0.92
07/23/21 11:03
ug/kg
ND
2.0
1.3
07/23/21 11:03
ug/kg
ND
2.0
1.1
07/23/21 11:03
ug/kg
ND
2.0
0.79
07/23/21 11:03
ug/kg
ND
2.0
0.91
07/23/21 11:03
ug/kg
ND
2.0
0.78
07/23/21 11:03
ug/kg
ND
2.0
0.82
07/23/21 11:03
ug/kg
ND
4.9
2.4
07/23/21 11:03
ug/kg
ND
4.9
2.2
07/23/21 11:03
ug/kg
ND
6.9
5.3
07/23/21 11:03
%
71
10-150
07/23/21 11:03
%
73
10-138
07/23/21 11:03
LABORATORY CONTROL SAMPLE: 3336172
Qualifiers
Spike
LCS
LCS
% Rec
Parameter
Units
Conc.
Result
% Rec
Limits Qualifiers
4,4'-DDD
ug/kg
8.4
6.2
73
57-139
4,4'-DDE
ug/kg
8.4
5.7
68
53-133
4,4'-DDT
ug/kg
8.4
4.9
57
56-142
Aldrin
ug/kg
8.4
5.3
62
47-130
alpha-BHC
ug/kg
8.4
5.4
64
48-132
beta-BHC
ug/kg
8.4
5.5
65
48-136
delta-BHC
ug/kg
8.4
5.3
63
48-130
Dieldrin
ug/kg
8.4
5.7
68
53-135
Endosulfan I
ug/kg
8.4
5.8
69
55-130
Endosulfan II
ug/kg
8.4
5.4
64
58-130
Endosulfan sulfate
ug/kg
8.4
5.6
67
59-133
Results presented on
this page are in the units
indicated by the "Units"
column except
where an alternate unit
is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC.
Page 53 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Project: PLI TOXICITY
Pace Project No.: 92550467
LABORATORY CONTROL SAMPLE: 3336172
Parameter
Endrin
Endrin aldehyde
Endrin ketone
gamma-BHC (Lindane)
Heptachlor
Heptachlor epoxide
Hexachlorobenzene
Methoxychlor
Mirex
Decachlorobiphenyl (S)
Tetrachloro-m-xylene (S)
IL/_11IC7/'�yZ!118:111.911b1»:1
Parameter
4,4'-DDD
4,4'-DDE
4,4'-DDT
Aldrin
alpha-BHC
beta-BHC
delta-BHC
Dieldrin
Endosulfan I
Endosulfan II
Endosulfan sulfate
Endrin
Endrin aldehyde
Endrin ketone
gamma-BHC (Lindane)
Heptachlor
Heptachlor epoxide
Hexachlorobenzene
Methoxychlor
Mirex
Decachlorobiphenyl (S)
Tetrachloro-m-xylene (S)
Units
ug/kg
ug/kg
ug/kg
ug/kg
ug/kg
ug/kg
ug/kg
ug/kg
ug/kg
& *11- 02
Units
ug/kg
ug/kg
ug/kg
ug/kg
ug/kg
ug/kg
ug/kg
ug/kg
ug/kg
ug/kg
ug/kg
ug/kg
ug/kg
ug/kg
ug/kg
ug/kg
ug/kg
ug/kg
ug/kg
ug/kg
QUALITY CONTROL DATA
Spike
Conc.
8.4
8.4
8.4
8.4
8.4
8.4
8.4
25.3
25.3
LCS
Result
5.7
5.0
5.5
5.2
5.5
5.5
5.3
13.4
15.9
35649123009
Result
0.00541-1 mg/kg
0.00561-1 mg/kg
0.00531-1 mg/kg
0.00481-1 mg/kg
0.00521-1 mg/kg
0.00581-1 mg/kg
0.00591-1 mg/kg
0.00521-1 mg/kg
0.0051 U mg/kg
0.00541-1 mg/kg
0.00661-1 mg/kg
0.00561-1 mg/kg
0.0080U mg/kg
0.00661-1 mg/kg
0.00481-1 mg/kg
0.00551-1 mg/kg
0.00471-1 mg/kg
0.00491-1 mg/kg
0.0151-1 mg/kg
0.0131-1 mg/kg
Spike
Conc.
10.1
10.1
10.1
10.1
10.1
10.1
10.1
10.1
10.1
10.1
10.1
10.1
10.1
10.1
10.1
10.1
10.1
10.1
30.5
30.5
LCS
% Rec
68
60
66
62
65
65
62
53
63
60
63
MS
Result
6.5J
7.1 J
7.3J
6.9J
6AJ
8AJ
ND
8.8J
7.7J
6.8J
7.3J
6.5J
ND
ND
7AJ
6.OJ
5.7J
6.1 J
22AJ
18.OJ
% Rec
Limits Qualifiers
60-137
52-130
52-145
50-132
47-130
50-130
40-130
58-139 L2
58-130
10-150
10-138
MS
% Rec
% Rec
Limits Qualifiers
64
23-158
70
15-157
72
24-158
68
15-151
63
18-143
83
12-163
57
17-143
86
10-172
76
21-152
67
21-155
72
26-148
64
22-163
63
22-145
57
15-170
73
21-144
59
15-149
56
19-144
60
22-134
73
26-155
59
12-150
81
10-150
63
10-138 D3
SAMPLE DUPLICATE: 3336174
35649123010 Dup Max
Parameter Units Result Result RPD RPD Qualifiers
4,4'-DDD ug/kg 0.00099U ND 30
mg/kg
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC.
Page 54 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: PLI TOXICITY
Pace Project No.: 92550467
SAMPLE DUPLICATE: 3336174
Parameter
Units
35649123010
Result
Dup
Result
4,4'-DDE
ug/kg
0.0010U
ND
mg/kg
4,4'-DDT
ug/kg
0.000961-1
ND
mg/kg
Aldrin
ug/kg
0.000881-1
ND
mg/kg
alpha-BHC
ug/kg
0.00094U
ND
mg/kg
beta-BHC
ug/kg
0.00101-1
ND
mg/kg
Chlordane (Technical)
ug/kg
0.0051U
ND
mg/kg
delta-BHC
ug/kg
0.0011U
ND
mg/kg
Dieldrin
ug/kg
0.000941-1
ND
mg/kg
Endosulfan I
ug/kg
0.000931-1
ND
mg/kg
Endosulfan II
ug/kg
0.00098U
ND
mg/kg
Endosulfan sulfate
ug/kg
0.00121-1
ND
mg/kg
Endrin
ug/kg
0.0010U
ND
mg/kg
Endrin aldehyde
ug/kg
0.0015U
ND
mg/kg
Endrin ketone
ug/kg
0.00121-1
ND
mg/kg
gamma-BHC (Lindane)
ug/kg
0.000871-1
ND
mg/kg
Heptachlor
ug/kg
0.0010U
ND
mg/kg
Heptachlor epoxide
ug/kg
0.000861-1
ND
mg/kg
Hexachlorobenzene
ug/kg
0.000901-1
ND
mg/kg
Methoxychlor
ug/kg
0.0027U
ND
mg/kg
Mirex
ug/kg
0.00241-1
ND
mg/kg
Toxaphene
ug/kg
0.0058U
ND
mg/kg
Decachlorobiphenyl (S)
%
60
54
Tetrachloro-m-xylene (S)
%
61
55
Max
RPD RPD Qualifiers
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC.
Page 55 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: PLI TOXICITY
Pace Project No.: 92550467
QC Batch: 635527 Analysis Method: EPA 8081 B
QC Batch Method: EPA 3510C Analysis Description: 8081 TCLP Pesticides RV
Laboratory: Pace Analytical Services - Charlotte
Associated Lab Samples: 92550467001
METHOD BLANK: 3334436
Matrix:
Water
Associated Lab Samples: 92550467001
Blank
Reporting
Parameter
Units
Result
Limit
MDL
Analyzed Qualifiers
Chlordane (Technical)
ug/L
ND
3.0
0.20
07/26/21 09:34
Endrin
ug/L
ND
0.50
0.0089
07/26/21 09:34
gamma-BHC (Lindane)
ug/L
ND
0.50
0.012
07/26/21 09:34
Heptachlor
ug/L
ND
0.50
0.016
07/26/21 09:34
Heptachlor epoxide
ug/L
ND
0.50
0.0097
07/26/21 09:34
Methoxychlor
ug/L
ND
1000
0.033
07/26/21 09:34
Toxaphene
ug/L
ND
3.0
0.20
07/26/21 09:34
Decachlorobiphenyl (S)
%
115
10-154
07/26/21 09:34
Tetrachloro-m-xylene (S)
%
75
10-184
07/26/21 09:34
LABORATORY CONTROL SAMPLE:
3337147
Spike
LCS
LCS
% Rec
Parameter
Units
Conc.
Result
% Rec
Limits Qualifiers
Endrin
ug/L
1.2
1.7
139
41-155
gamma-BHC (Lindane)
ug/L
1.2
1.6
131
42-146
Heptachlor
ug/L
1.2
1.6
128
23-135
Heptachlor epoxide
ug/L
1.2
1.6
132
39-142
Methoxychlor
ug/L
3.8
6.1J
164
55-173
Decachlorobiphenyl (S)
%
122
10-154
Tetrachloro-m-xylene (S)
%
103
10-184
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 3337148
3337149
MS
MSD
92550479001
Spike
Spike
MS
MSD
MS
MSD
% Rec
Max
Parameter
Units
Result
Conc.
Conc.
Result
Result
% Rec
% Rec
Limits
RPD
RPD Qual
Endrin
ug/L
ND
1.2
1.2
1.8
1.4
148
115
23-171
25
30
gamma-BHC (Lindane)
ug/L
ND
1.2
1.2
1.6
1.1
129
84
29-157
42
30 R1
Heptachlor
ug/L
ND
1.2
1.2
1.5
0.92
120
74
11-149
48
30 R1
Heptachlor epoxide
ug/L
ND
1.2
1.2
1.7
1.3
138
100
21-157
32
30 R1
Methoxychlor
ug/L
ND
3.8
3.8
6.3J
5.3J
168
142
33-193
30
Decachlorobiphenyl (S)
%
146
114
10-154
Tetrachloro-m-xylene (S)
%
84
41
10-184
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC.
Page 56 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: PLI TOXICITY
Pace Project No.: 92550467
QC Batch: 634980 Analysis Method: EPA 8082A
QC Batch Method: EPA 3546 Analysis Description: 8082 GCS PCB
Laboratory: Pace Analytical Services - Charlotte
Associated Lab Samples: 92550467001
METHOD BLANK: 3334484
Matrix:
Solid
Associated Lab Samples: 92550467001
Blank
Reporting
Parameter
Units
Result
Limit
MDL
Analyzed Qualifiers
PCB-1016 (Aroclor 1016)
ug/kg
ND
32.6
11.9
07/22/21 10:33
PCB-1221 (Aroclor 1221)
ug/kg
ND
32.6
12.6
07/22/21 10:33
PCB-1232 (Aroclor 1232)
ug/kg
ND
32.6
11.4
07/22/21 10:33
PCB-1242 (Aroclor 1242)
ug/kg
ND
32.6
6.1
07/22/21 10:33
PCB-1248 (Aroclor 1248)
ug/kg
ND
32.6
8.1
07/22/21 10:33
PCB-1254 (Aroclor 1254)
ug/kg
ND
32.6
6.1
07/22/21 10:33
PCB-1260 (Aroclor 1260)
ug/kg
ND
32.6
7.8
07/22/21 10:33
Decachlorobiphenyl (S)
%
93
10-160
07/22/21 10:33
LABORATORY CONTROL SAMPLE:
3334485
Spike
LCS LCS % Rec
Parameter
Units
Conc.
Result % Rec Limits Qualifiers
PCB-1016 (Aroclor 1016)
ug/kg
169
156 92 54-130
PCB-1260 (Aroclor 1260)
ug/kg
169
153 90 47-139
Decachlorobiphenyl (S)
%
102 10-160
MATRIX SPIKE SAMPLE:
3334530
92550755001
Spike MS
MS
% Rec
Parameter
Units
Result
Conc. Result
% Rec
Limits Qualifiers
PCB-1016 (Aroclor 1016)
ug/kg
ND
220 183
83
17-131
PCB-1260 (Aroclor 1260)
ug/kg
ND
220 204
93
10-142
Decachlorobiphenyl (S)
%
95
10-160
SAMPLE DUPLICATE: 3334487
92550641001
Dup
Max
Parameter
Units
Result
Result RPD
RPD
Qualifiers
PCB-1016 (Aroclor 1016)
ug/kg
ND
ND
30
PCB-1221 (Aroclor 1221)
ug/kg
ND
ND
30
PCB-1232 (Aroclor 1232)
ug/kg
ND
ND
30
PCB-1242 (Aroclor 1242)
ug/kg
ND
ND
30
PCB-1248 (Aroclor 1248)
ug/kg
ND
ND
30
PCB-1254 (Aroclor 1254)
ug/kg
ND
ND
30
PCB-1260 (Aroclor 1260)
ug/kg
ND
ND
30
Decachlorobiphenyl (S)
%
81
67
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC. Page 57 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: PLI TOXICITY
Pace Project No.: 92550467
QC Batch: 635529 Analysis Method: EPA 8082A
QC Batch Method: EPA 3510C Analysis Description: 8082 TCLP PCB RV
Laboratory: Pace Analytical Services - Charlotte
Associated Lab Samples: 92550467001
METHOD BLANK: 3334436
Matrix:
Water
Associated Lab Samples: 92550467001
Blank
Reporting
Parameter
Units
Result
Limit
MDL
Analyzed Qualifiers
PCB-1016 (Aroclor 1016)
ug/L
ND
1000
1000
07/26/21 08:24
PCB-1221 (Aroclor 1221)
ug/L
ND
1000
1000
07/26/21 08:24
PCB-1232 (Aroclor 1232)
ug/L
ND
1000
1000
07/26/21 08:24
PCB-1242 (Aroclor 1242)
ug/L
ND
1000
1000
07/26/21 08:24
PCB-1248 (Aroclor 1248)
ug/L
ND
1000
1000
07/26/21 08:24
PCB-1254 (Aroclor 1254)
ug/L
ND
1000
1000
07/26/21 08:24
PCB-1260 (Aroclor 1260)
ug/L
ND
1000
1000
07/26/21 08:24
Decachlorobiphenyl (S)
%
116
10-181
07/26/21 08:24
LABORATORY CONTROL SAMPLE: 3337156
Spike LCS LCS % Rec
Parameter Units Conc. Result % Rec Limits Qualifiers
PCB-1016 (Aroclor 1016) ug/L 25 ND 82 41-137
PCB-1260 (Aroclor 1260) ug/L 25 ND 97 42-156
Decachlorobiphenyl (S) % 121 10-181
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 3337157
3337158
MS
MSD
92550755001 Spike
Spike MS MSD
MS
MSD
% Rec Max
Parameter
Units Result Conc.
Conc. Result Result
% Rec
% Rec
Limits RPD RPD Qual
PCB-1016 (Aroclor 1016)
ug/L ND 25
25 ND ND
69
85
22-145
PCB-1260 (Aroclor 1260)
ug/L ND 25
25 ND ND
79
83
10-167
Decachlorobiphenyl (S)
%
91
98
10-181
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC.
Page 58 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: PLI TOXICITY
Pace Project No.: 92550467
QC Batch: 634798 Analysis Method: EPA 8270E
QC Batch Method: EPA 3546 Analysis Description: 8270E Solid MSSV Microwave
Laboratory: Pace Analytical Services - Charlotte
Associated Lab Samples: 92550467001
METHOD BLANK: 3333523
Associated Lab Samples: 92550467001
Parameter
Units
Matrix:
Blank
Result
Solid
Reporting
Limit
MDL
Analyzed
1,2,4-Trichlorobenzene
ug/kg
ND
333
131
07/21/21 12:21
1,2-Dichlorobenzene
ug/kg
ND
333
120
07/21/21 12:21
1,3-Dichlorobenzene
ug/kg
ND
333
118
07/21/21 12:21
1,4-Dichlorobenzene
ug/kg
ND
333
127
07/21/21 12:21
1-Methylnaphthalene
ug/kg
ND
333
117
07/21/21 12:21
2,2'-Oxybis(1-chloropropane)
ug/kg
ND
333
159
07/21/21 12:21
2,4,5-Trichlorophenol
ug/kg
ND
333
153
07/21/21 12:21
2,4,6-Trichlorophenol
ug/kg
ND
333
137
07/21/21 12:21
2,4-Dichlorophenol
ug/kg
ND
333
130
07/21/21 12:21
2,4-Dimethylphenol
ug/kg
ND
333
138
07/21/21 12:21
2,4-Dinitrophenol
ug/kg
ND
1670
1030
07/21/21 12:21
2,4-Dinitrotoluene
ug/kg
ND
333
128
07/21/21 12:21
2,6-Dinitrotoluene
ug/kg
ND
333
122
07/21/21 12:21
2-Chloronaphthalene
ug/kg
ND
333
132
07/21/21 12:21
2-Chlorophenol
ug/kg
ND
333
125
07/21/21 12:21
2-Methylnaphthalene
ug/kg
ND
333
133
07/21/21 12:21
2-Methylphenol(o-Cresol)
ug/kg
ND
333
136
07/21/21 12:21
2-Nitroaniline
ug/kg
ND
1670
273
07/21/21 12:21
2-Nitrophenol
ug/kg
ND
333
144
07/21/21 12:21
3&4-Methyl phenol (m&p Cresol)
ug/kg
ND
333
134
07/21/21 12:21
3,3'-Dichlorobenzidine
ug/kg
ND
667
225
07/21/21 12:21
3-Nitroaniline
ug/kg
ND
1670
262
07/21/21 12:21
4,6-Dinitro-2-methyl phenol
ug/kg
ND
667
311
07/21/21 12:21
4-Bromophenylphenyl ether
ug/kg
ND
333
128
07/21/21 12:21
4-ChIoro-3-methyl phenol
ug/kg
ND
667
234
07/21/21 12:21
4-Chloroaniline
ug/kg
ND
667
262
07/21/21 12:21
4-Chlorophenylphenyl ether
ug/kg
ND
333
124
07/21/21 12:21
4-Nitroaniline
ug/kg
ND
667
254
07/21/21 12:21
4-Nitrophenol
ug/kg
ND
1670
644
07/21/21 12:21
Acenaphthene
ug/kg
ND
333
117
07/21/21 12:21
Acenaphthylene
ug/kg
ND
333
117
07/21/21 12:21
Aniline
ug/kg
ND
333
130
07/21/21 12:21
Anthracene
ug/kg
ND
333
109
07/21/21 12:21
Benzo(a)anthracene
ug/kg
ND
333
111
07/21/21 12:21
Benzo(a)pyrene
ug/kg
ND
333
115
07/21/21 12:21
Benzo(b)fluoranthene
ug/kg
ND
333
111
07/21/21 12:21
Benzo(g,h,i)perylene
ug/kg
ND
333
129
07/21/21 12:21
Benzo(k)fluoranthene
ug/kg
ND
333
117
07/21/21 12:21
Benzoic Acid
ug/kg
ND
1670
716
07/21/21 12:21
Benzyl alcohol
ug/kg
ND
667
253
07/21/21 12:21
v1
IL
IL
v1
Qualifiers
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC. Page 59 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: PLI TOXICITY
Pace Project No.: 92550467
METHOD BLANK: 3333523
Associated Lab Samples: 92550467001
Parameter
Units
Matrix:
Blank
Result
Solid
Reporting
Limit
MDL
Analyzed
bis(2-Chloroethoxy)methane
ug/kg
ND
333
138
07/21/21 12:21
bis(2-Chloroethyl) ether
ug/kg
ND
333
125
07/21/21 12:21
bis(2-Ethylhexyl)phthalate
ug/kg
ND
333
129
07/21/21 12:21
Butylbenzylphthalate
ug/kg
ND
333
140
07/21/21 12:21
Chrysene
ug/kg
ND
333
121
07/21/21 12:21
Di-n-butylphthalate
ug/kg
ND
333
112
07/21/21 12:21
Di-n-octylphthalate
ug/kg
ND
333
131
07/21/21 12:21
Dibenz(a,h)anthracene
ug/kg
ND
333
128
07/21/21 12:21
Dibenzofuran
ug/kg
ND
333
120
07/21/21 12:21
Diethylphthalate
ug/kg
ND
333
122
07/21/21 12:21
Dimethylphthalate
ug/kg
ND
333
121
07/21/21 12:21
Fluoranthene
ug/kg
ND
333
114
07/21/21 12:21
Fluorene
ug/kg
ND
333
117
07/21/21 12:21
Hexachloro-1,3-butadiene
ug/kg
ND
333
144
07/21/21 12:21
Hexachlorobenzene
ug/kg
ND
333
130
07/21/21 12:21
Hexachlorocyclopentadiene
ug/kg
ND
333
191
07/21/21 12:21
Hexachloroethane
ug/kg
ND
333
127
07/21/21 12:21
Indeno(1,2,3-cd)pyrene
ug/kg
ND
333
131
07/21/21 12:21
Isophorone
ug/kg
ND
333
148
07/21/21 12:21
N-Nitroso-di-n-propylamine
ug/kg
ND
333
125
07/21/21 12:21
N-Nitrosodimethylamine
ug/kg
ND
333
112
07/21/21 12:21
N-Nitrosodiphenylamine
ug/kg
ND
333
118
07/21/21 12:21
Naphthalene
ug/kg
ND
333
113
07/21/21 12:21
Nitrobenzene
ug/kg
ND
333
155
07/21/21 12:21
Pentachlorophenol
ug/kg
ND
667
326
07/21/21 12:21
Phenanthrene
ug/kg
ND
333
109
07/21/21 12:21
Phenol
ug/kg
ND
333
148
07/21/21 12:21
Pyrene
ug/kg
ND
333
135
07/21/21 12:21
Pyridine
ug/kg
ND
333
105
07/21/21 12:21
2,4,6-Tribromophenol (S)
%
83
18-130
07/21/21 12:21
2-Fluorobiphenyl (S)
%
67
19-130
07/21/21 12:21
2-Fluorophenol (S)
%
71
18-130
07/21/21 12:21
Nitrobenzene-d5 (S)
%
71
21-130
07/21/21 12:21
Phenol-d6 (S)
%
72
18-130
07/21/21 12:21
Terphenyl-d14 (S)
%
70
15-130
07/21/21 12:21
Qualifiers
LABORATORY CONTROL SAMPLE:
3333524
Spike
LCS
LCS
% Rec
Parameter
Units
Conc.
Result
% Rec
Limits Qualifiers
1,2,4-Trichlorobenzene
ug/kg
1670
1200
72
47-130
1,2-Dichlorobenzene
ug/kg
1670
1160
69
49-130
1,3-Dichlorobenzene
ug/kg
1670
1170
70
48-130
1,4-Dichlorobenzene
ug/kg
1670
1220
73
49-130
1-Methylnaphthalene
ug/kg
1670
1210
73
54-130
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC. Page 60 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: PLI TOXICITY
Pace Project No.: 92550467
LABORATORY CONTROL SAMPLE:
Parameter
3333524
Units
Spike
Conc.
LCS
Result
LCS
% Rec
% Rec
Limits Qualifiers
2,2'-Oxybis(1-chloropropane)
ug/kg
1670
1130
68
38-130
2,4,5-Trichlorophenol
ug/kg
1670
1310
78
49-130
2,4,6-Trichlorophenol
ug/kg
1670
1320
79
50-130
2,4-Dichlorophenol
ug/kg
1670
1210
72
51-130
2,4-Dimethylphenol
ug/kg
1670
1300
78
53-130
2,4-Dinitrophenol
ug/kg
8360
4820
58
39-130 v1
2,4-Dinitrotoluene
ug/kg
1670
1210
73
53-130
2,6-Dinitrotoluene
ug/kg
1670
1290
77
55-130
2-Chloronaphthalene
ug/kg
1670
1250
75
48-130
2-Chlorophenol
ug/kg
1670
1290
77
54-130
2-Methylnaphthalene
ug/kg
1670
1240
74
57-130
2-Methylphenol(o-Cresol)
ug/kg
1670
1280
77
50-130
2-Nitroaniline
ug/kg
3340
2340
70
49-130
2-Nitrophenol
ug/kg
1670
1380
83
50-130
3&4-Methyl phenol (m&p Cresol)
ug/kg
1670
1180
71
50-130
3,3'-Dichlorobenzidine
ug/kg
3340
2510
75
47-130IL
3-Nitroaniline
ug/kg
3340
2150
64
45-130IL
4,6-Dinitro-2-methyl phenol
ug/kg
3340
2270
68
50-142 v1
4-Bromophenylphenyl ether
ug/kg
1670
1360
81
55-130
4-ChIoro-3-methyl phenol
ug/kg
3340
2470
74
52-130
4-Chloroaniline
ug/kg
3340
2250
67
49-130
4-Chlorophenylphenyl ether
ug/kg
1670
1230
74
53-130
4-Nitroaniline
ug/kg
3340
2070
62
51-130
4-Nitrophenol
ug/kg
8360
6170
74
40-130
Acenaphthene
ug/kg
1670
1240
74
56-130
Acenaphthylene
ug/kg
1670
1270
76
58-130
Aniline
ug/kg
1670
1230
74
44-130
Anthracene
ug/kg
1670
1210
73
60-130
Benzo(a)anthracene
ug/kg
1670
1280
77
59-130
Benzo(a)pyrene
ug/kg
1670
1330
80
57-130
Benzo(b)fluoranthene
ug/kg
1670
1290
77
54-130
Benzo(g,h,i)perylene
ug/kg
1670
1420
85
59-130
Benzo(k)fluoranthene
ug/kg
1670
1310
78
54-130
Benzoic Acid
ug/kg
8360
5870
70
19-130
Benzyl alcohol
ug/kg
3340
2420
72
50-130
bis(2-Chloroethoxy)methane
ug/kg
1670
1320
79
55-130
bis(2-Chloroethyl) ether
ug/kg
1670
1430
86
53-130
bis(2-Ethylhexyl)phthalate
ug/kg
1670
1230
74
58-130
Butylbenzylphthalate
ug/kg
1670
1360
81
46-138
Chrysene
ug/kg
1670
1250
75
57-130
Di-n-butylphthalate
ug/kg
1670
1290
77
57-130
Di-n-octylphthalate
ug/kg
1670
1400
84
57-130
Dibenz(a,h)anthracene
ug/kg
1670
1380
83
60-130
Dibenzofuran
ug/kg
1670
1210
73
54-130
Diethylphthalate
ug/kg
1670
1290
77
55-130
Dimethylphthalate
ug/kg
1670
1280
76
57-130
Fluoranthene
ug/kg
1670
1210
72
57-130
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC. Page 61 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: PLI TOXICITY
Pace Project No.: 92550467
LABORATORY CONTROL SAMPLE:
3333524
Spike
LCS
LCS
% Rec
Parameter
Units
Conc.
Result
% Rec
Limits
Qualifiers
Fluorene
ug/kg
1670
1180
71
56-130
Hexachloro-1,3-butadiene
ug/kg
1670
1290
77
41-130
Hexachlorobenzene
ug/kg
1670
1330
80
53-130
Hexachlorocyclopentadiene
ug/kg
1670
797
48
23-130
Hexachloroethane
ug/kg
1670
1220
73
48-130
Indeno(1,2,3-cd)pyrene
ug/kg
1670
1420
85
61-130
Isophorone
ug/kg
1670
1270
76
49-130
N-Nitroso-di-n-propylamine
ug/kg
1670
1200
72
52-130
N-Nitrosodimethylamine
ug/kg
1670
1380
83
45-130
N-Nitrosodiphenylamine
ug/kg
1670
1320
79
56-130
Naphthalene
ug/kg
1670
1220
73
56-130
Nitrobenzene
ug/kg
1670
1250
75
50-130
Pentachlorophenol
ug/kg
3340
2640
79
33-130
Phenanthrene
ug/kg
1670
1230
74
60-130
Phenol
ug/kg
1670
1380
83
54-130
Pyrene
ug/kg
1670
1260
75
61-130
Pyridine
ug/kg
1670
1080
65
35-130
2,4,6-Tribromophenol (S)
%
98
18-130
2-Fluorobiphenyl (S)
%
79
19-130
2-Fluorophenol (S)
%
83
18-130
Nitrobenzene-d5 (S)
%
81
21-130
Phenol-d6 (S)
%
82
18-130
Terphenyl-d14 (S)
%
85
15-130
MATRIX SPIKE SAMPLE:
3333526
92550055002
Spike
MS
MS
% Rec
Parameter
Units
Result
Conc.
Result
% Rec
Limits Qualifiers
1,2,4-Trichlorobenzene
ug/kg
ND
2220
1170
53
22-130
1,2-Dichlorobenzene
ug/kg
ND
2220
1190
54
23-130
1,3-Dichlorobenzene
ug/kg
ND
2220
1220
55
26-130
1,4-Dichlorobenzene
ug/kg
ND
2220
1250
56
27-130
1-Methylnaphthalene
ug/kg
ND
2220
1150
52
30-130
2,2'-Oxybis(1-chloropropane)
ug/kg
ND
2220
1230
55
30-130
2,4,5-Trichlorophenol
ug/kg
ND
2220
1440
65
26-130
2,4,6-Trichlorophenol
ug/kg
ND
2220
1430
64
23-130
2,4-Dichlorophenol
ug/kg
ND
2220
1390
63
29-130
2,4-Dimethylphenol
ug/kg
ND
2220
1510
68
13-130
2,4-Dinitrophenol
ug/kg
ND
11100
5470
49
10-131 v1
2,4-Dinitrotoluene
ug/kg
ND
2220
1270
57
28-130
2,6-Dinitrotoluene
ug/kg
ND
2220
1370
61
36-130
2-Chloronaphthalene
ug/kg
ND
2220
1180
53
27-130
2-Chlorophenol
ug/kg
ND
2220
1500
68
29-130
2-Methylnaphthalene
ug/kg
ND
2220
1170
52
29-130
2-Methylphenol(o-Cresol)
ug/kg
ND
2220
1510
68
20-130
2-Nitroaniline
ug/kg
ND
4450
2690
60
29-130
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC. Page 62 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: PLI TOXICITY
Pace Project No.: 92550467
MATRIX SPIKE SAMPLE:
3333526
92550055002
Spike
MS
MS
% Rec
Parameter
Units
Result
Conc.
Result
% Rec
Limits Qualifiers
2-Nitrophenol
ug/kg
ND
2220
1580
71
26-130
3&4-Methyl phenol (m&p Cresol)
ug/kg
ND
2220
1390
63
10-176
3,3'-Dichlorobenzidine
ug/kg
ND
4450
2470
56
15-130IL
3-Nitroaniline
ug/kg
ND
4450
2530
57
28-130IL
4,6-Dinitro-2-methyl phenol
ug/kg
ND
4450
2510
56
15-132 v1
4-Bromophenylphenyl ether
ug/kg
ND
2220
1240
56
35-130
4-Chloro-3-methylphenol
ug/kg
ND
4450
2840
64
30-130
4-Chloroaniline
ug/kg
ND
4450
2560
58
28-130
4-Chlorophenylphenyl ether
ug/kg
ND
2220
1110
50
32-130
4-Nitroaniline
ug/kg
ND
4450
2450
55
30-130
4-Nitrophenol
ug/kg
ND
11100
7090
64
17-130
Acenaphthene
ug/kg
ND
2220
1160
52
29-130
Acenaphthylene
ug/kg
ND
2220
1190
54
31-130
Aniline
ug/kg
ND
2220
1380
62
10-130
Anthracene
ug/kg
ND
2220
1080
48
33-130
Benzo(a)anthracene
ug/kg
ND
2220
1150
52
32-130
Benzo(a)pyrene
ug/kg
ND
2220
1180
53
32-130
Benzo(b)fluoranthene
ug/kg
ND
2220
1150
52
33-130
Benzo(g,h,i)perylene
ug/kg
ND
2220
1230
55
28-130
Benzo(k)fluoranthene
ug/kg
ND
2220
1150
52
31-130
Benzoic Acid
ug/kg
ND
11100
6400
58
10-130
Benzyl alcohol
ug/kg
ND
4450
2830
64
31-130
bis(2-Chloroethoxy)methane
ug/kg
ND
2220
1470
66
30-130
bis(2-Chloroethyl) ether
ug/kg
ND
2220
1680
76
68-130
bis(2-Ethylhexyl)phthalate
ug/kg
ND
2220
1120
50
40-130
Butylbenzylphthalate
ug/kg
ND
2220
1210
54
40-130
Chrysene
ug/kg
ND
2220
1120
51
30-130
Di-n-butylphthalate
ug/kg
ND
2220
1150
52
41-130
Di-n-octylphthalate
ug/kg
ND
2220
1280
58
42-130
Dibenz(a,h)anthracene
ug/kg
ND
2220
1240
56
27-130
Dibenzofuran
ug/kg
ND
2220
1120
51
32-130
Diethylphthalate
ug/kg
ND
2220
1250
56
40-130
Dimethylphthalate
ug/kg
ND
2220
1390
63
37-130
Fluoranthene
ug/kg
ND
2220
1060
48
26-130
Fluorene
ug/kg
ND
2220
1070
48
31-130
Hexachloro-1,3-butadiene
ug/kg
ND
2220
1180
53
20-130
Hexachlorobenzene
ug/kg
ND
2220
1210
54
29-130
Hexachlorocyclopentadiene
ug/kg
ND
2220
689
31
10-130
Hexachloroethane
ug/kg
ND
2220
1180
53
21-130
Indeno(1,2,3-cd)pyrene
ug/kg
ND
2220
1250
56
28-130
Isophorone
ug/kg
ND
2220
1430
64
32-130
N-Nitroso-di-n-propylamine
ug/kg
ND
2220
1360
61
31-130
N-Nitrosodimethylamine
ug/kg
ND
2220
1620
73
20-130
N-Nitrosodiphenylamine
ug/kg
ND
2220
1280
58
32-130
Naphthalene
ug/kg
ND
2220
1210
55
30-130
Nitrobenzene
ug/kg
ND
2220
1420
64
25-130
Pentachlorophenol
ug/kg
ND
4450
2600
58
10-130
Results presented on this
page are in the units indicated
by the "Units" column except where
an alternate unit is
presented to the right
of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC. Page 63 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: PLI TOXICITY
Pace Project No.: 92550467
MATRIX SPIKE SAMPLE:
Parameter
3333526
Units
92550055002
Result
Spike
Conc.
MS
Result
MS
% Rec
% Rec
Limits Qualifiers
Phenanthrene
ug/kg
ND
2220
1110
50
34-130
Phenol
ug/kg
ND
2220
1620
73
14-130
Pyrene
ug/kg
ND
2220
1130
51
31-130
Pyridine
ug/kg
ND
2220
1060
48
10-130
2,4,6-Tribromophenol (S)
%
57
18-130
2-Fluorobiphenyl (S)
%
42
19-130
2-Fluorophenol (S)
%
60
18-130
Nitrobenzene-d5 (S)
%
58
21-130
Phenol-d6 (S)
%
58
18-130
Terphenyl-d14 (S)
%
38
15-130
SAMPLE DUPLICATE: 3335093
Parameter
Units
92550055001
Result
Dup
Result RPD
Max
RPD Qualifiers
1,2,4-Trichlorobenzene
ug/kg
ND
ND
30
1,2-Dichlorobenzene
ug/kg
ND
ND
30
1,3-Dichlorobenzene
ug/kg
ND
ND
30
1,4-Dichlorobenzene
ug/kg
ND
ND
30
1-Methylnaphthalene
ug/kg
ND
ND
30
2,2'-Oxybis(1-chloropropane)
ug/kg
ND
ND
30
2,4,5-Trichlorophenol
ug/kg
ND
ND
30
2,4,6-Trichlorophenol
ug/kg
ND
ND
30
2,4-Dichlorophenol
ug/kg
ND
ND
30
2,4-Dimethylphenol
ug/kg
ND
ND
30
2,4-Dinitrophenol
ug/kg
ND
ND
30 v1
2,4-Dinitrotoluene
ug/kg
ND
ND
30
2,6-Dinitrotoluene
ug/kg
ND
ND
30
2-Chloronaphthalene
ug/kg
ND
ND
30
2-Chlorophenol
ug/kg
ND
ND
30
2-Methylnaphthalene
ug/kg
ND
ND
30
2-Methylphenol(o-Cresol)
ug/kg
ND
ND
30
2-Nitroaniline
ug/kg
ND
ND
30
2-Nitrophenol
ug/kg
ND
ND
30
3&4-Methyl phenol (m&p Cresol)
ug/kg
ND
ND
30
3,3'-Dichlorobenzidine
ug/kg
ND
ND
30 IL
3-Nitroaniline
ug/kg
ND
ND
30 IL
4,6-Dinitro-2-methyl phenol
ug/kg
ND
ND
30 v1
4-Bromophenylphenyl ether
ug/kg
ND
ND
30
4-ChIoro-3-methyl phenol
ug/kg
ND
ND
30
4-Chloroaniline
ug/kg
ND
ND
30
4-Chlorophenylphenyl ether
ug/kg
ND
ND
30
4-Nitroaniline
ug/kg
ND
ND
30
4-Nitrophenol
ug/kg
ND
ND
30
Acenaphthene
ug/kg
ND
ND
30
Acenaphthylene
ug/kg
ND
ND
30
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC.
Page 64 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Project: PLI TOXICITY
Pace Project No.: 92550467
SAMPLE DUPLICATE: 3335093
Parameter
Aniline
Anthracene
Benzo(a)anthracene
Benzo(a)pyrene
Benzo(b)fluoranthene
Benzo(g,h,i)perylene
Benzo(k)fluoranthene
Benzoic Acid
Benzyl alcohol
bis(2-Chloroethoxy)methane
bis(2-Chloroethyl) ether
bis(2-Ethylhexyl)phthalate
Butylbenzylphthalate
Chrysene
Di-n-butylphthalate
Di-n-octylphthalate
Dibenz(a,h)anthracene
Dibenzofuran
Diethylphthalate
Dimethylphthalate
Fluoranthene
Fluorene
Hexachloro-1,3-butadiene
Hexachlorobenzene
Hexachlorocyclopentadiene
Hexachloroethane
Indeno(1,2,3-cd)pyrene
Isophorone
N-Nitroso-di-n-propylamine
N-Nitrosodimethylamine
N-Nitrosodiphenylamine
Naphthalene
Nitrobenzene
Pentachlorophenol
Phenanthrene
Phenol
Pyrene
Pyridine
2,4,6-Tribromophenol (S)
2-Fluorobiphenyl (S)
2-Fluorophenol(S)
Nitrobenzene-d5 (S)
Phenol-d6 (S)
Terphenyl-d14 (S)
QUALITY CONTROL DATA
Units
92550055001 Dup
Result Result
ug/kg
ND
ug/kg
ND
ug/kg
ND
ug/kg
ND
ug/kg
ND
ug/kg
ND
ug/kg
ND
ug/kg
ND
ug/kg
ND
ug/kg
ND
ug/kg
ND
ug/kg
ND
ug/kg
ND
ug/kg
ND
ug/kg
ND
ug/kg
ND
ug/kg
ND
ug/kg
ND
ug/kg
ND
ug/kg
ND
ug/kg
ND
ug/kg
ND
ug/kg
ND
ug/kg
ND
ug/kg
ND
ug/kg
ND
ug/kg
ND
ug/kg
ND
ug/kg
ND
ug/kg
ND
ug/kg
ND
ug/kg
ND
ug/kg
ND
ug/kg
ND
ug/kg
ND
ug/kg
ND
ug/kg
ND
ug/kg
ND
%
65
%
52
%
64
63
63
33
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
76
62
69
67
68
62
Max
RPD RPD
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
Qualifiers
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC.
Page 65 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: PLI TOXICITY
Pace Project No.: 92550467
QC Batch: 635524 Analysis Method: EPA 8270E
QC Batch Method: EPA 3510C Analysis Description: 8270E TCLP MSSV
Laboratory: Pace Analytical Services - Charlotte
Associated Lab Samples: 92550467001
METHOD BLANK: 3334436
Associated Lab Samples: 92550467001
Parameter
Units
Matrix:
Blank
Result
Water
Reporting
Limit
MDL
Analyzed
1,4-Dichlorobenzene
ug/L
ND
50.0
2.1
07/23/21 14:53
2,4,5-Trichlorophenol
ug/L
ND
50.0
1.4
07/23/21 14:53
2,4,6-Trichlorophenol
ug/L
ND
50.0
1.5
07/23/21 14:53
2,4-Dinitrotoluene
ug/L
ND
50.0
1.2
07/23/21 14:53
2-Methylphenol(o-Cresol)
ug/L
ND
50.0
1.2
07/23/21 14:53
3&4-Methyl phenol (m&p Cresol)
ug/L
ND
50.0
1.2
07/23/21 14:53
Hexachloro-1,3-butadiene
ug/L
ND
50.0
2.0
07/23/21 14:53
Hexachlorobenzene
ug/L
ND
50.0
1.7
07/23/21 14:53
Hexachloroethane
ug/L
ND
50.0
2.0
07/23/21 14:53
Nitrobenzene
ug/L
ND
50.0
2.1
07/23/21 14:53
Pentachlorophenol
ug/L
ND
100
2.2
07/23/21 14:53
Pyridine
ug/L
ND
50.0
3.4
07/23/21 14:53
2,4,6-Tribromophenol (S)
%
25
10-144
07/23/21 14:53
2-Fluorobiphenyl (S)
%
83
10-130
07/23/21 14:53
2-Fluorophenol (S)
%
36
10-130
07/23/21 14:53
Nitrobenzene-d5 (S)
%
97
10-144
07/23/21 14:53
Phenol-d6 (S)
%
45
10-130
07/23/21 14:53
Terphenyl-d14 (S)
%
125
34-163
07/23/21 14:53
LABORATORY CONTROL SAMPLE: 3337132
Qualifiers
Spike
LCS
LCS
% Rec
Parameter
Units
Conc.
Result
% Rec
Limits Qualifiers
1,4-Dichlorobenzene
ug/L
500
215
43
18-130
2,4,5-Trichlorophenol
ug/L
500
444
89
35-130
2,4,6-Trichlorophenol
ug/L
500
387
77
31-130
2,4-Dinitrotoluene
ug/L
500
394
79
37-136
2-Methylphenol(o-Cresol)
ug/L
500
359
72
35-130
3&4-Methyl phenol (m&p Cresol)
ug/L
500
344
69
34-130
Hexachloro-1,3-butadiene
ug/L
500
200
40
11-130
Hexachlorobenzene
ug/L
500
463
93
38-130
Hexachloroethane
ug/L
500
197
39
14-130
Nitrobenzene
ug/L
500
369
74
36-130
Pentachlorophenol
ug/L
1000
1240
124
23-149
Pyridine
ug/L
500
287
57
10-130
2,4,6-Tribromophenol (S)
%
93
10-144
2-Fluorobiphenyl (S)
%
67
10-130
2-Fluorophenol(S)
%
58
10-130
Nitrobenzene-d5 (S)
%
80
10-144
Phenol-d6 (S)
%
46
10-130
Results presented on this
page are in the units
indicated by the "Units"
column except
where an alternate unit
is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC.
Page 66 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: PLI TOXICITY
Pace Project No.: 92550467
LABORATORY CONTROL SAMPLE:
3337132
Spike
LCS
LCS
% Rec
Parameter
Units
Conc.
Result
% Rec
Limits
Qualifiers
Terphenyl-d14 (S)
%
121
34-163
MATRIX SPIKE & MATRIX SPIKE
DUPLICATE:
3337133
3337134
MS
MSD
92550467001
Spike
Spike
MS
MSD
MS
MSD
% Rec
Max
Parameter
Units
Result
Conc.
Conc.
Result
Result
% Rec
% Rec
Limits
RPD
RPD Qual
1,4-Dichlorobenzene
ug/L
ND
500
500
221
317
44
63
10-130
36
30 R1
2,4,5-Trichlorophenol
ug/L
ND
500
500
396
571
79
114
10-143
36
30 R1
2,4,6-Trichlorophenol
ug/L
ND
500
500
298
523
60
105
10-147
55
30 R1
2,4-Dinitrotoluene
ug/L
ND
500
500
477
497
95
99
29-148
4
30
2-Methyl phenol(o-Cresol)
ug/L
ND
500
500
458
483
92
97
20-130
5
30
3&4-Methylphenol(m&p
ug/L
ND
500
500
439
465
88
93
16-130
6
30
Cresol)
Hexachloro-1,3-butadiene
ug/L
ND
500
500
183
285
37
57
10-130
43
30 R1
Hexachlorobenzene
ug/L
ND
500
500
483
519
97
104
29-130
7
30
Hexachloroethane
ug/L
ND
500
500
186
301
37
60
10-130
48
30 R1
Nitrobenzene
ug/L
ND
500
500
466
495
93
99
25-130
6
30
Pentachlorophenol
ug/L
ND
1000
1000
567
1300
57
130
10-175
79
30 R1
Pyridine
ug/L
ND
500
500
380
324
76
65
10-130
16
30
2,4,6-Tribromophenol (S)
%
78
126
10-144
2-Fluorobiphenyl (S)
%
85
86
10-130
2-Fluorophenol (S)
%
56
75
10-130
Nitrobenzene-d5 (S)
%
100
101
10-144
Phenol-d6 (S)
%
54
59
10-130
Terphenyl-d14 (S)
%
112
117
34-163
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC.
Page 67 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: PLI TOXICITY
Pace Project No.: 92550467
QC Batch: 635077 Analysis Method: SW-846
QC Batch Method: SW-846 Analysis Description: Dry Weight/Percent Moisture
Laboratory: Pace Analytical Services - Charlotte
Associated Lab Samples: 92550467001
SAMPLE DUPLICATE: 3334904
Parameter
Percent Moisture
SAMPLE DUPLICATE: 3334905
Parameter
Percent Moisture
92550617001 Dup
Units Result Result
ND 0.10
92550958001 Dup
Units Result Result
% 42.9 44.0
Max
RPD RPD Qualifiers
25 N2
Max
RPD RPD Qualifiers
3 25 N2
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC. Page 68 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: PLI TOXICITY
Pace Project No.: 92550467
QC Batch: 717106 Analysis Method: EPA 9056
QC Batch Method: EPA 5050 Analysis Description: EPA 9056A IC Anions Solid
Laboratory: Pace Analytical Gulf Coast
Associated Lab Samples: 92550467001
METHOD BLANK: 2218483
Matrix:
Solid
Associated Lab Samples: 92550467001
Blank
Reporting
Parameter
Units
Result
Limit
MDL Analyzed Qualifiers
Fluoride
mg/kg
ND
0.999
0.500 07/27/2118:27
LABORATORY CONTROL SAMPLE:
2218484
Spike
LCS
LCS % Rec
Parameter
Units
Conc.
Result
% Rec Limits Qualifiers
Fluoride
mg/kg
23.8
23.1
97 80-120
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC. Page 69 of 75

Pace Analytical Services, LLC
lac,
Analyilcal ® 9800 Kincey Ave. Suite 100
Huntersville, NC 28078
www.pacelabs.com [phone]
QUALIFIERS
Project: PLI TOXICITY
Pace Project No.: 92550467
DEFINITIONS
DF - Dilution Factor, if reported, represents the factor applied to the reported data due to dilution of the sample aliquot.
ND - Not Detected at or above adjusted reporting limit.
TNTC - Too Numerous To Count
J - Estimated concentration above the adjusted method detection limit and below the adjusted reporting limit.
MDL -Adjusted Method Detection Limit.
PQL - Practical Quantitation Limit.
RL - Reporting Limit - The lowest concentration value that meets project requirements for quantitative data with known precision and
bias for a specific analyte in a specific matrix.
S - Surrogate
1,2-Diphenylhydrazine decomposes to and cannot be separated from Azobenzene using Method 8270. The result for each analyte is
a combined concentration.
Consistent with EPA guidelines, unrounded data are displayed and have been used to calculate % recovery and RPD values.
LCS(D) - Laboratory Control Sample (Duplicate)
MS(D) - Matrix Spike (Duplicate)
DUP - Sample Duplicate
RPD - Relative Percent Difference
NC - Not Calculable.
SG - Silica Gel - Clean -Up
U - Indicates the compound was analyzed for, but not detected.
Acid preservation may not be appropriate for 2 Chloroethylvinyl ether.
A separate vial preserved to a pH of 4-5 is recommended in SW846 Chapter 4 for the analysis of Acrolein and Acrylonitrile by EPA
Method 8260.
N-Nitrosodiphenylamine decomposes and cannot be separated from Diphenylamine using Method 8270. The result reported for
each analyte is a combined concentration.
Pace Analytical is TNI accredited. Contact your Pace PM for the current list of accredited analytes.
TNI -The NELAC Institute.
WORKORDER QUALIFIERS
WO: 92550467
[1] In the EPA 9056A analysis, sample 22107211101 (MO-1) was analyzed one day outside holding time. The sample was
originally analyzed within in holding time at at a 5X dilution but required re -analysis at 1X. Both runs were non -detect for
Fluoride.
SAMPLE QUALIFIERS
Sample: 92550467002
[1] This sample is the same sample as 92550467-001
analyzed.
BATCH QUALIFIERS
The sample was leached via method 1311, and that leachate was
Batch: 636879
[M5] A matrix spike/matrix spike duplicate was not performed for this batch due to insufficient sample volume.
ANALYTE QUALIFIERS
B Analyte was detected in the associated method blank.
BC The same analyte was detected in an associated blank at a concentration above 1/2 the reporting limit but below the
laboratory reporting limit.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC. Page 70 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALIFIERS
Project: PLI TOXICITY
Pace Project No.: 92550467
ANALYTE QUALIFIERS
D3 Sample was diluted due to the presence of high levels of non -target analytes or other matrix interference.
H2 Extraction or preparation conducted outside EPA method holding time.
H3 Sample was received or analysis requested beyond the recognized method holding time.
IH This analyte exceeded secondary source verification criteria high for the initial calibration. The reported results should be
considered an estimated value.
IK The recalculated concentration of the calibration standard(s) did not meet method acceptance criteria; this result should
be considered an estimated value.
IL This analyte exceeded secondary source verification criteria low for the initial calibration. The reported results should be
considered an estimated value.
L2 Analyte recovery in the laboratory control sample (LCS) was below QC limits. Results for this analyte in associated
samples may be biased low.
M1 Matrix spike recovery exceeded QC limits. Batch accepted based on laboratory control sample (LCS) recovery.
M5 A matrix spike/matrix spike duplicate was not performed for this batch due to insufficient sample volume.
N2 The lab does not hold NELAC/TNI accreditation for this parameter but other accreditations/certifications may apply. A
complete list of accreditations/certifications is available upon request.
P8 Analyte was detected in the method blank. All associated samples had concentrations of at least ten times greater than
the blank or were below the reporting limit.
R1 RPD value was outside control limits.
S5 Surrogate recovery outside control limits due to matrix interferences (not confirmed by re -analysis).
v1 The continuing calibration verification was above the method acceptance limit. Any detection for the analyte in the
associated samples may have a high bias.
v2 The continuing calibration verification was below the method acceptance limit. The analyte was not detected in the
associated samples and the sensitivity of the instrument was verified with a reporting limit check standard.
v3 The continuing calibration verification was below the method acceptance limit. Any detection for the analyte in the
associated samples may have low bias.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC. Page 71 of 75

leAnalyiical
www.pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA CROSS REFERENCE TABLE
Project:
Pace Project No.:
PLI TOXICITY
92550467
Analytical
Lab ID
Sample ID
QC Batch Method
QC Batch
Analytical Method
Batch
92550467001
MO-1
EPA 3546
635304
EPA 8081B
635499
92550467001
MO-1
EPA 3510C
635527
EPA 8081 B
635831
92550467001
MO-1
EPA 3546
634980
EPA 8082A
635173
92550467001
MO-1
EPA 3510C
635529
EPA 8082A
635832
92550467001
MO-1
EPA 3050B
634946
EPA 6010D
635103
92550467001
MO-1
EPA 3010A
635416
EPA 6010D
635430
92550467002
MO-1
EPA 3010A
636871
EPA 6020B
636879
92550467001
MO-1
EPA 7470A
635420
EPA 7470A
635555
92550467001
MO-1
EPA 7471 B
635220
EPA 7471 B
635266
92550467001
MO-1
EPA 3546
634798
EPA 8270E
634905
92550467001
MO-1
EPA 3510C
635524
EPA 8270E
635585
92550467001
MO-1
EPA 5035A/5030B
634811
EPA 8260D
634832
92550467001
MO-1
EPA 8260D
635829
92550467001
MO-1
SW-846
635077
92550467001
MO-1
EPA 5050
717106
EPA 9056
717319
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 07/30/2021 01:52 PM without the written consent of Pace Analytical Services, LLC.
Page 72 of 75

Document Name:
Document Revised: October 28, 2020
27Cetnafytica���Document
Sample Condition Upon Receipt(SLUR)
Page 1 of 2
No.:
Issuing Authority:
F-CAR-CS-033-Rev,07
Pace Carolinas quality Office
Laboratory receiving samples:
Asheville ❑ Eden❑ Greenwood ❑ Huntersvilleo Raleigh❑ Mechanicsville[] Atlanta❑ Kernersville❑
Client Name:
Commercial I .!Pace
Project #. WO#:92550467
f jr��
HIPS �It15PG n�l_p� lI1111II 11111 IN 11111
❑Other: 92550467
r
Custody Seal Present? Dyes ❑Na Seals Intact? ❑Yes ❑No
Date/dnit! aIr4erson-Examinin"ontent
C./
Packing Material: Bubble Wrap [:]Bubble Bags ❑None ❑ Other Biological Tissue Frozen?
Thermometer: / ❑Yes [-]No ❑N/A
❑ IR Gun ID: 92T064 Type of ice: Wet ❑Blue ❑None
' . Correction Factor:
Cooler Temp: Add/Subtract (°C)
Cooler Temp Corrected (TI:
USDA Regulated Soil (❑ N/A, water sample)
Did samples originate in a quarantine zone within the United States: CA, NY, or SC (check maps)?
IlYes ri/ Na
Temp should be above freezing to VC
❑Samples out of temp criteria, samples on ice, cooling process
has begun
Did samples originate from a foreign source (internationally,
includine Hawaii and Puerto Ricol? F-lYes 1-1No
Comments/Discrepancy:
Chain of Custody Present?
❑Te5
❑No
❑N/A
1.
Samples Arrived within Hold Time?
bes
❑No
❑N/A
2.
Short Hold Time Analysis (<72 hr.)?
❑Yes
.]No
❑N/A
3.
Rush Turn Around Time Requested?
❑Yes
- No
❑N/A
4.
Sufficient Volume?
es
❑No
❑NIA
5.
Correct Containers Used?
-Pace Containers Used?
[Z(Y es
, Yes
[]No
Na
(]N/A
UNIA
b.
Containers Intact?
l
0yes
❑No
I-] N/A
7.
Dissolved analysis: Samples Field Filtered?
❑Yes
❑No
O N/A
S.
Sample Labels Match COC?
-Includes Date/Time/ID/Analysis Matrix:
❑yes
- L--
[]No
[]N/A
9.
Headspace in VOA Vials (>5-5mm)?
[]Yes
No
N/A
10.
Trip Blank Present?
Trip Blank Custody Seals Present?
❑Yes
❑Yes
❑Na
❑No
❑N/A
N/A
11.
COMMENTS/SAMPLE DISCREPANCY
CLIENT NOTIFICATION/RESOLUTION
Person contacted:
Project Manager SCURF Review:
Date/Time:
Lot ID of split containers:
Date:
Field Data Required? ❑Yes [:]No
Project Manager SRF Review: Date:
Page 73 of 75

Document {Dame:
Document Revised: October 28, 2020
x
� ace I 1Ga
Sample Condition Upon Receipt(SCUR)_
Page 2 of 2
Document No.:
Issuing Authority:
F-CAR-CS-033-Rev.07
Pace Carolinas Quality Office
*Check mark top half of box if pH and/or dechlorination is
verified and within the acceptance range for preservation
samples.
Exceptions: VOA, Coliform, TOC, Oil and Grease, DRO/801S (water) DOC, LLH8
**Bottom..half_af_box-is _to_list_number_of_bottles—_._..__..
Project# f WO# : 92550467
PM : ATi`
CLIENT: 92-HDR
Due Date: 07/26/21
u
w
ai
D
4
z
z
Tim
z
a
U
cc
z
iv
a
a
¢
z
z
Z
n
ro
N
��...,a
v
Z
u
?
:....�
a
a
a
2
0
a
m
i
n
i'
N
a
2
a
T
z
=
z
¢
z
z
d
a
z
`D
+°i
S
A
w
v
x
a
y
n
a
v
D
y
m
z
m
ra
N
y
�
v
a
n
a
¢��i
O
^'
2
?
O
`n
CL
z
n
j
o
c
>
>
>
c
2
z
N
2
a
=
s
J
�..J
n
a
a
}
r+,
M
a
a
-
7
J
V
L
N
V
ro
«
m
V
ro
IJ
L
a
29E
N
c
¢m
a
m
E
c
C
CV
OOOQLM
y
Vl
Q
..J
E
J
F
J
E
�,
£
E
£
E
m
=
v
_
E
a`,
E
E
J
E
E
E
_
m
�
ro
E
J
E
V
v
E
E
J
E
F
N
Lon
S
=
`^
�i
N
A
Ln
N
..
re
�
N
=
�
N
E7
a
o
V
'T
o
a
"Ni
}
u,
o
'
o
N
o
N
.+
r�-1
2
,N,�
u
.�
1
Jt
~U
0
a
z
`i
a
x
sc
ruts
>
>
W
a
a
a
a
n
a
a
a
$
C7
t7
lM7
CM7
SM9
U�'
l9
t�7
4�7
O
a
a
P
f'. +'
a
I�7
L0
n
In
_
m
CM
to
in
to
m
m
a
a
a
a
a
a
C
7
a
s
v,
v�
m
1
N
NN\
\NN
4
5
6
\\NN
\\N\
8
\�
N\N
LN
N\\N
N
t\
\\\�s
N
kJ7,\NN--:�,—�L�,
pH Adjustment Log for Preserved
Samples
Sample ID
Type of Preservative
pH upon receipt
Date preservation adjusted
Time preservation
adjusted
Amount of Preservative
added
Lot$0
Note: Whenever there is a discrepancy affecting North Carolina compliance samples, a copy of this form will be sent to the North Carolina dEHNR Certification Office (i.e.
Out of hold, incorrect preservative, out of temp, incorrect containers.
Page 74 of 75

m
_
c
N
• ---_ n m v n
n _'
v - m o D 3 c
n a
D m
nn 3
C
C
O 3
D 6 p n v m n_
T V�
3 C C- C 0 m N
K °
O
f~0
'N
N
T
^
Ti m
r n a C7 D. 4 {` '
q
=
t
a
�mcr
° N m
3
v Q z
�••�
'yam
n
<
r 3 F rn z
f n
4
R
m
w
cr
c c A c
N T
�
`
�uu m m
Yt n
�
3
o=
\
« m a a
_.
y
D
�
m
ov
n
w ,—, T A
m
m o
N
3 m M
a w
fG
IG
fG
K K z N --
r.
N
y
on
.x-r
Ni m
;
W N e n
m
Ip
?� m
d O H d A
n
g
1 S 3
K lC/1
= D
.0
m 3
vo
l
3
n
5�
m w c
r D
°
r`
N
y m
N `� w C6
a c
=
a
n n .�
q
m
cr
A
N
p
�{
J
K
3
m
m
m
'0 n �? Co Cv D
_
° 1
c
e
m N
m ti m �+
-c
tA
il
p A m n v 3
.. 0 m
p n 14
o
o
c
D
3
w
zO_
m _ vm_=_nw
MC,D-
q D
K
oo
nh
cm
w
n o � '� m
m o C
a
3
Container Type: plastic (PI or Glass (GE
a
n m `
JDL`i
3 r3o 'm
S a m
r W
I
0
m
6 C)
a
m
°
A
�V
n
rn
f6
10 i9
X ti
x. s
4
17 2-j
Ka K
Q: ��°
n
3
m
'c
r°,
<n
°
��PS�'iGl�
o
3;
T.
C
��
M
a
a
z
2
p
f4� {i�B�JfsO�i y
Y"LGl1G Plr (ilR- [t
io
um+
D
m
••
A
N
TGc.i vnC� SO4
c m a
2
N
s
m
r
C C
v
W 3 ; 3
m
n
��( C.b
C=
�
""I o
`�'
° v
c
m
ro'
1�'l�S
rt o
m
n.
Z 3 ro
m 3
rWv
j
nc, A-c c- o- 7,p
C7ca
}m
0 F; =
r w_ a
Z
T a
7
m
iD
?
a m
z
Y
m
S
<
rrrmN
p P
¢m,
m
a:v M4::xr wyeooa cc�
n' m w oY
R
Q
D ° _
n n C1 H '-7
6 0 C 0 7- m
Gl C Y N W ram+ CL [ N P. m Fes+ Ip P O CA
O
O
0
Z
D
O O O
m 3 W
or N Y A. rs m n C M m 0.0 m n SZ R w
3 p7 n m F-• N• v f0 m T 10 V r 0 ff `C K 3?
a 0
D
A
-1
n
3t rnroi„
n n n
ma
3
a m y%ro>- rxm to o a
ro r*mw ...m we w �v= mi-+n rnmf-�
m z w n n a R m n o 3 m m3
-
.^.
y
m
m
m 0
=
rt
�-.r
t rrro 9 � w vrn nrr c�W 0 3:
a
in 7
�`
n v
N r .• .-
••
a= m
s .c m m n r- x r+ 'U sa C r. w r- = r- b m
•• m n O O m w
m
D7
O
r W
n H H
•• .�
[n 7 m M O. n C F- m r* 7 [* n
4
d °x
C
3
n m 3
xf
r+ 0 t w R m m c w m c ro m
n r. rr q vi R 3 rr is n w
3
a
N
x
tJ1 D
m A
ro
o N- m m n o t m m m ro
'4 cr Q N- n O *� N m rt
p :0
m
OS 0
m o Q
N
C
a
r+
z Z
• •
D
S
-a m
v
a n=
n
m m
m e
R
n w n n n m m
m m
c
a
f Pq
v a B
c o
m rt n
�;
m
n Z
O R
K K K K K C K K K{ K K K
y
•-
� z zzzzzzzzzzz
Y Y b Y Y b b Y a a v> 7
[nilo�0
n
5

Piedmont Lithium I Technical Memorandum — Toxicity Testing
Attachment 2 — Technical Memorandu
Attachment 2 — Technical
Memorandum — Water
Quality Testing, Piedmont
Lithium, March 19, 2020

Piedmont Lithium I Technical Memorandum — Toxicity Testing �1�
Attachment 2 — Technical Memorandu J
This page intentionally left blank.

n
u
Technical
Memorandum
Water Quality Testing
Piedmont Lithium
Gaston County, North Carolina
March 19, 2020

This page intentionally left blank.

Piedmont Lithium I Technical Memorandum — Water Quality Testing ���
Contents
Contents
1 Introduction............................................................................................................................1
2 Methods.................................................................................................................................1
2.1 Groundwater...................................................................................................................1
2.1.1 Groundwater Flow...................................................................................................3
2.1.2 Groundwater Sampling Procedures........................................................................3
2.2 Surface Water.................................................................................................................3
2.2.1 Flow Measurements................................................................................................3
2.2.2 Surface Water Quality.............................................................................................4
3 Water Quality.........................................................................................................................4
3.1 Groundwater...................................................................................................................4
3.2 Surface Water.................................................................................................................4
4 Conclusions...........................................................................................................................5
4.1 Groundwater...............................................................................................................5
4.2 Surface Water.............................................................................................................5
Figure
Figure 1 — Sample Location Map..................................................................................................2
Tables
Table 1 - Monitoring Well Construction Summary and Groundwater Elevation
Table 2 - Summary of Stream Flow Measurements
Table 3 - Summary of Groundwater Quality Data
Table 4 — Summary of Surface Water Quality Data

This page intentionally left blank.

Piedmont Lithium I Technical Memorandum — Water Quality Testing ���
Introduction
1 Introduction
HDR Engineering, Inc. of the Carolinas (HDR) has completed baseline groundwater and surface
water monitoring at the planned Piedmont Lithium, Inc. (PLI) mine site (Site) between August
2018 and February 2020. Subsequent to installation of monitoring and observation wells in
2018, HDR conducted 17 groundwater gauging events, 12 groundwater sampling events, 2
surface water flow monitoring events, and 12 surface water sampling events.
2 Methods
2.1 Groundwater
The groundwater monitoring network consists of five monitoring wells (MW-1 through MW-5),
one aquifer test pumping well (PW-1), and four aquifer test observation wells (OW-1 S, OW-1 D,
OW-2S, and OW-21D). Monitoring wells were installed in June and July 2018 to support monthly
monitoring of groundwater levels and to provide baseline groundwater quality data prior to
operation of the planned mine. The pumping and observation wells were installed in June and
July 2018 to facilitate a planned 72-hour aquifer test for evaluation of hydrogeologic properties
on the northeastern portion of the Site. Well construction details for the wells installed in 2018
are presented in Table 1 Well locations are shown on Figure 1.

LEGEND
o Pumping Well
Monitoring Well
9 Observation Well
9 Surface Water Collection Sites
o Stream Flow Measurements
IP Project Boundary (963 ac.)
© 0 Miles 0.25
•.1 :dl'
i
SAMPLE LOCATION MAP
P I E DAAO N T PIEDMONT LITHIUM
LITHIUM FIGURE 1
TECHNICAL MEMORANDUM: WATER QUALITY TESTING

Piedmont Lithium I Technical Memorandum — Water Quality Testing ���
Methods
2.1.1 Groundwater Flow
Seventeen groundwater level gauging events were conducted from July 2018 to February 2020.
Depth to water from the top of well casing was recorded using an electronic water level meter.
Depths to water have ranged from 2.15 feet below top of casing (BTOC) in PW-1 (June 2019) to
55.62 feet BTOC in MW-3 (July 2018). Historic groundwater elevations are shown in Table 1.
Based on the data, groundwater generally mimics topography and flows from southwest to
northeast across the Site.
2.1.2 Groundwater Sampling Procedures
Groundwater samples were collected by HDR during 12 sampling events between August 2018
and February 2020. Purging was conducted via low -flow methods and was considered complete
when the water table and field parameters had stabilized in accordance with the targets
specified below. Field measurements were obtained using a calibrated water quality meter.
• Turbidity (10% for values greater than 5 NTU (if three turbidity values are less than 5
NTU, the values are considered stabilized)
• DO (10% for values greater than 0.5 mg/L, if three DO values are less than 0.5 mg/L, the
values are considered stabilized)
• Specific conductance (3%)
• Temperature (3%)
• pH (± 0.1 unit)
• ORP (± 10 millivolts)
The water level meter and pump were decontaminated in the field with a distilled water rinse,
Alconox® wash, and a distilled water rinse, prior to and following sampling at each monitoring
well. Purge water was discharged to the ground surface adjacent to each well.
Samples were transferred under Chain of Custody (COC) procedures to Pace Analytical
Services, LLC (Pace) of Huntersville, North Carolina (NC Certification #37706) for analysis of
constituents, as specified in Section 3.1. Sample handling and custody were performed
according to the EPA Guidance for Field Samplers.
2.2 Surface Water
2.2.1 Flow Measurements
Two surface water flow measurement events occurred during May and June 2019 at 15
locations around the Site (Figure 1). Six flow measurements were taken on larger streams (FM-
1 through FM-6) and nine flow measurements were taken on smaller tributaries (Weir-1 through
Weir-9). Stream flow was measured using Swoffer Model 3000 Current Velocity Flowmeters in
the larger streams and the float method in the smaller tributaries. The Swoffer uses a propeller
driven rotor that produces electronic pulses that are directly proportional to flow velocity. Flow
measurements ranged from 24.15 cubic feet per second (cfs) in FM-1 to 0.065 cfs in Weir-1
(Table 2).

Piedmont Lithium I Technical Memorandum — Water Quality Testing ���
Water Quality
2.2.2 Surface Water Quality
HDR established seven surface water sampling locations (SITE-1 through SITE-7) along Beaver
Dam Creek and Little Beaver Dam Creek to evaluate surface water quality across the Site. Grab
samples were collected from each surface water sampling location monthly from February 2019
to January 2020. Prior to sample collection, field parameters (including temperature,
conductivity, pH, ORP, and DO) were measured with a water quality meter. Surface water
sampling locations are shown on Figure 1.
3 Water Quality
3.1 Groundwater
Groundwater samples were analyzed for the following suite of inorganic constituents:
• Metals using USEPA Method 6010D
• Alkalinity using Standard Method (SM) 2320B
• Total dissolved solids (TDS) using SM 2540C
• Total Kjeldahl nitrogen using USEPA Method 351.2
• Nitrate and nitrite using USEPA Method 353.2
• Total nitrogen (calculation)
• Chloride, fluoride, sulfate using USEPA Method 300.0
• Cyanide using SM 4500-CN
Following the initial August 2018 sampling event, the samples were analyzed for the RCRA 8
metals and the constituents listed above (Table 3). Concentrations of arsenic, chromium, lead,
manganese and fluoride that exceeded the North Carolina Department of Environmental Quality
(NCDEQ) groundwater quality standards (21- Standards) were reported in MW-2, MW-5, OW-
1 D, OW-2S, and PW-1. Additionally, pH field measurements were observed above and below
the 2L Standard range of 6.5-8.5 standard units (SU) in each of the wells during the monitoring
period. The pH was consistently above 8.5 SU in MW-1, MW-5 and PW-1. Note that the
presence of naturally occurring metals above 2L Standards is common in the Piedmont
Physiographic Provence of North Carolina and does not necessarily constitute groundwater
contamination.
3.2 Surface Water
Surface water samples collected were analyzed for the following:
• Metals using USEPA Method 6010D
• Alkalinity using Standard Method (SM) 2320B
• Total dissolved solids (TDS) using SM 2540C
• Total Kjeldahl nitrogen using USEPA Method 351.2
• Nitrate and nitrite using USEPA Method 353.2

Piedmont Lithium I Technical Memorandum — Water Quality Testing ���
Conclusions
• Total nitrogen (calculation)
• Chloride, fluoride, sulfate using USEPA Method 300.0
• Cyanide using SM 4500-CN
• Ammonia using USEPA Method 350.1
• Chlorophyll -A using SM 10200-H
• Total suspended solids using SM 2540D
• Phosphorus using USEPA Method 365.1
Six of the twelve surface water sampling events were collected during ambient conditions and
six were collected during non -ambient conditions. Non -ambient conditions are considered when
precipitation in the area is greater than 0.1 inch in the 72 hours prior to sampling. Precipitation
amounts were monitored using the Community Collaborative Rain, Hail, and Snow
(CoCoRaHS) Network. Samples collected were compared to the 15A NCAC 02B Standards and
no exceedances were observed during the sampling events. A summary of the surface water
quality data is presented in Table 4.
4 Conclusions
4.1 Groundwater
The results of monthly groundwater level gauging indicate typical seasonal fluctuations of water
levels across the Site. Further, groundwater elevations mimic topography, which is consistent
with the regolith-fractured crystalline rock aquifer system of the Piedmont Physiographic
Province of North Carolina.
Concentrations of naturally -occurring inorganic constituents were detected in each monitoring
well within the sampling network. The number of constituents detected and the magnitude of
concentrations detected in the samples collected from MW-5 exceeded observations in other
wells sampled and this condition is likely due to natural variability or other conditions (e.g.
anthropogenic source).
4.2 Surface Water
Surface water flow measurements were used to develop a 3-Dimensional flow model to
establish baseline flow across the Site prior to mine operations.
There were neither organic nor inorganic exceedances in the surface water samples collected
from Beaver Dam Creek and Little Beaver Dam Creek.

This page intentionally left blank.

Piedmont Lithium I Technical Memorandum — Water Quality Testing ���
Tables
Tables

This page intentionally left blank.

TABLE 1
SUMMARY OF MONITORING WELL CONSTRUCTION AND GROUNDWATER ELEVATION DATA
PIEDMONT LITHIUM, INC.
GASTON COUNTY, NORTH CAROLINA
Well ID
Northing
(feet)
Easting
(feet)
Well
Diameter
(inches)
Total Dpeth
(ft bgs)
Screened
Interval
(ft bgs)
Top of Casing
Elevation
(feet)
Date of Water Level
Measurement
DTW
(ft bTOC)
GW Elevation
(ft msl)
MW-1
605465.4409
1319945.982
6
110
Open Hole
Interval
(60-110)
762.49
7/16/2018
21.33
741.16
8/7/2018
19.73
742.76
10/4/2018
20.15
742.34
11/16/2018
17.56
744.93
12/21/2018
17.50
744.99
1/25/2019
18.11
744.38
2/27/2019
17.47
745.02
4/24/2019
18.02
744.47
6/24/2019
18.96
743.53
7/22/2019
19.45
743.04
8/20/2019
19.64
742.85
9/23/2019
20.04
742.45
10/28/2019
20.10
742.39
11/18/2019
20.11
742.38
12/17/2019
19.68
742.81
1/27/2020
19.35
743.14
2/25/2020
18.48
744.01
MW-2
605494.2222
1316921.051
6
110
Open Hole
Interval
(60-110)
864.12
7/16/2018
47.99
816.13
8/7/2018
47.88
816.24
10/4/2018
47.37
816.75
11/16/2018
47.02
817.10
12/21/2018
46.25
817.87
1/25/2019
45.29
818.83
2/27/2019
44.03
820.09
4/24/2019
41.85
822.27
6/24/2019
40.44
823.68
7/22/2019
40.19
823.93
8/20/2019
40.10
824.02
9/23/2019
42.03
822.09
10/28/2019
40.84
823.28
11/18/2019
41.01
823.11
12/17/2019
41.22
822.90
1/27/2020
41.30
822.82
2/25/2020
40.80
823.32
MW-3
603244.8572
1315463.542
6
170
Open Hole
Interval
(117-170)
840.39
7/16/2018
55.62
784.77
8/7/2018
55.13
785.26
10/4/2018
54.96
785.43
11/16/2018
54.30
786.09
12/21/2018
52.95
787.44
1/25/2019
51.02
789.37
2/27/2019
49.22
791.17
4/24/2019
46.70
793.69
6/24/2019
46.58
793.81
7/22/2019
47.16
793.23
8/20/2019
47.91
792.48
9/23/2019
48.69
791.70
10/28/2019
49.75
790.64
11/18/2019
50.09
790.30
12/17/2019
50.46
789.93
1/27/2020
50.41
789.98
2/25/2020
49.08
791.31
MW-4
601127.1718
1319231.618
6
153
Open Hole
Interval
(102-153)
884.97
7/16/2018
40.72
844.25
8/7/2018
40.46
844.51
10/4/2018
39.40
845.57
11/16/2018
38.05
846.92
12/21/2018
36.08
848.89
1/25/2019
34.59
850.38
2/27/2019
33.18
851.79
4/24/2019
32.39
852.58
6/24/2019
33.05
851.92
7/22/2019
33.65
851.32
8/20/2019
34.39
850.58
9/23/2019
35.07
849.90
10/28/2019
36.09
848.88
11/18/2019
36.44
848.53
12/17/2019
36.50
848.47
1/27/2020
35.30
849.67
2/25/2020
33.83
851.14

This page intentionally left blank.

TABLE 2
SUMMARY OF STREAM FLOW MEASUREMENTS
PIEDMONT LITHIUM, INC.
GASTON, NORTH CAROLINA
Location
ID
Date
Flow (cfs)
Flow (gpm)
FM-1
5/13/2019
24.15
10839.2
6/11/2019
20.40
9156.1
FM-2
5/13/2019
20.95
9403.0
6/11/2019
20.60
9245.9
FM-3
5/13/2019
8.00
3590.6
6/11/2019
8.40
3770.2
FM-4
5/13/2019
12.15
5453.3
6/11/2019
12.05
5408.4
FM-5
5/15/2019
0.35
157.1
6/12/2019
0.30
134.6
FM-6
5/15/2019
9.05
4061.9
6/12/2019
8.65
3882.4
Weir-1
5/15/2019
0.065
29.2
6/12/2019
0.34
152.9
Weir-2
5/15/2019
0.60
269.3
6/13/2019
0.53
238.3
Weir-3
5/15/2019
NM
>11*
6/12/2019
0.088
39.7
Weir-4
5/15/2019
0.42
188.5
6/13/2019
0.15
68.0
Weir-5
5/15/2019
0.25
112.2
6/13/2019
0.15
66.1
Weir-6
5/15/2019
0.82
365.8
6/13/2019
0.37
166.1
Weir-7
5/15/2019
0.10
44.9
6/12/2019
0.097
43.6
Weir-8
5/15/2019
0.03
13.5
6/13/2019
0.04
18.9
Weir-9
5/15/2019
0.07
31.4
6/13/2019
0.10
45.2
Notes:
cfs - cubic feet per second
gpm - gallons per minute
NM - not measured
* A temporary weir was used at this location

This page intentionally left blank.

TABLE 3
SUMMARY OF GROUNDWATER QUALITY DATA
PIEDMONT LITHIUM, INC.
GASTON COUNTY, NORTH CAROLINA
Field Measurements
Alkalinity
Nitrogen
Location
Date
Turbidity
(NTU)
DO
(mg/L)
pH (SU)
Specific
Conductivity (Ps/cm)
Temperature
(°C)
Arsenic
(ug/L)
Barium
(ug/L)
Cadmium
(ug/L)
Chromium
(ug/L)
Lead
(ug/L)
Lithium
(ug/L)
Mercury
(ug/L)
Manganese
(ug/L)
Selenium
(ug/L)
Silver
(ug/L)
Bicarbonate
( (mg L)
Carbonate
( (mg L)
Total
(mg L)
Total
�mgg)
Total
Keldahl
Nitrogen
Nitrogen,
N (mg L)
Total Dissolved
Solids (mg/L)
Chloride
(mg/L)
Fluoride
(mg/L)
Sulfate
(mg/L)
Cyanide
(mg/L)
8/10/2018
4.91
5.97
11.73
675.0
17.0
<10.0
16.6
<1.0
6.1
<5.0
NS
NS
NS
<10.0
<5.0
<5.0
140
160
<0.52
<0.50
0.17
233
3.3
0.32
12.9
<0.0080
3/27/2019
NM
NM
NM
NM
NM
<10.0
19.1
<1.0
<5.0
<5.0
84.2
NS
<5.0
<10.0
<5.0
<5.0
88.0
168
<0.52
<0.50
0.25
224
2.0
0.18
7.3
<0.0080
4/24/2019
1.27
3.36
11.75
737.0
16.6
<10.0
18.7
<1.0
<5.0
<5.0
78.2
<0.20
<5.0
<10.0
<5.0
<5.0
51.0
178
0.87
0.62
0.25
256
1.9
0.18
6.8
<0.0080
6/24/2019
1.66
4.63
11.46
636.0
17.1
<10.0
19.50
<1.0
<5.0
<5.0
73.0
<0.20
<5.0
<10.0
<5.0
<5.0
58.70
161.00
<0.52
<0.50
0.27
212.00
2.00
0.16
6.90
<0.0080
7/22/2019
1.45
4.78
11.68
624.0
16.8
<10.0
17.0
<1.0
<5.0
<5.0
71.4
NS
<5.0
<10.0
<5.0
<5.0
67.7
146
<0.52
<0.50
0.27
181
2.0
0.17
6.7
<0.0080
8/23/2019
20.4
3.85
11.39
634.0
17.8
<10.0
20.1
<1.0
<5.0
<5.0
81.8
<0.20
14.1
<10.0
<5.0
<5.0
71.3
154
0.58
<0.50
0.29
195
2.2
0.27
7.5
<0.0080
MW-1
9/24/2019
1.5
3.71
11.26
581.4
16.6
<10.0
16.8
<1.0
<5.0
<5.0
80.3
<0.20
<5.0
<10.0
<5.0
<5.0
80.3
153
<0.52
<0.50
0.30
186
2.1
0.17
6.6
<0.0080
10/28/2019
2.06
4.21
11.56
597.7
15.1
<10.0
15.4
<1.0
<5.0
<5.0
81.2
<0.20
<5.0
<10.0
1 <5.0
<5.0
1 40.1
141
0.52
1 <0.50
0.31
214
1.9
0.26
7.2
1 <0.0080
11/18/2019
1.01
4.19
11.54
450.7
14.7
<50.0'
13.1
<5.0*
<25.0'
<25.0`
91.6
<0.20
<25.0*
<50.0*
<25.0*
<5.0
64.9
108
0.60
<0.50
0.40
142
2.0
0.20
5.2
<0.0080
12/17/2019
0.40
5.02
10.41
124.6
15.0
<10.0
7.2
<1.0
<5.0
<5.0
97.1
<0.20
<5.0
<10.0
<5.0
<5.0
39.3
40.6
0.53
<0.50
0.46
71.0
2.0
0.11
2.9
<0.0080
1/27/2020
0.60
5.58
10.44
140.4
14.7
<10.0
9.1
<1.0
<5.0
<5.0
97.0
<0.20
5.0
<10.0
<5.0
16.5
19.3
35.8
0.69
<0.50
0.51
76.0
2.0
<0.10
2.2
<0.0080
2/25/2020
1.47
2.56
11.57
500.7
14.7
<10.0
9.1
<1.0
<5.0
<5.0
76.6
<0.20
<5.0
<10.0
<5.0
<5.0
64.6
120
<0.52
<0.50
0.33
140
2.2
0.36
7.1
<0.0080
8/9/2018
8.20
0.95
7.80
184.6
17.5
<10.0
<5.0
<1.0
<5.0
<5.0
NS
NS
NS
<10.0
<5.0
79.1
<5.0
79.1
1.30
<0.50
0.91
135
2.5
<0.10
8.2
<0.0080
3/27/2019
NM
NM
NM
NM
NM
<10.0
1 <5.0
<1.0
1 <5.0
<5.0
180.0
NS
33.6
<10.0
<5.0
95.4
<5.0
95.4
1.40
1 <0.50
1.10
139
2.3
<0.10
5.4
<0.0080
4/24/2019
4.79
0.15
7.98
203.9
16.6
<10.0
<5.0
<1.0
<5.0
<5.0
167
<0.20
31.1
<10.0
<5.0
97.3
<5.0
97.3
1.4
<0.50
1.1
165
2.3
<0.10
5.3
<0.0080
6/24/2019
1.24
1.61
7.37
184.2
18.6
<10.0
<5.0
<1.0
12.80
<5.0
99.3
<0.20
21.4
<10.0
<5.0
86.50
<5.0
86.50
1.90
<0.50
1.70
145.00
2.50
<0.10
3.30
<0.0080
7/22/2019
1.09
0.31
8.10
203.0
16.7
<10.0
<5.0
<1.0
<5.0
<5.0
129
NS
21.7
<10.0
<5.0
98.2
<5.0
98.2
1.3
<0.50
1.2
133
2.4
<0.10
4.9
<0.0080
MW-2
8/22/2019
2.79
0.29
7.58
214.0
16.8
<10.0
<5.0
<1.0
11.4
<5.0
145
<0.20
19.4
<10.0
<5.0
106
<5.0
106
1.4
<0.50
1.3
163
2.6
<0.10
5.7
<0.0080
9/24/2019
0.64
4.18
5.87
138.2
15.9
<10.0
5.2
<1.0
<5.0
<5.0
70.4
<0.20
17.6
<10.0
<5.0
57.1
<5.0
57.1
2.0
<0.50
2.0
103
2.5
<0.10
1.5
1 <0.0080
10/28/2019
0.63
6.30
7.07
189.7
16.4
<10.0
1 <5.0
<1.0
1 <5.0
<5.0
93.6
<0.20
21.4
<10.0
<5.0
79.0
<5.0
79.0
2.2
<0.50
2.0
146
2.4
<0.10
3.1
<0.0080
11/18/2019
0.46
4.02
6.75
147.0
15.9
<10.0
<5.0
<1.0
<5.0
<5.0
82.9
<0.20
12.7
<10.0
<5.0
57.2
<5.0
57.2
2.3
<0.50
1 2.1
113
2.6
<0.10
1.9
<0.0080
12/17/2019
0.63
5.69
6.30
112.8
16.0
<10.0
6.8
<1.0
<5.0
<5.0
72.0
<0.20
12.6
<10.0
<5.0
44.0
<5.0
44.0
2.3
<0.50
2.2
74.0
2.6
<0.10
1.1
<0.0080
1/28/2020
1.72
0.85
7.75
213.2
15.5
<10.0
<5.0
<1.0
<5.0
<5.0
141
<0.20
19.2
<10.0
<5.0
106
<5.0
106
1.6
<0.50
1.5
129
2.4
<0.10
4.8
<0.0080
2/25/2020
0.32
3.24
7.00
171.3
15.4
<10.0
<5.0
<1.0
<5.0
<5.0
82.8
<0.20
17.8
<10.0
<5.0
74.1
<5.0
74.1
2.0
<0.50
1.9
98.0
2.6
<0.10
2.5
<0.0080
8/9/2018
8.70
5.59
9.06
106.9
17.7
<10.0
<5.0
<1.0
<5.0
<5.0
NS
NS
NS
<10.0
<5.0
46.1
<5.0
46.1
0.88
<0.50
0.65
94.0
1.3
<0.10
2.9
<0.0080
3/27/2019
NM
NM
NM
NM
NM
<10.0
<5.0
<1.0
<5.0
<5.0
185.0
NS
12.5
<10.0
<5.0
47.9
<5.0
47.9
0.90
<0.50
0.76
85.0
1.3
<0.10
1.5
<0.0080
4/24/2019
3.21
6.39
1 8.77
102.0
16.1
<10.0
5.2
<1.0
<5.0
<5.0
185
<0.20
5.5
<10.0
<5.0
46.4
<5.0
48.2
0.99
1 <0.50
0.70
1 112
1.3
<0.10
1.6
<0.0080
6/24/2019
1.60
5.35
8.97
103.4
18.1
<10.0
9.70
<1.0
<5.0
<5.0
172
<0.20
<5.0
<10.0
<5.0
45.20
<5.0
48.90
0.89
<0.50
0.72
84.00
1.30
<0.10
1.60
<0.0080
7/23/2019
1.43
6.14
7.86
97.1
18.1
<10.0
<5.0
<1.0
<5.0
<5.0
155
NS
6.0
<10.0
<5.0
43.6
<5.0
43.6
0.9
<0.50
0.72
50.0
1.4
<0.50
1.5
<0.0080
8/23/2019
1.08
5.98
7.66
101.8
16.5
<10.0
<5.0
<1.0
<5.0
<5.0
184
<0.20
<5.0
<10.0
<5.0
48.8
<5.0
48.8
0.90
<0.50
0.72
83.0
1.5
<0.10
2.1
1 <0.0080
MW-3
9/23/2019
1.75
6.87
6.86
96.6
16.5
<10.0
<5.0
<1.0
<5.0
<5.0
179
<0.20
<5.0
<10.0
<5.0
47.5
<5.0
47.5
0.86
<0.50
0.82
83.0
1.5
<0.10
1.5
<0.0080
10/28/2019
1.44
7.10
8.03
105.1
16.4
<10.0
<5.0
<1.0
<5.0
<5.0
186
<0.20
<5.0
<10.0
<5.0
46.0
<5.0
46.0
0.96
<0.50
0.82
98.0
1.3
<0.10
1.4
<0.0080
11/20/2019
0.90
5.71
1 7.77
104.4
14.5
<10.0
<5.0
<1.0
<5.0
<5.0
204
<0.20
5.6
<10.0
<5.0
1 45.0
<5.0
45.0
1.00
<0.50
0.87
87.0
1.5
<0.10
1.5
<0.0080
12/17/2019
2.74
5.28
8.35
111.4
15.6
<10.0
<5.0
<1.0
<5.0
<5.0
194
<0.20
<5.0
<10.0
<5.0
53.5
<5.0
53.5
0.81
<0.50
0.81
82.0
1.5
<0.10
1.5
<0.0080
1/27/2020
3.01
6.79
7.86
102.1
14.6
<10.0
<5.0
<1.0
<5.0
<5.0
199
<0.20
<5.0
<10.0
<5.0
50.4
<5.0
50.4
1.0
<0.50
0.81
78.0
1.4
<0.10
1.4
<0.0080
2/27/2020
4.69
5.81
8.20
108.8
15.4
<10.0
<5.0
<1.0
<5.0
<5.0
186
<0.20
<5.0
<10.0
<5.0
53.6
<5.0
53.6
0.78
<0.50
0.75
65.0
1.5
<0.10
1.4
1 <0.0080
8/7/2018
13.10
7.11
9.20
120.5
18.4
<10.0
5.2
<1.0
25.7
<5.0
NS
NS
NS
<10.0
<5.0
44.2
<5.0
49.1
1.2
<0.50
1.10
93.0
1.0
1.1
4.1
<0.0080
3/27/2019
NM
NM
NM
NM
NM
<10.0
5.4
<1.0
<5.0
<5.0
222
NS
23.4
1 <10.0
<5.0
39.6
11.7
51.3
1.4
1 <0.50
1.2
93.0
<1.0
<0.10
1.3
<0.0080
4/25/2019
2.23
6.15
9.08
113.0
16.5
<10.0
<5.0
<1.0
<5.0
<5.0
228
<0.20
11.9
<10.0
<5.0
40.3
15.0
55.2
1.6
<0.50
1.2
127
<1.0
<0.10
1.1
<0.0080
6/25/2019
1.61
5.75
8.52
105.4
17.5
<10.0
5.50
<1.0
<5.0
<5.0
190
<0.20
11.2
<10.0
<5.0
49.70
<5.0
49.70
1.30
<0.50
1.20
105.00
<1.0
<0.10
1.00
<0.0080
7/24/2019
1.22
5.64
8.25
98.2
18.8
<10.0
5.5
<1.0
<5.0
<5.0
159
NS
16.2
<10.0
<5.0
46.1
<5.0
46.1
1.4
<0.50
1.1
58.0
1.0
<0.10
1.0
<0.0080
MW-4
8/23/2019
2.48
6.61
7.57
98.3
17.5
<10.0
6.4
<1.0
<5.0
<5.0
172
<0.20
12.0
<10.0
<5.0
46.1
<5.0
46.1
1.3
<0.50
1.1
86.0
<1.0
I <0.10
1.3
1 <0.0080
9/24/2019
3.03
6.36
6.99
93.4
16.4
<10.0
5.3
<1.0
<5.0
<5.0
161
<0.20
19.6
<10.0
<5.0
46.2
<5.0
46.2
1.2
<0.50
1.1
89.0
<1.0
<0.10
<1.0
1 <0.0080
10/30/2019
0.87
7.57
7.58
96.7
16.5
<10.0
5.6
<1.0
<5.0
<5.0
163
<0.20
10
<10.0
<5.0
41.4
<5.0
41.4
1.4
1 <0.50
1.2
1 79.0
<1.0
<0.10
<1.0
<0.0080
11/19/2019
1.74
6.08
7.82
103.2
1 15.7
<10.0
<5.0
<1.0
<5.0
<5.0
187
<0.20
17.4
<10.0
<5.0
44.0
<5.0
44.0
1.3
<0.50
1.2
94.0
<1.0
<0.10
1.2
<0.0080
12/19/2019
1.81
5.98
7.16
91.5
14.6
<10.0
<5.0
<1.0
23.2
<5.0
158
<0.20
8.5
<10.0
<5.0
41.0
<5.0
41.0
1.3
<0.50
1.2
83.0
<1.0
<0.10
<1.0
<0.0080
1/29/2020
0.58
7.29
7.55
91.3
15.6
<10.0
8.8
<1.0
<5.0
<5.0
155
<0.20
2/27/2020
1.90
6.18
7.12
91.9
16.6
<10.0
6.8
<1.0
<5.0
<5.0
145
<0.20
5.9
<10.0
<5.0
41.4
<5.0
41.4
1.2
<0.50
1.1
55.0
<1.0
<0.10
<1.0
<0.0080

TABLE 3
SUMMARY OF GROUNDWATER QUALITY DATA
PIEDMONT LITHIUM, INC.
GASTON COUNTY, NORTH CAROLINA
Field Measurements
Alkalinity
Nitrogen
Location
Date
Turbidity
(NTU)
DO
(mg/L)
pH (SU)
Specific
Conductivity (Ps/cm)
Temperature
(°C)
Arsenic
(ug/L)
Barium
(ug/L)
Cadmium
(ug/L)
Chromium
(ug/L)
Lead
(ug/L)
Lithium
(ug/L)
Mercury
(ug/L)
Manganese
(ug/L)
Selenium
(ug/L)
Silver
(ug/L)
Bicarbonate
( (mg L)
Carbonate
((mg L)
Total
(mg L)
Total
�mgg)
Total
Keldahl
Nitrogen
Nitrogen,
N (mgNO3
Total Dissolved
Solids (mg/L)
Chloride
(mg/L)
Fluoride
(mg/L)
Sulfate
(mg/L)
Cyanide
(mg/L)
8/8/2018
14.7
4.04
11.97
169.7
20.4
221
485
1.3
328
39.9
NS
NS
NS
26.7
<5.0
1530
1800
3330
<0.52
<0.50
0.081
520
2.4
0.28
19.4
<0.0080
3/27/2019
NM
NM
NM
NM
NM
<10.0
14.6
<1.0
6.2
<5.0
70.9
NS
<5.0
<10.0
<5.0
<5.0
88.0
193
<0.52
<0.50
<0.040
271
1.8
0.15
13.5
<0.0080
4/25/2019
2.93
3.11
11.19
276.4
19.3
<10.0
12.9
<1.0
<5.0
<5.0
151
<0.20
<5.0
<10.0
<5.0
<5.0
35.8
70.0
<0.52
<0.50
0.091
108
<1.0
<0.10
2.1
<0.0080
6/25/2019
4.39
5.83
10.99
228.0
18.1
10.40
13.60
<1.0
<5.0
<5.0
147
<0.20
<5.0
<10.0
<5.0
12.30
86.30
98.60
<0.52
<0.50
0.089
80.00
<1.0
0.10
2.00
<0.0080
7/24/2019
3.22
3.22
10.97
183.7
18.2
<10.0
9.7
<1.0
<5.0
<5.0
130
NS
<5.0
<10.0
<5.0
<5.0
48.9
54.0
<0.52
<0.50
0.088
56.0
<1.0
<0.10
1.9
<0.0080
MW-5
8/21/2019
6.18
2.75
10.72
185.5
20.5
<10.0
9.7
<1.0
<5.0
<5.0
143
<0.20
6.0
<10.0
<5.0
<5.0
47.0
50.3
<0.52
<0.50
0.077
74.0
1.2
0.13
3.5
<0.0080
9/24/2019
17.40
6.81
10.73
184.3
18.5
<10.0
9.6
<1.0
<5.0
<5.0
146
<0.20
8.2
<10.0
<5.0
17.1
54.0
71.2
<0.52
<0.50
0.087
79.0
1.1
<0.10
3.0
<0.0080
10/29/2019
4.47
3.40
10.71
141.4
17.5
<10.0
8.2
<1.0
1 <5.0
<5.0
158
<0.20
1 <5.0
<10.0
<5.0
<5.0
24.4
40.1
<0.52
<0.50
0.087
1 63.0
<1.0
<0.10
1 2.0
<0.0080
11/20/2019
8.23
0.23
11.58
515.5
16.9
<10.0
6.7
<1.0
<5.0
<5.0
80.1
<0.20
<5.0
<10.0
<5.0
<5.0
62.5
125
<0.52
<0.50
<0.040
168
1.6
0.20
10.4
<0.0080
12/18/2019
7.19
2.71
10.08
88.9
15.0
14.3
8.2
<1.0
<5.0
<5.0
169
<0.20
7.5
<10.0
<5.0
42.5
11.9
54.4
<0.52
<0.50
0.078
44.0
1.1
0.10
2.3
<0.0080
1/28/2020
4.77
2.85
10.86
169.1
15.6
<10.0
9.6
<1.0
<5.0
<5.0
158
<0.20
7.2
<10.0
<5.0
<5.0
48.1
50.3
<0.52
<0.50
0.068
64.0
1.1
<0.10
2.9
<0.0080
2/26/2020
3.58
5.65
9.66
82.9
15.1
13.9
<5.0
<1.0
<5.0
<5.0
156
<0.20
<5.0
<10.0
<5.0
30.1
6.7
36.9
<0.52
<0.50
0.069
44.0
1.1
<0.10
2.8
<0.0080
8/9/2018
12.3
6.70
6.78
124.6
15.9
<10.0
<5.0
<1.0
<5.0
<5.0
NS
NS
NS
<10.0
<5.0
64.5
<5.0
64.5
<0.52
<0.50
0.16
103
<1.0
<0.10
<1.0
<0.0080
3/27/2019
NM
NM
NM
NM
NM
<10.0
<5.0
<1.0
<5.0
<5.0
108
NS
12.8
<10.0
<5.0
69.6
<5.0
69.6
<0.52
<0.50
1 0.19
103
<1.0
I <0.10
<1.0
<0.0080
4/26/2019
5.71
6.40
6.92
127.9
14.9
<10.0
<5.0
<1.0
<5.0
<5.0
109
<0.20
34.9
<10.0
<5.0
73.2
<5.0
73.2
<0.52
<0.50
0.17
157
<1.0
<0.10
<1.0
<0.0080
6/26/2019
9.63
5.52
7.01
128.4
15.7
<10.0
<5.0
<1.0
<5.0
<5.0
97.8
<0.20
14.9
<10.0
<5.0
69.60
<5.0
69.60
<0.52
<0.50
0.22
104.00
<1.0
<0.10
<1.0
<0.0080
7/23/2019
5.15
6.37
6.92
122.4
15.9
<10.0
<5.0
<1.0
<5.0
<5.0
85.8
NS
23.2
<10.0
<5.0
64.8
<5.0
64.8
<0.52
<0.50
0.16
104
<1.0
<0.10
<1.0
1 <0.0080
OW-1 S
8/22/2019
8.49
5.10
6.77
126.6
17.3
<10.0
<5.0
<1.0
<5.0
<5.0
98.0
<0.20
30.8
<10.0
<5.0
69.5
<5.0
69.5
<0.52
<0.50
0.16
100
<1.0
0.12
<1.0
<0.0080
9/26/2019
9.73
6.32
6.06
119.0
16.2
<10.0
<5.0
<1.0
1 <5.0
<5.0
95.5
<0.20
32.0
<10.0
<5.0
68.3
<5.0
68.3
<0.52
<0.50
0.16
100
1.1
<0.10
<1.0
<0.0080
10/30/2019
7.24
6.77
6.92
125.0
15.6
<10.0
<5.0
<1.0
<5.0
<5.0
103
<0.20
19.1
<10.0
<5.0
62.7
<5.0
62.7
<0.52
<0.50
0.17
106
<1.0
I <0.10
<1.0
<0.0080
11/21/2019
2.06
6.00
6.84
127.6
15.2
<10.0
<5.0
<1.0
<5.0
<5.0
106
<0.20
<5.0
<10.0
<5.0
63.6
<5.0
63.6
<0.52
<0.50
0.19
109
<1.0
<0.10
<1.0
<0.0080
12/19/2019
9.98
5.30
6.85
125.6
13.8
<10.0
<5.0
<1.0
<5.0
<5.0
105
<0.20
31.4
<10.0
<5.0
67.4
<5.0
67.4
<0.52
<0.50
0.17
115
<1.0
<0.10
<1.0
<0.0080
1/28/2020
12.80
6.40
6.80
120.1
13.9
<10.0
<5.0
<1.0
<5.0
<5.0
112
0.33
23.0
<10.0
<5.0
65.2
<5.0
65.2
<0.52
<0.50
0.16
93.0
<1.0
<0.10
<1.0
1 <0.0080
2/26/2020
4.29
6.75
6.69
133.4
13.8
<10.0
<5.0
<1.0
<5.0
<5.0
98.4
1 <0.20
5.9
<10.0
<5.0
71.9
<5.0
71.9
<0.52
<0.50
0.16
75.0
<1.0
<0.10
<1.0
<0.0080
8/7/2018
13.20
5.94
7.21
187.7
17.6
<10.0
5.5
<1.0
1 6.9
<5.0
NS
NS
NS
<10.0
<5.0
93.8
<5.0
93.8
<0.52
1 <0.50
0.26
132
1.7
0.16
1.2
<0.0080
3/27/2019
NM
NM
NM
NM
NM
<10.0
<5.0
<1.0
<5.0
<5.0
184
NS
63.9
<10.0
<5.0
100
<5.0
100
<0.52
<0.50
0.31
137
1.6
0.12
1.1
<0.0080
4/26/2019
1.17
4.93
6.85
165.4
14.4
<10.0
<5.0
<1.0
<5.0
<5.0
161
<0.20
<5.0
<10.0
<5.0
92.6
<5.0
92.6
1.0
0.75
0.27
155
1.5
<0.10
<1.0
<0.0080
6/26/2019
3.69
4.08
6.93
181.3
16.4
<10.0
<5.0
<1.0
<5.0
<5.0
163
<0.20
49.3
<10.0
<5.0
100.00
<5.0
100.00
<0.52
<0.50
0.29
117.00
1.60
<0.10
1.00
<0.0080
7/23/2019
6.37
4.58
6.93
176.8
16.8
<10.0
<5.0
<1.0
<5.0
<5.0
145
NS
50.1
<10.0
<5.0
93.6
<5.0
93.6
<0.52
<0.50
0.27
101
1.7
<0.10
1.0
1 <0.0080
8/22/2019
2.68
4.48
6.84
172.3
16.2
<10.0
<5.0
<1.0
<5.0
<5.0
154
<0.20
6.9
<10.0
<5.0
90.4
<5.0
90.4
<0.52
<0.50
0.27
122
1.9
<0.10
1.0
1 <0.0080
OW-1 D
9/25/2019
4.36
4.22
6.19
167.5
15.9
<10.0
1 <5.0
<1.0
1 <5.0
<5.0
158
1 <0.20
22.0
<10.0
<5.0
94.7
<5.0
94.7
<0.52
1 <0.50
0.31
130
1.8
<0.10
<1.0
<0.0080
10/30/2019
5.69
5.34
6.93
171.6
15.6
<10.0
<5.0
<1.0
<5.0
<5.0
166
<0.20
8.0
<10.0
<5.0
87.2
<5.0
87.2
<0.52
<0.50
0.30
120
1.7
<0.10
<1.0
<0.0080
11/21/2019
2.18
2.98
6.95
180.1
15.4
<10.0
<5.0
<1.0
<5.0
5.5
163
<0.20
5.1
<10.0
<5.0
94.2
<5.0
94.2
<0.52
<0.50
0.30
132
1.7
<0.10
<1.0
<0.0080
12/19/2019
2.31
4.50
6.87
172.3
14.2
<10.0
<5.0
<1.0
<5.0
<5.0
172
<0.20
9.7
<10.0
<5.0
92.3
1 <5.0
92.3
<0.52
<0.50
0.30
1 130
1.8
<0.10
<1.0
<0.0080
1/29/2020
13.0
4.43
7.03
162.9
12.0
<10.0
<5.0
<1.0
<5.0
30.1
162
<0.20
6.2
<10.0
<5.0
90.7
<5.0
90.7
<0.52
<0.50
0.27
92.0
1.6
<0.10
<1.0
<0.0080
2/27/2020
8.10
4.12
6.75
170.1
12.7
<10.0
<5.0
<1.0
<5.0
22.5
152
<0.20
5.6
<10.0
<5.0
90.4
<5.0
90.4
<0.52
<0.50
0.29
101
1.8
<0.10
<1.0
1 <0.0080
8/8/2018
49.4
5.68
6.42
113.8
18.9
<10.0
9.7
<1.0
<5.0
<5.0
NS
NS
NS
<10.0
<5.0
56.1
<5.0
56.1
<0.52
<0.50
0.094
123
1.3
<0.10
<1.0
<0.0080
3/27/2019
NM
NM
NM
NM
NM
<10.0
<5.0
<1.0
<5.0
<5.0
36.7
NS
8.1
<10.0
<5.0
61.1
<5.0
61.1
<0.52
<0.50
0.097
114
<1.0
<0.10
<1.0
<0.0080
4/26/2019
9.26
5.18
6.54
113.8
16.0
<10.0
5.8
<1.0
<5.0
<5.0
38.3
<0.20
19.3
<10.0
<5.0
61.9
<5.0
61.9
0.72
0.63
0.092
139
1.0
<0.10
<1.0
<0.0080
6/25/2019
6.34
4.92
6.70
114.8
18.3
<10.0
9.70
<1.0
<5.0
<5.0
37.2
<0.20
37.9
<10.0
<5.0
62.30
<5.0
62.30
<0.52
<0.50
0.091
99.00
1.30
0.10
<1.0
<0.0080
7/24/2019
28.30
5.47
6.73
114.0
17.7
<10.0
5.1
<1.0
<5.0
<5.0
30.5
NS
17.5
<10.0
<5.0
58.3
<5.0
58.3
<0.52
<0.50
0.082
84.0
1.0
<0.10
<1.0
<0.0080
OW-2S
8/21/2019
45.0
4.93
6.45
116.1
20.5
<10.0
14.1
<1.0
<5.0
<5.0
40.4
<0.20
65.5
<10.0
<5.0
58.3
<5.0
58.3
<0.52
<0.50
<0.087
107
1.2
0.12
<1.0
<0.0080
9/25/2019
9.02
4.65
6.12
11.2
18.0
<10.0
<5.0
<1.0
<5.0
<5.0
33.7
<0.20
15.4
<10.0
<5.0
62.0
<5.0
62.0
<0.52
<0.50
0.087
106
1.1
<0.10
<1.0
<0.0080
10/29/2019
9.86
6.38
6.56
114.8
18.3
<10.0
<5.0
<1.0
<5.0
<5.0
37.1
<0.20
11.1
<10.0
<5.0
55.9
<5.0
55.9
<0.52
<0.50
0.100
99.0
<1.0
<0.10
<1.0
<0.0080
11/21/2019
64.6
7.41
6.67
119.9
18.6
<10.0
7.8
<1.0
<5.0
<5.0
44.7
<0.20
38.1
<10.0
<5.0
62.8
<5.0
62.8
<0.52
<0.50
0.094
118
1.0
<0.10
<1.0
<0.0080
12/18/2019
9.95
4.87
6.47
115.8
16.9
<10.0
8.7
<1.0
<5.0
<5.0
43.0
<0.20
51.2
<10.0
<5.0
60.3
<5.0
60.3
<0.52
<0.50
0.073
116
1.1
<0.10
<1.0
<0.0080
1/28/2020
r 7.52
5.82
6.65
109.3
16.0
<10.0
<5.0
<1.0
<5.0
<5.0
38.8
<0.20
10.3
<10.0
<5.0
58.7
<5.0
58.7
<0.52
<0.50
0.089
91.0
1.0
<0.10
<1.0
<0.0080
2/26/2020
1 8.30
5.03
6.21
115.0
15.6
<10.0
<5.0
<1.0
<5.0
<5.0
38.7
<0.20
12.4
<10.0
<5.0
58.3
<5.0
58.3
<0.52
<0.50
0.086
87.0
1.1
<0.10
<1.0
<0.0080

TABLE 3
SUMMARY OF GROUNDWATER QUALITY DATA
PIEDMONT LITHIUM, INC.
GASTON COUNTY, NORTH CAROLINA
Field Measurements
Alkalinity
Nitrogen
Location
Date
Turbidity
(NTU)
DO
(mg/L)
pH (SU)
Specific
Conductivity (PS/cm)
Temperature
(°C)
Arsenic
(ug/L)
Barium
(ug/L)
Cadmium
(ug/L)
Chromium
(ug/L)
Lead
(ug/L)
Lithium
(ug/L)
Mercury
(ug/L)
Manganese
(ug/L)
Selenium
(ug/L)
Silver
(ug/L)
Bicarbonate
( (mg L)
Carbonate
((mg L)
Total
(mg L)
Total
�mgg)
Total
Keldahl
Nitrogen
Nitrogen,
N (mg L)
Total Dissolved
Solids (mg/L)
Chloride
(mg/L)
Fluoride
(mg/L)
Sulfate
(mg/L)
Cyanide
(mg/L)
8/8/2018
2.63
9.09
7.56
173.5
17.3
<10.0
<5.0
<1.0
<5.0
<5.0
NS
NS
NS
<10.0
<5.0
89.1
<5.0
89.1
<0.52
<0.50
0.1
128.0
1.1
0.1
<1.0
<0.0080
3/27/2019
NM
NM
NM
NM
NM
<10.0
<5.0
<1.0
<5.0
<5.0
108.0
NS
7.8
<10.0
<5.0
89.2
<5.0
89.2
<0.52
<0.50
0.2
125.0
1.1
<0.10
<1.0
<0.0080
4/26/2019
0.96
5.14
1 7.28
166.2
15.7
<10.0
1 <5.0
<1.0
<5.0
1 <5.0
100.0
1 <0.20
<5.0
<10.0
1 <5.0
93.3
<5.0
1 93.3
<0.52
1 <0.50
0.2
139.0
1.1
<0.10
<1.0
<0.0080
6/25/2019
1.47
4.69
7.16
163.1
16.5
<10.0
<5.0
<1.0
<5.0
<5.0
92.5
<0.20
<5.0
<10.0
<5.0
91.3
<5.0
91.3
<0.52
<0.50
0.2
119.0
1.1
<0.10
<1.0
<0.0080
7/24/2019
1.75
5.12
7.21
164.4
16.8
<10.0
<5.0
<1.0
<5.0
<5.0
90.2
NS
18.5
<10.0
<5.0
88.9
<5.0
88.9
<0.52
<0.50
0.14
106
1.1
<0.10
<1.0
<0.0080
8/21/2019
3.88
5.10
7.09
165.2
19.8
<10.0
<5.0
<1.0
<5.0
<5.0
102.0
<0.20
9.8
<10.0
<5.0
86.2
<5.0
86.2
<0.52
<0.50
0.14
113
1.3
0.1
<1.0
<0.0080
OW-21D
9/25/2019
0.84
4.93
6.41
161.5
17.0
<10.0
<5.0
<1.0
<5.0
<5.0
96.4
<0.20
<5.0
<10.0
<5.0
93.0
<5.0
93.0
<0.52
<0.50
0.14
109
1.1
<0.10
<1.0
<0.0080
10/29/2019
0.81
6.05
7.19
164
17
<10.0
<5.0
<1.0
<5.0
<5.0
102
<0.20
<5.0
<10.0
<5.0
85.1
<5.0
85.1
<0.52
<0.50
0.14
117
1.1
<0.10
<1.0
<0.0080
11/21/2019
2.83
5.24
7.77
165.5
15.6
<10.0
<5.0
<1.0
<5.0
<5.0
107
<0.20
5.8
<10.0
<5.0
88.4
<5.0
88.4
<0.52
<0.50
0.15
122
1.1
<0.10
<1.0
<0.0080
12/18/2019
0.54
4.54
7.16
166.6
15.3
<10.0
<5.0
<1.0
<5.0
<5.0
109
<0.20
<5.0
<10.0
<5.0
89.5
<5.0
89.5
<0.52
<0.50
0.14
111
1.1
<0.10
<1.0
<0.0080
1/29/2020
0.39
5.72
7.22
158.1
14.6
<10.0
<5.0
<1.0
<5.0
<5.0
110
0.28
<5.0
<10.0
<5.0
88.3
<5.0
88.3
<0.52
<0.50
0.14
107
1.1
<0.10
<1.0
<0.0080
2/26/2020
0.49
5.25
7.31
167.0
15.0
<10.0
<5.0
<1.0
<5.0
<5.0
97.4
<0.20
<5.0
<10.0
<5.0
90.4
<5.0
90.4
<0.52
<0.50
0.13
102
1.1
<0.10
<1.0
<0.0080
8/9/2018
1.83
5.49
6.56
166.0
16.8
<10.0
<5.0
<1.0
<5.0
<5.0
NS
NS
NS
<10.0
<5.0
82.5
<5.0
82.5
<0.52
<0.50
0.3
121.0
1.7
<0.10
<1.0
<0.0080
3/27/2019
NM
NM
NM
NM
NM
26.0
<5.0
<1.0
<5.0
<5.0
1060
NS
17.1
<10.0
<5.0
72.4
<5.0
72.4
<0.52
<0.50
<0.040
110.0
1.3
2.3
8.7
<0.0080
4/25/2019
0.28
0.19
8.66
158.1
15.5
20.5
<5.0
<1.0
<5.0
<5.0
1000
<0.20
9.2
<10.0
<5.0
68.8
<5.0
68.8
0.6
0.6
<0.040
122.0
1.2
2.5
8.9
<0.0080
6/26/2019
0.28
0.36
8.54
150.5
15.9
13.0
<5.0
<1.0
<5.0
<5.0
1070
<0.20
6.4
<10.0
<5.0
64.0
<5.0
64.0
<0.52
<0.50
<0.040
101.0
1.2
2.8
8.8
<0.0080
7/23/2019
0.26
0.47
8.69
147.0
18.8
10.2
<5.0
<1.0
<5.0
<5.0
1100
NS
6.2
<10.0
<5.0
60
<5.0
60
<0.52
<0.50
<0.040
74.0
1.3
2.9
8.7
<0.0080
8/22/2019
0.23
0.33
8.62
151.5
18.2
<10.0
<5.0
<1.0
<5.0
<5.0
1190
<0.20
5.8
<10.0
<5.0
62.2
<5.0
62.2
<0.52
<0.50
<0.040
87.0
1.4
3.1
10.0
<0.0080
PW-1
9/25/2019
1.36
0.97
7.63
144.5
16.4
<10.0
<5.0
<1.0
<5.0
<5.0
1220
<0.20
6.5
<10.0
<5.0
64.1
<5.0
64.1
<0.52
<0.50
<0.040
110
1.3
2.7
9.1
<0.0080
10/29/2019
0.17
0.24
8.75
152.6
16.1
<10.0
<5.0
<1.0
<5.0
<5.0
1220
<0.20
5.3
<10.0
<5.0
60.7
<5.0
60.7
<0.52
<0.50
<0.040
102
1.2
2.8
9.7
<0.0080
11/20/2019
0.67
0.38
8.64
156.0
15.6
<10.0
<5.0
<1.0
<5.0
<5.0
1370
<0.20
5.1
<10.0
<5.0
62.5
<5.0
62.5
<0.52
<0.50
<0.040
115
1.3
2.9
9.4
<0.0080
12/18/2019
0.38
0.14
8.66
157.0
14.7
<10.0
<5.0
<1.0
<5.0
<5.0
1350
<0.20
5.2
<10.0
<5.0
66.2
<5.0
66.2
<0.52
<0.50
<0.040
97.0
1.2
2.4
8.9
<0.0080
1/29/2020
0.20
2.40
8.66
150.0
13.7
<10.0
<5.0
<1.0
<5.0
<5.0
1320
0.27
5.0
<10.0
<5.0
65.9
<5.0
65.9
<0.52
<0.50
<0.040
98.0
1.2
2.8
9.7
0.010
2/27/2020
0.38
0.77
8.69
157.7
13.6
<10.0
<5.0
<1.0
<5.0
<5.0
1210
<0.20
5.2
<10.0
<5.0
69.9
<5.0
69.9
<0.52
<0.50
<0.040
74.0
1.2
2.6
9.2
<0.0080
NCAC 2L Standards
--
--
678.5
--
--
10
700
2
10
15
--
--
50
20
20
--
--
--
--
--
11
--
250
2
250
70
Notes:
NTU - nephelometric turbidity units
mg/L - miligrams per liter
SU - standard units
pS/cm - microsiemens per centimeter
NM - not measured
NS - not sampled
-- - no established NCAC 2L Standard for analyte
8.75 - Result is above NCAC 2L Standards
Sample diluted due to the presence of high levels of non -target analytes or other matrix interference
Aluminum, Antimony, Beryllium, Calcium, Copper, Iron, Potassium, Sodium, Thallium and Zinc were analyzed in August 2018; Refer to Technical Memorandum from March 1, 2019

TABLE 4
SUMMARY OF SURFACE WATER QUALITY DATA
PIEDMONT LITHIUM, INC.
GASTON COUNTY, NORTH CAROLINA
Field Measurements
Metals
Alkalinity
Chlorophyll & Pheopytin
Nitrogen
Location
Date
Total
Preci itation
P
in Past72
Hours
Turbidity
(NTU)
DO
(mg/L)
pH
Specific
Conductivity
(/cm)
ORP
(mv)
Temperature
(°C)
Arsenic
(pg/L)
Barium
(pg/L)
Cadmium
(pg/L)
Chromium
(pg/L)
Lead
(pg/L)
Lithium
(pg/L)
Manganese
(pg/L)
Selenium
(pg/L)
Silver
(pg/L)
Mercury
(pg/L)
Bicarbonate
(CaCO3)
(mg/L)
Carbonate
(CaCO3)
(mg/L)
Total
CaCO3
(mg/L)
Chlorophyll a
(mg/m^3)
Chlorophyll b
(mg/m^3)
Chlorophyll c
(mg/m^3)
Chlorophyll a
(Corrected)
(mg/m^3)
Pheophytin
^
(mg/m 3)
Total
Nitrogen
(mg/L)
Nitrogen,
Ammonia
(mg/L)
Total
Kjeldahl
Nitrogen
(mg/L)
Nitrogen,
NO2+NO3
(mg/L)
Total
Suspended
Solids
(mg/L)
Total
Dissolved
Solids
(mg/L)
Chloride
(mg/L)
Fluoride
(mg/L)
Sulfate
(mg/L)
Phosphorus
(mg/L)
Cyanide
(mg/L)
2/14/2019
0.72
8.52
15.55
6.17
61.3
298.1
6.1
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
10.4
<7.7
<7.7
<7.7
14.9
NS
<0.10
NS
NS
4.1
NM
NM
NM
NM
<0.050
NM
3/21/2019
0.00
NM
12.50
6.55
147.8
179.7
9.8
<10.0
12.4
<1.0
<5.0
<5.0
10.8
24.9
<10.0
<5.0
<0.20
21.7
<5.0
21.7
<5.0
<5.0
<5.0
<5.0
72.2
0.79
<0.10
<0.50
0.53
4.4
52.0
3.5
<0.10
2.6
<0.050
<0.0080
4/23/2019
1.69
10.30
9.82
7.31
68.5
41.3
13.6
<10.0
17.3
<1.0
<5.0
<5.0
12.4
44
<10.0
<5.0
<0.20
22.7
<5.0
22.7
<5.0
<5.0
<5.0
<5.0
<5.0
0.87
<0.10
<0.50
0.56
7.9
80
3.4
<0.10
2.6
<0.050
<0.0080
5/23/2019
0.00
NM
8.24
7.40
69.7
35.5
18.6
<10.0
15.3
<1.0
<5.0
<5.0
17.8
47
<10.0
<5.0
<0.20
21.2
<5.0
21.2
<5.0
<5.0
<5.0
<5.0
<5.0
1.10
<0.10
<0.50
0.65
9.0
71.0
3.8
<0.10
1.7
0.06
<0.0080
6/13/2019
1.11
15.4
15.16
8.67
70.6
121.8
17.1
<10.0
16.3
<1.0
<5.0
<5.0
15.2
42.9
<10.0
<5.0
<0.20
22.7
<5.0
22.7
5.2
<5.0
<5.0
<5.0
<5.0
0.83
<0.10
<0.50
0.53
4.9
59.0
3.7
<0.10
2.0
<0.050
<0.0080
7/2/2019
0.02
9.8
7.89
6.99
76.6
-61.9
21.5
<10.0
15.0
<1.0
<5.0
<5.0
16.9
52.0
<10.0
<5.0
<0.20
27.2
<5.0
27.2
<5.2
<5.2
<5.2
<5.2
7.7
1.0
<0.10
<0.50
0.64
6.2
51.0
3.7
<0.10
1.5
0.054
<0.0080
Site-1
8/20/2019
0.00
21.3
1 7.55
7.57
72.2
24.0
21.9
<10.0
17.3
<1.0
<5.0
<5.0
16.6
75.2
<10.0
<5.0
<0.20
26.9
<5.0
26.9
3.1
NM
NM
NM
<2.0
0.85
<0.10
<0.50
0.42
12.7
80.0
1 3.2
<0.10
2.1
0.083
<0.0080
9/23/2019
0.00
6.3
7.59
7.37
71.0
47.0
18.0
<10.0
11.2
<1.0
<5.0
<5.0
25.0
49.7
<10.0
<5.0
<0.20
31.5
<5.0
31.5
<2.0
NM
NM
NM
<2.0
<0.52
<0.10
<0.50
0.36
3.0
65.0
3.6
<0.10
1.0
0.054
<0.0080
10/21/2019
1.56
8.22
9.29
7.11
70.4
134.7
14.1
<10.0
11.8
<1.0
<5.0
<5.0
17.5
41.1
<10.0
<5.0
<0.20
1 26.0
<5.0
26.0
<2.0
NM
NM
NM
1 <2.0
<0.52
<0.10
<0.50
1 0.32
4.6
73.0
4.0
<0.10
1.9
0.069
<0.0080
11/19/2019
0.03
3.22
10.97
7.50
1 74.7
36.5
1 9.1
<10.0
1 11.4
<1.0
1 <5.0
<5.0
19.3
28.4
<10.0
1 <5.0
NM
28.9
<5.0
28.9
2.1
1 NM
NM
NM
<2.0
0.56
<0.10
<0.50
0.33
<2.5
65
4.2
<0.10
1.6
<0.050
<0.0080
12/16/2019
1.60
12.1
10.72
7.01
70.8
-145.6
8.2
<10.0
16.6
<1.0
<5.0
<5.0
13.4
45.1
<10.0
<5.0
<0.20
21.4
<5.0
21.4
<2.0
NM
NM
NM
<2.0
1.0
<0.10
<0.50
0.68
5.8
78.0
3.9
<0.10
3.6
0.055
<0.0080
1/27/2020
1.22
11.50
13.05
7.83
61.3
103.5
6.9
<10.0
16.1
<1.0
<5.0
<5.0
11.3
31.1
<10.0
<5.0
<0.20
19.4
<5.0
19.4
4.7
NM
NM
NM
<2.0
0.96
<0.10
<0.50
0.65
6.9
42
3.6
<0.10
3.4
<0.050
<0.0080
2/14/2019
0.72
7.91
19.04
6.59
55.8
251.7
7
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
<5.0
<5.0
<5.0
<5.0
66.5
NS
<0.10
NS
NS
<2.5
NM
NM
NM
NM
<0.050
NM
3/21/2019
0.00
NM
1 12.19
6.93
145.6
108.9
10.6
<10.0
11.0
<1.0
<5.0
<5.0
26.3
13.1
<10.0
<5.0
<0.20
23.1
<5.0
23.1
<5.0
<5.0
<5.0
<5.0
88.0
0.58
<0.10
<0.50
0.39
4.3
57.0
2.7
1 <0.10
1 1.2
<0.050
<0.0080
4/23/2019
1 1.69
9.40
10.70
7.21
64.4
7.5
13.5
<10.0
15.7
<1.0
<5.0
<5.0
32.2
29.4
<10.0
<5.0
<0.20
25
<5.0
25
<5.0
<5.0
<5.0
1 <5.0
<5.0
0.72
<0.10
<0.50
0.47
5.5
107
2.7
<0.10
1.2
0.051
<0.0080
5/23/2019
0.00
NM
8.11
7.15
65.9
36.4
17.7
<10.0
18.1
<1.0
<5.0
<5.0
37.5
28.4
<10.0
<5.0
<0.20
23.4
<5.0
23.4
<5.0
<5.0
<5.0
<5.0
7.0
0.91
<0.10
<0.50
0.54
9.1
85.0
2.7
<0.10
<1.0
0.066
<0.0080
6/13/2019
1.11
13.3
15.96
8.07
63.9
46.0
16.5
<10.0
15.8
1 <1.0
<5.0
1 <5.0
35.8
24.8
1 <10.0
<5.0
<0.20
23.2
<5.0
23.2
<5.0
1 <5.0
<5.0
<5.0
<5.0
0.71
<0.10
<0.50
0.44
4.1
58.0
2.8
<0.10
1.2
<0.050
<0.0080
7/2/2019
0.02
12.1
8.09
6.62
68.1
-52.0
19.8
<10.0
15.0
<1.0
<5.0
<5.0
38.2
27.2
<10.0
<5.0
<0.20
27.0
<5.0
27.0
<5.0
<5.0
<5.0
<5.0
<5.0
0.86
<0.10
<0.50
0.51
7.9
42.0
2.5
<0.10
<1.0
0.052
<0.0080
Site-2
8/20/2019
0.00
16.9
8.05
7.55
68.5
33.3
20.5
<10.0
18.3
<1.0
<5.0
<5.0
37.9
36.2
<10.0
<5.0
<0.20
28.4
<5.0
28.4
2.8
NM
NM
NM
<2.0
0.57
<0.10
<0.50
0.32
11.6
84.0
2.5
<0.10
<1.0
0.072
<0.0080
9/23/2019
0.00
4.51
7.61
7.21
61.5
49.3
16.9
<10.0
12.4
<1.0
<5.0
<5.0
45.9
20.0
<10.0
<5.0
<0.20
30.0
<5.0
30.0
<2.0
NM
NM
NM
<2.0
<0.52
<0.10
<0.50
0.25
2.8
63.0
2.2
<0.10
<1.0
<0.050
<0.0080
10/21/2019
1.56
9.83
1 9.81
7.57
56.4
109.6
14.0
<10.0
12.9
<1.0
<5.0
<5.0
39.5
9.9
<10.0
<5.0
<0.20
28.4
1 <5.0
28.4
<2.0
NM
NM
NM
<2.0
<0.52
<0.10
<0.50
0.28P4.8
53.0
2.6
<0.10
1.1
0.054
<0.0080
11/19/2019
0.03
4.15
10.46
7.26
66.1
41.2
9.8
<10.0
14.0
<1.0
<5.0
<5.0
40.8
6.5
<10.0
<5.0
NM
28.9
<5.0
28.9
<2.0
NM
NM
NM
<2.0
<0.52
<0.10
<0.50
0.24
57.0
2.7
<0.10
<1.0
<0.050
<0.0080
12/16/2019
1.60
7.93
10.09
7.12
63.6
-173.2
9.4
<10.0
14.2
<1.0
<5.0
<5.0
37.6
11.7
<10.0
<5.0
<0.20
22.9
<5.0
22.9
<2.0
NM
NM
NM
<2.0
0.89
<0.10
<0.50
0.65
72.0
3
<0.10
1.5
0.056
<0.0080
1/27/2020
1.22
7.51
12.48
7.54
57.4
88.4
7.5
<10.0
17.6
<1.0
<5.0
<5.0
32.0
13.7
<10.0
<5.0
<0.20
22.4
<5.0
22.4
<2.0
NM
NM
NM
<2.0
0.82
<0.10
<0.50
0.63
42.0
2.8
<0.10
1.4
<0.050
<0.0080
2/14/2019
0.72
9.89
26.75
7.05
61.1
221.7
6.5
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
10.5
<5.0
<5.0
<5.0
15.7
NS
<0.10
NS
NS
NM
NM
NM
NM
<0.050
NM
3/21/2019
0.00
NM
11.80
6.97
151.3
132.2
10.2
<10.0
12.1
<1.0
<5.0
<5.0
10.2
27.3
<10.0
<5.0
<0.20
21.5
<5.0
21.5
<5.0
<5.0
<5.0
<5.0
91.0
0.86
<0.10
<0.50
0.53
57.0
3.5
<0.10
2.7
<0.050
<0.0080
4/23/2019
1.69
10.8
9.60
6.92
68.0
45.2
13.9
<10.0
170.0
<1.0
<5.0
<5.0
12.4
53.4
<10.0
<5.0
<0.20
22.9
<5.0
22.9
<5.0
<5.0
<5.0
<5.0
<5.0
0.92
<0.10
<0.50
0.57
.
120
3.4
<0.10
2.7
<0.050
<0.0080
5/23/2019
0.00
NM
7.65
6.94
69.3
34.2
18.9
<10.0
22.5
<1.0
<5.0
<5.0
19.2
161.0
<10.0
<5.0
<0.20
21.7
<5.0
21.7
<5.0
<5.0
<5.0
<5.0
23.5
2.20
<0.10
1.5
0.66
27.9
74.0
3.7
<0.10
1.7
0.089
<0.0080
6/13/2019
1.11
13.4
15.96
8.07
63.9
46.0
16.5
<10.0
16.6
<1.0
<5.0
<5.0
13.9
49.3
<10.0
<5.0
<0.20
23.3
<5.0
23.3
<5.0
<5.0
<5.0
<5.0
<5.0
0.80
<0.10
<0.50
0.55
5.9
59.0
3.9
<0.10
2.3
<0.50
<0.0080
7/2/2019
0.02
8.15
6.83
7.04
77.0
-79.8
21.4
<10.0
14.5
<1.0
<5.0
<5.0
17.0
55.3
<10.0
<5.0
<0.20
26.5
<5.0
26.5
<5.3
<5.3
<5.3
<5.3
7.1
1.10
<0.10
<0.50
0.64
4.9
61.0
3.7
<0.10
1.4
0.055
<0.0080
Site-3
8/20/2019
0.00
12.2
7.90
7.37
73.3
38.3
21.9
<10.0
19.4
<1.0
1 <5.0
<5.0
1 17.0
112
<10.0
<5.0
<0.20
28.2
<5.0
28.2
4.5
NM
NM
NM
4.9
0.83
<0.10
<0.50
0.44
56.6
69.0
3.5
<0.10
1.6
0.087
<0.0080
9/23/2019
0.00
7.4
7.19
7.14
70.1
52.8
17.7
<10.0
10.9
<1.0
<5.0
<5.0
22.9
51.8
<10.0
<5.0
<0.20
30.5
<5.0
30.5
<2.0
NM
NM
NM
<2.0
0.61
<0.10
<0.50
0.39
<2.5
70.0
3.5
<0.10
1.2
0.051
<0.0080
10/21/2019
1.56
10.5
8.27
7.23
72.5
110.8
14.2
<10.0
11.6
<1.0
<5.0
<5.0
17.4
36.6
<10.0
<5.0
<0.20
26.7
1 <5.0
26.7
<2.0
NM
NM
NM
<2.0
0.71
<0.10
<0.50
0.32
8.1
54.0
4.2
<0.10
1.8
0.059
<0.0080
11/19/2019
0.03
3.98
9.58
7.47
75.2
34.6
9.4
<10.0
12.1
<1.0
<5.0
<5.0
17.9
34.2
<10.0
<5.0
NM
28.5
<5.0
28.5
2.0
1 NM
NM
NM
<2.0
0.6
<0.10
<0.50
0.33I
<2.
.
I5.5
<0.10
2.3
<0.050
<0.0080
12/16/2019
1.60
12.8
10.83
7.07
1 71.2
-160.6
8.6
<10.0
16.2
<1.0
<5.0
<5.0
12.5
43.4
<10.0
<5.0
<0.20
20.6
<5.0
20.6
3.6
NM
NM
NM
<2.0
1.1
<0.10
<0.50
0.69
7.1
76.0
4
<0.10
3.6
0.052
<0.0080
1/27/2020
1.22
11.1
13.34
7.39
61.3
98.2
7.1
<10.0
17.5
0.0
<5.0
<5.0
11.1
35.0
<10.0
<5.0
1 <0.20
19.3
<5.0
1 19.3
4.7
NM
NM
NM
<2.0
1.0
<0.10
<0.50
0.68
6.2
47.0
3.7
<0.10
3.5
0.051
<0.0080
2/14/2019
0.72
7.06
1 14.10
6.73
67.8
232.8
7.0
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
16.0
<5.0
<5.0
<5.0
64.4
NS
<0.10
NS
NS
4.8
NM
NM
NM
NM
<0.050
NM
3/21/2019
0.00
NM
12.80
7.03
156.5
119.5
10.6
<10.0
13.7
1 <1.0
<5.0
<5.0
8.7
21.2
<10.0
<5.0
<0.20
24.8
<5.0
24.8
7.9
<5.9
<5.9
<5.9
107
0.90
<0.10
<0.50
0.54
5.4
66.0
3.6
<0.10
2.9
<0.050
<0.0080
4/23/2019
1.69
9.91
10.10
6.83
74.7
66.3
14.4
<10.0
20.3
0.0
<5.0
<5.0
10.1
39.1
<10.0
<5.0
<0.20
25.9
<5.0
25.9
<5.0
<5.0
<5.0
<5.0
20.5
0.95
<0.10
<0.50
0.61
8
75
3.4
<0.10
2.9
0.053
<0.0080
5/23/2019
0.00
NM
7.94
7.00
78.9
25.2
18.8
<10.0
17.8
<1.0
<5.0
<5.0
14.3
37.0
<10.0
<5.0
<0.20
28.0
<5.0
28.0
<5.0
<5.0
<5.0
<5.0
19.4
1.2
<0.10
<0.50
0.78
5.8
875
3.6
<0.10
1.9
0.064
<0.0080
6/13/2019
1 1.11
11.60
7.79
7.34
78.5
88.9
17.4
<10.0
20.2
0.0
<5.0
<5.0
12.0
36.0
<10.0
<5.0
<0.20
27.2
<5.0
27.2
<5.0
<5.0
<5.0
1 <5.0
<5.0
0.87
<0.10
<0.50
0.58
4.6
76.0
3.8
1 <0.10
2.4
1 <0.050
<0.0080
7/2/2019
0.02
11.4
7.54
7.00
82.9
-84.1
21.7
<10.0
17.5
<1.0
<5.0
<5.0
14.3
50.2
<10.0
<5.0
<0.20
30.1
<5.0
30.1
5.7
<5.3
<5.3
<5.3
9.1
1.20
<0.10
<0.50
0.73
7.0
70.0
3.7
<0.10
1.6
0.07
<0.0080
Site-4
8/20/2019
0.00
9.79
8.53
7.34
80.6
33.3
22.0
<10.0
20.1
0.0
<5.0
<5.0
13.0
57.3
1 <10.0
<5.0
1 <0.20
31.9
<5.0
1 31.9
7.1
NM
NM
NM
<2.0
0.81
<0.10
<0.50
0.48
10.7
78.0
3.6
<0.10
1.9
0.11
<0.0080
9/23/2019
0.00
3.54
1 7.65
6.93
81.6
57.6
18.1
<10.0
1 12.6
<1.0
<5.0
<5.0
20.6
32.7
<10.0
<5.0
<0.20
35.1
<5.0
35.1
<2.0
NM
NM
NM
<2.0
0.77
<0.10
<0.50
0.57
<2.5
72.0
3.7
<0.10
1.3
0.073
<0.0080
10/21/2019
1.56
4.34
8.83
6.74
70.7
102.6
14.4
<10.0
13.4
0.0
<5.0
<5.0
14.4
23.4
<10.0
<5.0
<0.20
30.4
<5.0
30.4
<2.0
NM
NM
NM
<2.0
0.73
<0.10
<0.50
0.41
2.7
69.0
4.3
<0.10
2.3
0.066
<0.0080
11/19/2019
0.03
3.31
11.46
7.18
61.0
42.2
9.6
<10.0
13.8
<1.0
<5.0
1 <5.0
1 15.3
18.4
<10.0
<5.0
NM
33.8
<5.0
33.8
<2.0
NM
NM
NM
<2.0
0.68
<0.10
<0.50
0.38
<2.5
70.0
4.4
<0.10
1.7
0.055
<0.0080
12/16/2019
1.60
8.35
10.21
6.86
78.3
-205.7
9.0
<10.0
18.1
0.0
<5.0
<5.0
10.3
36.0
<10.0
<5.0
<0.20
25.3
<5.0
25.3
3.3
1 NM
NM
NM
<2.0
1.1
<0.10
<0.50
1 0.72
6.7
1 73.0
4.1
<0.10
3.6
0.063
<0.0080
1/27/2020
1.22
9.99
13.18
6.91
67.6
104.4
7.5
<10.0
19.2
0.0
<5.0
<5.0
9.9
27.7
<10.0
<5.0
<0.20
22.5
<5.0
22.5
6.7
NM
NM
NM
1 <2.0
1.1
<0.10
<0.50
0.70
7.7
55.0
3.7
1 <0.10
3.5
0.067
<0.0080
2/14/2019
0.72
10.22
14.41
6.32
1 50.7
190.91
6.8
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
6.6
<5.0
<5.0
<5.0
61.0
NS
<0.10
NS
NS
3.2
NM
NM
NM
NM
<0.050
NM
3/21/2019
0.00
NM
12.18
6.61
140.4
122.4
10.3
<10.0
9.4
<1.0
<5.0
<5.0
10.3
33.3
<10.0
<5.0
<0.20
13.7
<5.0
13.7
<6.4
<6.4
<6.4
<6.4
172
0.79
<0.10
<0.50
0.53
<3.3
48.0
3.6
<0.10
2.4
<0.050
<0.0080
4/23/2019
1.69
10.2
1 9.92
6.71
57.0
45.6
14.2
<10.0
1 13.1
0.0
<5.0
<5.0
13.8
61.9
<10.0
<5.0
<0.20
15.3
<5.0
15.3
<5.0
<5.0
<5.0
<5.0
<5.0
0.84
<0.10
<0.50
0.55
4.8
102
3.5
<0.10
2.4
<0.050
<0.0080
5/23/2019
0.00
NM
7.43
7.01
52.1
38.9
18.8
<10.0
11.7
<1.0
<5.0
<5.0
18.2
58.9
<0.50
<0.40
<0.20
16.6
<5.0
16.6
<5.6
<5.6
<5.6
<5.6
12.9
0.98
<0.10
<0.50
0.57
7.7
160
3.6
<0.10
1.4
1 <0.050
<0.0080
6/13/2019
1.11
11.2
8.08
7.28
50.1
96.6
17.3
<10.0
11.2
0.0
1 <5.0
<5.0
16.8
55.7
<10.0
<5.0
<0.20
15.6
<5.0
15.6
<5.0
<5.0
<5.0
<5.0
<5.0
0.80
<0.10
<0.050
0.54
5.0
47.0
4.0
<0.10
2.1
<0.050
<0.0080
7/2/2019
0.02
10.8
7.77
6.78
63.2
-66.7
21.5
<10.0
10.5
<1.0
<5.0
<5.0
19.4
65.1
<10.0
<5.0
<0.20
21.4
<5.0
21.4
<5.0
<5.0
<5.0
<5.0
<5.0
0.87
<0.10
<0.50
0.53
6.9
45.0
3.8
<0.10
1.2
<0.05
<0.0080
Site-5
8/20/2019
0.00
6.18
8.11
7.36
61.4
31.4
21.8
<10.0
10.9
<1.0
<5.0
<5.0
19.2
79.2
<10.0
<5.0
<0.20
23.0
<5.0
23.0
2.0
NM
NM
NM
1 <2.0
0.71
<0.10
<0.50
0.36
3.0
52.0
3.5
<0.10
0.0
<0.050
<0.0080
9/23/2019
0.00
5.59
7.48
1 7.01
1 54.6
1 42.9
1 17.9
<10.0
8.0
<1.0
<5.0
<5.0
24.2
49.4
1 <10.0
<5.0
<0.20
23.1
<5.0
23.1
<2.0
NM
NM
NM
<2.0
0.53
<0.10
<0.50
0.22
4.3
55.0
3.5
<0.10
1.1
<0.050
<0.0080
10/21/2019
1.56
6.93
9.93
1 6.74
1 59.9
1126.11
14.3
1 <10.0
8.9
0.0
<5.0
<5.0
18.7
33.8
<10.0
<5.0
<0.20
21.5
1 <5.0
21.5
<2.0
NM
NM
NM
<2.0
1 <0.52
1 <0.10
<0.50
0.25
<2.5
45.0
4.2
<0.10
1.3
<0.050
<0.0080
11/19/2019
0.03
1 3.04
1 11.941
7.42
1 60.5
1 39.0
1 9.7
1 <10.0
1 8.9
<1.0
<5.0
<5.0
21.2
45.4
<10.0
<5.0
NM
21.7
<5.0
21.7
<2.0
NM
NM
NM
<2.0
<0.52
<0.10
<0.50
0.26
<2.5
54.0
4.1
<0.10
1.6
<0.050
<0.0080
12/16/2019
1.60
14.4
9.62
6.69
58.9
-199.7
8.7
<10.0
13.8
<1.0
<5.0
<5.0
14.1
51.0
<10.0
<5.0
<0.20
14.7
<5.0
14.7
<2.0
NM
NM
NM
<2,0
0.91
<0.10
<0.50
0.66
5.2
52.0
4.0
<0.10
3.7
<0.050
<0.0080
1/27/2020
1.22
13.5
13.13
7.12
46.3
99.7
7.2
<10.0
13.4
<1.0
<5.0
<5.0
12.6
43.4
<10.0
<5.0
<0.20
14.3
<5.0
14.3
<2.0
NM
NM
NM
<2,0
0.98
<0.10
<0.50
0.62
5.0
47.0
3.7
<0.10
3.3
<0.050
<0.0080

TABLE 4
SUMMARY OF SURFACE WATER QUALITY DATA
PIEDMONT LITHIUM, INC.
GASTON COUNTY, NORTH CAROLINA
Field Measurements
Metals
Alkalinity
Chlorophyll & Pheopytin
Nitrogen
Location
Date
Total
Preci itation
P
in Past72
Hours
Turbidity
(NTU)
DO
(mg/L)
pH
Specific
Conductivity
( /cti
ORP
(mv)
Temperature
(°C)
Arsenic
(pg/L)
Barium
(pg/L)
Cadmium
(pg/L)
Chromium
(pg/L)
Lead
(pg/L)
Lithium
(pg/L)
Manganese
(pg/L)
Selenium
(pg/L)
Silver
(pg/L)
Mercury
(pg/L)
Bicarbonate
(CaCO3)
(mg/L)
Carbonate
(CaCO3)
(mg/L)
Total
(aC0
CaCO3
Chlorophyll a
(mg/m^3)
Chlorophyll b
(mg/m^3)
Chlorophyll c
(mg/m^3)
Chlorophyll a
(Corrected)
(mg/m^3)
Pheophytin
^
(mg/m 3)
Total
Nitrogen
(mg/L)
Nitrogen,
Ammonia
(mg/L)
Total
Kjeldahl
Nitrogen
(mg/L)
Nitrogen,
NO2+NO3
(mg/L)
Total
Suspended
Solids
(mg/L)
Total
Dissolved
Solids
(mg/L)
Chloride
(mg/L)
Fluoride
(mg/L)
Sulfate
(mg/L)
Phosphorus
(mg/L)
Cyanide
(mg/L)
2/14/2019
0.72
7.04
23.62
7.00
67.8
247.2
7.9
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
20.7
<5.0
<5.0
<5.0
52.1
NS
<0.10
NS
NS
5.6
NM
NM
NM
NM
<0.050
NM
3/21/2019
0.00
NM
12.43
6.82
157.1
148.8
11.0
<10.0
15.0
<1.0
<5.0
<5.0
7.5
24.0
<10.0
<5.0
<0.20
24.2
<5.0
24.2
8.9
<5.6
<5.6
<5.6
167
0.94
<0.10
<0.50
0.57
5.9
66.0
3.6
<0.10
2.9
<0.050
<0.0080
4/23/2019
1.69
10.1
9.62
7.05
74.5
80.8
16.1
<10.0
20.9
<1.0
<5.0
<5.0
8.3
43
<10.0
<5.0
<0.20
25.2
<5.0
25.2
<5.0
<5.0
<5.0
<5.0
<5.0
1
<0.10
<0.50
0.63
9.6
101
3.4
<0.10
3.0
0.058
<0.0080
5/23/2019
0.00
NM
7.35
7.04
76.1
26.3
19.2
<10.0
18.7
<1.0
<5.0
<5.0
12.0
54.7
<10.0
<5.0
<0.20
26.2
<5.0
26.2
<5.0
<5.0
<5.0
<5.0
<5.0
1.2
<0.10
<0.50
0.73
6.1
33.0
3.7
<0.10
2.0
0.068
<0.0080
6/13/2019
1.11
11.6
7.88
7.22
78.8
91.1
17.8
<10.0
20.0
<1.0
<5.0
<5.0
9.4
45.7
<10.0
<5.0
<0.20
26.0
<5.0
26.0
<5.0
<5.0
<5.0
<5.0
6.7
0.98
<0.10
<0.50
0.61
5.6
72.0
4.0
<0.10
2.4
<0.050
<0.0080
7/2/2019
0.02
13.8
6.23
7.08
82.6
-85.6
21.9
<10.0
18.7
<1.0
<5.0
<5.0
10.7
73.0
<10.0
<5.0
<0.20
29.4
<5.0
29.4
9.5
<5.0
<5.0
<5.0
5.7
1.40
<0.10
0.63
0.73
8.9
60.0
3.8
<0.10
1.6
0.081
<0.0080
Site-6
8/20/2019
0.00
11.0
1 8.59
7.32
84.9
34.9
22.0
<10.0
19.9
<1.0
<5.0
<5.0
10.8
70.9
<10.0
<5.0
<0.20
33.7
<5.0
33.7
7.6
NM
NM
NM
<2.0
0.93
<0.10
1 <0.50
0.51
8.4
79.0
1 3.7
<0.10
1.8
0.081
<0.0080
9/23/2019
0.00
4.66
7.29
7.17
80.1
45.9
18.1
<10.0
12.7
<1.0
<5.0
<5.0
15.0
58.4
<10.0
<5.0
<0.20
34.3
<5.0
34.3
<2.0
NM
NM
NM
<2.0
0.89
<0.10
<0.50
0.56
<2.5
79.0
3.7
<0.10
1.3
0.075
<0.0080
10/21/2019
1.56
7.87
8.06
6.82
79.0
98.8
1 14.9
<10.0
15.8
<1.0
<5.0
<5.0
11.7
59.8
<10.0
<5.0
<0.20
31.6
<5.0
31.6
2.6
NM
NM
NM
<2.0
0.79
<0.10
<0.50
0.44
5.3
70.0
4.3
<0.10
2.1
0.080
<0.0080
11/19/2019
0.03
6.20
11.01
7.41
85.5
39.7
10.1
<10.0
15.3
<1.0
<5.0
<5.0
12.4
41.6
<10.0
<5.0
NM
33.3
<5.0
33.3
5.3
NM
NM
NM
1 <2.0
0.93
<0.10
0.5
0.43
<2.5
75.0
4.6
<0.10
1.9
0.062
<0.0080
12/16/2019
1.60
7.93
9.48
6.82
1 79.3
-201.9
9.7
<10.0
1 19
<1.0
1 <5.0
<5.0
1 9.5
1 42.3
<10.0
<5.0
<0.20
1 25.0
<5.0
25.0
1 6.7
NM
NM
NM
<2.0
1.2
<0.10
0.51
0.71
4.9
62.0
4.1
<0.10
3.7
0.064
<0.0080
1/27/2020
1.22
9.70
12.66
6.91
67.6
103.5
8.0
<10.0
20.0
<1.0
<5.0
<5.0
8.4
31.3
<10.0
<5.0
<0.20
22.2
<5.0
22.2
8.1
NM
NM
NM
<2.0
1.2
<0.10
<0.50
0.71
7.6
50.0
3.7
<0.10
3.5
0.070
<0.0080
2/14/2019
0.72
6.64
19.03
6.91
66.4
221.8
9.1
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
19.7
<5.0
<5.0
14.6
7.5
NS
<0.10
NS
NS
7.2
NM
NM
NM
NM
<0.050
NM
3/21/2019
0.00
NM
1 11.56
6.74
156.1
113.9
11.5
<10.0
16.3
<1.0
<5.0
<5.0
6.4
23.3
<10.0
<5.0
<0.20
23.3
<5.0
23.3
10.2
<5.3
<5.3
<5.3
150
0.92
1 <0.10
<0.50
<0.55
6.5
1 65.0
3.7
<0.10
3.1
<0.050
<0.0080
4/23/2019
1.69
9.65
9.44
6.91
71.6
88.8
17.0
<10.0
21
<1.0
<5.0
<5.0
6.8
39.5
<10.0
<5.0
<0.20
24.2
<5.0
24.2
11.0
7.5
13.0
14.8
<5.0
1.1
<0.10
<0.50
0.62
10.8
84
3.5
<0.10
3.1
0.056
<0.6080
5/23/2019
1 0.00
NM
7.48
7.03
77.0
27.4
1 19.1
<10.0
19.5
<1.0
<5.0
<5.0
9.9
70.9
<10.0
<5.0
<0.20
25.8
<5.0
25.8
<5.0
<5.0
<5.0
<5.0
<5.0
1.4
<0.10
0.67
0.71
13.7
<25.0
3.8
<0.10
2.1
0.059
<0.0080
6/13/2019
1.11
9.00
7.73
6.97
79.3
84.8
18.3
<10.0
19.7
1 <1.0
<5.0
<5.0
7.8
50.3
<10.0
<5.0
<0.20
24.7
1 <5.0
<24.7
5.1
<5.0
<5.0
<5.0
<5.0
0.92
<0.10
<0.50
0.64
4.1
69.0
4.8
<0.10
2.6
<0.050
<0.0080
7/2/2019
0.02
8.86
7.08
6.73
79.7
-84.1
21.9
<10.0
18.5
<1.0
<5.0
<5.0
8.2
78.1
<10.0
<5.0
<0.20
27.4
<5.0
27.2
9.4
<5.0
<5.0
<5.0
<5.0
1.10
<0.10
<0.50
0.68
7.7
66.0
3.9
<0.10
1.7
0.069
<0.0080
Site-7
8/20/2019
0.00
11.2
8.61
7.52
84.7
33.6
21.9
<10.0
22.0
<1.0
<5.0
<5.0
8.0
112
<10.0
<5.0
<0.20
33.4
<5.0
33.4
9.5
NM
NM
NM
<2.0
1.5
<0.10
1
0.45
13.4
69.0
4.0
<0.10
1.9
0.170
<0.0080
9/23/2019
0.00
8.5
7.96
6.84
77.6
60.7
18.8
<10.0
16.0
<1.0
<5.0
<5.0
10.8
115
<10.0
<5.0
<0.20
33.4
<5.0
33.4
3.1
NM
NM
NM
<2.0
0.69
<0.10
<0.50
0.40
5.1
81.0
3.9
<0.10
1.5
1 0.075
<0.0080
10/21/2019
1.56
8.49
1 8.39
6.31
79.9
121.2
14.6
<10.0
17.8
<1.0
<5.0
<5.0
8.2
103
<10.0
1 <5.0
<0.20
29.9
<5.0
29.9
<2.0
NM
NM
NM
<2.0
0.59
<0.10
<0.50
0.39
9.6
1 66.0
5.7
<0.10
2.3
0.078
<0.0080
11/19/2019
0.03
4.14
9.96
7.09
84.6
46.2
10.0
<10.0
16.5
<1.0
<5.0
<5.0
9.2
63.9
<10.0
<5.0
NM
31.9
<5.0
31.9
2.4
NM
NM
NM
<2.0
0.95
<0.10
0.55
0.41
<2.5
76.0
5.0
<0.10
2.2
0.057
<0.0080
112/16/20191
1.60
6.90
9.34
6.68
68.4
-227.2
10.1
<10.0
19.8
<1.0
<5.0
<5.0
7.6
52.5
<10.0
<5.0
<0.20
25.0
<5.0
25.0
2.4
NM
NM
NM
<2.0
1.2
<0.10
0.5
0.72
4.6
93.0
4.3
<0.10
3.9
0.062
<0.0080
1/27/2020
1.22
9.85
12.30
6.72
59.5
92.6
8.3
<10.0
19.8
<1.0
<5.0
<5.0
6.7
31.5
<10.0
<5.0
<0.20
21.3
<5.0
21.3
13.8
NM
NM
NM
<2.0
1.2
<0.10
<0.50
0.69
7.6
50.0
3.8
<0.10
3.8
0.069
<0.0080
NCAC 2B Standards
<50
6.0 - 9.0
-
-
10.0
1000
NA
11
NA
-
-
5
1 NA
1 0.012
-
-
40
-
-
-
10
-
500
250
1.8
250
-
5
Notes.
NTU - nephelometric turbidity units
mg/L - miligrams per liter
SU - standard units
pS/cm - microsiemens per centimeter
my - milivolt
mg/m^3 - miligram per meter cubed
NM - not measured
NS -not sampled
NA - not applicable; surface water standards for these constituents are hardness dependent
-- - no established NCAC 2L Standard for analyte
0.72 - non -ambient; Precipitation in the 72 hours prior to sampling was greater than 0.1 inch
Precipitation amonutswere taken from CoCoRaHS

This page intentionally left blank.

This page intentionally left blank.

FN
440 S Church Street, Suite 1000
Charlotte, NC 28202-2075
704.338.6700
hdrinc.com
© 2020 HDR, Inc., all rights reserved

This page intentionally left blank.

FN
440 S Church Street, Suite 1000
Charlotte, NC 28202-2075
704.338.6700
hdrinc.com
© 2021 HDR, Inc., all rights reserved