NC0085812_Split Sampling - Grassy Branch WWTP_20231127

Action History (UTC-05:00) Eastern Time (US & Canada)
Submit by Anonymous User 11/27/2023 12:19:45 PM (Supplemental Submittal)
Submit by bradley.bennett 7/10/2024 2:15:56 PM (Supplemental Info Submittal)
• The task was assigned to Wren.Thedford, bradley.bennett 11/27/2023 12:19:46 PM
• bradley.bennett assigned the task to bradley.bennett 11/27/2023 2:40:11 PM

Initial Review Information
.........
Updated ID#: * IMPORTANT: REVIEWER SHOULD VERIFY and revise here if necessary.
NCO085812
How should this project be handled?*
File Discard
Information Submitted on 11/27/2023
Submitter Information
Name: Rick Mareth
Who is submitting the information?
Email Address:* [e-mail]
Submittal Information
The Division of Water Resources (DWR) is providing this site to allow for the upload of required supplemental information
associated with discharge monitoring reports (DMR). All DMR data is required to be submitted electronically through
the eDMR system and should not be submitted here. Division staff will review all uploaded documents and will only
maintain required information. Documents such as laboratory reports are not required to be submitted and will not be
maintained in the system.
Project Information:
Please supply the permit number for this project.
...............................................................................................................................
Existing ID#* Permit Number
NCO085812
Examples: NCxxxxxxx or NCGxxxxxx
Facility Name:* Grassy Branch WWTP
County: Union
Please upload all files that need to be submited. *
Click the upload button or drag and drop files here to attach document
92691148_frc.pdf
968.73KB
92692467_frc (1).pdf
951.38KB
92693754_frc. pdf
1.19M B
92694889_frc. pdf
1.39M B
92696016_frc. pdf
1.15M B
Only pdf files are accepted.
Please provide descriptive comments about the attached information.
Attached are the sample results from Pace Analytical services, LLC for split sampling of Grassy Branch WWTP.

* By checking the box and signing box below, I certify that:
• I have given true, accurate, and complete information on this form;
• I agree that submission of this Supplemental Information form is a "transaction" subject to Chapter 66, Article 40 of the
NC General Statutes (the "Uniform Electronic Transactions Act')
• I agree to conduct this transaction by electronic means pursuant to Chapter 66, Article 40 of the NC General Statutes
(the "Uniform Electronic Transactions Act');
• I understand that an electronic signature has the same legal effect and can be enforced in the same way as a written
signature; AND
• I intend to electronically sign and submit the Supplemental Information form."
Full Name: Rick James Mareth
Signature:
Cf,W v e; %Y'? t*
Date Submitted: 11/27/2023

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
October 11, 2023
Rick Mareth
Union County Public Works
4015 Sardis Church Rd.
Waxhaw, NC 28173
RE: Project: Weekly Sample Set
Pace Project No.: 92691148
Dear Rick Mareth:
Enclosed are the analytical results for sample(s) received by the laboratory on October 03, 2023. 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 Services -Asheville
• Pace Analytical Services - Charlotte
If you have any questions concerning this report, please feel free to contact me.
Sincerely,
Sara Poulson
[e-mail]
704-977-0964
Project Manager
Enclosures
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 15

Project: Weekly Sample Set
Pace Project No.: 92691148
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Pace Analytical Services Charlotte
South Carolina Laboratory ID: 99006
9800 Kincey Ave. Ste 100, Huntersville, NC 28078
North Carolina Drinking Water Certification #: 37706
North Carolina Field Services Certification #: 5342
North Carolina Wastewater Certification #: 12
South Carolina Laboratory ID: 99006
Pace Analytical Services Asheville
2225 Riverside Drive, Asheville, NC 28804
Florida/NELAP Certification #: E87648
North Carolina Drinking Water Certification #: 37712
North Carolina Wastewater Certification #: 40
CERTIFICATIONS
South Carolina Certification #: 99006001
South Carolina Drinking Water Cert. #: 99006003
Florida/NELAP Certification #: E87627
Kentucky UST Certification #: 84
Louisiana DoH Drinking Water#: LA029
Virginia/VELAP Certification #: 460221
South Carolina Laboratory ID: 99030
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 15

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
SAMPLE ANALYTE COUNT
Project:
Pace Project No.:
Weekly Sample Set
92691148
Analytes
Lab ID
Sample ID
Method
Analysts
Reported
Laboratory
92691148001
UCGB-INF
SM 2540D-2015
RVS
1
PASI-A
SM 521 OB-2016
KO
1
PASI-A
EPA 350.1 Rev 2.0 1993
NCF
1
PASI-A
92691148002
UCGB-EFF
SM 254OD-2015
RVS
1
PASI-A
SM 521 OB-2016
KO
1
PASI-A
EPA 350.1 Rev 2.0 1993
NCF
1
PASI-A
92691148003
UCGB-EFF
SM 9222D-2015
KDF
1
PASI-C
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 3 of 15

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: Weekly Sample Set
Pace Project No.: 92691148
Sample: UCGB-INF
Lab ID: 92691148001 Collected: 10/03/23 09:18
Received: 10/03/23 13:13 Matrix: Water
Parameters
Results Units Report Limit DF
Prepared Analyzed CAS No. Qual
2540D Total Suspended Solids
Analytical Method: SM 2540D-2015
Pace Analytical Services - Asheville
Total Suspended Solids
483 mg/L 83.3 1
10/04/23 17:13
5210B BOD, 5 day
Analytical Method: SM 521 OB-2016
Pace Analytical Services - Asheville
BOD, 5 day
185 mg/L 2.0 1
10/04/23 07:17 10/09/23 11:06
350.1 Ammonia
Analytical Method: EPA 350.1 Rev 2.0 1993
Pace Analytical Services - Asheville
Nitrogen, Ammonia
53.9 mg/L 1.0 10
10/11/23 09:23 7664-41-7
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 10/11 /2023 02:12 PM without the written consent of Pace Analytical Services, LLC. Page 4 of 15

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: Weekly Sample Set
Pace Project No.: 92691148
Sample: UCGB-EFF
Lab ID: 92691148002 Collected: 10/03/23 09:07
Received: 10/03/23 13:13 Matrix: Water
Parameters
Results Units Report Limit DF
Prepared Analyzed CAS No. Qual
2540D Total Suspended Solids
Analytical Method: SM 2540D-2015
Pace Analytical Services - Asheville
Total Suspended Solids
2.7 mg/L 2.5 1
10/04/23 17:13
5210B BOD, 5 day
Analytical Method: SM 521 OB-2016
Pace Analytical Services - Asheville
BOD, 5 day
ND mg/L 2.0 1
10/04/23 07:17 10/09/23 11:01
350.1 Ammonia
Analytical Method: EPA 350.1 Rev 2.0 1993
Pace Analytical Services - Asheville
Nitrogen, Ammonia
0.49 mg/L 0.10 1
10/11/23 07:07 7664-41-7
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 10/11 /2023 02:12 PM without the written consent of Pace Analytical Services, LLC. Page 5 of 15

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: Weekly Sample Set
Pace Project No.: 92691148
Sample: UCGB-EFF Lab ID: 92691148003 Collected: 10/03/23 08:53 Received: 10/03/23 13:13 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
MBIO 9222D Fecal Coliform CHT Analytical Method: SM 9222D-2015 Preparation Method: SM 9222D-2015
Pace Analytical Services - Charlotte
Fecal Coliforms 1.0 CFU/100 mL 1.0 1 10/03/23 15:45 10/04/23 13:49
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 10/11 /2023 02:12 PM without the written consent of Pace Analytical Services, LLC. Page 6 of 15

QUALITY CONTROL DATA
Project: Weekly Sample Set
Pace Project No.: 92691148
QC Batch: 803896 Analysis Method: SM 9222D-2015
QC Batch Method: SM 9222D-2015 Analysis Description: 9222D Fecal Coliform(MF) - CHT
Laboratory: Pace Analytical Services - Charlotte
Associated Lab Samples: 92691148003
METHOD BLANK: 4163526 Matrix: Water
Associated Lab Samples: 92691148003
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Fecal Coliforms CFU/100 mL ND 1.0 10/04/23 13:49
SAMPLE DUPLICATE: 4163527
Parameter
Fecal Coliforms
92691238003 Dup
Units Result Result RPD Qualifiers
CFU/100 mL 200 260 26 D6
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
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: 10/11 /2023 02:12 PM without the written consent of Pace Analytical Services, LLC.
Page 7 of 15

QUALITY CONTROL DATA
Project: Weekly Sample Set
Pace Project No.: 92691148
QC Batch: 804164 Analysis Method: SM 2540D-2015
QC Batch Method: SM 254OD-2015 Analysis Description: 2540D Total Suspended Solids
Laboratory: Pace Analytical Services - Asheville
Associated Lab Samples: 92691148001, 92691148002
METHOD BLANK: 4164831
Associated Lab Samples: 92691148001, 92691148002
Parameter
Units
Total Suspended Solids
mg/L
LABORATORY CONTROL SAMPLE:
4164832
Parameter
Units
Total Suspended Solids
mg/L
SAMPLE DUPLICATE: 4164833
Parameter
Units
Total Suspended Solids
mg/L
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Matrix: Water
Blank Reporting
Result Limit Analyzed Qualifiers
ND 2.5 10/04/2317:08
Spike LCS LCS % Rec
Conc. Result % Rec Limits Qualifiers
250 256 102 90-110
92691297001 Dup
Result Result RPD Qualifiers
380 420 10
SAMPLE DUPLICATE: 4164887
92691238001 Dup
Parameter Units Result Result
Total Suspended Solids mg/L 86.0 80.0
RPD Qualifiers
7
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: 10/11 /2023 02:12 PM without the written consent of Pace Analytical Services, LLC. Page 8 of 15

QUALITY CONTROL DATA
Project: Weekly Sample Set
Pace Project No.: 92691148
QC Batch: 803941 Analysis Method: SM 521 OB-2016
QC Batch Method: SM 521 OB-2016 Analysis Description: 5210B BOD, 5 day
Laboratory: Pace Analytical Services - Asheville
Associated Lab Samples: 92691148001, 92691148002
METHOD BLANK: 4163729
Associated Lab Samples: 92691148001, 92691148002
Parameter Units
BOD, 5 day mg/L
LABORATORY CONTROL SAMPLE: 4163731
Parameter Units
BOD, 5 day mg/L
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Matrix: Water
Blank Reporting
Result Limit Analyzed Qualifiers
ND 2.0 10/09/23 09:23
Spike LCS LCS % Rec
Cone. Result % Rec Limits Qualifiers
198 197 99 84.6-115
SAMPLE DUPLICATE: 4163732
92691238001 Dup
Parameter Units Result Result
BOD, 5 day mg/L 143 140
RPD Qualifiers
2
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: 10/11 /2023 02:12 PM without the written consent of Pace Analytical Services, LLC. Page 9 of 15

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: Weekly Sample Set
Pace Project No.: 92691148
QC Batch: 805419 Analysis Method: EPA 350.1 Rev 2.0 1993
QC Batch Method: EPA 350.1 Rev 2.0 1993 Analysis Description: 350.1 Ammonia
Laboratory: Pace Analytical Services - Asheville
Associated Lab Samples: 92691148001, 92691148002
METHOD BLANK: 4170833 Matrix: Water
Associated Lab Samples: 92691148001, 92691148002
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Nitrogen, Ammonia mg/L ND 0.10 10/11/23 06:55
LABORATORY CONTROL SAMPLE: 4170834
Spike LCS LCS % Rec
Parameter Units Cone. Result % Rec Limits Qualifiers
Nitrogen, Ammonia mg/L 5 5.0 100 90-110
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 4170835 4170836
MS MSD
92691121001 Spike Spike MS MSD MS MSD % Rec
Parameter Units Result Cone. Cone. Result Result % Rec % Rec Limits RPD Qual
Nitrogen, Ammonia mg/L ND 5 5 5.0 5.0 99 99 90-110 0
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 4170837 4170838
MS MSD
92691148001 Spike Spike MS MSD MS MSD % Rec
Parameter Units Result Cone. Cone. Result Result % Rec % Rec Limits RPD Qual
Nitrogen, Ammonia mg/L 53.9 5 5 59.1 58.5 105 92 90-110 1
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: 10/11 /2023 02:12 PM without the written consent of Pace Analytical Services, LLC.
Page 10 of 15

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALIFIERS
Project: Weekly Sample Set
Pace Project No.: 92691148
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 ofAcrolein 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.
Reported results are not rounded until the final step prior to reporting. Therefore, calculated parameters that are typically reported as
"Total" may vary slightly from the sum of the reported component parameters.
Pace Analytical is TNI accredited. Contact your Pace PM for the current list of accredited analytes.
TNI - The NELAC Institute.
ANALYTE QUALIFIERS
D6 The precision between the sample and sample duplicate exceeded laboratory control limits.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 10/11 /2023 02:12 PM without the written consent of Pace Analytical Services, LLC. Page 11 of 15

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA CROSS REFERENCE TABLE
Project:
Pace Project No.:
Weekly Sample Set
92691148
Analytical
Lab ID
Sample ID
QC Batch Method
QC Batch
Analytical Method
Batch
92691148003
UCGB-EFF
SM 9222D-2015
803896
SM 9222D-2015
803897
92691148001
UCGB-INF
SM 2540D-2015
804164
92691148002
UCGB-EFF
SM 2540D-2015
804164
92691148001
UCGB-INF
SM 5210B-2016
803941
SM 5210B-2016
803965
92691148002
UCGB-EFF
SM 5210B-2016
803941
SM 5210B-2016
803965
92691148001
UCGB-INF
EPA 350.1 Rev 2.0 1993
805419
92691148002
UCGB-EFF
EPA 350.1 Rev 2.0 1993
805419
Date: 10/11/2023 02:12 PM
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 15

.qace
DC#_Title: ENV-FRM-HUN1-0083 02_5ample Condition Upon Receipt
Effective Date: 11/14/2022
Laboratory receiving samples:
Asheville ❑ Eden❑ Greenwood ❑ Huntersville ❑ Raleigh[] Mechanicsvillen Atlant;1-1 Karnarcuilloll
Sample Condition I Client Name: �C'WO# : 92691148
.t 1 c;�.
Project #:
�f1r�fl�V
Courier: ❑Fed Ex ❑UPS f! ❑LISPS ❑Client
❑ Commercial [2pace ❑Other: 92691146
Custody Seal Present? Oyes QNo Seals intact? ❑Yes ❑No
Packing Material: ❑Bubble Wrap V Bubble Bags []None ❑ Other
Thermometer: �1
V IR Gun iD: i ( Type of Ice: ]Wet ❑Blue
Correction Factor:
Cooler Temp: Add/Subtract ('CI
Cooler Temp Corrected (,p):
USDA Regulated Soil (V N/A, water sample)
Did samples ariginate in a quarantine zone within the United States: CA, NY, or SC
[check maasi? FYes FlNo
date/Initials Person Examining Contents: T 'C
Biological Tissue Frozen?
❑Yes ❑No QN/A
(-]None
Temp should be above freezing to 6°C
[]Samples out of temp criteria, Samples on ice, coaling process
has begun
Did samples originate from a foreign source ('usternatianally,
inri,,&no .„d Pnnrtn Pi—v, MY— I—Im.
Comments/Discrepancy:
Chain of Custody Present?
gi Yes
❑No
❑N/A
1.
Samples Arrived within Hold Time?
liyLs
❑'vo
❑N/A
2
Short Hold Time Analysis (c72 hr.)?
ZYes
❑Nc
❑N/A
3.
Rush Turn Around Time Requested?
❑Yes
©rio
❑N/A
4.
Sufficient Volume?
DYes
❑Nc
❑N/A
5.
Correct Containers Used?
-Pace Containers Used?
dyes
ClYes
❑No
❑No
❑N/A
❑N/A
6.
Containers Intact?
dyes
❑No
❑N/A
7.
Dissolved analysis: Samples Field Filtered?
[]Yes
CDNo
❑N/A
a.
Sample Labels Match COO
-Includes 0ate/Time/ID/Analysis Matrix:
wes
❑No
❑N/A
4.
Headspace in VOA Vials (>5-6mm)?
❑Yes
(-]NO
QN/n
lD.
Trip Blank Present?
Trip Blank Custody Seals Present?
Dyes
❑Yes
I❑Na
My o
❑N/A
❑N/A
11,
COMMENTS/SAMPLE DISCREPANCY
Lot ID of split containers:
CLIENT NOTIFICATION/RESOLUTION
Person contacted: Date/Time:
Project Manager SCURF Review: Date:
Project Manager 5RF Review: Date:
Field Data Required? ❑Yes ❑No
Qualtrax ID: 69614 page 1 of 2 Page 13 of 15

1- aee DC# - Title: ENV-FRM-HUN1-0083 v02 -Samp(e Condition Upon Receipt
Effective Date: 11/14/2022
*Check mark top half of box if pH and/or dechlorination is verified and Project p
within the acceptance range for preservation samples.
Exceptions: VOA, Coliform, TOC, Oil and Grease, DR0/8015 (water) DOC, LLHg
"Bottom half of box is to list number of bottles
***Check all unpreserved Nitrates for chlorine
rWO#:92691148
PM: SC Due Date: 10/12/23
CLIENT: 92-Union Cou
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Out of hold, incorrect preservative, out of temp, incorrect containers.
Qualtrax ID: 69614 Page 2 of 2 Page 14 of 15

9000 Kincey Ave #100
j ce Huntersvitle, NC 28076 (7041875.9092
u North Carolina Wastewater Certification #,12
WEEKLY SAMPLE SET
CLIENT: Union County
SEND REPORT TO: Jonathan Jordan, Rick Mareth
FACILITY: Grassy Branch WWTP, NCO085812
4600 Goldmine Rd.
Monroe, NC 28112
ADDRESS: 1629 Old Fish Road Monroe, NC 28110
Sample Collection
Data
Sam le Container
Preservative
c r
Anal
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SAMPLE ID
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O
Z
O
Cn
C.
2
O
m
U
N
m
7 m
m �'
m
O
O
m
cn
d
0
O
0
CD
c%i
O
H
Oco
ul
it I
M
Z
I
2
Z
Y
Z
m
UCGB-INF
P
101 z/z 3
C,f SC,
1c/S z 3
C l /5
1-/31z3
c y I
N
Q
P
1
N
X
X
UCGB•INF
P
N
Q
P
1
N
X
UCGB•INF
�'
N
Q
P
1
n
I
I X
UCGB•EFF
!o zlz 3
I3G
l0 3 jz3
0f 0?-In�3
2 3
cyo
N
Q
P
1
0
Q
X
X
UCGB-EFF
p
Ip�`
N
Q
P
1
X
UCGB-EFF
1 I=
N
Q
P
1
r
X
UCGB-EFFG
I°%3/z3
boS3
N
G
P
1
N
X
LLL
Sample Tyne Codes: Comments:
Sample Temp at Collection:
INF: °C
EFF: (, aC
Q (Flow) = Automatic Flow Proportioned Sample FECAL •
T (Time) =Automatic Time Proportioned Sample
°C
"C
Sample Temp at Receiving in Lab:
INF,
EFF;
Rp H (Hand) = Hand Composite Sample Relinquished by (Signature):
0 G (Grab? = Grab Sample
Sample Temp of EFF Fecal Sample at Receiving
°C
in Lab (record only if collected):
Relinquished by{Si afore}:
O Container Type Codes: jzkz
Zero Headspace & Teflon septa for VOAs: YES NO NIA
A = Amber Glass P = Plastic Rel' quished by (Signature):
N GL = Clear Glass B = Bag
Samples in Proper Containers: YES NO NIA
M TL - Teflon Lined Cap Relinquished by {Signature):
O
Z VOA = 40 ml G€ass vial
Chlorinated Samples De -Chlorinated: YES NO NIA
Page 15 of 15

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
October 17, 2023
Rick Mareth
Union County Public Works
4015 Sardis Church Rd.
Waxhaw, NC 28173
RE: Project: Weekly Sample Set
Pace Project No.: 92692467
Dear Rick Mareth:
Enclosed are the analytical results for sample(s) received by the laboratory on October 10, 2023. 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 Services -Asheville
• Pace Analytical Services - Charlotte
If you have any questions concerning this report, please feel free to contact me.
Sincerely,
Sara Poulson
[e-mail]
704-977-0964
Project Manager
Enclosures
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 16

Project: Weekly Sample Set
Pace Project No.: 92692467
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Pace Analytical Services Charlotte
South Carolina Laboratory ID: 99006
9800 Kincey Ave. Ste 100, Huntersville, NC 28078
North Carolina Drinking Water Certification #: 37706
North Carolina Field Services Certification #: 5342
North Carolina Wastewater Certification #: 12
South Carolina Laboratory ID: 99006
Pace Analytical Services Asheville
2225 Riverside Drive, Asheville, NC 28804
Florida/NELAP Certification #: E87648
North Carolina Drinking Water Certification #: 37712
North Carolina Wastewater Certification #: 40
CERTIFICATIONS
South Carolina Certification #: 99006001
South Carolina Drinking Water Cert. #: 99006003
Florida/NELAP Certification #: E87627
Kentucky UST Certification #: 84
Louisiana DoH Drinking Water#: LA029
Virginia/VELAP Certification #: 460221
South Carolina Laboratory ID: 99030
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 16

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
SAMPLE ANALYTE COUNT
Project:
Pace Project No.:
Weekly Sample Set
92692467
Analytes
Lab ID
Sample ID
Method
Analysts
Reported
Laboratory
92692467001
UCGB-INF
SM 2540D-2015
RVS
1
PASI-A
SM 521 OB-2016
KO
1
PASI-A
EPA 350.1 Rev 2.0 1993
NCF
1
PASI-A
92692467002
UCGB-EFF
SM 254OD-2015
RVS
1
PASI-A
SM 521 OB-2016
KO
1
PASI-A
EPA 350.1 Rev 2.0 1993
NCF
1
PASI-A
92692467003
UCGB-EFF
SM 9222D-2015
KDF
1
PASI-C
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 3 of 16

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: Weekly Sample Set
Pace Project No.: 92692467
Sample: UCGB-INF
Lab ID: 92692467001 Collected: 10/10/23 09:34
Received: 10/10/23 13:30 Matrix: Water
Parameters
Results Units Report Limit DF
Prepared Analyzed CAS No. Qual
2540D Total Suspended Solids
Analytical Method: SM 2540D-2015
Pace Analytical Services - Asheville
Total Suspended Solids
665 mg/L 125 1
10/12/23 17:10
5210B BOD, 5 day
Analytical Method: SM 521 OB-2016
Pace Analytical Services - Asheville
BOD, 5 day
153 mg/L 2.0 1
10/11/23 15:55 10/16/23 11:46
350.1 Ammonia
Analytical Method: EPA 350.1 Rev 2.0 1993
Pace Analytical Services - Asheville
Nitrogen, Ammonia
55.0 mg/L 1.0 10
10/17/23 05:44 7664-41-7
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 10/17/2023 09:05 AM without the written consent of Pace Analytical Services, LLC. Page 4 of 16

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: Weekly Sample Set
Pace Project No.: 92692467
Sample: UCGB-EFF
Lab ID: 92692467002 Collected: 10/10/23 09:14
Received: 10/10/23 13:30 Matrix: Water
Parameters
Results Units Report Limit DF
Prepared Analyzed CAS No. Qual
2540D Total Suspended Solids
Analytical Method: SM 2540D-2015
Pace Analytical Services - Asheville
Total Suspended Solids
ND mg/L 2.5 1
10/12/23 17:10
5210B BOD, 5 day
Analytical Method: SM 521 OB-2016
Pace Analytical Services - Asheville
BOD, 5 day
ND mg/L 2.0 1
10/11/23 15:55 10/16/23 11:44
350.1 Ammonia
Analytical Method: EPA 350.1 Rev 2.0 1993
Pace Analytical Services - Asheville
Nitrogen, Ammonia
0.25 mg/L 0.10 1
10/17/23 05:48 7664-41-7
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 10/17/2023 09:05 AM without the written consent of Pace Analytical Services, LLC. Page 5 of 16

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: Weekly Sample Set
Pace Project No.: 92692467
Sample: UCGB-EFF Lab ID: 92692467003 Collected: 10/10/23 09:24 Received: 10/10/23 13:30 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
MBIO 9222D Fecal Coliform CHT Analytical Method: SM 9222D-2015 Preparation Method: SM 9222D-2015
Pace Analytical Services - Charlotte
Fecal Coliforms 1.0 CFU/100 mL 1.0 1 10/10/23 16:01 10/11/23 16:01
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 10/17/2023 09:05 AM without the written consent of Pace Analytical Services, LLC. Page 6 of 16

QUALITY CONTROL DATA
Project: Weekly Sample Set
Pace Project No.: 92692467
QC Batch: 805432 Analysis Method: SM 9222D-2015
QC Batch Method: SM 9222D-2015 Analysis Description: 9222D Fecal Coliform(MF) - CHT
Laboratory: Pace Analytical Services - Charlotte
Associated Lab Samples: 92692467003
METHOD BLANK: 4170886 Matrix: Water
Associated Lab Samples: 92692467003
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Fecal Coliforms CFU/100 mL ND 1.0 10/11/23 16:01
SAMPLE DUPLICATE: 4170887
Parameter
Fecal Coliforms
92692474005 Dup
Units Result Result RPD Qualifiers
CFU/100 mL 1.0 ND
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
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: 10/17/2023 09:05 AM without the written consent of Pace Analytical Services, LLC.
Page 7 of 16

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: Weekly Sample Set
Pace Project No.: 92692467
QC Batch: 805965 Analysis Method: SM 2540D-2015
QC Batch Method: SM 254OD-2015 Analysis Description: 2540D Total Suspended Solids
Laboratory: Pace Analytical Services - Asheville
Associated Lab Samples: 92692467001, 92692467002
METHOD BLANK: 4173769 Matrix: Water
Associated Lab Samples: 92692467001, 92692467002
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Total Suspended Solids mg/L ND 2.5 10/12/23 17:07
LABORATORY CONTROL SAMPLE: 4173770
Spike LCS LCS % Rec
Parameter Units Conc. Result % Rec Limits Qualifiers
Total Suspended Solids mg/L 250 244 97 90-110
SAMPLE DUPLICATE: 4173972
92692458001 Dup
Parameter Units Result Result RPD Qualifiers
Total Suspended Solids mg/L 121 121 1
SAMPLE DUPLICATE: 4173973
92692474002 Dup
Parameter Units Result Result RPD Qualifiers
Total Suspended Solids mg/L 148 122 19
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: 10/17/2023 09:05 AM without the written consent of Pace Analytical Services, LLC. Page 8 of 16

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: Weekly Sample Set
Pace Project No.: 92692467
QC Batch: 805572 Analysis Method: SM 521 OB-2016
QC Batch Method: SM 521 OB-2016 Analysis Description: 5210B BOD, 5 day
Laboratory: Pace Analytical Services - Asheville
Associated Lab Samples: 92692467001, 92692467002
METHOD BLANK: 4171355 Matrix: Water
Associated Lab Samples: 92692467001, 92692467002
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
BOD, 5 day mg/L ND 2.0 10/16/23 10:16
LABORATORY CONTROL SAMPLE:
4171357
Spike LCS LCS
% Rec
Parameter
Units
Conc. Result % Rec
Limits Qualifiers
BOD, 5 day
mg/L
198 179 91
84.6-115
SAMPLE DUPLICATE: 4171358
92692462002 Dup
Parameter
Units
Result Result RPD
Qualifiers
BOD, 5 day
mg/L
3030 2650
13
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: 10/17/2023 09:05 AM without the written consent of Pace Analytical Services, LLC. Page 9 of 16

QUALITY CONTROL DATA
Project: Weekly Sample Set
Pace Project No.: 92692467
QC Batch: 806747 Analysis Method: EPA 350.1 Rev 2.0 1993
QC Batch Method: EPA 350.1 Rev 2.0 1993 Analysis Description: 350.1 Ammonia
Laboratory: Pace Analytical Services - Asheville
Associated Lab Samples: 92692467001
METHOD BLANK: 4177779
Associated Lab Samples: 92692467001
Parameter Units
Nitrogen, Ammonia mg/L
LABORATORY CONTROL SAMPLE: 4177780
Parameter Units
Nitrogen, Ammonia mg/L
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Matrix: Water
Blank Reporting
Result Limit Analyzed Qualifiers
ND 0.10 10/17/23 05:02
Spike LCS LCS % Rec
Cone. Result % Rec Limits Qualifiers
5 5.0 100 90-110
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 4177781 4177782
MS MSD
92691456002 Spike Spike MS MSD MS MSD % Rec
Parameter Units Result Cone. Cone. Result Result % Rec % Rec Limits RPD Qual
Nitrogen, Ammonia mg/L 0.28 5 5 5.2 5.2 98 98 90-110 0
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 4177783 4177784
MS MSD
92691456003 Spike Spike MS MSD MS MSD % Rec
Parameter Units Result Cone. Cone. Result Result % Rec % Rec Limits RPD Qual
Nitrogen, Ammonia mg/L ND 5 5 5.0 5.0 99 99 90-110 0
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: 10/17/2023 09:05 AM without the written consent of Pace Analytical Services, LLC.
Page 10 of 16

QUALITY CONTROL DATA
Project: Weekly Sample Set
Pace Project No.: 92692467
QC Batch: 806748 Analysis Method: EPA 350.1 Rev 2.0 1993
QC Batch Method: EPA 350.1 Rev 2.0 1993 Analysis Description: 350.1 Ammonia
Laboratory: Pace Analytical Services - Asheville
Associated Lab Samples: 92692467002
METHOD BLANK: 4177785
Associated Lab Samples: 92692467002
Parameter Units
Nitrogen, Ammonia mg/L
LABORATORY CONTROL SAMPLE: 4177786
Parameter Units
Nitrogen, Ammonia mg/L
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Matrix: Water
Blank Reporting
Result Limit Analyzed Qualifiers
ND 0.10 10/17/23 05:45
Spike LCS LCS % Rec
Cone. Result % Rec Limits Qualifiers
5 5.0 99 90-110
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 4177787 4177788
MS MSD
92692467002 Spike Spike MS MSD MS MSD % Rec
Parameter Units Result Cone. Cone. Result Result % Rec % Rec Limits RPD Qual
Nitrogen, Ammonia mg/L 0.25 5 5 5.1 5.1 96 96 90-110 0
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 4177789 4177790
MS MSD
92692469001 Spike Spike MS MSD MS MSD % Rec
Parameter Units Result Cone. Cone. Result Result % Rec % Rec Limits RPD Qual
Nitrogen, Ammonia mg/L 39.5 5 5 43.5 44.2 80 94 90-110 2 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: 10/17/2023 09:05 AM without the written consent of Pace Analytical Services, LLC.
Page 11 of 16

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALIFIERS
Project: Weekly Sample Set
Pace Project No.: 92692467
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 ofAcrolein 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.
Reported results are not rounded until the final step prior to reporting. Therefore, calculated parameters that are typically reported as
"Total" may vary slightly from the sum of the reported component parameters.
Pace Analytical is TNI accredited. Contact your Pace PM for the current list of accredited analytes.
TNI - The NELAC Institute.
ANALYTE QUALIFIERS
M1 Matrix spike recovery exceeded QC limits. Batch accepted based on laboratory control sample (LCS) recovery.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 10/17/2023 09:05 AM without the written consent of Pace Analytical Services, LLC. Page 12 of 16

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA CROSS REFERENCE TABLE
Project:
Pace Project No.:
Weekly Sample Set
92692467
Analytical
Lab ID
Sample ID
QC Batch Method
QC Batch
Analytical Method
Batch
92692467003
UCGB-EFF
SM 9222D-2015
805432
SM 9222D-2015
805433
92692467001
UCGB-INF
SM 2540D-2015
805965
92692467002
UCGB-EFF
SM 2540D-2015
805965
92692467001
UCGB-INF
SM 5210B-2016
805572
SM 5210B-2016
805672
92692467002
UCGB-EFF
SM 5210B-2016
805572
SM 5210B-2016
805672
92692467001
UCGB-INF
EPA 350.1 Rev 2.0 1993
806747
92692467002
UCGB-EFF
EPA 350.1 Rev 2.0 1993
806748
Date: 10/17/2023 09:05 AM
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 16

Effective Date: 11/14/2022
Laboratory receiving samples:
Asheville ❑ Eden❑ Greenwood [] Huntersville [ Raleigh[] Mechanicsville❑ Atlanta❑ Kernersville❑
SampleClient Name: !
ReceiptUpon ni a�Cc, Project 4: WO# : 92692467
Courier: ❑ Fed Ex ❑UPS ❑USPS ❑Client 1111111111111111111111111❑ CommercialQPace ❑Other.
92692467
Custody Seal Present? Eyes ❑y No seals Intact? ❑Yes [I'No
Packing Material: ❑bubble Wrap EfBsubble Bags ❑None ❑ Other
Thermome r:
LIRGunID: Ci
Type
1ofIce: Wet ❑Biue
-
n{ Correction Factor:
Cooler Temp; Add/Subtract I'Q
Cooler Temp Corrected C): t7(
USDA Regulated Soil {n N/A, water sample]
Did samples originate in a quarantine zone ,.-Mhin the United States: CA, NY, or SC
(check moos(? r s I INo
Dose/Initials Person Examining Contents:
Biological Tissue F ozen?
❑Yes ❑NO h!/A
❑tone
Temp should be above freezing to VC
❑Samples out of temp criteria. Samples on ice, cooling process
has begun
Did samp!es originate from a foreign source (internationally,
Comments/Discrepancy:
i.
Chain of Custody Present? Y s [-]No []N/A
Samples Arrived within Hold Time?
Efyes
❑No
[]NIA
2.
Short Hold Time Analysis (<72 hr.)?
eves
[:]No
❑N/A
3.
Rush Turn Around Time Requested?
❑Yes
LJNo
❑N/A
4.
Sufficient Volume?
ds
[]No
❑w,fA
S.
Correct Containers Used?
[KYes
❑No
[],N/A
6.
-Pace Containers Used?
[:]-No
[]N/A
Containers Intact?
Yes
❑NO
❑NIA
7-
Dissolved analysis: Samples Field Filtered?
❑Yes
6NO
❑N/A
R.
Sample tabels Match COC?
❑Yes
❑No
❑N/A
9.
(a1 i
'Includes Date%Time/ID/Analysis Matrix:
I
-
Headspace in VOA Vials {>S•6mml?
❑Yes
❑Na
gA
10.
Trip Blank Present?
❑Yes
❑Nq
21-
Trip Blank Custody Seals Present?
❑yes
❑Nn
L^y�/A
COMMENTS/SAMPLE DISCREPANCY
CLIENT NOTIFICATION/RE50LUTION
Person contacted:
Project Manager SCURF Review:
Project Manager SRF Review:
Qualtrax ID: 69614
Field Data Required? ❑Yes ❑No
Lot ID of split containers:
Date/Time:
Date:
Date:
Page i of 2
Page 14 of 16

CLc_
—" -vL,wr unce: 11/14/LU22
`Check mark top half of box if pH and/or dechlorination is verified and
within the acceptance range for preservation samples.
Exceptions. VDA, Coliform, TOC, Oil and Grease, DRO/8015 (water) DOC. LLHg
*"Bottom half of box is to list number of bottles
""Check all unpreserved Nitrates for chlorine
Project i WO# : 92692467
PM: SC Due Date: 10/19/23
CLIENT: 92-Union Cou
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PH Adjustment Log for Preserved Samples
=1D:�7ve
PH upon receipt Date reservativn adjusted Time preservation
Arnvunt of Preservative Lot p
adjusted added
utet of hold, irrcarrect preWhenever there preservative, out oa discrepaout Of temp, incorrect containers. ffecung North Carolina compliance samples,
Oua copy of this form tivill be sent to the North Carolina DEN�=
R Cerl�fication =Omc' i.e.
(
Qualtrax 10: 69614
Page 2 of 2
Page 15 of 16

PaC� Huntersville, NO 28078 [phone]
North Carolina Wastewater Certification #:12
WEEKLY SAMPLE SET
CLIENT:
Union County
FACILITY:
Grassy Branch WWTP, NCO085812
(ADDRESS:
1629 Old Fish Road Monroe, NC 28110
Sample Collection Data
�
cc
4.1
SAMPLE ID
a
o
0
m
c c
UJI
LLI
U
U
C
cu
m [p
Q
Q
d
E
Q
E
(Ea
(occ(C
W
N
cn
cn n
Si7
N
m
O
E
F-
UCGB-iNF
�1
r"A/z3 ��3�
fo ,o�z3
t-43
05-3`,
UCGB-INF
r�s
UCGB-INF
UCGB-EFF G
UCGB-EFF lc
UCGB-EFF ! k
UCGB-EFF 1" k /
SEND REPORT TO:
Jonathan Jordan, Rick Mareth
Sample Container
z �
m
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N Q P 1 Q X
N Q P 1 r
Ic�r c�z 3 L� 9z i N G P 1
Sample Temp at Collection: INF: �� °C
r
EFF: S
°C
Sample Temp at Receiving in Lab: INF: °C
EFF:
C
Sample Temp of EFF Fecal Sample at Receiving
W
0
in Lab (record only if collected):
'C
Zero Headspace & Teflon septa for VOAs: YES NO NIA
0
Samples in Proper Containers: YES NO NIA
C
N
m
Chlorinated Samples De -Chlorinated: YES NO NIA
0
Z
4600 Goldmine Rd.
Monroe, NC 28112
Preservative
KI
11
Sample TVPe Codes:
Q (Flaw) = Automatic Flow Proportioned Sample
T (Time) = Automatic Time Proportioned Sample
H (Hand) = Hand Composite Sample
G (Grab) = Grab Sample
Container Type Codes:
A = Amber Glass P = Plastic
GL = Clear Glass B = Bag
TL = Teflon Lined Cap
VOA = 40 ml Glass vial
Ret
MM
X
M
Comments:
FECAL
r� �� �y u i5r+eo.oy��gnaturei:
Relinquished by {Signature}:
Relinquished by (Signature):
Page 16 of 16

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
October 31, 2023
Rick Mareth
Union County Public Works
4015 Sardis Church Rd.
Waxhaw, NC 28173
RE: Project: DAILY SAMPLE SET
Pace Project No.: 92694889
Dear Rick Mareth:
Enclosed are the analytical results for sample(s) received by the laboratory on October 24, 2023. 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 Services -Asheville
• Pace Analytical Services - Charlotte
If you have any questions concerning this report, please feel free to contact me.
Sincerely,
Sara Poulson
[e-mail]
704-977-0964
Project Manager
Enclosures
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 16

Project: DAILY SAMPLE SET
Pace Project No.: 92694889
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Pace Analytical Services Charlotte
South Carolina Laboratory ID: 99006
9800 Kincey Ave. Ste 100, Huntersville, NC 28078
North Carolina Drinking Water Certification #: 37706
North Carolina Field Services Certification #: 5342
North Carolina Wastewater Certification #: 12
South Carolina Laboratory ID: 99006
Pace Analytical Services Asheville
2225 Riverside Drive, Asheville, NC 28804
Florida/NELAP Certification #: E87648
North Carolina Drinking Water Certification #: 37712
North Carolina Wastewater Certification #: 40
CERTIFICATIONS
South Carolina Certification #: 99006001
South Carolina Drinking Water Cert. #: 99006003
Florida/NELAP Certification #: E87627
Kentucky UST Certification #: 84
Louisiana DoH Drinking Water#: LA029
Virginia/VELAP Certification #: 460221
South Carolina Laboratory ID: 99030
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 16

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
SAMPLE ANALYTE COUNT
Project:
Pace Project No.:
DAILY SAMPLE SET
92694889
Analytes
Lab ID
Sample ID
Method
Analysts
Reported
Laboratory
92694889001
UCGB-INF
SM 2540D-2015
RVS
1
PASI-A
SM 521 OB-2016
KO
1
PASI-A
EPA 350.1 Rev 2.0 1993
NCF
1
PASI-A
92694889002
UCGB-EFF
SM 254OD-2015
RVS
1
PASI-A
SM 521 OB-2016
KO
1
PASI-A
EPA 350.1 Rev 2.0 1993
NCF
1
PASI-A
92694889003
UCGB-EFF
SM 9222D-2015
KDF
1
PASI-C
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 3 of 16

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: DAILY SAMPLE SET
Pace Project No.: 92694889
Sample: UCGB-INF
Lab ID: 92694889001 Collected: 10/24/23 10:11
Received: 10/24/23 13:10 Matrix: Water
Parameters
Results Units Report Limit DF
Prepared Analyzed CAS No. Qual
2540D Total Suspended Solids
Analytical Method: SM 2540D-2015
Pace Analytical Services - Asheville
Total Suspended Solids
472 mg/L 62.5 1
10/26/23 23:11
5210B BOD, 5 day
Analytical Method: SM 521 OB-2016
Pace Analytical Services - Asheville
BOD, 5 day
245 mg/L 2.0 1
10/25/23 16:31 10/30/23 15:50 B3
350.1 Ammonia
Analytical Method: EPA 350.1 Rev 2.0 1993
Pace Analytical Services - Asheville
Nitrogen, Ammonia
58.5 mg/L 1.0 10
10/31/23 06:34 7664-41-7
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 10/31/2023 11:07 AM without the written consent of Pace Analytical Services, LLC. Page 4 of 16

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: DAILY SAMPLE SET
Pace Project No.: 92694889
Sample: UCGB-EFF
Lab ID: 92694889002 Collected: 10/24/23 09:58
Received: 10/24/23 13:10 Matrix: Water
Parameters
Results Units Report Limit DF
Prepared Analyzed CAS No. Qual
2540D Total Suspended Solids
Analytical Method: SM 2540D-2015
Pace Analytical Services - Asheville
Total Suspended Solids
ND mg/L 2.5 1
10/26/23 23:12
5210B BOD, 5 day
Analytical Method: SM 521 OB-2016
Pace Analytical Services - Asheville
BOD, 5 day
ND mg/L 2.0 1
10/25/23 16:22 10/30/23 15:37 B3
350.1 Ammonia
Analytical Method: EPA 350.1 Rev 2.0 1993
Pace Analytical Services - Asheville
Nitrogen, Ammonia
1.0 mg/L 0.10 1
10/31/23 06:38 7664-41-7
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 10/31/2023 11:07 AM without the written consent of Pace Analytical Services, LLC. Page 5 of 16

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: DAILY SAMPLE SET
Pace Project No.: 92694889
Sample: UCGB-EFF Lab ID: 92694889003 Collected: 10/24/23 09:53 Received: 10/24/23 13:10 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
MBIO 9222D Fecal Coliform CHT Analytical Method: SM 9222D-2015 Preparation Method: SM 9222D-2015
Pace Analytical Services - Charlotte
Fecal Coliforms 3.0 CFU/100 mL 1.0 1 10/24/23 17:26 10/25/23 15:38
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 10/31/2023 11:07 AM without the written consent of Pace Analytical Services, LLC. Page 6 of 16

QUALITY CONTROL DATA
Project: DAILY SAMPLE SET
Pace Project No.: 92694889
QC Batch: 808551 Analysis Method: SM 9222D-2015
QC Batch Method: SM 9222D-2015 Analysis Description: 9222D Fecal Coliform(MF) - CHT
Laboratory: Pace Analytical Services - Charlotte
Associated Lab Samples: 92694889003
METHOD BLANK: 4186642 Matrix: Water
Associated Lab Samples: 92694889003
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Fecal Coliforms CFU/100 mL ND 1.0 10/25/23 15:38
SAMPLE DUPLICATE: 4186643
Parameter
Fecal Coliforms
92694912003 Dup
Units Result Result RPD Qualifiers
CFU/100 mL 3.0 ND
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
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: 10/31/2023 11:07 AM without the written consent of Pace Analytical Services, LLC.
Page 7 of 16

QUALITY CONTROL DATA
Project: DAILY SAMPLE SET
Pace Project No.: 92694889
QC Batch: 809228 Analysis Method: SM 2540D-2015
QC Batch Method: SM 254OD-2015 Analysis Description: 2540D Total Suspended Solids
Laboratory: Pace Analytical Services - Asheville
Associated Lab Samples: 92694889001, 92694889002
METHOD BLANK: 4190516 Matrix: Water
Associated Lab Samples: 92694889001, 92694889002
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Total Suspended Solids mg/L ND 2.5 10/26/23 23:08
LABORATORY CONTROL SAMPLE: 4190517
Spike LCS
Parameter Units Cone. Result
Total Suspended Solids mg/L 250 246
SAMPLE DUPLICATE: 4190518
92695288001 Dup
Parameter Units Result Result
Total Suspended Solids mg/L 380 413
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
LCS % Rec
% Rec Limits Qualifiers
98 90-110
RPD Qualifiers
8
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: 10/31/2023 11:07 AM without the written consent of Pace Analytical Services, LLC. Page 8 of 16

QUALITY CONTROL DATA
Project: DAILY SAMPLE SET
Pace Project No.: 92694889
QC Batch: 808744 Analysis Method: SM 521 OB-2016
QC Batch Method: SM 521 OB-2016 Analysis Description: 5210B BOD, 5 day
Laboratory: Pace Analytical Services - Asheville
Associated Lab Samples: 92694889001, 92694889002
METHOD BLANK: 4187792
Associated Lab Samples: 92694889001, 92694889002
Parameter Units
BOD, 5 day mg/L
LABORATORY CONTROL SAMPLE: 4187794
Parameter Units
BOD, 5 day mg/L
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Matrix: Water
Blank Reporting
Result Limit Analyzed Qualifiers
ND 2.0 10/30/2314:47 B3
Spike LCS LCS % Rec
Conc. Result % Rec Limits Qualifiers
198 197 99 84.6-115 B3
SAMPLE DUPLICATE: 4187795
92694904001 Dup
Parameter Units Result Result
BOD, 5 day mg/L 19.8 18.6
RPD Qualifiers
6 B3
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: 10/31/2023 11:07 AM without the written consent of Pace Analytical Services, LLC.
Page 9 of 16

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: DAILY SAMPLE SET
Pace Project No.: 92694889
QC Batch: 809850 Analysis Method: EPA 350.1 Rev 2.0 1993
QC Batch Method: EPA 350.1 Rev 2.0 1993 Analysis Description: 350.1 Ammonia
Laboratory: Pace Analytical Services - Asheville
Associated Lab Samples: 92694889001, 92694889002
METHOD BLANK: 4193006 Matrix: Water
Associated Lab Samples: 92694889001, 92694889002
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Nitrogen, Ammonia mg/L ND 0.10 10/31/23 05:00
LABORATORY CONTROL SAMPLE: 4193007
Spike LCS LCS % Rec
Parameter Units Cone. Result % Rec Limits Qualifiers
Nitrogen, Ammonia mg/L 5 5.0 100 90-110
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 4193008 4193009
MS MSD
92695674001 Spike Spike MS MSD MS MSD % Rec
Parameter Units Result Cone. Cone. Result Result % Rec % Rec Limits RPD Qual
Nitrogen, Ammonia mg/L 1.0 5 5 6.1 6.2 103 103 90-110 0
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 4193010 4193011
MS MSD
92694302001 Spike Spike MS MSD MS MSD % Rec
Parameter Units Result Cone. Cone. Result Result % Rec % Rec Limits RPD Qual
Nitrogen, Ammonia mg/L 39.4 5 5 44.4 49.4 100 200 90-110 11 M1,R1
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: 10/31/2023 11:07 AM without the written consent of Pace Analytical Services, LLC.
Page 10 of 16

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALIFIERS
Project: DAILY SAMPLE SET
Pace Project No.: 92694889
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 ofAcrolein 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.
Reported results are not rounded until the final step prior to reporting. Therefore, calculated parameters that are typically reported as
"Total" may vary slightly from the sum of the reported component parameters.
Pace Analytical is TNI accredited. Contact your Pace PM for the current list of accredited analytes.
TNI - The NELAC Institute.
ANALYTE QUALIFIERS
B3 The dissolved oxygen depletion of the dilution water blank exceeded 0.2 mg/L.
M1 Matrix spike recovery exceeded QC limits. Batch accepted based on laboratory control sample (LCS) recovery.
R1 RPD value was outside control limits.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 10/31/2023 11:07 AM without the written consent of Pace Analytical Services, LLC. Page 11 of 16

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA CROSS REFERENCE TABLE
Project:
Pace Project No.:
DAILY SAMPLE SET
92694889
Analytical
Lab ID
Sample ID
QC Batch Method
QC Batch
Analytical Method
Batch
92694889003
UCGB-EFF
SM 9222D-2015
808551
SM 9222D-2015
808552
92694889001
UCGB-INF
SM 2540D-2015
809228
92694889002
UCGB-EFF
SM 2540D-2015
809228
92694889001
UCGB-INF
SM 5210B-2016
808744
SM 5210B-2016
808883
92694889002
UCGB-EFF
SM 5210B-2016
808744
SM 5210B-2016
808883
92694889001
UCGB-INF
EPA 350.1 Rev 2.0 1993
809850
92694889002
UCGB-EFF
EPA 350.1 Rev 2.0 1993
809850
Date: 10/31 /2023 11:07 AM
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 16

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Page 14 of 16

9800 Kincey Ave p100
ace Huntersville, NC 28078 [phone]
North Carolina Wastewater Certification p:12
CLIENT:
Union County
FACILITY:
Grassy Branch WWTP, NCO085812
ADDRESS:
1629 Old Fish Road Monroe, NC 28110
Sample Collection
Data
m
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a
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11 05-;0 1 0 ss
WEEKLY SAMPLE SET
SEND REPORT TO: Jonathan Jordan,
4600 Goldmine R(
Monroe, NC 2B11
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T (Time) = Automatic Time Proportioned Sample
H (Hand) = Hand Composite Sample
G (Grab) = Grab Sample
Container Type Codes:
A = Amber Glass P = Plastic
GL = Clear Glass B = Bag
TL = Teflon Lined Cap
VOA = 40 ml Glass vial
CHAIN OF CUSTODY RECORD
COC##:
PAGE 10F 1
Sampled by (Sign Name):
Rick Mareth
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Page 16 of 16

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
November 07, 2023
Rick Mareth
Union County Public Works
4015 Sardis Church Rd.
Waxhaw, NC 28173
RE: Project: WEEKLY SAMPLE SET
Pace Project No.: 92693754
Dear Rick Mareth:
Enclosed are the analytical results for sample(s) received by the laboratory on October 17, 2023. 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 Services -Asheville
• Pace Analytical Services - Charlotte
If you have any questions concerning this report, please feel free to contact me.
Sincerely,
Sara Poulson
[e-mail]
704-977-0964
Project Manager
Enclosures
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 15

Project: WEEKLY SAMPLE SET
Pace Project No.: 92693754
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Pace Analytical Services Charlotte
South Carolina Laboratory ID: 99006
9800 Kincey Ave. Ste 100, Huntersville, NC 28078
North Carolina Drinking Water Certification #: 37706
North Carolina Field Services Certification #: 5342
North Carolina Wastewater Certification #: 12
South Carolina Laboratory ID: 99006
Pace Analytical Services Asheville
2225 Riverside Drive, Asheville, NC 28804
Florida/NELAP Certification #: E87648
North Carolina Drinking Water Certification #: 37712
North Carolina Wastewater Certification #: 40
CERTIFICATIONS
South Carolina Certification #: 99006001
South Carolina Drinking Water Cert. #: 99006003
Florida/NELAP Certification #: E87627
Kentucky UST Certification #: 84
Louisiana DoH Drinking Water#: LA029
Virginia/VELAP Certification #: 460221
South Carolina Laboratory ID: 99030
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 15

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
SAMPLE ANALYTE COUNT
Project:
Pace Project No.:
WEEKLY SAMPLE SET
92693754
Analytes
Lab ID
Sample ID
Method
Analysts
Reported
Laboratory
92693754001
UCGB-INF
SM 2540D-2015
RVS
1
PASI-A
SM 521 OB-2016
KO
1
PASI-A
EPA 350.1 Rev 2.0 1993
NCF
1
PASI-A
92693754002
UCGB-EFF
SM 254OD-2015
RVS
1
PASI-A
SM 521 OB-2016
KO
1
PASI-A
EPA 350.1 Rev 2.0 1993
NCF
1
PASI-A
92693754003
UCGB-EFF
SM 9222D-2015
KDF
1
PASI-C
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 3 of 15

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: WEEKLY SAMPLE SET
Pace Project No.: 92693754
Sample: UCGB-INF
Lab ID: 92693754001 Collected: 10/17/23 10:11
Received: 10/17/23 12:25 Matrix: Water
Parameters
Results Units Report Limit DF
Prepared Analyzed CAS No. Qual
2540D Total Suspended Solids
Analytical Method: SM 2540D-2015
Pace Analytical Services - Asheville
Total Suspended Solids
259 mg/L 46.3 1
10/19/23 20:26
5210B BOD, 5 day
Analytical Method: SM 521 OB-2016
Pace Analytical Services - Asheville
BOD, 5 day
80.1 mg/L 2.0 1
10/18/23 19:32 10/23/23 12:32
350.1 Ammonia
Analytical Method: EPA 350.1 Rev 2.0 1993
Pace Analytical Services - Asheville
Nitrogen, Ammonia
34.8 mg/L 1.0 10
10/25/23 06:45 7664-41-7 M1
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 11 /07/2023 10:32 AM without the written consent of Pace Analytical Services, LLC. Page 4 of 15

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: WEEKLY SAMPLE SET
Pace Project No.: 92693754
Sample: UCGB-EFF
Lab ID: 92693754002 Collected: 10/17/23 10:00
Received: 10/17/23 12:25 Matrix: Water
Parameters
Results Units Report Limit DF
Prepared Analyzed CAS No. Qual
2540D Total Suspended Solids
Analytical Method: SM 2540D-2015
Pace Analytical Services - Asheville
Total Suspended Solids
2.6 mg/L 2.5 1
10/19/23 20:26
5210B BOD, 5 day
Analytical Method: SM 521 OB-2016
Pace Analytical Services - Asheville
BOD, 5 day
ND mg/L 2.0 1
10/18/23 19:32 10/23/23 12:31
350.1 Ammonia
Analytical Method: EPA 350.1 Rev 2.0 1993
Pace Analytical Services - Asheville
Nitrogen, Ammonia
ND mg/L 0.10 1
10/25/23 04:15 7664-41-7
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 11 /07/2023 10:32 AM without the written consent of Pace Analytical Services, LLC. Page 5 of 15

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: WEEKLY SAMPLE SET
Pace Project No.: 92693754
Sample: UCGB-EFF Lab ID: 92693754003 Collected: 10/17/23 09:52 Received: 10/17/23 12:25 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
MBIO 9222D Fecal Coliform CHT Analytical Method: SM 9222D-2015 Preparation Method: SM 9222D-2015
Pace Analytical Services - Charlotte
Fecal Coliforms 5.0 CFU/100 mL 1.0 1 10/17/23 16:28 10/18/23 15:58
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 11 /07/2023 10:32 AM without the written consent of Pace Analytical Services, LLC. Page 6 of 15

QUALITY CONTROL DATA
Project: WEEKLY SAMPLE SET
Pace Project No.: 92693754
QC Batch: 807399 Analysis Method: SM 9222D-2015
QC Batch Method: SM 9222D-2015 Analysis Description: 9222D Fecal Coliform(MF) - CHT
Laboratory: Pace Analytical Services - Charlotte
Associated Lab Samples: 92693754003
METHOD BLANK: 4180971 Matrix: Water
Associated Lab Samples: 92693754003
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Fecal Coliforms CFU/100 mL ND 1.0 10/18/23 15:58
SAMPLE DUPLICATE: 4180972
Parameter
Fecal Coliforms
92693751003 Dup
Units Result Result RPD Qualifiers
CFU/100 mL ND ND
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
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: 11 /07/2023 10:32 AM without the written consent of Pace Analytical Services, LLC.
Page 7 of 15

QUALITY CONTROL DATA
Project: WEEKLY SAMPLE SET
Pace Project No.: 92693754
QC Batch: 807705 Analysis Method: SM 2540D-2015
QC Batch Method: SM 254OD-2015 Analysis Description: 2540D Total Suspended Solids
Laboratory: Pace Analytical Services - Asheville
Associated Lab Samples: 92693754001, 92693754002
METHOD BLANK: 4182668 Matrix: Water
Associated Lab Samples: 92693754001, 92693754002
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Total Suspended Solids mg/L ND 2.5 10/19/23 20:24
LABORATORY CONTROL SAMPLE: 4182669
Spike LCS
Parameter Units Conc. Result
Total Suspended Solids mg/L 250 248
SAMPLE DUPLICATE: 4183430
92693754001 Dup
Parameter Units Result Result
Total Suspended Solids mg/L 259 260
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
LCS % Rec
% Rec Limits Qualifiers
99 90-110
RPD Qualifiers
0
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: 11 /07/2023 10:32 AM without the written consent of Pace Analytical Services, LLC. Page 8 of 15

QUALITY CONTROL DATA
Project: WEEKLY SAMPLE SET
Pace Project No.: 92693754
QC Batch: 807277 Analysis Method: SM 521 OB-2016
QC Batch Method: SM 521 OB-2016 Analysis Description: 5210B BOD, 5 day
Laboratory: Pace Analytical Services - Asheville
Associated Lab Samples: 92693754001, 92693754002
METHOD BLANK: 4180286 Matrix: Water
Associated Lab Samples: 92693754001, 92693754002
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
BOD, 5 day mg/L ND 2.0 10/23/23 11:31
LABORATORY CONTROL SAMPLE: 4180288
Spike LCS
Parameter Units Conc. Result
BOD, 5 day mg/L 198 189
SAMPLE DUPLICATE: 4180289
92693547001 Dup
Parameter Units Result Result
BOD, 5 day mg/L ND ND
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
LCS % Rec
% Rec Limits Qualifiers
96 84.6-115
RPD 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: 11 /07/2023 10:32 AM without the written consent of Pace Analytical Services, LLC. Page 9 of 15

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: WEEKLY SAMPLE SET
Pace Project No.: 92693754
QC Batch: 808584 Analysis Method: EPA 350.1 Rev 2.0 1993
QC Batch Method: EPA 350.1 Rev 2.0 1993 Analysis Description: 350.1 Ammonia
Laboratory: Pace Analytical Services - Asheville
Associated Lab Samples: 92693754001, 92693754002
METHOD BLANK: 4187021 Matrix: Water
Associated Lab Samples: 92693754001, 92693754002
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Nitrogen, Ammonia mg/L ND 0.10 10/25/23 07:05
LABORATORY CONTROL SAMPLE: 4187022
Spike LCS LCS % Rec
Parameter Units Cone. Result % Rec Limits Qualifiers
Nitrogen, Ammonia mg/L 5 4.9 98 90-110
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 4187023 4187024
MS MSD
92693754001 Spike Spike MS MSD MS MSD % Rec
Parameter Units Result Cone. Cone. Result Result % Rec % Rec Limits RPD Qual
Nitrogen, Ammonia mg/L 34.8 5 5 40.7 40.9 118 122 90-110 0 M1
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 4187025 4187026
MS MSD
92693754002 Spike Spike MS MSD MS MSD % Rec
Parameter Units Result Cone. Cone. Result Result % Rec % Rec Limits RPD Qual
Nitrogen, Ammonia mg/L ND 5 5 4.9 4.9 98 98 90-110 0
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: 11 /07/2023 10:32 AM without the written consent of Pace Analytical Services, LLC.
Page 10 of 15

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALIFIERS
Project: WEEKLY SAMPLE SET
Pace Project No.: 92693754
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 ofAcrolein 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.
Reported results are not rounded until the final step prior to reporting. Therefore, calculated parameters that are typically reported as
"Total" may vary slightly from the sum of the reported component parameters.
Pace Analytical is TNI accredited. Contact your Pace PM for the current list of accredited analytes.
TNI - The NELAC Institute.
ANALYTE QUALIFIERS
M1 Matrix spike recovery exceeded QC limits. Batch accepted based on laboratory control sample (LCS) recovery.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 11 /07/2023 10:32 AM without the written consent of Pace Analytical Services, LLC. Page 11 of 15

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA CROSS REFERENCE TABLE
Project:
Pace Project No.:
WEEKLY SAMPLE SET
92693754
Analytical
Lab ID
Sample ID
QC Batch Method
QC Batch
Analytical Method
Batch
92693754003
UCGB-EFF
SM 9222D-2015
807399
SM 9222D-2015
807400
92693754001
UCGB-INF
SM 2540D-2015
807705
92693754002
UCGB-EFF
SM 2540D-2015
807705
92693754001
UCGB-INF
SM 5210B-2016
807277
SM 5210B-2016
807420
92693754002
UCGB-EFF
SM 5210B-2016
807277
SM 5210B-2016
807420
92693754001
UCGB-INF
EPA 350.1 Rev 2.0 1993
808584
92693754002
UCGB-EFF
EPA 350.1 Rev 2.0 1993
808584
Date: 11 /07/2023 10:32 AM
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 15

ace ❑C#- Title: ENV-FRM-HUNT-0083 v02 Sample Condition Upon Receipt
Effective Date: 11/14/2022
Laboratory receiving samples;
Asheville ❑ Eden❑ Greenwood ❑ Huntersville !/ Raleigh❑ Atlantan Kernersville❑
Sample Condition Client Name: Upon Receipt Project W4# : 92693754
�
Courier: ❑Fed Ex ❑ FS' DUOS v Cflen[
❑ Commercial ❑Pace ❑Other. 92693754 A I
Custody Seat Present? ❑Yes(No Seals intact? ❑Yes [:]No
Date/initials Person Examining Contents&Z2�40 4)
Packing Material: ❑Bubble Wrap ❑Bubble Bags d None
❑ Other Biological Tissue ro=en.7
Thermometer: ❑Yes ❑No LANIA
❑ IRGun I0: LI 1 / Type of ice: OVet
Correction Factor:
Cooler Temp: Add/Subtract ("C)
Cooler Temp Corrected ([°C):
USDA Regulated Soil ( t[ NIA, water sample)
Did samples originate in a quarantine zone within the United States: CA, NY, or SC
(check maps)? Dyes FlNo
Chain of Custody Present?
Samples Arrived within Hold Time?
Short Hold Tlme Analysis (<72 hr.)?
Rush Turn Around Time Requested?
Sufficient Volume?
Correct Containers Used?
-Pace Containers Used?
Containers Intact?
Dissolved analysis: Samples Field Filtered?
Sample Labels Match COC?
Includes Date/TimeJIDJAnalysis Matrix; ,,
Headspace in VCIA Vials (>S•6mml?
Trip Blank Present?
Trip Blank Custody Seals Present?
COMMENTS/SAMPLE DISCREPANCY
CLIENT NOTIFICATION/RESOLUTION
Person contacted;
Project Manager SCURF Review:
Project Manager SRF Review:
❑Blue ❑,None
LJNo
LJN/A
1.
❑Na
❑N/A
Z,
E�]No
❑N/A
3.
L�Na
❑N/A
4.
[]NO
❑N/A
S.
❑No
❑N/A
6.
UJYes
UNo
LJN/A
7.
❑Yes
No
❑N/A
S.
Yes
❑No
❑N/A
9.
❑Yes
[]No
dw/A
10,
❑Yes
[ONO
❑N/A
11.
❑Yes ❑ o FA/A
Temp should be above freezing to VC
[]Samples out of temp criteria_ Samples an ice, tooting process
has begun
Did samples originate from a foreign source (internationally,
including Hawaii and Puerto Rico)7 ❑Yes ❑No
Comments/Discreoancv:
Lot ID of split containers:
Date/Time: _
7
Field Data Required? ❑Yes ❑No
Date:
/!
Date:
J Page 13 of 15
Quallrax ID: 69614 Page 1 of 2

f,_fdC� DC#_Title: ENV-FRM-HUN1-0083 v02_Sample Condition Upon Receipt
-
Effective Date: 11/14/2022
*Check mark tap half of box if pH and/or dechlorination is verified and
within the acceptance range for preservation samples.
Exceptions: VOA, Colifarm, TOC, Oil and Grease, DRO/8015 (water) DOC, LLHg
**Bottom half of box is to list number of bottles
***Check all unpreserved Nitrates for chlorine
Project N WO# : 92693754
PM: SC Due Date: 10/26/23
CLIENT: 92-Union Cou
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PH Adjustment Log for Preserved Samples
Sample f D Type of Preservative pH upon receipt Date preservation adjusted Time preservation Amount of Preservative Lot 4
adjusted added
Note: Whenever there is a discrepancy affecting North Carolina compliance samples, a copy of this form will be sent to the North Carolina DENR Certification Office ii e.
Out of hold, incorrect preservative, out of temp, incorrect containers.
Page 14 of 15
QLraltrax 10: 69614 Page 2 of 2

0-07 9800 Kincey Ave #100 CHAIN OF CUSTODY RECORD `
Pace Huntersvilie, NC 26078 [phone]
COC#:
North Carolina Wastewater Certification 9:12
WEEKLY SAMPLE SET
PAGE 1 OF 1
Sampled by (Sign Name):
CLIENT Union County
SEND REPORT T0: Jonathan Jordan, Rick Mareth
FACILITY: Grassy Branch WWTP, NC0085812
4600 Goldmine Rd.
(Print Name �yy
1ALc3,c T�
k,,- 3
ADDRESS: 1629 Old Fish Road Monroe, NC 28110 Monroe, NC 28112
Sample Collection
Data
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Container
Preservative
o _
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Requested
x
d "Uj
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}
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Sample Temp at Collection:
IMF: °C
EFF: cj �)
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Sample Type Codes:
Comments:
g
r—
Q (Flow) = Automatic Flow Proportioned Sample
T (Time) = Automatic Time Proportioned Sample
FECAL TEMP
AT COLLECTION:
IMF: °C
EFF: °C
Sample Temp at Receiving in Lab:
D
[70
H (Hand) =Hand Composite Sample
Relin wished b Si nature};
g
Received b(Signature):
y
Date: Time:
G (Grab) =Grab Sample
J v !^
10/ 3 1 z 5
Sample Temp of EFF Fecal Sample at Receiving
°C
in Lab (record only if collected):
>
Container Tvne Codes:
Rellnquished-6y* turei:
(� �� ' r� ��
ReFelvedibytSignature}:
! - V�—
Date: Time:
Zero Headspace & Teflon septa for VOAs: YES
NO
N/A
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m
A =Amber Glass P = Plastic
GL = Clear Glass B. = Bag
TL = Teflon Lined Cap
Relinquisheh by (Signature):
Relinquished by (Signature):
Received by {Signature}:
Received by {Signature}:
I Dale: Time:
Date: Time:
Samples in Proper Containers: YES NO N/A
�
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VOA = 40 m! Glass vial
Chlorinated Samples De -Chlorinated: YES
NO
NIA
r—
Form Revision 006; Effective 06/06/2018
Page 15 of 15

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
November 07, 2023
Rick Mareth
Union County Public Works
4015 Sardis Church Rd.
Waxhaw, NC 28173
RE: Project: WEEKLY SAMPLE SET
Pace Project No.: 92696016
Dear Rick Mareth:
Enclosed are the analytical results for sample(s) received by the laboratory on October 31, 2023. 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 Services -Asheville
• Pace Analytical Services - Charlotte
If you have any questions concerning this report, please feel free to contact me.
Sincerely,
Sara Poulson
[e-mail]
704-977-0964
Project Manager
Enclosures
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 15

Project: WEEKLY SAMPLE SET
Pace Project No.: 92696016
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Pace Analytical Services Charlotte
South Carolina Laboratory ID: 99006
9800 Kincey Ave. Ste 100, Huntersville, NC 28078
North Carolina Drinking Water Certification #: 37706
North Carolina Field Services Certification #: 5342
North Carolina Wastewater Certification #: 12
South Carolina Laboratory ID: 99006
Pace Analytical Services Asheville
2225 Riverside Drive, Asheville, NC 28804
Florida/NELAP Certification #: E87648
North Carolina Drinking Water Certification #: 37712
North Carolina Wastewater Certification #: 40
CERTIFICATIONS
South Carolina Certification #: 99006001
South Carolina Drinking Water Cert. #: 99006003
Florida/NELAP Certification #: E87627
Kentucky UST Certification #: 84
Louisiana DoH Drinking Water#: LA029
Virginia/VELAP Certification #: 460221
South Carolina Laboratory ID: 99030
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 15

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
SAMPLE ANALYTE COUNT
Project:
Pace Project No.:
WEEKLY SAMPLE SET
92696016
Analytes
Lab ID
Sample ID
Method
Analysts
Reported
Laboratory
92696016001
UCGB-INF
SM 2540D-2015
RVS
1
PASI-A
SM 5210B-2016
MDM
1
PASI-A
EPA 350.1 Rev 2.0 1993
NCF
1
PASI-A
92696016002
UCGB-EFF
SM 2540D-2015
RVS
1
PASI-A
SM 5210B-2016
MDM
1
PASI-A
EPA 350.1 Rev 2.0 1993
NCF
1
PASI-A
92696016003
UCGB-EFF
SM 9222D-2015
KDF
1
PASI-C
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 3 of 15

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: WEEKLY SAMPLE SET
Pace Project No.: 92696016
Sample: UCGB-INF
Lab ID: 92696016001 Collected: 10/31/23 09:14
Received: 10/31/23 13:08 Matrix: Water
Parameters
Results Units Report Limit DF
Prepared Analyzed CAS No. Qual
2540D Total Suspended Solids
Analytical Method: SM 2540D-2015
Pace Analytical Services - Asheville
Total Suspended Solids
402 mg/L 50.0 1
11/02/23 16:25
5210B BOD, 5 day
Analytical Method: SM 521 OB-2016
Pace Analytical Services - Asheville
BOD, 5 day
199 mg/L 2.0 1
11/02/23 01:54 11/06/23 23:46
350.1 Ammonia
Analytical Method: EPA 350.1 Rev 2.0 1993
Pace Analytical Services - Asheville
Nitrogen, Ammonia
57.2 mg/L 1.0 10
11/04/23 04:15 7664-41-7
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 11 /07/2023 12:00 PM without the written consent of Pace Analytical Services, LLC. Page 4 of 15

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: WEEKLY SAMPLE SET
Pace Project No.: 92696016
Sample: UCGB-EFF
Lab ID: 92696016002 Collected: 10/31/23 09:04
Received: 10/31/23 13:08 Matrix: Water
Parameters
Results Units Report Limit DF
Prepared Analyzed CAS No. Qual
2540D Total Suspended Solids
Analytical Method: SM 2540D-2015
Pace Analytical Services - Asheville
Total Suspended Solids
ND mg/L 2.5 1
11/02/23 16:26
5210B BOD, 5 day
Analytical Method: SM 521 OB-2016
Pace Analytical Services - Asheville
BOD, 5 day
ND mg/L 2.0 1
11/02/23 01:54 11/06/23 23:38
350.1 Ammonia
Analytical Method: EPA 350.1 Rev 2.0 1993
Pace Analytical Services - Asheville
Nitrogen, Ammonia
1.3 mg/L 0.10 1
11/04/23 04:16 7664-41-7
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 11 /07/2023 12:00 PM without the written consent of Pace Analytical Services, LLC. Page 5 of 15

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: WEEKLY SAMPLE SET
Pace Project No.: 92696016
Sample: UCGB-EFF Lab ID: 92696016003 Collected: 10/31/23 08:58 Received: 10/31/23 13:08 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
MBIO 9222D Fecal Coliform CHT Analytical Method: SM 9222D-2015 Preparation Method: SM 9222D-2015
Pace Analytical Services - Charlotte
Fecal Coliforms 34.0 CFU/100 mL 1.0 1 10/31/23 15:18 11/01/23 13:32
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 11 /07/2023 12:00 PM without the written consent of Pace Analytical Services, LLC. Page 6 of 15

QUALITY CONTROL DATA
Project: WEEKLY SAMPLE SET
Pace Project No.: 92696016
QC Batch: 810039 Analysis Method: SM 9222D-2015
QC Batch Method: SM 9222D-2015 Analysis Description: 9222D Fecal Coliform(MF) - CHT
Laboratory: Pace Analytical Services - Charlotte
Associated Lab Samples: 92696016003
METHOD BLANK: 4194023 Matrix: Water
Associated Lab Samples: 92696016003
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Fecal Coliforms CFU/100 mL ND 1.0 11/01/23 13:32
SAMPLE DUPLICATE: 4194024
Parameter
Fecal Coliforms
92696016003 Dup
Units Result Result RPD Qualifiers
CFU/100 mL 34.0 30.0 12
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
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: 11 /07/2023 12:00 PM without the written consent of Pace Analytical Services, LLC.
Page 7 of 15

QUALITY CONTROL DATA
Project: WEEKLY SAMPLE SET
Pace Project No.: 92696016
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QC Batch: 810511 Analysis Method: SM 2540D-2015
QC Batch Method: SM 254OD-2015 Analysis Description: 2540D Total Suspended Solids
Laboratory: Pace Analytical Services - Asheville
Associated Lab Samples: 92696016001, 92696016002
METHOD BLANK: 4196153
Matrix:
Water
Associated Lab Samples: 92696016001, 92696016002
Blank
Reporting
Parameter
Units
Result
Limit
Analyzed
Total Suspended Solids
mg/L
ND
2.5
11/02/23 16:2(
LABORATORY CONTROL SAMPLE:
4196154
Spike
1-CS
LCS
Parameter
Units
Conc.
Result
% Rec
Total Suspended Solids
mg/L
250
240
96
SAMPLE DUPLICATE: 4197078
92695996001
Dup
Qualifiers
% Rec
Limits Qualifiers
90-110
Parameter Units Result Result RPD Qualifiers
Total Suspended Solids mg/L 282 290 3
SAMPLE DUPLICATE: 4197079
92695996003 Dup
Parameter Units Result Result RPD Qualifiers
Total Suspended Solids mg/L 2710 2800 3
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: 11 /07/2023 12:00 PM without the written consent of Pace Analytical Services, LLC. Page 8 of 15

QUALITY CONTROL DATA
Project: WEEKLY SAMPLE SET
Pace Project No.: 92696016
QC Batch: 810241 Analysis Method: SM 521 OB-2016
QC Batch Method: SM 521 OB-2016 Analysis Description: 5210B BOD, 5 day
Laboratory: Pace Analytical Services - Asheville
Associated Lab Samples: 92696016001, 92696016002
METHOD BLANK: 4194902 Matrix: Water
Associated Lab Samples: 92696016001, 92696016002
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
BOD, 5 day mg/L ND 2.0 11/06/23 22:50
LABORATORY CONTROL SAMPLE: 4194904
Spike LCS
Parameter Units Conc. Result
BOD, 5 day mg/L 198 197
SAMPLE DUPLICATE: 4194905
92695919001 Dup
Parameter Units Result Result
BOD, 5 day mg/L ND ND
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
LCS % Rec
% Rec Limits Qualifiers
100 84.6-115
RPD 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: 11 /07/2023 12:00 PM without the written consent of Pace Analytical Services, LLC. Page 9 of 15

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: WEEKLY SAMPLE SET
Pace Project No.: 92696016
QC Batch: 811003 Analysis Method: EPA 350.1 Rev 2.0 1993
QC Batch Method: EPA 350.1 Rev 2.0 1993 Analysis Description: 350.1 Ammonia
Laboratory: Pace Analytical Services - Asheville
Associated Lab Samples: 92696016001, 92696016002
METHOD BLANK: 4199175 Matrix: Water
Associated Lab Samples: 92696016001, 92696016002
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Nitrogen, Ammonia mg/L ND 0.10 11/04/23 03:44
LABORATORY CONTROL SAMPLE: 4199176
Spike LCS LCS % Rec
Parameter Units Cone. Result % Rec Limits Qualifiers
Nitrogen, Ammonia mg/L 5 5.0 99 90-110
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 4199177 4199178
MS MSD
92695944002 Spike Spike MS MSD MS MSD % Rec
Parameter Units Result Cone. Cone. Result Result % Rec % Rec Limits RPD Qual
Nitrogen, Ammonia mg/L 0.19 5 5 5.1 5.1 98 98 90-110 0
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 4199179 4199180
MS MSD
92695944003 Spike Spike MS MSD MS MSD % Rec
Parameter Units Result Cone. Cone. Result Result % Rec % Rec Limits RPD Qual
Nitrogen, Ammonia mg/L ND 5 5 4.9 4.9 97 97 90-110 0
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: 11 /07/2023 12:00 PM without the written consent of Pace Analytical Services, LLC.
Page 10 of 15

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALIFIERS
Project: WEEKLY SAMPLE SET
Pace Project No.: 92696016
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 ofAcrolein 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.
Reported results are not rounded until the final step prior to reporting. Therefore, calculated parameters that are typically reported as
"Total" may vary slightly from the sum of the reported component parameters.
Pace Analytical is TNI accredited. Contact your Pace PM for the current list of accredited analytes.
TNI - The NELAC Institute.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 11 /07/2023 12:00 PM without the written consent of Pace Analytical Services, LLC. Page 11 of 15

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA CROSS REFERENCE TABLE
Project:
Pace Project No.:
WEEKLY SAMPLE SET
92696016
Analytical
Lab ID
Sample ID
QC Batch Method
QC Batch
Analytical Method
Batch
92696016003
UCGB-EFF
SM 9222D-2015
810039
SM 9222D-2015
810041
92696016001
UCGB-INF
SM 2540D-2015
810511
92696016002
UCGB-EFF
SM 2540D-2015
810511
92696016001
UCGB-INF
SM 5210B-2016
810241
SM 5210B-2016
810738
92696016002
UCGB-EFF
SM 5210B-2016
810241
SM 5210B-2016
810738
92696016001
UCGB-INF
EPA 350.1 Rev 2.0 1993
811003
92696016002
UCGB-EFF
EPA 350.1 Rev 2.0 1993
811003
Date: 11/07/2023 12:00 PM
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 15

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Page 14 of 15

9800 Klncey Ave #100
ace Huntersville, NC 2BO78 [phone]
North Carolina Wastewater Certification 9:12
CLIENT: Union County
FACILITY: Grassy Branch WWTP, NCO085812
WEEKLY SAMPLE SET
SEND REPORT TO:
4600 Goldmine Rd.
ADDRESS:
1629
Old Fish
Road Monroe, NC 28110
Sam
le
Container
Monroe,
NC
28112
Sample Collection Data
Preservative
a
Anal
se
x
47
o
N
U
4?
V
}
d
a3
R N
V
SAMPLE ID
.�.
o
c
c
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o
U
m
U
E
=
w
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Q.
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m
c
LLI
m
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as
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m
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o
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m
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N
a
cu
a
03
N
a
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C
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C
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w
O
cv
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w
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m
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a
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2
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cu
z
M
O
O
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2
C�
N
7
m`
Q
O
C
cn
cn
co
C!7
Cn
o
i—
U
o
m
:10
_
=
z
a
z
a
co
UCGB-INF
Iz3
,�3i1z3
0�1 y
N
Q
P
1
N
X
X
UCGB-INF
N
Q
P
1
cN
X
UCGB-INF
N
Q
P
1
N
X
UCGB-EFF
i1 31 23
0901/
N
Q
P
1
Q
X
X
UCGB-EFF
��
N
Q
P
1
0
Q
X
UCGB-EFF'
Y-
N
Q
P
i+�-e
X
UCGB-EFF
�t-
'o 1 AS
0878
N
G
P
1
X
Sample Temp at Collection: INF: Lr °C I EFF: �' °C
Sample Temp at Receiving in Lab: INF: C1 EFF: °C
Sample Temp of EFF Fecal Sample at Receiving
°C
in Lab (record only if collected):
O
Zero Headspace & Teflon septa for VOAs: YES NO NIA
�
C
Samples in Proper Containers: YES' NO NIA
m
O
Chlorinated Samples De -Chlorinated: YES, NO NIA
Sample Type Codes:
0 (Flow) = Automatic Flow Proportioned Sample
T (Time) = Automatic Time Proportioned Sample
H (Hand) = Hand Composite Sample
G (Grab) = Grab Sample
Container Type Codes:
A = Amber Glass P = Plastic
GL = Clear Glass B = Bag
TL = Teflon lined Cap
VOA = 40 ml Glass vial
CHAIN OF CUSTODY RECORD
coe#:
PAGE 1 OF 1
Sampled by (Sign Name):
(Print Name)
� I
`n w
�
F
co
O =
0
H
d
d
CO
wtz
z
Qx
¢
X
X
Comments:
FECAL TEMP AT COLLECTION:
RelEnqui� ne3urgl:�
r r
by (ZgWWufl):
by (Signatu re):
U
FA
Received by (Signature):
�*i k�
Received by (Signature):
Received by (Signature):
Received by (Signature):
S
LU z W
o
LAB USE ONLY
LAB SAMPLE ID
w q
= v
— w
w
Cl> 0
X1 I I
V3112-1ja l
Date: Time:
Date: Time:
Revision C06;
Page 15 of 15