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(�IaceAnalytical
www.pacelabs.com
May 14, 2021
Mr. Michael Houser
MacLeod Construction
PO Box 320
4304 N. Pointe Ind Charlotte
Denver, NC 28037
RE: Project: 828-409-3596 DP-1
Pace Project No.: 92536403
Dear Mr. Houser:
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Enclosed are the analytical results for sample(s) received by the laboratory on May 03, 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 Services -Asheville
• Pace Analytical Services - Charlotte
If you have any questions concerning this report, please feel free to contact me.
Sincerely,
Tyriek Hooks
[e-mail]
[phone]
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 13

IaceAnalytical
(�wmpacdabum
Project: . 828-409-3596 DP-1
Pace Project No.: 92536403
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersvitle, NC 28078
[phone]
Pace Analytical Services Charlotte
9800 Kincey Ave. Ste 100, Huntersville, NC 28078
Louisiana/NELAP Certification # LA170028
North Carolina Drinking Water Certification M 37706
North Carolina Field Services Certification M 5342
North Carolina Wastewater Certification #: 12
Pace Analytical Services Asheville
2225 Riverside Drive, Asheville, NC 28804
FloddatNELAP Certification M E87648
North Carolina Drinking Water Certification #: 37712
CERTIFICATIONS
South Carolina Certification M 99006001
Florida/NELAP Certification #: E87627
Kentucky UST Certification #: 84
VirginiaNELAP Certification #: 460221
North Carolina Wastewater Certification #: 40
South Carolina Certification #: 99030001
Yrginia/VELAP Certification #: 460222
REPORT OF LABORATORY ANALYSIS
This report shall not to reproduced, except in full,
without the written consent of Pace Analytical Services, I.I.C. Page 2 of 13

aceAnalytical
rrw pawabseom
SAMPLE ANALYTE COUNT
Project 828-409-3596 DP-1
Pace Project No.: 92536403
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Analyses
Lab ID Sample ID Method
Analysts
Reported
Laboratory
92536403001 DP-1 EPA 1664E
TEG
1
PASI-C
SM 254OD-2011
RED
1
PASI-A
EPA 9040C
SMK
1
PASI-A
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, I.I.C.
Page 3 of 13

ac"Analytical
www.pacelabs.com
ANALYTICAL RESULTS
Project: 828-409-3596 DP-1
Pace Project No.: 92536403
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Sample: DP4
r Parameters
Lab ID: 92536403001 Collected: 05/03/21 13:50
Results Units Report Limit DF
Received: 05/03/21 14:10 Matrix: Water
Prepared Analyzed CAS No. Qual
HEM, Oil and Grease
Analytical Method: EPA 1664E
Pace Analytical Services - Charlotte
Oil and Grease
ND mg/L 5.0 1
05/14/21 11:38
2640D Total Suspended Solids
Analytical Method: SM 254OD-2011
Pace Analytical Services - Asheville
Total Suspended Solids
21.5 mg/L 3.8 1
06/06/21 22:07
9040 pH
Analytical Method: EPA 9040C
Pace Analytical Services - Asheville
pH at 25 Degrees C
7.6 Sid. Units 0.10 1
05/09/21 16:24 H3
Date: 05/14/2021 04:50 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, I.L.C.
Page 4 of 13

mMaljftal
wis pacelabscom
QUALITY CONTROL DATA
Project 828-409-3596 DP-1
Pace Project No.: 92536403
QC Batch: 620390 Analysis Method: EPA 1664B
QC Batch Method: EPA 1664B Analysis Description: 1664 HEM, Oil and Grease
Laboratory: Pace Analytical Services - Charlotte
Associated Lab Samples: 92536403001
METHOD BLANK: 3264328
Associated Lab Samples: 92536403001
Parameter Units
Oil and Grease mg/L
Matrix: Water
Blank Reporting
Result Llmit Analyzed Qualifiers
ND 5.0 05114/2111:34
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersviile, NC 28078
[phone]
LABORATORY CONTROL SAMPLE: 3264329
Spike LCS LCS % Rec
Parameter Units Conc. Result % Rec Limits Qualifiers
Oil and Grease mg1L 40 36.9 92 78-114
MATRIX SPIKE SAMPLE:
Parameter
3264330
Units
35631744002
Result
Spike MS MS % Rec
Conc. Result % Rec Limits Qualifiers
Oil and Grease
mg/L
1 A U
40 15.3 36 78-114
SAMPLE DUPLICATE: 3264331
92537246001
Dup
Parameter
Units
Result
Result RPD Qualifiers
Oil and Grease
mg/L
ND
11.4.1
Resutts presented on this page are In the units Indicated by the "Units" colurrm except where an artemate unit is presented to the right of the resutt.
REPORT OF LABORATORY ANALYSIS
This report shall not to reproduced, except in full,
Date: 05/14/2021 04:50 PM without the written consent of Pace Analytical Services, LLC. Page 5 of 13

1aceAnalytical e
vrww.p8eel86s con
QUALITY CONTROL DATA
Project: 828-409-3596 DP-1
Pace Project No.: 92536403
QC Batch: 618816 Analysis Method: SM 254OD-2011
QC Batch Method: SM 25400-2011 t Analysis Description: 2540D Total Suspended Solids
Laboratory: Pace Analytical Services -Asheville
Associated Lab Samples: 92536403001
METHOD BLANK: 3256151
Associated Lab Samples: 92536403001
Parameter Units
Total Suspended Solids mg/L
LABORATORY CONTROL SAMPLE: 3256152
Parameter Units
Total Suspended Solids mg/L
SAMPLE DUPLICATE: 3256292
Parameter
Total Suspended Solids
SAMPLE DUPLICATE: 3256293
Parameter
Total Suspended Solids
Pace Analytical Services, LLC
9800 KinceyAve. Suite 100
Huntersviile, NC 28078
[phone]
Matrix: Water
Blank Reporting
Result Limit Analyzed Qualifiers
NO 2.5 05/06/2122:06
Spike LCS LCS % Rec
Conc. Result % Rec Limits Qualifiers
250 258 103 90-110
92536425001 Dup
Units Result Result
mg/L 235 239
92536431001 Dup
Units Result Result
mg/L 203 203
RPD Qualifiers
2
RPD Qualifiers
4
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: 05/14/2021 04:50 PM without the written consent of Pace Analytical Services, LLC.
Page 6 of 13

aceAnaIXical e
arrwtpacelabs am
QUALITY CONTROL DATA
Project: 828409-3596 DP-1
Pace Project No.: 92536403
QC Batch: 619192 Analysis Method: EPA9040C
QC Batch Method: EPA 9040C Analysis Description: 9040 pH
Laboratory: Pace Analytical Services - Asheville
Associated Lab Samples: 92536403001
SAMPLE DUPLICATE: 3257845
92535411001 Dup
Parameter Units Result Result RPD Qualifiers
pH at 25 Degrees C Std. Units 7.6 7.5 1 H3
SAMPLE DUPLICATE: 3257846
92536889002 Dup
Parameter Units Result Result RPD Qualifiers
pH at 25 Degrees C Std. Units 6.6 6.2 5 D6,1-13
Pace Analytical Services, LLC
98001C ncey Ave. Suite 100
Huntersvilie, 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 resutt.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 05/14/2021 04:50 PM without the written consent of Pace Analytical Services, LLC.
Page 7 of 13

ace Analyticalo
unrrr pac dabn emn
QUALIFIERS
Project: 828-409-3596 DPA
Pace Project No.: 92536403
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.
Paco Analytical Services, LLC
9800 KinceyAve. Suite 100
Huntersville, NC 28078
[phone]
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-Nitrosodiphenytamine 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.
ANALYTE QUALIFIERS
D6 The precision between the sample and sample duplicate exceeded laboratory control limits.
H3 Sample was received or analysis requested beyond the recognized method holding time.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 05/14/2021 04:50 PM without the written consent of Pace Analytical Services, L-C. Page 8 of 13

aceAnalytical
trw.paW&bscom
QUALITY CONTROL DATA CROSS REFERENCE TABLE
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, PVC 28078
[phone]
Project: 828-409-3596 DP-1
Pace Project No.: 92536403
Analytical
l Lab ID Sample ID QC Batch Method QC Batch Analytical Method Batch
92536403001
DP-1
EPA1664B
620390
92636403001
DPA
SM 2540D-2011
618816
92636403001
DPA
EPA 9040C
619192
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except In full,
Date: 05/14/2021 04:50 PM without the written consent of Pace Analytical Services, I.I.C.
Page 9 of 13

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Document Name:
1Cr71 Sample Condition Upon Recei
AnaloDocument No.:
F-CAR-CS-033-Rev.07
*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/8015 (water) DOC, LLHII
"Bottom half of box is to list number of bottles
Document Revised: October 28, 2020
Page 2 of 2
issuing Authority:
Pace Carolinas Qualltv Office
Proje Wa# : 925364a3
PM: TIN Due Date: 05/17/21
CLIENT: 82-MACLEOD
IMMMMMMMMMMMMMMMMI
pH Adjustment Log for Preserved
pH Adjustment Log for Preserved
Samples
sample 10
Type of Preservative
pH upon receipt
Date preservation adjusted
Time preseraation
adjusted
Amount of Preservative
added
Lot a
lZU. xracaeucr %acre rs a orscrepancy arrecung worm urouna compuance samples, a copy or ims rorm wtu oe sent to the Norm Carolina UEHNR Certification Office (i.e.
Out of hold, incorrect preservative, out of temp, Incorrect containers.
Page 12 of 13

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s� Sample Receiving Non -form �
^M^- nrm tNr.F)
fete: �I3I G Evaluated by: ConAM WQ# : 92536443 :e
Client: rc W PM: TIN
Due
V CLIENT: 82-MRCLEOQ 'ate: OS/17/21
1
1. if Chain -of -Custody (COC) Is not received:, contact client and if necessary, fill out a COC and Indicate that it was filled out by
lab personnel. Note Issues on this NCR
2. If Cf)C in Ini-mmntata ..a..,.,i..
Collection date me missing or
Incorrect I j
•{va.r■v •aauca uv1un and rauu detaus where
Analyses or analytes: missing or
appropriate:
Samples listed on COC do not match samples
Sample F on COC do not
clarification needed
received (missing,additional, etc.
COmmentS/Detalla/�thar
match sample labels
icm�na
nn+
Required trip blanks were not received
I:efad .�....,,..
Required si natures are missing r ..
tj ( 66 6(1+ kttS "'6�3,2) t+.tOcm
`e'or jak 0
13�0
b0+� If
3. Sample integrity Issues: check applicable issues below and add details whara nnnrnnr12ia-
not within acceptance criteria (typicaify-
1 1 I em erature: Samples arrived frozen
Cooler damaged or Custody Seals: Missing or compromised on
sed sam les, tri blanks or coolers I I Vials received with Imnrnnar handena,
or
=-ALL-C-011-rev.00, 05Ju12018
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