NCG140398_2021 DMR_20210405

i1aceAnalytical
www.pacelabs.com
March 29, 2021
Gary Kilker
Carolina Ready Mix
606 Old US Highway 70
Ridgecrest, NC 28770
RE: Project: Stormwater 3/16
Pace Project No.: 92528142
Dear Gary Kilker:
Pace Analytical Services, LLC
2225 Riverside Dr.
Asheville, NC 28804
[phone]
Enclosed are the analytical results for sample(s) received by the laboratory on March 17, 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
If you have any questions concerning this report, please feel free to contact me.
Sincerely,
Chris Derouen
[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 14

aceAnalytical
www.pacolabstom
Project: Stormwater 3/16
Pace Project No.: 92528142
Pace Analytical Services, LLC
2225 Riverside Dr.
Asheville, NC 28804
[phone]
Pace Analytical Services Asheville
2225 Riverside Drive, Asheville, NC 28804
Florida/NELAP Certification #: E87648
North Carolina Drinking Water Certification #: 37712
CERTIFICATIONS
North Carolina Wastewater Certification #: 40
South Carolina Certification #: 99030001
Virginia/VELAP Certification #: 460222
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC. Page 2 of 14

aceAnalXical o
www.pacelabs,com
Project: Stormwater 3/16
Pace Project No.: 92528142
Lab ID Sample ID
92528142001 MARSHALL
92528142002 FLETCHER
92528142003 SWANNANOA PLANT
PASI-A= Pace Analytical Services -Asheville
Pace Analytical Services, LLC
2225 Riverside Dr.
Asheville, NC 28804
[phone]
SAMPLE ANALYTE COUNT
Method
Analysts
Analytes
Reported
Laboratory
SM 2540D-2011
RED
1
PASI-A
EPA 9040C
SMK
1
PASI-A
SM 2540D-2011
ZMC
1
PASI-A
EPA 9040C
SMK
1
PASI-A
SM 2540D-2011
ZMC
1
PASI-A
EPA 9040C
SMK
1
PASI-A
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 14

aceAnalytical
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ANALYTICAL RESULTS
Pace Analytical Services, LLC
2225 Riverside Dr.
Asheville, NC 28804
[phone]
Project: Stormwater 3/16
Pace Project No.: 92528142
Sample: MARSHALL Lab ID: 92528142001 Collected: 03/16/21 09:10 Received: 03/17/21 09:19 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
2540D Total Suspended Solids Analytical Method: SM 2540D-2011
Pace Analytical Services -Asheville
Total Suspended Solids 5.9 mg/L 2.5 1 03/22/21 18:34
9040 pH Analytical Method: EPA 9040C
Pace Analytical Services - Asheville
pH at 25 Degrees C 6.6 Std. Units 0.10 1 03/28/21 19:39 H3
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 03/29/2021 04:14 PM without the written consent of Pace Analytical Services, LLC. Page 4 of 14

aceAnalytical
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QUALITY CONTROL DATA
Project: Stormwater 3/16
Pace Project No.: 92528142
QC Batch: 608175 Analysis Method: SM 2540D-2011
QC Batch Method: SM 2540D-2011 Analysis Description: 2540D Total Suspended Solids
Laboratory: Pace Analytical Services - Asheville
Associated Lab Samples: 92528142001
METHOD BLANK: 3203855 Matrix: Water
Associated Lab Samples: 92528142001
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Total Suspended Solids mg/L ND 2.5 03/22/21 18:23
LABORATORY CONTROL SAMPLE:
Parameter
3203856
Units
Total Suspended Solids
mg/L
SAMPLE DUPLICATE: 3204718
Parameter
Units
Total Suspended Solids
mg/L
SAMPLE DUPLICATE: 3204719
Parameter
Units
Total Suspended Solids
mg/L
Pace Analytical Services, LLC
2225 Riverside Dr.
Asheville, NC 28804
[phone]
Spike LCS LCS % Rec
Conc. Result % Rec Limits Qualifiers
250 244 97 90-110
92528436001 Dup
Result Result RPD Qualifiers
192 204 6
92528004003 Dup
Result Result RPD Qualifiers
200 212 6
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: 03/29/2021 04:14 PM without the written consent of Pace Analytical Services, LLC. Page 7 of 14

�- aceAnalytical $�
www.pacelabs.com
1
QUALIFIERS
Project: Stormwater 3116
Pace Project No.: 92528142
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.
Pace Analytical Services, LLC
2225 Riverside Dr.
Asheville, NC 28804
[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-Diphenylhydrazin2 decomposes to and cannot be separated from Azobenzene using Method 8270. The result for each analyte is
a combined concentration.
Consistent with EPA guidelines, unrounded data are displayed and have been used to calculate % recovery and RPD values.
LCS(D) - Laboratory Control Sample (Duplicate)
MS(D) - Matrix Spike (Duplicate)
DUP - Sample Duplicate
RPD - Relative Percent Difference
NC - Not Calculable.
SG - Silica Gel - Clean -Up
U - Indicates the compound was analyzed for, but not detected.
Acid preservation may not be appropriate for 2 Chloroethylvinyl ether.
A separate vial preserved to a pH of 4-5 is recommended in SW846 Chapter 4 for the analysis of Acrolein and Acrylonitrile by EPA
Method 8260.
N-Nitrosodiphenylamine decomposes and cannot be separated from Diphenylamine using Method 8270. The result reported for
each analyte is a combined concentration.
Pace Analytical is TNI accredited. Contact your Pace PM for the current list of accredited analytes.
TNI - The NELAC Institute.
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: 03/29/2021 04:14 PM without the written consent of Pace Analytical Services, LLC. Page 10 of 14

aceAnalytical
www.pacelabs.com
QUALITY CONTROL DATA CROSS REFERENCE TABLE
Project: Stormwater 3/16
Pace Project No.: 92528142
Lab ID
Sample ID
QC Batch Method
QC Batch
92528142001
MARSHALL
SM 2540D-2011
608175
92528142002
FLETCHER
SM 2540D-2011
608176
92528142003
SWANNANOA PLANT
SM 2540D-2011
608176
92528142001
MARSHALL
EPA 9040C
609825
92528142002
FLETCHER
EPA 9040C
609825
92528142003
SWANNANOA PLANT
EPA 9040C
609825
Date: 03/29/2021 04:14 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
Pace Analytical Services, LLC
2225 Riverside Dr.
Asheville, NC 28804
[phone]
Analytical Method
Analytical
Batch
Page 11 of 14

Document Name: Document Revised: October 28, 2020
Sample Condition Upon Receipt(SCUR) Page 1 of 2
`aCBAnaViCa1' Document No.: Issuing Authority:
F-CAR-CS-033-Rev.07 Pace Carolinas Quality Office
Laboratory recgiving samples:
Asheville [}' Eden❑ Greenwood Huntersviile ❑ Raleigh❑ Mechanicsville[ Atlanta❑ Kernersville[
Client Name: pro'ect �: Wo : 92528142
1
Courier: [:]Fed'Ex ❑UPS ❑LISPS Eltlient 11
❑ Commercial ❑Pace ❑Outer:— 92528142
Custody Seal Present? ❑Yes DNo Seals Intact? ❑Yes []No
Date/initials Person Examining Contents -
Packing Material: ❑Bubble Wrap []Bubble Bags ❑None ❑ Other Biological Tissue Frozen?
❑Yes ❑Na []F!/A
Thermometer: poet []aloe QNone
Q jR Gun 10 i Type of Ice:
Correction Factor:
Cooler Temp: Add/Subtract (°C) Temp should be above freezing to VC
QSa,pies out of temp criteria. Samples on ice, cooling process
Cooler Temp Corrected (°C): hastxgun
USDA Regulated Soil ( Q N/A, water sample)
Did samples originate in a quarantine zone within the United States: CA, NY, or SC (check maps)? Did sarap;es originate from a foreign source (internationally,
❑Yes i,)No
mauomgnd—,
Com ments/Discrepancy:
Chain of Custody Present?
[yes
[]No
NIA
1.
Samples Arrived within Hold Time?
Short Hold Time Analysis (<72 hr.)?
Yes
❑Yes
(]No
: No
❑NIA
N/A
2.
3,
Rush Turn Around Time Requested?
[DNo
❑NIA
4• — ---
Sufficient Volume?
Yes
QN0
❑NIA
5.
Correct Containers Used?
-Pace Containers Used?
QYes
(]Yes
E]No
Q.-
❑NIA
❑N/A
6.
Containers Intact?
Yes
❑No
❑N/A
7.
Dissolved analysis: Samples Field Filtered?
Sample Labels Match COC?
-Includes Date/Time/ID/Analysis
hieadspace in VOA Vials (>5-6mm)?
QYes
Yes
_Matrix:__"
Yes
❑No
(]No
ONO
❑N/A
QN/A
8.
9.
10.
Trip Blank Present?
Trip Blank Custody Seals Present?
❑yes
❑Yes
❑No
❑No
ON/A
jai/A
11.
COMMENTS/SAMPLE DISCREPANCY
Lot ID ofsplit containers:
CLIENT NOTIFICATION/RESOLUTION
Person contacted:
Project Manager SCURF Review:
Project Manager SRF Review:
DateMme:
Field Data Required? ❑Yes j_jNo
Date:
Date:
Page 12 of 14

Document Name: Document Revised: October 28, 2020
Sample Condition Upon Recelpt(SCUR) Page 2 of 2
aceAnaVJcal' Document No.: Issuing Authority:
F-CAR-CS-033-Rev.07 Pace Carolinas Quality Office
*Check mark top half of box if pH and/or dechlorination Is Project tt
verified and within the acceptance range for preservation
samples.
Exceptions: VOA, Coliform, TOC, Oil and Grease, DRO/8015 (water) DOC, LLHg
**Bottom half of box is to list number of bottles
W09:92528142
PM.. COI Due Date: 03/31/21
CLIENT: 93-CarolinaR
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pH Adjustment Log for Preserved Samples
Sample ID Type of Preservative pH upon receipt Date preservation adjusted Time preservation Amount adPreservative tut N
adjusted
Note: Whenever there is a discrepancy affecting North Carolina compliance samples, a copy of this form will b- sent to the North CarolinaD€HNR Certification Office (i.e.
Out of hold, incorrect preservative, out of temp, incorrect containers.
Page 13 of 14

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