WS-5115_17541_CA_MRP_20230725

SUBSEQUENT MONITORING
REPORT
L&S MANUFACTURING (INCIDENT NO. 17541)
22650 SOUTH NC HIGHWAY 109
DENTON, DAVIDSON COUNTY, NORTH CAROLINA
ESP Project No. 23-00200-113

Prepared For:
North Carolina Department of Environmental Quality
Division of Waste Management
1646 Mail Service Center
Raleigh, North Carolina 27699-1646

Prepared By:
ESP Associates, Inc.
P. O. Box 7030
Charlotte, North Carolina 28241

July 25, 2023

ESP Associates, Inc.
P.O. Box 7030 • Charlotte, NC 28241
1.800.960.7317 • NC: 704.583.4949, fax [phone] • SC: 803.802.2440, fax [phone]
www.espassociates.com
July 25, 2023

Ms. Linda Blalock
North Carolina Department of Environmental Quality
Division of Waste Management
1646 Mail Service Center
Raleigh, North Carolina 27699-1646

Email: [e-mail]

Reference: SUBSEQUENT MONITORING REPORT
L&S Manufacturing (Incident #17541)
22650 South NC Highway 109
Denton, Davidson County, North Carolina
ESP Project No. 23-00200-113

Dear Ms. Blalock:

ESP Associates, Inc. (ESP) is pleased to present this Subsequent Monitoring Report documenting
activities performed at the subject site, L&S Manufacturing, in accordance with North Carolina
Department of Environmental Quality (NCDEQ), Task Authorization No. 1, approved on May 19,
2023. The subject site is located at 22650 South NC Highway 109, Denton, Davidson County, North
Carolina.

We appreciate the opportunity to provide environmental services on this project. If you should
have any questions, please do not hesitate to contact us at [phone].

Sincerely,
ESP Associates, Inc.
Matthew R. Craig Christopher J. Ward, PG, RSM
Project Manager Senior Project Geologist

Attachment – Subsequent Monitoring Report

TABLE OF CONTENTS

Section Page

SITE INFORMATION ..................................................................................................................... i

EXECUTIVE SUMMARY ............................................................................................................. iii

1.0 INTRODUCTION ............................................................................................................... 1
1.1 SITE SETTING ........................................................................................................... 1
1.2 SITE GEOLOGY AND HYDROGEOLOGY ................................................................. 1
1.3 SURFACE WATER ..................................................................................................... 2
1.4 WATER SUPPLY WELLS ........................................................................................... 2

2.0 SITE HISTORY .................................................................................................................. 3

3.0 FIELD ACTIVITIES ........................................................................................................... 4
3.1 WATER LEVEL GAUGING ........................................................................................ 4
3.2 FREE PRODUCTION EVALUATION .......................................................................... 4
3.3 GROUNDWATER SAMPLING ................................................................................... 4
3.4 FIELD QUALITY CONTROL SAMPLING AND ANALYSIS ....................................... 5
3.5 WATER SUPPLY WELL SAMPLING ......................................................................... 5

4.0 GROUNDWATER ANALYTICAL RESULTS .................................................................... 6

5.0 CONCLUSIONS AND RECOMMENDATIONS ................................................................. 7

6.0 REFERENCES ................................................................................................................... 8

FIGURES
Figure 1 USGS Topographic Site Location Map
Figure 2 Site Map
Figure 3 Groundwater Results Map
Figure 4 Benzene Isoconcentration Map
Figure 5 Water Supply Well Radius Map

TABLES
Table 1 Water Supply Well Information
Table 2 Monitoring Well Construction and Groundwater Elevation Data
Table 3 Summary of Groundwater Analytical Results

APPENDICES
Appendix A Historical Water Level and Groundwater Analytical Results Information
Appendix B Field Documentation and Site Photographs
Appendix C Laboratory Data Reports
Subsequent Monitoring Report ESP Project No. 23-00200-113
L&S Manufacturing (Incident # 17541) July 25, 2023

i

SITE INFORMATION

Date of Report: July 25, 2023
NCDEQ Incident No: 17541
NCDEQ UST No.: WS-5115
Site Name: L&S Manufacturing
Site Location: 22650 South NC Highway 109
Denton, Davidson County, North Carolina 27239

Latitude: N 350 33’ 53.93”
Longitude: W 800 5’ 53.92”

UST Owner/ Operator: N/A - NCDEQ State Lead Program

Current Property
Owner: Michael Beck
22690 South NC Highway 109
Denton, North Carolina 27239

Current Property
Occupant: 109 Wholesale Appliances
(843)-834-5528

Consultant: ESP Associates, Inc.
P.O. Box 7030
Charlotte, North Carolina 28241
[phone]

Laboratory: Pace Analytical Services, LLC
NCDEQ No. 5342
9800 Kincey Avenue
Huntersville, North Carolina 28028
[phone]

Release Information: Release Discovery Date: June 1996
Estimated Quantity: Unknown
Cause of Release: Underground Storage Tank (UST) System
Source of Release: Unknown (Note: Partial components of a UST
system were removed in 1996, but this is not considered the genesis
of the contamination.)

Subsequent Monitoring Report ESP Project No. 23-00200-113
L&S Manufacturing (Incident # 17541) July 25, 2023

ii

I, Christopher J. Ward, a Professional Geologist for ESP Associates, Inc., do certify that the
information contained in this report is correct and accurate to the best of my knowledge.

ESP Associates, Inc. is licensed to practice both geology and engineering in North Carolina. ESP
Associates, Inc.’s certification numbers are: Geology: C-556 / Engineering: F-1407

Subsequent Monitoring Report ESP Project No. 23-00200-113
L&S Manufacturing (Incident # 17541) July 25, 2023

iii

EXECUTIVE SUMMARY

This executive summary section provides an abbreviated reporting of our Site observations and
findings. Refer to the main text and appendices for a complete reporting of our observations and
findings.

ESP Associates, Inc (ESP) has completed a Subsequent Monitoring Report documenting
assessment activity performed at L&S Manufacturing (Incident No. 17541). The site is an
approximate 7.13-acre commercial site (Tax Parcel ID. 667603324629) located at 22690 South NC
Highway 109 in Denton, Davidson County, North Carolina. This report was completed to summarize
the findings of assessment activities performed on June 27, 2023, in accordance with North Carolina
Department of Environmental Quality (NCDEQ) Task Authorization No. 1, approved on May 12,
2023.

The work was performed as part of the State Lead Contract #N70522-D between NCDEQ and ESP
Associates, Inc. This report was prepared in general accordance with the 15A NCAC 2L .0115
regulations and the NCDEQ UST Section Guidelines for Assessment and Corrective Action for UST
Releases, January 2021, under the supervision of Christopher J. Ward, North Carolina registered
professional geologist (North Carolina License No. 1600).

Field activities performed by ESP on June 27, 2023, included:
• Gauging static water levels in existing site monitoring wells MW-1, MW-2, and MW-3D;
• Removal and replacement of oxidation sleeve from MW-1; and
• Collecting groundwater samples from monitoring wells MW-1, MW-2, and MW-3D,
including a field duplicate collected from MW-1.

The collected groundwater samples were analyzed for volatile organic compounds (VOCs) and
compared to both North Carolina Groundwater Quality Standards 15A NCAC 2L .0202 (2L
Standards) and Gross Contaminant Levels (GCLs).

Based on results of the above sampling activities, ESP concludes the following:
• The static water levels at the site ranged from 3.50 to 21.40 ft bTOC;
• The general direction of groundwater flow beneath the site is inferred based on topography
to be toward the south-southeast;
• Benzene was the only analyte detected above 2L standards in the groundwater samples.
Benzene was reported at a concentrations of 27.7 µg/L in MW-1, 68.0 µg/L in MW-2, and
27.9 µg/L in the field duplicate (MW-1);
• No analytes that were detected at concentrations greater than their respective laboratory
MDLs in MW-3D; and
Subsequent Monitoring Report ESP Project No. 23-00200-113
L&S Manufacturing (Incident # 17541) July 25, 2023

iv

• All previous analytical results including the last three annual sampling events, have
reported that all analytes have been below their GCLs.

Based on the above results, ESP offers the following recommendations:
• Conduct another groundwater sampling event in 6 months. If contaminant concentrations
remain below GCLs consider closing the release incident with a Notice of Residual
Petroleum (NORP).

Subsequent Monitoring Report ESP Project No. 23-00200-113
L&S Manufacturing (Incident # 17541) July 25, 2023

1

1.0 INTRODUCTION

1.1 Site Setting

The L&S Manufacturing site is an approximate 7.13-acre commercial site (Tax Parcel ID.
667603324629) located at 22650 South NC Highway 109, Denton, Davidson County, North Carolina
(see Figures 1 and 2). The site contains one main commercial warehouse structure, situated along
the site’s eastern boundary, adjacent to US Highway 109, along with a smaller warehouse-type
structure located southwest of the main structure. The site is bounded to the north and west by
undeveloped wooded land, to the east by US Highway 109 and beyond by undeveloped parcels, and
to the south by agricultural fields.

1.2 Site Geology and Hydrogeology

Surface and subsurface drainage and geology are of interest since they provide an indication of the
direction that contamination, if present on-site or off-site, could be transported.

The site is located within the Carolina Slate Belt of the Piedmont Physiographic Province. The
Piedmont Physiographic Province generally consists of low to medium elevation, rounded hills,
and long rolling northeast to southwest trending ridges with incised creeks and river channels.
Rocks in the site area are described as consisting of metamudstone and meta-argillite. In-place
chemical and physical weathering of parent rocks typically form residual soils in the Piedmont
region. Weathering is facilitated by the presence of fractures, joints, and less resistant minerals in
the rock. In areas not altered by erosion, alluvial deposition or the activities of man, the typical
residual soil profile consists of clay-rich unconsolidated materials at the surface, transitioning to
sandy silts and silty sands at depth. Typically, the boundary between soil and rock is not sharply
defined. This transitional zone is termed “partially weathered rock” or saprolite. This transitional
zone is termed “partially weathered rock”.

In the Piedmont, groundwater generally occurs in pore spaces within soils and in the structural
features present in the underlying rock (i.e., joints, fractures, and faults). Recharge to the water
table is primarily by precipitation infiltrating the surficial soils and percolating downward under
the influence of gravity to the water table. Typically, the water table is not a level surface, but a
subdued reflection of the land surface. The depth to the water table is not consistent and is
dependent upon several factors including the amount of rainfall, permeability of the soil, the
magnitude of fracturing in the bedrock and the influences of groundwater pumping.

The direction and movement of groundwater through soil is generally dependent on soil type, the
presence of relict bedrock structures, and the texture of the underlying rock. Fractures, faults,
folds, foliation planes, dikes and sills affect the migration of groundwater in rock. A series of N-
S oriented dikes occur generally within the site area, though no major geologic features are known
Subsequent Monitoring Report ESP Project No. 23-00200-113
L&S Manufacturing (Incident # 17541) July 25, 2023

2

to occur directly at the site. Groundwater typically flows in directions parallel to the ground surface
and under the influence of gravity, migrates to discharge points such as surface water features, the
toes of slopes or natural springs. Fluctuations in the depth of the water table can be expected
depending on variations in precipitation, surface water run-off and other factors. Normally, the
highest levels of the water table occur in late winter and spring and the lowest levels occur in the
late summer and fall. Based on surface topography, shallow groundwater at the site is inferred to
flow to the south-southeast towards undeveloped, wooded property.

Information obtained from the Davidson County Soil Survey depicts soils on the site as Fairview-
Urban land complex (FfC). Although the soils at the site are mapped as Fairview-Urban land
complex, the natural characteristics of the shallow soils may have been altered, removed, or
destroyed by grading, cutting and/or filling as part of the past development of the site.

1.3 Surface Water

USGS topographic maps list the closest surface water feature to the source area as an unnamed north-
flowing tributary of Cabin Creek located approximately 910 feet east of the site (see Figure 1).

1.4 Water Supply Wells

A total of four water supply wells (WSWs) were previously identified by others as being located
within 1,000 ft of the source area as documented in Table 1. The approximate locations of the four
WSWs (WSW-1 through WSW-4) are depicted on Figure 5. WSW-1, WSW-3, and WSW-4 have
been identified as being inactive while WSW-2 has been reported to be active. The four WSWs,
based on inferred groundwater flow direction at the site, are located upgradient of the source area at
approximate distances of between 475 to 950 feet from the source area. A previous consultant
reportedly contacted the owner of water supply wells WSW-1, WSW-3, and WSW-4 in an attempt
to secure an agreement to abandon the water supply wells. The owner did not agree to allow the
abandonment of the water supply wells. The consultant also attempted to contact the owner of
WSW-2, but did not receive a response. The owner of WSW-2 had previously denied the
consultant access to the property.

Subsequent Monitoring Report ESP Project No. 23-00200-113
L&S Manufacturing (Incident # 17541) July 25, 2023

3

2.0 SITE HISTORY

The following description of historical site activities was obtained from a report titled “Annual
Monitoring Report, L&S Manufacturing” by Terracon Consultants, Inc (Terracon) dated May 10,
2022:
• On January 14 and 15, 1997, contaminated soil was excavated from an area within a surface
spill reported in June 1996 . Along with the soil, several parts of a UST system, including
potential ventilation lines, UST anchors, and a dispenser island pad were removed.

• Samples collected from the main excavation basin and three additional ‘test pits’ revealed
TPH - gasoline range organics (GRO) above the method detection limit (MDL) in all
samples collected. The samples from test pits 1 and 2 showed GRO above the State Action
Level of 50 mg/kg.

• On March 19, 2020, Engineering Consulting Services (ECS) performed a Phase I Limited
Site Assessment (LSA). A soil boring along the northwestern portion of the site to a depth
of 18.5 ft bgs for the purposes of sample collection. Samples collected indicate constituents
above the Maximum Soil Contaminant Concentration (MSCC) and the MDL for the lab.

• ECS installed monitoring well MW-1 to a depth of 30 ft bgs on January 15 2020.
Groundwater samples were collected after well completion and analyzed for VOCs by EPA
Method 6200B. Lab results indicated benzene, 1,2 dichloroethane, and chromium were at
concentrations exceeding their 2L standards. No constituents were detected above GCLs.

• On April 26 2021, Terracon advanced three soil borings adjacent to the former UST location
to assess soils for petroleum constituents. Soil samples collected were all above MSCCs for
petroleum, C9-C22 Aromatics, and C5-C8 Aliphatics.

• On April 27, 2021, Terracon mobilized to install monitoring wells MW-2, MW-3S, and
MW-3D. Groundwater samples were collected from these MW-1 and MW-2 to analyze for
VOCs. Terracon did not sample MW-3D, citing a slow recharge rate as the reason. Samples
from MW-1 and MW-2 contained multiple petroleum constituents above the 2L standard.

• On April 20, 2022, Terracon collected groundwater samples from three of the on-site
monitoring wells (MW-1, MW-2, and MW-3D). An ORC sleeve was also installed in MW-
1. Benzene was reported in groundwater sample MW-1 above its 2L Standard but below
the GCL. Di-isopropyl Ether was also detected in MW-1 at a concentration exceeding its
laboratory detection limit, but below the 2L standard. Petroleum constituents were not
detected in monitoring wells MW-2 or MW-3D at concentrations exceeding the laboratory
MDLs.

Subsequent Monitoring Report ESP Project No. 23-00200-113
L&S Manufacturing (Incident # 17541) July 25, 2023

4

3.0 FIELD ACTIVITIES

Field activities performed by ESP on June 27, 2023, included:
• Gauging static water levels in existing site monitoring wells MW-1, MW-2, and MW-3D;
• Removal and replacement of oxidation sleeve from MW-1; and
• Collecting groundwater samples from monitoring wells MW-1, MW-2, and MW-3D,
including a field duplicate collected from MW-1.

As provided in Appendix B, site photographs, field logbook entries along with water level survey,
groundwater sampling, and field instrument calibration forms were completed in the field to
document site activities. Details of these activities are provided below.

3.1 Water Level Gauging

On June 27, 2023, prior to purging or collecting a groundwater sample, depth to groundwater from
the top of casing (TOC) within monitoring wells MW-1, MW-2 and MW-3D were measured and
recorded using a decontaminated electronic water level meter. The water level measurements were
collected by first removing the cover and plunger cap from the monitoring well and allowing water
within the well to stabilize. The electronic water level meter probe was then lowered into the well
and the depth to water measured relative to the well’s TOC.

As noted on Table 2, the static water level depth below TOC (ft bTOC) was 3.82 feet in MW-1,
3.50 ft in MW-2, and 21.40 ft MW-3D. It has previously been reported that it is believed that the
groundwater in this area exists in fractures in the bedrock and is under pressure. Based on having
only two applicable water level elevations, a groundwater flow map could not be constructed.

3.2 Free Product Evaluation

During the June 27, 2023, gauging event, free product was not detected in either MW-1, MW-2,
or MW-3D.

3.3 Groundwater Sampling

On June 27, 2023, groundwater samples were collected from monitoring well MW-1, MW-2, and
MW-3D. Groundwater samples were collected using a dedicated and disposable polyvinyl
chloride (PVC) bailer (1.5” x 3’) attached to braided nylon rope. Prior to groundwater sample
collection, the well was purged using the bailer. During purging, water quality parameters
including pH, conductivity, temperature, and turbidity were measured using calibrated field water
quality instruments. Readings were taken at the start of purging and periodically until a minimum
of three well volumes were removed from the well and water quality parameters stabilized.
Following purging, a groundwater sample for laboratory analysis was collected from the well using
Subsequent Monitoring Report ESP Project No. 23-00200-113
L&S Manufacturing (Incident # 17541) July 25, 2023

5

the bailer. The water quality parameters were recorded on groundwater sampling forms along with
time, water level depth, and cumulative volume of water purged (see groundwater sampling forms
in Appendix B).

Groundwater samples were collected following Guidelines for Sampling by the Underground
Storage Tank Section, Division of Waste Management, North Carolina Department of
Environmental Quality (NCDEQ, 2022). Groundwater samples were placed in laboratory-prepared
vials preserved with hydrochloric acid (HCl), labeled, and stored on ice in a cooler for subsequent
delivery under standard chain-of-custody (COC) procedures to Pace Analytical (Pace), a North
Carolina-certified laboratory, located in Huntersville, North Carolina, for analysis. The
groundwater samples were analyzed for volatile organic compounds (VOCs) by EPA Method
6200B including MTBE, EDB, and IPE.

3.4 Field Quality Control Sampling and Analysis

One field duplicate groundwater sample was prepared by collecting an additional groundwater
sample from MW-1. The sample was placed into laboratory-prepared vials preserved with HCl
immediately following the collection of the standard sample for MW-1. The field duplicate was
analyzed for VOCs to assess potential field contamination and affirm the accuracy of the analytical
results.

3.5 Water Supply Well Sampling

Off-site water supply wells as depicted on Figure 5 were not sampled during this field effort. It has
been reported that previous attempts to obtain permission to sample WSW-1, WSW-2, WSW-3, and
WSW-4 have not been successful.

Subsequent Monitoring Report ESP Project No. 23-00200-113
L&S Manufacturing (Incident # 17541) July 25, 2023

6

4.0 GROUNDWATER ANALYTICAL RESULTS

Results of the laboratory analysis of groundwater samples MW-1, MW-2, and MW-3D along with
the field duplicate (MW-1) are tabulated in Table 3. As noted in Table 3, the groundwater
analytical results are compared to both 2L standards and GCLs. The Pace laboratory analytical
report is provided in Appendix C. A summary of findings are noted below:
• No analytes were detected at concentrations greater than their respective GCLs in any of
the analyzed groundwater or field duplicate samples;
• Benzene was the only analyte detected above 2L standards in the groundwater samples.
Benzene was reported at a concentrations of 27.7 µg/L in MW-1, 68.0 µg/L in MW-2, and
27.9 µg/L in the field duplicate (MW-1);
• No analytes that were detected at concentrations greater than their respective laboratory
MDLs in MW-3D; and
• Results of the laboratory analysis of the field duplicate groundwater sample (field duplicate
[MW-1]) were very consistent with the analytical results for sample MW-1.

As compared to the previous two sampling events, VOC concentrations in site monitoring wells
across the site have mixed results. Benzene increased from 2.10 µg/L to 27.7 µg/L in MW-1 and
decreased from 1,720 µg/L to 68.0 µg/L in MW-2. Analytes in MW-3D continue to remain lower
than their 2L standards.

Groundwater analytical results that exceeded their respective 2L relative to each well location are
depicted on Figure 3 while Figure 4 depicts the lateral extent of the dissolved benzene
groundwater plume.

Subsequent Monitoring Report ESP Project No. 23-00200-113
L&S Manufacturing (Incident # 17541) July 25, 2023

7

5.0 CONCLUSIONS AND RECOMMENDATIONS

Based on results of the above sampling activities, ESP concludes the following:
• The static water levels at the site ranged from 3.50 to 21.40 ft bTOC
• The general direction of groundwater flow beneath the site is inferred based on topography
to be toward the south-southeast;
• Benzene was the only analyte detected above 2L standards in the groundwater samples.
Benzene was reported at a concentrations of 27.7 µg/L in MW-1, 68.0 µg/L in MW-2, and
27.9 µg/L in the field duplicate (MW-1);
• No analytes that were detected at concentrations greater than their respective laboratory
MDLs in MW-3D; and
• All previous analytical results including the last three annual sampling events, have
reported that all analytes have been below their GCLs.

Based on the above results, ESP offers the following recommendations:
• Conduct another groundwater sampling event in 6 months. If contaminant concentrations
remain below GCLs consider closing the release incident with a Notice of Residual
Petroleum (NORP).

Subsequent Monitoring Report ESP Project No. 23-00200-113
L&S Manufacturing (Incident # 17541) July 25, 2023

8

6.0 REFERENCES

Davidson County GIS
https://webgis.co.davidson.nc.us/website/davidsongis/default.htm

Guideline for Sampling Underground Storage Tank Section, Division of Waste Management,
North Carolina Division of Environmental Quality, March 7, 2022, Change 4.

North Carolina Geological Survey, 1985, Geologic Map of North Carolina: Denton, North
Carolina Department of Natural Resources and Community Development, Geological Survey
Section, scale 1:500,000, in color.

Mineral Resources Online Spatial Data: Geologic Maps,
https://mrdata.usgs.gov/geology/state/map-us.html#.

Terracon Consultants Inc., May 10, 2022 “Annual Monitoring Report, L&S Manufacturing
(Incident #17541), 22650 NC Highway 109, Denton, Davidson County, North Carolina”

FIGURES
0 350 700Feet
ESP Associates, Inc.
P.O. Box 7030Charlotte, NC 28241
Phone [phone]
www.espassociates.com
SHEET TITLE
PROJECT
PROJECT NO.
SCALE
DRAWN BY
CHECKED BY
23-00200-113
ET
CWDATE07/13/2023
FIGURE 1USGS TOPOGRAPHIC SITE LOCATION MAPµAs Shown
DENTON, NORTH CAROLINA
SITE BOUNDARY
All locations are approximate.
L&S MANUFACTURING
LEGEND:
<
<
<MW-1MW-2
MW-3D/MW-3S
WAREHOUSE
N
C

H
WY-1
0
9
FORMER UST LOCATION
0 40 80Feet
ESP Associates, Inc.
P.O. Box 7030Charlotte, NC 28241
Phone [phone]
www.espassociates.com
SHEET TITLE
PROJECT
PROJECT NO.
SCALE
DRAWN BY
CHECKED BY
23-00200-113
ET
CWDATE07/13/2023
FIGURE 2SITE MAPµAs Shown
DENTON, NORTH CAROLINA
SITE BOUNDARY
MONITORING WELL
All locations are approximate.
L&S MANUFACTURING
LEGEND:
<
NCDEQ Incident No. 17541
L&S Manufacturing
22650 NC Hwy 109
Denton, North Carolina
<
<<MW-1MW-2
MW-3D/MW-3S
N
C
H
WY-1
0
9
EDED
ED
ED
WSW-1 WSW-2
WSW-3
WSW-4
0 110 220Feet
ESP Associates, Inc.
P.O. Box 7030Charlotte, NC 28241
Phone [phone]
www.espassociates.com
SHEET TITLE
PROJECT
PROJECT NO.
SCALE
DRAWN BY
CHECKED BY
23-00200-113
ET
CWDATE07/13/2023
FIGURE 4GROUNDWATER RESULTS MAPµAs Shown
DENTON, NORTH CAROLINA
SITE BOUNDARY
MONITORING WELL
WATER SUPPLY WELL
All locations are approximate.
L&S MANUFACTURING
LEGEND:
<
ED
Yellow highlighted values are greater than
the GCL.
Only analytes above 2L Standards shown.
NS - NOT SAMPLED
NS
NS
NSNS
NS
NCDEQ Incident No. 17541
L&S Manufacturing
22650 NC Hwy 109
Denton, North Carolina
<
<<MW-1MW-2
MW-3D/MW-3S
N
C
H
WY-1
0
9
EDED
ED
ED
WSW-1 WSW-2
WSW-3
WSW-4
0 110 220Feet
ESP Associates, Inc.
P.O. Box 7030Charlotte, NC 28241
Phone [phone]
www.espassociates.com
SHEET TITLE
PROJECT
PROJECT NO.
SCALE
DRAWN BY
CHECKED BY
23-00200-113
ET
CWDATE07/13/2023
FIGURE 5BENZENE ISOCONCENTRATION MAPµAs Shown
DENTON, NORTH CAROLINA
SITE BOUNDARY
MONITORING WELL
WATER SUPPLY WELL
APPROXIMATE CONCENTRATION CONTOUR
All locations are approximate.
L&S MANUFACTURING
LEGEND:
<
ED
Benzene Comparison Criteria:2L Standard - 1 ug/L
GCL - 5,000 ug/L
ND - not detectedNS - not sampled
NS
NS
NS
NS
ND
27.7 ug/L
68.0 ug/L
1 u
g
/
L
20
u
g
/
L
N
C

H
WY
-
1
0
9
EDED
ED
ED
WSW-1 WSW-2
WSW-3
WSW-4
500-ft
1,000-ft
0 110 220Feet
ESP Associates, Inc.
P.O. Box 7030Charlotte, NC 28241
Phone [phone]
www.espassociates.com
SHEET TITLE
PROJECT
PROJECT NO.
SCALE
DRAWN BY
CHECKED BY
23-00200-113
ET
CWDATE07/13/2023
FIGURE 5WATER SUPPLY WELL RADIUS MAPµAs Shown
DENTON, NORTH CAROLINA
SITE BOUNDARY
WATER SUPPLY WELL
RIVERINE WETLANDS
All locations are approximate.
L&S MANUFACTURING
LEGEND:
ED

TABLES
Table 1
Water Supply Well Information
L&S Manufacturing
Denton, North Carolina
Incident No. 17541
Well No.Property
Owner Owner Mailing Address Property Address Distance From
Source Area (Ft)
Hydraulic
relationship to
Source Area
Well Status/
Use
Municipal
Water Tax Parcel ID
WSW-1 James M. Stepp,
Sr.
22466 S NC Highway 109
Denton, NC 27239
22550 S NC Highway 109
Denton, NC 27239 ~475 ft N Upgradient Inactive Unknown 1002300000006
WSW-2 Douglas A.
Cook
22541 S NC Highway 109
Denton, NC 27239
22541 S NC Highway 109
Denton, NC 27239 ~600 ft NE Upgradient Active/In Use Unknown 1002300000017
WSW-3 James M. Stepp,
Sr.
22466 S NC Highway 109
Denton, NC 27239
22510 S NC Highway 109
Denton, NC 27239 ~725 ft NNW Upgradient Inactive Unknown 1002300000020
WSW-4 James M. Stepp,
Sr.
22466 S NC Highway 109
Denton, NC 27239
22466 S NC Highway 109
Denton, NC 27239 ~950 ft N Upgradient Inactive Unknown 1001200000019
Notes:
ft - feet
Distances, well status and usage were obtained from previous monitoring reports
Table 2
Monitoring Well Construction and Groundwater Elevation Data
L&S Manufacturing
Denton, North Carolina
Incident No. 17541
Well ID Date
Intalled
Screened Interval
(ft BGS) a
Bottom of
Well
(ft BGS)
Top of Casing
Elevation
(ft) a,b
Date Water
Level Measured
Depth to Water
from Top of
Casing
(ft bTOC)
Groundwater
Elevation
(ft)
4/27/2021 2.83 97.17
4/20/2022 1.82 98.18
6/27/2023 3.82 96.18
4/27/2021 2.96 97.08
4/20/2022 2.06 97.98
6/27/2023 3.50 96.54
4/27/2021 NG NG
4/20/2022 23.12 75.97
6/27/2023 NG NG
4/27/2021 42.27 56.92
4/20/2022 26.82 72.37
6/27/2023 21.40 77.79
Notes:
a Top of casing elevations, screened intervals, and bottom of well measurements are from previous consultants' monitoring reports (see Appendix A).
b Top of casing elevations are based off of an assumed benchmark elevation of 100.00 ft given to MW-1.
BGS - below ground surface
ft - feet
ft bTOC - feet below TOC
TOC - top of casing
NG - not gauged
MW-2 4/27/2021 30-40 40 100.04
MW-1 1/14/2020 20-30 30 100.00
MW-3D 4/27/2021 35-45 45 99.19
MW-3S 4/27/2021 15-25 25 99.09
Table 3
Summary of Groundwater Analytical Results
L&S Manufacturing
Denton, North Carolina
Incident No. 17541
1 70 0.02 70 600 70 20 6 70 600 400 400 500 500 500
5,000 5,900 50 70,000 80,000 30,500 20,000 6,000 26,100 260,000 28,500 24,100 50,000 50,000 50,000
1/15/20 23.6 1.0 0.72 ND 3.9 1.0 ND 5.2 3.3 1.2 18.1 5.2 47.4 NR NR
4/27/21 2.10 <1.00 <1.00 1.44 <1.00 <1.00 ND <5.00 <1.00 <1.00 <1.00 <1.00 <2.00 NR NR
4/26/22 10.50 <1.00 <1.00 1.25 <1.00 <1.00 ND <5.00 <1.00 <1.00 <1.00 <1.00 <2.00 NR NR
6/27/23 27.7 <0.49 <0.27 0.66 0.67 <0.33 <0.42 0.78 J <0.34 <0.24 1.1 <0.33 0.90 J 0.90 J <0.34
4/30/21 1,720 <20.0 <20.0 <20.0 158 24.8 ND <100 31.9 42.2 117 31.9 231.8 NR NR
4/26/22 <1.00 <1.00 <1.00 16.4 <1.00 <1.00 ND <5.00 <1.00 <1.00 <1.00 <1.00 <2.00 NR NR
6/27/23 68.0 <0.49 <0.27 12.7 6.4 0.62 <0.42 1.3 J 0.93 0.60 0.83 0.54 1.39 J 1.0 0.39 J
4/30/21
4/26/22 <1.00 <1.00 <1.00 16.4 <1.00 <1.00 ND <5.00 <1.00 <1.00 <1.00 <1.00 <2.00 NR NR
6/27/23 <0.34 <0.49 <0.27 <0.31 <0.30 <0.33 <0.42 <0.64 <0.34 <0.24 <0.50 <0.33 <0.71 <0.71 <0.34
Field
Duplicate
(MW-1)
6/27/23 27.9 <0.49 <0.27 0.71 0.67 <0.33 <0.42 0.81 J <0.34 <0.24 1.1 <0.33 0.84 J 0.84 J <0.34
Notes:
Samples presented prior to the June 27, 2023 sampling event were obtained from previous consultants reports.
< ## - less than method detection limit
µg/L - micrograms per liter
2L Standard - North Carolina 2L standard for groundwater
GCL - Gross Contaminant Level
J - Estimated concentration above the method detection limit and below the reporting limit.
NR - not reported
Bold values indicate constituent concentrations were greater than the 2L standard.
Yellow highlighted values indicate constituent concentrations were greater than the GCL.
MW-1
MW-2
MW-3D
Not Sampled 1,3,5-TrimethylbenzeneXylene (Total)m&p-Xyleneo-Xylene2L Standard (µg/L)MTBEGCL (µg/L)Naphthalenen-PropylbenzeneToluene1,2,4-Trimethylbenzene1,2-Dibromoethane (EDB)Diisopropyl ether (IPE)EthylbenzeneIsopropylbenzene (cumene)Sample ID Collection Date
Benzenen-Butylbenzene

APPENDIX A

APPENDIX B

APPENDIX C
#=CL#
July 03, 2023
LIMS USE: FR - CHRIS WARD
LIMS OBJECT ID: 92674663
92674663
Project:
Pace Project No.:
RE:
Chris Ward
ESP Associates
3475 Lakemont Boulevard
Fort Mill, SC 29708
L&S Manufacturing
Dear Chris Ward:
Enclosed are the analytical results for sample(s) received by the laboratory on June 27, 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 - Charlotte
If you have any questions concerning this report, please feel free to contact me.
Sincerely,
Bonnie Vang
[e-mail]
Project Manager
[phone]
Enclosures
cc:Account Payable, ESP Associates
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
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 1 of 20
#=CP#
CERTIFICATIONS
Pace Project No.:
Project:
92674663
L&S Manufacturing
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
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
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
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 2 of 20
#=SS#
SAMPLE SUMMARY
Pace Project No.:
Project:
92674663
L&S Manufacturing
Lab ID Sample ID Matrix Date Collected Date Received
92674663001 MW-3D Water 06/27/23 10:54 06/27/23 14:57
92674663002 MW-1 Water 06/27/23 11:32 06/27/23 14:57
92674663003 FIELD DUPLICATE Water 06/27/23 11:36 06/27/23 14:57
92674663004 MW-2 Water 06/27/23 12:46 06/27/23 14:57
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
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 3 of 20
#=SA#
SAMPLE ANALYTE COUNT
Pace Project No.:
Project:
92674663
L&S Manufacturing
Lab ID Sample ID Method
Analytes
Reported LaboratoryAnalysts
92674663001 MW-3D SM 6200B 63 PASI-CLMB
92674663002 MW-1 SM 6200B 63 PASI-CLMB
92674663003 FIELD DUPLICATE SM 6200B 63 PASI-CLMB
92674663004 MW-2 SM 6200B 63 PASI-CLMB
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.
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 4 of 20
#=AR#
ANALYTICAL RESULTS
Pace Project No.:
Project:
92674663
L&S Manufacturing
Sample:MW-3D Lab ID:92674663001 Collected:06/27/23 10:54 Received:06/27/23 14:57 Matrix:Water
Parameters Results Units DF Prepared Analyzed CAS No.QualMDLPQL
Analytical Method: SM 6200B
Pace Analytical Services - Charlotte
6200B MSV
Benzene <0.34 ug/L 06/30/23 12:20 71-43-20.50 0.34 1
Bromobenzene <0.29 ug/L 06/30/23 12:20 108-86-10.50 0.29 1
Bromochloromethane <0.47 ug/L 06/30/23 12:20 74-97-50.50 0.47 1
Bromodichloromethane <0.31 ug/L 06/30/23 12:20 75-27-40.50 0.31 1
Bromoform <0.34 ug/L 06/30/23 12:20 75-25-20.50 0.34 1
Bromomethane <1.7 ug/L 06/30/23 12:20 74-83-95.0 1.7 1
n-Butylbenzene <0.49 ug/L 06/30/23 12:20 104-51-80.50 0.49 1
sec-Butylbenzene <0.40 ug/L 06/30/23 12:20 135-98-80.50 0.40 1
tert-Butylbenzene <0.32 ug/L 06/30/23 12:20 98-06-60.50 0.32 1
Carbon tetrachloride <0.33 ug/L 06/30/23 12:20 56-23-50.50 0.33 1
Chlorobenzene <0.28 ug/L 06/30/23 12:20 108-90-70.50 0.28 1
Chloroethane <0.65 ug/L 06/30/23 12:20 75-00-31.0 0.65 1
Chloroform <0.43 ug/L 06/30/23 12:20 67-66-30.50 0.43 1
Chloromethane <0.54 ug/L 06/30/23 12:20 74-87-31.0 0.54 1
2-Chlorotoluene <0.32 ug/L 06/30/23 12:20 95-49-80.50 0.32 1
4-Chlorotoluene <0.32 ug/L 06/30/23 12:20 106-43-40.50 0.32 1
1,2-Dibromo-3-chloropropane <0.34 ug/L 06/30/23 12:20 96-12-81.0 0.34 1
Dibromochloromethane <0.36 ug/L 06/30/23 12:20 124-48-10.50 0.36 1
1,2-Dibromoethane (EDB)<0.27 ug/L 06/30/23 12:20 106-93-40.50 0.27 1
Dibromomethane <0.39 ug/L 06/30/23 12:20 74-95-30.50 0.39 1
1,2-Dichlorobenzene <0.34 ug/L 06/30/23 12:20 95-50-10.50 0.34 1
1,3-Dichlorobenzene <0.34 ug/L 06/30/23 12:20 541-73-10.50 0.34 1
1,4-Dichlorobenzene <0.33 ug/L 06/30/23 12:20 106-46-70.50 0.33 1
Dichlorodifluoromethane <0.35 ug/L 06/30/23 12:20 75-71-80.50 0.35 1
1,1-Dichloroethane <0.37 ug/L 06/30/23 12:20 75-34-30.50 0.37 1
1,2-Dichloroethane <0.32 ug/L 06/30/23 12:20 107-06-20.50 0.32 1
1,1-Dichloroethene <0.35 ug/L 06/30/23 12:20 75-35-40.50 0.35 1
cis-1,2-Dichloroethene <0.38 ug/L 06/30/23 12:20 156-59-20.50 0.38 1
trans-1,2-Dichloroethene <0.40 ug/L 06/30/23 12:20 156-60-50.50 0.40 1
1,2-Dichloropropane <0.36 ug/L 06/30/23 12:20 78-87-50.50 0.36 1
1,3-Dichloropropane <0.28 ug/L 06/30/23 12:20 142-28-90.50 0.28 1
2,2-Dichloropropane <0.39 ug/L 06/30/23 12:20 594-20-70.50 0.39 1
1,1-Dichloropropene <0.43 ug/L 06/30/23 12:20 563-58-60.50 0.43 1
cis-1,3-Dichloropropene <0.36 ug/L 06/30/23 12:20 10061-01-50.50 0.36 1
trans-1,3-Dichloropropene <0.36 ug/L 06/30/23 12:20 10061-02-60.50 0.36 1
Diisopropyl ether <0.31 ug/L 06/30/23 12:20 108-20-30.50 0.31 1
Ethylbenzene <0.30 ug/L 06/30/23 12:20 100-41-40.50 0.30 1
Hexachloro-1,3-butadiene <1.5 ug/L 06/30/23 12:20 87-68-32.0 1.5 1
Isopropylbenzene (Cumene)<0.33 ug/L 06/30/23 12:20 98-82-80.50 0.33 1
Methylene Chloride <2.0 ug/L 06/30/23 12:20 75-09-22.0 2.0 1
Methyl-tert-butyl ether <0.42 ug/L 06/30/23 12:20 1634-04-40.50 0.42 1
Naphthalene <0.64 ug/L 06/30/23 12:20 91-20-32.0 0.64 1
n-Propylbenzene <0.34 ug/L 06/30/23 12:20 103-65-10.50 0.34 1
Styrene <0.29 ug/L 06/30/23 12:20 100-42-50.50 0.29 1
1,1,1,2-Tetrachloroethane <0.31 ug/L 06/30/23 12:20 630-20-60.50 0.31 1
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 07/03/2023 03:48 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 5 of 20
#=AR#
ANALYTICAL RESULTS
Pace Project No.:
Project:
92674663
L&S Manufacturing
Sample:MW-3D Lab ID:92674663001 Collected:06/27/23 10:54 Received:06/27/23 14:57 Matrix:Water
Parameters Results Units DF Prepared Analyzed CAS No.QualMDLPQL
Analytical Method: SM 6200B
Pace Analytical Services - Charlotte
6200B MSV
1,1,2,2-Tetrachloroethane <0.22 ug/L 06/30/23 12:20 79-34-50.50 0.22 1
Tetrachloroethene <0.29 ug/L 06/30/23 12:20 127-18-40.50 0.29 1
Toluene <0.24 ug/L 06/30/23 12:20 108-88-30.50 0.24 1
1,2,3-Trichlorobenzene <0.81 ug/L 06/30/23 12:20 87-61-62.0 0.81 1
1,2,4-Trichlorobenzene <0.64 ug/L 06/30/23 12:20 120-82-12.0 0.64 1
1,1,1-Trichloroethane <0.33 ug/L 06/30/23 12:20 71-55-60.50 0.33 1
1,1,2-Trichloroethane <0.32 ug/L 06/30/23 12:20 79-00-50.50 0.32 1
Trichloroethene <0.38 ug/L 06/30/23 12:20 79-01-60.50 0.38 1
Trichlorofluoromethane <0.30 ug/L 06/30/23 12:20 75-69-41.0 0.30 1
1,2,3-Trichloropropane <0.26 ug/L 06/30/23 12:20 96-18-40.50 0.26 1
1,2,4-Trimethylbenzene <0.50 ug/L 06/30/23 12:20 95-63-60.50 0.50 1
1,3,5-Trimethylbenzene <0.33 ug/L 06/30/23 12:20 108-67-80.50 0.33 1
Vinyl chloride <0.39 ug/L 06/30/23 12:20 75-01-41.0 0.39 1
m&p-Xylene <0.71 ug/L 06/30/23 12:20 179601-23-11.0 0.71 1
o-Xylene <0.34 ug/L 06/30/23 12:20 95-47-60.50 0.34 1
Surrogates
1,2-Dichloroethane-d4 (S)85 %06/30/23 12:20 17060-07-0 HS70-130 1
4-Bromofluorobenzene (S)98 %06/30/23 12:20 460-00-470-130 1
Toluene-d8 (S)98 %06/30/23 12:20 2037-26-570-130 1
Sample:MW-1 Lab ID:92674663002 Collected:06/27/23 11:32 Received:06/27/23 14:57 Matrix:Water
Parameters Results Units DF Prepared Analyzed CAS No.QualMDLPQL
Analytical Method: SM 6200B
Pace Analytical Services - Charlotte
6200B MSV
Benzene 27.7 ug/L 06/30/23 14:43 71-43-20.50 0.34 1
Bromobenzene <0.29 ug/L 06/30/23 14:43 108-86-10.50 0.29 1
Bromochloromethane <0.47 ug/L 06/30/23 14:43 74-97-50.50 0.47 1
Bromodichloromethane <0.31 ug/L 06/30/23 14:43 75-27-40.50 0.31 1
Bromoform <0.34 ug/L 06/30/23 14:43 75-25-20.50 0.34 1
Bromomethane <1.7 ug/L 06/30/23 14:43 74-83-95.0 1.7 1
n-Butylbenzene <0.49 ug/L 06/30/23 14:43 104-51-80.50 0.49 1
sec-Butylbenzene <0.40 ug/L 06/30/23 14:43 135-98-80.50 0.40 1
tert-Butylbenzene <0.32 ug/L 06/30/23 14:43 98-06-60.50 0.32 1
Carbon tetrachloride <0.33 ug/L 06/30/23 14:43 56-23-50.50 0.33 1
Chlorobenzene <0.28 ug/L 06/30/23 14:43 108-90-70.50 0.28 1
Chloroethane <0.65 ug/L 06/30/23 14:43 75-00-31.0 0.65 1
Chloroform <0.43 ug/L 06/30/23 14:43 67-66-30.50 0.43 1
Chloromethane <0.54 ug/L 06/30/23 14:43 74-87-31.0 0.54 1
2-Chlorotoluene <0.32 ug/L 06/30/23 14:43 95-49-80.50 0.32 1
4-Chlorotoluene <0.32 ug/L 06/30/23 14:43 106-43-40.50 0.32 1
1,2-Dibromo-3-chloropropane <0.34 ug/L 06/30/23 14:43 96-12-81.0 0.34 1
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 07/03/2023 03:48 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 6 of 20
#=AR#
ANALYTICAL RESULTS
Pace Project No.:
Project:
92674663
L&S Manufacturing
Sample:MW-1 Lab ID:92674663002 Collected:06/27/23 11:32 Received:06/27/23 14:57 Matrix:Water
Parameters Results Units DF Prepared Analyzed CAS No.QualMDLPQL
Analytical Method: SM 6200B
Pace Analytical Services - Charlotte
6200B MSV
Dibromochloromethane <0.36 ug/L 06/30/23 14:43 124-48-10.50 0.36 1
1,2-Dibromoethane (EDB)<0.27 ug/L 06/30/23 14:43 106-93-40.50 0.27 1
Dibromomethane <0.39 ug/L 06/30/23 14:43 74-95-30.50 0.39 1
1,2-Dichlorobenzene <0.34 ug/L 06/30/23 14:43 95-50-10.50 0.34 1
1,3-Dichlorobenzene <0.34 ug/L 06/30/23 14:43 541-73-10.50 0.34 1
1,4-Dichlorobenzene <0.33 ug/L 06/30/23 14:43 106-46-70.50 0.33 1
Dichlorodifluoromethane <0.35 ug/L 06/30/23 14:43 75-71-80.50 0.35 1
1,1-Dichloroethane <0.37 ug/L 06/30/23 14:43 75-34-30.50 0.37 1
1,2-Dichloroethane <0.32 ug/L 06/30/23 14:43 107-06-20.50 0.32 1
1,1-Dichloroethene <0.35 ug/L 06/30/23 14:43 75-35-40.50 0.35 1
cis-1,2-Dichloroethene <0.38 ug/L 06/30/23 14:43 156-59-20.50 0.38 1
trans-1,2-Dichloroethene <0.40 ug/L 06/30/23 14:43 156-60-50.50 0.40 1
1,2-Dichloropropane <0.36 ug/L 06/30/23 14:43 78-87-50.50 0.36 1
1,3-Dichloropropane <0.28 ug/L 06/30/23 14:43 142-28-90.50 0.28 1
2,2-Dichloropropane <0.39 ug/L 06/30/23 14:43 594-20-70.50 0.39 1
1,1-Dichloropropene <0.43 ug/L 06/30/23 14:43 563-58-60.50 0.43 1
cis-1,3-Dichloropropene <0.36 ug/L 06/30/23 14:43 10061-01-50.50 0.36 1
trans-1,3-Dichloropropene <0.36 ug/L 06/30/23 14:43 10061-02-60.50 0.36 1
Diisopropyl ether 0.66 ug/L 06/30/23 14:43 108-20-30.50 0.31 1
Ethylbenzene 0.67 ug/L 06/30/23 14:43 100-41-40.50 0.30 1
Hexachloro-1,3-butadiene <1.5 ug/L 06/30/23 14:43 87-68-32.0 1.5 1
Isopropylbenzene (Cumene)<0.33 ug/L 06/30/23 14:43 98-82-80.50 0.33 1
Methylene Chloride <2.0 ug/L 06/30/23 14:43 75-09-22.0 2.0 1
Methyl-tert-butyl ether <0.42 ug/L 06/30/23 14:43 1634-04-40.50 0.42 1
Naphthalene 0.78J ug/L 06/30/23 14:43 91-20-32.0 0.64 1
n-Propylbenzene <0.34 ug/L 06/30/23 14:43 103-65-10.50 0.34 1
Styrene <0.29 ug/L 06/30/23 14:43 100-42-50.50 0.29 1
1,1,1,2-Tetrachloroethane <0.31 ug/L 06/30/23 14:43 630-20-60.50 0.31 1
1,1,2,2-Tetrachloroethane <0.22 ug/L 06/30/23 14:43 79-34-50.50 0.22 1
Tetrachloroethene <0.29 ug/L 06/30/23 14:43 127-18-40.50 0.29 1
Toluene <0.24 ug/L 06/30/23 14:43 108-88-30.50 0.24 1
1,2,3-Trichlorobenzene <0.81 ug/L 06/30/23 14:43 87-61-62.0 0.81 1
1,2,4-Trichlorobenzene <0.64 ug/L 06/30/23 14:43 120-82-12.0 0.64 1
1,1,1-Trichloroethane <0.33 ug/L 06/30/23 14:43 71-55-60.50 0.33 1
1,1,2-Trichloroethane <0.32 ug/L 06/30/23 14:43 79-00-50.50 0.32 1
Trichloroethene <0.38 ug/L 06/30/23 14:43 79-01-60.50 0.38 1
Trichlorofluoromethane <0.30 ug/L 06/30/23 14:43 75-69-41.0 0.30 1
1,2,3-Trichloropropane <0.26 ug/L 06/30/23 14:43 96-18-40.50 0.26 1
1,2,4-Trimethylbenzene 1.1 ug/L 06/30/23 14:43 95-63-60.50 0.50 1
1,3,5-Trimethylbenzene <0.33 ug/L 06/30/23 14:43 108-67-80.50 0.33 1
Vinyl chloride <0.39 ug/L 06/30/23 14:43 75-01-41.0 0.39 1
m&p-Xylene 0.90J ug/L 06/30/23 14:43 179601-23-11.0 0.71 1
o-Xylene <0.34 ug/L 06/30/23 14:43 95-47-60.50 0.34 1
Surrogates
1,2-Dichloroethane-d4 (S)88 %06/30/23 14:43 17060-07-0 HS70-130 1
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 07/03/2023 03:48 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 7 of 20
#=AR#
ANALYTICAL RESULTS
Pace Project No.:
Project:
92674663
L&S Manufacturing
Sample:MW-1 Lab ID:92674663002 Collected:06/27/23 11:32 Received:06/27/23 14:57 Matrix:Water
Parameters Results Units DF Prepared Analyzed CAS No.QualMDLPQL
Analytical Method: SM 6200B
Pace Analytical Services - Charlotte
6200B MSV
Surrogates
4-Bromofluorobenzene (S)98 %06/30/23 14:43 460-00-470-130 1
Toluene-d8 (S)97 %06/30/23 14:43 2037-26-570-130 1
Sample:FIELD DUPLICATE Lab ID:92674663003 Collected:06/27/23 11:36 Received:06/27/23 14:57 Matrix:Water
Parameters Results Units DF Prepared Analyzed CAS No.QualMDLPQL
Analytical Method: SM 6200B
Pace Analytical Services - Charlotte
6200B MSV
Benzene 27.9 ug/L 06/30/23 15:01 71-43-20.50 0.34 1
Bromobenzene <0.29 ug/L 06/30/23 15:01 108-86-10.50 0.29 1
Bromochloromethane <0.47 ug/L 06/30/23 15:01 74-97-50.50 0.47 1
Bromodichloromethane <0.31 ug/L 06/30/23 15:01 75-27-40.50 0.31 1
Bromoform <0.34 ug/L 06/30/23 15:01 75-25-20.50 0.34 1
Bromomethane <1.7 ug/L 06/30/23 15:01 74-83-95.0 1.7 1
n-Butylbenzene <0.49 ug/L 06/30/23 15:01 104-51-80.50 0.49 1
sec-Butylbenzene <0.40 ug/L 06/30/23 15:01 135-98-80.50 0.40 1
tert-Butylbenzene <0.32 ug/L 06/30/23 15:01 98-06-60.50 0.32 1
Carbon tetrachloride <0.33 ug/L 06/30/23 15:01 56-23-50.50 0.33 1
Chlorobenzene <0.28 ug/L 06/30/23 15:01 108-90-70.50 0.28 1
Chloroethane <0.65 ug/L 06/30/23 15:01 75-00-31.0 0.65 1
Chloroform <0.43 ug/L 06/30/23 15:01 67-66-30.50 0.43 1
Chloromethane <0.54 ug/L 06/30/23 15:01 74-87-31.0 0.54 1
2-Chlorotoluene <0.32 ug/L 06/30/23 15:01 95-49-80.50 0.32 1
4-Chlorotoluene <0.32 ug/L 06/30/23 15:01 106-43-40.50 0.32 1
1,2-Dibromo-3-chloropropane <0.34 ug/L 06/30/23 15:01 96-12-81.0 0.34 1
Dibromochloromethane <0.36 ug/L 06/30/23 15:01 124-48-10.50 0.36 1
1,2-Dibromoethane (EDB)<0.27 ug/L 06/30/23 15:01 106-93-40.50 0.27 1
Dibromomethane <0.39 ug/L 06/30/23 15:01 74-95-30.50 0.39 1
1,2-Dichlorobenzene <0.34 ug/L 06/30/23 15:01 95-50-10.50 0.34 1
1,3-Dichlorobenzene <0.34 ug/L 06/30/23 15:01 541-73-10.50 0.34 1
1,4-Dichlorobenzene <0.33 ug/L 06/30/23 15:01 106-46-70.50 0.33 1
Dichlorodifluoromethane <0.35 ug/L 06/30/23 15:01 75-71-80.50 0.35 1
1,1-Dichloroethane <0.37 ug/L 06/30/23 15:01 75-34-30.50 0.37 1
1,2-Dichloroethane <0.32 ug/L 06/30/23 15:01 107-06-20.50 0.32 1
1,1-Dichloroethene <0.35 ug/L 06/30/23 15:01 75-35-40.50 0.35 1
cis-1,2-Dichloroethene <0.38 ug/L 06/30/23 15:01 156-59-20.50 0.38 1
trans-1,2-Dichloroethene <0.40 ug/L 06/30/23 15:01 156-60-50.50 0.40 1
1,2-Dichloropropane <0.36 ug/L 06/30/23 15:01 78-87-50.50 0.36 1
1,3-Dichloropropane <0.28 ug/L 06/30/23 15:01 142-28-90.50 0.28 1
2,2-Dichloropropane <0.39 ug/L 06/30/23 15:01 594-20-70.50 0.39 1
1,1-Dichloropropene <0.43 ug/L 06/30/23 15:01 563-58-60.50 0.43 1
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 07/03/2023 03:48 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 8 of 20
#=AR#
ANALYTICAL RESULTS
Pace Project No.:
Project:
92674663
L&S Manufacturing
Sample:FIELD DUPLICATE Lab ID:92674663003 Collected:06/27/23 11:36 Received:06/27/23 14:57 Matrix:Water
Parameters Results Units DF Prepared Analyzed CAS No.QualMDLPQL
Analytical Method: SM 6200B
Pace Analytical Services - Charlotte
6200B MSV
cis-1,3-Dichloropropene <0.36 ug/L 06/30/23 15:01 10061-01-50.50 0.36 1
trans-1,3-Dichloropropene <0.36 ug/L 06/30/23 15:01 10061-02-60.50 0.36 1
Diisopropyl ether 0.71 ug/L 06/30/23 15:01 108-20-30.50 0.31 1
Ethylbenzene 0.67 ug/L 06/30/23 15:01 100-41-40.50 0.30 1
Hexachloro-1,3-butadiene <1.5 ug/L 06/30/23 15:01 87-68-32.0 1.5 1
Isopropylbenzene (Cumene)<0.33 ug/L 06/30/23 15:01 98-82-80.50 0.33 1
Methylene Chloride <2.0 ug/L 06/30/23 15:01 75-09-22.0 2.0 1
Methyl-tert-butyl ether <0.42 ug/L 06/30/23 15:01 1634-04-40.50 0.42 1
Naphthalene 0.81J ug/L 06/30/23 15:01 91-20-32.0 0.64 1
n-Propylbenzene <0.34 ug/L 06/30/23 15:01 103-65-10.50 0.34 1
Styrene <0.29 ug/L 06/30/23 15:01 100-42-50.50 0.29 1
1,1,1,2-Tetrachloroethane <0.31 ug/L 06/30/23 15:01 630-20-60.50 0.31 1
1,1,2,2-Tetrachloroethane <0.22 ug/L 06/30/23 15:01 79-34-50.50 0.22 1
Tetrachloroethene <0.29 ug/L 06/30/23 15:01 127-18-40.50 0.29 1
Toluene <0.24 ug/L 06/30/23 15:01 108-88-30.50 0.24 1
1,2,3-Trichlorobenzene <0.81 ug/L 06/30/23 15:01 87-61-62.0 0.81 1
1,2,4-Trichlorobenzene <0.64 ug/L 06/30/23 15:01 120-82-12.0 0.64 1
1,1,1-Trichloroethane <0.33 ug/L 06/30/23 15:01 71-55-60.50 0.33 1
1,1,2-Trichloroethane <0.32 ug/L 06/30/23 15:01 79-00-50.50 0.32 1
Trichloroethene <0.38 ug/L 06/30/23 15:01 79-01-60.50 0.38 1
Trichlorofluoromethane <0.30 ug/L 06/30/23 15:01 75-69-41.0 0.30 1
1,2,3-Trichloropropane <0.26 ug/L 06/30/23 15:01 96-18-40.50 0.26 1
1,2,4-Trimethylbenzene 1.1 ug/L 06/30/23 15:01 95-63-60.50 0.50 1
1,3,5-Trimethylbenzene <0.33 ug/L 06/30/23 15:01 108-67-80.50 0.33 1
Vinyl chloride <0.39 ug/L 06/30/23 15:01 75-01-41.0 0.39 1
m&p-Xylene 0.84J ug/L 06/30/23 15:01 179601-23-11.0 0.71 1
o-Xylene <0.34 ug/L 06/30/23 15:01 95-47-60.50 0.34 1
Surrogates
1,2-Dichloroethane-d4 (S)90 %06/30/23 15:01 17060-07-0 HS70-130 1
4-Bromofluorobenzene (S)96 %06/30/23 15:01 460-00-470-130 1
Toluene-d8 (S)98 %06/30/23 15:01 2037-26-570-130 1
Sample:MW-2 Lab ID:92674663004 Collected:06/27/23 12:46 Received:06/27/23 14:57 Matrix:Water
Parameters Results Units DF Prepared Analyzed CAS No.QualMDLPQL
Analytical Method: SM 6200B
Pace Analytical Services - Charlotte
6200B MSV
Benzene 68.0 ug/L 06/30/23 15:37 71-43-20.50 0.34 1
Bromobenzene <0.29 ug/L 06/30/23 15:37 108-86-10.50 0.29 1
Bromochloromethane <0.47 ug/L 06/30/23 15:37 74-97-50.50 0.47 1
Bromodichloromethane <0.31 ug/L 06/30/23 15:37 75-27-40.50 0.31 1
Bromoform <0.34 ug/L 06/30/23 15:37 75-25-20.50 0.34 1
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 07/03/2023 03:48 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 9 of 20
#=AR#
ANALYTICAL RESULTS
Pace Project No.:
Project:
92674663
L&S Manufacturing
Sample:MW-2 Lab ID:92674663004 Collected:06/27/23 12:46 Received:06/27/23 14:57 Matrix:Water
Parameters Results Units DF Prepared Analyzed CAS No.QualMDLPQL
Analytical Method: SM 6200B
Pace Analytical Services - Charlotte
6200B MSV
Bromomethane <1.7 ug/L 06/30/23 15:37 74-83-95.0 1.7 1
n-Butylbenzene <0.49 ug/L 06/30/23 15:37 104-51-80.50 0.49 1
sec-Butylbenzene <0.40 ug/L 06/30/23 15:37 135-98-80.50 0.40 1
tert-Butylbenzene <0.32 ug/L 06/30/23 15:37 98-06-60.50 0.32 1
Carbon tetrachloride <0.33 ug/L 06/30/23 15:37 56-23-50.50 0.33 1
Chlorobenzene <0.28 ug/L 06/30/23 15:37 108-90-70.50 0.28 1
Chloroethane <0.65 ug/L 06/30/23 15:37 75-00-31.0 0.65 1
Chloroform <0.43 ug/L 06/30/23 15:37 67-66-30.50 0.43 1
Chloromethane <0.54 ug/L 06/30/23 15:37 74-87-31.0 0.54 1
2-Chlorotoluene <0.32 ug/L 06/30/23 15:37 95-49-80.50 0.32 1
4-Chlorotoluene <0.32 ug/L 06/30/23 15:37 106-43-40.50 0.32 1
1,2-Dibromo-3-chloropropane <0.34 ug/L 06/30/23 15:37 96-12-81.0 0.34 1
Dibromochloromethane <0.36 ug/L 06/30/23 15:37 124-48-10.50 0.36 1
1,2-Dibromoethane (EDB)<0.27 ug/L 06/30/23 15:37 106-93-40.50 0.27 1
Dibromomethane <0.39 ug/L 06/30/23 15:37 74-95-30.50 0.39 1
1,2-Dichlorobenzene <0.34 ug/L 06/30/23 15:37 95-50-10.50 0.34 1
1,3-Dichlorobenzene <0.34 ug/L 06/30/23 15:37 541-73-10.50 0.34 1
1,4-Dichlorobenzene <0.33 ug/L 06/30/23 15:37 106-46-70.50 0.33 1
Dichlorodifluoromethane <0.35 ug/L 06/30/23 15:37 75-71-80.50 0.35 1
1,1-Dichloroethane <0.37 ug/L 06/30/23 15:37 75-34-30.50 0.37 1
1,2-Dichloroethane <0.32 ug/L 06/30/23 15:37 107-06-20.50 0.32 1
1,1-Dichloroethene <0.35 ug/L 06/30/23 15:37 75-35-40.50 0.35 1
cis-1,2-Dichloroethene <0.38 ug/L 06/30/23 15:37 156-59-20.50 0.38 1
trans-1,2-Dichloroethene <0.40 ug/L 06/30/23 15:37 156-60-50.50 0.40 1
1,2-Dichloropropane <0.36 ug/L 06/30/23 15:37 78-87-50.50 0.36 1
1,3-Dichloropropane <0.28 ug/L 06/30/23 15:37 142-28-90.50 0.28 1
2,2-Dichloropropane <0.39 ug/L 06/30/23 15:37 594-20-70.50 0.39 1
1,1-Dichloropropene <0.43 ug/L 06/30/23 15:37 563-58-60.50 0.43 1
cis-1,3-Dichloropropene <0.36 ug/L 06/30/23 15:37 10061-01-50.50 0.36 1
trans-1,3-Dichloropropene <0.36 ug/L 06/30/23 15:37 10061-02-60.50 0.36 1
Diisopropyl ether 12.7 ug/L 06/30/23 15:37 108-20-30.50 0.31 1
Ethylbenzene 6.4 ug/L 06/30/23 15:37 100-41-40.50 0.30 1
Hexachloro-1,3-butadiene <1.5 ug/L 06/30/23 15:37 87-68-32.0 1.5 1
Isopropylbenzene (Cumene)0.62 ug/L 06/30/23 15:37 98-82-80.50 0.33 1
Methylene Chloride <2.0 ug/L 06/30/23 15:37 75-09-22.0 2.0 1
Methyl-tert-butyl ether <0.42 ug/L 06/30/23 15:37 1634-04-40.50 0.42 1
Naphthalene 1.3J ug/L 06/30/23 15:37 91-20-32.0 0.64 1
n-Propylbenzene 0.93 ug/L 06/30/23 15:37 103-65-10.50 0.34 1
Styrene <0.29 ug/L 06/30/23 15:37 100-42-50.50 0.29 1
1,1,1,2-Tetrachloroethane <0.31 ug/L 06/30/23 15:37 630-20-60.50 0.31 1
1,1,2,2-Tetrachloroethane <0.22 ug/L 06/30/23 15:37 79-34-50.50 0.22 1
Tetrachloroethene <0.29 ug/L 06/30/23 15:37 127-18-40.50 0.29 1
Toluene 0.60 ug/L 06/30/23 15:37 108-88-30.50 0.24 1
1,2,3-Trichlorobenzene <0.81 ug/L 06/30/23 15:37 87-61-62.0 0.81 1
1,2,4-Trichlorobenzene <0.64 ug/L 06/30/23 15:37 120-82-12.0 0.64 1
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 07/03/2023 03:48 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 10 of 20
#=AR#
ANALYTICAL RESULTS
Pace Project No.:
Project:
92674663
L&S Manufacturing
Sample:MW-2 Lab ID:92674663004 Collected:06/27/23 12:46 Received:06/27/23 14:57 Matrix:Water
Parameters Results Units DF Prepared Analyzed CAS No.QualMDLPQL
Analytical Method: SM 6200B
Pace Analytical Services - Charlotte
6200B MSV
1,1,1-Trichloroethane <0.33 ug/L 06/30/23 15:37 71-55-60.50 0.33 1
1,1,2-Trichloroethane <0.32 ug/L 06/30/23 15:37 79-00-50.50 0.32 1
Trichloroethene <0.38 ug/L 06/30/23 15:37 79-01-60.50 0.38 1
Trichlorofluoromethane <0.30 ug/L 06/30/23 15:37 75-69-41.0 0.30 1
1,2,3-Trichloropropane <0.26 ug/L 06/30/23 15:37 96-18-40.50 0.26 1
1,2,4-Trimethylbenzene 0.83 ug/L 06/30/23 15:37 95-63-60.50 0.50 1
1,3,5-Trimethylbenzene 0.54 ug/L 06/30/23 15:37 108-67-80.50 0.33 1
Vinyl chloride <0.39 ug/L 06/30/23 15:37 75-01-41.0 0.39 1
m&p-Xylene 1.0 ug/L 06/30/23 15:37 179601-23-11.0 0.71 1
o-Xylene 0.39J ug/L 06/30/23 15:37 95-47-60.50 0.34 1
Surrogates
1,2-Dichloroethane-d4 (S)90 %06/30/23 15:37 17060-07-0 HS70-130 1
4-Bromofluorobenzene (S)97 %06/30/23 15:37 460-00-470-130 1
Toluene-d8 (S)96 %06/30/23 15:37 2037-26-570-130 1
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 07/03/2023 03:48 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 11 of 20
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92674663
L&S Manufacturing
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.
QC Batch:
QC Batch Method:
Analysis Method:
Analysis Description:
783902
SM 6200B
SM 6200B
6200B MSV
Laboratory:Pace Analytical Services - Charlotte
Associated Lab Samples:92674663001, 92674663002, 92674663003, 92674663004
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK:4065574
Associated Lab Samples:92674663001, 92674663002, 92674663003, 92674663004
Matrix:Water
AnalyzedMDL
1,1,1,2-Tetrachloroethane ug/L <0.31 0.50 06/30/23 11:080.31
1,1,1-Trichloroethane ug/L <0.33 0.50 06/30/23 11:080.33
1,1,2,2-Tetrachloroethane ug/L <0.22 0.50 06/30/23 11:080.22
1,1,2-Trichloroethane ug/L <0.32 0.50 06/30/23 11:080.32
1,1-Dichloroethane ug/L <0.37 0.50 06/30/23 11:080.37
1,1-Dichloroethene ug/L <0.35 0.50 06/30/23 11:080.35
1,1-Dichloropropene ug/L <0.43 0.50 06/30/23 11:080.43
1,2,3-Trichlorobenzene ug/L <0.81 2.0 06/30/23 11:080.81
1,2,3-Trichloropropane ug/L <0.26 0.50 06/30/23 11:080.26
1,2,4-Trichlorobenzene ug/L <0.64 2.0 06/30/23 11:080.64
1,2,4-Trimethylbenzene ug/L <0.50 0.50 06/30/23 11:080.50
1,2-Dibromo-3-chloropropane ug/L <0.34 1.0 06/30/23 11:080.34
1,2-Dibromoethane (EDB)ug/L <0.27 0.50 06/30/23 11:080.27
1,2-Dichlorobenzene ug/L <0.34 0.50 06/30/23 11:080.34
1,2-Dichloroethane ug/L <0.32 0.50 06/30/23 11:080.32
1,2-Dichloropropane ug/L <0.36 0.50 06/30/23 11:080.36
1,3,5-Trimethylbenzene ug/L <0.33 0.50 06/30/23 11:080.33
1,3-Dichlorobenzene ug/L <0.34 0.50 06/30/23 11:080.34
1,3-Dichloropropane ug/L <0.28 0.50 06/30/23 11:080.28
1,4-Dichlorobenzene ug/L <0.33 0.50 06/30/23 11:080.33
2,2-Dichloropropane ug/L <0.39 0.50 06/30/23 11:080.39
2-Chlorotoluene ug/L <0.32 0.50 06/30/23 11:080.32
4-Chlorotoluene ug/L <0.32 0.50 06/30/23 11:080.32
Benzene ug/L <0.34 0.50 06/30/23 11:080.34
Bromobenzene ug/L <0.29 0.50 06/30/23 11:080.29
Bromochloromethane ug/L <0.47 0.50 06/30/23 11:080.47
Bromodichloromethane ug/L <0.31 0.50 06/30/23 11:080.31
Bromoform ug/L <0.34 0.50 06/30/23 11:080.34
Bromomethane ug/L <1.7 5.0 06/30/23 11:081.7
Carbon tetrachloride ug/L <0.33 0.50 06/30/23 11:080.33
Chlorobenzene ug/L <0.28 0.50 06/30/23 11:080.28
Chloroethane ug/L <0.65 1.0 06/30/23 11:080.65
Chloroform ug/L <0.43 0.50 06/30/23 11:080.43
Chloromethane ug/L <0.54 1.0 06/30/23 11:080.54
cis-1,2-Dichloroethene ug/L <0.38 0.50 06/30/23 11:080.38
cis-1,3-Dichloropropene ug/L <0.36 0.50 06/30/23 11:080.36
Dibromochloromethane ug/L <0.36 0.50 06/30/23 11:080.36
Dibromomethane ug/L <0.39 0.50 06/30/23 11:080.39
Dichlorodifluoromethane ug/L <0.35 0.50 06/30/23 11:080.35
Diisopropyl ether ug/L <0.31 0.50 06/30/23 11:080.31
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 07/03/2023 03:48 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 12 of 20
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92674663
L&S Manufacturing
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.
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK:4065574
Associated Lab Samples:92674663001, 92674663002, 92674663003, 92674663004
Matrix:Water
AnalyzedMDL
Ethylbenzene ug/L <0.30 0.50 06/30/23 11:080.30
Hexachloro-1,3-butadiene ug/L <1.5 2.0 06/30/23 11:081.5
Isopropylbenzene (Cumene)ug/L <0.33 0.50 06/30/23 11:080.33
m&p-Xylene ug/L <0.71 1.0 06/30/23 11:080.71
Methyl-tert-butyl ether ug/L <0.42 0.50 06/30/23 11:080.42
Methylene Chloride ug/L <2.0 2.0 06/30/23 11:082.0
n-Butylbenzene ug/L <0.49 0.50 06/30/23 11:080.49
n-Propylbenzene ug/L <0.34 0.50 06/30/23 11:080.34
Naphthalene ug/L <0.64 2.0 06/30/23 11:080.64
o-Xylene ug/L <0.34 0.50 06/30/23 11:080.34
sec-Butylbenzene ug/L <0.40 0.50 06/30/23 11:080.40
Styrene ug/L <0.29 0.50 06/30/23 11:080.29
tert-Butylbenzene ug/L <0.32 0.50 06/30/23 11:080.32
Tetrachloroethene ug/L <0.29 0.50 06/30/23 11:080.29
Toluene ug/L <0.24 0.50 06/30/23 11:080.24
trans-1,2-Dichloroethene ug/L <0.40 0.50 06/30/23 11:080.40
trans-1,3-Dichloropropene ug/L <0.36 0.50 06/30/23 11:080.36
Trichloroethene ug/L <0.38 0.50 06/30/23 11:080.38
Trichlorofluoromethane ug/L <0.30 1.0 06/30/23 11:080.30
Vinyl chloride ug/L <0.39 1.0 06/30/23 11:080.39
1,2-Dichloroethane-d4 (S)%86 70-130 06/30/23 11:08
4-Bromofluorobenzene (S)%99 70-130 06/30/23 11:08
Toluene-d8 (S)%98 70-130 06/30/23 11:08
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
4065575LABORATORY CONTROL SAMPLE:
LCSSpike
1,1,1,2-Tetrachloroethane ug/L 20.820 104 60-140
1,1,1-Trichloroethane ug/L 20.320 102 60-140
1,1,2,2-Tetrachloroethane ug/L 19.820 99 60-140
1,1,2-Trichloroethane ug/L 21.620 108 60-140
1,1-Dichloroethane ug/L 20.920 104 60-140
1,1-Dichloroethene ug/L 21.620 108 60-140
1,1-Dichloropropene ug/L 22.220 111 60-140
1,2,3-Trichlorobenzene ug/L 22.920 114 60-140
1,2,3-Trichloropropane ug/L 19.220 96 60-140
1,2,4-Trichlorobenzene ug/L 22.620 113 60-140
1,2,4-Trimethylbenzene ug/L 19.820 99 60-140
1,2-Dibromo-3-chloropropane ug/L 19.020 95 60-140
1,2-Dibromoethane (EDB)ug/L 20.120 100 60-140
1,2-Dichlorobenzene ug/L 21.120 106 60-140
1,2-Dichloroethane ug/L 19.820 99 60-140
1,2-Dichloropropane ug/L 22.220 111 60-140
1,3,5-Trimethylbenzene ug/L 20.820 104 60-140
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 07/03/2023 03:48 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 13 of 20
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92674663
L&S Manufacturing
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.
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
4065575LABORATORY CONTROL SAMPLE:
LCSSpike
1,3-Dichlorobenzene ug/L 21.320 106 60-140
1,3-Dichloropropane ug/L 20.120 100 60-140
1,4-Dichlorobenzene ug/L 20.720 103 60-140
2,2-Dichloropropane ug/L 19.620 98 60-140
2-Chlorotoluene ug/L 20.220 101 60-140
4-Chlorotoluene ug/L 19.520 98 60-140
Benzene ug/L 21.020 105 60-140
Bromobenzene ug/L 20.620 103 60-140
Bromochloromethane ug/L 20.220 101 60-140
Bromodichloromethane ug/L 19.920 99 60-140
Bromoform ug/L 20.220 101 60-140
Bromomethane ug/L 14.920 74 60-140
Carbon tetrachloride ug/L 22.020 110 60-140
Chlorobenzene ug/L 20.720 104 60-140
Chloroethane ug/L 19.220 96 60-140
Chloroform ug/L 19.520 98 60-140
Chloromethane ug/L 22.320 111 60-140
cis-1,2-Dichloroethene ug/L 20.420 102 60-140
cis-1,3-Dichloropropene ug/L 20.920 104 60-140
Dibromochloromethane ug/L 19.820 99 60-140
Dibromomethane ug/L 22.120 110 60-140
Dichlorodifluoromethane ug/L 26.020 130 60-140
Diisopropyl ether ug/L 19.820 99 60-140
Ethylbenzene ug/L 20.120 101 60-140
Hexachloro-1,3-butadiene ug/L 23.220 116 60-140
Isopropylbenzene (Cumene)ug/L 21.720 109 60-140
m&p-Xylene ug/L 40.540 101 60-140
Methyl-tert-butyl ether ug/L 19.720 99 60-140
Methylene Chloride ug/L 19.620 98 60-140
n-Butylbenzene ug/L 20.220 101 60-140
n-Propylbenzene ug/L 19.720 98 60-140
Naphthalene ug/L 20.220 101 60-140
o-Xylene ug/L 20.520 103 60-140
sec-Butylbenzene ug/L 20.320 101 60-140
Styrene ug/L 20.720 103 60-140
tert-Butylbenzene ug/L 16.620 83 60-140
Tetrachloroethene ug/L 21.820 109 60-140
Toluene ug/L 19.720 99 60-140
trans-1,2-Dichloroethene ug/L 21.420 107 60-140
trans-1,3-Dichloropropene ug/L 20.420 102 60-140
Trichloroethene ug/L 22.720 113 60-140
Trichlorofluoromethane ug/L 20.020 100 60-140
Vinyl chloride ug/L 18.520 92 60-140
1,2-Dichloroethane-d4 (S)%87 70-130
4-Bromofluorobenzene (S)%98 70-130
Toluene-d8 (S)%98 70-130
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 07/03/2023 03:48 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 14 of 20
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92674663
L&S Manufacturing
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.
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
4065576MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92674266002
4065577
MSD
Result
MSD
% Rec RPD RPD
Max
MSDMS
Spike
Conc.
1,1,1,2-Tetrachloroethane ug/L 20 108 60-140113 4 3020ND21.6 22.6
1,1,1-Trichloroethane ug/L 20 107 60-140111 3 3020ND21.5 22.2
1,1,2,2-Tetrachloroethane ug/L 20 101 60-140107 6 3020ND20.2 21.4
1,1,2-Trichloroethane ug/L 20 109 60-140117 7 3020ND21.8 23.4
1,1-Dichloroethane ug/L 20 110 60-140115 4 3020ND22.0 22.9
1,1-Dichloroethene ug/L 20 116 60-140121 4 3020ND23.3 24.2
1,1-Dichloropropene ug/L 20 116 60-140122 5 3020ND23.2 24.4
1,2,3-Trichlorobenzene ug/L 20 113 60-140123 8 3020ND22.7 24.6
1,2,3-Trichloropropane ug/L 20 101 60-140107 6 3020ND20.2 21.4
1,2,4-Trichlorobenzene ug/L 20 108 60-140116 7 3020ND21.5 23.2
1,2,4-Trimethylbenzene ug/L 20 104 60-140108 4 3020ND20.8 21.6
1,2-Dibromo-3-
chloropropane ug/L 20 95 60-140102 8 3020ND18.9 20.4
1,2-Dibromoethane (EDB)ug/L 20 105 60-140111 6 3020ND21.0 22.2
1,2-Dichlorobenzene ug/L 20 108 60-140115 7 3020ND21.5 23.0
1,2-Dichloroethane ug/L 20 101 60-140108 6 3020ND20.2 21.6
1,2-Dichloropropane ug/L 20 116 60-140121 4 3020ND23.3 24.3
1,3,5-Trimethylbenzene ug/L 20 105 60-140111 5 3020ND21.1 22.2
1,3-Dichlorobenzene ug/L 20 107 60-140112 5 3020ND21.3 22.4
1,3-Dichloropropane ug/L 20 106 60-140110 4 3020ND21.1 22.0
1,4-Dichlorobenzene ug/L 20 104 60-140112 7 3020ND20.9 22.4
2,2-Dichloropropane ug/L 20 99 60-140104 5 3020ND19.9 20.8
2-Chlorotoluene ug/L 20 103 60-140108 4 3020ND20.7 21.5
4-Chlorotoluene ug/L 20 102 60-140106 4 3020ND20.3 21.2
Benzene ug/L 20 113 60-140115 2 3020ND22.6 23.0
Bromobenzene ug/L 20 105 60-140112 6 3020ND21.1 22.3
Bromochloromethane ug/L 20 105 60-140111 6 3020ND20.9 22.2
Bromodichloromethane ug/L 20 101 60-140106 5 3020ND20.2 21.1
Bromoform ug/L 20 104 60-140109 5 3020ND20.8 21.8
Bromomethane ug/L 20 62 60-14072 15 3020ND12.4 14.4
Carbon tetrachloride ug/L 20 115 60-140116 1 3020ND23.0 23.2
Chlorobenzene ug/L 20 107 60-140113 5 3020ND21.5 22.7
Chloroethane ug/L 20 103 60-140108 6 3020ND20.5 21.7
Chloroform ug/L 20 101 60-140108 6 3020ND20.3 21.6
Chloromethane ug/L 20 118 60-140126 6 3020ND23.6 25.2
cis-1,2-Dichloroethene ug/L 20 108 60-140115 6 3020ND21.7 23.0
cis-1,3-Dichloropropene ug/L 20 107 60-140111 4 3020ND21.3 22.3
Dibromochloromethane ug/L 20 102 60-140108 6 3020ND20.3 21.6
Dibromomethane ug/L 20 115 60-140118 3 3020ND22.9 23.7
Dichlorodifluoromethane ug/L M12013760-140141 3 3020ND27.4 28.2
Diisopropyl ether ug/L 20 104 60-140111 7 3020ND20.7 22.2
Ethylbenzene ug/L 20 104 60-140107 3 3020ND20.8 21.5
Hexachloro-1,3-butadiene ug/L 20 117 60-140123 5 3020ND23.4 24.6
Isopropylbenzene(Cumene)ug/L 20 112 60-140116 3 3020ND22.4 23.1
m&p-Xylene ug/L 40 105 60-140108 3 3040ND42.1 43.4
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 07/03/2023 03:48 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 15 of 20
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92674663
L&S Manufacturing
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.
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
4065576MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92674266002
4065577
MSD
Result
MSD
% Rec RPD RPD
Max
MSDMS
Spike
Conc.
Methyl-tert-butyl ether ug/L 20 101 60-140108 7 3020ND20.1 21.6
Methylene Chloride ug/L 20 101 60-140106 5 3020ND20.1 21.2
n-Butylbenzene ug/L 20 99 60-140104 5 3020ND19.8 20.8
n-Propylbenzene ug/L 20 101 60-140105 4 3020ND20.1 21.1
Naphthalene ug/L 20 102 60-140110 8 3020ND20.3 22.1
o-Xylene ug/L 20 105 60-140110 5 3020ND20.9 21.9
sec-Butylbenzene ug/L 20 104 60-140109 5 3020ND20.7 21.8
Styrene ug/L 20 106 60-140110 4 3020ND21.2 22.1
tert-Butylbenzene ug/L 20 84 60-14091 7 3020ND16.8 18.1
Tetrachloroethene ug/L 20 112 60-140116 3 3020ND22.4 23.1
Toluene ug/L 20 104 60-140107 3 3020ND20.8 21.4
trans-1,2-Dichloroethene ug/L 20 114 60-140121 6 3020ND22.8 24.2
trans-1,3-Dichloropropene ug/L 20 104 60-140108 3 3020ND20.8 21.5
Trichloroethene ug/L 20 120 60-140123 2 3020ND24.0 24.5
Trichlorofluoromethane ug/L 20 105 60-140110 4 3020ND21.1 22.0
Vinyl chloride ug/L 20 103 60-140106 4 3020ND20.5 21.3
1,2-Dichloroethane-d4 (S)%90 70-13086
4-Bromofluorobenzene (S)%98 70-13097
Toluene-d8 (S)%98 70-13097
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 07/03/2023 03:48 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 16 of 20
#=QL#
QUALIFIERS
Pace Project No.:
Project:
92674663
L&S Manufacturing
DEFINITIONS
DF - Dilution Factor, if reported, represents the factor applied to the reported data due to dilution of the sample aliquot.
ND - Not Detected at or above adjusted reporting limit.
TNTC - Too Numerous To Count
J - Estimated concentration above the adjusted method detection limit and below the adjusted reporting limit.
MDL - Adjusted Method Detection Limit.
PQL - Practical Quantitation Limit.
RL - Reporting Limit - The lowest concentration value that meets project requirements for quantitative data with known precision and
bias for a specific analyte in a specific matrix.
S - Surrogate
1,2-Diphenylhydrazine decomposes to and cannot be separated from Azobenzene using Method 8270. The result for each analyte is
a combined concentration.
Consistent with EPA guidelines, unrounded data are displayed and have been used to calculate % recovery and RPD values.
LCS(D) - Laboratory Control Sample (Duplicate)
MS(D) - Matrix Spike (Duplicate)
DUP - Sample Duplicate
RPD - Relative Percent Difference
NC - Not Calculable.
SG - Silica Gel - Clean-Up
U - Indicates the compound was analyzed for, but not detected.
Acid preservation may not be appropriate for 2 Chloroethylvinyl ether.
A separate vial preserved to a pH of 4-5 is recommended in SW846 Chapter 4 for the analysis of Acrolein and Acrylonitrile by EPA
Method 8260.
N-Nitrosodiphenylamine decomposes and cannot be separated from Diphenylamine using Method 8270. The result reported for
each analyte is a combined concentration.
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
Results are from sample aliquot taken from VOA vial with headspace (air bubble greater than 6 mm diameter).HS
Matrix spike recovery exceeded QC limits. Batch accepted based on laboratory control sample (LCS) recovery.M1
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 07/03/2023 03:48 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 17 of 20
#=CR#
QUALITY CONTROL DATA CROSS REFERENCE TABLE
Pace Project No.:
Project:
92674663
L&S Manufacturing
Lab ID Sample ID QC Batch Method QC Batch Analytical Method
Analytical
Batch
92674663001 783902MW-3D SM 6200B
92674663002 783902MW-1 SM 6200B
92674663003 783902FIELD DUPLICATE SM 6200B
92674663004 783902MW-2 SM 6200B
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 07/03/2023 03:48 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 18 of 20
Page 19 of 20
Page 20 of 20