WS-29917_49006_CA_RPTS_20230119

100 East Ruffin Street ·Mebane, North Carolina 27302
Telephone [phone] ·Facsimile [phone]
www.terraquestpc.com
January 19, 2023
Mr. Chris Varela
First Citizens Bank & Trust Company
4300 Six Forks Rd.
Raleigh, NC 27609
Re: Phase II Environmental Site Assessment Letter
Verna Harris & William Byerly Property
201 W. Market Center Dr.
High Point, Guilford County, NC
RIMS# 22-020711-05-1
Dear Mr. Varela:
Terraquest Environmental Consultants, P.C. (Terraquest) has completed this Phase II Environmental Site
Assessment letter summarizing the soil and groundwater sampling activities at the Verna Harris &
William Byerly property located at 201 W. Market Center Dr. in High Point, Guilford County, NC (herein
referred to as the subject properties). The purpose of the sampling event is to confirm the removal of
the former petroleum underground storage tanks (USTs) registered for the subject property and
determine the current soil and groundwater quality in the vicinity of the USTs. The location of the subject
property is depicted in the attached Figure 1. The site layout map is depicted in the attached Figure 2.
Phase II ESA
The focus of the Phase II ESA performed by Terraquest is to determine the soil and groundwater quality
of the subject property in the vicinity of:
1)the former South States COOP High Point USTs. The USTs are registered with the NCDEQ DWM-
UST as being removed but no closure documentation is available. Given the lack of UST closure
documentation and the unknown soil and groundwater quality in the vicinity of the former USTs,
the USTs are an REC warranting further investigation.
Geophysical Investigation
On January 6, 2023, Terraquest contracted the completion of geophysical investigation of the subject
property. The survey was conducted by East Coast Geophysics, Inc. of Apex, NC. The geophysical
investigation, consisting of metal detection and GPR surveys, was completed to determine the presence
of the former UST basins and product lines and private buried utilities on the subject property.
January 19, 2023
201 W. Market Center Dr., High Point, Guilford County, NC
Page 2

The following conclusions can be made from the GPR study:
1) Two former UST basins were noted on the subject property in the parking lot west of the main
building. The USTs were confirmed as having been removed.

Former 4,000-gallon UST Beneath Interior Floor Slab

After talking further with the property owner and further investigation into the use of molasses in former
Southern States facility operations, Terraquest does not believe further investigation of the soil and
groundwater quality in the vicinity of the former molasses UST is warranted given its former non-
hazardous and non-toxic contents. Terraquest inspected the UST during the January 6, 2023 site visit
and confirmed that it was empty.

Soil Sampling

To determine soil quality in the former UST basins, Terraquest advanced the following soil borings on
January 6, 2023:
• SB1, SB2, and SB3 – in the northern former dispenser island and UST basin located west
of the main building.
• SB4 and SB5 – in the southern former UST basin located west of the main building.

The soil borings were advanced using direct push technology and a Macro-Core tube retrieval sampling
system. Direct push technology consists of advancing a sampling device into the subsurface soils by
applying static pressure, by applying impacts, by applying vibration, or any combination thereof, to the
above ground portion of the sampler extensions until the sampler has advanced to the desired depth
(ASTM D6282). A single tube Macro-Core sample system was utilized to collect soil samples in five-foot
intervals. A single tube sample system used a hollow extension/drive rod to advance and retrieve the
sampler. Within the hollow extension, a new, single-use, poly-vinyl chloride (PVC) liner retained the soil
sample as the tube is driven into the ground. The specific direct push equipment utilized was a Geoprobe
7822DT. The Macro-Core tube was decontaminated between each 5-foot sample interval in a soil boring
using a Liquinox and tap-water mixture. A new PVC liner was used to collect soil from each 5-foot sample
interval in a soil boring. Technical Methods and Standard Procedures utilized by Terraquest are attached.

The SB1 soil boring installed in the vicinity of the former dispenser island was advanced to a depth of 10
feet below ground level (BGL). The SB2 soil boring installed in the northern UST basin was advanced to
a depth of 20 feet BGL. The remaining soil borings (SB3 through SB5) were advanced to a depth of 15
feet BGL. In each soil boring, soils from the sample intervals (3-5, 5-7, 8-10, 13-15, and 18-20 feet BGL)
were placed in sealable plastic bags and screened for volatile organic compounds (VOCs) and semi-
volatile organic compounds (SVOCs) utilizing a Photoionization Detector (PID). The soil lithology
encountered during the soil borings was a yellowish-orange, med. stiff Lean Clay (CL) from 0.5 feet to 7
feet BGL, a yellowish-orange, med. stiff Clayey Silt (ML) from 7 feet BGL to 17, and a yellowish-
orange/olive, stiff Silt (ML) from 17 to 20 feet BGL. The PID measurements for the analyzed samples are
included in the attached soil boring logs.
January 19, 2023
201 W. Market Center Dr., High Point, Guilford County, NC
Page 3

The soils to be submitted for analysis were determined by the depth of the UST system component
sampled and PID screening measurements. The soil sample from SB1 was submitted from a depth of 3
to 5 feet BGL. Soil samples from SB2 through SB5 were submitted from a depth of 8 to 10 feet BGL.

The soil samples collected for analysis were placed in the proper laboratory-prepared sampling
containers, labeled with the project name, project number, sample identification, required analysis, and
date and time of collection. The samples were immediately placed on ice and analyzed before the
expiration of an analytical method’s prescribed holding time. The soil samples were analyzed for total
petroleum hydrocarbons (TPH) for low boiling point petroleum hydrocarbons (GRO) and medium to high
boiling point petroleum hydrocarbons (DRO) by UVF Trilogy technology. Chain-of-custody
documentation was maintained for the soil samples.

Soil Sample Analytical Results

The SB1 and SB2 soil sample results had detected concentrations below the NCDEQ DWM-UST Action
Limits of 50 mg/kg for TPH GRO and 100 mg/kg for TPH DRO.

The attached Table 1 summarizes the sample depth, PID screening measurements, and detected
concentrations of the analyzed soil samples. The complete analytical report is attached. The locations
of the soil borings are depicted in the attached Figure 3.

Groundwater Sampling

To determine groundwater quality, Terraquest personnel advanced an SP16 groundwater sampling
apparatus in the vicinity of the northern UST basin (GW1) and southern UST basin (GW2) on January 6,
2023 on January 6, 2023. The SP16 sampling apparatus was advanced at each location using the
Geoprobe 7822DT to a depth of 16 feet BGL, a depth believed to be within the water table. Once
advanced, the outer sample sheath was retracted revealing a 36-inch stainless-steel screen that allowed
groundwater to enter. Groundwater was encountered at 13 to 14 feet BGL at the GW1 location. No
groundwater entered the GW2 SP16 sampler after a period of 45 minutes. Groundwater samples were
collected from the GW1 location using a stainless-steel check valve attached to new disposable polyvinyl
tubing. The valve was lowered into the sampler through steel rods, and the groundwater sample was
brought to the ground surface by field personnel wearing disposable nitrile gloves moving the check
valve up and down. Groundwater was transferred directly from the tubing into laboratory-prepared
sampling containers to reduce the chance of contamination loss through volatilization. The samples
were labeled with the project name, project number, sample identification, required analysis, and date
and time of collection. The samples were placed on ice, sent to a North Carolina-certified laboratory,
and analyzed before the expiration of an analytical method’s prescribed holding time. Chain-of-custody
documentation was maintained for the collected samples. Technical Methods and Standard Procedures
utilized by Terraquest are attached. The GW1 samples were analyzed by EPA Method 6200B for VOCs
and by EPA Method 625 BNA for SVOCs.

January 19, 2023
201 W. Market Center Dr., High Point, Guilford County, NC
Page 4

Groundwater Sample Analytical Results

Analytical results of the GW1 groundwater sample revealed detected concentrations greater than the
laboratory sample method detection limits. Toluene, ethylbenzene, total xylenes, 3 & 4 methylphenol,
phenol, di-n-butyl phthalate, diethyl phthalate, and dimethyl phthalate were detected at concentrations
below their Title 15A NCAC 2L .0202 Groundwater Quality Standards (2L Standards). Benzene {1.06 parts
per billion (ppb)} was detected at a concentration above its 2L Standard (1 ppb). The attached Table 2
summarizes the GW groundwater sample analytical results. The complete analytical report is also
attached. The GW1 and GW2 locations are depicted in the attached Figure 3.

Findings

1) The former petroleum USTs have been removed from the subject property.
2) None of the soil samples collected in the former UST basins had detected concentrations above
the NCDEQ DWM-UST Action Limits.
3) The GW1 groundwater results revealed a benzene concentration in excess of its 2L Standard.

Recommendations

Terraquest recommends:
1) Reporting the benzene contaminant concentration above the 2L Standard to the Guilford County
Environmental Health Department so they may determine if the detected concentration
warrants any additional assessment.
2) Filling the 4,000-gallon former molasses UST with concrete and filling the loading dock void with
gravel given the safety concerns.

We appreciate the opportunity to provide environmental services. If you have any questions regarding
this letter, please call me at [phone] or [phone].

Sincerely,
TERRAQUEST ENVIRONMENTAL CONSULTANTS, P.C.
Jonathan R. Grubbs, P.G.
Vice President
January 19, 2023
201 W. Market Center Dr., High Point, Guilford County, NC
Page 5

Attachments
Table 1: Summary of Soil Sampling Results
Table 2: Summary of Groundwater Sampling Results
Figure 1: Site Location Map
Figure 2: Site Layout
Figure 3: Sample Location Map
Technical Methods and Standard Procedures
Soil Boring Logs
Analytical Reports
Table 1
Date: 1/9/23
TPH 3550TPH 5030Date
Collected
PID
(ppm) Sample Depth
SB1 1/6/23 3 - 5 4.68 1.58
SB2 1/6/23 8 - 10 1.98 2.22
SB3 1/6/23 8 - 10 0.98 1.22
SB4 1/6/23 8 - 10 2.10 1.62
SB5 1/6/23 8 - 10 9.50 0.8
100 50
Notes:
1. All results in mg/kg. "<" - less than laboratory sample method detection limit.
2. Bold denotes a compound detection.
3. Shading denotes a NCDEQ DWM-UST Action Limit Exceedence.
TPH Action Limit
SUMMARY OF SOIL SAMPLING RESULTS
Project Name: 201 W. Market Center Dr., High Point, Guilford County, NC
Analytical Method
Sample ID
Contaminant of Concern
TPH DROTPH GRO
Table 2
Date: 1/19/23
6200B6200B6200B6200B6200B6200B625 BNA625 BNA625 BNAWell ID Date Collected BenzeneTolueneEthylbenzeneTotal Xylenes3 & 4 MethylphenolPhenolDi-n-butyl phthalateDiethyl phthalateDimethyl phthalateGW1 1/6/2023 1.06 19.9 0.952 J 5.41 J 1.48 J 4.61 J 18.0 B 0.814 J 2.40 J
1 600 600 500 400 30 700 6000 NE
5,000 260,000 84,500 85,500 400,000 30,000 NE NE NE
Notes:
1. All results in µg/L. `
2. Bold denotes a detected concentration. NA - Not Analyzed for
3. Shading denotes a 2L Standard exceedence
4. Italics denotes a Gross Contaminantion Level (GCL) exceedence
5. < - denotes less than sample detection limit.
6. NE - Not Established; J- estimated concentration; "-" - Analyte not sampled for
GCL
Analytical Method:
2L Standard
GROUNDWATER SAMPLING RESULTS
Project Name: 201 W. Market Center Dr., High Point, Guilford County, NC
ONSULTANTS, P.C.CENVIRONMENTAL
TECHNICAL METHODS/STANDARD PROCEDURES

Equipment Decontamination

All soil sampling equipment utilized during site assessment activities is decontaminated according
to standard and accepted protocol. Cleaning solutions range from clean potable water to acidic
solutions or organic solvents depending on the contaminants present at the site. Equipment
utilized at sites, such as hand augers, contaminated with petroleum hydrocarbons, is generally
decontaminated with a low-sudsing detergent such as Luiquinox® and triple rinsed with distilled
water. Larger equipment, such as drill rigs and associated tools, is steam cleaned. All
decontamination procedures are completed within an established decontamination area which is
located away from the active study area. Frequency of equipment decontamination depends on
the nature of work being performed, but in no case is decontamination performed less frequently
than once per test (i.e., soil boring, well installation, sample collection, etc.). Equipment blanks are
collected as a quality control measure when required by job specifications.

Soil Boring Installation

Soil borings are completed using hand-operated sampling tools, truck-mounted drills, or
Geoprobe® drilling rigs depending on the depth of sample collection and other site-specific
conditions. Hand operated stainless-steel bucket augers are utilized to collect soil samples at
regular intervals to determine site stratigraphy and to test for the presence of volatile organic
compounds. Samples retrieved from the hand auger are necessarily disturbed during the augering
process, but can provide accurate information on soil type and contaminant concentrations when
properly interpreted. Soil samples from hand augered borings are generally retrieved at one to
two foot intervals.

Truck-mounted or Geoprobe® drilling equipment is often utilized when sample retrieval depths
exceed twenty feet or subsurface conditions prevent utilization of hand augers (i.e., buried rocks,
wood, bricks or other materials occur in the subsurface). Truck-mounted drilling rigs usually
retrieve soil via a hollow-stem auger/split spoon collection method. Geoprobe® rigs usually employ
a Macro-Core® tube retrieval system.

Hollow stem augers provide relatively undisturbed 2-foot cores of soil samples. Soil samples are
generally collected at five foot intervals utilizing standard penetration test procedures as defined
by the American Society for Testing and Materials (ASTM) or are pushed to the desired depth using
the head of the drill rig. The standard penetration test involves driving a 2" outside diameter by 1-
3/8" inside diameter split-spoon sampler a minimum distance of one foot with a 340-lb. slide
hammer falling a distance of 30 inches.

A Geoprobe® rig is a hydraulically-powered soil probing machine. The probe utilizes static force
and percussion to advance a small diameter sampling device into the subsurface. The sampling
apparatus provides relatively undisturbed 5-foot cores of soil samples. Soil samples are collected
continuously. The Macro-Core® tube contains an inserted poly-vinyl chloride (PVC) liner which
retains the soil sample as the tube is driven into the ground. The Macro-Core® tube is
decontaminated between each 5-foot sample interval in a soil boring using a Liquinox and tap-
water mixture. A new PVC liner is used to collect soil from each sample interval in a soil boring.

Soil samples retrieved from the hollow-stem augers or Geoprobe are then carefully described
according to the Unified Soil Classification System. Soil descriptions are recorded on a soil
boring log.

Soil Sampling

Soils to be analyzed by a North Carolina-certified laboratory are prepared according to the specified
analytical method. Initially, soil samples are removed from the ground using either a hand auger,
backhoe bucket, spilt spoon auger, or a Macro-Core® sampling tube. During the removal, care is
taken to keep the disturbance of the soil structure to a minimum to reduce the loss of
contaminants. Once removed, the samples are placed in the proper sample container for the
specified analytical method. For samples collected for the MADEP VPH and EPA Method 8260, a
TerraCore® sampler is used to collect one 5-gram allotment of soil. The allotment is placed in
methanol-preserved 40 mL vials. Also, one 5-gram allotment of soil is placed into sodium bisulfate-
preserved 40 mL vials (one 5-gram allotment per vial, 2 vials per sample) for the 8260 low
concentration method. A 250-mL glass jar of the sampled soil is also collected to provide moisture
content information. Soils sampled for MADEP EPH, EPA Method 8270 and TPH 5030 and 3550 are
placed in a 250-mL glass jar (for MADEP EPH analysis an amber jar is required). TPH 5030 samples
are preserved in methanol similar to the 8260 analysis. Field personnel wear new, disposable
nitrile gloves during the collection of each sample.

The soil samples are labeled with the sample location, sample identification, date and time of
collection, and the analytical method. The samples are placed on ice, sent to a laboratory, and
analyzed before the expiration of an analytical method’s prescribed holding time. Chain-of-custody
documentation is maintained for each sample collected in the field.

If the soil is being sampled for volatile or semi-volatile compounds, a portion of the collected soil is
placed in a sealable bag and screened for volatile organic vapors. Head screening procedures are
described in the following paragraph.

Headspace Screening

Collected soil samples are routinely tested for the presence of volatile organic compounds (VOCs).
After retrieval from the ground, a portion of a soil sample is placed in a sealable plastic bag. The
soil samples are then set aside for approximately five minutes so that volatile constituents present
in the sample can reach equilibrium concentrations with headspace gases in the bag. Once a
suitable time period has passed, the probe of the sampling instrument, typically an Organic Vapor
Monitor (OVM) or a Photo Ionization Detector (PID), is inserted into the bag and the relative
concentration of total VOCs is measured and permanently recorded in a field note book. VOC
concentrations are measured using either a Thermo Electron Corp. Innova Series catalytic OVM or
an Ion Science PhoCheck PID. Both the OVM and PID instrumentation are periodically calibrated
according to the manufacturer’s recommended procedures.

The OVM and PID are qualitative tools employed to detect and estimate the concentration of
organic or hydrocarbon vapors. A thin probe is inserted through a small break in the seal of a
bagged soil sample. For the OVM, an air sample from the headspace of the bag is drawn through
the probe into an internal chamber where the vapors are catalyzed. The concentration of the VOCs
is registered on a digital scale in parts per million (ppm). For the PID, an air sample from the
headspace of the bag is drawn across the face of a lamp causing the sample to emit photons, the
presence of which are converted into a VOC ppm reading that is displayed. Oxygen levels are field
calibrated prior to each use. VOC calibration occurs periodically depending upon use by using a
span gas of known concentration in a process recommended by the manufacturer.

Well Installation/Construction

Monitoring wells are installed using hand-operated sampling tools, a truck-mounted drill rig, or a
Geoprobe drilling rig depending on the depth of well and other site-specific conditions. All
monitoring wells are installed according to the requirements of 15A NCAC 2C-Well Construction
Standards. Specifically, individual monitoring wells are constructed of 2-inch diameter, schedule 40
PVC casing riser and screen. The screen interval is generally 10 to 15 feet of machine slotted PVC
with a slot size of 0.010". Only flush threaded joints are used. The annulus space around the
screen is filled with washed filter pack No. 2 sand. The filter pack extends one to two feet above
the top of the screen. A one to two foot-thick bentonite pellet seal is then placed above the filter
pack. The remainder of the well annulus is completely filled with a Portland (Type I/II) cement
grout mixture. A protective outer steel manhole, locking cap, and concrete pad is installed for each
well.

Type II Monitoring Well Construction

Single-cased monitoring wells are generally used in delineation of groundwater quality within the
surficial aquifer. The wells are constructed of 2-inch diameter, schedule 40 PVC casing and screen.
The screen interval is generally 10 to 15 feet of machine slotted PVC with a slot size of 0.010". Only
flush threaded joints are used. The annulus space around the screen is filled with washed filter
pack No. 2 sand. The filter pack extends one to two feet above the top of the screen. A one to two
foot-thick bentonite pellet seal is then placed above the filter pack. The remainder of the well
annulus is completely filled with a Portland (Type I/II) cement grout mixture. A protective outer
steel manhole, locking cap, and concrete pad are installed for each well.

Type III Monitoring Well Construction

Double-cased monitoring wells are used in the delineation of groundwater quality within a deeper
portion of the surficial aquifer or an additional aquifer (e.g. aquitard, bedrock). A four to six-inch
outer casing is installed through the surficial aquifer until a sufficient depth or until the deeper
aquifer is encountered. The casing is secured with a Portland-grout collar that is tremmied into the
annular spaced from the bottom of the bore hole to the surface. Once the grout has sufficiently
cured, the bore hole is continued through the bottom of the outer casing to a depth approximately
15 - 20 feet beneath the outer casing. The inner casing is constructed of 2-inch diameter, schedule
40 PVC casing riser and screen. The screen interval is generally 5 to 10 feet of machine slotted PVC
with a slot size of 0.010". Only flush threaded joints are used. The annulus space around the
screen is filled with washed filter pack No. 2 sand. The filter pack extends one to two feet above
the top of the screen. A one to two foot-thick bentonite pellet seal is then placed above the filter
pack. The remainder of the well annulus is completely filled with the same Portland grout mixture
used in the outer casing. A protective outer steel manhole, locking cap, and concrete pad are
installed for each well.

Well Development

Following installation of each well, surging and pumping or bailing techniques will be used to
remove fines from the screened interval. Groundwater is removed from each well until clear water
is retrieved or a noticeable reduction in the amount of silt is achieved. Purged groundwater is
disposed of in an environmentally safe manner.

Groundwater Sampling

Petroleum Sites

Groundwater samples are collected from temporary or permanent monitoring wells according to
established sampling protocol. When multiple monitoring wells or sampling points are sampled,
sampling is completed beginning with the least contaminated well to the most contaminated well,
if it is known. When permanent monitoring wells for petroleum sites are sampled, the well is
purged of a minimum of three well-bore volumes prior to sample collection in order to assure that
sampled water is representative of aquifer conditions. In temporary wells, the first water which
migrates into the open borehole is sampled. Samples from both temporary and permanent
monitoring wells are collected using individually wrapped disposable polyethylene bailers by field
personnel wearing disposable nitrile gloves. Only one well is sampled with a given bailer in order to
prevent sample cross-contamination. During both well purging and sampling, proper protective
clothing and equipment is used and is dependent upon the type and level of contaminants present.
Also, field personnel change gloves between different samples to reduce the chance of cross-
contamination. Water samples are transferred from the bailer to laboratory-prepared sampling
containers using slow emptying devices to reduce the chance of contamination loss through
volatilization. Preservatives, such as acids, are provided by the laboratory in pre-prepared
containers in which collected samples are placed if in-field preservation is necessary. The samples
are labeled with the project name, project number, sample identification, required analysis, and
date and time of collection. The samples are placed on ice, shipped to a certified laboratory, and
analyzed before the expiration of an analytical method’s prescribed holding time. Chain-of-custody
documentation is maintained for each sample collected in the field.

Other Groundwater Sampling Protocols

When required by state or federal regulations, low-flow groundwater sampling procedures are
instituted. Groundwater samples collected in low-flow situations are collected using a peristaltic
pump. A peristaltic pump is a type of positive displacement pump. The fluid is contained within a
flexible tube fitted inside a circular pump casing. A rotor with a number of rollers attached to the
external circumference compresses the flexible tube. As the rotor turns, the part of tube under
compression closes thus forcing the fluid to be pumped to move through the tube. Groundwater
parameters such as water level drawdown, pH, conductivity, dissolved oxygen (DO) and turbidity.
Pumping rate, drawdown, and the time or volume required to obtain stabilization of parameter
readings can be used as a future guide to purge the well. Measurements are collected at a pre-
pumping established interval (typically five to ten minutes). Once all or a majority of the
parameters have stabilized for three successive readings, stabilization has been achieved. In lieu of
measuring all five parameters, a minimum subset would include pH, conductivity, and turbidity or
DO. Three successive readings should be within ± 0.1 for pH, ± 3% for conductivity, and ± 10% for
turbidity and DO.

Upon parameter stabilization, sampling is initiated. Sampling flow rate is maintained at the estab-
lished purge rate or is adjusted slightly to minimize aeration, bubble formation, turbulent filling of
sample bottles, or loss of volatiles due to extended residence time in tubing. The same device used
for purging is used to collect the groundwater sample. Generally, volatile parameters are sampled
first. The sequence in which samples for inorganic parameters are collected is not determined
unless filtered (dissolved) samples are collected. Preservatives, such as acids, are provided by the
laboratory in pre-prepared containers in which collected samples are placed if in-field preservation
is necessary. The samples are labeled with the project name, project number, sample
identification, required analysis, and date and time of collection. The samples are placed on ice,
shipped to a certified laboratory, and analyzed before the expiration of an analytical method’s
prescribed holding time. Chain-of-custody documentation is maintained for each sample collected
in the field.

During both well purging and sampling, proper protective clothing and equipment is used and is
dependent upon the type and level of contaminants present. Also, field personnel change gloves
between different monitoring wells or sampling points to reduce the chance of cross-
contamination. When multiple monitoring wells or sampling points are sampled, sampling is
completed beginning with the least contaminated well to the most contaminated well, if it is
known.

Stockpile Sampling

The number of composite samples collected from a stockpile or a total quantity of excavated soil is
based upon the cubic yardage. One composite sample is collected for every 100 cubic yards of
contaminated soil excavated. The volume of a stockpile or total quantity of excavated soil is
calculated by approximating the general geometry of a stockpile or estimating the capacity of the
dump trucks used for hauling. If a stockpile is sampled, a grid pattern is laid out on the stockpile,
dividing the stockpile into segments of approximately 200 cubic yards. Two soil borings are
advanced within a grid and three soil samples are collected from each soil boring at various depths.
The six soil samples are mixed into a composite sample by a trained TerraQuest technician. If truck
loads are sampled, an aliquot sample is collected from the hauling trucks at a frequency based
upon the capacity of the hauling trucks.

Aliquots are gently mixed into a composite sample by a trained TerraQuest technician. Every effort
is made to minimize the loss of contaminants through volatilization. The composited soil samples
are jarred in the appropriate laboratory-prepared containers, labeled with the sample location,
sample identification, date of collection, time of collection, the analytical method, and the
preservative. The samples are placed on ice, shipped to a laboratory, and analyzed before the
expiration of an analytical method’s prescribed holding time. Chain-of-custody documentation is
maintained for each sample collected in the field.

Surface Water Sampling

Surface water samples, specifically samples from creeks or streams, are collected from a
moving/flowing portion of the creek or stream to ensure that stagnant water is not collected. Field
personnel are careful to collect samples from flowing areas that are not so turbulent as to cause a
loss of volatile contaminants which might have been contained in the creek’s/stream’s water.
Samples are collected by field personnel wearing disposable nitrile gloves. Field personnel change
gloves between different locations to reduce the chance of cross-contamination. Samples are
collected directly from the appropriate creek or stream location and placed into the appropriate
laboratory-prepared containers. Preservatives, such as acids, are provided by the laboratory in pre-
prepared containers in which collected samples are placed if in-field preservation is necessary. The
samples are labeled with the project name, project number, sample identification, required
analysis, and date and time of collection. The samples are cooled on ice to approximately four
degrees centigrade, shipped to a certified laboratory, and analyzed before the expiration of an
analytical method’s prescribed holding time. Chain-of-custody documentation is maintained for
each sample collected in the field.

Potable Well Sampling

Groundwater samples from potable wells are collected from sampling points, typically spigots,
located in the closest proximity to the potable well pump house as possible. Prior to sample
collection, the water is run for a sufficient amount of time to purge the bladder tank and assure
that sampled water is representative of aquifer conditions. Once purged, the flow rate is reduced
and samples are placed in the appropriate laboratory prepared containers with the appropriate
acid preservatives added if preservation of the sample is necessary. The samples are labeled with
the project name, project number, sample identification, required analysis, and date and time of
collection. The samples are placed on ice, shipped to a laboratory, and analyzed before the
expiration of an analytical method’s prescribed holding time. Chain-of-custody documentation is
maintained for each sample collected in the field.
Public Water Supply Line Sampling

Groundwater samples from public water supply lines are collected from sampling points, typically
spigots. To sample the spigot, the flow rate is reduced and samples are placed in the appropriate
laboratory prepared containers. The samples are labeled with the sample location, sample
identification, date of collection, time of collection, and required analytical method. The samples
are placed on ice, shipped to a laboratory, and analyzed before the expiration of an analytical
method’s prescribed holding time. Chain-of-custody documentation is maintained for each sample
collected in the field.

Air Sampling

Air samples are collected with the aide of a manually operated MityVac® pump manufactured by
Pristech, Inc. The air sampling process begins by connecting a length of rubber hose from the
MityVac® pump to the port to be sampled, or by hanging the hose inside of an emissions stack in
such a manner as to ensure no outside air causes dilution. Another length of hose is fixed to the
outlet port of the pump and is connected to a new Tedlar bag. Once the pump is hooked up, a
valve on the Tedlar collection bag is opened and air is manually forced into the bag by the pumping
action of sampling personnel.

Field Measurements

Field measurements taken to determine the pH, conductivity, temperature, and dissolved oxygen
concentration of a particular groundwater sample are taken directly after a particular monitoring
well has been adequately purged. This ensures that the groundwater parameter data collected is
representative of the aquifer conditions at a given location. Once purging of the monitoring well is
complete, the decontaminated probe head and cord of the appropriate unit is lowered into the
required monitoring well. If the depth to water in a specific monitoring well is greater than the
length of cord for a particular unit, a new, disposable bailer is slowly lowered into the appropriate
monitoring well and a representative groundwater sample is retrieved. A slow pouring device is
fitted onto the end of the disposable bailer and the sample is slowly poured into a new, disposable
plastic cup. Groundwater parameter data are then collected from the groundwater in the cup
using the required unit.

For pH, conductivity, and temperature, a Hanna Instruments Model 991300 portable meter is
utilized. This unit is periodically calibrated and maintained in accordance with the unit’s operations
manual by field personnel. Prior to data collection, the unit is properly decontaminated to prevent
cross-contamination. The unit is decontaminated between each sample. The procedure used for
sample measurement involves lowering the meter’s probe into the new, disposable cup containing
the groundwater sample to be measured and slowly stirring the probe to force groundwater across
the probe’s membrane. The measurements displayed by the meter are then recorded.

For dissolved oxygen concentration measurements, a YSI® Model 55 Handheld Dissolved Oxygen
System is utilized. This unit is periodically calibrated and maintained in accordance with the unit’s
operations manual by field personnel. Prior to data collection, the unit is properly decontaminated
to prevent cross-contamination. The unit is decontaminated between each sample. The procedure
used for sample measurement involves adjusting the unit for the correct altitude where the
sampling will take place and adjusting the reported units desired. Once this is done, the unit’s
probe is inserted into the groundwater sample to be measured and the probe is slowly stirred to
force the groundwater across the probe’s membrane. The measurements displayed by the unit are
then recorded.

For turbidity measurements, a Hach 2100P Portable Turbidity meter or equal equivalent is utilized.
The unit is calibrated prior to use in accordance with the unit’s operations manual by field
personnel. Groundwater samples are collected in glass containers for measurement by the
instrument. The glass containers are washed with bottled-water between each measurement
collection. Once the sample is collected and inserted into the instrument, the measurements
displayed by the instrument are then recorded.

5
10

Concrete
Silty Lean Clay (CL)
med. stiff, grey, mostly clay, little silt, trace sand, dry.
Clayey Silt (ML)med. stiff, grey, mostly silt, little clay, dry.
Boring Terminated @ 10 feet BGL.

NA
NA
NA

1.7
1.3
1.7
BORING LOG
1/6/23
16322
Date Started:
Logged by:
Contractor:
Equipment:
Site:
Project No.:1
Boring Number:SampleBlow
Counts
Depth Lithology DescriptionFeet
Terraquest
J. Grubbs
201 W. Market Center Dr.201 W. Market Center Dr.High Point , NC
J. Grubbs SB1
Scale as shown: Hatch pattern denotes soil sample depth;
Driller:
Date Finished:
Page
OVM
(ppm)
Client:First Citizens Bank4300 Six Forks Rd.Raleigh, NC 27609
Geoprobe 1/6/23
Solid denotes lab sample depth; Lithology hatch pattern legend is attached;
NA - Not Applicable; BGL - Below Groundlevel

5
10
15
20

Concrete
Lean Clay (CL)
med. stiff, grey, mostly clay, trace silt, dry.
Clayey Silt (ML)med. stiff, grey, mostly silt, little clay, moisture @ 13 feet BGL.
Silt (ML)
stiff/hard, yellowish/orange, olive, mostly silt, trace clay, moist

NA
NA
NA
NA
NA

1.1
1.7
1.1
1.0
0.5
BORING LOG
1/6/23
16322
Date Started:
Logged by:
Contractor:
Equipment:
Site:
Project No.:1
Boring Number:SampleBlow
Counts
Depth Lithology DescriptionFeet
Terraquest
J. Grubbs
201 W. Market Center Dr.201 W. Market Center Dr.High Point , NC
J. Grubbs SB2
Scale as shown: Hatch pattern denotes soil sample depth;
Driller:
Date Finished:
Page
OVM
(ppm)
Client:First Citizens Bank4300 Six Forks Rd.Raleigh, NC 27609
Geoprobe 1/6/23
Solid denotes lab sample depth; Lithology hatch pattern legend is attached;
NA - Not Applicable; BGL - Below Groundlevel

5
10
15

Concrete
Lean Clay (CL)
med. stiff, grey, mostly clay, trace silt, dry.
Clayey Silt (ML)med. stiff, grey, mostly silt, little clay, moisture @ 13 feet BGL.
Boring Terminated @15 feet BGL.

NA
NA
NA
NA

1.8
1.5
1.0
0.5
BORING LOG
1/6/23
16322
Date Started:
Logged by:
Contractor:
Equipment:
Site:
Project No.:1
Boring Number:SampleBlow
Counts
Depth Lithology DescriptionFeet
Terraquest
J. Grubbs
201 W. Market Center Dr.201 W. Market Center Dr.High Point , NC
J. Grubbs SB3
Scale as shown: Hatch pattern denotes soil sample depth;
Driller:
Date Finished:
Page
OVM
(ppm)
Client:First Citizens Bank4300 Six Forks Rd.Raleigh, NC 27609
Geoprobe 1/6/23
Solid denotes lab sample depth; Lithology hatch pattern legend is attached;
NA - Not Applicable; BGL - Below Groundlevel

5
10
15

Concrete
Lean Clay (CL)
med. stiff, grey, mostly clay, trace silt, dry.
Clayey Silt (ML)med. stiff, grey, mostly silt, little clay, moisture @ 13 feet BGL.
Boring Terminated @15 feet BGL.

NA
NA
NA
NA

0.8
0.6
0.1
0.3
BORING LOG
1/6/23
16322
Date Started:
Logged by:
Contractor:
Equipment:
Site:
Project No.:1
Boring Number:SampleBlow
Counts
Depth Lithology DescriptionFeet
Terraquest
J. Grubbs
201 W. Market Center Dr.201 W. Market Center Dr.High Point , NC
J. Grubbs SB4
Scale as shown: Hatch pattern denotes soil sample depth;
Driller:
Date Finished:
Page
OVM
(ppm)
Client:First Citizens Bank4300 Six Forks Rd.Raleigh, NC 27609
Geoprobe 1/6/23
Solid denotes lab sample depth; Lithology hatch pattern legend is attached;
NA - Not Applicable; BGL - Below Groundlevel

5
10
15

Concrete
Lean Clay (CL)
med. stiff, grey, mostly clay, trace silt, dry.
Clayey Silt (ML)med. stiff, grey, mostly silt, little clay, moisture @ 13 feet BGL.
Boring Terminated @15 feet BGL.

NA
NA
NA
NA

0.7
0.6
0.3
0.3
BORING LOG
1/6/23
16322
Date Started:
Logged by:
Contractor:
Equipment:
Site:
Project No.:1
Boring Number:SampleBlow
Counts
Depth Lithology DescriptionFeet
Terraquest
J. Grubbs
201 W. Market Center Dr.201 W. Market Center Dr.High Point , NC
J. Grubbs SB5
Scale as shown: Hatch pattern denotes soil sample depth;
Driller:
Date Finished:
Page
OVM
(ppm)
Client:First Citizens Bank4300 Six Forks Rd.Raleigh, NC 27609
Geoprobe 1/6/23
Solid denotes lab sample depth; Lithology hatch pattern legend is attached;
NA - Not Applicable; BGL - Below Groundlevel
0

UVF TRILOGY ANALYTICAL REPORT
Project Name: 201 W. Market Center Dr.

Project Number: 16322

Date: 1/9/2023

Standard Technical Procedures

The UVF TRILOGY instrument is a fixed-wavelength fluorometer but uses deep UV LEDS to detect
monoaromatic and polyaromatic hydrocarbons.
SITELAB’s CAL-025 GRO Module is used to detect volatile petroleum hydrocarbons in the C6 to C10 range.
This test matches well to EPA Methods for GRO, BTEX, BPH or VOC’s using GC/FID instrumentation.
SITELAB’s CAL-042 EDRO Module is used to detect petroleum hydrocarbons in the C10 to C36 diesel and
oil range. This test matches well to EPA methods for TPH, EPH, DRO, and others using GC-FID
instrumentation.
Prior to field usage, the UVF TRILOGY is calibrated with five calibration standard solutions per targeted
analyte.
Soil samples are weighed to the nearest gram (i.e. 5.0 g) and added to a 1-ounce HDPE Nalgene bottle
with a measured amount of laboratory grade methanol to the nearest mL (i.e. 10 mL) to create a sample
extract. After addition of both the soil and methanol, the bottle is agitated for several minutes. Next, the
sample rests for several minutes allowing for the soil and methanol extract to separate.
After ample resting time, the methanol extract is collected with a syringe. A filter is connected to the end
of the syringe and dispensed into a clean sample test tube. The test tube is labeled with sample ID and
extract dilution factor (i.e. 2X).
Known amounts of extract are pipetted into a second test tube and diluted with methanol. The sample
ID and dilution factor are labeled on the test tube (i.e. 100X).
Samples are placed into a clean cuvette and carefully inserted into the selected UV Module. Prior to
analyzing the sample, the stored calibration that matches the UV Module being used, is selected. The
UVF TRILOGY produces a result that when multiplied to the dilution factor equals the true TPH value.
Quenching occurs when the detector is swamped by too many or certain type of hydrocarbons, producing
low or negative concentrations. The sample is tested at multiple dilutions to confirm the results are linear
and accurate.
Solvent blank samples are periodically analyzed to confirm the solvent is clean and the calibration of the
machine is maintained.

UVF Analytical Report
Project Name 201 W. Market Center Dr.
Project Number 16322
Method UVF Trilogy
Sample Name Sample Depth Sample Date Analyte Name Dilution Result MDL Units
SB1 3-5 1/6/2023 DRO 2 4.68 0.2 mg/kg
SB1 3-5 1/6/2023 GRO 2 1.58 1 mg/kg
Monday, January 9, 2023 Page 1 of 5
Project Name 201 W. Market Center Dr.
Project Number 16322
Method UVF Trilogy
Sample Name Sample Depth Sample Date Analyte Name Dilution Result MDL Units
SB2 8-10 1/6/2023 DRO 2 1.98 0.2 mg/kg
SB2 8-10 1/6/2023 GRO 2 2.22 1 mg/kg
Monday, January 9, 2023 Page 2 of 5
Project Name 201 W. Market Center Dr.
Project Number 16322
Method UVF Trilogy
Sample Name Sample Depth Sample Date Analyte Name Dilution Result MDL Units
SB3 8-10 1/6/2023 DRO 2 .98 0.2 mg/kg
SB3 8-10 1/6/2023 GRO 2 1.22 1 mg/kg
Monday, January 9, 2023 Page 3 of 5
Project Name 201 W. Market Center Dr.
Project Number 16322
Method UVF Trilogy
Sample Name Sample Depth Sample Date Analyte Name Dilution Result MDL Units
SB4 8-10 1/6/2023 DRO 2 2.1 0.2 mg/kg
SB4 8-10 1/6/2023 GRO 2 1.62 1 mg/kg
Monday, January 9, 2023 Page 4 of 5
Project Name 201 W. Market Center Dr.
Project Number 16322
Method UVF Trilogy
Sample Name Sample Depth Sample Date Analyte Name Dilution Result MDL Units
SB5 8-10 1/6/2023 DRO 2 9.5 0.2 mg/kg
SB5 8-10 1/6/2023 GRO 2 .80 1 mg/kg
Monday, January 9, 2023 Page 5 of 5
ANALYTICAL REPORT
PREPARED FOR
Attn: Jonathan Grubs
Terraquest Environmental Consultants, PC
100 E. Ruffin Street
Mebane, North Carolina 27302
Generated 1/19/2023 6:22:58 PM
JOB DESCRIPTION
201 W. Market Center Dr. High Point NC
JOB NUMBER
400-231466-1
See page two for job notes and contact information.
Pensacola FL 32514
3355 McLemore Drive
Eurofins Pensacola
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Eurofins Pensacola
Eurofins Pensacola is a laboratory within Eurofins Environment Testing Southeast, LLC, a company within Eurofins Environment Testing Group of Companies
Job Notes
The test results in this report meet all NELAP requirements for accredited parameters, unless otherwise noted, and relate
only to the referenced samples. Pursuant to NELAP, this report may not be reproduced, except in full, without written
approval from the laboratory. For questions please contact the Project Manager at the e-mail address listed on this page, or
the telephone number at the bottom of the page. Eurofins Environment Testing Southeast LLC, Pensacola Certifications and
Approvals: Alabama (40150), Arizona (AZ0710), Arkansas (88-0689), Florida (E81010), Illinois (200041), Iowa (367), Kansas
(E-10253), Kentucky UST (53), Louisiana (30748), Maryland (233), Massachusetts (M-FL094), Michigan (9912), New
Hampshire (250510), New Jersey (FL006), North Carolina (314), Oklahoma (9810), Pennsylvania (68-00467), Rhode Island
(LAO00307), South Carolina (96026), Tennessee (TN02907), Texas (T104704286-10-2), Virginia (00008), Washington
(C2043), West Virginia (136), USDA Foreign Soil Permit (P330-08-00006).
The test results in this report relate only to the samples as received by the laboratory and will meet all requirements of the
methodology, with any exceptions noted. This report shall not be reproduced except in full, without the express written
approval of the laboratory. All questions should be directed to the Eurofins Environment Testing Southeast, LLC Project
Manager.
Authorization
Generated
1/19/2023 6:22:58 PM
Authorized for release by
Chad Bechtold, Project Manager
[e-mail]
[phone]
Page 2 of 22 1/19/2023
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Table of Contents
Client: Terraquest Environmental Consultants, PC
Project/Site: 201 W. Market Center Dr. High Point NC
Laboratory Job ID: 400-231466-1
Page 3 of 22 Eurofins Pensacola1/19/2023
Cover Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Case Narrative . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Detection Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Sample Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Client Sample Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Surrogate Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
QC Association . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
QC Sample Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Chronicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Method Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Certification Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Chain of Custody . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Receipt Checklists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
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Case Narrative
Client: Terraquest Environmental Consultants, PC Job ID: 400-231466-1
Project/Site: 201 W. Market Center Dr. High Point NC
Job ID: 400-231466-1
Laboratory: Eurofins Pensacola
Narrative
Job Narrative
400-231466-1
Receipt
The sample was received on 1/10/2023 9:43 AM. Unless otherwise noted below, the sample arrived in good condition, and, where
required, properly preserved and on ice. The temperature of the cooler at receipt time was 1.9°C
GC/MS VOA
No additional analytical or quality issues were noted, other than those described above or in the Definitions/ Glossary page.
GC/MS Semi VOA
Method 625.1: Six surrogates are used for this analysis. The laboratory's SOP allows one of these surrogates to be outside acceptance
criteria without performing re-extraction/re-analysis. The following sample contained an allowable number of surrogate compounds
outside limits: (MB 400-608298/1-A). These results have been reported and qualified.
Method 625.1: The method blank for preparation batch 400-608298 and analytical batch 400-608380 contained Di-n-butyl phthalate above
the method detection limit. This target analyte concentration was less than the reporting limit (RL); therefore, re-extraction and/or
re-analysis of samples was not performed. The associated sample detection for this compound was qualified with a "B" since it may be
due to laboratory contamination.
Method 625.1: The laboratory control sample (LCS) and / or laboratory control sample duplicate (LCSD) for preparation batch 400-608298
and analytical batch 400-608932 recovered outside control limits for the following analytes: 2,4,5-Trichlorophenol, 2,4,6-Tribromophenol,
2,4-Dinitrotoluene, 2-Nitroaniline, Butyl benzyl phthalate, Diethyl phthalate, Fluorene and Pyrene. These analytes were biased high in the
LCS and were not detected in the associated samples; therefore, the data have been reported. The laboratory control sample (LCS) and /
or laboratory control sample duplicate (LCSD) for preparation batch 400-608298 and analytical batch 400-608932 recovered above control
limits for the following analyte: Di-n-butyl phthalate. This compound was detected in the sample, and the results were reported per client
request.
No additional analytical or quality issues were noted, other than those described above or in the Definitions/ Glossary page.
Eurofins PensacolaPage 4 of 22 1/19/2023
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Detection Summary
Job ID: 400-231466-1Client: Terraquest Environmental Consultants, PC
Project/Site: 201 W. Market Center Dr. High Point NC
Client Sample ID: GW1 Lab Sample ID: 400-231466-1
Benzene
RL
1.00 ug/L
MDL
0.130
Analyte Result Qualifier Unit Dil Fac D Method Prep Type
Total/NA11.06 SM6200-B
Ethylbenzene 1.00 ug/L0.500 Total/NA10.952 J SM6200-B
m-Xylene & p-Xylene 5.00 ug/L0.630 Total/NA13.76 J SM6200-B
o-Xylene 5.00 ug/L0.600 Total/NA11.65 J SM6200-B
Toluene 1.00 ug/L0.410 Total/NA119.9 SM6200-B
Xylenes, Total 10.0 ug/L1.60 Total/NA15.41 J SM6200-B
3 & 4 Methylphenol 21.4 ug/L0.417 Total/NA11.48 J 625.1
Diethyl phthalate 10.7 ug/L0.256 Total/NA10.814 J 625.1
Dimethyl phthalate 10.7 ug/L0.182 Total/NA12.40 J 625.1
Di-n-butyl phthalate 10.7 ug/L1.50 Total/NA118.0 B 625.1
Phenol 10.7 ug/L1.18 Total/NA14.61 J 625.1
Eurofins Pensacola
This Detection Summary does not include radiochemical test results.
Page 5 of 22 1/19/2023
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Sample Summary
Client: Terraquest Environmental Consultants, PC Job ID: 400-231466-1
Project/Site: 201 W. Market Center Dr. High Point NC
Lab Sample ID Client Sample ID Matrix Collected Received
400-231466-1 GW1 Water 01/06/23 12:35 01/10/23 09:43
Eurofins PensacolaPage 6 of 22 1/19/2023
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Client Sample Results
Job ID: 400-231466-1Client: Terraquest Environmental Consultants, PC
Project/Site: 201 W. Market Center Dr. High Point NC
Lab Sample ID: 400-231466-1Client Sample ID: GW1
Matrix: WaterDate Collected: 01/06/23 12:35
Date Received: 01/10/23 09:43
Method: SM6200-B - Volatile Organic Compounds
RL MDL
0.160 U 1.00 0.160 ug/L 01/14/23 08:35 1
Analyte Dil FacAnalyzedPreparedUnitDResultQualifier
1,1,1,2-Tetrachloroethane
1.00 0.180 ug/L 01/14/23 08:35 10.180 U1,1,1-Trichloroethane
1.00 0.500 ug/L 01/14/23 08:35 10.500 U1,1,2,2-Tetrachloroethane
5.00 0.210 ug/L 01/14/23 08:35 10.210 U1,1,2-Trichloroethane
1.00 0.500 ug/L 01/14/23 08:35 10.500 U1,1-Dichloroethane
1.00 0.500 ug/L 01/14/23 08:35 10.500 U1,1-Dichloroethene
1.00 0.500 ug/L 01/14/23 08:35 10.500 U1,1-Dichloropropene
1.00 0.900 ug/L 01/14/23 08:35 10.900 U1,2,3-Trichlorobenzene
5.00 0.840 ug/L 01/14/23 08:35 10.840 U1,2,3-Trichloropropane
1.00 0.820 ug/L 01/14/23 08:35 10.820 U1,2,4-Trichlorobenzene
1.00 0.820 ug/L 01/14/23 08:35 10.820 U1,2,4-Trimethylbenzene
1.00 0.230 ug/L 01/14/23 08:35 10.230 U1,2-Dibromoethane (EDB)
1.00 0.500 ug/L 01/14/23 08:35 10.500 U1,2-Dichlorobenzene
1.00 0.190 ug/L 01/14/23 08:35 10.190 U1,2-Dichloroethane
1.00 0.500 ug/L 01/14/23 08:35 10.500 U1,2-Dichloropropane
1.00 0.560 ug/L 01/14/23 08:35 10.560 U1,3,5-Trimethylbenzene
1.00 0.540 ug/L 01/14/23 08:35 10.540 U1,3-Dichlorobenzene
1.00 0.500 ug/L 01/14/23 08:35 10.500 U1,3-Dichloropropane
1.00 0.640 ug/L 01/14/23 08:35 10.640 U1,4-Dichlorobenzene
1.00 0.500 ug/L 01/14/23 08:35 10.500 U2,2-Dichloropropane
25.0 2.60 ug/L 01/14/23 08:35 12.60 U2-Butanone (MEK)
1.00 0.570 ug/L 01/14/23 08:35 10.570 U2-Chlorotoluene
25.0 1.40 ug/L 01/14/23 08:35 11.40 U2-Hexanone
1.00 0.560 ug/L 01/14/23 08:35 10.560 U4-Chlorotoluene
25.0 1.80 ug/L 01/14/23 08:35 11.80 U4-Methyl-2-pentanone (MIBK)
25.0 10.0 ug/L 01/14/23 08:35 110.0 UAcetone
1.00 0.130 ug/L 01/14/23 08:35 11.06Benzene
1.00 0.540 ug/L 01/14/23 08:35 10.540 UBromobenzene
1.00 0.210 ug/L 01/14/23 08:35 10.210 UBromochloromethane
1.00 0.500 ug/L 01/14/23 08:35 10.500 UBromodichloromethane
5.00 0.250 ug/L 01/14/23 08:35 10.250 UBromoform
1.00 0.980 ug/L 01/14/23 08:35 10.980 UBromomethane
1.00 0.190 ug/L 01/14/23 08:35 10.190 UCarbon tetrachloride
1.00 0.150 ug/L 01/14/23 08:35 10.150 UChlorobenzene
1.00 0.760 ug/L 01/14/23 08:35 10.760 UChloroethane
1.00 1.00 ug/L 01/14/23 08:35 11.00 UChloroform
1.00 0.320 ug/L 01/14/23 08:35 10.320 UChloromethane
1.00 0.200 ug/L 01/14/23 08:35 10.200 Ucis-1,2-Dichloroethene
5.00 0.500 ug/L 01/14/23 08:35 10.500 Ucis-1,3-Dichloropropene
1.00 0.240 ug/L 01/14/23 08:35 10.240 UDibromochloromethane
1.00 0.850 ug/L 01/14/23 08:35 10.850 UDichlorodifluoromethane
1.00 0.200 ug/L 01/14/23 08:35 10.200 UDiisopropyl ether
100 24.0 ug/L 01/14/23 08:35 124.0 UEthanol
1.00 0.500 ug/L 01/14/23 08:35 10.952 JEthylbenzene
1.00 0.530 ug/L 01/14/23 08:35 10.530 UIsopropylbenzene
1.00 0.220 ug/L 01/14/23 08:35 10.220 UMethyl tert-butyl ether
5.00 3.00 ug/L 01/14/23 08:35 13.00 UMethylene Chloride
5.00 0.630 ug/L 01/14/23 08:35 13.76 Jm-Xylene & p-Xylene
5.00 3.00 ug/L 01/14/23 08:35 13.00 UNaphthalene
Eurofins Pensacola
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Client Sample Results
Job ID: 400-231466-1Client: Terraquest Environmental Consultants, PC
Project/Site: 201 W. Market Center Dr. High Point NC
Lab Sample ID: 400-231466-1Client Sample ID: GW1
Matrix: WaterDate Collected: 01/06/23 12:35
Date Received: 01/10/23 09:43
Method: SM6200-B - Volatile Organic Compounds (Continued)
RL MDL
0.760 U 1.00 0.760 ug/L 01/14/23 08:35 1
Analyte Dil FacAnalyzedPreparedUnitDResultQualifier
n-Butylbenzene
1.00 0.690 ug/L 01/14/23 08:35 10.690 UN-Propylbenzene
5.00 0.600 ug/L 01/14/23 08:35 11.65 Jo-Xylene
1.00 0.710 ug/L 01/14/23 08:35 10.710 Up-Cymene (p-Isopropyltoluene)
1.00 0.700 ug/L 01/14/23 08:35 10.700 Usec-Butylbenzene
1.00 1.00 ug/L 01/14/23 08:35 11.00 UStyrene
1.00 0.630 ug/L 01/14/23 08:35 10.630 Utert-Butylbenzene
1.00 0.900 ug/L 01/14/23 08:35 10.900 UTetrachloroethene
1.00 0.410 ug/L 01/14/23 08:35 119.9Toluene
1.00 0.500 ug/L 01/14/23 08:35 10.500 Utrans-1,2-Dichloroethene
5.00 0.200 ug/L 01/14/23 08:35 10.200 Utrans-1,3-Dichloropropene
1.00 0.150 ug/L 01/14/23 08:35 10.150 UTrichloroethene
1.00 0.520 ug/L 01/14/23 08:35 10.520 UTrichlorofluoromethane
25.0 0.930 ug/L 01/14/23 08:35 10.930 UVinyl acetate
1.00 0.500 ug/L 01/14/23 08:35 10.500 UVinyl chloride
10.0 1.60 ug/L 01/14/23 08:35 15.41 JXylenes, Total
4-Bromofluorobenzene 102 72-119 01/14/23 08:35 1
Surrogate Dil FacAnalyzedPreparedQualifierLimits%Recovery
Dibromofluoromethane 103 01/14/23 08:35 175-126
Toluene-d8 (Surr)96 01/14/23 08:35 164-132
Method: 40CFR136A 625.1 - Semivolatile Organic Compounds (GC/MS)
RL MDL
0.160 U 10.7 0.160 ug/L 01/13/23 08:42 01/13/23 23:14 1
Analyte Dil FacAnalyzedPreparedUnitDResultQualifier
1-Methylnaphthalene
10.7 0.171 ug/L 01/13/23 08:42 01/13/23 23:14 10.171 U2,2'-oxybis(1-chloropropane)
10.7 3.95 ug/L 01/13/23 08:42 01/13/23 23:14 13.95 U2,4,5-Trichlorophenol
10.7 2.78 ug/L 01/13/23 08:42 01/13/23 23:14 12.78 U2,4,6-Trichlorophenol
10.7 2.14 ug/L 01/13/23 08:42 01/13/23 23:14 12.14 U2,4-Dichlorophenol
10.7 2.14 ug/L 01/13/23 08:42 01/13/23 23:14 12.14 U2,4-Dimethylphenol
32.1 3.63 ug/L 01/13/23 08:42 01/13/23 23:14 13.63 U2,4-Dinitrophenol
10.7 2.03 ug/L 01/13/23 08:42 01/13/23 23:14 12.03 U2,4-Dinitrotoluene
10.7 2.03 ug/L 01/13/23 08:42 01/13/23 23:14 12.03 U2,6-Dinitrotoluene
10.7 0.150 ug/L 01/13/23 08:42 01/13/23 23:14 10.150 U2-Chloronaphthalene
10.7 2.35 ug/L 01/13/23 08:42 01/13/23 23:14 12.35 U2-Chlorophenol
10.7 0.139 ug/L 01/13/23 08:42 01/13/23 23:14 10.139 U2-Methylnaphthalene
10.7 1.92 ug/L 01/13/23 08:42 01/13/23 23:14 11.92 U2-Methylphenol
10.7 2.35 ug/L 01/13/23 08:42 01/13/23 23:14 12.35 U2-Nitroaniline
10.7 2.56 ug/L 01/13/23 08:42 01/13/23 23:14 12.56 U2-Nitrophenol
21.4 0.417 ug/L 01/13/23 08:42 01/13/23 23:14 11.48 J3 & 4 Methylphenol
10.7 2.78 ug/L 01/13/23 08:42 01/13/23 23:14 12.78 U3,3'-Dichlorobenzidine
10.7 1.92 ug/L 01/13/23 08:42 01/13/23 23:14 11.92 U3-Nitroaniline
10.7 1.71 ug/L 01/13/23 08:42 01/13/23 23:14 11.71 U4,6-Dinitro-2-methylphenol
10.7 0.214 ug/L 01/13/23 08:42 01/13/23 23:14 10.214 U4-Bromophenyl phenyl ether
10.7 4.06 ug/L 01/13/23 08:42 01/13/23 23:14 14.06 U4-Chloro-3-methylphenol
10.7 3.63 ug/L 01/13/23 08:42 01/13/23 23:14 13.63 U4-Chloroaniline
10.7 2.14 ug/L 01/13/23 08:42 01/13/23 23:14 12.14 U4-Chlorophenyl phenyl ether
10.7 1.60 ug/L 01/13/23 08:42 01/13/23 23:14 11.60 U4-Nitroaniline
10.7 2.24 ug/L 01/13/23 08:42 01/13/23 23:14 12.24 U4-Nitrophenol
10.7 0.171 ug/L 01/13/23 08:42 01/13/23 23:14 10.171 UAcenaphthene
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Client Sample Results
Job ID: 400-231466-1Client: Terraquest Environmental Consultants, PC
Project/Site: 201 W. Market Center Dr. High Point NC
Lab Sample ID: 400-231466-1Client Sample ID: GW1
Matrix: WaterDate Collected: 01/06/23 12:35
Date Received: 01/10/23 09:43
Method: 40CFR136A 625.1 - Semivolatile Organic Compounds (GC/MS) (Continued)
RL MDL
0.182 U 10.7 0.182 ug/L 01/13/23 08:42 01/13/23 23:14 1
Analyte Dil FacAnalyzedPreparedUnitDResultQualifier
Acenaphthylene
10.7 0.192 ug/L 01/13/23 08:42 01/13/23 23:14 10.192 UAnthracene
26.7 21.4 ug/L 01/13/23 08:42 01/13/23 23:14 121.4 UBenzidine
10.7 0.192 ug/L 01/13/23 08:42 01/13/23 23:14 10.192 UBenzo[a]anthracene
10.7 0.128 ug/L 01/13/23 08:42 01/13/23 23:14 10.128 UBenzo[a]pyrene
10.7 0.160 ug/L 01/13/23 08:42 01/18/23 15:35 10.160 UBenzo[b]fluoranthene
10.7 0.246 ug/L 01/13/23 08:42 01/13/23 23:14 10.246 UBenzo[g,h,i]perylene
10.7 0.171 ug/L 01/13/23 08:42 01/18/23 15:35 10.171 UBenzo[k]fluoranthene
32.1 7.80 ug/L 01/13/23 08:42 01/13/23 23:14 17.80 UBenzoic acid
10.7 2.14 ug/L 01/13/23 08:42 01/13/23 23:14 12.14 UBenzyl alcohol
10.7 0.171 ug/L 01/13/23 08:42 01/13/23 23:14 10.171 UBis(2-chloroethoxy)methane
10.7 2.88 ug/L 01/13/23 08:42 01/13/23 23:14 12.88 UBis(2-chloroethyl)ether
10.7 5.34 ug/L 01/13/23 08:42 01/13/23 23:14 15.34 UBis(2-ethylhexyl) phthalate
10.7 0.203 ug/L 01/13/23 08:42 01/13/23 23:14 10.203 UButyl benzyl phthalate
10.7 0.203 ug/L 01/13/23 08:42 01/13/23 23:14 10.203 UChrysene
10.7 0.256 ug/L 01/13/23 08:42 01/13/23 23:14 10.256 UDibenz(a,h)anthracene
10.7 0.182 ug/L 01/13/23 08:42 01/13/23 23:14 10.182 UDibenzofuran
10.7 0.256 ug/L 01/13/23 08:42 01/13/23 23:14 10.814 JDiethyl phthalate
10.7 0.182 ug/L 01/13/23 08:42 01/13/23 23:14 12.40 JDimethyl phthalate
10.7 1.50 ug/L 01/13/23 08:42 01/13/23 23:14 118.0 BDi-n-butyl phthalate
10.7 0.182 ug/L 01/13/23 08:42 01/13/23 23:14 10.182 UDi-n-octyl phthalate
10.7 0.192 ug/L 01/13/23 08:42 01/13/23 23:14 10.192 UFluoranthene
10.7 0.192 ug/L 01/13/23 08:42 01/13/23 23:14 10.192 UFluorene
10.7 0.182 ug/L 01/13/23 08:42 01/13/23 23:14 10.182 UHexachlorobenzene
10.7 3.85 ug/L 01/13/23 08:42 01/13/23 23:14 13.85 UHexachlorobutadiene
21.4 2.78 ug/L 01/13/23 08:42 01/13/23 23:14 12.78 UHexachlorocyclopentadiene
10.7 4.49 ug/L 01/13/23 08:42 01/13/23 23:14 14.49 UHexachloroethane
10.7 0.235 ug/L 01/13/23 08:42 01/13/23 23:14 10.235 UIndeno[1,2,3-cd]pyrene
10.7 0.150 ug/L 01/13/23 08:42 01/13/23 23:14 10.150 UIsophorone
10.7 0.139 ug/L 01/13/23 08:42 01/13/23 23:14 10.139 UNitrobenzene
10.7 3.53 ug/L 01/13/23 08:42 01/13/23 23:14 13.53 UN-Nitrosodi-n-propylamine
10.7 0.192 ug/L 01/13/23 08:42 01/13/23 23:14 10.192 UN-Nitrosodiphenylamine
21.4 1.50 ug/L 01/13/23 08:42 01/13/23 23:14 11.50 UPentachlorophenol
10.7 0.192 ug/L 01/13/23 08:42 01/13/23 23:14 10.192 UPhenanthrene
10.7 1.18 ug/L 01/13/23 08:42 01/13/23 23:14 14.61 JPhenol
10.7 0.224 ug/L 01/13/23 08:42 01/13/23 23:14 10.224 UPyrene
2,4,6-Tribromophenol 78 15-135 01/13/23 08:42 01/13/23 23:14 1
Surrogate Dil FacAnalyzedPreparedQualifierLimits%Recovery
2,4,6-Tribromophenol 80 01/13/23 08:42 01/18/23 15:35 115-135
2-Fluorobiphenyl 91 01/13/23 08:42 01/13/23 23:14 132-109
2-Fluorobiphenyl 92 01/13/23 08:42 01/18/23 15:35 132-109
2-Fluorophenol 74 01/13/23 08:42 01/13/23 23:14 110-104
2-Fluorophenol 74 01/13/23 08:42 01/18/23 15:35 110-104
Nitrobenzene-d5 85 01/13/23 08:42 01/13/23 23:14 131-111
Nitrobenzene-d5 84 01/13/23 08:42 01/18/23 15:35 131-111
Phenol-d5 59 01/13/23 08:42 01/13/23 23:14 110-110
Phenol-d5 61 01/13/23 08:42 01/18/23 15:35 110-110
Terphenyl-d14 98 01/13/23 08:42 01/13/23 23:14 130-129
Terphenyl-d14 101 01/13/23 08:42 01/18/23 15:35 130-129
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Definitions/Glossary
Job ID: 400-231466-1Client: Terraquest Environmental Consultants, PC
Project/Site: 201 W. Market Center Dr. High Point NC
Qualifiers
GC/MS VOA
Qualifier Description
J Result is less than the RL but greater than or equal to the MDL and the concentration is an approximate value.
Qualifier
U Indicates the analyte was analyzed for but not detected.
GC/MS Semi VOA
Qualifier Description
*+LCS and/or LCSD is outside acceptance limits, high biased.
Qualifier
B Compound was found in the blank and sample.
E Result exceeded calibration range.
J Result is less than the RL but greater than or equal to the MDL and the concentration is an approximate value.
S1+Surrogate recovery exceeds control limits, high biased.
U Indicates the analyte was analyzed for but not detected.
Glossary
These commonly used abbreviations may or may not be present in this report.
¤Listed under the "D" column to designate that the result is reported on a dry weight basis
Abbreviation
%R Percent Recovery
CFL Contains Free Liquid
CFU Colony Forming Unit
CNF Contains No Free Liquid
DER Duplicate Error Ratio (normalized absolute difference)
Dil Fac Dilution Factor
DL Detection Limit (DoD/DOE)
DL, RA, RE, IN Indicates a Dilution, Re-analysis, Re-extraction, or additional Initial metals/anion analysis of the sample
DLC Decision Level Concentration (Radiochemistry)
EDL Estimated Detection Limit (Dioxin)
LOD Limit of Detection (DoD/DOE)
LOQ Limit of Quantitation (DoD/DOE)
MCL EPA recommended "Maximum Contaminant Level"
MDA Minimum Detectable Activity (Radiochemistry)
MDC Minimum Detectable Concentration (Radiochemistry)
MDL Method Detection Limit
ML Minimum Level (Dioxin)
MPN Most Probable Number
MQL Method Quantitation Limit
NC Not Calculated
ND Not Detected at the reporting limit (or MDL or EDL if shown)
NEG Negative / Absent
POS Positive / Present
PQL Practical Quantitation Limit
PRES Presumptive
QC Quality Control
RER Relative Error Ratio (Radiochemistry)
RL Reporting Limit or Requested Limit (Radiochemistry)
RPD Relative Percent Difference, a measure of the relative difference between two points
TEF Toxicity Equivalent Factor (Dioxin)
TEQ Toxicity Equivalent Quotient (Dioxin)
TNTC Too Numerous To Count
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Surrogate Summary
Job ID: 400-231466-1Client: Terraquest Environmental Consultants, PC
Project/Site: 201 W. Market Center Dr. High Point NC
Method: SM6200-B - Volatile Organic Compounds
Prep Type: Total/NAMatrix: Water
Lab Sample ID Client Sample ID (72-119)(75-126)(64-132)
BFB DBFM TOL
102 103 96400-231466-1
Percent Surrogate Recovery (Acceptance Limits)
GW1
Surrogate Legend
BFB = 4-Bromofluorobenzene
DBFM = Dibromofluoromethane
TOL = Toluene-d8 (Surr)
Method: 625.1 - Semivolatile Organic Compounds (GC/MS)
Prep Type: Total/NAMatrix: Water
Lab Sample ID Client Sample ID (15-135)(32-109)(10-104)(31-111)(10-110)(30-129)
TBP FBP 2FP NBZ PHL TPHL
78 91 74 85 59 98400-231466-1
Percent Surrogate Recovery (Acceptance Limits)
GW1
80 92 74 6184 101400-231466-1 GW1
108 94 92 8199 115LCS 400-608298/2-A Lab Control Sample
122 100 99 87105 129LCSD 400-608298/3-A Lab Control Sample Dup
87 103 92 77104 131 S1+MB 400-608298/1-A Method Blank
Surrogate Legend
TBP = 2,4,6-Tribromophenol
FBP = 2-Fluorobiphenyl
2FP = 2-Fluorophenol
NBZ = Nitrobenzene-d5
PHL = Phenol-d5
TPHL = Terphenyl-d14
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QC Association Summary
Job ID: 400-231466-1Client: Terraquest Environmental Consultants, PC
Project/Site: 201 W. Market Center Dr. High Point NC
GC/MS VOA
Analysis Batch: 608467
Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch
Water SM6200-B400-231466-1 GW1 Total/NA
GC/MS Semi VOA
Prep Batch: 608298
Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch
Water 625400-231466-1 GW1 Total/NA
Water 625MB 400-608298/1-A Method Blank Total/NA
Water 625LCS 400-608298/2-A Lab Control Sample Total/NA
Water 625LCSD 400-608298/3-A Lab Control Sample Dup Total/NA
Analysis Batch: 608380
Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch
Water 625.1 608298400-231466-1 GW1 Total/NA
Water 625.1 608298MB 400-608298/1-A Method Blank Total/NA
Analysis Batch: 608932
Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch
Water 625.1 608298LCS 400-608298/2-A Lab Control Sample Total/NA
Water 625.1 608298LCSD 400-608298/3-A Lab Control Sample Dup Total/NA
Analysis Batch: 608935
Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch
Water 625.1 608298400-231466-1 GW1 Total/NA
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QC Sample Results
Job ID: 400-231466-1Client: Terraquest Environmental Consultants, PC
Project/Site: 201 W. Market Center Dr. High Point NC
Method: 625.1 - Semivolatile Organic Compounds (GC/MS)
Client Sample ID: Method BlankLab Sample ID: MB 400-608298/1-A
Matrix: Water Prep Type: Total/NA
Analysis Batch: 608380 Prep Batch: 608298
RL MDL
1-Methylnaphthalene 0.150 U 10.0 0.150 ug/L 01/13/23 08:42 01/13/23 21:27 1
MB MB
Analyte Dil FacAnalyzedPreparedDUnitResultQualifier
0.160 U 0.16010.0 ug/L 01/13/23 08:42 01/13/23 21:27 12,2'-oxybis(1-chloropropane)
3.70 U 3.7010.0 ug/L 01/13/23 08:42 01/13/23 21:27 12,4,5-Trichlorophenol
2.60 U 2.6010.0 ug/L 01/13/23 08:42 01/13/23 21:27 12,4,6-Trichlorophenol
2.00 U 2.0010.0 ug/L 01/13/23 08:42 01/13/23 21:27 12,4-Dichlorophenol
2.00 U 2.0010.0 ug/L 01/13/23 08:42 01/13/23 21:27 12,4-Dimethylphenol
3.40 U 3.4030.0 ug/L 01/13/23 08:42 01/13/23 21:27 12,4-Dinitrophenol
1.90 U 1.9010.0 ug/L 01/13/23 08:42 01/13/23 21:27 12,4-Dinitrotoluene
1.90 U 1.9010.0 ug/L 01/13/23 08:42 01/13/23 21:27 12,6-Dinitrotoluene
0.140 U 0.14010.0 ug/L 01/13/23 08:42 01/13/23 21:27 12-Chloronaphthalene
2.20 U 2.2010.0 ug/L 01/13/23 08:42 01/13/23 21:27 12-Chlorophenol
0.130 U 0.13010.0 ug/L 01/13/23 08:42 01/13/23 21:27 12-Methylnaphthalene
1.80 U 1.8010.0 ug/L 01/13/23 08:42 01/13/23 21:27 12-Methylphenol
2.20 U 2.2010.0 ug/L 01/13/23 08:42 01/13/23 21:27 12-Nitroaniline
2.40 U 2.4010.0 ug/L 01/13/23 08:42 01/13/23 21:27 12-Nitrophenol
0.390 U 0.39020.0 ug/L 01/13/23 08:42 01/13/23 21:27 13 & 4 Methylphenol
2.60 U 2.6010.0 ug/L 01/13/23 08:42 01/13/23 21:27 13,3'-Dichlorobenzidine
1.80 U 1.8010.0 ug/L 01/13/23 08:42 01/13/23 21:27 13-Nitroaniline
1.60 U 1.6010.0 ug/L 01/13/23 08:42 01/13/23 21:27 14,6-Dinitro-2-methylphenol
0.200 U 0.20010.0 ug/L 01/13/23 08:42 01/13/23 21:27 14-Bromophenyl phenyl ether
3.80 U 3.8010.0 ug/L 01/13/23 08:42 01/13/23 21:27 14-Chloro-3-methylphenol
3.40 U 3.4010.0 ug/L 01/13/23 08:42 01/13/23 21:27 14-Chloroaniline
2.00 U 2.0010.0 ug/L 01/13/23 08:42 01/13/23 21:27 14-Chlorophenyl phenyl ether
1.50 U 1.5010.0 ug/L 01/13/23 08:42 01/13/23 21:27 14-Nitroaniline
2.10 U 2.1010.0 ug/L 01/13/23 08:42 01/13/23 21:27 14-Nitrophenol
0.160 U 0.16010.0 ug/L 01/13/23 08:42 01/13/23 21:27 1Acenaphthene
0.170 U 0.17010.0 ug/L 01/13/23 08:42 01/13/23 21:27 1Acenaphthylene
0.180 U 0.18010.0 ug/L 01/13/23 08:42 01/13/23 21:27 1Anthracene
20.0 U 20.025.0 ug/L 01/13/23 08:42 01/13/23 21:27 1Benzidine
0.180 U 0.18010.0 ug/L 01/13/23 08:42 01/13/23 21:27 1Benzo[a]anthracene
0.120 U 0.12010.0 ug/L 01/13/23 08:42 01/13/23 21:27 1Benzo[a]pyrene
0.150 U 0.15010.0 ug/L 01/13/23 08:42 01/13/23 21:27 1Benzo[b]fluoranthene
0.230 U 0.23010.0 ug/L 01/13/23 08:42 01/13/23 21:27 1Benzo[g,h,i]perylene
0.160 U 0.16010.0 ug/L 01/13/23 08:42 01/13/23 21:27 1Benzo[k]fluoranthene
7.30 U 7.3030.0 ug/L 01/13/23 08:42 01/13/23 21:27 1Benzoic acid
2.00 U 2.0010.0 ug/L 01/13/23 08:42 01/13/23 21:27 1Benzyl alcohol
0.160 U 0.16010.0 ug/L 01/13/23 08:42 01/13/23 21:27 1Bis(2-chloroethoxy)methane
2.70 U 2.7010.0 ug/L 01/13/23 08:42 01/13/23 21:27 1Bis(2-chloroethyl)ether
5.00 U 5.0010.0 ug/L 01/13/23 08:42 01/13/23 21:27 1Bis(2-ethylhexyl) phthalate
0.190 U 0.19010.0 ug/L 01/13/23 08:42 01/13/23 21:27 1Butyl benzyl phthalate
0.190 U 0.19010.0 ug/L 01/13/23 08:42 01/13/23 21:27 1Chrysene
0.240 U 0.24010.0 ug/L 01/13/23 08:42 01/13/23 21:27 1Dibenz(a,h)anthracene
0.170 U 0.17010.0 ug/L 01/13/23 08:42 01/13/23 21:27 1Dibenzofuran
0.240 U 0.24010.0 ug/L 01/13/23 08:42 01/13/23 21:27 1Diethyl phthalate
0.170 U 0.17010.0 ug/L 01/13/23 08:42 01/13/23 21:27 1Dimethyl phthalate
9.114 J 1.4010.0 ug/L 01/13/23 08:42 01/13/23 21:27 1Di-n-butyl phthalate
0.170 U 0.17010.0 ug/L 01/13/23 08:42 01/13/23 21:27 1Di-n-octyl phthalate
0.180 U 0.18010.0 ug/L 01/13/23 08:42 01/13/23 21:27 1Fluoranthene
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QC Sample Results
Job ID: 400-231466-1Client: Terraquest Environmental Consultants, PC
Project/Site: 201 W. Market Center Dr. High Point NC
Method: 625.1 - Semivolatile Organic Compounds (GC/MS) (Continued)
Client Sample ID: Method BlankLab Sample ID: MB 400-608298/1-A
Matrix: Water Prep Type: Total/NA
Analysis Batch: 608380 Prep Batch: 608298
RL MDL
Fluorene 0.180 U 10.0 0.180 ug/L 01/13/23 08:42 01/13/23 21:27 1
MB MB
Analyte Dil FacAnalyzedPreparedDUnitResultQualifier
0.170 U 0.17010.0 ug/L 01/13/23 08:42 01/13/23 21:27 1Hexachlorobenzene
3.60 U 3.6010.0 ug/L 01/13/23 08:42 01/13/23 21:27 1Hexachlorobutadiene
2.60 U 2.6020.0 ug/L 01/13/23 08:42 01/13/23 21:27 1Hexachlorocyclopentadiene
4.20 U 4.2010.0 ug/L 01/13/23 08:42 01/13/23 21:27 1Hexachloroethane
0.220 U 0.22010.0 ug/L 01/13/23 08:42 01/13/23 21:27 1Indeno[1,2,3-cd]pyrene
0.140 U 0.14010.0 ug/L 01/13/23 08:42 01/13/23 21:27 1Isophorone
0.130 U 0.13010.0 ug/L 01/13/23 08:42 01/13/23 21:27 1Nitrobenzene
3.30 U 3.3010.0 ug/L 01/13/23 08:42 01/13/23 21:27 1N-Nitrosodi-n-propylamine
0.180 U 0.18010.0 ug/L 01/13/23 08:42 01/13/23 21:27 1N-Nitrosodiphenylamine
1.40 U 1.4020.0 ug/L 01/13/23 08:42 01/13/23 21:27 1Pentachlorophenol
0.180 U 0.18010.0 ug/L 01/13/23 08:42 01/13/23 21:27 1Phenanthrene
1.10 U 1.1010.0 ug/L 01/13/23 08:42 01/13/23 21:27 1Phenol
0.210 U 0.21010.0 ug/L 01/13/23 08:42 01/13/23 21:27 1Pyrene
2,4,6-Tribromophenol 87 15-135 01/13/23 21:27 1
MB MB
Surrogate
01/13/23 08:42
Dil FacPreparedAnalyzedQualifierLimits%Recovery
103 01/13/23 08:42 01/13/23 21:27 12-Fluorobiphenyl 32-109
92 01/13/23 08:42 01/13/23 21:27 12-Fluorophenol 10-104
104 01/13/23 08:42 01/13/23 21:27 1Nitrobenzene-d5 31-111
77 01/13/23 08:42 01/13/23 21:27 1Phenol-d5 10-110
131 S1+01/13/23 08:42 01/13/23 21:27 1Terphenyl-d14 30-129
Client Sample ID: Lab Control SampleLab Sample ID: LCS 400-608298/2-A
Matrix: Water Prep Type: Total/NA
Analysis Batch: 608932 Prep Batch: 608298
1-Methylnaphthalene 120 115.8 ug/L 97 53-130
Analyte
LCS LCS
DUnitResultQualifier %Rec
Spike
Added
%Rec
Limits
2,2'-oxybis(1-chloropropane)120 112.9 ug/L 94 63-139
2,4,5-Trichlorophenol 120 152.1 ug/L 127 55-140
2,4,6-Trichlorophenol 120 147.9 ug/L 123 52-129
2,4-Dichlorophenol 120 126.3 ug/L 105 53-122
2,4-Dimethylphenol 120 108.7 ug/L 91 42-120
2,4-Dinitrophenol 240 312.6 ug/L 130 10-173
2,4-Dinitrotoluene 120 156.9 *+ug/L 131 48-127
2,6-Dinitrotoluene 120 140.0 ug/L 117 68-137
2-Chloronaphthalene 120 124.1 ug/L 103 65-120
2-Chlorophenol 120 120.1 ug/L 100 36-120
2-Methylnaphthalene 120 115.7 ug/L 96 53-130
2-Methylphenol 120 123.1 ug/L 103 51-130
2-Nitroaniline 120 143.4 ug/L 119 41-130
2-Nitrophenol 120 138.1 ug/L 115 61-163
3 & 4 Methylphenol 120 121.2 ug/L 101 49-130
3,3'-Dichlorobenzidine 240 395.4 ug/L 165 10-213
3-Nitroaniline 120 133.0 ug/L 111 25-130
4,6-Dinitro-2-methylphenol 240 279.5 ug/L 116 53-130
4-Bromophenyl phenyl ether 120 129.2 ug/L 108 65-120
Eurofins Pensacola
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QC Sample Results
Job ID: 400-231466-1Client: Terraquest Environmental Consultants, PC
Project/Site: 201 W. Market Center Dr. High Point NC
Method: 625.1 - Semivolatile Organic Compounds (GC/MS) (Continued)
Client Sample ID: Lab Control SampleLab Sample ID: LCS 400-608298/2-A
Matrix: Water Prep Type: Total/NA
Analysis Batch: 608932 Prep Batch: 608298
4-Chloro-3-methylphenol 120 133.0 ug/L 111 41-128
Analyte
LCS LCS
DUnitResultQualifier %Rec
Spike
Added
%Rec
Limits
4-Chloroaniline 120 89.24 ug/L 74 10-130
4-Chlorophenyl phenyl ether 120 140.1 ug/L 117 38-145
4-Nitroaniline 120 120.5 ug/L 100 28-130
4-Nitrophenol 240 252.2 ug/L 105 13-129
Acenaphthene 120 131.7 ug/L 110 60-132
Acenaphthylene 120 133.2 ug/L 111 54-126
Anthracene 120 132.2 ug/L 110 43-120
Benzidine 240 36.22 ug/L 15 5-130
Benzo[a]anthracene 120 139.4 ug/L 116 42-133
Benzo[a]pyrene 120 129.4 ug/L 108 32-148
Benzo[b]fluoranthene 120 129.7 ug/L 108 42-140
Benzo[g,h,i]perylene 120 108.2 ug/L 90 10-195
Benzo[k]fluoranthene 120 130.9 ug/L 109 25-146
Benzoic acid 554 367.1 ug/L 66 19-126
Benzyl alcohol 120 121.5 ug/L 101 10-130
Bis(2-chloroethoxy)methane 120 110.5 ug/L 92 49-165
Bis(2-chloroethyl)ether 120 108.4 ug/L 90 43-126
Bis(2-ethylhexyl) phthalate 120 143.0 ug/L 119 29-137
Butyl benzyl phthalate 120 156.9 ug/L 131 10-140
Chrysene 120 148.6 ug/L 124 44-140
Dibenz(a,h)anthracene 120 107.9 ug/L 90 10-200
Dibenzofuran 120 133.6 ug/L 111 59-130
Diethyl phthalate 120 137.1 ug/L 114 10-120
Dimethyl phthalate 120 131.0 ug/L 109 10-120
Di-n-butyl phthalate 120 145.8 *+ug/L 122 10-120
Di-n-octyl phthalate 120 137.6 ug/L 115 19-132
Fluoranthene 120 137.1 ug/L 114 43-121
Fluorene 120 139.3 ug/L 116 70-120
Hexachlorobenzene 120 138.1 ug/L 115 10-142
Hexachlorobutadiene 120 96.46 ug/L 80 38-120
Hexachlorocyclopentadiene 120 90.60 ug/L 76 10-130
Hexachloroethane 120 96.73 ug/L 81 55-120
Indeno[1,2,3-cd]pyrene 120 105.4 ug/L 88 10-151
Isophorone 120 117.4 ug/L 98 47-180
Nitrobenzene 120 114.9 ug/L 96 54-158
N-Nitrosodi-n-propylamine 120 123.3 ug/L 103 14-198
N-Nitrosodiphenylamine 119 116.9 ug/L 98 57-130
Pentachlorophenol 240 293.0 ug/L 122 38-152
Phenanthrene 120 129.6 ug/L 108 65-120
Phenol 120 102.9 ug/L 86 17-120
Pyrene 120 144.4 ug/L 120 70-120
2,4,6-Tribromophenol 15 -135
Surrogate
108
LCS LCS
Qualifier Limits%Recovery
942-Fluorobiphenyl 32 -109
922-Fluorophenol 10 -104
99Nitrobenzene-d5 31 -111
Eurofins Pensacola
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QC Sample Results
Job ID: 400-231466-1Client: Terraquest Environmental Consultants, PC
Project/Site: 201 W. Market Center Dr. High Point NC
Method: 625.1 - Semivolatile Organic Compounds (GC/MS) (Continued)
Client Sample ID: Lab Control SampleLab Sample ID: LCS 400-608298/2-A
Matrix: Water Prep Type: Total/NA
Analysis Batch: 608932 Prep Batch: 608298
Phenol-d5 10 -110
Surrogate
81
LCS LCS
Qualifier Limits%Recovery
115Terphenyl-d14 30 -129
Client Sample ID: Lab Control Sample DupLab Sample ID: LCSD 400-608298/3-A
Matrix: Water Prep Type: Total/NA
Analysis Batch: 608932 Prep Batch: 608298
1-Methylnaphthalene 120 121.0 ug/L 101 53-130 4 40
Analyte
LCSD LCSD
DUnitResultQualifier %Rec
Spike
Added
%Rec
Limits LimitRPD
RPD
2,2'-oxybis(1-chloropropane)120 120.1 ug/L 100 63-139 6 40
2,4,5-Trichlorophenol 120 169.4 *+ug/L 141 55-140 11 40
2,4,6-Trichlorophenol 120 162.2 *+ug/L 135 52-129 9 40
2,4-Dichlorophenol 120 135.2 ug/L 113 53-122 7 40
2,4-Dimethylphenol 120 117.2 ug/L 98 42-120 7 40
2,4-Dinitrophenol 240 338.7 ug/L 141 10-173 8 40
2,4-Dinitrotoluene 120 171.3 *+ug/L 143 48-127 9 40
2,6-Dinitrotoluene 120 152.7 ug/L 127 68-137 9 40
2-Chloronaphthalene 120 132.1 ug/L 110 65-120 6 24
2-Chlorophenol 120 131.0 ug/L 109 36-120 9 40
2-Methylnaphthalene 120 122.3 ug/L 102 53-130 6 40
2-Methylphenol 120 133.4 ug/L 111 51-130 8 40
2-Nitroaniline 120 160.0 *+ug/L 133 41-130 11 40
2-Nitrophenol 120 150.3 ug/L 125 61-163 8 40
3 & 4 Methylphenol 120 132.0 ug/L 110 49-130 9 40
3,3'-Dichlorobenzidine 240 429.6 E ug/L 179 10-213 8 40
3-Nitroaniline 120 149.1 ug/L 124 25-130 11 40
4,6-Dinitro-2-methylphenol 240 312.2 ug/L 130 53-130 11 40
4-Bromophenyl phenyl ether 120 140.4 ug/L 117 65-120 8 40
4-Chloro-3-methylphenol 120 144.1 ug/L 120 41-128 8 40
4-Chloroaniline 120 94.82 ug/L 79 10-130 6 40
4-Chlorophenyl phenyl ether 120 153.8 ug/L 128 38-145 9 40
4-Nitroaniline 120 140.2 ug/L 117 28-130 15 40
4-Nitrophenol 240 287.7 ug/L 120 13-129 13 40
Acenaphthene 120 141.2 ug/L 118 60-132 7 40
Acenaphthylene 120 143.6 ug/L 120 54-126 8 40
Anthracene 120 142.1 ug/L 118 43-120 7 40
Benzidine 240 30.35 ug/L 13 5-130 18 40
Benzo[a]anthracene 120 148.3 ug/L 124 42-133 6 40
Benzo[a]pyrene 120 137.4 ug/L 115 32-148 6 40
Benzo[b]fluoranthene 120 140.5 ug/L 117 42-140 8 40
Benzo[g,h,i]perylene 120 123.8 ug/L 103 10-195 13 40
Benzo[k]fluoranthene 120 136.5 ug/L 114 25-146 4 40
Benzoic acid 554 511.9 ug/L 92 19-126 33 40
Benzyl alcohol 120 133.4 ug/L 111 10-130 9 40
Bis(2-chloroethoxy)methane 120 117.0 ug/L 97 49-165 6 40
Bis(2-chloroethyl)ether 120 116.6 ug/L 97 43-126 7 40
Bis(2-ethylhexyl) phthalate 120 153.4 ug/L 128 29-137 7 40
Butyl benzyl phthalate 120 170.8 *+ug/L 142 10-140 8 40
Eurofins Pensacola
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QC Sample Results
Job ID: 400-231466-1Client: Terraquest Environmental Consultants, PC
Project/Site: 201 W. Market Center Dr. High Point NC
Method: 625.1 - Semivolatile Organic Compounds (GC/MS) (Continued)
Client Sample ID: Lab Control Sample DupLab Sample ID: LCSD 400-608298/3-A
Matrix: Water Prep Type: Total/NA
Analysis Batch: 608932 Prep Batch: 608298
Chrysene 120 157.6 ug/L 131 44-140 6 40
Analyte
LCSD LCSD
DUnitResultQualifier %Rec
Spike
Added
%Rec
Limits LimitRPD
RPD
Dibenz(a,h)anthracene 120 122.9 ug/L 102 10-200 13 40
Dibenzofuran 120 144.7 ug/L 121 59-130 8 40
Diethyl phthalate 120 147.7 *+ug/L 123 10-120 7 40
Dimethyl phthalate 120 141.3 ug/L 118 10-120 8 40
Di-n-butyl phthalate 120 150.5 *+ug/L 125 10-120 3 40
Di-n-octyl phthalate 120 150.9 ug/L 126 19-132 9 40
Fluoranthene 120 142.2 ug/L 119 43-121 4 40
Fluorene 120 152.4 *+ug/L 127 70-120 9 38
Hexachlorobenzene 120 149.6 ug/L 125 10-142 8 40
Hexachlorobutadiene 120 101.8 ug/L 85 38-120 5 40
Hexachlorocyclopentadiene 120 109.7 ug/L 91 10-130 19 40
Hexachloroethane 120 105.8 ug/L 88 55-120 9 40
Indeno[1,2,3-cd]pyrene 120 118.9 ug/L 99 10-151 12 40
Isophorone 120 125.6 ug/L 105 47-180 7 40
Nitrobenzene 120 122.7 ug/L 102 54-158 7 40
N-Nitrosodi-n-propylamine 120 131.2 ug/L 109 14-198 6 40
N-Nitrosodiphenylamine 119 128.2 ug/L 108 57-130 9 40
Pentachlorophenol 240 323.8 ug/L 135 38-152 10 40
Phenanthrene 120 138.0 ug/L 115 65-120 6 39
Phenol 120 111.3 ug/L 93 17-120 8 40
Pyrene 120 163.4 *+ug/L 136 70-120 12 40
2,4,6-Tribromophenol 15 -135
Surrogate
122
LCSD LCSD
Qualifier Limits%Recovery
1002-Fluorobiphenyl 32 -109
992-Fluorophenol 10 -104
105Nitrobenzene-d5 31 -111
87Phenol-d5 10 -110
129Terphenyl-d14 30 -129
Eurofins Pensacola
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Lab Chronicle
Client: Terraquest Environmental Consultants, PC Job ID: 400-231466-1
Project/Site: 201 W. Market Center Dr. High Point NC
Client Sample ID: GW1 Lab Sample ID: 400-231466-1
Matrix: WaterDate Collected: 01/06/23 12:35
Date Received: 01/10/23 09:43
Analysis SM6200-B WPD01/14/23 08:351 EET PEN608467
Type
Batch
Method
Batch
Prep Type LabAnalystRun
Prepared
or Analyzed
Initial
Amount Amount
Final Batch
NumberFactor
Dil
Total/NA 5 mL 5 mL
Prep 625 608298 01/13/23 08:42 BKL EET PENTotal/NA 234 mL 1 mL
Analysis 625.1 1 608380 01/13/23 23:14 S1B EET PENTotal/NA 0.4 mL 0.4 mL
Prep 625 608298 01/13/23 08:42 BKL EET PENTotal/NA 234 mL 1 mL
Analysis 625.1 1 608935 01/18/23 15:35 S1B EET PENTotal/NA 0.4 mL 0.4 mL
Client Sample ID: Method Blank Lab Sample ID: MB 400-608298/1-A
Matrix: WaterDate Collected: N/A
Date Received: N/A
Prep 625 BKL01/13/23 08:42 EET PEN608298
Type
Batch
Method
Batch
Prep Type LabAnalystRun
Prepared
or Analyzed
Initial
Amount Amount
Final Batch
NumberFactor
Dil
Total/NA 250 mL 1 mL
Analysis 625.1 1 608380 01/13/23 21:27 S1B EET PENTotal/NA 0.4 mL 0.4 mL
Client Sample ID: Lab Control Sample Lab Sample ID: LCS 400-608298/2-A
Matrix: WaterDate Collected: N/A
Date Received: N/A
Prep 625 BKL01/13/23 08:42 EET PEN608298
Type
Batch
Method
Batch
Prep Type LabAnalystRun
Prepared
or Analyzed
Initial
Amount Amount
Final Batch
NumberFactor
Dil
Total/NA 250 mL 1 mL
Analysis 625.1 1 608932 01/18/23 13:51 VC1 EET PENTotal/NA 0.4 mL 0.4 mL
Client Sample ID: Lab Control Sample Dup Lab Sample ID: LCSD 400-608298/3-A
Matrix: WaterDate Collected: N/A
Date Received: N/A
Prep 625 BKL01/13/23 08:42 EET PEN608298
Type
Batch
Method
Batch
Prep Type LabAnalystRun
Prepared
or Analyzed
Initial
Amount Amount
Final Batch
NumberFactor
Dil
Total/NA 250 mL 1 mL
Analysis 625.1 1 608932 01/18/23 14:11 VC1 EET PENTotal/NA 0.4 mL 0.4 mL
Laboratory References:
EET PEN = Eurofins Pensacola, 3355 McLemore Drive, Pensacola, FL 32514, TEL [phone]
Eurofins Pensacola
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Method Summary
Job ID: 400-231466-1Client: Terraquest Environmental Consultants, PC
Project/Site: 201 W. Market Center Dr. High Point NC
Method Method Description LaboratoryProtocol
SMSM6200-B Volatile Organic Compounds EET PEN
40CFR136A625.1 Semivolatile Organic Compounds (GC/MS)EET PEN
SW8465030BPurge and Trap EET PEN
40CFR136A625Liquid-Liquid Extraction EET PEN
Protocol References:
40CFR136A = "Methods for Organic Chemical Analysis of Municipal Industrial Wastewater", 40CFR, Part 136, Appendix A, October 26, 1984 and
subsequent revisions.
SM = "Standard Methods For The Examination Of Water And Wastewater"
SW846 = "Test Methods For Evaluating Solid Waste, Physical/Chemical Methods", Third Edition, November 1986 And Its Updates.
Laboratory References:
EET PEN = Eurofins Pensacola, 3355 McLemore Drive, Pensacola, FL 32514, TEL [phone]
Eurofins Pensacola
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Accreditation/Certification Summary
Client: Terraquest Environmental Consultants, PC Job ID: 400-231466-1
Project/Site: 201 W. Market Center Dr. High Point NC
Laboratory: Eurofins Pensacola
Unless otherwise noted, all analytes for this laboratory were covered under each accreditation/certification below.
Authority Program Identification Number Expiration Date
North Carolina (WW/SW)State 314 12-31-23
The following analytes are included in this report, but the laboratory is not certified by the governing authority. This list may include analytes for which
the agency does not offer certification.
Analysis Method Prep Method Matrix Analyte
SM6200-B Water 2-Butanone (MEK)
SM6200-B Water 2-Hexanone
SM6200-B Water 4-Methyl-2-pentanone (MIBK)
SM6200-B Water Acetone
SM6200-B Water Vinyl acetate
Eurofins Pensacola
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Login Sample Receipt Checklist
Client: Terraquest Environmental Consultants, PC Job Number: 400-231466-1
Login Number: 231466
Question Answer Comment
Creator: Roberts, Alexis J
List Source: Eurofins Pensacola
List Number: 1
N/ARadioactivity wasn't checked or is </= background as measured by a survey
meter.
N/AThe cooler's custody seal, if present, is intact.
N/ASample custody seals, if present, are intact.
TrueThe cooler or samples do not appear to have been compromised or
tampered with.
TrueSamples were received on ice.
TrueCooler Temperature is acceptable.
TrueCooler Temperature is recorded.1.9°C IR8
TrueCOC is present.
TrueCOC is filled out in ink and legible.
TrueCOC is filled out with all pertinent information.
TrueIs the Field Sampler's name present on COC?
TrueThere are no discrepancies between the containers received and the COC.
TrueSamples are received within Holding Time (excluding tests with immediate
HTs)
TrueSample containers have legible labels.
TrueContainers are not broken or leaking.
TrueSample collection date/times are provided.
TrueAppropriate sample containers are used.
TrueSample bottles are completely filled.
N/ASample Preservation Verified.
TrueThere is sufficient vol. for all requested analyses, incl. any requested
MS/MSDs
TrueContainers requiring zero headspace have no headspace or bubble is
<6mm (1/4").
TrueMultiphasic samples are not present.
TrueSamples do not require splitting or compositing.
N/AResidual Chlorine Checked.
Eurofins Pensacola
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