RA-5020_26571_CA_MRP_20230714

ENVIRONMENTAL | CIVIL | GEOTECHNICAL

MONITORING REPORT FORMER UNION 76 GASOLINE STATION 2236 OLD US 1 HIGHWAY APEX, WAKE COUNTY, NC NCDEQ INCIDENT NO. 26571 RISK CLASSIFICATION: H0875D

JULY 14, 2023 NCDEQ CONTRACT NO. N122019D TASK AUTHORIZATION NO. 04 CATLIN PROJECT NO. 220217 PREPARED FOR: MS. LINDA BLALOCK NCDEQ, DWM, UST SECTION 1646 MAIL SERVICE CENTER RALEIGH, NC 27699-1646 PREPARED BY: CATLIN ENGINEERS AND SCIENTISTS 220 OLD DAIRY ROAD WILMINGTON, NC 28405 [phone]
CORPORATE LICENSURE NO. FOR ENGINEERING SERVICES C-0585
CORPORATE LICENSURE NO. FOR GEOLOGY SERVICES C-118

NCDEQ; 26571_Former Union 76 Gasoline Station CATLIN Engineers and Scientists
CATLIN Project No. 220217 July 2023
TABLE OF CONTENTS
PAGE
1.0 SITE INFORMATION 1
2.0 EXECUTIVE SUMMARY 2
3.0 SCOPE OF SERVICES 3
4.0 SITE HISTORY AND CHARACTERIZATION 3
4.1 UST OWNER AND OPERATOR INFORMATION 3 4.2 UST INFORMATION 4 4.3 CONTAMINANT SOURCE INVENTORY 4 4.4 SITE CHARACTERISTICS 4 4.5 OWNERS AND OCCUPANTS OF ADJOINING/NEARBY PROPERTIES AND LAND USE 4 4.6 RECEPTOR INFORMATION 5 4.7 PREVIOUS INVESTIGATIONS AND REMEDIAL ACTIVITIES 5
5.0 REGIONAL AND SITE GEOLOGY AND HYDROGEOLOGY 7
5.1 SOIL AND BEDROCK 7 5.2 HYDROGEOLOGY 8
6.0 SITE ASSESSMENT INFORMATION 8
6.1 ENHANCED AFVR EVENT 8 6.2 GAUGING DATA 9 6.3 SAMPLING DATA 9 6.4 SUMMARY OF GROUNDWATER INFORMATION 10 6.5 EVALUATION OF ASSESSMENT INFORMATION 11
7.0 CONCLUSIONS AND RECOMMENDATIONS 12
8.0 LIMITATIONS 13
9.0 STATEMENTS AND CERTIFICATIONS 13
10.0 REFERENCES 14

NCDEQ; 26571_Former Union 76 Gasoline Station CATLIN Engineers and Scientists
CATLIN Project No. 220217 July 2023
TABLES

TABLE 1 SITE HISTORY – UST SYSTEM AND OTHER RELEASE INFORMATION
TABLE 2 PUBLIC AND PRIVATE WATER SUPPLY WELLS AND OTHER RECEPTOR INFORMATION
TABLE 3 WELL CONSTRUCTION AND HISTORICAL WATER LEVEL GAUGING DATA
TABLE 4 SUMMARY OF GROUNDWATER LABORATORY RESULTS – STANDARD METHOD 6200B
TABLE 5 SUMMARY OF HISTORICAL GROUNDWATER LABORATORY RESULTS – STANDARD METHOD 6200B

FIGURES

FIGURE 1 SITE VICINITY MAP
FIGURE 2 POTENTIAL RECEPTOR MAP
FIGURE 3 SITE MAP
FIGURE 4 GROUNDWATER ELEVATION – MAY 10, 2023
FIGURE 5 MONITORING WELL GROUNDWATER SAMPLE ANALYTICAL RESULTS – MAY 10, 2023

APPENDICES

APPENDIX A HISTORICAL DATA
APPENDIX B SITE PHOTOGRAPHS
APPENDIX C JOB HAZARD ANALYSES AND FIELD DATA SHEETS
APPENDIX D ENHANCED AFVR EMISSIONS CALCULATIONS
APPENDIX E DISPOSAL DOCUMENTS
APPENDIX F LABORATORY ANALYTICAL REPORT AND CHAIN OF CUSTODY DOCUMENT

NCDEQ; 26571_Former Union 76 Gasoline Station CATLIN Engineers and Scientists
CATLIN Project No. 220217 1 July 2023
1.0 SITE INFORMATION
Site Identification
Date: 07/14/2023 Site Risk/Priority Rank: H0875D
UST Number: RA-5020 Incident Number: 26571
Site Name: Former Union 76 Gasoline Station Facility ID: Unknown
Site Location: 2236 Old US 1 Highway
Nearest City/Town: Apex County: Wake
Description of Geographical Data Point: Former UST basin
Location Method: Google Earth
Latitude (decimal degrees): 35.69887° Longitude (decimal degrees): -78.89949°
Contacts Information
UST Owner: C.C. Tunstall (Deceased)
Address: N/A Phone: N/A
UST Operator: C.C. Tunstall (Deceased)
Address: N/A Phone: N/A
Property Owner: David Powell
Address: 861 Bethlehem Church Rd., Youngsville, NC Phone: [phone]
Property Occupant: Unknown
Address: 2236 Old US 1 Highway, Apex, NC Phone: Unknown
Consultant: CATLIN Engineers and Scientists
Address: 220 Old Dairy Rd., Wilmington, NC 28405 Phone: [phone]
Corporate Licensure No. For Engineering Services: C-0585
Corporate Geology License No.: C-118
Analytical Laboratory: Con-Test Analytical Laboratory State Certification: NC 652, NC-DW 25703
Address: 39 Spruce St., E. Longmeadow, MA 01028 Phone: [phone]
Release Information
Date Discovered: 03/17/2004
Estimated Quantity of Release: Unknown
Cause of Release: Leak in the UST system
Source of Release: UST system or associated fitting(s)
Sizes and contents of UST system(s) from which the release occurred:
• One 550-gallon gasoline UST
• One 1,000-gallon gasoline UST
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2.0 EXECUTIVE SUMMARY The Former Union 76 Gasoline Station Site is located at 2236 Old US 1 Highway,
Apex, Wake County, North Carolina. This site operated as a retail gasoline fueling
station from the early 1940s until 1982 by Mr. C.C. Tunstall, and subsequently his son Edward Tunstall. The former underground storage tank (UST) system was installed in the early 1940s and consisted of one 550-gallon gasoline and one 1,000-gallon gasoline UST. The USTs were removed on March 17, 2004, and in the
removal process, soil contaminated with petroleum constituents were discovered
below one of the tanks, and later in the on-site water supply well (WSW) that supplied potable water to the store building. The former UST owner is deceased. Currently, the property is owned by David Powell and consists of a rental house and a church building.

The purpose of this report is to document the latest remediation efforts and groundwater sampling activities. On April 11, 2023, CATLIN Engineers and Scientists (CATLIN) coordinated with Eastern Environmental Management, LLC (EEM) to conduct an enhanced aggressive fluid vapor recovery (AFVR) event with
air sparging. Monitoring wells MW-1, MW-2, and MW-3R were used as extraction
points, and air sparging was performed through monitoring well DW-1. The event lasted eight hours and resulted in the recovery of 517 gallons of impacted groundwater and a calculated 1.34 pounds of petroleum vapors (equivalent to 0.21 gallons of petroleum) were removed.

CATLIN returned to the site on May 10, 2023, to conduct gauging and sampling activities. CATLIN personnel gauged all accessible wells for depth to water. Depth to water in the shallow (Type II) wells was an average of 14.5 feet below top of casing (BTOC). Depth to water in the deep (Type III) well (DW-1) was 15.59 feet BTOC.
Samples were collected from eight monitoring wells (MW-1, MW-2, MW-3R, MW-4R,
MW-5, MW-6, MW-7, and DW-1) and submitted for volatile organic compounds (VOCs) analysis per Standard Method (SM) 6200B [plus ethylene dibromide (EDB), methyl tert-butyl ether (MTBE), and diisopropyl ether (DIPE)].
Laboratory results did not indicate any dissolved petroleum constituents above their
respective laboratory method detection limits in the samples from monitoring wells MW-5, MW-6, and MW-7. One or more VOCs were detected in the MW-1, MW-2, MW-3R, MW-4R, and DW-1 samples at concentrations greater than those established in Title 15A of the North Carolina Administrative Code, Subchapter 2L,
Section .0202 Groundwater Quality Standards (2L GWQS), but below the Gross
Contaminant Levels (GCLs). Contaminant concentrations appear to have generally decreased in samples from monitoring wells MW-2, MW-3R, and DW-1 since the previous sampling event in
March 2023, while those in MW-1 and MW-4R have increased.

NCDEQ; 26571_Former Union 76 Gasoline Station CATLIN Engineers and Scientists
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As detailed in the previous monitoring report, the subject site and surrounding properties are likely to be sold and developed. During development activities, water supply wells WSW-1, WSW-2, WSW-4, WSW-10 WSW-12 and WSW-13 would be
abandoned. In addition, there is the potential for redevelopment (by a different firm)
across Old US 1 Highway, which would result in the abandonment of the majority of water supply wells within 1,000 feet of the subject site. The proposed redevelopment in the area may allow for a risk reduction for the subject site and another site located across Old US 1 Highway (McNeil’s Grocery Site - Incident Number 6891) from high
risk to low risk classification.
Based on the current laboratory data and the potential sale and redevelopment of the property, CATLIN recommends the following:
• Collect one additional sample from MW-3R and abandon all on-site
monitoring wells immediately before the start of site development. 3.0 SCOPE OF SERVICES
The scope of services for this report was performed in general accordance with
CATLIN proposal number 220217.04P, dated March 24, 2023. Services were authorized by the North Carolina Environmental Quality (NCDEQ) Task Authorization (TA) #04, accepted March 24, 2023, and Contract Number N122019D.
The approved scope of services for this Task Authorization included:
• Coordinate and oversee an enhanced AFVR event;
• Approximately 30 days after the event, collect samples from eight monitoring
wells (MW-1, MW-2, MW-3R, MW-4R, MW-5, MW-6, MW-7, and DW-1);
• Analyze 10 water samples (eight monitoring wells, one equipment blank, and one laboratory-provided trip blank) per SM 6200B (plus EDB, MTBE, and DIPE); and
• Prepare and submit a monitoring report summarizing the findings. The scope of services was conducted in general accordance with the approved TA. 4.0 SITE HISTORY AND CHARACTERIZATION The Former Union 76 Gasoline Station site is located at 2236 Old US 1 Highway, Apex, Wake County, North Carolina (Figures 1, 2, and 3). Summarized available
historical sampling and gauging data from previous consultants are provided in
Appendix A. Site photographs are presented in Appendix B. 4.1 UST OWNER AND OPERATOR INFORMATION
According to previous reports, the USTs were owned and operated by C.
Tunstall (now deceased). C. Tunstall, and subsequently his son Ed Tunstall, operated the site beginning in the early 1940s until 1993. However, the UST
NCDEQ; 26571_Former Union 76 Gasoline Station CATLIN Engineers and Scientists
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system was not in operation after 1982. In 1993, the property was sold to David Powell who currently owns the site.
Available information regarding UST owners/operators is presented on
Table 1. 4.2 UST INFORMATION
The former UST system reportedly consisted of dispensing pumps, one 550-
gallon gasoline UST, and one 1,000-gallon gasoline UST. The USTs and pumps were removed from the site on March 17, 2004. The 1,000-gallon UST was in fair condition, showing minor signs of corrosion. However, the 550-gallon tank was reported to be in poor condition and was structurally
weak and corroded.
Available UST system information is presented in Table 1 and the approximate former UST system locations are illustrated on Figure 3.
4.3 CONTAMINANT SOURCE INVENTORY
On March 17, 2004, six soil samples were collected from beneath the former tanks and pump island during UST removal activities. The laboratory analytical results indicated that concentrations of total petroleum
hydrocarbons (TPH) gasoline range organics (GRO) were detected above
State Action Levels (S&ME, 2020). The volume of product released from the associated USTs is unknown. 4.4 SITE CHARACTERISTICS
The site is currently owned by Mr. David Powell. The site consists of two buildings: the former Union 76 building (currently being used as Evolution Empowerment Ministry) and an occupied residential home to the northeast of the building. The site has gravel driveways and parking along Old US 1
Highway, grassy space behind the buildings, and the northern and eastern borders of the property are heavily vegetated. There is a pond located on the property northeast of the release. The locations of the pump island and former UST basin are illustrated on
Figure 3. 4.5 OWNERS AND OCCUPANTS OF ADJOINING/NEARBY PROPERTIES AND LAND USE
The adjoining properties to the site are a combination of private residences, agricultural fields, commercial business, and undeveloped land. Residences are located to the northwest and east. The McNeil’s Grocery site (UST
NCDEQ; 26571_Former Union 76 Gasoline Station CATLIN Engineers and Scientists
CATLIN Project No. 220217 5 July 2023
Incident No. 6891) is located to the south across Old US 1 Highway and currently houses two businesses.
4.6 RECEPTOR INFORMATION
Conducting a receptor survey was outside the scope of this monitoring event. A review of historical files available on the NCDEQ Waste Management Online Database (aka Laserfiche) indicates that the last receptor survey
update for the Former Union 76 Gasoline Station site was conducted in 2020
by S&ME, Inc. (S&ME). S&ME identified six potable and three inactive water supply wells within 500 feet of the site. Five additional potable water supply wells were identified
between 500 and 1,000 feet of the site. S&ME indicated municipal water is
available to the properties within 500 feet of the source; however, municipal water is not available between 500 and 1,000 feet from the site. Two ponds are located within 1,000 feet of the site. The closest pond is
located on-site approximately 150 northeast of the former USTs.
Potential receptors are illustrated on Figure 2 and receptor information obtained from S&ME (2020) is shown on Table 2.
4.7 PREVIOUS INVESTIGATIONS AND REMEDIAL ACTIVITIES
Two USTs were removed from the site on March 17, 2004. During the removal, 5.7 cubic yards of contaminated soil was removed from the excavation and six soil samples were collected from beneath the former UST
locations and pump island. Analytical results of the soil samples revealed
concentrations of TPH GRO above the State Action Levels. In July 2004, Withers and Ravenel (W&R) installed one monitoring well (MW-1) and collected nine additional soil samples in the vicinity of the former
tank basin. Soil analytical results revealed petroleum constituents above soil-to-groundwater (STGW) maximum soil contaminant concentrations (MSCCs) and/or the Residential MSCCs in all soil samples collected. The groundwater sample collected from MW-1 contained several contaminant concentrations above the 2L GWQS. 1,2-Dibromoethane and 1,2-DCA concentrations were
above their respective GCLs. W&R also collected samples from the two on-site water supply wells identified during their investigation. Laboratory analytical results from the water supply well that supplies potable water to the building revealed benzene and ethylene dichloride concentrations above the 2L GWQS. W&R summarized their findings in a Limited Site Assessment
Report, dated August 18, 2004.
NCDEQ; 26571_Former Union 76 Gasoline Station CATLIN Engineers and Scientists
CATLIN Project No. 220217 6 July 2023
Monitoring wells MW-2, MW-3, MW-4, and DW-1 were installed between 2004 and 2005. In 2013, MW-1, MW-2, MW-3, DW-1, and on-site water supply well WSW-9 were sampled. All four monitoring wells were found to
have 2L GWQS exceedances and WSW-9 was found to have no detectable
compounds. On April 25, 2019, it was discovered that MW-3 and MW-4 were damaged, likely due to road widening activities. On June 5, 2020, S&ME abandoned MW-3 and MW-4 and installed replacement wells MW-3R and MW-4R.

Periodic groundwater monitoring events were conducted at the site between 2004 and 2020. Analytical results of the groundwater samples indicated the persistence of several petroleum constituents above the 2L GWQS. Light non-aqueous phase liquids (LNAPL; aka free-phase product) were measured
in monitoring well MW-4 in June 2010 (approximately 0.5 inches thick);
however, it has not been measured since that time. CATLIN conducted a groundwater monitoring event in February 2021. Multiple petroleum constituents were detected in the samples collected from
MW-1, MW-2, MW-3R, MW-4R, and DW-1 at concentrations above 2L
GWQS; however, none were above their respective GCL (CATLIN, 2021). In May 2022, CATLIN installed three Type II monitoring wells (MW-5, MW-6, and MW-7) to 20 feet below land surface (BLS). One soil sample was
collected from each boring and analyzed for VOCs and semi-VOCs per
Environmental Protection Agency (EPA) Methods 8260D & 8270E, and volatile petroleum hydrocarbons (VPH) and extractable petroleum hydrocarbons (EPH) per Massachusetts Department of Environmental Protection (MADEP) methods. No EPA 8260D or EPA 8270E analytes were
above the laboratory method detection limits. Estimated concentrations (“J”-
value) of VPH C9-C10 aromatics were detected in the samples from MW-5 and MW-6 (obtained from approximately 10 to 12 feet BLS), but they were well below the lowest MSCC (CATLIN, 2022).
CATLIN returned in June and July 2022 to sample all eight accessible
monitoring wells as well as water supply wells WSW-1, WSW-4, and WSW-10. Multiple petroleum constituents persisted at concentrations above 2L GWQS in the samples from MW-1, MW-2, MW-3R, MW-4R, and DW-1. In addition, EDB was reported above its GCL in the MW-3R sample. No
targeted analytes were detected in the WSW-4 sample. A low concentration
of MTBE was reported in the WSW-10 sample but was below the 2L GWQS. In the WSW-1 sample, 1,2-DCA was above its 2L GWQS (but below GCL) and an estimated concentration (“J”-value) of benzene was detected but was below 2L GWQS (CATLIN, 2022).

Slug tests were performed on monitoring wells MW-1 and MW-4R during the June 2022 event. The analyses resulted in hydraulic conductivities of
NCDEQ; 26571_Former Union 76 Gasoline Station CATLIN Engineers and Scientists
CATLIN Project No. 220217 7 July 2023
0.00005366 centimeter per second (cm/sec) and 0.00008826 cm/sec at MW-1 and MW-4R, respectively, and an average groundwater velocity of 14.4 feet per year across the site. Groundwater modeling determined that
non-compliant benzene concentrations would migrate approximately 240 feet
downgradient, potentially impacting the on-site water supply well (WSW-1) located 200 feet northeast from the source area (CATLIN, 2022). CATLIN coordinated an enhanced AFVR event in February 2023. The event
lasted for a duration of eight hours utilizing monitoring wells MW-1, MW-2,
MW-3R, and MW-4R as extraction points, and air sparging was performed through monitoring well DW-1. A total of 525 gallons of impacted groundwater were recovered and a calculated 7.29 pounds of petroleum vapors (equivalent to 1.17 gallons of petroleum) were emitted (CATLIN,
2023).
In March 2023, CATLIN sampled eight monitoring wells (MW-1, MW-2, MW-3R, MW-4R, MW-5, MW-6, MW-7, and DW-1) and three water supply wells (WSW-1, WSW-4, and WSW-10). One or more VOCs were reported above
their 2L GWQS in the MW-1, MW-2, MW-3R, MW-4R, and DW-1 samples;
however, all were below GCL. The petroleum constituent concentrations had generally decreased in monitoring well samples since the June 2022 sampling event. No targeted analytes were above the method detection limit in the WSW-4 sample. A low concentration (below 2L GWQS) of MTBE was
detected in the WSW-10 sample. 1,2-DCA was above its 2L GWQS in the
WSW-1 sample, although the concentration had decreased since June 2022 (CATLIN, 2023). A summary of historical data from reports prepared by other consultants is
included in Appendix A.
5.0 REGIONAL AND SITE GEOLOGY AND HYDROGEOLOGY 5.1 SOIL AND BEDROCK

As defined in the Geologic Map of North Carolina, published by the North Carolina Department of Natural Resources and Community Development (1985), the site lies within the Piedmont physiographic province. The site is underlain by the Triassic Basins, and consists of conglomerate,
fanglomerate, sandstone, and mudstone (Rhodes et al., 1985). Based on the well construction records from CATLIN (2022), the site is immediately underlain (up to approximately 5 feet BLS) by light to dark brown clay (with traces of sand). From a depth of 5 to 20 feet BLS (boring
termination), light brown to dark brown silty clay with some clayey silt lenses were encountered.
NCDEQ; 26571_Former Union 76 Gasoline Station CATLIN Engineers and Scientists
CATLIN Project No. 220217 8 July 2023
5.2 HYDROGEOLOGY Groundwater - The 2020 Visual Hydrogeologic Framework (VHF) – North
Carolina Hydrogeological Database did not identify sufficient boreholes near
the site to draw a cross-section. CATLIN performed slug tests on monitoring wells MW-1 and MW-4R in June 2022. The analyses resulted in hydraulic conductivities of 0.00005366
cm/sec and 0.00008826 cm/sec at MW-1 and MW-4R, respectively, and an
average groundwater velocity of 14.4 feet per year across the site (CATLIN, 2022). Surface Water – Two ponds are located within 1,000 feet of the site. The
closest pond is located on-site approximately 150 northeast of the former
USTs. 6.0 SITE ASSESSMENT INFORMATION
CATLIN conducted field activities in general accordance with the approved TA and
pre-prepared Health and Safety Plan (HASP). Upon arrival at the site, potential hazards were evaluated before beginning field work and are documented on electronic Job Hazard Analysis (JHA) forms. The JHA forms are included in Appendix C. Photographs from the site visits are included in Appendix B.
6.1 ENHANCED AFVR EVENT On April 11, 2023, CATLIN mobilized to the site to supervise an enhanced AFVR event conducted by EEM. The event was conducted for a duration of
eight hours utilizing monitoring wells MW-1, MW-2, and MW-3R as extraction
points, and air sparging was performed through DW-1. Prior to the event, CATLIN personnel gauged the shallow wells MW-1, MW-2, and MW-3R at an average of approximately 16.5 feet BTOC. LNAPL was not measured in any of the monitoring wells.
The April 2023 enhanced AFVR event resulted in the removal of 517 gallons of impacted groundwater from the subsurface. A calculated 1.34 pounds of petroleum vapors were recovered (and released), equivalent to approximately 0.21 gallons of petroleum.
Gauging results are included in Table 3. The AFVR field data sheets and emissions calculations are provided in Appendix D. The waste manifest is provided in Appendix E.
NCDEQ; 26571_Former Union 76 Gasoline Station CATLIN Engineers and Scientists
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6.2 GAUGING DATA Historically, depth to water has ranged from 9.43 feet BTOC (MW-4) to 19.02
feet BTOC (MW-2). LNAPL was measured in monitoring well MW-4 (0.5
inches thick) in 2010 but has not been measured since. Groundwater flow direction has been previously illustrated towards the north and east (S&ME, 2020; CATLIN, 2023).
During the May 2023 event, CATLIN personnel measured depth to water in
eight monitoring wells using an electronic water interface probe. To prevent cross contamination, the probe and cabling were decontaminated according to manufacturer’s instructions and rinsed with distilled water between use in each well. Gauging data were recorded on an electronic groundwater
sampling form using a tablet device. Gauging procedures were performed in
general accordance with NCDEQ Guidelines and EPA Region 4 Operating Procedures. Depth to water in the shallow (Type II) wells ranged from 12.29 feet BTOC
(MW-6) to 15.44 feet BTOC (MW-2). Depth to water in the deep (Type III)
well (DW-1) was 15.59 feet BTOC. Groundwater flow direction at the site was calculated to have both east and north-northeast components. Gauging results for events conducted by CATLIN are presented in Table 3
and the groundwater sampling forms are provided in Appendix C. Groundwater elevations and groundwater contours are shown on Figure 4. 6.3 SAMPLING DATA
Following gauging, the monitoring wells were sampled in general accordance with NCDEQ Guidelines and U.S. EPA Region 4 Operating Procedures. Prior to obtaining representative groundwater samples, each well was purged by removing a minimum of three well volumes using a new, disposable bailer. Groundwater field parameter data were measured at one-minute intervals
using an In-Situ Aqua TROLL 600 Multiparameter Sonde (Aqua TROLL). The Aqua TROLL measured specific conductivity, pH, oxidation-reduction potential (ORP), dissolved oxygen, and temperature, which were recorded utilizing the VuSitu mobile application (version 1.17.12). Groundwater parameter data were transferred from the VuSitu mobile application to the
electronic groundwater sampling forms. Copies of the groundwater sampling forms are available in Appendix C. After the well was purged a minimum of three well volumes (or the well was purged dry), a groundwater sample was collected from each well from the
disposable bailer and poured directly into appropriate, pre-preserved, laboratory provided glassware, labeled, and placed on ice in an insulated cooler.
NCDEQ; 26571_Former Union 76 Gasoline Station CATLIN Engineers and Scientists
CATLIN Project No. 220217 10 July 2023
To verify that sampling equipment was decontaminated sufficiently between wells, an equipment rinsate blank sample was collected from the electronic
probe. Clean distilled water was allowed to cascade down the electronic
probe and into appropriate laboratory-provided, pre-preserved glassware. The glassware was labeled and placed on ice in an insulated cooler. A laboratory-provided trip blank was maintained in the cooler for the duration of the event.

The groundwater samples, equipment rinsate blank, and laboratory-provided trip blank were submitted to Con-Test Analytical Laboratory (Certification NC 652 and NC-DW 25703) in East Longmeadow, Massachusetts, under proper chain of custody (COC) protocol for analysis per SM 6200B (including EDB,
MTBE, and DIPE). The laboratory analytical data and COC are included in
Appendix F. 6.4 SUMMARY OF GROUNDWATER INFORMATION
Historically, all monitoring wells on-site have been impacted by petroleum
contaminants. LNAPL was previously measured in monitoring well MW-4 in June 2010; however, it has not been measured since that time. During past events, GCL exceedances of benzene, 1,2-DCA, and/or 1,2-dibromoethane have been detected in MW-1, MW-2, MW-3, and MW-4. Historical
information from previous consultants is included in Appendix A.
The latest groundwater sampling laboratory results for SM 6200B analysis are summarized in Table 4. Historical results for events conducted by CATLIN are in Table 5. Monitoring well sample analytical results are
summarized on Figure 5. A copy of the complete laboratory report and COC
documentation are in Appendix F. Monitoring Wells
During the May 2023 monitoring event, eight monitoring well groundwater
samples (MW-1, MW-2, MW-3R, MW-4R, MW-5, MW-6, MW-7, and DW-1) were collected and submitted for analysis via SM 6200B (including EDB, MTBE, and DIPE). Laboratory analysis did not detect any constituents above their respective laboratory reporting limits in the samples from MW-5, MW-6,
and MW-7. No analyte concentrations were detected above GCL. Analytical
results indicated the following constituents at concentrations above their 2L GWQS in samples MW-1, MW-2, MW-3R, MW-4R, and DW-1:
• MW-1: benzene, naphthalene, toluene, and total xylenes;
• MW-2: 1,2-DCA;
• MW-3R: benzene, EDB, 1,2-dichloroethane, and naphthalene;
NCDEQ; 26571_Former Union 76 Gasoline Station CATLIN Engineers and Scientists
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• MW-4R: benzene, ethylbenzene, isopropylbenzene, naphthalene, n-propylbenzene, toluene, 1,2,4-trimethylbenzene, 1,3,5-
trimethylbenzene, and total xylenes; and
• DW-1: 1,2-DCA. Equipment Rinsate Blank and Trip Blank
One equipment rinsate blank and one laboratory-provided trip blank were submitted for analysis per SM 6200B (including EDB, MTBE, and DIPE). Estimated concentrations (“J”-value) of acetone (a common laboratory artifact) were detected in the trip blank and equipment rinsate blank;
however, they were well below 2L GWQS. No other targeted analytes were detected. 6.5 EVALUATION OF ASSESSMENT INFORMATION
Extent of contamination Groundwater samples from all monitoring wells MW-1, MW-2, MW-3R, MW-4R, and DW-1 contained concentrations of several constituents above their respective 2L GWQS; however, none were above GCL. The overall
estimated extent of groundwater contamination is shown on Figure 5. The groundwater plume is not delineated to the north or south, nor is it vertically delineated below 40 feet. The highest dissolved phase concentration benzene, toluene, ethylbenzene,
and total xylenes (BTEX) compounds has historically been reported in samples from MW-3R. The BTEX concentrations in samples obtained from MW-2, MW-3R, and DW-1 have generally decreased since the March 2023 monitoring event. However, the concentrations in samples from MW-1 and MW-4R have increased.

Cleanup levels achieved
Soil – According to a 2004 LSA report prepared by W&R, contaminated soils are present in the vicinity of the former UST basin. Contaminant concentrations were detected above STGW and/or Residential MSCCs from
approximately 3 to 20 feet below land surface (W&R, 2004). However, no contamination was present in the soil samples obtained in 2022 (CATLIN, 2022).
Groundwater – Groundwater contaminant concentrations are above 2L GWQS in multiple monitoring well samples. As of March 2023, 1,2-DCA was
above its 2L GWQS in water supply well WSW-1.
LNAPL – LNAPL was not measured during this monitoring event. LNAPL has not been observed at this site since 2010.
NCDEQ; 26571_Former Union 76 Gasoline Station CATLIN Engineers and Scientists
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7.0 CONCLUSIONS AND RECOMMENDATIONS Conclusions

Groundwater findings from the remediation and monitoring activities are summarized below:
• An enhanced AFVR event was conducted utilizing MW-1, MW-2, and MW-3R
as extraction points and air sparging through DW-1. Approximately 517
gallons of impacted groundwater were removed. A calculated 1.34 pounds of petroleum vapors were collected (and released), equivalent to 0.21 gallons of petroleum.
• The groundwater gauging data indicates an apparent groundwater flow components towards both the east and north-northeast.
• Monitoring well laboratory results revealed multiple petroleum constituents above their respective 2L GWQS in the samples collected from MW-1,
MW-2, MW-3R, MW-4R, and DW-1.
• The BTEX concentrations in MW-2, MW-3R, and DW-1 have generally decreased since the previous monitoring event in March 2023. However, the concentrations in MW-1 and MW-4R have increased.
• The groundwater plume is currently not horizontally delineated in any direction, nor is it vertically delineated below 40 feet. As detailed in the previous monitoring report, the subject site and surrounding
properties are likely to be sold and developed. During development activities, water supply wells WSW-1, WSW-2, WSW-4, WSW-10 WSW-12 and WSW-13 would be abandoned. In addition, there is the potential for redevelopment (by a different firm) across Old US 1 Highway, which would result in the abandonment of the majority of water supply wells within 1,000 feet of the subject site. The proposed redevelopment
in the area may allow for a risk reduction for the subject site and another site located across Old US 1 Highway (McNeil’s Grocery Site - Incident Number 6891) from high risk to low risk classification. Recommendations
Based on the current laboratory data and the potential sale and redevelopment of the property, CATLIN recommends the following:
• Collect one additional sample from MW-3R and abandon all on-site
monitoring wells immediately before the start of site development.

NCDEQ; 26571_Former Union 76 Gasoline Station CATLIN Engineers and Scientists
CATLIN Project No. 220217 13 July 2023
8.0 LIMITATIONS

The groundwater samples analyzed as part of this investigation only provide isolated
data points and may not represent conditions at every location in the project area.
Analyses and conclusions of this report, being based on interpolation between data
points at the project area, may not be completely representative of all site
conditions. Conclusions and recommendations of this investigation and report are
based on the best available data in an effort to comply with current regulatory
requirements.

9.0 STATEMENTS AND CERTIFICATIONS

1 Enter the date the monitoring report was due. July 14, 2023
Will this report be submitted after the established due date?
NO
2 Was any required information from the above template missing from this report?

YES
No cross sections are provided. Adequate subsurface information is not available.
3 If applicable, will any of the proposed attenuation milestones under the schedule
approved in the Corrective Action Plan not be met?
NA
No CAP has been submitted for this site.
4 Does any known or suspected source zone soil contamination or free product
remain outside of the assessed area that could be inhibiting natural attenuation?
NO

5 Has there been an unexpected increase in contaminant mass sufficient to suggest a potential new release from a separate onsite or offsite source?

NO
6 Certification:
I, Sean J. O’Neil, a Licensed Engineer for CATLIN Engineers and Scientists, do certify that the
information contained in this report is correct and accurate to the best of my knowledge.

CATLIN Engineers and Scientists is licensed to practice engineering in North Carolina. The
certification number of the company or corporation is C-0585.

NCDEQ; 26571_Former Union 76 Gasoline Station CATLIN Engineers and Scientists
CATLIN Project No. 220217 14 July 2023
10.0 REFERENCES CATLIN Engineers & Scientists, Monitoring Report, Former Union 76 Gasoline
Station, 2236 Old US 1 Highway, Apex, Wake County, North Carolina,
NCDEQ Incident No. 26571, Risk Classification: H0875D, March 5, 2021.
CATLIN Engineers & Scientists, Monitoring Report, Former Union 76 Gasoline
Station, 2236 Old US 1 Highway, Apex, Wake County, North Carolina, NCDEQ Incident No. 26571, Risk Classification: H0875D, August 19, 2022.
CATLIN Engineers & Scientists, Monitoring Report, Former Union 76 Gasoline
Station, 2236 Old US 1 Highway, Apex, Wake County, North Carolina,
NCDEQ Incident No. 26571, Risk Classification: H0875D, March 27, 2023.
Crawford Environmental Services, Monitoring Letter/Report, Union 76 Gas Station, Incident No. 26571, Apex, Wake County, North Carolina, Contract Number:
4351-4F, August 23, 2013.
NCDEQ, UST Section, North Carolina Department of Environment Quality, Division of Waste Management, Guidelines for Site Checks, Tank Closure, and Initial
Response and Abatement for Petroleum and Hazardous Substance UST Releases, Petroleum Non-UST Releases, January 19, 2021.
NCDEQ, UST Section, North Carolina Department of Environmental Quality, Division of Waste Management, Guidelines for Sampling, UST Section, North Carolina Department of Environment and Natural Resources, December 1, 2013.
NCDEQ, UST Section, North Carolina Department of Environmental Quality,
Division of Waste Management, UST Section Assessment Guidelines,
Petroleum and Hazardous Substance UST Releases, Petroleum Non-UST
Releases, January 19, 2021
NCDEQ, UST Section, North Carolina Department of Environmental Quality, Division of Waste Management, UST Section Corrective Action Guidelines,
Petroleum and Hazardous Substance UST Releases, Petroleum Non-UST
Releases, January 19, 2021.
Rhodes, Thomas S., and Conrad, Stephen G., 1985, Geologic Map of North Carolina: Department of Natural Resources and Community Development, Division of Land Resources, and the NC Geological Survey, compiled by
Brown, Philip M., et al, and Parker, John M. III, and in association with the State Geologic Map Advisory Committee, scale 1:500,000.
S&ME, Inc., Groundwater Monitoring Report, Former Union 76, Incident No. 26571, Apex, Wake County, North Carolina, S&ME Project #4305-19-052, June 25, 2019.
S&ME, Inc., Monitor Well Installation and Groundwater Monitoring Report, Former Union 76, TF-26571, RA-5020, 2236 Old US Highway 1, Apex, Wake County, NC, S&ME Project No. 4305-19-052A, July 1, 2020.
NCDEQ; 26571_Former Union 76 Gasoline Station CATLIN Engineers and Scientists
CATLIN Project No. 220217 15 July 2023
U.S. EPA, Region 4, U.S. Environmental Protection Agency, Science and Ecosystem Support Division, Athens Georgia, Operating Procedure – Field Equipment Cleaning and Decontamination at the FEC, Striggow, B., U.S.
EPA Report No. SESDPROC-206-R3, Effective Date December 18, 2015.
U.S. EPA, Region 4, U.S. Environmental Protection Agency, Science and Ecosystem Support Division, Athens Georgia, Operating Procedure –
Groundwater Level and Well Depth Measurement, Striggow, B., U.S. EPA Report No. SESDPROC-105-R3, Effective Date November 3, 2016.
U.S. EPA, Region 4, U.S. Environmental Protection Agency, Science and
Ecosystem Support Division, Athens Georgia, Operating Procedure –
Groundwater Sampling, Striggow, B., U.S. EPA Report No. SESDPROC-301-R4, Effective Date April 26, 2017.
U.S. EPA, Region 4, U.S. Environmental Protection Agency, Science and
Ecosystem Support Division, Athens Georgia, Operating Procedure – In Situ
Water Quality Monitoring, Chief, Field Services Branch, U.S. EPA Report No. SESDPROC-111-R4, Effective Date March 14, 2018.
Withers & Ravenel, Underground Storage Tank Closure Report, Union 76 Gasoline Station, Incident No. 26571, Apex, Wake County, North Carolina, W&R Job
NO. 204086.0, April 12, 2004.
Withers & Ravenel, Phase 1 Limited Site Assessment, Former Union 76 Gasoline
Station, Incident No. 26571, Apex, Wake County, North Carolina, W&R Job
NO. 204086.0, August 18, 2004.

NCDEQ; 26571_Former Union 76 Gasoline Station CATLIN Engineers and Scientists
CATLIN Project No. 220217 July 2023

TABLES
Page 1 of 1
TABLE 1
SITE HISTORY — UST SYSTEM AND OTHER RELEASE INFORMATION
Incident Name and No.: Former Union 76 Gas Station - 26571
UST ID
Number
Name of
Owner/
Operator
Last
Contents
Previous
Contents
Capacity
(gal)
Construction
Details
Tank
Dimensions
(feet)
Installation
Date
Date
Removed
(mm/dd/yy)
T1 Gasoline Unknown 550 Unknown 3.5 x 7.5 Unknown 03/17/04
T2 Gasoline Unknown 1,000 Unknown 4.2 x 10 Unknown 03/17/04
Incident
Number
Material
Released
Date Release
Discovered
(mm/dd/yy)
26571 Gasoline 03/17/04
Information obtained from W&R (2004).
gal = gallons
Description of the Release
TPH discovered in soils during UST excavation on March 17, 2004.
C.C. Tunstall
(Decased), Ed
& Ruth Tunstall
Dates of Ownership/
Operation
Early 1940s to 1982
NCDEQ; 26571_Former Union 76 Gas Station; T1_Site History
CATLIN Project No. 220217
CATLIN Engineers and Scientists
July 2023
Page 1 of 2
TABLE 2
PUBLIC AND PRIVATE WATER SUPPLY WELLS WITH OTHER RECEPTOR INFORMATION
Incident Name and No.: Former Union 76 Gas Station - 26571
Well ID Property
Address
Parcel
Identification
Number (PID)
Owner Name Owner Mailing
Address Well Use
Distance /
Direction
from Source
Area (feet)
Comment
WSW-1 Active 200 / NW
WSW-2 Inactive 150 / N Hand-dug well formerly labeled as
WSW-HD.
WSW-3
2237 Old US
Highway 1, Apex,
NC
0720999210 Miller Land Group LLC
(Vicious Fishes Brewery)
1922 Napoli Drive,
Apex, NC Inactive 250 / SE
Well is inactive - site is connected
with municipal water - located at
McNeil's Grocery Site - TF-6891
WSW-4 7528 Humie Olive
Road, Apex, NC 720992587 Shelba Clem &
Diane Williams
3007 Buckingham
Way,
Apex, NC
Active 400 / NW
WSW-5 500 / SE
WSW-6 520 / SE
WSW-7 3113 Holland
Road, Apex, NC 0730097826 Walter McClamb PO Box 243,
Apex, NC Active 950 / NE
WSW-8 7629 Vaudry
Court, Apex, NC 0720988751 Active 500 / SW
WSW-9
2309 Old US
Highway 1, Apex,
NC
0720985958 Active 400 / SW
WSW-10
1001 Red
Cardinal Lane,
Apex, NC
0730091779 Johnny & Carolyn
Pendergraft
2212 Old US 1
Highway South,
Apex, NC
Active 480 / NE
Downtown Friendship
LLC
2301 Old US 1
Highway,
Apex, NC
Unknown
During a telephone conversation,
owner was unable to successfully
describe which well was the active
one. To be conservative, WSW-5
was designated as active.
0730093122
2217 Old US 1
Highway, Apex,
NC
David Ray Powell
861 Bethlemhem
Church Road,
Youngsville, NC
2236 Old US
Highway 1, Apex,
NC
0720998487
Joyce Kelly 2217 Old US 1
Highway, Apex, NC
NCDEQ; 26571_Former Union 76 Gas Station; T2_Receptor & WSW Info
CATLIN Project No. 220217
CATLIN Engineers and Scientists
July 2023
Page 2 of 2
TABLE 2
PUBLIC AND PRIVATE WATER SUPPLY WELLS WITH OTHER RECEPTOR INFORMATION
Incident Name and No.: Former Union 76 Gas Station - 26571
Well ID Property
Address
Parcel
Identification
Number (PID)
Owner Name Owner Mailing
Address Well Use
Distance /
Direction
from Source
Area (feet)
Comment

WSW-12
1005 Red
Cardnial Lane,
Apex, NC
0731001087
Joanne Pendergraft
Hearn Heirs,
Bonnie Wood
1115 Dycus Road,
Sanford, NC Active 900 / NE
WSW-13 3116 Holland
Road, Apex, NC 0730095707 Frances Bullock ETAL &
Pamela Purefoy
3116 Holland Road,
Apex, NC Active 1,100 / NE
WSW-15 3000 Friendship
Road, Apex, NC 0730096271 Downtown Friendship
LLC
2301 Old US 1
Highway,
Apex, NC
Inactive 900 / E
WSW-17
2124 Old US 1
Highway, Apex,
NC
0730098773 Walter McClamb PO Box 243,
Apex, NC Active 950 / NE
Receptor
ID Location Contact
Distance/
Direction from
Source Area (feet)
Pond 1
2236 Old US
Highway 1, Apex,
NC
919-387-0848 180 / NE
Pond 2
2217 Old US
Highway 1, Apex,
NC
919-387-0848 415 / SE
Information obtained from S&ME, Inc. (2020) and Wake County iMaps (accessed March 20, 2023).
Description
Surface water feature located on adjacent parcel to the southeast.
Surface water feature located on Former Union 76 parcel to the north.
NCDEQ; 26571_Former Union 76 Gas Station; T2_Receptor & WSW Info
CATLIN Project No. 220217
CATLIN Engineers and Scientists
July 2023
Page 1 of 3
TABLE 3
Incident Name and No.: Former Union 76 Gas Station - 26571
Well ID
Date
Installed
(mm/dd/yy)*
Date Water
Level
Measured
(mm/dd/yy)
Well
Diameter
(inches)
Well
Casing
Depth
(ft. BLS)*
Screened
Interval
(x to y ft.
BLS)*
Bottom
of Well
(ft. BLS)*
Top of
Casing
Elevation*
(ft.)
Free-Phase
Product
Thickness
(ft.)
Depth to
Water from
Top of
Casing (ft.)
Ground
Water
Elevation
(ft.)
Comments
02/16/20 NMT 9.60 90.34
06/16/22 NMT 15.24 84.70
02/09/23 NMT 18.42 81.52 Pre-AFVR
02/09/23 NMT 19.45 80.49 Post-AFVR
03/07/23 NMT 17.15 82.79
04/11/23 NMT 16.28 83.66 Pre-AFVR
04/11/23 NMT 19.80 80.14 Post-AFVR
05/10/23 NMT 14.97 84.97
02/16/20 NMT 10.36 89.64
06/16/22 NMT 15.99 84.01
02/09/23 NMT 19.02 80.98 Pre-AFVR
02/09/23 NMT 19.60 80.40 Post-AFVR
03/07/23 NMT 17.69 82.31
04/11/23 NMT 16.86 83.14 Pre-AFVR
04/11/23 NMT 14.25 85.75 Post-AFVR
05/10/23 NMT 15.44 84.56
02/16/20 NMT 10.21 89.63
06/16/22 NMT 15.65 84.19
02/09/23 NMT 18.57 81.27 Pre-AFVR
02/09/23 Post-AFVR
03/07/23 NMT 17.29 82.55
04/11/23 NMT 16.47 83.37 Pre-AFVR
04/11/23 NMT 19.80 80.04 Post-AFVR
05/10/23 NMT 15.04 84.80
2010-20
2.0
5 5-20 20 100.00
Dry
MW-2
99.94205-205
99.84
WELL CONSTRUCTION AND HISTORICAL WATER LEVEL GAUGING DATA
07/21/04MW-1
102.0
2.0
MW-3R 06/05/20
05/24/05
NCDEQ; 26571_Former Union 76 Gas Station; T3_Well Construction & Gauging
CATLIN Project No. 220217
CATLIN Engineers and Scientists
July 2023
Page 2 of 3
TABLE 3
Incident Name and No.: Former Union 76 Gas Station - 26571
Well ID
Date
Installed
(mm/dd/yy)*
Date Water
Level
Measured
(mm/dd/yy)
Well
Diameter
(inches)
Well
Casing
Depth
(ft. BLS)*
Screened
Interval
(x to y ft.
BLS)*
Bottom
of Well
(ft. BLS)*
Top of
Casing
Elevation*
(ft.)
Free-Phase
Product
Thickness
(ft.)
Depth to
Water from
Top of
Casing (ft.)
Ground
Water
Elevation
(ft.)
Comments
WELL CONSTRUCTION AND HISTORICAL WATER LEVEL GAUGING DATA
02/16/20 NMT 10.44 89.00
06/16/22 NMT 14.62 84.82
02/09/23 NMT 18.00 81.44 Pre-AFVR
02/09/23 NMT 19.95 79.49 Post-AFVR
03/07/23 NMT 16.85 82.59
05/10/23 NMT 14.67 84.77
06/16/22 NMT 14.24 83.99
05/10/23 NMT 15.28 82.95
NMT 13.31 84.92
06/16/22 97.72 NMT 12.47 85.25
03/07/23 NMT 13.84 NM Casing moved
05/10/23 NMT 12.29 NM
06/16/22 NMT 16.31 83.83
03/07/23 NMT 17.92 82.22
05/10/23 NMT 15.43 84.71
NM
98.23
99.44
100.1405/17/22
05/17/22
05/17/22
06/05/20 20
20
20
2010-20
10-20
10-20
10-20MW-4R
MW-7
MW-6
MW-5 10
10
2.0
2.0
2.0
2.0
10
10
NCDEQ; 26571_Former Union 76 Gas Station; T3_Well Construction & Gauging
CATLIN Project No. 220217
CATLIN Engineers and Scientists
July 2023
Page 3 of 3
TABLE 3
Incident Name and No.: Former Union 76 Gas Station - 26571
Well ID
Date
Installed
(mm/dd/yy)*
Date Water
Level
Measured
(mm/dd/yy)
Well
Diameter
(inches)
Well
Casing
Depth
(ft. BLS)*
Screened
Interval
(x to y ft.
BLS)*
Bottom
of Well
(ft. BLS)*
Top of
Casing
Elevation*
(ft.)
Free-Phase
Product
Thickness
(ft.)
Depth to
Water from
Top of
Casing (ft.)
Ground
Water
Elevation
(ft.)
Comments
WELL CONSTRUCTION AND HISTORICAL WATER LEVEL GAUGING DATA
02/16/20 NMT 10.47 89.73 Type III; Ɨ
06/16/22 NMT 16.30 83.90 Type III; Ɨ
02/09/23 NMT 19.23 80.97 Type III;
Pre-AFVR; Ɨ
02/09/23 NMT 22.67 77.53 Type III;
Post-AFVR; Ɨ
03/07/23 NMT 17.93 82.27 Type III; Ɨ
04/11/23 NMT 17.05 83.15 Type III;
Pre-AFVR; Ɨ
04/11/23 NMT 30.70 69.50 Type III;
Post-AFVR; Ɨ
05/10/23 NMT 15.59 84.61 Type III; Ɨ
Ɨ = Depth to water was measured above the screened interval.
NM = Not Measured
NMT = No Measureable Thickness
AFVR = Aggressive Fluid Vapor Recovery
* = Construction data for wells installed prior to 2022 were obtained from S&ME (2020).
35
ft. BLS = feet Below Land Surface
100.2035-40 40DW-1 05/26/05 2.0/6.0
NCDEQ; 26571_Former Union 76 Gas Station; T3_Well Construction & Gauging
CATLIN Project No. 220217
CATLIN Engineers and Scientists
July 2023
Page 1 of 1
TABLE 4
SUMMARY OF GROUNDWATER LABORATORY RESULTS — STANDARD METHOD 6200B
Incident Name and No.: Former Union 76 Gas Station - 26571
Date
Collected
(mm/dd/yy)
05/10/23 59 J 1,400 51 J 3.0 J <2.5 <3.2 ƚ <6.1 ƚ 8.0 J 150 <24 8.6 J 3.6 J <26 28 9.4 J 1,400 130 57 1,130 BMDL
05/10/23 2.6 J <0.18 <1.7 <0.15 <0.13 <0.16 ƚ 2.1 <0.20 <0.22 <1.2 <0.15 <0.13 <1.3 <0.38 <0.12 <0.22 <0.20 <0.15 <0.73 BMDL
05/10/23 <8.0 290 <6.7 1.7 J 0.92 J 8.5 45 1.6 J 23 17 J 2.3 1.5 J 10 J 23 2.1 49 130 81 480 BMDL
05/10/23 230 J 840 290 J 47 J <13 <16 ƚ <30 ƚ <20 1,800 <120 ƚ 99 <13 <130 ƚ 430 230 9,900 2,000 620 11,900 BMDL
05/10/23 2.7 J <0.18 <1.7 <0.15 <0.13 <0.16 ƚ <0.30 <0.20 <0.22 <1.2 <0.15 <0.13 <1.3 <0.38 <0.12 <0.22 <0.20 <0.15 <0.73 BMDL
05/10/23 <2.0 <0.18 <1.7 <0.15 <0.13 <0.16 ƚ <0.30 <0.20 <0.22 <1.2 <0.15 <0.13 <1.3 <0.38 <0.12 <0.22 <0.20 <0.15 <0.73 BMDL
05/10/23 2.9 J <0.18 <1.7 <0.15 <0.13 <0.16 ƚ <0.30 <0.20 <0.22 <1.2 <0.15 <0.13 <1.3 <0.38 <0.12 <0.22 <0.20 <0.15 <0.73 BMDL
05/10/23 3.4 J <0.18 <1.7 <0.15 <0.13 <0.16 ƚ 0.82 <0.20 <0.22 <1.2 <0.15 0.34 J <1.3 <0.38 <0.12 <0.22 <0.20 <0.15 <0.73 BMDL
05/10/23 9.6 J <0.18 <1.7 <0.15 <0.13 <0.16 ƚ <0.30 <0.20 <0.22 <1.2 <0.15 <0.13 <1.3 <0.38 <0.12 <0.22 <0.20 <0.15 <0.73 BMDL
05/10/23 2.9 J <0.18 <1.7 <0.15 <0.13 <0.16 ƚ <0.30 <0.20 <0.22 <1.2 <0.15 <0.13 <1.3 <0.38 <0.12 <0.22 <0.20 <0.15 <0.73 BMDL
All results in micrograms per liter (µg/L).
BMDL = Below Method Detection Limit (refer to analytical report for a complete list of analytes and detection limits)
Eq. = Equipment
2L GWQS = NCAC T15A:02L Groundwater Quality Standards
Bold results indicate concentrations above 2L GWQS.
GCL = Gross Contaminant Level
< = Less than method detection limit
ƚ = The method detection limit is above the 2L GWQS.
J = Detected but below the Reporting Limit (lowest calibration standard); therefore, result is an estimated concentration (CLP J-Flag).1,2-Dibromoethane (EDB)Diisopropyl Ether (DIPE)1,2-Dichloroethane Eq. Rinse
Contaminant of
Concern
Acetone5,900
70n-Butylbenzene5,000
1
400
0.4
70,000
70
Trip Blank
GCL (µg/L)
2L GWQS (µg/L)
6,000,000
6,000
50
0.02
30,500
70
40,000
40 1,3,5-TrimethylbenzeneTotal XylenesToluene p-Isopropyltoluene (p-Cymene)100,000
100
11,700
25Isopropylbenzene (Cumene)Naphthalene n-Propylbenzene2-Hexanone (MBK)4-Methyl-2-pentanone (MIBK)All Other SM 6200B AnalytesVaries
Varies
6,000
6
26,100
70
260,000
600
28,500
400
24,100
400
50,000
5001,2,4-Trimethylbenzene80,000
600
8,800
70sec-Butylbenzene MW-3R
MW-2
MW-1
Well/
Sample ID
DW-1
MW-7
MW-6
MW-5
MW-4R 2-Butanone (MEK)4,000,000
4,000 EthylbenzeneBenzene NCDEQ; 26571_Former Union 76 Gas Station; T4_GW Results (SM 6200B)
CATLIN Project No. 220217
CATLIN Engineers and Scientists
July 2023
Page 1 of 1
TABLE 5
SUMMARY OF HISTORICAL GROUNDWATER LABORATORY RESULTS — STANDARD METHOD 6200B
Incident Name and No.: Former Union 76 Gas Station - 26571
Well
Type
Well/
Sample
ID
Date
Collected
02/16/21 BMDL 650 <38 4.2 J <2.0 <1.8 23 71 <3.0 270 <28 20 3.8 J <3.4 <32 74 26 3.8 J 2,100 390 190 2,600 BMDL
06/16/22 35 J 1,600 BMDL 5.7 1.8 J BMDL <1.7 ƚ <3.1 ƚ 6.7 200 <11 12 1.7 J 3.4 J <13 23 L 12 BMDL 1,700 200 100 1,640 BMDL
03/07/23 50 J 890 18 J 3.1 J <1.3 <1.4 <1.6 ƚ <3.0 ƚ 3.9 J 86 <12 4.5 J <1.3 <1.7 <13 21 5.5 <1.5 510 44 33 520 BMDL
05/10/23 59 J 1,400 51 J 3.0 J <2.5 <2.8 <3.2 ƚ <6.1 ƚ 8.0 J 150 <24 8.6 J 3.6 J <3.4 <26 28 9.4 J <3.0 1,400 130 57 1,130 BMDL
02/16/21 BMDL 560 <19 1.4 J <1.0 <0.90 <1.5 ƚ 100 4.2 J 60 <14 8.4 2.6 J 7.4 <16 37 5.4 <0.80 3.5 J 2.7 J 5.6 11.3 J BMDL
06/16/22 <20 1,400 BMDL 1.8 J 1.5 J BMDL 5.6 <3.1 ƚ 9.0 230 <11 15 3.3 J 15 <13 77 L 17 BMDL 21 2.8 J 5.0 85.8 J BMDL
03/07/23 8.6 J 1.0 <1.7 <0.15 <0.13 <0.14 <0.16 ƚ 4.6 0.26 J 0.24 J <1.2 <0.15 <0.13 <0.17 <1.3 <0.38 <0.12 <0.15 <0.22 <0.20 <0.15 <0.73 BMDL
05/10/23 2.6 J <0.18 <1.7 <0.15 <0.13 <0.14 <0.16 ƚ 2.1 <0.20 <0.22 <1.2 <0.15 <0.13 <0.17 <1.3 <0.38 <0.12 <0.15 <0.22 <0.20 <0.15 <0.73 BMDL
02/16/21 BMDL 280 14 J 9.5 5.6 1.4 J 19 74 2.2 J 110 21 J 17 5.4 2.3 J 10 J 22 30 1.0 J 470 330 130 800 BMDL
06/16/22 160 J 3,500 BMDL 13 J <5.5 BMDL 76 <15 ƚ <6.4 580 190 J 38 5.5 J <8.6 82 J 110 L 49 BMDL 6,600 520 190 4,100 BMDL
03/07/23 41 J 570 35 J 6.1 <1.3 <1.4 9.5 <3.0 ƚ <2.0 49 14 J 6.1 2.5 J <1.7 <13 19 5.7 <1.5 480 66 61 800 BMDL
05/10/23 <8.0 290 <6.7 1.7 J 0.92 J <0.57 8.5 45 1.6 J 23 17 J 2.3 1.5 J <0.68 10 J 23 2.1 <0.60 49 130 81 480 BMDL
02/16/21 BMDL 1,200 <190 41 J 22 J <9.0 41 J <32 ƚ <15 2,000 <140 120 12 J <17 <160 ƚ 690 320 <8.0 11,000 2,300 840 11,900 BMDL
06/16/22 <100 380 BMDL 70 22 J BMDL <8.5 ƚ <15 ƚ <6.4 1,900 <56 ƚ 120 15 J <8.6 <64 450 L 320 BMDL 7,200 2,400 810 11,900 BMDL
03/07/23 <200 510 <170 43 J <13 <14 <16 ƚ <30 ƚ <20 1,700 <120 ƚ 100 <13 <17 <130 ƚ 380 250 <15 6,100 620 <15 10,100 BMDL
05/10/23 230 J 840 290 J 47 J <13 <14 <16 ƚ <30 ƚ <20 1,800 <120 ƚ 99 <13 <17 <130 ƚ 430 230 <15 9,900 2,000 620 11,900 BMDL
06/16/22 <2.0 <0.20 BMDL <0.15 <0.11 BMDL <0.17 ƚ <0.31 <0.13 <0.21 <1.1 <0.11 <0.097 <0.17 <1.3 <0.24 <0.086 BMDL <0.22 <0.20 <0.11 <0.69 BMDL
03/07/23 <2.0 <0.18 <1.7 <0.15 <0.13 <0.14 <0.16 ƚ <0.30 <0.20 <0.22 <1.2 <0.15 <0.13 <0.17 <1.3 <0.38 <0.12 <0.15 <0.22 <0.20 <0.15 <0.73 BMDL
05/10/23 2.7 J <0.18 <1.7 <0.15 <0.13 <0.14 <0.16 ƚ <0.30 <0.20 <0.22 <1.2 <0.15 <0.13 <0.17 <1.3 <0.38 <0.12 <0.15 <0.22 <0.20 <0.15 <0.73 BMDL
06/16/22 <2.0 <0.20 BMDL <0.15 <0.11 BMDL <0.17 ƚ <0.31 <0.13 <0.21 <1.1 <0.11 <0.097 <0.17 <1.3 <0.24 <0.086 BMDL <0.22 <0.20 <0.11 <0.69 BMDL
03/07/23 <2.0 <0.18 <1.7 <0.15 <0.13 <0.14 <0.16 ƚ <0.30 <0.20 <0.22 <1.2 <0.15 <0.13 <0.17 <1.3 <0.38 <0.12 <0.15 <0.22 <0.20 <0.15 <0.73 BMDL
05/10/23 <2.0 <0.18 <1.7 <0.15 <0.13 <0.14 <0.16 ƚ <0.30 <0.20 <0.22 <1.2 <0.15 <0.13 <0.17 <1.3 <0.38 <0.12 <0.15 <0.22 <0.20 <0.15 <0.73 BMDL
06/16/22 <2.0 <0.20 BMDL <0.15 <0.11 BMDL <0.17 ƚ <0.31 <0.13 <0.21 <1.1 <0.11 <0.097 <0.17 <1.3 <0.24 <0.086 BMDL <0.22 <0.20 <0.11 <0.69 BMDL
03/07/23 <2.0 <0.18 <1.7 <0.15 <0.13 <0.14 <0.16 ƚ <0.30 <0.20 <0.22 <1.2 <0.15 <0.13 <0.17 <1.3 <0.38 <0.12 <0.15 <0.22 <0.20 <0.15 <0.73 BMDL
05/10/23 2.9 J <0.18 <1.7 <0.15 <0.13 <0.14 <0.16 ƚ <0.30 <0.20 <0.22 <1.2 <0.15 <0.13 <0.17 <1.3 <0.38 <0.12 <0.15 <0.22 <0.20 <0.15 <0.73 BMDL
02/16/21 BMDL 1.2 <1.9 <0.14 <0.10 <0.090 <0.15 ƚ 1.4 <0.15 <0.090 <1.4 <0.10 <0.090 <0.17 <1.6 0.25 J <0.080 <0.080 <0.11 0.12 J <0.10 1.06 J BMDL
06/16/22 <2.0 6.1 BMDL <0.15 <0.11 BMDL <0.17 ƚ 6.6 <0.13 <0.21 <1.1 0.99 <0.097 <0.17 <1.3 1.8 L <0.086 BMDL <0.22 0.8 <0.11 5.6 BMDL
03/07/23 <2.0 0.80 <1.7 <0.15 <0.13 <0.14 <0.16 ƚ 1.5 <0.20 <0.22 <1.2 <0.15 <0.13 <0.17 <1.3 <0.38 <0.12 <0.15 <0.22 <0.20 <0.15 <0.92 J*BMDL
05/10/23 3.4 J <0.18 <1.7 <0.15 <0.13 <0.14 <0.16 ƚ 0.82 <0.20 <0.22 <1.2 <0.15 0.34 J <0.17 <1.3 <0.38 <0.12 <0.15 <0.22 <0.20 <0.15 <0.73 BMDL
07/26/22 <2.0 0.35 J BMDL <0.15 <0.11 BMDL <0.17 ƚ 2.2 <0.13 <0.21 <1.1 <0.11 <0.097 <0.17 <1.3 <0.24 <0.086 BMDL <0.22 <0.20 <0.11 <0.69 BMDL
03/07/23 <2.0 <0.18 <1.7 <0.15 <0.13 <0.14 <0.16 ƚ 0.82 <0.20 <0.22 <1.2 <0.15 <0.13 <0.17 <1.3 <0.38 <0.12 <0.15 <0.22 <0.20 <0.15 <0.73 BMDL
06/16/22 <2.0 <0.20 BMDL <0.15 <0.11 BMDL <0.17 ƚ <0.31 <0.13 <0.21 <1.1 <0.11 <0.097 <0.17 <1.3 <0.24 <0.086 BMDL <0.22 <0.20 <0.11 <0.69 BMDL
03/07/23 <2.0 <0.18 <1.7 <0.15 <0.13 <0.14 <0.16 ƚ <0.30 <0.20 <0.22 <1.2 <0.15 <0.13 <0.17 <1.3 <0.38 <0.12 <0.15 <0.22 <0.20 <0.15 <0.73 BMDL
06/16/22 <2.0 <0.20 BMDL <0.15 <0.11 BMDL <0.17 ƚ <0.31 <0.13 <0.21 <1.1 <0.11 <0.097 0.66 <1.3 <0.24 <0.086 BMDL <0.22 <0.20 <0.11 <0.69 BMDL
03/07/23 <2.0 <0.18 <1.7 <0.15 <0.13 <0.14 <0.16 ƚ <0.30 <0.20 <0.22 <1.2 <0.15 <0.13 0.69 <1.3 <0.38 <0.12 <0.15 <0.22 <0.20 <0.15 <0.73 BMDL
All results in micrograms per liter (µg/L).J = Detected but below the Reporting Limit (lowest calibration standard); therefore, result is an estimated concentration (CLP J-Flag).
SM = Standard Method L = Laboratory fortified blank/laboratory control sample recovery and duplicate recovery are outside of control limits. Reported value for this compound is likely to be biased on the low side (L-04 Flag).
2L GWQS = NCAC T15A:02L Groundwater Quality Standards < = Less than method detection limit
Bold results indicate concentrations above 2L GWQS.BMDL = Below Method Detection Limit (refer to analytical report for a complete list of analytes and detection limits)
Shaded results indicate concentrations above GCL.* = The value represents the sum of the reported practical quantitation limit of one analyte and the detected concentration of the other analyte.
GCL = Gross Contaminant Level ƚ = The method detection limit is above the 2L GWQS.2-Hexanone (MBK)Contaminant of
Concern
AcetoneBenzene 2-Butanone (MEK)n-Butylbenzenesec-Butylbenzene tert-Butylbenzene 1,2-Dibromoethane (EDB)1,2-Dichloroethane Diisopropyl Ether (DIPE)EthylbenzeneAll Other SM 6200B AnalytesIsopropylbenzene (Cumene)p-Isopropyltoluene (p-Cymene)Methyl tert-Butyl Ether (MTBE)4-Methyl-2-pentanone (MIBK)Naphthalene n-PropylbenzeneStyrene Toluene 1,2,4-Trimethylbenzene1,3,5-TrimethylbenzeneTotal Xylenes6,000,000
6,000MonitoringMW-1
MW-2
MW-3R
MW-4R
MW-5
MW-6
MW-7
DW-1
Water SupplyWSW-1
WSW-4
WSW-10
GCL (µg/L)
2L GWQS (µg/L)
11,700
25
5,000
1
4,000,000
4,000
5,900
70
8,800
70
14,750
70
50
0.02
400
0.4
70,000
70
80,000
600
40,000
40
30,500
70
28,500
400
24,100
400
50,000
500
Varies
Varies
20,000
20
100,000
100
6,000
6
26,100
70
70,000
70
260,000
600
NCDEQ; 26571_Former Union 76 Gas Station; T5_Historical GW (SM 6200B)
CATLIN Project No. 220217
CATLIN Engineers and Scientists
July 2023

NCDEQ; 26571_Former Union 76 Gasoline Station CATLIN Engineers and Scientists
CATLIN Project No. 220217 July 2023

FIGURES
FIGUREPROJECTTITLE
1SITE VICINITY MAP
SITE LOCATION
OLD US 1 HW YHUMIE OLIVE RD
US HW Y 1Copyright:© 2013 National Geographic Society, i-cubed
2,000 0 2,000 4,0001,000
Feet
³
UNION 76 GASOLINE STATION
2236 OLD US 1 HWYAPEX, NC
INCIDENT NO.JOB NO.DATE SCALE DRAWN BY/CHECKED BY26571220217JULY 2023 AS SHOWN KMC/SJO
FIGUREPROJECTTITLE
2
UNION 76 GASOLINE STATION
2236 OLD US 1 HWYAPEX, NC
POTENTIAL RECEPTOR MAP
!(P
!(W
!(W
!(P
!(P
!(P
!(P
!(P
!(P
!(P
!(P
!(P !(W
!(P
SITE LOCATION
OLD US 1 HW YHUMIE OLIVE RD
1 ,5 0 0 F EET RADIUS
500F E E T RADIUS
POND 2
POND 1
WSW-6*WSW-5*
WSW-8
WSW-9
WSW-4
WSW-1
WSW-3
WSW-2
WSW-7
WSW-15
WSW-10
WSW-12
WSW-17WSW-13
Source: Esri, Maxar, Earthstar Geographics, and the GIS User Community
500 0 500 1,000250
Feet
³
NOTES: 1. Well locations were obtained from previous reports prepared by other consultants and are approximate.2. * = Unable to determine which well (WSW-5 or WSW-6) wasactive; to be conservative, WSW-5 was designated as active.
LEGEND
!(P Active PotableWater Supply Well
!(P Inactive PotableWater Supply Well
INCIDENT NO.JOB NO.DATE SCALE DRAWN BY/CHECKED BY26571220217JULY 2023 AS SHOWN KMC/SJO
!(W Inactive Non-PotableWater Supply Well
FIGUREPROJECTTITLE
3
UNION 76 GASOLINE STATION
2236 OLD US 1 HWYAPEX, NC
SITE MAP
!(P
!(W
!(W
!(P
!>
!>!>
!>!(>
!>
!>!(P!(P!(P!(P!(P
!(P
!(P
!(P
!(W
!(P
!>
!>
!>
O L D U S 1 H W Y
WSW-2
MW-2DW-1
MW-3R
MW-1MW-4R
MW-7
MW-5
MW-6
MW-4
MW-3
Source: Esri, Maxar, Earthstar Geographics, and the GIS User Community
20 0 20 4010
Feet
³
NOTE: Well and tank locations were obtained from previous reports
prepared by other consultants and are approximate.
Parcel Boundary
Approximate Location of Former USTs
Monitoring Well
(Type II)!>
LEGEND
!(W Inactive Non-Potable
Water Supply Well
Monitoring Well(Type III)!(>
INCIDENT NO.JOB NO.DATE SCALE DRAWN BY/CHECKED BY26571220217JULY 2023 AS SHOWN KMC/SJO
Destroyed Monitoring
Well (Type II)!>
FIGUREPROJECTTITLE
4
UNION 76 GASOLINE STATION2236 OLD US 1 HWYAPEX, NC
GROUNDWATER ELEVATION –MAY 10, 2023
!(P
!(W
!(W
!(P
!>!>
!>!(>
!>
!(P!(P!(P!(P!(P
!(P
!(P
!(P
!(W
!(P
!>
!>
!><O L D U S 1 H W Y
WSW-2
MW-2(84.56)
DW-1*(84.61)MW-3R(84.80)
MW-1(84.97)
MW-4R(84.77)
MW-7(84.71)MW-5(84.92)
MW-6[12.29]
8 4 .7 0
8 4 .8 0 8 4 .9 0
8 4 .6 0
84.8084.90Source: Esri, Maxar, Earthstar Geographics, and the GIS User Community
20 0 20 4010
Feet
³
Parcel Boundary
Approximate Location of Former USTs
Monitoring Well(Type II)!>
LEGEND
!(W Inactive Non-PotableWater Supply Well
INCIDENT NO.JOB NO.DATE SCALE DRAWN BY/CHECKED BY26571220217JULY 2023 AS SHOWN KMC/SJO
Gauged Monitoring Well (Type II)!>
Gauged Monitoring Well (Type III)!(>
NOTES: 1. Well and tank locations were obtained from previous reportsprepared by other consultants and are approximate.2. BTOC = Below Top of Casing3. * = Deep well; elevation not used for contouring purposes.4. The groundwater elevation contour interval is 0.10 feet.
Groundwater FlowDirection
Groundwater Contour<Groundwater Elevation (Feet)(##)
Depth to Groundwater(Feet BTOC)[##]
FIGUREPROJECTTITLE
5
UNION 76 GASOLINE STATION2236 OLD US 1 HWYAPEX, NC
MONITORING WELLGROUNDWATER SAMPLEANALYTICAL RESULTS –MAY 10, 2023
!(P
!(W
!(W
!(P
!>!>
!>!(>
!>
!(P!(P!(P!(P!(P
!(P
!(P
!(P
!(W
!(P
!>
!>
!>
O L D U S 1 H W Y
WSW-2
MW-2DW-1*
MW-3R
MW-1MW-4R
MW-7MW-5
MW-6 ESTIMATED HORIZONTALEXTENT OF 2L GWQSEXCEEDANCES?
?
Source: Esri, Maxar, Earthstar Geographics, and the GIS User Community
20 0 20 4010
Feet
³
Parcel Boundary
Approximate Location of Former USTs
LEGEND
!(W Inactive Non-PotableWater Supply Well
INCIDENT NO.JOB NO.DATE SCALE DRAWN BY/CHECKED BY26571220217JULY 2023 AS SHOWN KMC/SJO
Sampled Monitoring Well (Type II)!>
Sampled Monitoring Well (Type III)!(>
NOTES: 1. Well and tank locations were obtained from previous reportsprepared by other consultants and are approximate.2. * = Deep well; analytical results not used for contouring purposes.
SUMMARY OF GROUNDWATER LABORATORY RESULTS - STANDARD METHOD 6200BIncident Name and No.: Former Union 76 Gas Station - 26571
Well/ Sample ID
DateCollected
MW-1 05/10/23 1,400 <3.2 ƚ <6.1 ƚ 150 8.6 J 28 9.4 J 1,400 130 57 1,130MW-2 05/10/23 <0.18 <0.16 ƚ 2.1 <0.22 <0.15 <0.38 <0.12 <0.22 <0.20 <0.15 <0.73MW-3R 05/10/23 290 8.5 45 23 2.3 23 2.1 49 130 81 480MW-4R 05/10/23 840 <16 ƚ <30 ƚ 1,800 99 430 230 9,900 2,000 620 11,900MW-5 05/10/23 <0.18 <0.16 ƚ <0.30 <0.22 <0.15 <0.38 <0.12 <0.22 <0.20 <0.15 <0.73MW-6 05/10/23 <0.18 <0.16 ƚ <0.30 <0.22 <0.15 <0.38 <0.12 <0.22 <0.20 <0.15 <0.73MW-7 05/10/23 <0.18 <0.16 ƚ <0.30 <0.22 <0.15 <0.38 <0.12 <0.22 <0.20 <0.15 <0.73DW-1 05/10/23 <0.18 <0.16 ƚ 0.82 <0.22 <0.15 <0.38 <0.12 <0.22 <0.20 <0.15 <0.73
All results in micrograms per liter (µg/L).Bold results are above 2L GWQS.Refer to Table 4 for all other results and notes.Total Xylenes6,0006 26,10070 260,000600500.02 80,000600 30,50070 28,500400 50,0005004000.41,2-Dichloroethane Naphthalene n-PropylbenzeneToluene 1,2,4-TrimethylbenzeneEthylbenzene1,3,5-Trimethylbenzene24,100400Isopropylbenzene (Cumene)2L GWQS (µg/L) 5,0001GCL (µg/L)Benzene Contaminant of Concern
1,2-Dibromoethane (EDB)

NCDEQ; 26571_Former Union 76 Gasoline Station CATLIN Engineers and Scientists
CATLIN Project No. 220217 July 2023

APPENDICES

NCDEQ; 26571_Former Union 76 Gasoline Station CATLIN Engineers and Scientists
CATLIN Project No. 220217 July 2023

APPENDIX A HISTORICAL DATA

• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •
Sample ID B-101 B-102 B-103
Sample Depth in Feet (8-10) (8-10) (7-9)
Aliphatics & Aromatics Method
C5-C8 Aliphatics, mg/kg VPH 163 38.8 19.5
C9-C 12 Aliphatics, mg/kg VPH 110 18.4 40.4
C9-C10 Aromatics, mg/kg VPH 43.6 ND ND
olatile Organics
Acetone, mg/kg 8260 0.0925 0.226 ND
Benzene, mg/kg 8260 3.08 1.72 0.0223
n-butylbenzene, mg/kg 8260 ND ND ND
sec-butylbenzene, mg/kg 8260 0.00266 0.0397 0.00378
tert-butylbenzene, mg/kg 8260 ND 0.0073 ND
carbon disulfide, mg/kg 8260 ND ND ND
cis-1,2-Dichloroethene, mg/kg 8260 ND ND ND
Chloroform, mg/kg 8260 ND ND ND
1,2-Dibromoethane, mg/kg 8260 0.113 ND
1,2-Dichloroethane, mg/kg 8260 0.308 0.177 0.0049
Ethylbenzene, mg/kg 8260 6.5 0.631 0.0272
Hexachlorobutadiene, mg/kg 8260 ND ND ND
2-Hexanone, mg/kg 8260 ND ND ND
lsopropylbenzene, mg/kg 8260 0.0132 0.124 0.00757
4-lsopropyltoluene, mg/kg 8260 ND 0.0474 0.00597
Naphthalene, mg/kg 8260 0.0853 0.509 0.0467
4-Methyl-2-pentanone, mg/kg 8260 ND ND ND
Methylene Chloride, mg/kg 8260 ND ND ND
n-Propylbenzene, mg/kg 8260 0.0321 0.266 0.0162
Styrene, mg/kg 8260 ND ND ND
1,2,4-Trichlorobenzene, mg/kg 8260 ND ND ND
Toluene, mg/kg 8260 16.4 3.48 0.0762
1,2,4 Trimethylbenzene, mg/kg 8260 0.204 1.69 0.121
1,3,5 Trimethylbenzene, mg/kg 8260 0.0634 0.674 0.0497
Total Xylenes. mg/kg 8260 31.2 3.49 0.167
Notes: ND -Not detected
NT -Not tested
NS -No standard
• -interim standard
Concentration in bold and -shaded exceeds state residential standards
Concentration in bold and shaded exceeds state industrial/commercial standards
Concentration in Bold exceeds state Soil to GW standards
B-104
(9-11)
ND
ND
ND
ND
0.0065
ND
ND
ND
ND
ND
ND
ND
ND
0.0033
ND
ND
ND
ND
0.00752
ND
ND
ND
ND
ND
0.0133
ND
0.00863
0.0195
TABLE3
SUMMARY OF SOIL ANAi. YTICAI. RESULTS
Former 76 Service Station
2236 Old US Highway 1
Apex, North Carolina
B-105 B-106 B-107 B-108 B-109
(7-9) (9-11) (9-11) (7-9) (7-9)
MW-1
(6-8)
MW-1
(10-11)
State Standards (mg/kg)
Residential Industrial/Commercial Soil to GW
380 14.7 ND 265 ND
1,010 ND ND 390 ND
ND ND ND
-. --939 24,528 72
9,386 245,280 3,255
469 12,264 34
• l
0.253 ND ND 0.0956 ND
0.166 0.576 0.308 0.318 0.0031
ND ND ND ND ND
0.1 14 0.00955 0.00304 0.128 ND
0.023 ND ND ND ND
ND ND ND ND ND
ND ND ND ND
ND ND ND ND
ND ND ND
ND 0.0439 0.0441 0.0377 ND
ND 1.66 1,564 40,880 3
20.1 12.3 22 200 0.0056
56.4 ND 156 4,088 4
11.6 0.169 ,56 4,088 3
ND ND 156 4,088 3
ND ND 1,564 40,880 4
ND ND 156 4,000 0.35
ND ND 100 938 0.001
ND ND 0.0075 0.067 0.00000197
ND ND 7 63.000 0.0018 3.62 0.21 0.0568 4.9 ND
ND ND ND ND ND
ND ND ND ND ND
2.1 0.0296 0.00677 1.66 ND
0.193 0.0113 0.00739 0.088 ND
172 127 1,560 40,000 0.24
ND ND 3 73 0.26
ND ND 625 16,352 1.9
22.9 19.8 1,564 40,880 2
7.39 0.134 NS NS NS 7.63 0.108 0.0489 6.15 ND
ND ND ND ND ND
60.6 63 1,635 0.58
ND ND NS NS NS ND ND ND ND ND
4.71 0.0605 0.0112 7.3 ND
ND ND ND ND ND
ND ND ND ND ND
4.18 1.31 0.4 5.94 0.0121
34.2 0.631 0.208 39.2 ND
13.8 0.145 0.0981 13.5 ND
25.3 1.39 0.561 30.8 0.005
ND ND 85 763 0.02
90.2 74.3 156 4,088 2
ND ND 3128 81 ,760 2.24
ND ND 156 4,088 2.6
343 212 3,200 82,000 7
427 359 782 20,440 8
163 149 782 20,440 7
841 642 32,000 200,000 5
APPENDIX A HISTORICAL DATA
NCDEQ; 26571_Former Union 76 Gasoline Station CATLIN Project No. 220217 CATLIN Engineers and Scientists July 2023
NOTE:
1.
2.
SOIL SAMPLES COLLECTED FROM
BORINGS AT DEPTHS RANGING FROM
7 TO 11 FEET BLS.
DEPTH TO GROUNDWATER IN MW-1
WAS APPROXIMATELY 14.01 FEET BLS.
HUMIE OLIVE ROAD
OVERHA
f---
2236 OLD US HIGHWAY 1 -
r--
SHED
>-
,-
NG
--= ----
--
-
-
-
-
WSW-HD
~
SAMPLED ON MARCH 17, 2004. J ~ RESULTS INDICATE ANALYTES Q
BELOW METHOD DETECTION LIMITS.
HAND DUG
WATER SUPPLY WELL
APPROXIMATE
EXTENT OF
UST EXCAVATION
1.3.0' x 7.0' x 6.0' DEEP)
r-·--·--·--·, .rw, I
< MSCCs 8-109 ! I I j
I I ;""'~I "", ----APPROXIMATE LOCATION
FORMER PUMP ISLAND ------------------~ 1 1 OF FORMER 1,000-GALLON
( ~ ~ ) i I I I GASOLINE UST
APPROXIMATE
EXTENT OF
UST EXCAVATION ( ~ 9.0' x 5.0' x 6.0' DEEP)
8-108 e
.._, -------l L'-_j ! UST #2
• I • L. __________ J
8-104
> MSCCs
-·--=·--·, e 8-1 03 •8-107
> MSCCs
LEGEND :
~ MW-1 MONITORING WELL LOCATION
• SOIL BORING LOCATION B-101
> MSCCs
< MSCCs
> MSCCs
UST CLOSURE SAMPLES
EXCEEDS SOIL TO GROUNDWATER
MAXIMUM SOIL CONTAMINANT
CONCENTRATIONS {MSCCs)
LESS THAN SOIL TO
GROUNDWATER MSCCs
CONCENTRATION IN SOIL
EXCEEDS RESIDENTIAL MSCCs
CONCENTRATION IN SOIL
EXCEEDS INDUSTRIAL/
COMMERCIAL MSCCs
LAKE ____.,,
APPROXIMATELY 150 FEET
FROM PUMP ISLAND
WSW-1
APPROXIMATELY 150 FEET ---~-
FROM SOURCE AREA
SAMPLED ON MARCH 17, 2004 .
RESULTS INDICATE PETROLEUM
CONSTITUENTS EXCEED 15A NCAC
SUBCHAPTER 2L FOR BENZENE
(1 2.3 ug/L) AND 1,2-DICHLORO-
ETHANE (8.9 ug/L).
APPROXIMATE LOCATION
OF
UNDERGROUND LINES
~ • 8-105
~
!~w~i > MSCCs
L._ __ ---=--~_r-~-------------------APPROXIMATE LOCATION
OF FORMER 550-GALLON
GASOLINE UST
-------
~8-102• . ~ 8-106~ ............................ -..... -...................................................................................................... .
e 8-101 ~
................................... -.... -................ -....................................................................................... .
-.__ .... ·-· -~-·.· ·.· ._ .. _ ... ·.· ·.· ............... :.: ._ .. _ .... :.:. : .. : .. : .. : .. :.:.:. : .. : .. : .. : ... :.:. _. ._ .. _ .... :.: ._ .. _ .... :.: ._ .. _ .... :.: ._ .. _ .... :.: ._ .. _ .... :.:. : .. ,; .. : ... : .. :.:.: .. : ... :.~.: .. :.:.: ._ .. _ .. -
........................................................................................................................................ -......... .
OLD US HIGHWAY 1 . . . . . . . . . -........................................................................................................................................ .
WITHERS & RAVENEL
ENSINEEIS I PLANNERS I SURVEYORS
111 MoeKenari M,e Cay, North c«tiino 27511 nw.wilhennM,nelcom
tel: [phone] fax: 919-5JS-.4545
Revisiona
No. Description Dato By FORMER UNION 76 SERVICE STATION
2 2 36 OLD US HIGHWAY 1
APEX NORTH CAROLINA I SAMPLE LOCATION MAP
UST #1
I
o..wne, Scalo
KTC 1 ·s:::1 o·
~"" Dato
KTC 4/12/04
Joi> No.
204086.0 -No. 3
APPENDIX A HISTORICAL DATA

Well ID Date Installed
Well Casing
Depth
(ft-bgs)
Screened
Interval (ft-
bgs)
Well Material Well Diameter
(inches)
Total Well
Depth from Top
of Casing
(ft.)
Top of Casing
Elevation
(ft-rel)
Date of
Measurement
Depth to Water
(ft-btoc)
Groundwater
Elevation
(ft-rel)
7/21/2004 14.01 85.93
6/14/2005 13.61 86.33
6/28/2006 14.90 85.04
3/24/2015 10.47 89.47
4/25/2019 10.15 89.79
6/8/2020 14.23 85.71
6/14/2005 14.02 85.98
6/28/2006 15.00 85.00
3/24/2015 10.58 89.42
4/25/2019
6/8/2020 14.89 85.11
6/14/2005 13.03 86.07
6/28/2006 14.00 85.10
3/24/2015 9.66 89.44
4/25/2019
MW-3R 6/5/2020 0.0-10.0 10.0-20.0 PVC 2 20.0 99.84 6/8/2020 14.54 85.30
6/14/2005 12.05 86.63
6/28/2006 13.65 85.03
3/24/2015 9.43 89.25
4/25/2019
MW-4R 6/5/2020 0.0-10.0 10.0-20.0 PVC 2 20.0 99.44 6/8/2020 13.66 85.78
6/14/2005 14.45 85.75
6/28/2006 15.24 84.96
3/24/2015 10.74 89.46
4/25/2019 10.82 89.38
6/8/2020 15.13 85.07
Notes:
ft-bgs: Feet below ground surface
ft-rel: Feet relative elevation
ft-btoc: feet below top of casing
Groundwater samples were collected by Terraquest Environmental Consultants on 6/24/2010, however, no groundwater measurements were included in the Letter Report.
Approximately 0.5 inches of free product was reportedly measured in monitor well MW-4 on 6/24/2010.
Groundwater samples were collected by Crawford Environmental Services on 6/10/13 however, no groundwater measurements were included in the Letter Report.
S&ME Project No. 4305-19-052A
Not Measured
Well Damaged - Not Measured
2 20.0 99.94
MW-2 20.0 100.00
MW-1
TABLE 3
Monitor Well Construction Details and Groundwater Elevation Data
Former Union 76 (Incident No. 26571, UST No. RA-5020)
2236 Old US Highway 1
Apex, Wake County, North Carolina
Well Damaged - Not Measured
0.0 - 5.05/26/2005MW-4
99.105/25/2005MW-3
98.6820.02PVC5.0 - 20.0
20.02PVC5.0 - 20.0
7/21/2004 0.0 - 5.0 5.0 - 20.0 PVC
5/24/2005 0.0 - 5.0 5.0 - 20.0 PVC 2
2 40.0 100.20DW-1 5/26/2005 0.0 - 35.0 35.0 - 40.0 PVC
0.0 - 5.0
APPENDIX A
HISTORICAL DATA
NCDEQ; 26571_Former Union 76 Gasoline Station CATLIN Project No. 220217 CATLIN Engineers and Scientists July 2023
Sample ID Date
Collected
7/22/2004 BDL 4,950 BDL 36 230 936 688 54 8.2 BDL BDL 69 238 27 7 109 BDL NA NA 600 188 6,600 3,780
6/14/2005 BDL 3,300 BDL BDL 70 BDL 2,070 116 BDL BDL BDL 29 840 BDL BDL 242 BDL NA NA 2,720 790 11,600 15,750
6/29/2006 BDL 7,360 BDL BDL 38 BDL 820 BDL BDL BDL BDL BDL 357 BDL BDL BDL BDL NA NA 1,460 570 8,660 8,940
6/9/2010 BDL 5,740 BDL 36 47 773 1,060 60 BDL BDL BDL 107 404 BDL BDL 68 BDL NA NA 947 340 9,320 8,120
6/10/2013 BDL 4,100 BDL BDL 110 710 440 26 BDL BDL BDL 50 740 30 BDL 48 BDL NA NA 520 240 5,400 4,300
3/24/2015* BDL 7,330 BDL 28 BDL 800 755 41 BDL BDL BDL 31 342 BDL BDL 63 BDL NA NA 755 304 6,830 4,780
4/25/2019* BDL 3,400 BDL BDL BDL BDL 420 BDL BDL BDL BDL BDL 160 BDL BDL BDL BDL NA NA 370 160 4,600 3,100
6/8/2020* BDL 990 BDL BDL 11 J 84 210 42 J BDL BDL BDL BDL 160 BDL BDL 34 BDL BDL BDL 230 130 1,800 2,010
6/14/2005 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL NA NA BDL BDL BDL BDL
6/29/2006 BDL 3,720 BDL BDL 91 BDL 568 BDL BDL BDL BDL BDL BDL BDL BDL BB BDL NA NA 428 BDL 4,740 3,170
6/9/2010 BDL 86 BDL 4.6 7.7 94 18 0.97 BDL BDL BDL 16 11 BDL BDL 0.67 BDL NA NA BDL 3.7 4.4 8.3
6/10/2013 BDL 8.8 BDL 1.0 0.24 13 0.14 BDL BDL BDL BDL 2.2 BDL BDL BDL BDL BDL NA NA 0.24 0.38 0.72 2.2
3/24/2015* BDL 832 BDL BDL BDL 108 76 11 BDL 32 BDL 14 83 BDL BDL 6.9 BDL NA NA BDL BDL BDL BDL
4/25/2019
6/8/2020* BDL 670 BDL 4.4 8.3 97 37 8.2 J BDL BDL BDL 12 60 BDL BDL 5.5 BDL BDL BDL 4.2 J 11 11 25.4
6/14/2005 BDL 7,150 BDL BDL 407 BDL 1,340 81 BDL BDL BDL BDL 478 BDL BDL 96 BDL 72,000 367 1,250 491 12,100 7,380
6/29/2006 BDL 7,080 BDL BDL 370 BDL 1,200 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL NA NA 1,040 BDL 11,300 6,740
6/9/2010 BDL 3,170 BDL 4.8 113 239 50 BDL BDL BDL BDL 8.6 157 59 BDL BDL 6.5 NA NA 692 227 5,190 4,110
6/10/2013 500 2,900 16 BDL 75 BDL 560 36 BDL BDL 370 BDL BDL 16 BDL 56 BDL NA NA 530 200 5,000 3,800
3/24/2015* BDL 1,220 BDL BDL 18 62 200 14 BDL 48 BDL BDL 55 19 BDL BDL BDL NA NA 176 55 275 713
4/25/2019
MW-3R 6/8/2020*300 2,500 BDL BDL 58 190 580 97 J BDL BDL 170 J 16 J 340 33 BDL 100 BDL BDL BDL 730 260 4,300 3,700
6/14/2005 BDL 8,950 BDL BDL 494 BDL 3,300 134 BDL BDL BDL 126 1,070 BDL BDL 362 BDL 153,000 BDL 2,870 834 33,500 18,190
6/29/2006 BDL 8,960 BDL BDL 362 BDL 2,840 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL NA NA 2,400 BDL 30,800 16,420
6/9/2010
6/10/2013
3/24/2015* BDL 3,390 BDL BDL 530 257 783 62.3 BDL BDL BDL BDL 1,040 133 BDL BDL 11.6 NA NA 2,850 827 11,300 15,030
4/25/2019
MW-4R 6/8/2020* BDL 2,000 BDL BDL BDL BDL 2,400 370 J BDL BDL BDL BDL 1,300 98 BDL 480 BDL BDL BDL 3,000 1,100 14,000 15,800
6/14/2005 BDL 8.5 BDL 0.6 6.8 29 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL 934 BDL 0.84 BDL 2.3 4.7
6/29/2006 BDL 353 BDL BDL 362 BDL 18 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL NA NA BDL BDL BDL 22
6/9/2010 BDL 5.6 BDL 0.51 BDL 18.7 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL NA NA BDL BDL BDL BDL
6/10/2013 BDL 2 BDL 0.41 BDL 15 0.11 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL NA NA 0.24 BDL 0.87 0.9
3/24/2015* BDL 2.3 BDL BDL BDL 3 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL NA NA BDL BDL BDL 0.96
4/25/2019 BDL 1.5 BDL BDL BDL 1.7 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL NA NA BDL BDL BDL 1.19 J
6/8/2020 BDL 7.8 BDL BDL BDL 5.1 BDL 1.8 J BDL BDL BDL BDL 5.7 BDL BDL BDL BDL BDL BDL 1.1 BDL BDL 8.4
6,000 1 70 70 0.02 0.40 600 70 25 5 4,000 20 6 70 70 70 70 40 128 400 400 600 500
60,000,000 5,000 70,000 70,000 50 400 84,500 25,000 11,700 5,000 4,000,000 20,000 6,000 6,900 8,500 30,000 70,000 40,000 12,800 28,500 25,000 260,000 85,500
* Indicates samples analyzed at dilution
2L Standards: 15A NCAC 2L Groundwater Standards.BDL: Below Detection Limits
Only detected constituents are shown for the method.NA - Not Analized
Constituents in BOLD were reported at concentrations above the laboratory analytical method detection limits.
Constituents in BOLD and shaded were reported at concentrations above the North Carolina 2L Standards.
Constituents in BOLD, shaded and underlined were reported at concentrations above the Gross Contamination Levels.
Monitor Well Obstructed - Not Sampled
S&ME Project No. 4305-19-052A
chloroformVolatile Organic Compounds by EPA 6200B or Equivalent (µg/l)styrenetotal xylenesisopropylbenzenemethyl tert-butyl ethernaphthalenen-butylbenzenetoluenetert-amyl alcoholConstituent of Concern
tert-amyl methyl ethern-propylbenzeneTABLE 4
Summary of Groundwater Analytical Results
Former Union 76 (Incident No. 26571, UST No. RA-5020)
2236 Old US Highway 1Apex, Wake County, North Carolina
1,3,5-trimethylbenzenebenzeneacetone1,2,4-rimethylbenzenedi-isopropyl etherethylbenzenesec-butylbenzene4-isopropyltoluenemethylene chloridemethyl ethyl ketone1,2-dibromoethane 1,2-dichloroethaneAnalytical Method
2L Standards
MW-3
MW-4
MW-1
MW-2
Monitor Well Damaged - Not Sampled
Monitor Well Damaged - Not Sampled
µg/L = micrograms per liter.
Gross Contamination Levels
NOTES:
Monitor Well Not Sampled - Approximately 0.5 inches of Free Product
Monitor Well Not Sampled
DW-1
APPENDIX A
HISTORICAL DATA
NCDEQ; 26571_Former Union 76 Gasoline Station CATLIN Project No. 220217 CATLIN Engineers and Scientists July 2023
Sample ID Date
Collected
3/17/2004 12.3 8.9 BDL 1.4 BDL 4 BDL 0.8 BDL 2.9
6/14/2005 31 BDL BDL BDL BDL 4.6 0.87 3.3 BDL 5.6
6/29/2006 39 10 BDL BDL BDL 7.8 BDL BDL BDL 18
6/9/2010 24.7 14 0.57 BDL BDL 6 BDL 2.5 BDL 8.6
3/24/2015 5.9 3.1 BDL BDL BDL BDL BDL BDL BDL BDL
4/25/2019
6/14/2005 5.9 BDL BDL 1.3 BDL 1.7 0.68 2.9 0.66 5.6
4/25/2019
6/14/2005 1.7 BDL BDL BDL 8.7 BDL BDL BDL BDL BDL
6/29/2006 4.7 BDL BDL 31 BDL 1.7 BDL BDL BDL 4.3
4/25/2019
6/14/2005 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL
6/29/2005 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL
4/25/2019
6/14/2005 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL
4/25/2019
6/14/2005 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL
4/25/2019
6/14/2005 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL
6/28/2006 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL
4/25/2019 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL
6/14/2005 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL
6/28/2006 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL
3/24/2015 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL
4/25/2019
6/14/2005 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL
6/28/2006 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL
6/10/2013 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL
3/24/2015 BDL BDL BDL BDL BDL BDL BDL BDL BDL BDL
4/25/2019
1 0.4 70 70 20 6 600 400 400 500
5,000 400 70,000 25,000 20,000 6,000 260,000 28,500 25,000 85,500
NOTES:
Water supply wells WSW-1, WSW-2, and WSW-3 are inactive.
2L Standards: 15A NCAC 2L Groundwater Standards.
Only detected constituents are shown for the method.
Constituents in BOLD were reported at concentrations above the laboratory analytical method detection limits.
Constituents in BOLD and shaded were reported at concentrations above the North Carolina 2L Standards.
Constituents in BOLD, shaded and underlined were reported at concentrations above the Gross Contamination Levels.
BDL: Below Detection Limit
Not Sampled
Not Sampled
Not Sampled
Not Sampled
Not Sampled
Not Sampled
Not Sampled
Not Sampled
Constituent of Concern
µg/L = micrograms per liter.
S&ME Project No. 4305-19-052A
2L Standards isopropylbenzeneWSW-5
WSW-6
WSW-7
WSW-8
WSW-9
WSW-1
WSW-2
WSW-3
WSW-4
Gross Contamination Levels
Analytical Method
benzene1,2-dichloroethaneVolatile Organic Compounds by EPA Method 6200B
(µg/l)1,3,5-trimethylbenzenemethyl tert-butyl ethernaphthalene1,2,4-trimethylbenzenetotal xylenesdi-isopropyl ethertolueneTABLE 5
Summary of Water Supply Well Analytical Results
Former Union 76 (Incident No. 26571, UST No. RA-5020)
2236 Old US Highway 1
Apex, Wake County, North Carolina
APPENDIX A
HISTORICAL DATA
NCDEQ; 26571_Former Union 76 Gasoline Station CATLIN Project No. 220217 CATLIN Engineers and Scientists July 2023
Adjacent Property Owners Page 1 of 1
Map ID Parcel Number Location Usage
Distance from source
area of release
(feet)
Site 720998487 2236 Old US Highway 1, Apex, NC Residential SITE
1 730091779 1001 Red Cardinal Lane, Apex, NC Residential 300' N
2 720993901 0 Humie Olive Road, Apex, NC Vacant 400' NW
3 720992587 7528 Humie Olive Rd., Apex, NC Residential 200' SW
4 720993254 0 Humie Olive Road, Apex, NC Vacant 190' SW
5 720995061 2300 Old US Highway 1, Apex, NC Residential 200' SW
6 720988751 7628 Vaudry Court, Apex, NC Residential 130' S
7 720999210 2237 Old US Highway 1, Apex, NC Commercial 120' S
8 730009122 2217 Old US Highway 1, Apex, NC Residential 300' SE
Public and Private Water Supply Wells within 500 Feet of Property Boundary
Map ID /Well
ID Parcel Number Well Owner Property Address Owner Address Phone Number Well Use Well Depth
(ft bgs)
Well Casing
Depth
(ft. bgs)
Well Screen Interval
Distance from source area of
release
(feet)
Comment
WSW-1 730009122 David Ray Powell 2236 Old US Highway 1 524 Lapis Lane, Cary, NC 919-387-0848 Inactive 300 44 Unknown 150 Feet N Inactive water supply well
WSW-2 730009122 David Ray Powell 2236 Old US Highway 1 524 Lapis Lane, Cary, NC 919-387-0848 Inactive Unknown Unknown Unknown 200 Feet NW Hand-dug well formerly labled as WSW-HD.
WSW-3 720999210 Miller Land Group LLC
(Vicious Fishes Brewery) 2237 Old US Highway 1 1922 Napoli Dr, Apex, NC 919-362-8972 Inactive Unknown Unknown Unknown 250 Feet SE Well is inactive - site is connected with municipal water -
located at McNeil's Grocery Site - TF-6891
WSW-4 720992587 Shelba Clem 7528 Humie Olive Rd., Apex, NC 7528 Humie Olive Rd., Apex, NC 919-328-4812 Active Unknown Unknown Unknown 400 Feet NW
WSW-5 730009122 Joyce Kelly 2217 Old US Highway 1, Apex, NC 2217 Old US Highway 1, Apex, NC 919-387-8543 Active Unknown Unknown Unknown 480 Feet SE
WSW-6 730009122 Joyce Kelly 2217 Old US Highway 1, Apex, NC 2217 Old US Highway 1, Apex, NC 919-387-8543 Active Unknown Unknown Unknown 500 Feet SE
WSW-7 730095707 Frances Bullock 3116 Holland Road, Apex, NC 3116 Holland Road, Apex, NC 919-362-8313 Active Unknown Unknown Unknown 950 Feet NE
WSW-8 720995061 Richere Levert 2300 Old US Highway 1, Apex, NC 7628 Vaudry Court, Apex, NC 919-363-8906 Active Unknown Unknown Unknown 500 Feet SW
WSW-9 720988751 Richere Levert 7628 Vaudry Court, Apex, NC 7628 Vaudry Court, Apex, NC 919-363-8906 Active Unknown Unknown Unknown 400 Feet SW
WSW-10 730091779 Johnny Pendergraft 1001 Red Cardinal Lane, Apex, NC 2212 Old US Highway 1, Apex, NC 919-362-7487 Active Unknown Unknown Unknown 480 Feet NE
WSW-12 731001087 Joanne Hearn 1005 Red Cardnial Lane, Apex, NC 1115 Dycus Road, Sanford, NC 919-775-5391 Active Unknown Unknown Unknown 900 Feet NE
WSW-13 730097826 Walter McClamb 3113 Holland Road, Apex, NC P.O. Box 243, Apex, NC 919-362-7313 Active Unknown Unknown Unknown 1,100 Feet NE
WSW-15 730096271 Johnny and Penny Roberts 3000 Friendship Road, Apex, NC 3000 Friendship Road, Apex, NC 919-303-8535 Active Unknown Unknown Unknown 900 Feet E
WSW-17 730098773 Walter McClamb 3113 Holland Road, Apex, NC 2124 Old US Highway 1, Apex, NC 919-362-7313 Active Unknown Unknown Unknown 950 Feet NE
P-1 730009122 David Ray Powell 2236 Old US Highway 1 524 Lapis Lane, Cary, NC 919-387-0848 210 Feet SE Surface water feature located on adjacent parcel to SE
P-2 730009122 Joyce Kelly 2217 Old US Highway 1, Apex, NC 2217 Old US Highway 1, Apex, NC 919-387-0848 150 Feet N Surface water feature located on Former Union 76 Site to
the north.
Notes:
ft. bgs - Feet Below Ground Surface
Refer to Figure 3 for Adjacent Property Owner and Water Supply Well Location Map.
Property address information obtained from the Wake County GIS website on April 16, 2015.
Water Supply Well information is taken from previous reports prepared by Groundwater Management Associates (GMA), dated August 16, 2006, and Crawford Environmental Services, dated August 23, 2013.
Vacant property to the southwest
Residential property to the southwest
Adjacent proprety to the south - TF-XXX McNeil's Grocery Site
Adjacent property to the south/southwest
Residential property to the southwest
TABLE 6
Receptor Information and Adjacent Property Owners
Former Union 76 (Incident No. 26571, RA-5020)
2236 Old US Highway 1, Apex, Wake County, North Carolina
S&ME Project No. 4305-19-052A
Description Contact/Telephone Number Comment
Former Union 76 Property (TF-26571) and occupied house David Ray Powell / 919-387-0848 SITE
Vicious Fishes Brewery Miller Land Group, LLC / 919-362-8972
Residential Johnny Pendergraft / 919-362-7487 Adjoining residential property to the north and east
Vacant - Undeveloped NDJ Ventures, LLC / 919-362-9285 Ajoining residential property to the west
Residential Richere Levert / 919-363-8906
Residential David Clem / 919-328-4812
Vacant - Undeveloped David Ray Powell / 919-387-0848
Residential Richere Levert / 919-363-8906
Residential Joyce Kelly / 919-387-8543 Adjacent proprety to the southeast
Not Applicable
Not Applicable
APPENDIX A
HISTORICAL DATA
NCDEQ; 26571_Former Union 76 Gasoline Station CATLIN Project No. 220217 CATLIN Engineers and Scientists July 2023

NCDEQ; 26571_Former Union 76 Gasoline Station CATLIN Engineers and Scientists
CATLIN Project No. 220217 July 2023

APPENDIX B SITE PHOTOGRAPHS

APPENDIX B SITE PHOTOGRAPHS – APRIL 11, 2023
NCDEQ; 26571_Union 76 Gasoline Station CATLIN Engineers and Scientists
CATLIN Project No. 220217 July 2023

View of site, facing northwest.

View of AFVR Set-up, facing northwest.
APPENDIX B SITE PHOTOGRAPHS – APRIL 11, 2023
NCDEQ; 26571_Union 76 Gasoline Station CATLIN Engineers and Scientists
CATLIN Project No. 220217 July 2023

View of vacuum truck, facing north.

View of MW-1, facing west-southwest.
APPENDIX B SITE PHOTOGRAPHS – APRIL 11, 2023
NCDEQ; 26571_Union 76 Gasoline Station CATLIN Engineers and Scientists
CATLIN Project No. 220217 July 2023

View of MW-2, facing northwest.

View of MW-3R, facing northwest.
APPENDIX B SITE PHOTOGRAPHS – APRIL 11, 2023
NCDEQ; 26571_Union 76 Gasoline Station CATLIN Engineers and Scientists
CATLIN Project No. 220217 July 2023

View of DW-1, facing northwest.
APPENDIX B SITE PHOTOGRAPHS – MAY 10, 2023
NCDEQ; 26571_Union 76 Gasoline Station CATLIN Engineers and Scientists
CATLIN Project No. 220217 July 2023

View of the site, facing northeast.

View of MW-1, facing northwest.
APPENDIX B SITE PHOTOGRAPHS – MAY 10, 2023
NCDEQ; 26571_Union 76 Gasoline Station CATLIN Engineers and Scientists
CATLIN Project No. 220217 July 2023

View of MW-2, facing north.

View of MW-3R, facing northwest.
APPENDIX B SITE PHOTOGRAPHS – MAY 10, 2023
NCDEQ; 26571_Union 76 Gasoline Station CATLIN Engineers and Scientists
CATLIN Project No. 220217 July 2023

View of MW-4R, facing northeast.

View of MW-5, facing northeast.
APPENDIX B SITE PHOTOGRAPHS – MAY 10, 2023
NCDEQ; 26571_Union 76 Gasoline Station CATLIN Engineers and Scientists
CATLIN Project No. 220217 July 2023

View of MW-6, facing west.

View of MW-7, facing north-northeast.
APPENDIX B SITE PHOTOGRAPHS – MAY 10, 2023
NCDEQ; 26571_Union 76 Gasoline Station CATLIN Engineers and Scientists
CATLIN Project No. 220217 July 2023

View of DW-1, facing north.

NCDEQ; 26571_Former Union 76 Gasoline Station CATLIN Engineers and Scientists
CATLIN Project No. 220217 July 2023

APPENDIX C

JOB HAZARD ANALYSES
AND FIELD DATA SHEETS
Source Exposure Limit
Groundwater and/or soil vapor 0.5 ppm TLV-TWA ACGIH
Groundwater and/or soil vapor 100 ppm TLV-TWA ACGIH
Groundwater and/or soil vapor 20 ppm TLV-TWA ACGIH
Groundwater and/or soil vapor 100 ppm TLV-TWA ACGIH
Groundwater and/or soil vapor 50 ppm TLV-TWA ACGIH
Groundwater and/or soil vapor 10 ppm TLV-TWA ACGIH
Source Exposure Limit
atmosphere N/A
atmosphere N/A
surroundings N/A
Vacuum Truck 85 dBA TWA ACGIH
Exposure Potential
Likely
Unlikely
Unlikely
Start Stop
6:30 6:45
6:45 7:00
7:00 16:45
16:45 17:45
Date and Time:
4/11/23 @ 07:00
Site-Specific Job Hazard Analysis
Operational Phase Task/Operation Location Where Task/Operation Performed
Monitoring Enhanced Aggressive Fluid and Vapor Recovery (AFVR)Former Union 76 Gasoline Station, Apex, NC
ETHYL BENZENE ppm
Date(s) this JHA
Conducted:
4-11-2023
Employee Certifying this JHA
Print Name: Sean O'Neil, PE Signature:
Weather:Sunny, low 40s-mid 70s
Chemical Hazards
Potential Chemicals Concentration
BENZENE ppm
TOLUENE ppm
XYLENE, ALL ISOMERS ppm
METHYL TERT-BUTYL ETHER ppm
NAPHTHALENE ppm
* Gas and/or Diesel
Physical Hazards
Name of Physical Hazard Exposure Level/ Potential
Insect bites and stings surroundings
Cold Weather Operations Unlikely
Heat (ambient)Unlikely
Slips/Trips/Falls Likely
Noise Likely
Biological Hazards
Name of Biological Hazard Source
On-site health and safety briefing. Watch for cars in driveway and going down the road. Wear safety vest when
near road. Watch for ants and spiders when in and around wells. Wear hearing protection and be careful on and around vacuum truck to avoid slips, trips, and falls.
Snakes surroundings
Poison Plants (Ivy, Oak, and/or Sumac)surroundings
DAILY TASK
Truck #55 Mileage:Start: End:
Mob and travel to site.
Opened and gauged wells; assisted with set-up of extraction points. Used MW-1, -2, -3R, and DW-1 (sparge).
Supervise AFVR. Assist with break down connections, gauge wells, close up covers, take pictures. Needed to
wait until air quit escaping from DW-1 so the cap would stay on the well.
Travel to Apex and demob
PERSONNEL ONSITE
Name and Company (Print)Signature
Sandra Miller / CATLIN
Equipment Used:PPE D/Oil-Water Interface Probe/PID Meter
Source Exposure Limit
Groundwater and/or soil vapor 0.5 ppm TLV-TWA ACGIH
Groundwater and/or soil vapor 100 ppm TLV-TWA ACGIH
Groundwater and/or soil vapor 20 ppm TLV-TWA ACGIH
Groundwater and/or soil vapor 100 ppm TLV-TWA ACGIH
Groundwater and/or soil vapor 50 ppm TLV-TWA ACGIH
Groundwater and/or soil vapor 10 ppm TLV-TWA ACGIH
Source Exposure Limit
atmosphere N/A
atmosphere N/A
surroundings N/A
Roads N/A
Exposure Potential
Likely
Likely
Unlikely
Start Stop
10:30 10:45
10:45 14:45
14:45 16:15
Date and Time:
5/10/23 @ 10:45
Employee Certifying this JHA
Print Name: Sean O'Neil, P.E.Signature:
Operational Phase
Monitoring
Date(s) this JHA
Conducted:
5/10/2023
Site-Specific Job Hazard Analysis
Location Where Task/Operation Performed
Union 76 Gasoline Station, Apex, NC
Task/Operation
Gauge & Sample Monitoring Wells
METHYL TERT-BUTYL ETHER ppm
Traffic Likely
80s SunnyWeather:
ETHYL BENZENE
NAPHTHALENE ppm
Physical Hazards
Name of Physical Hazard Exposure Level/ Potential
* Gas and/or Diesel
ppm
TOLUENE ppm
XYLENE, ALL ISOMERS ppm
Chemical Hazards
Potential Chemicals Concentration
BENZENE ppm
Nate Newman / CATLIN
Safety Meeting on site. Watch for insects, spiders and snakes. Practice safe housekeeping to avoid slips, trips
and falls. Wear PPE including safety vest when in and around parking lot and road.
Biological Hazards
Name of Biological Hazard Source
Poison Plants (Ivy, Oak, and/or Sumac)surroundings
Insect bites and stings surroundings
Snakes surroundings
End:
DAILY TASK
PERSONNEL ONSITE
Name and Company (Print)Signature
Equipment Used:PPE D/Interface Probe/Sampling Supplies/Aqua Troll 600/Bailers
Opened, gauged, photographed, and sampled MW-1, MW-2, MW-3R, MW-4R, MW-5, and MW-6. Closed up
wells and cleaned up equipment. DTW in MW-6 may not be accurate due to PVC sinking.
Cold Weather Operations Unlikely
Heat (ambient)Likely
Slips/Trips/Falls Likely
Van #59 Mileage:
completed COC, obtained PO#, traveled to Pace to drop off prior and current samples, return to Raleigh office,
demob
Start:
P:\2020\220217 DEQ SLP - Union 76 Gasoline Station (Former)\Field Notes\TA04\Sampling\Union 76_GW_Sampling_Sheets
CATLIN PROJECT:SAMPLED BY:
CATLIN PROJECT # :DATE SAMPLED:
CLIENT'S NAME:
MW-1 5.03
14.97 0.821
NMT 2.463
20 4.104
2
Method:Bailer Purge Start Time:13:38
Required Bails for 3 Well Volumes:11 Purge Stop Time:13:40
Required Bails for 5 Well Volumes:18 Was Well Purged Dry?YES
Number of Bails Removed:3.25 Sample Time:13:48
Groundwater Removed (gal):0.8
Equipment Used:
Time
Specific
Cond.
(µS/cm)
Dissolved
Oxygen
(mg/L)
pH
(Standard
Units)
ORP
(mV)
Temperature
(Co)
Laboratory:Con-Test Analysis:6200B
Cloudy. Not enough water
for VuSitu readings.
Well Data
Well ID
N. Newman
5/10/2023
Depth to Product (ft below TOC)
Total Well Depth (ft)
Purging Information Information
Laboratory Analysis Information
GROUNDWATER SAMPLING FORM
Water Column (ft below TOC)
One Well Volume (gal)
Three Well Volumes (gal)
Five Well Volumes (gal)
Volume of Groundwater in Well
Aqua Troll 600
Turbidity and Additional
Sampling Notes
Well Diameter (inches)
Monitoring Well Information
Geochemical Parameters
Depth to Water (ft below TOC)
NCDEQ-SLP, Linda Blalock
Former Union 76 Gas Station
220217
NCDEQ; 26571_Former Union 76 Gasoline Station
CATLIN Project No. 220217
CATLIN Engineers and Scientists
July 2023
P:\2020\220217 DEQ SLP - Union 76 Gasoline Station (Former)\Field Notes\TA04\Sampling\Union 76_GW_Sampling_Sheets
CATLIN PROJECT:SAMPLED BY:
CATLIN PROJECT # :DATE SAMPLED:
CLIENT'S NAME:
MW-2 4.56
15.44 0.744
NMT 2.233
20 3.721
2
Method:Bailer Purge Start Time:11:33
Required Bails for 3 Well Volumes:10 Purge Stop Time:11:40
Required Bails for 5 Well Volumes:16 Was Well Purged Dry?YES
Number of Bails Removed:8 Sample Time:11:44
Groundwater Removed (gal):1.9
Equipment Used:
Time
Specific
Cond.
(µS/cm)
Dissolved
Oxygen
(mg/L)
pH
(Standard
Units)
ORP
(mV)
Temperature
(Co)
11:34 79.33 6.40 6.00 313.78 19.56
11:35 66.33 5.01 5.24 367.49 19.49
11:36 65.17 5.01 5.12 375.27 19.43
11:37 64.64 5.08 5.08 380.51 19.41
11:38 63.46 5.13 5.05 382.77 19.39
11:39 61.52 5.25 5.12 380.11 19.37
11:40 0.06 7.91 5.33 372.97 19.31
Laboratory:Con-Test Analysis:6200B
GROUNDWATER SAMPLING FORM
Monitoring Well Information
Well Data Volume of Groundwater in Well
Well ID Water Column (ft below TOC)
N. Newman
5/10/2023
NCDEQ-SLP, Linda Blalock
Former Union 76 Gas Station
220217
Depth to Water (ft below TOC)One Well Volume (gal)
Depth to Product (ft below TOC)Three Well Volumes (gal)
Total Well Depth (ft)Five Well Volumes (gal)
Laboratory Analysis Information
Well Diameter (inches)
Purging Information Information
Geochemical Parameters
Aqua Troll 600
Turbidity and Additional
Sampling Notes
high turbidity to start light
brown low turbidity at
sample. entire well shield
was an ant nest
NCDEQ; 26571_Former Union 76 Gasoline Station
CATLIN Project No. 220217
CATLIN Engineers and Scientists
July 2023
P:\2020\220217 DEQ SLP - Union 76 Gasoline Station (Former)\Field Notes\TA04\Sampling\Union 76_GW_Sampling_Sheets
CATLIN PROJECT:SAMPLED BY:
CATLIN PROJECT # :DATE SAMPLED:
CLIENT'S NAME:
MW-3R 4.96
15.04 0.809
NMT 2.428
20 4.047
2
Method:Bailer Purge Start Time:14:08
Required Bails for 3 Well Volumes:11 Purge Stop Time:14:12
Required Bails for 5 Well Volumes:17 Was Well Purged Dry?YES
Number of Bails Removed:3 Sample Time:14:20
Groundwater Removed (gal):0.7
Equipment Used:
Time
Specific
Cond.
(µS/cm)
Dissolved
Oxygen
(mg/L)
pH
(Standard
Units)
ORP
(mV)
Temperature
(Co)
Laboratory:Con-Test Analysis:6200B
GROUNDWATER SAMPLING FORM
Monitoring Well Information
Well Data Volume of Groundwater in Well
Well ID Water Column (ft below TOC)
N. Newman
5/10/2023
NCDEQ-SLP, Linda Blalock
Former Union 76 Gas Station
220217
Depth to Water (ft below TOC)One Well Volume (gal)
Depth to Product (ft below TOC)Three Well Volumes (gal)
Total Well Depth (ft)Five Well Volumes (gal)
Laboratory Analysis Information
Well Diameter (inches)
Purging Information Information
Geochemical Parameters
Aqua Troll 600
Turbidity and Additional
Sampling Notes
Cloudy. Not enough water
for VuSitu readings.
NCDEQ; 26571_Former Union 76 Gasoline Station
CATLIN Project No. 220217
CATLIN Engineers and Scientists
July 2023
P:\2020\220217 DEQ SLP - Union 76 Gasoline Station (Former)\Field Notes\TA04\Sampling\Union 76_GW_Sampling_Sheets
CATLIN PROJECT:SAMPLED BY:
CATLIN PROJECT # :DATE SAMPLED:
CLIENT'S NAME:
MW-4R 5.33
14.67 0.870
NMT 2.610
20 4.349
2
Method:Bailer Purge Start Time:13:30
Required Bails for 3 Well Volumes:11 Purge Stop Time:13:33
Required Bails for 5 Well Volumes:19 Was Well Purged Dry?YES
Number of Bails Removed:4.25 Sample Time:13:44
Groundwater Removed (gal):1.0
Equipment Used:
Time
Specific
Cond.
(µS/cm)
Dissolved
Oxygen
(mg/L)
pH
(Standard
Units)
ORP
(mV)
Temperature
(Co)
13:30 0.06 8.03 4.56 403.35 20.45
13:31 73.61 6.24 5.20 393.60 20.61
13:32 77.69 3.26 5.02 398.98 20.52
13:33 77.70 3.12 4.96 400.53 20.54
13:34 0.06 5.12 5.11 395.80 20.50
Laboratory:Con-Test Analysis:6200B
GROUNDWATER SAMPLING FORM
Monitoring Well Information
Well Data Volume of Groundwater in Well
Well ID Water Column (ft below TOC)
N. Newman
5/10/2023
NCDEQ-SLP, Linda Blalock
Former Union 76 Gas Station
220217
Depth to Water (ft below TOC)One Well Volume (gal)
Depth to Product (ft below TOC)Three Well Volumes (gal)
Total Well Depth (ft)Five Well Volumes (gal)
Laboratory Analysis Information
Well Diameter (inches)
Purging Information Information
Geochemical Parameters
Aqua Troll 600
Turbidity and Additional
Sampling Notes
Very turbid; red/brown.
NCDEQ; 26571_Former Union 76 Gasoline Station
CATLIN Project No. 220217
CATLIN Engineers and Scientists
July 2023
P:\2020\220217 DEQ SLP - Union 76 Gasoline Station (Former)\Field Notes\TA04\Sampling\Union 76_GW_Sampling_Sheets
CATLIN PROJECT:SAMPLED BY:
CATLIN PROJECT # :DATE SAMPLED:
CLIENT'S NAME:
MW-5 6.69
13.31 1.092
NMT 3.275
20 5.459
2
Method:Bailer Purge Start Time:13:00
Required Bails for 3 Well Volumes:14 Purge Stop Time:13:05
Required Bails for 5 Well Volumes:23 Was Well Purged Dry?No
Number of Bails Removed:14 Sample Time:13:06
Groundwater Removed (gal):3.4
Equipment Used:
Time
Specific
Cond.
(µS/cm)
Dissolved
Oxygen
(mg/L)
pH
(Standard
Units)
ORP
(mV)
Temperature
(Co)
13:00 0.00 6.98 4.91 418.05 29.93
13:01 392.61 7.21 4.82 356.44 24.08
13:02 609.97 5.40 4.63 380.90 19.90
13:03 635.59 5.46 4.42 399.16 19.17
13:04 655.09 5.49 4.37 406.07 18.82
Laboratory:Con-Test Analysis:6200B
GROUNDWATER SAMPLING FORM
Monitoring Well Information
Well Data Volume of Groundwater in Well
Well ID Water Column (ft below TOC)
N. Newman
5/10/2023
NCDEQ-SLP, Linda Blalock
Former Union 76 Gas Station
220217
Depth to Water (ft below TOC)One Well Volume (gal)
Depth to Product (ft below TOC)Three Well Volumes (gal)
Total Well Depth (ft)Five Well Volumes (gal)
Laboratory Analysis Information
Well Diameter (inches)
Purging Information Information
Geochemical Parameters
Aqua Troll 600
Turbidity and Additional
Sampling Notes
Moderate turbidity; light red-
brown.
NCDEQ; 26571_Former Union 76 Gasoline Station
CATLIN Project No. 220217
CATLIN Engineers and Scientists
July 2023
P:\2020\220217 DEQ SLP - Union 76 Gasoline Station (Former)\Field Notes\TA04\Sampling\Union 76_GW_Sampling_Sheets
CATLIN PROJECT:SAMPLED BY:
CATLIN PROJECT # :DATE SAMPLED:
CLIENT'S NAME:
MW-6 7.71
12.29 1.258
NMT 3.775
20 6.291
2
Method:Bailer Purge Start Time:13:12
Required Bails for 3 Well Volumes:16 Purge Stop Time:13:18
Required Bails for 5 Well Volumes:27 Was Well Purged Dry?No
Number of Bails Removed:16 Sample Time:13:19
Groundwater Removed (gal):3.8
Equipment Used:
Time
Specific
Cond.
(µS/cm)
Dissolved
Oxygen
(mg/L)
pH
(Standard
Units)
ORP
(mV)
Temperature
(Co)
13:11 1.20 8.08 3.90 420.22 19.75
13:12 0.06 7.95 5.11 375.14 19.84
13:13 85.64 5.45 5.23 372.90 19.25
13:14 84.11 5.42 5.20 376.52 19.03
13:15 78.07 5.68 5.15 381.08 19.02
13:16 77.01 5.87 5.15 383.41 19.04
Laboratory:Con-Test Analysis:6200B
GROUNDWATER SAMPLING FORM
Monitoring Well Information
Well Data Volume of Groundwater in Well
Well ID Water Column (ft below TOC)
N. Newman
5/10/2023
NCDEQ-SLP, Linda Blalock
Former Union 76 Gas Station
220217
Depth to Water (ft below TOC)One Well Volume (gal)
Depth to Product (ft below TOC)Three Well Volumes (gal)
Total Well Depth (ft)Five Well Volumes (gal)
Laboratory Analysis Information
Well Diameter (inches)
Purging Information Information
Geochemical Parameters
Aqua Troll 600
Turbidity and Additional
Sampling Notes
Moderate turbidity; light
brown.
NCDEQ; 26571_Former Union 76 Gasoline Station
CATLIN Project No. 220217
CATLIN Engineers and Scientists
July 2023
P:\2020\220217 DEQ SLP - Union 76 Gasoline Station (Former)\Field Notes\TA04\Sampling\Union 76_GW_Sampling_Sheets
CATLIN PROJECT:SAMPLED BY:
CATLIN PROJECT # :DATE SAMPLED:
CLIENT'S NAME:
MW-7 4.57
15.43 0.746
NMT 2.237
20 3.729
2
Method:Bailer Purge Start Time:13:54
Required Bails for 3 Well Volumes:10 Purge Stop Time:14:02
Required Bails for 5 Well Volumes:16 Was Well Purged Dry?No
Number of bails removed 10 Sample Time:14:04
Groundwater Removed (gal):2.4
Equipment Used:
Time
Specific
Cond.
(µS/cm)
Dissolved
Oxygen
(mg/L)
pH
(Standard
Units)
ORP
(mV)
Temperature
(Co)
13:55 62.18 6.49 5.58 323.10 21.34
13:56 61.30 5.11 4.96 363.45 20.16
13:57 59.79 5.07 4.70 384.11 19.95
13:58 60.35 5.07 4.57 392.75 19.90
13:59 60.40 5.08 4.50 396.59 19.94
14:00 60.44 5.09 4.49 399.61 19.95
14:01 59.86 5.11 4.48 404.08 19.98
Laboratory:Con-Test Analysis:6200B
GROUNDWATER SAMPLING FORM
Monitoring Well Information
Well Data Volume of Groundwater in Well
Well ID Water Column (ft below TOC)
N. Newman
5/10/2023
NCDEQ-SLP, Linda Blalock
Former Union 76 Gas Station
220217
Depth to Water (ft below TOC)One Well Volume (gal)
Depth to Product (ft below TOC)Three Well Volumes (gal)
Total Well Depth (ft)Five Well Volumes (gal)
Laboratory Analysis Information
Well Diameter (inches)
Purging Information Information
Geochemical Parameters
Aqua Troll 600
Turbidity and Additional
Sampling Notes
Turbid; light brown.
NCDEQ; 26571_Former Union 76 Gasoline Station
CATLIN Project No. 220217
CATLIN Engineers and Scientists
July 2023
P:\2020\220217 DEQ SLP - Union 76 Gasoline Station (Former)\Field Notes\TA04\Sampling\Union 76_GW_Sampling_Sheets
CATLIN PROJECT:SAMPLED BY:
CATLIN PROJECT # :DATE SAMPLED:
CLIENT'S NAME:
DW-1 24.41
15.59 3.984
NMT 11.951
40 19.918
2
Method:Bailer Purge Start Time:10:58
Required Bails for 3 Well Volumes:49 Purge Stop Time:11:20
Required Bails for 5 Well Volumes:83 Was Well Purged Dry?No
Number of Bails Removed:49 Sample Time:11:20
Groundwater Removed (gal):11.8
Equipment Used:
Time
Specific
Cond.
(µS/cm)
Dissolved
Oxygen
(mg/L)
pH
(Standard
Units)
ORP
(mV)
Temperature
(Co)
11:00 382.21 3.20 8.51 107.25 20.35
11:01 384.36 3.14 8.70 91.55 20.15
11:02 368.95 3.18 8.79 97.58 20.14
11:03 369.34 3.24 8.85 108.65 20.12
11:04 370.34 3.26 8.86 117.49 19.98
11:05 346.43 3.36 8.71 124.41 19.90
11:06 315.12 3.80 8.30 139.35 19.84
11:07 302.93 3.96 8.01 154.91 19.80
11:08 277.33 4.08 7.78 166.01 19.76
11:09 262.04 4.25 7.56 177.09 19.74
11:10 214.79 4.54 7.32 189.48 19.73
11:11 191.14 4.67 7.17 200.76 19.67
11:12 175.16 4.73 7.06 210.59 19.67
11:13 183.31 4.78 6.97 219.09 19.64
11:14 175.63 4.84 6.89 227.44 19.61
11:15 168.69 4.83 6.82 235.33 19.60
11:16 163.64 4.83 6.76 242.90 19.59
11:17 156.04 4.85 6.71 249.30 19.58
11:18 150.19 4.88 6.66 255.37 19.59
Laboratory:Con-Test Analysis:6200B
GROUNDWATER SAMPLING FORM
Monitoring Well Information
Well Data Volume of Groundwater in Well
Well ID Water Column (ft below TOC)
N. Newman
5/10/2023
NCDEQ-SLP, Linda Blalock
Former Union 76 Gas Station
220217
Depth to Water (ft below TOC)One Well Volume (gal)
Depth to Product (ft below TOC)Three Well Volumes (gal)
Total Well Depth (ft)Five Well Volumes (gal)
Laboratory Analysis Information
Well Diameter (inches)
Purging Information Information
Geochemical Parameters
Aqua Troll 600
Turbidity and Additional
Sampling Notes
mild turbidity light brown
NCDEQ; 26571_Former Union 76 Gasoline Station
CATLIN Project No. 220217
CATLIN Engineers and Scientists
July 2023

NCDEQ; 26571_Former Union 76 Gasoline Station CATLIN Engineers and Scientists
CATLIN Project No. 220217 July 2023

APPENDIX D

ENHANCED AFVR
EMISSIONS CALCULATIONS
Page 1 of 2
DESCRIBE SOIL IN THE SATURATED ZONE: Unknown
IDENTIFY THE WELL AND THE I.D. OF EACH WELL USED FOR AFVR: MW-1, MW-2, MW-3R, and DW-1 (used for air sparging)
PROVIDE BLOWER SPECIFICATIONS OF THE VACUUM TRUCK (cfm @ in Hg): 20" Hg
COORDINATES USED FOR HUMIDITY RATIO CALCUALTIONS (Bwsw) (Lat, Long, Elev): 35.698863° Lat, -78.899473° Long, 390 Feet Elev.
DRY STANDARD CUBIC FEET PER MINUTE (DSCFM) AIR FLOW CALCULATIONS (Qstd)
Time Meas. Vacuum AVP Velocity Pipe ID Temp.RH Bwsw Bws Qstd flow
(in Hg)(in Hg)(ft/min)(in)(°F)(%)(grainsH2O/lbAir)(% v/v)(DSCFM)
7:45 20 9.92 89 6 56 87 58.82898433 0.990 0.1888:00 20 9.92 114 6 59 100 75.62132604 0.992 0.1868:15 20 9.92 155 6 60 100 78.41939209 0.992 0.2448:30 20 9.92 244 6 96 100 268.5184185 0.998 0.106
8:45 20 9.92 188 6 104 100 347.4820822 0.998 0.062
9:00 20 9.92 168 6 107 100 382.3877694 0.998 0.050
9:15 20 9.92 173 6 108 100 394.7476079 0.998 0.050
9:30 20 9.92 192 6 122 100 614.1798478 0.999 0.0359:45 21 8.92 187 6 127 100 718.8416614 0.999 0.02910:15 21 8.92 144 6 132 100 841.718831 0.999 0.01910:45 21 8.92 201 6 141 100 1121.537327 0.999 0.019
11:15 21 8.92 227 6 143 100 1196.397238 0.999 0.020
11:45 21 8.92 219 6 146 100 1319.204808 1.000 0.018
12:15 20 9.92 183 6 149 100 1456.265729 1.000 0.013
12:45 20 9.92 142 6 155 100 1782.305939 1.000 0.00813:15 20 9.92 174 6 156 100 1844.596821 1.000 0.01013:45 20 9.92 157 6 158 100 1977.146455 1.000 0.00814:15 20 9.92 142 6 159 100 2047.710242 1.000 0.007
14:45 20 9.92 254 6 158 100 1977.146455 1.000 0.013
15:15 20 9.92 201 6 114 100 477.3692697 0.999 0.047
15:45 20 9.92 187 6 160 100 2121.356476 1.000 0.009
NOTESAVP = Absolute Vacuum Pressure Qstd = Flow at DSCFM
Measured Vacuum = The level of vacuum being applied (should be recorded from the vacuum truck tank in inches of Hg)
Velocity = The rate at which air flow is measured at the blower discharge piping (anemometer or pitot tube)
Pipe ID = The inside diameter of the blower discharge piping (from the vacuum truck)
Temperature = The temperature of the air stream exiting the blower discharge piping (dry bulb temp., in °F)
RH = The % relative humidity of the air stream exiting the blower discharge piping
Bwsw = Humidity Ratio (i.e. grains of water per lb of dry air, derived from the Psychrometric chart or calculator (dry bulb temp. vs. RH)
Bws = water vapor % by volume
EQUATIONS
AVP = Standard Pressure (29.92 in Hg) - Measured Vacuum
Bws = (Bwsw/18 lb-mole H2O)/[(1/28.84 lb-mole dry air) + (Bwsw/18 lb-mole H2O)]
Qstd = (1-Water Vapor) * velocity * [PI * (diameter/24)2] * [528°R/(Temp + 460)] * (AVP/29.92)
INDICATE AVERAGE HYDRAULIC CONDUCTIVITY (if known): Unknown
AGGRESSIVE FLUID VAPOR RECOVERY (AFVR)
SITE NAME: Former Union 76 Gasoline Station
INCIDENT NUMBER: 26571
AVERAGE DEPTH TO GROUNDWATER: 16.7' Below Top of Casing
SDC Group, Inc.; AFVR_field calc_4-11-23\Calc
AFVR Calculations
CATLIN Engineers and Scientists
July 2023
Page 2 of 2
EMISSION CALCULATIONS
Elapsed QstdTimeFlow PPMmeasured PPMwet PPMdry K PPMconc Cc:m Cc PMRc PMRg PMR
(min)(DSCFM)(ppm)(#C - gas)(mg/dsm3)(lb/dscf)(lb/hr)(lb/hr)(lb)
0 0.188 3209 3209 305680 4 1222720 610090 0.038 0.429 0.496 0.000
15 0.186 1117 1117 136455 4 545821 272343 0.017 0.190 0.220 0.055
30 0.244 919 919 116387 4 465548 232291 0.015 0.212 0.246 0.061
45 0.106 647 647 279003 4 1116013 556848 0.035 0.220 0.255 0.064
60 0.062 747 747 416634 4 1666538 831538 0.052 0.193 0.223 0.056750.050 765 765 469458 4 1877831 936965 0.058 0.176 0.203 0.051900.050 761 761 482073 4 1928293 962144 0.060 0.180 0.208 0.052
105 0.035 1035 1035 1019529 4 4078118 2034823 0.127 0.265 0.306 0.153
120 0.029 733 733 844961 4 3379846 1686412 0.105 0.181 0.209 0.052
150 0.019 577 577 778731 4 3114924 1554227 0.097 0.109 0.126 0.094
180 0.019 569 569 1023035 4 4092139 2041819 0.127 0.147 0.171 0.085
210 0.020 433 433 830448 4 3321793 1657446 0.103 0.126 0.146 0.0732400.018 381 381 805685 4 3222741 1608023 0.100 0.107 0.124 0.0622700.013 379 379 884685 4 3538740 1765695 0.110 0.088 0.102 0.051
300 0.008 390 390 1114094 4 4456374 2223559 0.139 0.070 0.081 0.081
330 0.010 405 405 1197364 4 4789456 2389753 0.149 0.089 0.103 0.051
360 0.008 433 433 1372103 4 5488410 2738505 0.171 0.085 0.099 0.049
390 0.007 437 437 1434185 4 5736738 2862411 0.179 0.078 0.090 0.045
420 0.013 418 418 1324570 4 5298280 2643637 0.165 0.133 0.154 0.0774500.047 424 424 324721 4 1298884 648093 0.040 0.115 0.133 0.0674800.009 410 410 1393953 4 5575811 2782114 0.174 0.096 0.111 0.055
Total emissions in pounds = 1.335
Total emissions in gallons = 0.214
NOTES
PPMmeasured = Actual measurements (ppm) taken with a OVA, PID, or TVA at the blower discharge piping
PPMwet = "wet" concentration
PPMdry = "dry" concentration
K = Number of carbons in calibration gas: (Methane K = 1, or Propane K = 3, or Isobutene K = 4, or Hexane K = 6)
PPMc= PPMv, Volumetric concentration of VOC emissions as carbon, dry basis at STP
Cc:m = mg/dsm3, mass concentration of VOC emissions as carbon
Mc = 12.01 mg/mg-mole, molecular weight of carbon
K3 = 24.07 dsm3/106 mg-mole, mass to volume conversion factor at STP
Cc = lb/dcsf, mass concentration of VOC emissions as carbon, dry basis at STP
PMRc = lb/hr, pollutant mass removal rate of VOCs as carbon
PMRg = lb/hr, pollutant mass removal rate of VOCs as gasoline
PMR = lb, pollutant mass removal of VOCs as gasoline
EQUATIONS
PPMwet = PPMmeasured
PPMdry = (PPMwet)/(1-Bws)
PPMconc = (PPMdry)(K)
Cc:m = (PPMconc)(Mc / K3)
Cc = (Cc:m)(62.43x10-9 lb-m3/mg-ft3)
PMRc = (Cc)(Qstd)(60 min/hr)
PMRg = (PMRc)(Mg/Mcg)
PMR = (PMRg)(#minutes/60)
SDC Group, Inc.; AFVR_field calc_4-11-23\Calc
AFVR Calculations
CATLIN Engineers and Scientists
July 2023

NCDEQ; 26571_Former Union 76 Gasoline Station CATLIN Engineers and Scientists
CATLIN Project No. 220217 July 2023

APPENDIX E

DISPOSAL DOCUMENTS

NCDEQ; 26571_Former Union 76 Gasoline Station CATLIN Engineers and Scientists
CATLIN Project No. 220217 July 2023

APPENDIX F

LABORATORY ANALYTICAL REPORT AND
CHAIN OF CUSTODY DOCUMENT

39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
May 22, 2023
Sean O’Neil
CATLIN Engineers & Scientists
1044 Washington Street
Raleigh, NC 27605
Project Location: Apex, NC
Client Job Number:
Project Number: 220217.04
Laboratory Work Order Number: 23E1563
Enclosed are results of analyses for samples as received by the laboratory on May 11, 2023. If you have any questions
concerning this report, please feel free to contact me.
Sincerely,
Kaitlyn A. Feliciano
Project Manager
Table of Contents
Sample Summary 3
Hits Only Report 4
Case Narrative 7
Sample Results 8
23E1563-01 8
23E1563-02 10
23E1563-03 12
23E1563-04 14
23E1563-05 16
23E1563-06 18
23E1563-07 20
23E1563-08 22
23E1563-09 24
23E1563-10 26
Sample Preparation Information 28
QC Data 29
Volatile Organic Compounds by GC/MS 29
B340215 29
B340343 33
B340602 37
Flag/Qualifier Summary 41
Certifications 42
Chain of Custody/Sample Receipt 44
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
ANALYTICAL SUMMARY
5/22/2023
CATLIN Engineers & Scientists
1044 Washington Street
Raleigh, NC 27605
ATTN: Sean O’Neil
220217.04
23E1563
The results of analyses performed on the following samples submitted to the CON-TEST Analytical Laboratory are found in this report.
PROJECT LOCATION:
PURCHASE ORDER NUMBER:
PROJECT NUMBER:
REPORT DATE:
WORK ORDER NUMBER:
FIELD SAMPLE #LAB ID:MATRIX TESTSAMPLE DESCRIPTION SUB LAB
Apex, NC
230510-7
MW-1 23E1563-01 Ground Water SM21-23 6200B
MW-2 23E1563-02 Ground Water SM21-23 6200B
MW-3R 23E1563-03 Ground Water SM21-23 6200B
MW-4R 23E1563-04 Ground Water SM21-23 6200B
MW-5 23E1563-05 Ground Water SM21-23 6200B
MW-6 23E1563-06 Ground Water SM21-23 6200B
MW-7 23E1563-07 Ground Water SM21-23 6200B
DW-1 23E1563-08 Ground Water SM21-23 6200B
Eq. Rinse 23E1563-09 Ground Water SM21-23 6200B
Trip Blank 23E1563-10 Trip Blank Water SM21-23 6200B
[TOC_1]Sample Summary[TOC]
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
[TOC_1]Hits Only Report[TOC]EXECUTIVE SUMMARY
Client ID:Lab ID:23E1563-06MW-6
No Results Detected
Con-Test does not accept liability for the consequences of any actions taken solely on the basis of the information provided in the Executive Summary
section of this report. Users must review this report in its entirety to determine data usability and assessment.
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
EXECUTIVE SUMMARY
Client ID:Lab ID:
Analyte Results/Qual RL Units Method
23E1563-01MW-1
DL
1,2,4-Trimethylbenzene 130 10 g/L SM21-23 6200B4.0
1,3,5-Trimethylbenzene 57 10 g/L SM21-23 6200B3.0
2-Butanone (MEK)51 100 g/L SM21-23 6200BJ34
Acetone 59 1000 g/L SM21-23 6200BJ40
Benzene 1400 10 g/L SM21-23 6200B3.7
Diisopropyl Ether (DIPE)8.0 10 g/L SM21-23 6200BJ4.0
Ethylbenzene 150 10 g/L SM21-23 6200B4.4
Isopropylbenzene (Cumene)8.6 10 g/L SM21-23 6200BJ3.0
m+p Xylene 750 20 g/L SM21-23 6200B9.8
Naphthalene 28 10 g/L SM21-23 6200B7.6
n-Butylbenzene 3.0 10 g/L SM21-23 6200BJ3.0
n-Propylbenzene 9.4 10 g/L SM21-23 6200BJ2.5
o-Xylene 380 10 g/L SM21-23 6200B4.9
p-Isopropyltoluene (p-Cymene)3.6 10 g/L SM21-23 6200BJ2.5
Toluene 1400 10 g/L SM21-23 6200B4.5
Client ID:Lab ID:
Analyte Results/Qual RL Units Method
23E1563-02MW-2
DL
1,2-Dichloroethane 2.1 0.50 g/L SM21-23 6200B0.30
Acetone 2.6 50 g/L SM21-23 6200BJ2.0
Client ID:Lab ID:
Analyte Results/Qual RL Units Method
23E1563-03MW-3R
DL
1,2,4-Trimethylbenzene 130 2.0 g/L SM21-23 6200B0.80
1,2-Dibromoethane (EDB)8.5 2.0 g/L SM21-23 6200B0.64
1,2-Dichloroethane 45 4.0 g/L SM21-23 6200B1.2
1,3,5-Trimethylbenzene 81 2.0 g/L SM21-23 6200B0.60
2-Hexanone (MBK)17 20 g/L SM21-23 6200BJ4.8
4-Methyl-2-pentanone (MIBK)10 20 g/L SM21-23 6200BJ5.3
Benzene 290 2.0 g/L SM21-23 6200B0.74
Diisopropyl Ether (DIPE)1.6 2.0 g/L SM21-23 6200BJ0.81
Ethylbenzene 23 2.0 g/L SM21-23 6200B0.88
Isopropylbenzene (Cumene)2.3 2.0 g/L SM21-23 6200B0.60
m+p Xylene 250 4.0 g/L SM21-23 6200B2.0
Naphthalene 23 2.0 g/L SM21-23 6200B1.5
n-Butylbenzene 1.7 2.0 g/L SM21-23 6200BJ0.60
n-Propylbenzene 2.1 2.0 g/L SM21-23 6200B0.50
o-Xylene 230 2.0 g/L SM21-23 6200B0.97
p-Isopropyltoluene (p-Cymene)1.5 2.0 g/L SM21-23 6200BJ0.51
sec-Butylbenzene 0.92 2.0 g/L SM21-23 6200BJ0.51
Toluene 49 2.0 g/L SM21-23 6200B0.89
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
Client ID:Lab ID:
Analyte Results/Qual RL Units Method
23E1563-04MW-4R
DL
1,2,4-Trimethylbenzene 2000 50 g/L SM21-23 6200B20
1,3,5-Trimethylbenzene 620 50 g/L SM21-23 6200B15
2-Butanone (MEK)290 500 g/L SM21-23 6200BJ170
Acetone 230 5000 g/L SM21-23 6200BJ200
Benzene 840 50 g/L SM21-23 6200B18
Ethylbenzene 1800 50 g/L SM21-23 6200B22
Isopropylbenzene (Cumene)99 50 g/L SM21-23 6200B15
m+p Xylene 7700 100 g/L SM21-23 6200B49
Naphthalene 430 50 g/L SM21-23 6200B38
n-Butylbenzene 47 50 g/L SM21-23 6200BJ15
n-Propylbenzene 230 50 g/L SM21-23 6200B12
o-Xylene 4200 50 g/L SM21-23 6200B24
Toluene 9900 50 g/L SM21-23 6200B22
Client ID:Lab ID:
Analyte Results/Qual RL Units Method
23E1563-05MW-5
DL
Acetone 2.7 50 g/L SM21-23 6200BJ2.0
Client ID:Lab ID:
Analyte Results/Qual RL Units Method
23E1563-07MW-7
DL
Acetone 2.9 50 g/L SM21-23 6200BJ2.0
Client ID:Lab ID:
Analyte Results/Qual RL Units Method
23E1563-08DW-1
DL
1,2-Dichloroethane 0.82 0.50 g/L SM21-23 6200B0.30
Acetone 3.4 50 g/L SM21-23 6200BJ2.0
p-Isopropyltoluene (p-Cymene)0.34 0.50 g/L SM21-23 6200BJ0.13
Client ID:Lab ID:
Analyte Results/Qual RL Units Method
23E1563-09Eq. Rinse
DL
Acetone 9.6 50 g/L SM21-23 6200BJ2.0
Client ID:Lab ID:
Analyte Results/Qual RL Units Method
23E1563-10Trip Blank
DL
Acetone 2.9 50 g/L SM21-23 6200BJ2.0
Con-Test does not accept liability for the consequences of any actions taken solely on the basis of the information provided in the Executive Summary
section of this report. Users must review this report in its entirety to determine data usability and assessment.
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
CASE NARRATIVE SUMMARY
All reported results are within defined laboratory quality control objectives unless listed below or otherwise qualified in this report.
For method 6200B elevated reporting limits for samples 23E1563-01,03+04 due to high concentrations of target compounds.
[TOC_1]Case Narrative[TOC]
SM21-23 6200B
Qualifications:
Laboratory fortified blank duplicate RPD is outside of control limits. Reduced precision is anticipated for any reported value for this
compound.
Analyte & Samples(s) Qualified:
R-05
1,2,3-Trichloropropane
23E1563-01[MW-1], 23E1563-04[MW-4R], 23E1563-05[MW-5], 23E1563-06[MW-6], 23E1563-07[MW-7], 23E1563-08[DW-1], 23E1563-09[Eq. Rinse], 23E1563-10[Trip
Blank], B340215-BLK1, B340215-BS1, B340215-BSD1, S087472-CCV1
Elevated reporting limit due to high concentration of target compounds.
Analyte & Samples(s) Qualified:
RL-11
23E1563-01[MW-1], 23E1563-03[MW-3R], 23E1563-04[MW-4R]
The results of analyses reported only relate to samples submitted to the Con-Test Analytical Laboratory for testing.
I certify that the analyses listed above, unless specifically listed as subcontracted, if any, were performed under my direction according to the approved methodologies listed
in this document, and that based upon my inquiry of those individuals immediately responsible for obtaining the information, the material contained in this report is, to the
best of my knowledge and belief, accurate and complete.
Meghan E. Kelley
Reporting Specialist
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
Date Received: 5/11/2023
Work Order: 23E1563Sample Description:Project Location: Apex, NC
Sample ID: 23E1563-01
Field Sample #: MW-1
Sample Matrix: Ground Water
Sampled: 5/10/2023 13:48
[TOC_2]23E1563-01[TOC]
AnalystAnalyzedDilutionFlag/QualRLResultsAnalyte
Date/Time
DL Units
Date
PreparedMethod
Sample Flags: RL-11 Volatile Organic Compounds by GC/MS
59 1000 5/16/23 3:49 MFFg/L40 5/15/23SM21-23 6200B20JAcetone
1400 10 5/16/23 3:49 MFFg/L3.7 5/15/23SM21-23 6200B20Benzene
ND 10 5/16/23 3:49 MFFg/L3.0 5/15/23SM21-23 6200B20Bromobenzene
ND 10 5/16/23 3:49 MFFg/L5.7 5/15/23SM21-23 6200B20Bromochloromethane
ND 10 5/16/23 3:49 MFFg/L3.2 5/15/23SM21-23 6200B20Bromodichloromethane
ND 10 5/16/23 3:49 MFFg/L8.2 5/15/23SM21-23 6200B20Bromoform
ND 40 5/16/23 3:49 MFFg/L26 5/15/23SM21-23 6200B20Bromomethane
51 100 5/16/23 3:49 MFFg/L34 5/15/23SM21-23 6200B20J2-Butanone (MEK)
3.0 10 5/16/23 3:49 MFFg/L3.0 5/15/23SM21-23 6200B20Jn-Butylbenzene
ND 10 5/16/23 3:49 MFFg/L2.5 5/15/23SM21-23 6200B20sec-Butylbenzene
ND 10 5/16/23 3:49 MFFg/L2.8 5/15/23SM21-23 6200B20tert-Butylbenzene
ND 10 5/16/23 3:49 MFFg/L3.3 5/15/23SM21-23 6200B20Carbon Tetrachloride
ND 10 5/16/23 3:49 MFFg/L2.4 5/15/23SM21-23 6200B20Chlorobenzene
ND 1000 5/16/23 3:49 MFFg/L410 5/15/23SM21-23 6200B20Ethanol
ND 10 5/16/23 3:49 MFFg/L4.0 5/15/23SM21-23 6200B20Chlorodibromomethane
ND 10 5/16/23 3:49 MFFg/L6.8 5/15/23SM21-23 6200B20Chloroethane
ND 10 5/16/23 3:49 MFFg/L2.8 5/15/23SM21-23 6200B20Chloroform
ND 12 5/16/23 3:49 MFFg/L10 5/15/23SM21-23 6200B20Chloromethane
ND 10 5/16/23 3:49 MFFg/L3.1 5/15/23SM21-23 6200B202-Chlorotoluene
ND 10 5/16/23 3:49 MFFg/L3.1 5/15/23SM21-23 6200B204-Chlorotoluene
ND 10 5/16/23 3:49 MFFg/L3.2 5/15/23SM21-23 6200B201,2-Dibromoethane (EDB)
ND 10 5/16/23 3:49 MFFg/L2.6 5/15/23SM21-23 6200B201,2-Dichlorobenzene
ND 10 5/16/23 3:49 MFFg/L2.7 5/15/23SM21-23 6200B201,3-Dichlorobenzene
ND 10 5/16/23 3:49 MFFg/L2.6 5/15/23SM21-23 6200B201,4-Dichlorobenzene
ND 10 5/16/23 3:49 MFFg/L3.2 5/15/23SM21-23 6200B20Dichlorodifluoromethane (Freon 12)
ND 10 5/16/23 3:49 MFFg/L2.7 5/15/23SM21-23 6200B201,1-Dichloroethane
ND 10 5/16/23 3:49 MFFg/L6.1 5/15/23SM21-23 6200B201,2-Dichloroethane
ND 10 5/16/23 3:49 MFFg/L2.8 5/15/23SM21-23 6200B201,1-Dichloroethylene
ND 10 5/16/23 3:49 MFFg/L2.8 5/15/23SM21-23 6200B20cis-1,2-Dichloroethylene
ND 10 5/16/23 3:49 MFFg/L3.4 5/15/23SM21-23 6200B20trans-1,2-Dichloroethylene
ND 10 5/16/23 3:49 MFFg/L3.9 5/15/23SM21-23 6200B201,2-Dichloropropane
ND 10 5/16/23 3:49 MFFg/L2.3 5/15/23SM21-23 6200B201,3-Dichloropropane
ND 10 5/16/23 3:49 MFFg/L7.0 5/15/23SM21-23 6200B202,2-Dichloropropane
ND 10 5/16/23 3:49 MFFg/L3.0 5/15/23SM21-23 6200B201,1-Dichloropropene
ND 10 5/16/23 3:49 MFFg/L3.3 5/15/23SM21-23 6200B20cis-1,3-Dichloropropene
ND 10 5/16/23 3:49 MFFg/L2.8 5/15/23SM21-23 6200B20trans-1,3-Dichloropropene
8.0 10 5/16/23 3:49 MFFg/L4.0 5/15/23SM21-23 6200B20JDiisopropyl Ether (DIPE)
150 10 5/16/23 3:49 MFFg/L4.4 5/15/23SM21-23 6200B20Ethylbenzene
ND 100 5/16/23 3:49 MFFg/L24 5/15/23SM21-23 6200B202-Hexanone (MBK)
8.6 10 5/16/23 3:49 MFFg/L3.0 5/15/23SM21-23 6200B20JIsopropylbenzene (Cumene)
3.6 10 5/16/23 3:49 MFFg/L2.5 5/15/23SM21-23 6200B20Jp-Isopropyltoluene (p-Cymene)
ND 10 5/16/23 3:49 MFFg/L3.4 5/15/23SM21-23 6200B20Methyl tert-Butyl Ether (MTBE)
ND 100 5/16/23 3:49 MFFg/L3.5 5/15/23SM21-23 6200B20Methylene Chloride
ND 100 5/16/23 3:49 MFFg/L26 5/15/23SM21-23 6200B204-Methyl-2-pentanone (MIBK)
[TOC_1]Sample Results[TOC]
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
Date Received: 5/11/2023
Work Order: 23E1563Sample Description:Project Location: Apex, NC
Sample ID: 23E1563-01
Field Sample #: MW-1
Sample Matrix: Ground Water
Sampled: 5/10/2023 13:48
AnalystAnalyzedDilutionFlag/QualRLResultsAnalyte
Date/Time
DL Units
Date
PreparedMethod
Sample Flags: RL-11 Volatile Organic Compounds by GC/MS
28 10 5/16/23 3:49 MFFg/L7.6 5/15/23SM21-23 6200B20Naphthalene
9.4 10 5/16/23 3:49 MFFg/L2.5 5/15/23SM21-23 6200B20Jn-Propylbenzene
ND 10 5/16/23 3:49 MFFg/L3.0 5/15/23SM21-23 6200B20Styrene
ND 10 5/16/23 3:49 MFFg/L2.7 5/15/23SM21-23 6200B201,1,2,2-Tetrachloroethane
ND 10 5/16/23 3:49 MFFg/L3.4 5/15/23SM21-23 6200B20Tetrachloroethylene
1400 10 5/16/23 3:49 MFFg/L4.5 5/15/23SM21-23 6200B20Toluene
ND 20 5/16/23 3:49 MFFg/L6.8 5/15/23SM21-23 6200B201,2,3-Trichlorobenzene
ND 20 5/16/23 3:49 MFFg/L6.0 5/15/23SM21-23 6200B201,2,4-Trichlorobenzene
ND 10 5/16/23 3:49 MFFg/L3.0 5/15/23SM21-23 6200B201,1,1-Trichloroethane
ND 10 5/16/23 3:49 MFFg/L3.8 5/15/23SM21-23 6200B201,1,2-Trichloroethane
ND 10 5/16/23 3:49 MFFg/L3.5 5/15/23SM21-23 6200B20Trichloroethylene
ND 10 5/16/23 3:49 MFFg/L3.1 5/15/23SM21-23 6200B20Trichlorofluoromethane (Freon 11)
ND 10 5/16/23 3:49 MFFg/L5.5 5/15/23SM21-23 6200B20R-051,2,3-Trichloropropane
130 10 5/16/23 3:49 MFFg/L4.0 5/15/23SM21-23 6200B201,2,4-Trimethylbenzene
57 10 5/16/23 3:49 MFFg/L3.0 5/15/23SM21-23 6200B201,3,5-Trimethylbenzene
ND 400 5/16/23 3:49 MFFg/L33 5/15/23SM21-23 6200B20Vinyl Acetate
ND 10 5/16/23 3:49 MFFg/L4.7 5/15/23SM21-23 6200B20Vinyl Chloride
750 20 5/16/23 3:49 MFFg/L9.8 5/15/23SM21-23 6200B20m+p Xylene
380 10 5/16/23 3:49 MFFg/L4.9 5/15/23SM21-23 6200B20o-Xylene
Surrogates % Recovery Recovery Limits Flag/Qual
1,2-Dichloroethane-d4 89.6 5/16/23 3:4970-130
Toluene-d8 97.1 5/16/23 3:4970-130
4-Bromofluorobenzene 94.7 5/16/23 3:4970-130
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
Date Received: 5/11/2023
Work Order: 23E1563Sample Description:Project Location: Apex, NC
Sample ID: 23E1563-02
Field Sample #: MW-2
Sample Matrix: Ground Water
Sampled: 5/10/2023 11:44
[TOC_2]23E1563-02[TOC]
AnalystAnalyzedDilutionFlag/QualRLResultsAnalyte
Date/Time
DL Units
Date
PreparedMethod
Volatile Organic Compounds by GC/MS
2.6 50 5/19/23 0:16 MFFg/L2.0 5/18/23SM21-23 6200B1JAcetone
ND 0.50 5/19/23 0:16 MFFg/L0.18 5/18/23SM21-23 6200B1Benzene
ND 0.50 5/19/23 0:16 MFFg/L0.15 5/18/23SM21-23 6200B1Bromobenzene
ND 0.50 5/19/23 0:16 MFFg/L0.28 5/18/23SM21-23 6200B1Bromochloromethane
ND 0.50 5/19/23 0:16 MFFg/L0.16 5/18/23SM21-23 6200B1Bromodichloromethane
ND 0.50 5/19/23 0:16 MFFg/L0.41 5/18/23SM21-23 6200B1Bromoform
ND 2.0 5/19/23 0:16 MFFg/L1.3 5/18/23SM21-23 6200B1Bromomethane
ND 5.0 5/19/23 0:16 MFFg/L1.7 5/18/23SM21-23 6200B12-Butanone (MEK)
ND 0.50 5/19/23 0:16 MFFg/L0.15 5/18/23SM21-23 6200B1n-Butylbenzene
ND 0.50 5/19/23 0:16 MFFg/L0.13 5/18/23SM21-23 6200B1sec-Butylbenzene
ND 0.50 5/19/23 0:16 MFFg/L0.14 5/18/23SM21-23 6200B1tert-Butylbenzene
ND 0.50 5/19/23 0:16 MFFg/L0.16 5/18/23SM21-23 6200B1Carbon Tetrachloride
ND 0.50 5/19/23 0:16 MFFg/L0.12 5/18/23SM21-23 6200B1Chlorobenzene
ND 50 5/19/23 0:16 MFFg/L20 5/18/23SM21-23 6200B1Ethanol
ND 0.50 5/19/23 0:16 MFFg/L0.20 5/18/23SM21-23 6200B1Chlorodibromomethane
ND 0.50 5/19/23 0:16 MFFg/L0.34 5/18/23SM21-23 6200B1Chloroethane
ND 0.50 5/19/23 0:16 MFFg/L0.14 5/18/23SM21-23 6200B1Chloroform
ND 0.60 5/19/23 0:16 MFFg/L0.50 5/18/23SM21-23 6200B1Chloromethane
ND 0.50 5/19/23 0:16 MFFg/L0.15 5/18/23SM21-23 6200B12-Chlorotoluene
ND 0.50 5/19/23 0:16 MFFg/L0.15 5/18/23SM21-23 6200B14-Chlorotoluene
ND 0.50 5/19/23 0:16 MFFg/L0.16 5/18/23SM21-23 6200B11,2-Dibromoethane (EDB)
ND 0.50 5/19/23 0:16 MFFg/L0.13 5/18/23SM21-23 6200B11,2-Dichlorobenzene
ND 0.50 5/19/23 0:16 MFFg/L0.14 5/18/23SM21-23 6200B11,3-Dichlorobenzene
ND 0.50 5/19/23 0:16 MFFg/L0.13 5/18/23SM21-23 6200B11,4-Dichlorobenzene
ND 0.50 5/19/23 0:16 MFFg/L0.16 5/18/23SM21-23 6200B1Dichlorodifluoromethane (Freon 12)
ND 0.50 5/19/23 0:16 MFFg/L0.14 5/18/23SM21-23 6200B11,1-Dichloroethane
2.1 0.50 5/19/23 0:16 MFFg/L0.30 5/18/23SM21-23 6200B11,2-Dichloroethane
ND 0.50 5/19/23 0:16 MFFg/L0.14 5/18/23SM21-23 6200B11,1-Dichloroethylene
ND 0.50 5/19/23 0:16 MFFg/L0.14 5/18/23SM21-23 6200B1cis-1,2-Dichloroethylene
ND 0.50 5/19/23 0:16 MFFg/L0.17 5/18/23SM21-23 6200B1trans-1,2-Dichloroethylene
ND 0.50 5/19/23 0:16 MFFg/L0.19 5/18/23SM21-23 6200B11,2-Dichloropropane
ND 0.50 5/19/23 0:16 MFFg/L0.12 5/18/23SM21-23 6200B11,3-Dichloropropane
ND 0.50 5/19/23 0:16 MFFg/L0.35 5/18/23SM21-23 6200B12,2-Dichloropropane
ND 0.50 5/19/23 0:16 MFFg/L0.15 5/18/23SM21-23 6200B11,1-Dichloropropene
ND 0.50 5/19/23 0:16 MFFg/L0.16 5/18/23SM21-23 6200B1cis-1,3-Dichloropropene
ND 0.50 5/19/23 0:16 MFFg/L0.14 5/18/23SM21-23 6200B1trans-1,3-Dichloropropene
ND 0.50 5/19/23 0:16 MFFg/L0.20 5/18/23SM21-23 6200B1Diisopropyl Ether (DIPE)
ND 0.50 5/19/23 0:16 MFFg/L0.22 5/18/23SM21-23 6200B1Ethylbenzene
ND 5.0 5/19/23 0:16 MFFg/L1.2 5/18/23SM21-23 6200B12-Hexanone (MBK)
ND 0.50 5/19/23 0:16 MFFg/L0.15 5/18/23SM21-23 6200B1Isopropylbenzene (Cumene)
ND 0.50 5/19/23 0:16 MFFg/L0.13 5/18/23SM21-23 6200B1p-Isopropyltoluene (p-Cymene)
ND 0.50 5/19/23 0:16 MFFg/L0.17 5/18/23SM21-23 6200B1Methyl tert-Butyl Ether (MTBE)
ND 5.0 5/19/23 0:16 MFFg/L0.18 5/18/23SM21-23 6200B1Methylene Chloride
ND 5.0 5/19/23 0:16 MFFg/L1.3 5/18/23SM21-23 6200B14-Methyl-2-pentanone (MIBK)
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
Date Received: 5/11/2023
Work Order: 23E1563Sample Description:Project Location: Apex, NC
Sample ID: 23E1563-02
Field Sample #: MW-2
Sample Matrix: Ground Water
Sampled: 5/10/2023 11:44
AnalystAnalyzedDilutionFlag/QualRLResultsAnalyte
Date/Time
DL Units
Date
PreparedMethod
Volatile Organic Compounds by GC/MS
ND 0.50 5/19/23 0:16 MFFg/L0.38 5/18/23SM21-23 6200B1Naphthalene
ND 0.50 5/19/23 0:16 MFFg/L0.12 5/18/23SM21-23 6200B1n-Propylbenzene
ND 0.50 5/19/23 0:16 MFFg/L0.15 5/18/23SM21-23 6200B1Styrene
ND 0.50 5/19/23 0:16 MFFg/L0.14 5/18/23SM21-23 6200B11,1,2,2-Tetrachloroethane
ND 0.50 5/19/23 0:16 MFFg/L0.17 5/18/23SM21-23 6200B1Tetrachloroethylene
ND 0.50 5/19/23 0:16 MFFg/L0.22 5/18/23SM21-23 6200B1Toluene
ND 1.0 5/19/23 0:16 MFFg/L0.34 5/18/23SM21-23 6200B11,2,3-Trichlorobenzene
ND 1.0 5/19/23 0:16 MFFg/L0.30 5/18/23SM21-23 6200B11,2,4-Trichlorobenzene
ND 0.50 5/19/23 0:16 MFFg/L0.15 5/18/23SM21-23 6200B11,1,1-Trichloroethane
ND 0.50 5/19/23 0:16 MFFg/L0.19 5/18/23SM21-23 6200B11,1,2-Trichloroethane
ND 0.50 5/19/23 0:16 MFFg/L0.17 5/18/23SM21-23 6200B1Trichloroethylene
ND 0.50 5/19/23 0:16 MFFg/L0.15 5/18/23SM21-23 6200B1Trichlorofluoromethane (Freon 11)
ND 0.50 5/19/23 0:16 MFFg/L0.28 5/18/23SM21-23 6200B11,2,3-Trichloropropane
ND 0.50 5/19/23 0:16 MFFg/L0.20 5/18/23SM21-23 6200B11,2,4-Trimethylbenzene
ND 0.50 5/19/23 0:16 MFFg/L0.15 5/18/23SM21-23 6200B11,3,5-Trimethylbenzene
ND 20 5/19/23 0:16 MFFg/L1.7 5/18/23SM21-23 6200B1Vinyl Acetate
ND 0.50 5/19/23 0:16 MFFg/L0.24 5/18/23SM21-23 6200B1Vinyl Chloride
ND 1.0 5/19/23 0:16 MFFg/L0.49 5/18/23SM21-23 6200B1m+p Xylene
ND 0.50 5/19/23 0:16 MFFg/L0.24 5/18/23SM21-23 6200B1o-Xylene
Surrogates % Recovery Recovery Limits Flag/Qual
1,2-Dichloroethane-d4 97.8 5/19/23 0:1670-130
Toluene-d8 98.7 5/19/23 0:1670-130
4-Bromofluorobenzene 93.7 5/19/23 0:1670-130
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
Date Received: 5/11/2023
Work Order: 23E1563Sample Description:Project Location: Apex, NC
Sample ID: 23E1563-03
Field Sample #: MW-3R
Sample Matrix: Ground Water
Sampled: 5/10/2023 14:20
[TOC_2]23E1563-03[TOC]
AnalystAnalyzedDilutionFlag/QualRLResultsAnalyte
Date/Time
DL Units
Date
PreparedMethod
Sample Flags: RL-11 Volatile Organic Compounds by GC/MS
ND 200 5/18/23 6:34 EEHg/L8.0 5/15/23SM21-23 6200B4Acetone
290 2.0 5/18/23 6:34 EEHg/L0.74 5/15/23SM21-23 6200B4Benzene
ND 2.0 5/18/23 6:34 EEHg/L0.59 5/15/23SM21-23 6200B4Bromobenzene
ND 2.0 5/18/23 6:34 EEHg/L1.1 5/15/23SM21-23 6200B4Bromochloromethane
ND 2.0 5/18/23 6:34 EEHg/L0.63 5/15/23SM21-23 6200B4Bromodichloromethane
ND 2.0 5/18/23 6:34 EEHg/L1.6 5/15/23SM21-23 6200B4Bromoform
ND 8.0 5/18/23 6:34 EEHg/L5.3 5/15/23SM21-23 6200B4Bromomethane
ND 20 5/18/23 6:34 EEHg/L6.7 5/15/23SM21-23 6200B42-Butanone (MEK)
1.7 2.0 5/18/23 6:34 EEHg/L0.60 5/15/23SM21-23 6200B4Jn-Butylbenzene
0.92 2.0 5/18/23 6:34 EEHg/L0.51 5/15/23SM21-23 6200B4Jsec-Butylbenzene
ND 2.0 5/18/23 6:34 EEHg/L0.57 5/15/23SM21-23 6200B4tert-Butylbenzene
ND 2.0 5/18/23 6:34 EEHg/L0.65 5/15/23SM21-23 6200B4Carbon Tetrachloride
ND 2.0 5/18/23 6:34 EEHg/L0.48 5/15/23SM21-23 6200B4Chlorobenzene
ND 200 5/18/23 6:34 EEHg/L81 5/15/23SM21-23 6200B4Ethanol
ND 2.0 5/18/23 6:34 EEHg/L0.80 5/15/23SM21-23 6200B4Chlorodibromomethane
ND 2.0 5/18/23 6:34 EEHg/L1.4 5/15/23SM21-23 6200B4Chloroethane
ND 2.0 5/18/23 6:34 EEHg/L0.56 5/15/23SM21-23 6200B4Chloroform
ND 2.4 5/18/23 6:34 EEHg/L2.0 5/15/23SM21-23 6200B4Chloromethane
ND 2.0 5/18/23 6:34 EEHg/L0.62 5/15/23SM21-23 6200B42-Chlorotoluene
ND 2.0 5/18/23 6:34 EEHg/L0.62 5/15/23SM21-23 6200B44-Chlorotoluene
8.5 2.0 5/18/23 6:34 EEHg/L0.64 5/15/23SM21-23 6200B41,2-Dibromoethane (EDB)
ND 2.0 5/18/23 6:34 EEHg/L0.52 5/15/23SM21-23 6200B41,2-Dichlorobenzene
ND 2.0 5/18/23 6:34 EEHg/L0.55 5/15/23SM21-23 6200B41,3-Dichlorobenzene
ND 2.0 5/18/23 6:34 EEHg/L0.51 5/15/23SM21-23 6200B41,4-Dichlorobenzene
ND 2.0 5/18/23 6:34 EEHg/L0.64 5/15/23SM21-23 6200B4Dichlorodifluoromethane (Freon 12)
ND 2.0 5/18/23 6:34 EEHg/L0.55 5/15/23SM21-23 6200B41,1-Dichloroethane
45 4.0 5/18/23 6:34 EEHg/L1.2 5/15/23SM21-23 6200B41,2-Dichloroethane
ND 2.0 5/18/23 6:34 EEHg/L0.56 5/15/23SM21-23 6200B41,1-Dichloroethylene
ND 2.0 5/18/23 6:34 EEHg/L0.56 5/15/23SM21-23 6200B4cis-1,2-Dichloroethylene
ND 2.0 5/18/23 6:34 EEHg/L0.69 5/15/23SM21-23 6200B4trans-1,2-Dichloroethylene
ND 2.0 5/18/23 6:34 EEHg/L0.77 5/15/23SM21-23 6200B41,2-Dichloropropane
ND 2.0 5/18/23 6:34 EEHg/L0.46 5/15/23SM21-23 6200B41,3-Dichloropropane
ND 2.0 5/18/23 6:34 EEHg/L1.4 5/15/23SM21-23 6200B42,2-Dichloropropane
ND 2.0 5/18/23 6:34 EEHg/L0.60 5/15/23SM21-23 6200B41,1-Dichloropropene
ND 2.0 5/18/23 6:34 EEHg/L0.65 5/15/23SM21-23 6200B4cis-1,3-Dichloropropene
ND 2.0 5/18/23 6:34 EEHg/L0.57 5/15/23SM21-23 6200B4trans-1,3-Dichloropropene
1.6 2.0 5/18/23 6:34 EEHg/L0.81 5/15/23SM21-23 6200B4JDiisopropyl Ether (DIPE)
23 2.0 5/18/23 6:34 EEHg/L0.88 5/15/23SM21-23 6200B4Ethylbenzene
17 20 5/18/23 6:34 EEHg/L4.8 5/15/23SM21-23 6200B4J2-Hexanone (MBK)
2.3 2.0 5/18/23 6:34 EEHg/L0.60 5/15/23SM21-23 6200B4Isopropylbenzene (Cumene)
1.5 2.0 5/18/23 6:34 EEHg/L0.51 5/15/23SM21-23 6200B4Jp-Isopropyltoluene (p-Cymene)
ND 2.0 5/18/23 6:34 EEHg/L0.68 5/15/23SM21-23 6200B4Methyl tert-Butyl Ether (MTBE)
ND 20 5/18/23 6:34 EEHg/L0.71 5/15/23SM21-23 6200B4Methylene Chloride
10 20 5/18/23 6:34 EEHg/L5.3 5/15/23SM21-23 6200B4J4-Methyl-2-pentanone (MIBK)
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
Date Received: 5/11/2023
Work Order: 23E1563Sample Description:Project Location: Apex, NC
Sample ID: 23E1563-03
Field Sample #: MW-3R
Sample Matrix: Ground Water
Sampled: 5/10/2023 14:20
AnalystAnalyzedDilutionFlag/QualRLResultsAnalyte
Date/Time
DL Units
Date
PreparedMethod
Sample Flags: RL-11 Volatile Organic Compounds by GC/MS
23 2.0 5/18/23 6:34 EEHg/L1.5 5/15/23SM21-23 6200B4Naphthalene
2.1 2.0 5/18/23 6:34 EEHg/L0.50 5/15/23SM21-23 6200B4n-Propylbenzene
ND 2.0 5/18/23 6:34 EEHg/L0.60 5/15/23SM21-23 6200B4Styrene
ND 2.0 5/18/23 6:34 EEHg/L0.55 5/15/23SM21-23 6200B41,1,2,2-Tetrachloroethane
ND 2.0 5/18/23 6:34 EEHg/L0.67 5/15/23SM21-23 6200B4Tetrachloroethylene
49 2.0 5/18/23 6:34 EEHg/L0.89 5/15/23SM21-23 6200B4Toluene
ND 4.0 5/18/23 6:34 EEHg/L1.4 5/15/23SM21-23 6200B41,2,3-Trichlorobenzene
ND 2.0 5/18/23 6:34 EEHg/L1.2 5/15/23SM21-23 6200B41,2,4-Trichlorobenzene
ND 2.0 5/18/23 6:34 EEHg/L0.60 5/15/23SM21-23 6200B41,1,1-Trichloroethane
ND 2.0 5/18/23 6:34 EEHg/L0.76 5/15/23SM21-23 6200B41,1,2-Trichloroethane
ND 2.0 5/18/23 6:34 EEHg/L0.70 5/15/23SM21-23 6200B4Trichloroethylene
ND 2.0 5/18/23 6:34 EEHg/L0.62 5/15/23SM21-23 6200B4Trichlorofluoromethane (Freon 11)
ND 2.0 5/18/23 6:34 EEHg/L1.1 5/15/23SM21-23 6200B41,2,3-Trichloropropane
130 2.0 5/18/23 6:34 EEHg/L0.80 5/15/23SM21-23 6200B41,2,4-Trimethylbenzene
81 2.0 5/18/23 6:34 EEHg/L0.60 5/15/23SM21-23 6200B41,3,5-Trimethylbenzene
ND 80 5/18/23 6:34 EEHg/L6.7 5/15/23SM21-23 6200B4Vinyl Acetate
ND 2.0 5/18/23 6:34 EEHg/L0.95 5/15/23SM21-23 6200B4Vinyl Chloride
250 4.0 5/18/23 6:34 EEHg/L2.0 5/15/23SM21-23 6200B4m+p Xylene
230 2.0 5/18/23 6:34 EEHg/L0.97 5/15/23SM21-23 6200B4o-Xylene
Surrogates % Recovery Recovery Limits Flag/Qual
1,2-Dichloroethane-d4 103 5/18/23 6:3470-130
Toluene-d8 99.3 5/18/23 6:3470-130
4-Bromofluorobenzene 102 5/18/23 6:3470-130
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
Date Received: 5/11/2023
Work Order: 23E1563Sample Description:Project Location: Apex, NC
Sample ID: 23E1563-04
Field Sample #: MW-4R
Sample Matrix: Ground Water
Sampled: 5/10/2023 13:44
[TOC_2]23E1563-04[TOC]
AnalystAnalyzedDilutionFlag/QualRLResultsAnalyte
Date/Time
DL Units
Date
PreparedMethod
Sample Flags: RL-11 Volatile Organic Compounds by GC/MS
230 5000 5/16/23 5:10 MFFg/L200 5/15/23SM21-23 6200B100JAcetone
840 50 5/16/23 5:10 MFFg/L18 5/15/23SM21-23 6200B100Benzene
ND 50 5/16/23 5:10 MFFg/L15 5/15/23SM21-23 6200B100Bromobenzene
ND 50 5/16/23 5:10 MFFg/L28 5/15/23SM21-23 6200B100Bromochloromethane
ND 50 5/16/23 5:10 MFFg/L16 5/15/23SM21-23 6200B100Bromodichloromethane
ND 50 5/16/23 5:10 MFFg/L41 5/15/23SM21-23 6200B100Bromoform
ND 200 5/16/23 5:10 MFFg/L130 5/15/23SM21-23 6200B100Bromomethane
290 500 5/16/23 5:10 MFFg/L170 5/15/23SM21-23 6200B100J2-Butanone (MEK)
47 50 5/16/23 5:10 MFFg/L15 5/15/23SM21-23 6200B100Jn-Butylbenzene
ND 50 5/16/23 5:10 MFFg/L13 5/15/23SM21-23 6200B100sec-Butylbenzene
ND 50 5/16/23 5:10 MFFg/L14 5/15/23SM21-23 6200B100tert-Butylbenzene
ND 50 5/16/23 5:10 MFFg/L16 5/15/23SM21-23 6200B100Carbon Tetrachloride
ND 50 5/16/23 5:10 MFFg/L12 5/15/23SM21-23 6200B100Chlorobenzene
ND 5000 5/16/23 5:10 MFFg/L2000 5/15/23SM21-23 6200B100Ethanol
ND 50 5/16/23 5:10 MFFg/L20 5/15/23SM21-23 6200B100Chlorodibromomethane
ND 50 5/16/23 5:10 MFFg/L34 5/15/23SM21-23 6200B100Chloroethane
ND 50 5/16/23 5:10 MFFg/L14 5/15/23SM21-23 6200B100Chloroform
ND 60 5/16/23 5:10 MFFg/L50 5/15/23SM21-23 6200B100Chloromethane
ND 50 5/16/23 5:10 MFFg/L15 5/15/23SM21-23 6200B1002-Chlorotoluene
ND 50 5/16/23 5:10 MFFg/L15 5/15/23SM21-23 6200B1004-Chlorotoluene
ND 50 5/16/23 5:10 MFFg/L16 5/15/23SM21-23 6200B1001,2-Dibromoethane (EDB)
ND 50 5/16/23 5:10 MFFg/L13 5/15/23SM21-23 6200B1001,2-Dichlorobenzene
ND 50 5/16/23 5:10 MFFg/L14 5/15/23SM21-23 6200B1001,3-Dichlorobenzene
ND 50 5/16/23 5:10 MFFg/L13 5/15/23SM21-23 6200B1001,4-Dichlorobenzene
ND 50 5/16/23 5:10 MFFg/L16 5/15/23SM21-23 6200B100Dichlorodifluoromethane (Freon 12)
ND 50 5/16/23 5:10 MFFg/L14 5/15/23SM21-23 6200B1001,1-Dichloroethane
ND 50 5/16/23 5:10 MFFg/L30 5/15/23SM21-23 6200B1001,2-Dichloroethane
ND 50 5/16/23 5:10 MFFg/L14 5/15/23SM21-23 6200B1001,1-Dichloroethylene
ND 50 5/16/23 5:10 MFFg/L14 5/15/23SM21-23 6200B100cis-1,2-Dichloroethylene
ND 50 5/16/23 5:10 MFFg/L17 5/15/23SM21-23 6200B100trans-1,2-Dichloroethylene
ND 50 5/16/23 5:10 MFFg/L19 5/15/23SM21-23 6200B1001,2-Dichloropropane
ND 50 5/16/23 5:10 MFFg/L12 5/15/23SM21-23 6200B1001,3-Dichloropropane
ND 50 5/16/23 5:10 MFFg/L35 5/15/23SM21-23 6200B1002,2-Dichloropropane
ND 50 5/16/23 5:10 MFFg/L15 5/15/23SM21-23 6200B1001,1-Dichloropropene
ND 50 5/16/23 5:10 MFFg/L16 5/15/23SM21-23 6200B100cis-1,3-Dichloropropene
ND 50 5/16/23 5:10 MFFg/L14 5/15/23SM21-23 6200B100trans-1,3-Dichloropropene
ND 50 5/16/23 5:10 MFFg/L20 5/15/23SM21-23 6200B100Diisopropyl Ether (DIPE)
1800 50 5/16/23 5:10 MFFg/L22 5/15/23SM21-23 6200B100Ethylbenzene
ND 500 5/16/23 5:10 MFFg/L120 5/15/23SM21-23 6200B1002-Hexanone (MBK)
99 50 5/16/23 5:10 MFFg/L15 5/15/23SM21-23 6200B100Isopropylbenzene (Cumene)
ND 50 5/16/23 5:10 MFFg/L13 5/15/23SM21-23 6200B100p-Isopropyltoluene (p-Cymene)
ND 50 5/16/23 5:10 MFFg/L17 5/15/23SM21-23 6200B100Methyl tert-Butyl Ether (MTBE)
ND 500 5/16/23 5:10 MFFg/L18 5/15/23SM21-23 6200B100Methylene Chloride
ND 500 5/16/23 5:10 MFFg/L130 5/15/23SM21-23 6200B1004-Methyl-2-pentanone (MIBK)
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
Date Received: 5/11/2023
Work Order: 23E1563Sample Description:Project Location: Apex, NC
Sample ID: 23E1563-04
Field Sample #: MW-4R
Sample Matrix: Ground Water
Sampled: 5/10/2023 13:44
AnalystAnalyzedDilutionFlag/QualRLResultsAnalyte
Date/Time
DL Units
Date
PreparedMethod
Sample Flags: RL-11 Volatile Organic Compounds by GC/MS
430 50 5/16/23 5:10 MFFg/L38 5/15/23SM21-23 6200B100Naphthalene
230 50 5/16/23 5:10 MFFg/L12 5/15/23SM21-23 6200B100n-Propylbenzene
ND 50 5/16/23 5:10 MFFg/L15 5/15/23SM21-23 6200B100Styrene
ND 50 5/16/23 5:10 MFFg/L14 5/15/23SM21-23 6200B1001,1,2,2-Tetrachloroethane
ND 50 5/16/23 5:10 MFFg/L17 5/15/23SM21-23 6200B100Tetrachloroethylene
9900 50 5/16/23 5:10 MFFg/L22 5/15/23SM21-23 6200B100Toluene
ND 100 5/16/23 5:10 MFFg/L34 5/15/23SM21-23 6200B1001,2,3-Trichlorobenzene
ND 100 5/16/23 5:10 MFFg/L30 5/15/23SM21-23 6200B1001,2,4-Trichlorobenzene
ND 50 5/16/23 5:10 MFFg/L15 5/15/23SM21-23 6200B1001,1,1-Trichloroethane
ND 50 5/16/23 5:10 MFFg/L19 5/15/23SM21-23 6200B1001,1,2-Trichloroethane
ND 50 5/16/23 5:10 MFFg/L17 5/15/23SM21-23 6200B100Trichloroethylene
ND 50 5/16/23 5:10 MFFg/L15 5/15/23SM21-23 6200B100Trichlorofluoromethane (Freon 11)
ND 50 5/16/23 5:10 MFFg/L28 5/15/23SM21-23 6200B100R-051,2,3-Trichloropropane
2000 50 5/16/23 5:10 MFFg/L20 5/15/23SM21-23 6200B1001,2,4-Trimethylbenzene
620 50 5/16/23 5:10 MFFg/L15 5/15/23SM21-23 6200B1001,3,5-Trimethylbenzene
ND 2000 5/16/23 5:10 MFFg/L170 5/15/23SM21-23 6200B100Vinyl Acetate
ND 50 5/16/23 5:10 MFFg/L24 5/15/23SM21-23 6200B100Vinyl Chloride
7700 100 5/16/23 5:10 MFFg/L49 5/15/23SM21-23 6200B100m+p Xylene
4200 50 5/16/23 5:10 MFFg/L24 5/15/23SM21-23 6200B100o-Xylene
Surrogates % Recovery Recovery Limits Flag/Qual
1,2-Dichloroethane-d4 93.7 5/16/23 5:1070-130
Toluene-d8 99.3 5/16/23 5:1070-130
4-Bromofluorobenzene 95.9 5/16/23 5:1070-130
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
Date Received: 5/11/2023
Work Order: 23E1563Sample Description:Project Location: Apex, NC
Sample ID: 23E1563-05
Field Sample #: MW-5
Sample Matrix: Ground Water
Sampled: 5/10/2023 13:06
[TOC_2]23E1563-05[TOC]
AnalystAnalyzedDilutionFlag/QualRLResultsAnalyte
Date/Time
DL Units
Date
PreparedMethod
Volatile Organic Compounds by GC/MS
2.7 50 5/16/23 1:09 MFFg/L2.0 5/15/23SM21-23 6200B1JAcetone
ND 0.50 5/16/23 1:09 MFFg/L0.18 5/15/23SM21-23 6200B1Benzene
ND 0.50 5/16/23 1:09 MFFg/L0.15 5/15/23SM21-23 6200B1Bromobenzene
ND 0.50 5/16/23 1:09 MFFg/L0.28 5/15/23SM21-23 6200B1Bromochloromethane
ND 0.50 5/16/23 1:09 MFFg/L0.16 5/15/23SM21-23 6200B1Bromodichloromethane
ND 0.50 5/16/23 1:09 MFFg/L0.41 5/15/23SM21-23 6200B1Bromoform
ND 2.0 5/16/23 1:09 MFFg/L1.3 5/15/23SM21-23 6200B1Bromomethane
ND 5.0 5/16/23 1:09 MFFg/L1.7 5/15/23SM21-23 6200B12-Butanone (MEK)
ND 0.50 5/16/23 1:09 MFFg/L0.15 5/15/23SM21-23 6200B1n-Butylbenzene
ND 0.50 5/16/23 1:09 MFFg/L0.13 5/15/23SM21-23 6200B1sec-Butylbenzene
ND 0.50 5/16/23 1:09 MFFg/L0.14 5/15/23SM21-23 6200B1tert-Butylbenzene
ND 0.50 5/16/23 1:09 MFFg/L0.16 5/15/23SM21-23 6200B1Carbon Tetrachloride
ND 0.50 5/16/23 1:09 MFFg/L0.12 5/15/23SM21-23 6200B1Chlorobenzene
ND 50 5/16/23 1:09 MFFg/L20 5/15/23SM21-23 6200B1Ethanol
ND 0.50 5/16/23 1:09 MFFg/L0.20 5/15/23SM21-23 6200B1Chlorodibromomethane
ND 0.50 5/16/23 1:09 MFFg/L0.34 5/15/23SM21-23 6200B1Chloroethane
ND 0.50 5/16/23 1:09 MFFg/L0.14 5/15/23SM21-23 6200B1Chloroform
ND 0.60 5/16/23 1:09 MFFg/L0.50 5/15/23SM21-23 6200B1Chloromethane
ND 0.50 5/16/23 1:09 MFFg/L0.15 5/15/23SM21-23 6200B12-Chlorotoluene
ND 0.50 5/16/23 1:09 MFFg/L0.15 5/15/23SM21-23 6200B14-Chlorotoluene
ND 0.50 5/16/23 1:09 MFFg/L0.16 5/15/23SM21-23 6200B11,2-Dibromoethane (EDB)
ND 0.50 5/16/23 1:09 MFFg/L0.13 5/15/23SM21-23 6200B11,2-Dichlorobenzene
ND 0.50 5/16/23 1:09 MFFg/L0.14 5/15/23SM21-23 6200B11,3-Dichlorobenzene
ND 0.50 5/16/23 1:09 MFFg/L0.13 5/15/23SM21-23 6200B11,4-Dichlorobenzene
ND 0.50 5/16/23 1:09 MFFg/L0.16 5/15/23SM21-23 6200B1Dichlorodifluoromethane (Freon 12)
ND 0.50 5/16/23 1:09 MFFg/L0.14 5/15/23SM21-23 6200B11,1-Dichloroethane
ND 0.50 5/16/23 1:09 MFFg/L0.30 5/15/23SM21-23 6200B11,2-Dichloroethane
ND 0.50 5/16/23 1:09 MFFg/L0.14 5/15/23SM21-23 6200B11,1-Dichloroethylene
ND 0.50 5/16/23 1:09 MFFg/L0.14 5/15/23SM21-23 6200B1cis-1,2-Dichloroethylene
ND 0.50 5/16/23 1:09 MFFg/L0.17 5/15/23SM21-23 6200B1trans-1,2-Dichloroethylene
ND 0.50 5/16/23 1:09 MFFg/L0.19 5/15/23SM21-23 6200B11,2-Dichloropropane
ND 0.50 5/16/23 1:09 MFFg/L0.12 5/15/23SM21-23 6200B11,3-Dichloropropane
ND 0.50 5/16/23 1:09 MFFg/L0.35 5/15/23SM21-23 6200B12,2-Dichloropropane
ND 0.50 5/16/23 1:09 MFFg/L0.15 5/15/23SM21-23 6200B11,1-Dichloropropene
ND 0.50 5/16/23 1:09 MFFg/L0.16 5/15/23SM21-23 6200B1cis-1,3-Dichloropropene
ND 0.50 5/16/23 1:09 MFFg/L0.14 5/15/23SM21-23 6200B1trans-1,3-Dichloropropene
ND 0.50 5/16/23 1:09 MFFg/L0.20 5/15/23SM21-23 6200B1Diisopropyl Ether (DIPE)
ND 0.50 5/16/23 1:09 MFFg/L0.22 5/15/23SM21-23 6200B1Ethylbenzene
ND 5.0 5/16/23 1:09 MFFg/L1.2 5/15/23SM21-23 6200B12-Hexanone (MBK)
ND 0.50 5/16/23 1:09 MFFg/L0.15 5/15/23SM21-23 6200B1Isopropylbenzene (Cumene)
ND 0.50 5/16/23 1:09 MFFg/L0.13 5/15/23SM21-23 6200B1p-Isopropyltoluene (p-Cymene)
ND 0.50 5/16/23 1:09 MFFg/L0.17 5/15/23SM21-23 6200B1Methyl tert-Butyl Ether (MTBE)
ND 5.0 5/16/23 1:09 MFFg/L0.18 5/15/23SM21-23 6200B1Methylene Chloride
ND 5.0 5/16/23 1:09 MFFg/L1.3 5/15/23SM21-23 6200B14-Methyl-2-pentanone (MIBK)
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
Date Received: 5/11/2023
Work Order: 23E1563Sample Description:Project Location: Apex, NC
Sample ID: 23E1563-05
Field Sample #: MW-5
Sample Matrix: Ground Water
Sampled: 5/10/2023 13:06
AnalystAnalyzedDilutionFlag/QualRLResultsAnalyte
Date/Time
DL Units
Date
PreparedMethod
Volatile Organic Compounds by GC/MS
ND 0.50 5/16/23 1:09 MFFg/L0.38 5/15/23SM21-23 6200B1Naphthalene
ND 0.50 5/16/23 1:09 MFFg/L0.12 5/15/23SM21-23 6200B1n-Propylbenzene
ND 0.50 5/16/23 1:09 MFFg/L0.15 5/15/23SM21-23 6200B1Styrene
ND 0.50 5/16/23 1:09 MFFg/L0.14 5/15/23SM21-23 6200B11,1,2,2-Tetrachloroethane
ND 0.50 5/16/23 1:09 MFFg/L0.17 5/15/23SM21-23 6200B1Tetrachloroethylene
ND 0.50 5/16/23 1:09 MFFg/L0.22 5/15/23SM21-23 6200B1Toluene
ND 1.0 5/16/23 1:09 MFFg/L0.34 5/15/23SM21-23 6200B11,2,3-Trichlorobenzene
ND 1.0 5/16/23 1:09 MFFg/L0.30 5/15/23SM21-23 6200B11,2,4-Trichlorobenzene
ND 0.50 5/16/23 1:09 MFFg/L0.15 5/15/23SM21-23 6200B11,1,1-Trichloroethane
ND 0.50 5/16/23 1:09 MFFg/L0.19 5/15/23SM21-23 6200B11,1,2-Trichloroethane
ND 0.50 5/16/23 1:09 MFFg/L0.17 5/15/23SM21-23 6200B1Trichloroethylene
ND 0.50 5/16/23 1:09 MFFg/L0.15 5/15/23SM21-23 6200B1Trichlorofluoromethane (Freon 11)
ND 0.50 5/16/23 1:09 MFFg/L0.28 5/15/23SM21-23 6200B1R-051,2,3-Trichloropropane
ND 0.50 5/16/23 1:09 MFFg/L0.20 5/15/23SM21-23 6200B11,2,4-Trimethylbenzene
ND 0.50 5/16/23 1:09 MFFg/L0.15 5/15/23SM21-23 6200B11,3,5-Trimethylbenzene
ND 20 5/16/23 1:09 MFFg/L1.7 5/15/23SM21-23 6200B1Vinyl Acetate
ND 0.50 5/16/23 1:09 MFFg/L0.24 5/15/23SM21-23 6200B1Vinyl Chloride
ND 1.0 5/16/23 1:09 MFFg/L0.49 5/15/23SM21-23 6200B1m+p Xylene
ND 0.50 5/16/23 1:09 MFFg/L0.24 5/15/23SM21-23 6200B1o-Xylene
Surrogates % Recovery Recovery Limits Flag/Qual
1,2-Dichloroethane-d4 97.1 5/16/23 1:0970-130
Toluene-d8 98.8 5/16/23 1:0970-130
4-Bromofluorobenzene 92.3 5/16/23 1:0970-130
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
Date Received: 5/11/2023
Work Order: 23E1563Sample Description:Project Location: Apex, NC
Sample ID: 23E1563-06
Field Sample #: MW-6
Sample Matrix: Ground Water
Sampled: 5/10/2023 13:19
[TOC_2]23E1563-06[TOC]
AnalystAnalyzedDilutionFlag/QualRLResultsAnalyte
Date/Time
DL Units
Date
PreparedMethod
Volatile Organic Compounds by GC/MS
ND 50 5/16/23 1:36 MFFg/L2.0 5/15/23SM21-23 6200B1Acetone
ND 0.50 5/16/23 1:36 MFFg/L0.18 5/15/23SM21-23 6200B1Benzene
ND 0.50 5/16/23 1:36 MFFg/L0.15 5/15/23SM21-23 6200B1Bromobenzene
ND 0.50 5/16/23 1:36 MFFg/L0.28 5/15/23SM21-23 6200B1Bromochloromethane
ND 0.50 5/16/23 1:36 MFFg/L0.16 5/15/23SM21-23 6200B1Bromodichloromethane
ND 0.50 5/16/23 1:36 MFFg/L0.41 5/15/23SM21-23 6200B1Bromoform
ND 2.0 5/16/23 1:36 MFFg/L1.3 5/15/23SM21-23 6200B1Bromomethane
ND 5.0 5/16/23 1:36 MFFg/L1.7 5/15/23SM21-23 6200B12-Butanone (MEK)
ND 0.50 5/16/23 1:36 MFFg/L0.15 5/15/23SM21-23 6200B1n-Butylbenzene
ND 0.50 5/16/23 1:36 MFFg/L0.13 5/15/23SM21-23 6200B1sec-Butylbenzene
ND 0.50 5/16/23 1:36 MFFg/L0.14 5/15/23SM21-23 6200B1tert-Butylbenzene
ND 0.50 5/16/23 1:36 MFFg/L0.16 5/15/23SM21-23 6200B1Carbon Tetrachloride
ND 0.50 5/16/23 1:36 MFFg/L0.12 5/15/23SM21-23 6200B1Chlorobenzene
ND 50 5/16/23 1:36 MFFg/L20 5/15/23SM21-23 6200B1Ethanol
ND 0.50 5/16/23 1:36 MFFg/L0.20 5/15/23SM21-23 6200B1Chlorodibromomethane
ND 0.50 5/16/23 1:36 MFFg/L0.34 5/15/23SM21-23 6200B1Chloroethane
ND 0.50 5/16/23 1:36 MFFg/L0.14 5/15/23SM21-23 6200B1Chloroform
ND 0.60 5/16/23 1:36 MFFg/L0.50 5/15/23SM21-23 6200B1Chloromethane
ND 0.50 5/16/23 1:36 MFFg/L0.15 5/15/23SM21-23 6200B12-Chlorotoluene
ND 0.50 5/16/23 1:36 MFFg/L0.15 5/15/23SM21-23 6200B14-Chlorotoluene
ND 0.50 5/16/23 1:36 MFFg/L0.16 5/15/23SM21-23 6200B11,2-Dibromoethane (EDB)
ND 0.50 5/16/23 1:36 MFFg/L0.13 5/15/23SM21-23 6200B11,2-Dichlorobenzene
ND 0.50 5/16/23 1:36 MFFg/L0.14 5/15/23SM21-23 6200B11,3-Dichlorobenzene
ND 0.50 5/16/23 1:36 MFFg/L0.13 5/15/23SM21-23 6200B11,4-Dichlorobenzene
ND 0.50 5/16/23 1:36 MFFg/L0.16 5/15/23SM21-23 6200B1Dichlorodifluoromethane (Freon 12)
ND 0.50 5/16/23 1:36 MFFg/L0.14 5/15/23SM21-23 6200B11,1-Dichloroethane
ND 0.50 5/16/23 1:36 MFFg/L0.30 5/15/23SM21-23 6200B11,2-Dichloroethane
ND 0.50 5/16/23 1:36 MFFg/L0.14 5/15/23SM21-23 6200B11,1-Dichloroethylene
ND 0.50 5/16/23 1:36 MFFg/L0.14 5/15/23SM21-23 6200B1cis-1,2-Dichloroethylene
ND 0.50 5/16/23 1:36 MFFg/L0.17 5/15/23SM21-23 6200B1trans-1,2-Dichloroethylene
ND 0.50 5/16/23 1:36 MFFg/L0.19 5/15/23SM21-23 6200B11,2-Dichloropropane
ND 0.50 5/16/23 1:36 MFFg/L0.12 5/15/23SM21-23 6200B11,3-Dichloropropane
ND 0.50 5/16/23 1:36 MFFg/L0.35 5/15/23SM21-23 6200B12,2-Dichloropropane
ND 0.50 5/16/23 1:36 MFFg/L0.15 5/15/23SM21-23 6200B11,1-Dichloropropene
ND 0.50 5/16/23 1:36 MFFg/L0.16 5/15/23SM21-23 6200B1cis-1,3-Dichloropropene
ND 0.50 5/16/23 1:36 MFFg/L0.14 5/15/23SM21-23 6200B1trans-1,3-Dichloropropene
ND 0.50 5/16/23 1:36 MFFg/L0.20 5/15/23SM21-23 6200B1Diisopropyl Ether (DIPE)
ND 0.50 5/16/23 1:36 MFFg/L0.22 5/15/23SM21-23 6200B1Ethylbenzene
ND 5.0 5/16/23 1:36 MFFg/L1.2 5/15/23SM21-23 6200B12-Hexanone (MBK)
ND 0.50 5/16/23 1:36 MFFg/L0.15 5/15/23SM21-23 6200B1Isopropylbenzene (Cumene)
ND 0.50 5/16/23 1:36 MFFg/L0.13 5/15/23SM21-23 6200B1p-Isopropyltoluene (p-Cymene)
ND 0.50 5/16/23 1:36 MFFg/L0.17 5/15/23SM21-23 6200B1Methyl tert-Butyl Ether (MTBE)
ND 5.0 5/16/23 1:36 MFFg/L0.18 5/15/23SM21-23 6200B1Methylene Chloride
ND 5.0 5/16/23 1:36 MFFg/L1.3 5/15/23SM21-23 6200B14-Methyl-2-pentanone (MIBK)
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
Date Received: 5/11/2023
Work Order: 23E1563Sample Description:Project Location: Apex, NC
Sample ID: 23E1563-06
Field Sample #: MW-6
Sample Matrix: Ground Water
Sampled: 5/10/2023 13:19
AnalystAnalyzedDilutionFlag/QualRLResultsAnalyte
Date/Time
DL Units
Date
PreparedMethod
Volatile Organic Compounds by GC/MS
ND 0.50 5/16/23 1:36 MFFg/L0.38 5/15/23SM21-23 6200B1Naphthalene
ND 0.50 5/16/23 1:36 MFFg/L0.12 5/15/23SM21-23 6200B1n-Propylbenzene
ND 0.50 5/16/23 1:36 MFFg/L0.15 5/15/23SM21-23 6200B1Styrene
ND 0.50 5/16/23 1:36 MFFg/L0.14 5/15/23SM21-23 6200B11,1,2,2-Tetrachloroethane
ND 0.50 5/16/23 1:36 MFFg/L0.17 5/15/23SM21-23 6200B1Tetrachloroethylene
ND 0.50 5/16/23 1:36 MFFg/L0.22 5/15/23SM21-23 6200B1Toluene
ND 1.0 5/16/23 1:36 MFFg/L0.34 5/15/23SM21-23 6200B11,2,3-Trichlorobenzene
ND 1.0 5/16/23 1:36 MFFg/L0.30 5/15/23SM21-23 6200B11,2,4-Trichlorobenzene
ND 0.50 5/16/23 1:36 MFFg/L0.15 5/15/23SM21-23 6200B11,1,1-Trichloroethane
ND 0.50 5/16/23 1:36 MFFg/L0.19 5/15/23SM21-23 6200B11,1,2-Trichloroethane
ND 0.50 5/16/23 1:36 MFFg/L0.17 5/15/23SM21-23 6200B1Trichloroethylene
ND 0.50 5/16/23 1:36 MFFg/L0.15 5/15/23SM21-23 6200B1Trichlorofluoromethane (Freon 11)
ND 0.50 5/16/23 1:36 MFFg/L0.28 5/15/23SM21-23 6200B1R-051,2,3-Trichloropropane
ND 0.50 5/16/23 1:36 MFFg/L0.20 5/15/23SM21-23 6200B11,2,4-Trimethylbenzene
ND 0.50 5/16/23 1:36 MFFg/L0.15 5/15/23SM21-23 6200B11,3,5-Trimethylbenzene
ND 20 5/16/23 1:36 MFFg/L1.7 5/15/23SM21-23 6200B1Vinyl Acetate
ND 0.50 5/16/23 1:36 MFFg/L0.24 5/15/23SM21-23 6200B1Vinyl Chloride
ND 1.0 5/16/23 1:36 MFFg/L0.49 5/15/23SM21-23 6200B1m+p Xylene
ND 0.50 5/16/23 1:36 MFFg/L0.24 5/15/23SM21-23 6200B1o-Xylene
Surrogates % Recovery Recovery Limits Flag/Qual
1,2-Dichloroethane-d4 99.4 5/16/23 1:3670-130
Toluene-d8 98.4 5/16/23 1:3670-130
4-Bromofluorobenzene 90.9 5/16/23 1:3670-130
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
Date Received: 5/11/2023
Work Order: 23E1563Sample Description:Project Location: Apex, NC
Sample ID: 23E1563-07
Field Sample #: MW-7
Sample Matrix: Ground Water
Sampled: 5/10/2023 14:04
[TOC_2]23E1563-07[TOC]
AnalystAnalyzedDilutionFlag/QualRLResultsAnalyte
Date/Time
DL Units
Date
PreparedMethod
Volatile Organic Compounds by GC/MS
2.9 50 5/16/23 2:03 MFFg/L2.0 5/15/23SM21-23 6200B1JAcetone
ND 0.50 5/16/23 2:03 MFFg/L0.18 5/15/23SM21-23 6200B1Benzene
ND 0.50 5/16/23 2:03 MFFg/L0.15 5/15/23SM21-23 6200B1Bromobenzene
ND 0.50 5/16/23 2:03 MFFg/L0.28 5/15/23SM21-23 6200B1Bromochloromethane
ND 0.50 5/16/23 2:03 MFFg/L0.16 5/15/23SM21-23 6200B1Bromodichloromethane
ND 0.50 5/16/23 2:03 MFFg/L0.41 5/15/23SM21-23 6200B1Bromoform
ND 2.0 5/16/23 2:03 MFFg/L1.3 5/15/23SM21-23 6200B1Bromomethane
ND 5.0 5/16/23 2:03 MFFg/L1.7 5/15/23SM21-23 6200B12-Butanone (MEK)
ND 0.50 5/16/23 2:03 MFFg/L0.15 5/15/23SM21-23 6200B1n-Butylbenzene
ND 0.50 5/16/23 2:03 MFFg/L0.13 5/15/23SM21-23 6200B1sec-Butylbenzene
ND 0.50 5/16/23 2:03 MFFg/L0.14 5/15/23SM21-23 6200B1tert-Butylbenzene
ND 0.50 5/16/23 2:03 MFFg/L0.16 5/15/23SM21-23 6200B1Carbon Tetrachloride
ND 0.50 5/16/23 2:03 MFFg/L0.12 5/15/23SM21-23 6200B1Chlorobenzene
ND 50 5/16/23 2:03 MFFg/L20 5/15/23SM21-23 6200B1Ethanol
ND 0.50 5/16/23 2:03 MFFg/L0.20 5/15/23SM21-23 6200B1Chlorodibromomethane
ND 0.50 5/16/23 2:03 MFFg/L0.34 5/15/23SM21-23 6200B1Chloroethane
ND 0.50 5/16/23 2:03 MFFg/L0.14 5/15/23SM21-23 6200B1Chloroform
ND 0.60 5/16/23 2:03 MFFg/L0.50 5/15/23SM21-23 6200B1Chloromethane
ND 0.50 5/16/23 2:03 MFFg/L0.15 5/15/23SM21-23 6200B12-Chlorotoluene
ND 0.50 5/16/23 2:03 MFFg/L0.15 5/15/23SM21-23 6200B14-Chlorotoluene
ND 0.50 5/16/23 2:03 MFFg/L0.16 5/15/23SM21-23 6200B11,2-Dibromoethane (EDB)
ND 0.50 5/16/23 2:03 MFFg/L0.13 5/15/23SM21-23 6200B11,2-Dichlorobenzene
ND 0.50 5/16/23 2:03 MFFg/L0.14 5/15/23SM21-23 6200B11,3-Dichlorobenzene
ND 0.50 5/16/23 2:03 MFFg/L0.13 5/15/23SM21-23 6200B11,4-Dichlorobenzene
ND 0.50 5/16/23 2:03 MFFg/L0.16 5/15/23SM21-23 6200B1Dichlorodifluoromethane (Freon 12)
ND 0.50 5/16/23 2:03 MFFg/L0.14 5/15/23SM21-23 6200B11,1-Dichloroethane
ND 0.50 5/16/23 2:03 MFFg/L0.30 5/15/23SM21-23 6200B11,2-Dichloroethane
ND 0.50 5/16/23 2:03 MFFg/L0.14 5/15/23SM21-23 6200B11,1-Dichloroethylene
ND 0.50 5/16/23 2:03 MFFg/L0.14 5/15/23SM21-23 6200B1cis-1,2-Dichloroethylene
ND 0.50 5/16/23 2:03 MFFg/L0.17 5/15/23SM21-23 6200B1trans-1,2-Dichloroethylene
ND 0.50 5/16/23 2:03 MFFg/L0.19 5/15/23SM21-23 6200B11,2-Dichloropropane
ND 0.50 5/16/23 2:03 MFFg/L0.12 5/15/23SM21-23 6200B11,3-Dichloropropane
ND 0.50 5/16/23 2:03 MFFg/L0.35 5/15/23SM21-23 6200B12,2-Dichloropropane
ND 0.50 5/16/23 2:03 MFFg/L0.15 5/15/23SM21-23 6200B11,1-Dichloropropene
ND 0.50 5/16/23 2:03 MFFg/L0.16 5/15/23SM21-23 6200B1cis-1,3-Dichloropropene
ND 0.50 5/16/23 2:03 MFFg/L0.14 5/15/23SM21-23 6200B1trans-1,3-Dichloropropene
ND 0.50 5/16/23 2:03 MFFg/L0.20 5/15/23SM21-23 6200B1Diisopropyl Ether (DIPE)
ND 0.50 5/16/23 2:03 MFFg/L0.22 5/15/23SM21-23 6200B1Ethylbenzene
ND 5.0 5/16/23 2:03 MFFg/L1.2 5/15/23SM21-23 6200B12-Hexanone (MBK)
ND 0.50 5/16/23 2:03 MFFg/L0.15 5/15/23SM21-23 6200B1Isopropylbenzene (Cumene)
ND 0.50 5/16/23 2:03 MFFg/L0.13 5/15/23SM21-23 6200B1p-Isopropyltoluene (p-Cymene)
ND 0.50 5/16/23 2:03 MFFg/L0.17 5/15/23SM21-23 6200B1Methyl tert-Butyl Ether (MTBE)
ND 5.0 5/16/23 2:03 MFFg/L0.18 5/15/23SM21-23 6200B1Methylene Chloride
ND 5.0 5/16/23 2:03 MFFg/L1.3 5/15/23SM21-23 6200B14-Methyl-2-pentanone (MIBK)
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
Date Received: 5/11/2023
Work Order: 23E1563Sample Description:Project Location: Apex, NC
Sample ID: 23E1563-07
Field Sample #: MW-7
Sample Matrix: Ground Water
Sampled: 5/10/2023 14:04
AnalystAnalyzedDilutionFlag/QualRLResultsAnalyte
Date/Time
DL Units
Date
PreparedMethod
Volatile Organic Compounds by GC/MS
ND 0.50 5/16/23 2:03 MFFg/L0.38 5/15/23SM21-23 6200B1Naphthalene
ND 0.50 5/16/23 2:03 MFFg/L0.12 5/15/23SM21-23 6200B1n-Propylbenzene
ND 0.50 5/16/23 2:03 MFFg/L0.15 5/15/23SM21-23 6200B1Styrene
ND 0.50 5/16/23 2:03 MFFg/L0.14 5/15/23SM21-23 6200B11,1,2,2-Tetrachloroethane
ND 0.50 5/16/23 2:03 MFFg/L0.17 5/15/23SM21-23 6200B1Tetrachloroethylene
ND 0.50 5/16/23 2:03 MFFg/L0.22 5/15/23SM21-23 6200B1Toluene
ND 1.0 5/16/23 2:03 MFFg/L0.34 5/15/23SM21-23 6200B11,2,3-Trichlorobenzene
ND 1.0 5/16/23 2:03 MFFg/L0.30 5/15/23SM21-23 6200B11,2,4-Trichlorobenzene
ND 0.50 5/16/23 2:03 MFFg/L0.15 5/15/23SM21-23 6200B11,1,1-Trichloroethane
ND 0.50 5/16/23 2:03 MFFg/L0.19 5/15/23SM21-23 6200B11,1,2-Trichloroethane
ND 0.50 5/16/23 2:03 MFFg/L0.17 5/15/23SM21-23 6200B1Trichloroethylene
ND 0.50 5/16/23 2:03 MFFg/L0.15 5/15/23SM21-23 6200B1Trichlorofluoromethane (Freon 11)
ND 0.50 5/16/23 2:03 MFFg/L0.28 5/15/23SM21-23 6200B1R-051,2,3-Trichloropropane
ND 0.50 5/16/23 2:03 MFFg/L0.20 5/15/23SM21-23 6200B11,2,4-Trimethylbenzene
ND 0.50 5/16/23 2:03 MFFg/L0.15 5/15/23SM21-23 6200B11,3,5-Trimethylbenzene
ND 20 5/16/23 2:03 MFFg/L1.7 5/15/23SM21-23 6200B1Vinyl Acetate
ND 0.50 5/16/23 2:03 MFFg/L0.24 5/15/23SM21-23 6200B1Vinyl Chloride
ND 1.0 5/16/23 2:03 MFFg/L0.49 5/15/23SM21-23 6200B1m+p Xylene
ND 0.50 5/16/23 2:03 MFFg/L0.24 5/15/23SM21-23 6200B1o-Xylene
Surrogates % Recovery Recovery Limits Flag/Qual
1,2-Dichloroethane-d4 96.6 5/16/23 2:0370-130
Toluene-d8 97.8 5/16/23 2:0370-130
4-Bromofluorobenzene 93.3 5/16/23 2:0370-130
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
Date Received: 5/11/2023
Work Order: 23E1563Sample Description:Project Location: Apex, NC
Sample ID: 23E1563-08
Field Sample #: DW-1
Sample Matrix: Ground Water
Sampled: 5/10/2023 11:20
[TOC_2]23E1563-08[TOC]
AnalystAnalyzedDilutionFlag/QualRLResultsAnalyte
Date/Time
DL Units
Date
PreparedMethod
Volatile Organic Compounds by GC/MS
3.4 50 5/16/23 3:23 MFFg/L2.0 5/15/23SM21-23 6200B1JAcetone
ND 0.50 5/16/23 3:23 MFFg/L0.18 5/15/23SM21-23 6200B1Benzene
ND 0.50 5/16/23 3:23 MFFg/L0.15 5/15/23SM21-23 6200B1Bromobenzene
ND 0.50 5/16/23 3:23 MFFg/L0.28 5/15/23SM21-23 6200B1Bromochloromethane
ND 0.50 5/16/23 3:23 MFFg/L0.16 5/15/23SM21-23 6200B1Bromodichloromethane
ND 0.50 5/16/23 3:23 MFFg/L0.41 5/15/23SM21-23 6200B1Bromoform
ND 2.0 5/16/23 3:23 MFFg/L1.3 5/15/23SM21-23 6200B1Bromomethane
ND 5.0 5/16/23 3:23 MFFg/L1.7 5/15/23SM21-23 6200B12-Butanone (MEK)
ND 0.50 5/16/23 3:23 MFFg/L0.15 5/15/23SM21-23 6200B1n-Butylbenzene
ND 0.50 5/16/23 3:23 MFFg/L0.13 5/15/23SM21-23 6200B1sec-Butylbenzene
ND 0.50 5/16/23 3:23 MFFg/L0.14 5/15/23SM21-23 6200B1tert-Butylbenzene
ND 0.50 5/16/23 3:23 MFFg/L0.16 5/15/23SM21-23 6200B1Carbon Tetrachloride
ND 0.50 5/16/23 3:23 MFFg/L0.12 5/15/23SM21-23 6200B1Chlorobenzene
ND 50 5/16/23 3:23 MFFg/L20 5/15/23SM21-23 6200B1Ethanol
ND 0.50 5/16/23 3:23 MFFg/L0.20 5/15/23SM21-23 6200B1Chlorodibromomethane
ND 0.50 5/16/23 3:23 MFFg/L0.34 5/15/23SM21-23 6200B1Chloroethane
ND 0.50 5/16/23 3:23 MFFg/L0.14 5/15/23SM21-23 6200B1Chloroform
ND 0.60 5/16/23 3:23 MFFg/L0.50 5/15/23SM21-23 6200B1Chloromethane
ND 0.50 5/16/23 3:23 MFFg/L0.15 5/15/23SM21-23 6200B12-Chlorotoluene
ND 0.50 5/16/23 3:23 MFFg/L0.15 5/15/23SM21-23 6200B14-Chlorotoluene
ND 0.50 5/16/23 3:23 MFFg/L0.16 5/15/23SM21-23 6200B11,2-Dibromoethane (EDB)
ND 0.50 5/16/23 3:23 MFFg/L0.13 5/15/23SM21-23 6200B11,2-Dichlorobenzene
ND 0.50 5/16/23 3:23 MFFg/L0.14 5/15/23SM21-23 6200B11,3-Dichlorobenzene
ND 0.50 5/16/23 3:23 MFFg/L0.13 5/15/23SM21-23 6200B11,4-Dichlorobenzene
ND 0.50 5/16/23 3:23 MFFg/L0.16 5/15/23SM21-23 6200B1Dichlorodifluoromethane (Freon 12)
ND 0.50 5/16/23 3:23 MFFg/L0.14 5/15/23SM21-23 6200B11,1-Dichloroethane
0.82 0.50 5/16/23 3:23 MFFg/L0.30 5/15/23SM21-23 6200B11,2-Dichloroethane
ND 0.50 5/16/23 3:23 MFFg/L0.14 5/15/23SM21-23 6200B11,1-Dichloroethylene
ND 0.50 5/16/23 3:23 MFFg/L0.14 5/15/23SM21-23 6200B1cis-1,2-Dichloroethylene
ND 0.50 5/16/23 3:23 MFFg/L0.17 5/15/23SM21-23 6200B1trans-1,2-Dichloroethylene
ND 0.50 5/16/23 3:23 MFFg/L0.19 5/15/23SM21-23 6200B11,2-Dichloropropane
ND 0.50 5/16/23 3:23 MFFg/L0.12 5/15/23SM21-23 6200B11,3-Dichloropropane
ND 0.50 5/16/23 3:23 MFFg/L0.35 5/15/23SM21-23 6200B12,2-Dichloropropane
ND 0.50 5/16/23 3:23 MFFg/L0.15 5/15/23SM21-23 6200B11,1-Dichloropropene
ND 0.50 5/16/23 3:23 MFFg/L0.16 5/15/23SM21-23 6200B1cis-1,3-Dichloropropene
ND 0.50 5/16/23 3:23 MFFg/L0.14 5/15/23SM21-23 6200B1trans-1,3-Dichloropropene
ND 0.50 5/16/23 3:23 MFFg/L0.20 5/15/23SM21-23 6200B1Diisopropyl Ether (DIPE)
ND 0.50 5/16/23 3:23 MFFg/L0.22 5/15/23SM21-23 6200B1Ethylbenzene
ND 5.0 5/16/23 3:23 MFFg/L1.2 5/15/23SM21-23 6200B12-Hexanone (MBK)
ND 0.50 5/16/23 3:23 MFFg/L0.15 5/15/23SM21-23 6200B1Isopropylbenzene (Cumene)
0.34 0.50 5/16/23 3:23 MFFg/L0.13 5/15/23SM21-23 6200B1Jp-Isopropyltoluene (p-Cymene)
ND 0.50 5/16/23 3:23 MFFg/L0.17 5/15/23SM21-23 6200B1Methyl tert-Butyl Ether (MTBE)
ND 5.0 5/16/23 3:23 MFFg/L0.18 5/15/23SM21-23 6200B1Methylene Chloride
ND 5.0 5/16/23 3:23 MFFg/L1.3 5/15/23SM21-23 6200B14-Methyl-2-pentanone (MIBK)
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
Date Received: 5/11/2023
Work Order: 23E1563Sample Description:Project Location: Apex, NC
Sample ID: 23E1563-08
Field Sample #: DW-1
Sample Matrix: Ground Water
Sampled: 5/10/2023 11:20
AnalystAnalyzedDilutionFlag/QualRLResultsAnalyte
Date/Time
DL Units
Date
PreparedMethod
Volatile Organic Compounds by GC/MS
ND 0.50 5/16/23 3:23 MFFg/L0.38 5/15/23SM21-23 6200B1Naphthalene
ND 0.50 5/16/23 3:23 MFFg/L0.12 5/15/23SM21-23 6200B1n-Propylbenzene
ND 0.50 5/16/23 3:23 MFFg/L0.15 5/15/23SM21-23 6200B1Styrene
ND 0.50 5/16/23 3:23 MFFg/L0.14 5/15/23SM21-23 6200B11,1,2,2-Tetrachloroethane
ND 0.50 5/16/23 3:23 MFFg/L0.17 5/15/23SM21-23 6200B1Tetrachloroethylene
ND 0.50 5/16/23 3:23 MFFg/L0.22 5/15/23SM21-23 6200B1Toluene
ND 1.0 5/16/23 3:23 MFFg/L0.34 5/15/23SM21-23 6200B11,2,3-Trichlorobenzene
ND 1.0 5/16/23 3:23 MFFg/L0.30 5/15/23SM21-23 6200B11,2,4-Trichlorobenzene
ND 0.50 5/16/23 3:23 MFFg/L0.15 5/15/23SM21-23 6200B11,1,1-Trichloroethane
ND 0.50 5/16/23 3:23 MFFg/L0.19 5/15/23SM21-23 6200B11,1,2-Trichloroethane
ND 0.50 5/16/23 3:23 MFFg/L0.17 5/15/23SM21-23 6200B1Trichloroethylene
ND 0.50 5/16/23 3:23 MFFg/L0.15 5/15/23SM21-23 6200B1Trichlorofluoromethane (Freon 11)
ND 0.50 5/16/23 3:23 MFFg/L0.28 5/15/23SM21-23 6200B1R-051,2,3-Trichloropropane
ND 0.50 5/16/23 3:23 MFFg/L0.20 5/15/23SM21-23 6200B11,2,4-Trimethylbenzene
ND 0.50 5/16/23 3:23 MFFg/L0.15 5/15/23SM21-23 6200B11,3,5-Trimethylbenzene
ND 20 5/16/23 3:23 MFFg/L1.7 5/15/23SM21-23 6200B1Vinyl Acetate
ND 0.50 5/16/23 3:23 MFFg/L0.24 5/15/23SM21-23 6200B1Vinyl Chloride
ND 1.0 5/16/23 3:23 MFFg/L0.49 5/15/23SM21-23 6200B1m+p Xylene
ND 0.50 5/16/23 3:23 MFFg/L0.24 5/15/23SM21-23 6200B1o-Xylene
Surrogates % Recovery Recovery Limits Flag/Qual
1,2-Dichloroethane-d4 98.5 5/16/23 3:2370-130
Toluene-d8 99.9 5/16/23 3:2370-130
4-Bromofluorobenzene 92.7 5/16/23 3:2370-130
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
Date Received: 5/11/2023
Work Order: 23E1563Sample Description:Project Location: Apex, NC
Sample ID: 23E1563-09
Field Sample #: Eq. Rinse
Sample Matrix: Ground Water
Sampled: 5/10/2023 14:15
[TOC_2]23E1563-09[TOC]
AnalystAnalyzedDilutionFlag/QualRLResultsAnalyte
Date/Time
DL Units
Date
PreparedMethod
Volatile Organic Compounds by GC/MS
9.6 50 5/15/23 22:56 MFFg/L2.0 5/15/23SM21-23 6200B1JAcetone
ND 0.50 5/15/23 22:56 MFFg/L0.18 5/15/23SM21-23 6200B1Benzene
ND 0.50 5/15/23 22:56 MFFg/L0.15 5/15/23SM21-23 6200B1Bromobenzene
ND 0.50 5/15/23 22:56 MFFg/L0.28 5/15/23SM21-23 6200B1Bromochloromethane
ND 0.50 5/15/23 22:56 MFFg/L0.16 5/15/23SM21-23 6200B1Bromodichloromethane
ND 0.50 5/15/23 22:56 MFFg/L0.41 5/15/23SM21-23 6200B1Bromoform
ND 2.0 5/15/23 22:56 MFFg/L1.3 5/15/23SM21-23 6200B1Bromomethane
ND 5.0 5/15/23 22:56 MFFg/L1.7 5/15/23SM21-23 6200B12-Butanone (MEK)
ND 0.50 5/15/23 22:56 MFFg/L0.15 5/15/23SM21-23 6200B1n-Butylbenzene
ND 0.50 5/15/23 22:56 MFFg/L0.13 5/15/23SM21-23 6200B1sec-Butylbenzene
ND 0.50 5/15/23 22:56 MFFg/L0.14 5/15/23SM21-23 6200B1tert-Butylbenzene
ND 0.50 5/15/23 22:56 MFFg/L0.16 5/15/23SM21-23 6200B1Carbon Tetrachloride
ND 0.50 5/15/23 22:56 MFFg/L0.12 5/15/23SM21-23 6200B1Chlorobenzene
ND 50 5/15/23 22:56 MFFg/L20 5/15/23SM21-23 6200B1Ethanol
ND 0.50 5/15/23 22:56 MFFg/L0.20 5/15/23SM21-23 6200B1Chlorodibromomethane
ND 0.50 5/15/23 22:56 MFFg/L0.34 5/15/23SM21-23 6200B1Chloroethane
ND 0.50 5/15/23 22:56 MFFg/L0.14 5/15/23SM21-23 6200B1Chloroform
ND 0.60 5/15/23 22:56 MFFg/L0.50 5/15/23SM21-23 6200B1Chloromethane
ND 0.50 5/15/23 22:56 MFFg/L0.15 5/15/23SM21-23 6200B12-Chlorotoluene
ND 0.50 5/15/23 22:56 MFFg/L0.15 5/15/23SM21-23 6200B14-Chlorotoluene
ND 0.50 5/15/23 22:56 MFFg/L0.16 5/15/23SM21-23 6200B11,2-Dibromoethane (EDB)
ND 0.50 5/15/23 22:56 MFFg/L0.13 5/15/23SM21-23 6200B11,2-Dichlorobenzene
ND 0.50 5/15/23 22:56 MFFg/L0.14 5/15/23SM21-23 6200B11,3-Dichlorobenzene
ND 0.50 5/15/23 22:56 MFFg/L0.13 5/15/23SM21-23 6200B11,4-Dichlorobenzene
ND 0.50 5/15/23 22:56 MFFg/L0.16 5/15/23SM21-23 6200B1Dichlorodifluoromethane (Freon 12)
ND 0.50 5/15/23 22:56 MFFg/L0.14 5/15/23SM21-23 6200B11,1-Dichloroethane
ND 0.50 5/15/23 22:56 MFFg/L0.30 5/15/23SM21-23 6200B11,2-Dichloroethane
ND 0.50 5/15/23 22:56 MFFg/L0.14 5/15/23SM21-23 6200B11,1-Dichloroethylene
ND 0.50 5/15/23 22:56 MFFg/L0.14 5/15/23SM21-23 6200B1cis-1,2-Dichloroethylene
ND 0.50 5/15/23 22:56 MFFg/L0.17 5/15/23SM21-23 6200B1trans-1,2-Dichloroethylene
ND 0.50 5/15/23 22:56 MFFg/L0.19 5/15/23SM21-23 6200B11,2-Dichloropropane
ND 0.50 5/15/23 22:56 MFFg/L0.12 5/15/23SM21-23 6200B11,3-Dichloropropane
ND 0.50 5/15/23 22:56 MFFg/L0.35 5/15/23SM21-23 6200B12,2-Dichloropropane
ND 0.50 5/15/23 22:56 MFFg/L0.15 5/15/23SM21-23 6200B11,1-Dichloropropene
ND 0.50 5/15/23 22:56 MFFg/L0.16 5/15/23SM21-23 6200B1cis-1,3-Dichloropropene
ND 0.50 5/15/23 22:56 MFFg/L0.14 5/15/23SM21-23 6200B1trans-1,3-Dichloropropene
ND 0.50 5/15/23 22:56 MFFg/L0.20 5/15/23SM21-23 6200B1Diisopropyl Ether (DIPE)
ND 0.50 5/15/23 22:56 MFFg/L0.22 5/15/23SM21-23 6200B1Ethylbenzene
ND 5.0 5/15/23 22:56 MFFg/L1.2 5/15/23SM21-23 6200B12-Hexanone (MBK)
ND 0.50 5/15/23 22:56 MFFg/L0.15 5/15/23SM21-23 6200B1Isopropylbenzene (Cumene)
ND 0.50 5/15/23 22:56 MFFg/L0.13 5/15/23SM21-23 6200B1p-Isopropyltoluene (p-Cymene)
ND 0.50 5/15/23 22:56 MFFg/L0.17 5/15/23SM21-23 6200B1Methyl tert-Butyl Ether (MTBE)
ND 5.0 5/15/23 22:56 MFFg/L0.18 5/15/23SM21-23 6200B1Methylene Chloride
ND 5.0 5/15/23 22:56 MFFg/L1.3 5/15/23SM21-23 6200B14-Methyl-2-pentanone (MIBK)
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
Date Received: 5/11/2023
Work Order: 23E1563Sample Description:Project Location: Apex, NC
Sample ID: 23E1563-09
Field Sample #: Eq. Rinse
Sample Matrix: Ground Water
Sampled: 5/10/2023 14:15
AnalystAnalyzedDilutionFlag/QualRLResultsAnalyte
Date/Time
DL Units
Date
PreparedMethod
Volatile Organic Compounds by GC/MS
ND 0.50 5/15/23 22:56 MFFg/L0.38 5/15/23SM21-23 6200B1Naphthalene
ND 0.50 5/15/23 22:56 MFFg/L0.12 5/15/23SM21-23 6200B1n-Propylbenzene
ND 0.50 5/15/23 22:56 MFFg/L0.15 5/15/23SM21-23 6200B1Styrene
ND 0.50 5/15/23 22:56 MFFg/L0.14 5/15/23SM21-23 6200B11,1,2,2-Tetrachloroethane
ND 0.50 5/15/23 22:56 MFFg/L0.17 5/15/23SM21-23 6200B1Tetrachloroethylene
ND 0.50 5/15/23 22:56 MFFg/L0.22 5/15/23SM21-23 6200B1Toluene
ND 1.0 5/15/23 22:56 MFFg/L0.34 5/15/23SM21-23 6200B11,2,3-Trichlorobenzene
ND 1.0 5/15/23 22:56 MFFg/L0.30 5/15/23SM21-23 6200B11,2,4-Trichlorobenzene
ND 0.50 5/15/23 22:56 MFFg/L0.15 5/15/23SM21-23 6200B11,1,1-Trichloroethane
ND 0.50 5/15/23 22:56 MFFg/L0.19 5/15/23SM21-23 6200B11,1,2-Trichloroethane
ND 0.50 5/15/23 22:56 MFFg/L0.17 5/15/23SM21-23 6200B1Trichloroethylene
ND 0.50 5/15/23 22:56 MFFg/L0.15 5/15/23SM21-23 6200B1Trichlorofluoromethane (Freon 11)
ND 0.50 5/15/23 22:56 MFFg/L0.28 5/15/23SM21-23 6200B1R-051,2,3-Trichloropropane
ND 0.50 5/15/23 22:56 MFFg/L0.20 5/15/23SM21-23 6200B11,2,4-Trimethylbenzene
ND 0.50 5/15/23 22:56 MFFg/L0.15 5/15/23SM21-23 6200B11,3,5-Trimethylbenzene
ND 20 5/15/23 22:56 MFFg/L1.7 5/15/23SM21-23 6200B1Vinyl Acetate
ND 0.50 5/15/23 22:56 MFFg/L0.24 5/15/23SM21-23 6200B1Vinyl Chloride
ND 1.0 5/15/23 22:56 MFFg/L0.49 5/15/23SM21-23 6200B1m+p Xylene
ND 0.50 5/15/23 22:56 MFFg/L0.24 5/15/23SM21-23 6200B1o-Xylene
Surrogates % Recovery Recovery Limits Flag/Qual
1,2-Dichloroethane-d4 96.0 5/15/23 22:5670-130
Toluene-d8 88.8 5/15/23 22:5670-130
4-Bromofluorobenzene 91.4 5/15/23 22:5670-130
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
Date Received: 5/11/2023
Work Order: 23E1563Sample Description:Project Location: Apex, NC
Sample ID: 23E1563-10
Field Sample #: Trip Blank
Sample Matrix: Trip Blank Water
Sampled: 5/10/2023 00:00
[TOC_2]23E1563-10[TOC]
AnalystAnalyzedDilutionFlag/QualRLResultsAnalyte
Date/Time
DL Units
Date
PreparedMethod
Volatile Organic Compounds by GC/MS
2.9 50 5/15/23 23:23 MFFg/L2.0 5/15/23SM21-23 6200B1JAcetone
ND 0.50 5/15/23 23:23 MFFg/L0.18 5/15/23SM21-23 6200B1Benzene
ND 0.50 5/15/23 23:23 MFFg/L0.15 5/15/23SM21-23 6200B1Bromobenzene
ND 0.50 5/15/23 23:23 MFFg/L0.28 5/15/23SM21-23 6200B1Bromochloromethane
ND 0.50 5/15/23 23:23 MFFg/L0.16 5/15/23SM21-23 6200B1Bromodichloromethane
ND 0.50 5/15/23 23:23 MFFg/L0.41 5/15/23SM21-23 6200B1Bromoform
ND 2.0 5/15/23 23:23 MFFg/L1.3 5/15/23SM21-23 6200B1Bromomethane
ND 5.0 5/15/23 23:23 MFFg/L1.7 5/15/23SM21-23 6200B12-Butanone (MEK)
ND 0.50 5/15/23 23:23 MFFg/L0.15 5/15/23SM21-23 6200B1n-Butylbenzene
ND 0.50 5/15/23 23:23 MFFg/L0.13 5/15/23SM21-23 6200B1sec-Butylbenzene
ND 0.50 5/15/23 23:23 MFFg/L0.14 5/15/23SM21-23 6200B1tert-Butylbenzene
ND 0.50 5/15/23 23:23 MFFg/L0.16 5/15/23SM21-23 6200B1Carbon Tetrachloride
ND 0.50 5/15/23 23:23 MFFg/L0.12 5/15/23SM21-23 6200B1Chlorobenzene
ND 50 5/15/23 23:23 MFFg/L20 5/15/23SM21-23 6200B1Ethanol
ND 0.50 5/15/23 23:23 MFFg/L0.20 5/15/23SM21-23 6200B1Chlorodibromomethane
ND 0.50 5/15/23 23:23 MFFg/L0.34 5/15/23SM21-23 6200B1Chloroethane
ND 0.50 5/15/23 23:23 MFFg/L0.14 5/15/23SM21-23 6200B1Chloroform
ND 0.60 5/15/23 23:23 MFFg/L0.50 5/15/23SM21-23 6200B1Chloromethane
ND 0.50 5/15/23 23:23 MFFg/L0.15 5/15/23SM21-23 6200B12-Chlorotoluene
ND 0.50 5/15/23 23:23 MFFg/L0.15 5/15/23SM21-23 6200B14-Chlorotoluene
ND 0.50 5/15/23 23:23 MFFg/L0.16 5/15/23SM21-23 6200B11,2-Dibromoethane (EDB)
ND 0.50 5/15/23 23:23 MFFg/L0.13 5/15/23SM21-23 6200B11,2-Dichlorobenzene
ND 0.50 5/15/23 23:23 MFFg/L0.14 5/15/23SM21-23 6200B11,3-Dichlorobenzene
ND 0.50 5/15/23 23:23 MFFg/L0.13 5/15/23SM21-23 6200B11,4-Dichlorobenzene
ND 0.50 5/15/23 23:23 MFFg/L0.16 5/15/23SM21-23 6200B1Dichlorodifluoromethane (Freon 12)
ND 0.50 5/15/23 23:23 MFFg/L0.14 5/15/23SM21-23 6200B11,1-Dichloroethane
ND 0.50 5/15/23 23:23 MFFg/L0.30 5/15/23SM21-23 6200B11,2-Dichloroethane
ND 0.50 5/15/23 23:23 MFFg/L0.14 5/15/23SM21-23 6200B11,1-Dichloroethylene
ND 0.50 5/15/23 23:23 MFFg/L0.14 5/15/23SM21-23 6200B1cis-1,2-Dichloroethylene
ND 0.50 5/15/23 23:23 MFFg/L0.17 5/15/23SM21-23 6200B1trans-1,2-Dichloroethylene
ND 0.50 5/15/23 23:23 MFFg/L0.19 5/15/23SM21-23 6200B11,2-Dichloropropane
ND 0.50 5/15/23 23:23 MFFg/L0.12 5/15/23SM21-23 6200B11,3-Dichloropropane
ND 0.50 5/15/23 23:23 MFFg/L0.35 5/15/23SM21-23 6200B12,2-Dichloropropane
ND 0.50 5/15/23 23:23 MFFg/L0.15 5/15/23SM21-23 6200B11,1-Dichloropropene
ND 0.50 5/15/23 23:23 MFFg/L0.16 5/15/23SM21-23 6200B1cis-1,3-Dichloropropene
ND 0.50 5/15/23 23:23 MFFg/L0.14 5/15/23SM21-23 6200B1trans-1,3-Dichloropropene
ND 0.50 5/15/23 23:23 MFFg/L0.20 5/15/23SM21-23 6200B1Diisopropyl Ether (DIPE)
ND 0.50 5/15/23 23:23 MFFg/L0.22 5/15/23SM21-23 6200B1Ethylbenzene
ND 5.0 5/15/23 23:23 MFFg/L1.2 5/15/23SM21-23 6200B12-Hexanone (MBK)
ND 0.50 5/15/23 23:23 MFFg/L0.15 5/15/23SM21-23 6200B1Isopropylbenzene (Cumene)
ND 0.50 5/15/23 23:23 MFFg/L0.13 5/15/23SM21-23 6200B1p-Isopropyltoluene (p-Cymene)
ND 0.50 5/15/23 23:23 MFFg/L0.17 5/15/23SM21-23 6200B1Methyl tert-Butyl Ether (MTBE)
ND 5.0 5/15/23 23:23 MFFg/L0.18 5/15/23SM21-23 6200B1Methylene Chloride
ND 5.0 5/15/23 23:23 MFFg/L1.3 5/15/23SM21-23 6200B14-Methyl-2-pentanone (MIBK)
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
Date Received: 5/11/2023
Work Order: 23E1563Sample Description:Project Location: Apex, NC
Sample ID: 23E1563-10
Field Sample #: Trip Blank
Sample Matrix: Trip Blank Water
Sampled: 5/10/2023 00:00
AnalystAnalyzedDilutionFlag/QualRLResultsAnalyte
Date/Time
DL Units
Date
PreparedMethod
Volatile Organic Compounds by GC/MS
ND 0.50 5/15/23 23:23 MFFg/L0.38 5/15/23SM21-23 6200B1Naphthalene
ND 0.50 5/15/23 23:23 MFFg/L0.12 5/15/23SM21-23 6200B1n-Propylbenzene
ND 0.50 5/15/23 23:23 MFFg/L0.15 5/15/23SM21-23 6200B1Styrene
ND 0.50 5/15/23 23:23 MFFg/L0.14 5/15/23SM21-23 6200B11,1,2,2-Tetrachloroethane
ND 0.50 5/15/23 23:23 MFFg/L0.17 5/15/23SM21-23 6200B1Tetrachloroethylene
ND 0.50 5/15/23 23:23 MFFg/L0.22 5/15/23SM21-23 6200B1Toluene
ND 1.0 5/15/23 23:23 MFFg/L0.34 5/15/23SM21-23 6200B11,2,3-Trichlorobenzene
ND 1.0 5/15/23 23:23 MFFg/L0.30 5/15/23SM21-23 6200B11,2,4-Trichlorobenzene
ND 0.50 5/15/23 23:23 MFFg/L0.15 5/15/23SM21-23 6200B11,1,1-Trichloroethane
ND 0.50 5/15/23 23:23 MFFg/L0.19 5/15/23SM21-23 6200B11,1,2-Trichloroethane
ND 0.50 5/15/23 23:23 MFFg/L0.17 5/15/23SM21-23 6200B1Trichloroethylene
ND 0.50 5/15/23 23:23 MFFg/L0.15 5/15/23SM21-23 6200B1Trichlorofluoromethane (Freon 11)
ND 0.50 5/15/23 23:23 MFFg/L0.28 5/15/23SM21-23 6200B1R-051,2,3-Trichloropropane
ND 0.50 5/15/23 23:23 MFFg/L0.20 5/15/23SM21-23 6200B11,2,4-Trimethylbenzene
ND 0.50 5/15/23 23:23 MFFg/L0.15 5/15/23SM21-23 6200B11,3,5-Trimethylbenzene
ND 20 5/15/23 23:23 MFFg/L1.7 5/15/23SM21-23 6200B1Vinyl Acetate
ND 0.50 5/15/23 23:23 MFFg/L0.24 5/15/23SM21-23 6200B1Vinyl Chloride
ND 1.0 5/15/23 23:23 MFFg/L0.49 5/15/23SM21-23 6200B1m+p Xylene
ND 0.50 5/15/23 23:23 MFFg/L0.24 5/15/23SM21-23 6200B1o-Xylene
Surrogates % Recovery Recovery Limits Flag/Qual
1,2-Dichloroethane-d4 99.7 5/15/23 23:2370-130
Toluene-d8 99.5 5/15/23 23:2370-130
4-Bromofluorobenzene 93.2 5/15/23 23:2370-130
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
Sample Extraction Data
Prep Method: SW-846 5030B-SM21-23 6200B
Lab Number [Field ID]Batch DateInitial [mL]Final [mL]
B340215 05/15/230.25 5.0023E1563-01 [MW-1]
B340215 05/15/230.05 5.0023E1563-04 [MW-4R]
B340215 05/15/235 5.0023E1563-05 [MW-5]
B340215 05/15/235 5.0023E1563-06 [MW-6]
B340215 05/15/235 5.0023E1563-07 [MW-7]
B340215 05/15/235 5.0023E1563-08 [DW-1]
B340215 05/15/235 5.0023E1563-09 [Eq. Rinse]
B340215 05/15/235 5.0023E1563-10 [Trip Blank]
Prep Method: SW-846 5030B-SM21-23 6200B
Lab Number [Field ID]Batch DateInitial [mL]Final [mL]
B340343 05/15/231.25 5.0023E1563-03 [MW-3R]
Prep Method: SW-846 5030B-SM21-23 6200B
Lab Number [Field ID]Batch DateInitial [mL]Final [mL]
B340602 05/18/235 5.0023E1563-02 [MW-2]
[TOC_1]Sample Preparation Information[TOC]
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
Result Limit
Reporting
Units Level
Spike
Result
Source
%REC
%REC
Limits RPD
RPD
Limit Notes Analyte
Volatile Organic Compounds by GC/MS - Quality Control
QUALITY CONTROL
[TOC_2]Volatile Organic Compounds by GC/MS[TOC]
Batch B340215 - SW-846 5030B
[TOC_3]B340215[TOC]
Blank (B340215-BLK1) Prepared & Analyzed: 05/15/23
Acetone g/L50ND
Benzene g/L0.50ND
Bromobenzene g/L0.50ND
Bromochloromethane g/L0.50ND
Bromodichloromethane g/L0.50ND
Bromoform g/L0.50ND
Bromomethane g/L2.0ND
2-Butanone (MEK)g/L5.0ND
n-Butylbenzene g/L0.50ND
sec-Butylbenzene g/L0.50ND
tert-Butylbenzene g/L0.50ND
Carbon Tetrachloride g/L0.50ND
Chlorobenzene g/L0.50ND
Ethanol g/L50ND
Chlorodibromomethane g/L0.50ND
Chloroethane g/L0.50ND
Chloroform g/L0.50ND
Chloromethane g/L0.60ND
2-Chlorotoluene g/L0.50ND
4-Chlorotoluene g/L0.50ND
1,2-Dibromoethane (EDB)g/L0.50ND
1,2-Dichlorobenzene g/L0.50ND
1,3-Dichlorobenzene g/L0.50ND
1,4-Dichlorobenzene g/L0.50ND
Dichlorodifluoromethane (Freon 12)g/L0.50ND
1,1-Dichloroethane g/L0.50ND
1,2-Dichloroethane g/L0.50ND
1,1-Dichloroethylene g/L0.50ND
cis-1,2-Dichloroethylene g/L0.50ND
trans-1,2-Dichloroethylene g/L0.50ND
1,2-Dichloropropane g/L0.50ND
1,3-Dichloropropane g/L0.50ND
2,2-Dichloropropane g/L0.50ND
1,1-Dichloropropene g/L0.50ND
cis-1,3-Dichloropropene g/L0.50ND
trans-1,3-Dichloropropene g/L0.50ND
Diisopropyl Ether (DIPE)g/L0.50ND
Ethylbenzene g/L0.50ND
2-Hexanone (MBK)g/L5.0ND
Isopropylbenzene (Cumene)g/L0.50ND
p-Isopropyltoluene (p-Cymene)g/L0.50ND
Methyl tert-Butyl Ether (MTBE)g/L0.50ND
Methylene Chloride g/L5.0ND
4-Methyl-2-pentanone (MIBK)g/L5.0ND
Naphthalene g/L0.50ND
n-Propylbenzene g/L0.50ND
Styrene g/L0.50ND
1,1,2,2-Tetrachloroethane g/L0.50ND
Tetrachloroethylene g/L0.50ND
Toluene g/L0.50ND
1,2,3-Trichlorobenzene g/L1.0ND
1,2,4-Trichlorobenzene g/L0.50ND
[TOC_1]QC Data[TOC]
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
Result Limit
Reporting
Units Level
Spike
Result
Source
%REC
%REC
Limits RPD
RPD
Limit Notes Analyte
Volatile Organic Compounds by GC/MS - Quality Control
QUALITY CONTROL
Batch B340215 - SW-846 5030B
Blank (B340215-BLK1) Prepared & Analyzed: 05/15/23
1,1,1-Trichloroethane g/L0.50ND
1,1,2-Trichloroethane g/L0.50ND
Trichloroethylene g/L0.50ND
Trichlorofluoromethane (Freon 11)g/L0.50ND
1,2,3-Trichloropropane g/L0.50 R-05ND
1,2,4-Trimethylbenzene g/L0.50ND
1,3,5-Trimethylbenzene g/L0.50ND
Vinyl Acetate g/L20ND
Vinyl Chloride g/L0.50ND
m+p Xylene g/L1.0ND
o-Xylene g/L0.50ND
g/L 25.0 70-130Surrogate: 1,2-Dichloroethane-d4 97.524.4
g/L 25.0 70-130Surrogate: Toluene-d8 97.224.3
g/L 25.0 70-130Surrogate: 4-Bromofluorobenzene 92.023.0
LCS (B340215-BS1) Prepared & Analyzed: 05/15/23
Acetone g/L50 100 70-13093.093.0
Benzene g/L0.50 10.0 70-13011411.4
Bromobenzene g/L0.50 10.0 70-13010310.3
Bromochloromethane g/L0.50 10.0 70-13011711.7
Bromodichloromethane g/L0.50 10.0 70-13097.69.76
Bromoform g/L0.50 10.0 70-13082.38.23
Bromomethane g/L2.0 10.0 60-14013513.5
2-Butanone (MEK)g/L5.0 100 70-130104104
n-Butylbenzene g/L0.50 10.0 70-13010410.4
sec-Butylbenzene g/L0.50 10.0 70-13099.69.96
tert-Butylbenzene g/L0.50 10.0 70-13010110.1
Carbon Tetrachloride g/L0.50 10.0 70-13094.69.46
Chlorobenzene g/L0.50 10.0 70-13011011.0
Ethanol g/L50 100 70-13086.286.2
Chlorodibromomethane g/L0.50 10.0 70-13095.39.53
Chloroethane g/L0.50 10.0 60-14098.09.80
Chloroform g/L0.50 10.0 70-13010510.5
Chloromethane g/L0.60 10.0 60-14010910.9
2-Chlorotoluene g/L0.50 10.0 70-13010510.5
4-Chlorotoluene g/L0.50 10.0 70-13010410.4
1,2-Dibromoethane (EDB)g/L0.50 10.0 70-13099.29.92
1,2-Dichlorobenzene g/L0.50 10.0 70-13010610.6
1,3-Dichlorobenzene g/L0.50 10.0 70-13010910.9
1,4-Dichlorobenzene g/L0.50 10.0 70-13010610.6
Dichlorodifluoromethane (Freon 12)g/L0.50 10.0 60-14093.39.33
1,1-Dichloroethane g/L0.50 10.0 70-13010510.5
1,2-Dichloroethane g/L0.50 10.0 70-13010810.8
1,1-Dichloroethylene g/L0.50 10.0 70-13096.89.68
cis-1,2-Dichloroethylene g/L0.50 10.0 70-13010210.2
trans-1,2-Dichloroethylene g/L0.50 10.0 70-13099.89.98
1,2-Dichloropropane g/L0.50 10.0 70-13010510.5
1,3-Dichloropropane g/L0.50 10.0 70-13010310.3
2,2-Dichloropropane g/L0.50 10.0 70-13084.08.40
1,1-Dichloropropene g/L0.50 10.0 70-13010610.6
cis-1,3-Dichloropropene g/L0.50 10.0 70-13010110.1
trans-1,3-Dichloropropene g/L0.50 10.0 70-13097.79.77
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
Result Limit
Reporting
Units Level
Spike
Result
Source
%REC
%REC
Limits RPD
RPD
Limit Notes Analyte
Volatile Organic Compounds by GC/MS - Quality Control
QUALITY CONTROL
Batch B340215 - SW-846 5030B
LCS (B340215-BS1) Prepared & Analyzed: 05/15/23
Diisopropyl Ether (DIPE)g/L0.50 10.0 70-13010710.7
Ethylbenzene g/L0.50 10.0 70-13010910.9
2-Hexanone (MBK)g/L5.0 100 70-13087.687.6
Isopropylbenzene (Cumene)g/L0.50 10.0 70-13010310.3
p-Isopropyltoluene (p-Cymene)g/L0.50 10.0 70-13010210.2
Methyl tert-Butyl Ether (MTBE)g/L0.50 10.0 70-13096.39.63
Methylene Chloride g/L5.0 10.0 70-13010210.2
4-Methyl-2-pentanone (MIBK)g/L5.0 100 70-13085.885.8
Naphthalene g/L0.50 10.0 70-13089.98.99
n-Propylbenzene g/L0.50 10.0 70-13010610.6
Styrene g/L0.50 10.0 70-13010710.7
1,1,2,2-Tetrachloroethane g/L0.50 10.0 70-13095.49.54
Tetrachloroethylene g/L0.50 10.0 70-13010710.7
Toluene g/L0.50 10.0 70-13010610.6
1,2,3-Trichlorobenzene g/L1.0 10.0 70-13010210.2
1,2,4-Trichlorobenzene g/L0.50 10.0 70-13010310.3
1,1,1-Trichloroethane g/L0.50 10.0 70-13099.69.96
1,1,2-Trichloroethane g/L0.50 10.0 70-13010110.1
Trichloroethylene g/L0.50 10.0 70-13010310.3
Trichlorofluoromethane (Freon 11)g/L0.50 10.0 70-13096.39.63
1,2,3-Trichloropropane g/L0.50 10.0 R-0570-13012012.0
1,2,4-Trimethylbenzene g/L0.50 10.0 70-13010410.4
1,3,5-Trimethylbenzene g/L0.50 10.0 70-13010210.2
Vinyl Acetate g/L20 100 70-13082.882.8
Vinyl Chloride g/L0.50 10.0 60-14099.29.92
m+p Xylene g/L1.0 20.0 70-13010821.7
o-Xylene g/L0.50 10.0 70-13010510.5
g/L 25.0 70-130Surrogate: 1,2-Dichloroethane-d4 95.924.0
g/L 25.0 70-130Surrogate: Toluene-d8 10025.0
g/L 25.0 70-130Surrogate: 4-Bromofluorobenzene 96.824.2
LCS Dup (B340215-BSD1) Prepared & Analyzed: 05/15/23
Acetone g/L50 100 2570-13092.1 0.87592.1
Benzene g/L0.50 10.0 2570-130115 0.43711.5
Bromobenzene g/L0.50 10.0 2570-130106 2.7810.6
Bromochloromethane g/L0.50 10.0 2570-130114 2.6911.4
Bromodichloromethane g/L0.50 10.0 2570-13085.4 13.38.54
Bromoform g/L0.50 10.0 2570-13079.5 3.467.95
Bromomethane g/L2.0 10.0 2560-140139 2.4813.9
2-Butanone (MEK)g/L5.0 100 2570-130101 3.62101
n-Butylbenzene g/L0.50 10.0 2570-130105 0.85810.5
sec-Butylbenzene g/L0.50 10.0 2570-130101 0.99910.1
tert-Butylbenzene g/L0.50 10.0 2570-13099.3 1.509.93
Carbon Tetrachloride g/L0.50 10.0 2570-13096.5 1.999.65
Chlorobenzene g/L0.50 10.0 2570-130110 0.18111.0
Ethanol g/L50 100 2570-13083.4 3.1883.4
Chlorodibromomethane g/L0.50 10.0 2570-13081.9 15.18.19
Chloroethane g/L0.50 10.0 2560-140101 2.7210.1
Chloroform g/L0.50 10.0 2570-130103 1.8210.3
Chloromethane g/L0.60 10.0 2560-140108 1.2010.8
2-Chlorotoluene g/L0.50 10.0 2570-130105 0.0010.5
4-Chlorotoluene g/L0.50 10.0 2570-130107 3.2210.7
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
Result Limit
Reporting
Units Level
Spike
Result
Source
%REC
%REC
Limits RPD
RPD
Limit Notes Analyte
Volatile Organic Compounds by GC/MS - Quality Control
QUALITY CONTROL
Batch B340215 - SW-846 5030B
LCS Dup (B340215-BSD1) Prepared & Analyzed: 05/15/23
1,2-Dibromoethane (EDB)g/L0.50 10.0 2570-13091.6 7.979.16
1,2-Dichlorobenzene g/L0.50 10.0 2570-130108 1.2110.8
1,3-Dichlorobenzene g/L0.50 10.0 2570-130106 3.3610.6
1,4-Dichlorobenzene g/L0.50 10.0 2570-130102 3.1710.2
Dichlorodifluoromethane (Freon 12)g/L0.50 10.0 2560-14096.0 2.859.60
1,1-Dichloroethane g/L0.50 10.0 2570-130104 0.96110.4
1,2-Dichloroethane g/L0.50 10.0 2570-13095.5 12.19.55
1,1-Dichloroethylene g/L0.50 10.0 2570-13097.4 0.6189.74
cis-1,2-Dichloroethylene g/L0.50 10.0 2570-130102 0.49010.2
trans-1,2-Dichloroethylene g/L0.50 10.0 2570-13098.2 1.629.82
1,2-Dichloropropane g/L0.50 10.0 2570-13094.0 10.89.40
1,3-Dichloropropane g/L0.50 10.0 2570-13093.2 9.999.32
2,2-Dichloropropane g/L0.50 10.0 2570-13083.0 1.208.30
1,1-Dichloropropene g/L0.50 10.0 2570-130106 0.28210.6
cis-1,3-Dichloropropene g/L0.50 10.0 2570-13087.3 14.28.73
trans-1,3-Dichloropropene g/L0.50 10.0 2570-13084.0 15.18.40
Diisopropyl Ether (DIPE)g/L0.50 10.0 2570-130108 1.1210.8
Ethylbenzene g/L0.50 10.0 2570-130111 1.7211.1
2-Hexanone (MBK)g/L5.0 100 2570-13079.9 9.1079.9
Isopropylbenzene (Cumene)g/L0.50 10.0 2570-130106 2.5910.6
p-Isopropyltoluene (p-Cymene)g/L0.50 10.0 2570-130102 0.49110.2
Methyl tert-Butyl Ether (MTBE)g/L0.50 10.0 2570-13095.2 1.159.52
Methylene Chloride g/L5.0 10.0 2570-13099.6 1.999.96
4-Methyl-2-pentanone (MIBK)g/L5.0 100 2570-13076.6 11.376.6
Naphthalene g/L0.50 10.0 2570-13088.4 1.688.84
n-Propylbenzene g/L0.50 10.0 2570-130109 2.7010.9
Styrene g/L0.50 10.0 2570-130107 0.65510.7
1,1,2,2-Tetrachloroethane g/L0.50 10.0 2570-13095.8 0.4189.58
Tetrachloroethylene g/L0.50 10.0 2570-13096.2 10.79.62
Toluene g/L0.50 10.0 2570-13098.4 7.539.84
1,2,3-Trichlorobenzene g/L1.0 10.0 2570-130100 1.4810.0
1,2,4-Trichlorobenzene g/L0.50 10.0 2570-13099.6 3.369.96
1,1,1-Trichloroethane g/L0.50 10.0 2570-13099.8 0.2019.98
1,1,2-Trichloroethane g/L0.50 10.0 2570-13092.7 8.379.27
Trichloroethylene g/L0.50 10.0 2570-130105 1.8310.5
Trichlorofluoromethane (Freon 11)g/L0.50 10.0 2570-13098.8 2.569.88
1,2,3-Trichloropropane g/L0.50 10.0 25 R-0570-13085.8 33.1 *8.58
1,2,4-Trimethylbenzene g/L0.50 10.0 2570-130102 1.4610.2
1,3,5-Trimethylbenzene g/L0.50 10.0 2570-130106 3.9610.6
Vinyl Acetate g/L20 100 2570-13084.0 1.4984.0
Vinyl Chloride g/L0.50 10.0 2560-140100 1.2010.0
m+p Xylene g/L1.0 20.0 2570-130110 1.6022.0
o-Xylene g/L0.50 10.0 2570-130107 1.6910.7
g/L 25.0 70-130Surrogate: 1,2-Dichloroethane-d4 96.024.0
g/L 25.0 70-130Surrogate: Toluene-d8 89.722.4
g/L 25.0 70-130Surrogate: 4-Bromofluorobenzene 98.324.6
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
Result Limit
Reporting
Units Level
Spike
Result
Source
%REC
%REC
Limits RPD
RPD
Limit Notes Analyte
Volatile Organic Compounds by GC/MS - Quality Control
QUALITY CONTROL
Batch B340343 - SW-846 5030B
[TOC_3]B340343[TOC]
Blank (B340343-BLK1) Prepared: 05/16/23 Analyzed: 05/18/23
Acetone g/L50ND
Benzene g/L0.50ND
Bromobenzene g/L0.50ND
Bromochloromethane g/L0.50ND
Bromodichloromethane g/L0.50ND
Bromoform g/L0.50ND
Bromomethane g/L2.0ND
2-Butanone (MEK)g/L5.0ND
n-Butylbenzene g/L0.50ND
sec-Butylbenzene g/L0.50ND
tert-Butylbenzene g/L0.50ND
Carbon Tetrachloride g/L0.50ND
Chlorobenzene g/L0.50ND
Ethanol g/L50ND
Chlorodibromomethane g/L0.50ND
Chloroethane g/L0.50ND
Chloroform g/L0.50ND
Chloromethane g/L0.60ND
2-Chlorotoluene g/L0.50ND
4-Chlorotoluene g/L0.50ND
1,2-Dibromoethane (EDB)g/L0.50ND
1,2-Dichlorobenzene g/L0.50ND
1,3-Dichlorobenzene g/L0.50ND
1,4-Dichlorobenzene g/L0.50ND
Dichlorodifluoromethane (Freon 12)g/L0.50ND
1,1-Dichloroethane g/L0.50ND
1,2-Dichloroethane g/L0.50ND
1,1-Dichloroethylene g/L0.50ND
cis-1,2-Dichloroethylene g/L0.50ND
trans-1,2-Dichloroethylene g/L0.50ND
1,2-Dichloropropane g/L0.50ND
1,3-Dichloropropane g/L0.50ND
2,2-Dichloropropane g/L0.50ND
1,1-Dichloropropene g/L0.50ND
cis-1,3-Dichloropropene g/L0.50ND
trans-1,3-Dichloropropene g/L0.50ND
Diisopropyl Ether (DIPE)g/L0.50ND
Ethylbenzene g/L0.50ND
2-Hexanone (MBK)g/L5.0ND
Isopropylbenzene (Cumene)g/L0.50ND
p-Isopropyltoluene (p-Cymene)g/L0.50ND
Methyl tert-Butyl Ether (MTBE)g/L0.50ND
Methylene Chloride g/L5.0ND
4-Methyl-2-pentanone (MIBK)g/L5.0ND
Naphthalene g/L0.50ND
n-Propylbenzene g/L0.50ND
Styrene g/L0.50ND
1,1,2,2-Tetrachloroethane g/L0.50ND
Tetrachloroethylene g/L0.50ND
Toluene g/L0.50ND
1,2,3-Trichlorobenzene g/L1.0ND
1,2,4-Trichlorobenzene g/L0.50ND
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
Result Limit
Reporting
Units Level
Spike
Result
Source
%REC
%REC
Limits RPD
RPD
Limit Notes Analyte
Volatile Organic Compounds by GC/MS - Quality Control
QUALITY CONTROL
Batch B340343 - SW-846 5030B
Blank (B340343-BLK1) Prepared: 05/16/23 Analyzed: 05/18/23
1,1,1-Trichloroethane g/L0.50ND
1,1,2-Trichloroethane g/L0.50ND
Trichloroethylene g/L0.50ND
Trichlorofluoromethane (Freon 11)g/L0.50ND
1,2,3-Trichloropropane g/L0.50ND
1,2,4-Trimethylbenzene g/L0.50ND
1,3,5-Trimethylbenzene g/L0.50ND
Vinyl Acetate g/L20ND
Vinyl Chloride g/L0.50ND
m+p Xylene g/L1.0ND
o-Xylene g/L0.50ND
g/L 25.0 70-130Surrogate: 1,2-Dichloroethane-d4 10225.6
g/L 25.0 70-130Surrogate: Toluene-d8 10025.1
g/L 25.0 70-130Surrogate: 4-Bromofluorobenzene 98.324.6
LCS (B340343-BS1) Prepared: 05/16/23 Analyzed: 05/17/23
Acetone g/L50 100 70-13084.684.6
Benzene g/L0.50 10.0 70-13010610.6
Bromobenzene g/L0.50 10.0 70-13010410.4
Bromochloromethane g/L0.50 10.0 70-13010810.8
Bromodichloromethane g/L0.50 10.0 70-13099.49.94
Bromoform g/L0.50 10.0 70-13084.28.42
Bromomethane g/L2.0 10.0 60-14010510.5
2-Butanone (MEK)g/L5.0 100 70-130105105
n-Butylbenzene g/L0.50 10.0 70-13098.69.86
sec-Butylbenzene g/L0.50 10.0 70-13010110.1
tert-Butylbenzene g/L0.50 10.0 70-13010110.1
Carbon Tetrachloride g/L0.50 10.0 70-13010210.2
Chlorobenzene g/L0.50 10.0 70-13099.99.99
Ethanol g/L50 100 70-13092.092.0
Chlorodibromomethane g/L0.50 10.0 70-13097.89.78
Chloroethane g/L0.50 10.0 60-14096.59.65
Chloroform g/L0.50 10.0 70-13010810.8
Chloromethane g/L0.60 10.0 60-14011811.8
2-Chlorotoluene g/L0.50 10.0 70-13092.59.25
4-Chlorotoluene g/L0.50 10.0 70-13099.09.90
1,2-Dibromoethane (EDB)g/L0.50 10.0 70-13010510.5
1,2-Dichlorobenzene g/L0.50 10.0 70-13010210.2
1,3-Dichlorobenzene g/L0.50 10.0 70-13010410.4
1,4-Dichlorobenzene g/L0.50 10.0 70-13099.19.91
Dichlorodifluoromethane (Freon 12)g/L0.50 10.0 60-14084.78.47
1,1-Dichloroethane g/L0.50 10.0 70-13011211.2
1,2-Dichloroethane g/L0.50 10.0 70-13010210.2
1,1-Dichloroethylene g/L0.50 10.0 70-13081.88.18
cis-1,2-Dichloroethylene g/L0.50 10.0 70-13010910.9
trans-1,2-Dichloroethylene g/L0.50 10.0 70-13010810.8
1,2-Dichloropropane g/L0.50 10.0 70-13010210.2
1,3-Dichloropropane g/L0.50 10.0 70-13010610.6
2,2-Dichloropropane g/L0.50 10.0 70-13085.68.56
1,1-Dichloropropene g/L0.50 10.0 70-13010610.6
cis-1,3-Dichloropropene g/L0.50 10.0 70-13010310.3
trans-1,3-Dichloropropene g/L0.50 10.0 70-13010110.1
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
Result Limit
Reporting
Units Level
Spike
Result
Source
%REC
%REC
Limits RPD
RPD
Limit Notes Analyte
Volatile Organic Compounds by GC/MS - Quality Control
QUALITY CONTROL
Batch B340343 - SW-846 5030B
LCS (B340343-BS1) Prepared: 05/16/23 Analyzed: 05/17/23
Diisopropyl Ether (DIPE)g/L0.50 10.0 70-13010310.3
Ethylbenzene g/L0.50 10.0 70-13010110.1
2-Hexanone (MBK)g/L5.0 100 70-130107107
Isopropylbenzene (Cumene)g/L0.50 10.0 70-13097.89.78
p-Isopropyltoluene (p-Cymene)g/L0.50 10.0 70-13097.89.78
Methyl tert-Butyl Ether (MTBE)g/L0.50 10.0 70-13099.49.94
Methylene Chloride g/L5.0 10.0 70-13083.68.36
4-Methyl-2-pentanone (MIBK)g/L5.0 100 70-130106106
Naphthalene g/L0.50 10.0 70-13096.89.68
n-Propylbenzene g/L0.50 10.0 70-13097.79.77
Styrene g/L0.50 10.0 70-13099.09.90
1,1,2,2-Tetrachloroethane g/L0.50 10.0 70-13099.59.95
Tetrachloroethylene g/L0.50 10.0 70-13010210.2
Toluene g/L0.50 10.0 70-13010510.5
1,2,3-Trichlorobenzene g/L1.0 10.0 70-13010410.4
1,2,4-Trichlorobenzene g/L0.50 10.0 70-13099.59.95
1,1,1-Trichloroethane g/L0.50 10.0 70-13010610.6
1,1,2-Trichloroethane g/L0.50 10.0 70-13010810.8
Trichloroethylene g/L0.50 10.0 70-13010810.8
Trichlorofluoromethane (Freon 11)g/L0.50 10.0 70-13076.37.63
1,2,3-Trichloropropane g/L0.50 10.0 70-13010710.7
1,2,4-Trimethylbenzene g/L0.50 10.0 70-13010210.2
1,3,5-Trimethylbenzene g/L0.50 10.0 70-13096.79.67
Vinyl Acetate g/L20 100 70-13098.098.0
Vinyl Chloride g/L0.50 10.0 60-14073.77.37
m+p Xylene g/L1.0 20.0 70-13099.820.0
o-Xylene g/L0.50 10.0 70-13010310.3
g/L 25.0 70-130Surrogate: 1,2-Dichloroethane-d4 10325.7
g/L 25.0 70-130Surrogate: Toluene-d8 10025.1
g/L 25.0 70-130Surrogate: 4-Bromofluorobenzene 10125.4
LCS Dup (B340343-BSD1) Prepared: 05/16/23 Analyzed: 05/17/23
Acetone g/L50 100 2570-13088.4 4.4488.4
Benzene g/L0.50 10.0 2570-130109 2.8910.9
Bromobenzene g/L0.50 10.0 2570-130106 2.3810.6
Bromochloromethane g/L0.50 10.0 2570-130112 4.0911.2
Bromodichloromethane g/L0.50 10.0 2570-130101 1.6010.1
Bromoform g/L0.50 10.0 2570-13084.3 0.1198.43
Bromomethane g/L2.0 10.0 2560-140110 5.4011.0
2-Butanone (MEK)g/L5.0 100 2570-130103 2.26103
n-Butylbenzene g/L0.50 10.0 2570-130104 5.2310.4
sec-Butylbenzene g/L0.50 10.0 2570-130107 5.2010.7
tert-Butylbenzene g/L0.50 10.0 2570-130107 5.9510.7
Carbon Tetrachloride g/L0.50 10.0 2570-130107 4.8710.7
Chlorobenzene g/L0.50 10.0 2570-130104 4.4110.4
Ethanol g/L50 100 2570-13094.3 2.4994.3
Chlorodibromomethane g/L0.50 10.0 2570-13099.4 1.629.94
Chloroethane g/L0.50 10.0 2560-14089.8 7.198.98
Chloroform g/L0.50 10.0 2570-130109 1.6610.9
Chloromethane g/L0.60 10.0 2560-14099.3 17.09.93
2-Chlorotoluene g/L0.50 10.0 2570-13095.6 3.309.56
4-Chlorotoluene g/L0.50 10.0 2570-130104 4.5410.4
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
Result Limit
Reporting
Units Level
Spike
Result
Source
%REC
%REC
Limits RPD
RPD
Limit Notes Analyte
Volatile Organic Compounds by GC/MS - Quality Control
QUALITY CONTROL
Batch B340343 - SW-846 5030B
LCS Dup (B340343-BSD1) Prepared: 05/16/23 Analyzed: 05/17/23
1,2-Dibromoethane (EDB)g/L0.50 10.0 2570-130105 0.19010.5
1,2-Dichlorobenzene g/L0.50 10.0 2570-130106 4.7110.6
1,3-Dichlorobenzene g/L0.50 10.0 2570-130107 2.7510.7
1,4-Dichlorobenzene g/L0.50 10.0 2570-130102 2.8810.2
Dichlorodifluoromethane (Freon 12)g/L0.50 10.0 2560-14087.5 3.258.75
1,1-Dichloroethane g/L0.50 10.0 2570-130116 3.6811.6
1,2-Dichloroethane g/L0.50 10.0 2570-130103 0.78010.3
1,1-Dichloroethylene g/L0.50 10.0 2570-13084.8 3.608.48
cis-1,2-Dichloroethylene g/L0.50 10.0 2570-130113 3.8811.3
trans-1,2-Dichloroethylene g/L0.50 10.0 2570-130112 3.0911.2
1,2-Dichloropropane g/L0.50 10.0 2570-130108 5.2510.8
1,3-Dichloropropane g/L0.50 10.0 2570-130109 2.2310.9
2,2-Dichloropropane g/L0.50 10.0 2570-13085.1 0.5868.51
1,1-Dichloropropene g/L0.50 10.0 2570-130111 4.7011.1
cis-1,3-Dichloropropene g/L0.50 10.0 2570-130106 2.7810.6
trans-1,3-Dichloropropene g/L0.50 10.0 2570-130101 0.29610.1
Diisopropyl Ether (DIPE)g/L0.50 10.0 2570-130108 3.8910.8
Ethylbenzene g/L0.50 10.0 2570-130105 3.8910.5
2-Hexanone (MBK)g/L5.0 100 2570-130108 0.569108
Isopropylbenzene (Cumene)g/L0.50 10.0 2570-130101 3.6110.1
p-Isopropyltoluene (p-Cymene)g/L0.50 10.0 2570-130102 4.3010.2
Methyl tert-Butyl Ether (MTBE)g/L0.50 10.0 2570-13098.6 0.8089.86
Methylene Chloride g/L5.0 10.0 2570-13082.8 0.9628.28
4-Methyl-2-pentanone (MIBK)g/L5.0 100 2570-130104 1.61104
Naphthalene g/L0.50 10.0 2570-13098.7 1.949.87
n-Propylbenzene g/L0.50 10.0 2570-130103 5.3810.3
Styrene g/L0.50 10.0 2570-130101 1.6010.1
1,1,2,2-Tetrachloroethane g/L0.50 10.0 2570-13098.7 0.8079.87
Tetrachloroethylene g/L0.50 10.0 2570-130108 5.2310.8
Toluene g/L0.50 10.0 2570-130109 4.3910.9
1,2,3-Trichlorobenzene g/L1.0 10.0 2570-130108 4.1510.8
1,2,4-Trichlorobenzene g/L0.50 10.0 2570-13099.7 0.2019.97
1,1,1-Trichloroethane g/L0.50 10.0 2570-130110 3.9011.0
1,1,2-Trichloroethane g/L0.50 10.0 2570-130110 1.7411.0
Trichloroethylene g/L0.50 10.0 2570-130112 4.0911.2
Trichlorofluoromethane (Freon 11)g/L0.50 10.0 2570-13079.1 3.607.91
1,2,3-Trichloropropane g/L0.50 10.0 2570-130109 2.1310.9
1,2,4-Trimethylbenzene g/L0.50 10.0 2570-130107 4.6110.7
1,3,5-Trimethylbenzene g/L0.50 10.0 2570-130101 4.4510.1
Vinyl Acetate g/L20 100 2570-13087.3 11.587.3
Vinyl Chloride g/L0.50 10.0 2560-14081.2 9.688.12
m+p Xylene g/L1.0 20.0 2570-130104 4.0220.8
o-Xylene g/L0.50 10.0 2570-130106 3.1510.6
g/L 25.0 70-130Surrogate: 1,2-Dichloroethane-d4 10325.7
g/L 25.0 70-130Surrogate: Toluene-d8 99.224.8
g/L 25.0 70-130Surrogate: 4-Bromofluorobenzene 10125.2
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
Result Limit
Reporting
Units Level
Spike
Result
Source
%REC
%REC
Limits RPD
RPD
Limit Notes Analyte
Volatile Organic Compounds by GC/MS - Quality Control
QUALITY CONTROL
Batch B340602 - SW-846 5030B
[TOC_3]B340602[TOC]
Blank (B340602-BLK1) Prepared & Analyzed: 05/18/23
Acetone g/L50ND
Benzene g/L0.50ND
Bromobenzene g/L0.50ND
Bromochloromethane g/L0.50ND
Bromodichloromethane g/L0.50ND
Bromoform g/L0.50ND
Bromomethane g/L2.0ND
2-Butanone (MEK)g/L5.0ND
n-Butylbenzene g/L0.50ND
sec-Butylbenzene g/L0.50ND
tert-Butylbenzene g/L0.50ND
Carbon Tetrachloride g/L0.50ND
Chlorobenzene g/L0.50ND
Ethanol g/L50ND
Chlorodibromomethane g/L0.50ND
Chloroethane g/L0.50ND
Chloroform g/L0.50ND
Chloromethane g/L0.60ND
2-Chlorotoluene g/L0.50ND
4-Chlorotoluene g/L0.50ND
1,2-Dibromoethane (EDB)g/L0.50ND
1,2-Dichlorobenzene g/L0.50ND
1,3-Dichlorobenzene g/L0.50ND
1,4-Dichlorobenzene g/L0.50ND
Dichlorodifluoromethane (Freon 12)g/L0.50ND
1,1-Dichloroethane g/L0.50ND
1,2-Dichloroethane g/L0.50ND
1,1-Dichloroethylene g/L0.50ND
cis-1,2-Dichloroethylene g/L0.50ND
trans-1,2-Dichloroethylene g/L0.50ND
1,2-Dichloropropane g/L0.50ND
1,3-Dichloropropane g/L0.50ND
2,2-Dichloropropane g/L0.50ND
1,1-Dichloropropene g/L0.50ND
cis-1,3-Dichloropropene g/L0.50ND
trans-1,3-Dichloropropene g/L0.50ND
Diisopropyl Ether (DIPE)g/L0.50ND
Ethylbenzene g/L0.50ND
2-Hexanone (MBK)g/L5.0ND
Isopropylbenzene (Cumene)g/L0.50ND
p-Isopropyltoluene (p-Cymene)g/L0.50ND
Methyl tert-Butyl Ether (MTBE)g/L0.50ND
Methylene Chloride g/L5.0ND
4-Methyl-2-pentanone (MIBK)g/L5.0ND
Naphthalene g/L0.50ND
n-Propylbenzene g/L0.50ND
Styrene g/L0.50ND
1,1,2,2-Tetrachloroethane g/L0.50ND
Tetrachloroethylene g/L0.50ND
Toluene g/L0.50ND
1,2,3-Trichlorobenzene g/L1.0ND
1,2,4-Trichlorobenzene g/L0.50ND
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
Result Limit
Reporting
Units Level
Spike
Result
Source
%REC
%REC
Limits RPD
RPD
Limit Notes Analyte
Volatile Organic Compounds by GC/MS - Quality Control
QUALITY CONTROL
Batch B340602 - SW-846 5030B
Blank (B340602-BLK1) Prepared & Analyzed: 05/18/23
1,1,1-Trichloroethane g/L0.50ND
1,1,2-Trichloroethane g/L0.50ND
Trichloroethylene g/L0.50ND
Trichlorofluoromethane (Freon 11)g/L0.50ND
1,2,3-Trichloropropane g/L0.50ND
1,2,4-Trimethylbenzene g/L0.50ND
1,3,5-Trimethylbenzene g/L0.50ND
Vinyl Acetate g/L20ND
Vinyl Chloride g/L0.50ND
m+p Xylene g/L1.0ND
o-Xylene g/L0.50ND
g/L 25.0 70-130Surrogate: 1,2-Dichloroethane-d4 96.224.0
g/L 25.0 70-130Surrogate: Toluene-d8 99.224.8
g/L 25.0 70-130Surrogate: 4-Bromofluorobenzene 96.024.0
LCS (B340602-BS1) Prepared & Analyzed: 05/18/23
Acetone g/L50 100 70-13089.289.2
Benzene g/L0.50 10.0 70-13011211.2
Bromobenzene g/L0.50 10.0 70-13010210.2
Bromochloromethane g/L0.50 10.0 70-13011511.5
Bromodichloromethane g/L0.50 10.0 70-13099.29.92
Bromoform g/L0.50 10.0 70-13079.07.90
Bromomethane g/L2.0 10.0 60-14011911.9
2-Butanone (MEK)g/L5.0 100 70-130101101
n-Butylbenzene g/L0.50 10.0 70-13010710.7
sec-Butylbenzene g/L0.50 10.0 70-13010210.2
tert-Butylbenzene g/L0.50 10.0 70-13010110.1
Carbon Tetrachloride g/L0.50 10.0 70-13010110.1
Chlorobenzene g/L0.50 10.0 70-13010510.5
Ethanol g/L50 100 70-13072.772.7
Chlorodibromomethane g/L0.50 10.0 70-13093.79.37
Chloroethane g/L0.50 10.0 60-14093.59.35
Chloroform g/L0.50 10.0 70-13010210.2
Chloromethane g/L0.60 10.0 60-14010110.1
2-Chlorotoluene g/L0.50 10.0 70-13010210.2
4-Chlorotoluene g/L0.50 10.0 70-13010310.3
1,2-Dibromoethane (EDB)g/L0.50 10.0 70-13010110.1
1,2-Dichlorobenzene g/L0.50 10.0 70-13010410.4
1,3-Dichlorobenzene g/L0.50 10.0 70-13010210.2
1,4-Dichlorobenzene g/L0.50 10.0 70-13010010.0
Dichlorodifluoromethane (Freon 12)g/L0.50 10.0 60-14097.69.76
1,1-Dichloroethane g/L0.50 10.0 70-13010410.4
1,2-Dichloroethane g/L0.50 10.0 70-13094.79.47
1,1-Dichloroethylene g/L0.50 10.0 70-13093.99.39
cis-1,2-Dichloroethylene g/L0.50 10.0 70-13010310.3
trans-1,2-Dichloroethylene g/L0.50 10.0 70-13098.39.83
1,2-Dichloropropane g/L0.50 10.0 70-13010910.9
1,3-Dichloropropane g/L0.50 10.0 70-13010710.7
2,2-Dichloropropane g/L0.50 10.0 70-13085.68.56
1,1-Dichloropropene g/L0.50 10.0 70-13010410.4
cis-1,3-Dichloropropene g/L0.50 10.0 70-13010510.5
trans-1,3-Dichloropropene g/L0.50 10.0 70-13098.09.80
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
Result Limit
Reporting
Units Level
Spike
Result
Source
%REC
%REC
Limits RPD
RPD
Limit Notes Analyte
Volatile Organic Compounds by GC/MS - Quality Control
QUALITY CONTROL
Batch B340602 - SW-846 5030B
LCS (B340602-BS1) Prepared & Analyzed: 05/18/23
Diisopropyl Ether (DIPE)g/L0.50 10.0 70-13010810.8
Ethylbenzene g/L0.50 10.0 70-13010610.6
2-Hexanone (MBK)g/L5.0 100 70-13090.890.8
Isopropylbenzene (Cumene)g/L0.50 10.0 70-13010310.3
p-Isopropyltoluene (p-Cymene)g/L0.50 10.0 70-13010410.4
Methyl tert-Butyl Ether (MTBE)g/L0.50 10.0 70-13097.69.76
Methylene Chloride g/L5.0 10.0 70-13099.09.90
4-Methyl-2-pentanone (MIBK)g/L5.0 100 70-13089.889.8
Naphthalene g/L0.50 10.0 70-13093.29.32
n-Propylbenzene g/L0.50 10.0 70-13010410.4
Styrene g/L0.50 10.0 70-13010710.7
1,1,2,2-Tetrachloroethane g/L0.50 10.0 70-13090.69.06
Tetrachloroethylene g/L0.50 10.0 70-13010010.0
Toluene g/L0.50 10.0 70-13010610.6
1,2,3-Trichlorobenzene g/L1.0 10.0 70-13010110.1
1,2,4-Trichlorobenzene g/L0.50 10.0 70-13010010.0
1,1,1-Trichloroethane g/L0.50 10.0 70-13098.89.88
1,1,2-Trichloroethane g/L0.50 10.0 70-13010410.4
Trichloroethylene g/L0.50 10.0 70-13010410.4
Trichlorofluoromethane (Freon 11)g/L0.50 10.0 70-13091.49.14
1,2,3-Trichloropropane g/L0.50 10.0 70-13012012.0
1,2,4-Trimethylbenzene g/L0.50 10.0 70-13010110.1
1,3,5-Trimethylbenzene g/L0.50 10.0 70-13010210.2
Vinyl Acetate g/L20 100 70-13079.979.9
Vinyl Chloride g/L0.50 10.0 60-14011211.2
m+p Xylene g/L1.0 20.0 70-13010420.8
o-Xylene g/L0.50 10.0 70-13010210.2
g/L 25.0 70-130Surrogate: 1,2-Dichloroethane-d4 93.923.5
g/L 25.0 70-130Surrogate: Toluene-d8 10125.3
g/L 25.0 70-130Surrogate: 4-Bromofluorobenzene 99.124.8
LCS Dup (B340602-BSD1) Prepared & Analyzed: 05/18/23
Acetone g/L50 100 2570-13091.2 2.2591.2
Benzene g/L0.50 10.0 2570-130110 2.3411.0
Bromobenzene g/L0.50 10.0 2570-130104 1.7410.4
Bromochloromethane g/L0.50 10.0 2570-130112 2.5611.2
Bromodichloromethane g/L0.50 10.0 2570-13098.4 0.8109.84
Bromoform g/L0.50 10.0 2570-13079.6 0.7577.96
Bromomethane g/L2.0 10.0 2560-140123 3.4612.3
2-Butanone (MEK)g/L5.0 100 2570-130101 0.148101
n-Butylbenzene g/L0.50 10.0 2570-130102 4.4010.2
sec-Butylbenzene g/L0.50 10.0 2570-130100 1.7810.0
tert-Butylbenzene g/L0.50 10.0 2570-13099.2 2.099.92
Carbon Tetrachloride g/L0.50 10.0 2570-13097.1 4.239.71
Chlorobenzene g/L0.50 10.0 2570-130102 2.7110.2
Ethanol g/L50 100 2570-13078.5 7.7178.5
Chlorodibromomethane g/L0.50 10.0 2570-13092.4 1.409.24
Chloroethane g/L0.50 10.0 2560-14087.8 6.298.78
Chloroform g/L0.50 10.0 2570-130102 0.58910.2
Chloromethane g/L0.60 10.0 2560-14095.9 5.189.59
2-Chlorotoluene g/L0.50 10.0 2570-130103 0.68510.3
4-Chlorotoluene g/L0.50 10.0 2570-130102 0.29310.2
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
Result Limit
Reporting
Units Level
Spike
Result
Source
%REC
%REC
Limits RPD
RPD
Limit Notes Analyte
Volatile Organic Compounds by GC/MS - Quality Control
QUALITY CONTROL
Batch B340602 - SW-846 5030B
LCS Dup (B340602-BSD1) Prepared & Analyzed: 05/18/23
1,2-Dibromoethane (EDB)g/L0.50 10.0 2570-130101 0.0010.1
1,2-Dichlorobenzene g/L0.50 10.0 2570-130101 2.4410.1
1,3-Dichlorobenzene g/L0.50 10.0 2570-130103 0.29310.3
1,4-Dichlorobenzene g/L0.50 10.0 2570-13097.0 3.159.70
Dichlorodifluoromethane (Freon 12)g/L0.50 10.0 2560-14087.7 10.78.77
1,1-Dichloroethane g/L0.50 10.0 2570-130102 2.7210.2
1,2-Dichloroethane g/L0.50 10.0 2570-13094.8 0.1069.48
1,1-Dichloroethylene g/L0.50 10.0 2570-13089.6 4.698.96
cis-1,2-Dichloroethylene g/L0.50 10.0 2570-13098.6 4.569.86
trans-1,2-Dichloroethylene g/L0.50 10.0 2570-13091.8 6.849.18
1,2-Dichloropropane g/L0.50 10.0 2570-130106 3.0610.6
1,3-Dichloropropane g/L0.50 10.0 2570-130102 4.2110.2
2,2-Dichloropropane g/L0.50 10.0 2570-13081.1 5.408.11
1,1-Dichloropropene g/L0.50 10.0 2570-130101 3.4110.1
cis-1,3-Dichloropropene g/L0.50 10.0 2570-130101 4.4610.1
trans-1,3-Dichloropropene g/L0.50 10.0 2570-13096.7 1.349.67
Diisopropyl Ether (DIPE)g/L0.50 10.0 2570-130104 3.5910.4
Ethylbenzene g/L0.50 10.0 2570-130104 2.0910.4
2-Hexanone (MBK)g/L5.0 100 2570-13091.7 1.0191.7
Isopropylbenzene (Cumene)g/L0.50 10.0 2570-130101 1.7710.1
p-Isopropyltoluene (p-Cymene)g/L0.50 10.0 2570-130102 2.4210.2
Methyl tert-Butyl Ether (MTBE)g/L0.50 10.0 2570-13096.3 1.349.63
Methylene Chloride g/L5.0 10.0 2570-13095.4 3.709.54
4-Methyl-2-pentanone (MIBK)g/L5.0 100 2570-13090.2 0.47890.2
Naphthalene g/L0.50 10.0 2570-13089.3 4.278.93
n-Propylbenzene g/L0.50 10.0 2570-130104 0.096310.4
Styrene g/L0.50 10.0 2570-130106 0.75010.6
1,1,2,2-Tetrachloroethane g/L0.50 10.0 2570-13091.2 0.6609.12
Tetrachloroethylene g/L0.50 10.0 2570-13099.6 0.7009.96
Toluene g/L0.50 10.0 2570-130103 2.8710.3
1,2,3-Trichlorobenzene g/L1.0 10.0 2570-13097.7 3.129.77
1,2,4-Trichlorobenzene g/L0.50 10.0 2570-130101 0.79410.1
1,1,1-Trichloroethane g/L0.50 10.0 2570-13098.8 0.009.88
1,1,2-Trichloroethane g/L0.50 10.0 2570-130102 1.3610.2
Trichloroethylene g/L0.50 10.0 2570-130102 2.3310.2
Trichlorofluoromethane (Freon 11)g/L0.50 10.0 2570-13085.8 6.328.58
1,2,3-Trichloropropane g/L0.50 10.0 2570-13093.3 24.79.33
1,2,4-Trimethylbenzene g/L0.50 10.0 2570-13097.6 3.629.76
1,3,5-Trimethylbenzene g/L0.50 10.0 2570-130100 2.1710.0
Vinyl Acetate g/L20 100 2570-13072.2 10.172.2
Vinyl Chloride g/L0.50 10.0 2560-140107 5.2010.7
m+p Xylene g/L1.0 20.0 2570-130102 2.0920.4
o-Xylene g/L0.50 10.0 2570-130101 1.1810.1
g/L 25.0 70-130Surrogate: 1,2-Dichloroethane-d4 93.623.4
g/L 25.0 70-130Surrogate: Toluene-d8 10125.2
g/L 25.0 70-130Surrogate: 4-Bromofluorobenzene 98.824.7
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
*QC result is outside of established limits.
Wide recovery limits established for difficult compound.
Wide RPD limits established for difficult compound.
#Data exceeded client recommended or regulatory level
Percent recoveries and relative percent differences (RPDs) are determined by the software using values in the
calculation which have not been rounded.
No results have been blank subtracted unless specified in the case narrative section.
FLAG/QUALIFIER SUMMARY
Detected but below the Reporting Limit (lowest calibration standard); therefore, result is an estimated
concentration (CLP J-Flag).
J
Laboratory fortified blank duplicate RPD is outside of control limits. Reduced precision is anticipated for any
reported value for this compound.
R-05
Elevated reporting limit due to high concentration of target compounds.RL-11
[TOC_1]Flag/Qualifier Summary[TOC]
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
CertificationsAnalyte
CERTIFICATIONS
Certified Analyses included in this Report
SM21-23 6200B in Water
NCAcetone
NCBenzene
NCBromobenzene
NCBromochloromethane
NCBromodichloromethane
NCBromoform
NCBromomethane
NC2-Butanone (MEK)
NCn-Butylbenzene
NCsec-Butylbenzene
NCtert-Butylbenzene
NCCarbon Tetrachloride
NCChlorobenzene
NCEthanol
NCChlorodibromomethane
NCChloroethane
NCChloroform
NCChloromethane
NC2-Chlorotoluene
NC4-Chlorotoluene
NC1,2-Dibromoethane (EDB)
NC1,2-Dichlorobenzene
NC1,3-Dichlorobenzene
NC1,4-Dichlorobenzene
NCDichlorodifluoromethane (Freon 12)
NC1,1-Dichloroethane
NC1,2-Dichloroethane
NC1,1-Dichloroethylene
NCcis-1,2-Dichloroethylene
NCtrans-1,2-Dichloroethylene
NC1,2-Dichloropropane
NC1,3-Dichloropropane
NC2,2-Dichloropropane
NC1,1-Dichloropropene
NCcis-1,3-Dichloropropene
NCtrans-1,3-Dichloropropene
NCDiisopropyl Ether (DIPE)
NCEthylbenzene
NC2-Hexanone (MBK)
NCIsopropylbenzene (Cumene)
NCp-Isopropyltoluene (p-Cymene)
NCMethyl tert-Butyl Ether (MTBE)
NCMethylene Chloride
NC4-Methyl-2-pentanone (MIBK)
NCNaphthalene
NCn-Propylbenzene
NCStyrene
[TOC_1]Certifications[TOC]
39 Spruce Street * East Longmeadow, MA 01028 * FAX [phone] * TEL. [phone]
CertificationsAnalyte
CERTIFICATIONS
Certified Analyses included in this Report
SM21-23 6200B in Water
NC1,1,2,2-Tetrachloroethane
NCTetrachloroethylene
NCToluene
NC1,2,3-Trichlorobenzene
NC1,2,4-Trichlorobenzene
NC1,1,1-Trichloroethane
NC1,1,2-Trichloroethane
NCTrichloroethylene
NCTrichlorofluoromethane (Freon 11)
NC1,2,3-Trichloropropane
NC1,2,4-Trimethylbenzene
NC1,3,5-Trimethylbenzene
NCVinyl Acetate
NCVinyl Chloride
NCm+p Xylene
NCo-Xylene
The CON-TEST Environmental Laboratory operates under the following certifications and accreditations:
Code Description Number Expires
652North Carolina Div. of Water QualityNC 12/31/2023