NC0083887_Report_20240715

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July 5, 2024
Mr. Jimmy D. Jordan, LG
Environmental Manager
Charlotte Douglas International Airport
5601 Wilkinson Boulevard
Charlotte, North Carolina 28208
Subject: Surface Water Sampling and Analysis Report (Second Quarter)
Former U.S. Airways Maintenance Hangar
NCDEQ UST Section Incident No. 14908
5020 Hangar Road
Charlotte, North Carolina
WSP Project: 6228-24-0007
Dear Mr. Jordan:
WSP USA Environment & Infrastructure Inc. (WSP) is pleased to submit this Surface Water Sampling and Analysis
Report for the above -referenced property in Charlotte, North Carolina. Included in this report is an outline of our
understanding of the project background, description of the sampling activities and results.
Project Background
U.S. Airways, Inc. (U.S. Airways) previously operated an aircraft jet fuel defueling/refueling system at the former
U.S. Airways Maintenance Hangar located at 5020 Hangar Road in Charlotte, North Carolina. The site is located in
the southwest portion of the Charlotte/Douglas International Airport property (Tax Parcel ID 115-211-05).
American Airlines (formerly U.S. Airways) currently leases the maintenance hangar facility from the City of
Charlotte and performs aircraft maintenance at the property. A 1995 release of petroleum occurred at the hangar
location. In December 2018, CLT personnel observed evidence of petroleum seepage from the bank of Coffey
Creek approximately 800 feet north of contaminant source area (Figure 1).
In email correspondence, dated May 13, 2021, Mr. James McDorman informed WSP personnel that Mr. Wes Bell
of the North Carolina Department of Environmental Quality (NCDEQ), Division of Water Resources (DWR)
requested performance of quarterly surface water sampling and analysis of Coffey Creek to assess whether
dissolved petroleum hydrocarbons are present in the stream.
Surface Water Sampling and Analysis
On June 3, 2024, WSP personnel collected one surface water sample (SW-1) from Coffey Creek. The sample was
collected using a stainless -steel cup attached to a stainless -steel rod. This device allows for the water sample to be
dipped from near the center of the stream by the sampler. The sampling cup was decontaminated prior to use by
rinsing with isopropyl alcohol, followed by distilled water.
WSP USA Environment & Infrastructure Solutions Inc.
1001 Morehead Square Drive, Suite 610
Charlotte, North Carolina 28203
NC Geology License: C-247
T: 704-417-5152

Surface Water Sampling and Analysis Report
Former U.S. Airways Maintenance Hangar
WSP Project: 6228-24-0007
July 5, 2024
Sample SW-1 was collected approximately 20 feet downstream of the last petroleum absorbent boom. The
location is shown on Figure 1. The collected sample was poured into laboratory -provided containers with
appropriate preservatives. The sample containers were placed in an ice -filled sample cooler and delivered to
Waypoint Analytical, LLC (Waypoint) in Charlotte, North Carolina for analysis. The sample was maintained under
chain -of -custody protocol. The laboratory analyzed the surface water sample for volatile organic compounds
(VOCs) by EPA Method 6200B including MTBE and semi -volatile organic compounds (SVOCs) by EPA Method
625.1.
Results
The results of the analysis of sample SW-1 identified no detectable concentrations of contaminants of concern. A
table summarizing the current and historical results and the laboratory report are attached. The next surface water
sampling event is planned for September 2024.
Closing
We appreciate your selection of WSP for this project and look forward to assisting you further on this project. If
you have questions, please contact us.
Sincerely,
WSP USA Environment & Infrastructure Inc.
James A Henderson Robert C. Foster, L.G.
Entry Environmental Engineer Geologist
Registered, NC #1335
Cc: Mr. Wes Bell, Senior Environmental Specialist, NCDEQ Division of Water Res©urce���
Mr. Dan Bowser, LG, Hydrogeologist, NCDEQ-DWM; UST Section
1335 '
;
Enclosures

Surface Water Sampling and Analysis Report
Former U.S. Airways Maintenance Hangar
WSP Project: 6228-24-0007
TABLE
July 5, 2024

Table 1
Summary of Surface Water Analytical Results
Charlotte Douglas International Airport
Former U.S. Airways Maintenance Hangar
WSP Project No. 6228-24-0007
SVOCs by EPA 625.1
INN
1. concentrations shown in micrograms Per liter (Pg/B
< value represents no laboraxory dttettion above the Beporting Limit
3. Bold values exceetletl North Carolina 15A 2B Water Quality S[andaMs or Surface Wa[ers (NC 2B) /NortM1 Carolire In -Stream Target Values, July 2021
4. If the NC 2B StandaM was not ertablizned for a mnsbtuent Nortn Carolina In -Stream target Values were usetl in place
B. NE =Not Establisnetl
, NB = Not Reported
].' =15A NCAC 2B antl NortM1 Carolina In -Stream Target Values Frefi Water Aquatic Life values were �wt listeq 15A NCAC 2B Human Heabn values for total PAHs
8. VOCs =volatile Organic CompouiMs
t 0.1=1-Rag, value was deteaed above N,etnod Qetenion Hmit (Mo4 but below raetnod 4uantnation Limb (raQy and is considered an estimate

Surface Water Sampling and Analysis Report
Former U.S. Airways Maintenance Hangar
WSP Project: 6228-24-0007
FIGURE
July 5, 2024

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