NC0083887_Report_20240626

(LV9
CHARLOTTE DOUGLAS'm
INTERNATIONAL AIRPORT
Via E-Mail
26June 2024
Central Files
North Carolina Department of Environmental Quality
Division of Water Quality
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Subject: Seasonal De -Icing Report
National Pollution Discharge Elimination System (NPDES)
Permit Compliance
Charlotte -Douglas International Airport (CLT)
NPDES Permit No. NCO083887
Central Files:
In accordance with Part VII, Section B of the "Special Conditions" section of expired NPDES Permit No. NC0083887, Charlotte -
Douglas International Airport (CLT) is providing information summarizing the amount of glycol and urea dispensed on the
property during the winter season spanning from October 2023 through April 2024. Per the permit referenced above, Outfall
001 Discharge Monitoring Report (DMR) for May 2023 is additionally included.
The total amount of glycol used during the 2023-2024 deicing season was reported to be 4,547 gallons prior to dilution. Of this
amount, 4,295 gallons were sprayed by our service provider, International Deicing Services, Inc. (IDS). Their services are
administered on behalf of CLT to all regularly scheduled commercial carriers providing flights from CLT, as well as FeclEx, UPS,
and Amazon cargo companies. For General Aviation, which includes private and corporate flights handled by Wilson Air Center,
the amount of glycol used totaled 252 gallons prior to dilution.
CLT has discontinued extensive use of urea for deicing or anti -icing activities and did not distribute any during the 2023-2024
winter season. In an effort to minimize our environmental impact, the Airport now uses sodium formate as the primary solid
deicer.
The quantities presented for the 2023-2024 deicing season represent an increase when compared with what was reported to
your agency for the 2022-2023 season. Though the volume of deicing fluid is relatively low when compared to seasons with
frozen precipitation events, this rise over the 2022-2023 season can be attributed an additional 34,463 flights which occurred
during the October 2023 to April 2024 time period.
If you should have any questions, please contact me at 980-288-3793.
Sincerely,
Jim?1rd P.G.
Environmental Manager
Charlotte -Douglas International Airport
Attachments
cc: MRO, Wes Bell

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NPDES PERMIT NO.: NCO083897
FACILITY NAME: Charlotte Douglas International
Airport
OWNER NAME: City of Charlotte
GRADE: PC-2
eDMR PERIOD: 05-2024 (May 2024)
PERMIT VERSION: 4.0
CLASS: PC-1
ORC: Kellie H Hedrick
ORC HAS CHANGED: No
VERSION: 1.0
PERMIT STATUS: Expired
COUNTY: Mecklenburg
ORC CERT NUMBER: 28628
STATUS: Submitted
SAMPLING LOCATION: EFFLUENT DISCHARGE NO.: 001 NO DISCHARGE*: NO
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Quarterly
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Monthly
Quarterly
Monthly
Estimate
Grub
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Grab
Grab
Grab
Grab
Grab
1 FLOW
pH
TSS - Cone
I TOTAL N-
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BENZENE
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FTHD24AC
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IS
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IS
19
20
21
22
13:30
0:35
Y
23
24
25
26
27
28
29
13:55
0:10
Y
30
31
Monthly Arerogc Limit:
Monthly Areroge:
0.002
125.6
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0
23.3
0
Daily Maximum:
0.002
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25.6
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Daily \linimum:
0.002
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****No Reporting Reason: ENFRUSE =No Flow-Reuse/Recycle; ENVWTHR=No Visitation —Adverse Weather; NOFLOW=No Flow; HOLIDAY=NoVisitation—Holiday
Discharge Monitoring Report - Copy Of Record (COR NC0083887_Ver_1.0_5_2024.pdf)

NPDES PERMIT NO.: NC0083887
FACILITY NAME: Charlotte Douglas International
Airport
OWNER NAME: City of Charlotte
GRADE: PC-2
eDMR PERIOD: 05-2024 (May 2024)
PERMIT VERSION: 4.0
CLASS: PC-1
ORC: Kellie H Hedrick
ORC HAS CHANGED: No
VERSION: 1.0
PERMIT STATUS: Expired
COUNTY: Mecklenburg
ORC CERT NUMBER: 28628
STATUS: Submitted

NPDES PERMIT NO.: NCO083887 PERMIT VERSION: 4.0
FACILITY NAME: Charlotte Douglas Intemational CLASS: PC-1
Airport
OWNER NAME: City of Charlotte ORC: Kellie H Hedrick
GRADE: PC-2 ORC HAS CHANGED: No
eDMR PERIOD: 05-2024 (May 2024) VERSION: 1.0
PERMIT STATUS: Expired
COUNTY: Mecklenburg
ORC CERT NUMBER: 28628
STATUS: Submitted
SAMPLING LOCATION: EFFLUENT DISCHARGE NO.: 001 NO DISCHARGE*: NO (Continue)
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Monthly Average Llmit:
Manlhly A—.p:
0
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Daily M-hnum:
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Daily Allnimum:
0
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**** No Reporting Reason: ENFRUSE — No Flow-Reuse/Recycle; ENVWTHR = No Visitation —Adverse Weather; NOFLOW = No Flow; HOLIDAY = No Visitation — Holiday
Discharge Monitoring Report - Copy Of Record(COR_NC0083887_Ver_1.0_5_2024.pdf)

NPDES PERMIT NO.: NCO083887 PERMIT VERSION: 4.0
FACILITY NAME: Charlotte Douglas International CLASS: PC-1
Airport
OWNER NAME: City of Charlotte
GRADE: PC-2
eDMR PERIOD: 05-2024 (May 2024)
COMPLIANCE STATUS: Compliant
ORC: Kellie H Hedrick
ORC HAS CHANGED: No
VERSION: 1.0
CONTACT PHONE #: [phone]
PERMIT STATUS: Expired
COUNTY: Mecklenburg
ORC CERT NUMBER: 28628
STATUS: Submitted
SUBMISSION DATE: 06/25/2024
Electronically Certified by Kellie Hedrick on 2024-06-25 10:01:32.435
ORC/Certifier Signature: Kellie Hedrick Phone # : 9 8 0 - 2 0 2 - 2 3 7 7 Date
I certify that this report is accurate and complete to the best of my knowledge.
The permittee shall report to the Director or the appropriate Regional Office any noncompliance that potentially threatens public health or the environment.
Any information shall be provided orally within 24 hours from the time the permittee became aware of the circumstances. A written submission shall also be
provided within 5 days of the time the permittee becomes aware of the circumstances. The written submission shall be made as required by part II.E.6 of the
NPDES permit.
Electronically Signed by Joshua Eller on 2024-06-25 12:43:31.749
Permittee/Submitter Signature: ***Joshua Eller Phone #:[phone] Date
Permittee Address: 5501 Josh Birmingham Pkwy PO Box 19066 Charlotte NC 28208 Permit Expiration Date: 06/30/2015
I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed
to assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who managed the
system, or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true,
accurate, and complete. I am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for
knowing violations.
LAB NAME: Pace Analytical
CERTIFIED LAB #: 12
PERSON(s) COLLECTING SAMPLES: Kellie Hedrick
CERTIFIED LABORATORIES
PARAMETER CODES
Parameter Code assistance may be obtained by visiting https://deq.ne.gov/about/divisions/water-resources/edmr/user-documentation.
FOOTNOTES
Use only units of measurement designated in the reporting facility's NPDES permit for reporting data.
* No Flow/Discharge From Site: YES indicates that No Flow/Discharge occurred and, as a result, no data is reported for any parameter on the DMR for the
entire monitoring period.
** ORC on Site?: ORC must visit facility and document visitation of facility as required per 15A NCAC 8G .0204.
*** Signature of Permittee: If signed by other than the permittee, then delegation of the signatory authority must be on file with the state per 15A NCAC 2B
.0506(b)(2)(D).
Discharge Monitoring Report - Copy Of Record (COR_NC0083887_Ver_1.0_5 2024.pdf)

NPDES PERMIT NO.: NC0083887
FACILITY NAME: Charlotte Douglas International
Airport
OWNER NAME: City of Charlotte
GRADE: PC-2
eDMR PERIOD: 05-2024 (May 2024)
Report Comments:
PERMIT VERSION: 4.0
CLASS: PC-1
ORC: Kellie H Hedrick
ORC HAS CHANGED: No
VERSION: 1.0
PERMIT STATUS: Expired
COUNTY: Mecklenburg
ORC CERT NUMBER: 28628
STATUS: Submitted
Toxicity test had unusual results. Field pH was 6.1 at sample collection time, but the lab measured 3.5 during the toxicity test. Unsure if possible sample contamination or other
error somewhere. Plan to pull another toxicity sample with next rainfall to try again. pulled pH samples from each tank in the system and all were over 6.0. Left VM for Wes
Bell on 6/11 at 11:42am. Discussed the issue with him on 6/13 at 10:48am.