NCS000508_2023 DMR_20240122

STORMWATER DISCHARGE OUTFALL (SDO)
MONITORING REPORT
Permit Number N C S 0 0 0 5 0 8
SAMPLES COLLECTED DURING CALENDAR YEAR: 2023
(This monitoring report shall be received by the Division no later than 30 days from
the date the facility receives the sampling results from the laboratory.)
FACILITY NAME Piedmont Triad International Airport (GSO) 23E1
PERSON COLLECTING SAMPLE(S) Pilot Environmental, Inc. (pH, Turbidity, D.O.) S.Arenson;J.Dasnoit; A.Lane COUNTY Guilford
CERTIFIED LABORATORY(S) Pace Analytical Services Asheville (COD, N, P) Lab# 37712,40 PHONE NO. [phone]
Pace Analytical Services Charlotte (Oil& Grease) Lab# 37706, 5342, 12
Pace Analytical Services Eden (TSS, BOD) Lab# 37738, 633
Pace Analytical Services Indianapolis (Glycol) Lab# SIGNATURE OF PERMITTEE OR DESIGNEE
Meritech, Inc. (Detergents) Lab# 165
ETT Environmental, Inc. (Acute Toxicity) Lab# 22 REQUIRED.
Part A: Specific Monitoring Requirements De-Icing 1
46529 00400 00070 - 00310 00530 00610 00340 - 00630 00655 00552 00187 77023 - -
D1UL,11C11111,d1 1VL31.l /.UG11ll ar- iluu-r Mal
Date Sample Total Dissolved Oxygen Suspended NH3- Oxygen Detergents NO3+NO2- Phosphorus, Oil& Acute Ethylene Propylene Total Glycol
Outfall Collected Flow Rainfall pH Turbidity Oxygen Demand Solids(TSS) Nitrogen Demand (MBAS) Nitrogen Total Grease Toxicity Glycol Glycol Applied
No. m/d/yyyy inches NTU mg/L mg/L mg/L mg/L mg/L mg/L mg/L mg/L mg/L % mg/L mg/L gallons
1 SD0004 12/18/2023 yes 6.92 5.0 ND ND _ >100% ND ND
SD006A 12/18/2023 yes 6.90 6.3 ND ND >100% ND ND
SDO16A 12/18/2023 yes 7.01 2.6 ND ND >100% ND ND
SD0024 12/18/2023 yes 7.37 5.1 ND ND >100% ND ND
SD0026 12/18/2023 no NA NA NA NA NA NA NA
SD0027 12/18/2023 no NA NA NA NA NA NA NA
SDO030 12/18/2023 no NA NA NA NA NA NA NA
SD0033 12/18/2023 yes 1.89 7.14 6.8 ND 25.6 >100% ND ND 560
IS#01 12/18/2023 yes 7.31 84.46 11.40 >100%
IS#02 12/18/2023 yes 7.22 51.80 11.04 >100%
IS#05 12/18/2023 yes 6.97 85.84 9.90 >100%
151106 12/18/2023 yes 7.20 221.50 10.02 >100%
IS#07 12/18/2023 yes 7.14 11.33 9.93 >100%
IS#8A 12/18/2023 yes 7.35 31.85 10.35 >100%
IS#10 12/18/2023 yes 7.13 27.12 9.72 >100%
IS#11 12/18/2023 yes 7.24 29.18 9.32 >100%
STORM EVENT CHARACTERISTICS:
Date 12/17 6:00 through 12/17 20:00 One signed copy of Discharge Monitoring Reports
Total Event Precipitation(inches): 1.89 (DMRs)shall be uploaded to NCDEQ via the
Event Duration(hours): 14 (only if applicable-see permit) Supplemental Information Upload Form at
(if more than one storm was sampled) https://edocs.deq.nc.gov/Forms/SW Project Submittal
Date
Total Event Precipitation(inches):
Event Duration(hours): (only if applicable-see permit)
"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 manage 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 th e are significant penalties for submitting false information,including the possibility of fines and imprisonment for knowing violations."
6
01/22/2024
/22 2/ 0
(Signature of Permittee) (Date)
https://edocs.deq.nc.gov/WaterResources/Browse.aspx?id=328333 Form SWU-247,last revised 6/12/2015
NCS000508 23E1_ Page 1 of 1