NCG030085_2021 DMR_20210420

DAIMLER
Sean Quarry
Sr. Environmental Engineer
Daimler Trucks
1800 North Main Street
Mount Holly, NC 28120
704.822.7034 Phone
April19, 2021
NCDEQ- Division of Water Resources
610 East Center Avenue
Suite 301
Mooresville, North Carolina 28115
To whom it may concern:
Please find the enclosed March Stormwater Discharge Outfall (SDO) 4001 and #002 form for
the Daimler Trucks NA, LLC - Mount Holly Truck Manufacturing Plant (TMP). The stormwater
samples were collected on March 31, 2021. Results from this sampling event show no
exceedances.
Daimler remains in Tier 3 at SDO #001 and SDO #002 for zinc and Copper. Shield will continue
to perform monthly sampling per Tier requirements until instructed to decrease sampling
frequency by Daimler.
Should you have any questions, please contact me at 704-822-7034 or
[e-mail].
Sincerely,
Daimler Trucks NA, LLC
Sean Quarry
Sr. Environmental Engineer
Enclosures — DTNA signed ❑MR forms (2 copies)

ENGINEERING, INC.
April 16, 2021
Mr. Scan Quarry
Daimler Trucks North America, LLC
1800 North Main Street
Mount Holly, NC 28120
Subject: Monthly Stormwater Sampling — March 2021
NPDES General Permit No. NCGO30000
Daimler Trucks of North America LLC - Mount Holly, north Carolina
Shield Project No. 1140109-08
Dear Mr. Quarry:
Shield Engineering, Inc. (Shield) successfully collected monthly stormwater samples for Stormwater Discharge
Outfalls (SDO) 4001 and #002 at the Mount Holly facility for the month of March 2021. During the March 3 1 "
sampling event, Shield's field measurements of pH were 6.8 and 7.0 at SDO #001 and SDO #002, respectively.
In addition to collection of samples, Shield performed Qualitative Monitoring at SDO 9001 and #002, A partially
completed discharge monitoring report (DMR) is attached, as well as the analytical results and Qualitative
Monitoring Report forms. The person designated to act as the permittee by Daimler Trucks — Mount Holly facility
should sign pages 1 and 2 of the DMR. The signed DMR form should then be mailed to the regulatory agency
regional office at Mooresville, NC. Results from the March 31" sampling event show no exceedances at SDO #001
and 4002.
Daimler remains in Tier 3 at SDO #001 and SDO #002 for Zinc, Copper and TSS. Shield will continue to perform
monthly sampling per Tier 2 requirements until instructed to decrease sampling frequency by Daimler. Shield
greatly appreciates the opportunity to provide environmental services to Daimler Trucks, North America. if you
have any questions in reference to this document or require further information, please feel free to contact either
of the undersigned at [phone].
Respectfully,
SHIELD ENGINEERING, INC.
Magdalinc Tzannis
Senior Project Manager
Melinda ills Greene, EFF
Senior Engineer
Robert L. Griffin, P.E.
President/CEO
ATTACHMENT'S
Stormwater DMR, Qualitative Monitoring Report, Analytical Results
4301 Taggart CmekRodd Telephone 704.394,6913
Charloffe. NC 28206 www.shieldengirieering.com Fax 704.394,6968

NCDEQ Division of Energy, Mineral and Land Resources
Stormwater Discharge Monitoring Report (DMR) Form for NCG030000
Metal Fabrication
Click here for instructions
Complete, sign, scan and submit the DMR via the Stormwater NPDES Permit Data Monitoring Report (DMRj Upload form within
30 days of receiving sampling results. Mail the original, signed hard copy of the DMR to the appropriate DEMLR Regional Office.
Certificate of Coverage No. NCG03 0085
Person Collecting Samples: MagdalineTaannis (Shield Engineering, Inc.
Facility Name: Daimler Trucks - Mount Holly
Laboratory Name: Pace Analytical Services, LLC
Facility County: Gaston
Laboratory Cert. No.: 329
Discharge during this period: r❑ Yes ❑ No (1f no, skip to signature and date)
Has your facility implemented mandatory Tier response actions this sample period for any benchmark exceed ances? ❑✓ Yes ❑ No
If so, which Tier (I, II, or III)? III
A copy of this DMR has been uploaded electronically via https://edocs.de(l.nc.gov/Forms 5W-Dh,1R ❑� Yes ❑ No
Date Uploaded: •j l��Z�2-�
Analytical Monitoring Requirements for Outfalls with Industrial Activities — Benchmarks in (Red)
Parameter
Code
Parameter
Outfall001
Outfall002
Outfall
Outfall
Outfall
NIA
Receiving Stream Class
WS-IV; CA
WS-IV; CA
N/A
Date Sample Collected MM/DD/YYYY
03/31/2021
03/31/2021
46529
24-Hour Rainfall in inches
0.16
0.16
C0530
TSS in mg/L (100 or 501L)
32
85
00400
pH in standard units (6.0 — 9.0)
6.8
7.0
Copper, total recoverable in mg/L
01119
(0.010)
0.0056
0.0047
Lead, total recoverable in mg/ L
01051
(0.075)
0.00027
0.00097
01094
Zinc, total recoverable in mg/ L
0.095
0.069
(0.126)
78141
Total Toxic Organics (TTO) in mg/L(1)
NA
NA
(if required)
00552
Non -Polar Oil & Grease in mg/L (15)
<5,0
a5.1
Additional parameters for outfalIs in drainage areas that use a55 gallons per month of new hydraulic oil on average
Estimated New Motor/Hydraulic Oil
NCOIL
Usage in gal/month
NA
NA
' OutfaIIs to Outstanding Resource Waters (ORW), High Quality Waters (HQW), Trout Waters (Tr) and Primary Nursery Areas (PNA)
have a benchmark T55 limit of 50 mg/L. All other water classifications have a benchmark of 100 mg/L
Notes (optional): There are no exceedances at either outfalL
"I certify by my signature below, 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 there are significant penalties for submitting
false in€oyn'520n, inclyding the,,possibility of fines and imprisonment for knowing violations."
Signature/6f Permittee or Delegated Authorized Individual
Email Address 6 2e4h w C le,,
d / 2�
Date
Phone Number
7" 4 - Fa 7- r 71 y)

Total Toxic Organics Certification:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring
requirement for total toxic organics (TTO), I certify that to the best of my knowledge and belief, no leak, spill, or dumping of
concentrated toxic organics into the stormwater or onto areas which are exposed to rainfall or stormwater runoff has occurred since
filing the last discharge monitoring rgport. I further certify that this facility is implementing all the provisions of the Solvent
ManagerrW,VPlan inclyAl6d in t orrnWater Pollution Prevention Plan."
Signature oyPermiffee or Delegated Authorized Individual
Email Address C 2 r ci1 0 �s h y `v C: �4 1`•+7 �r r. � lw
Date
Phone Number
7uf—kzi- —73Yi