NCG030130 DMR SW (18)

8vHIELD
GINEEBING, INC.
RECEIVED
July 7, 2016
AO 17 2016
Mr. Ryan Pennington CENTRAL FILES
Daimler Trucks North America, LLC - Gastonia Components and Logistics DWR SECTION
1400 Tulip Drive
Gastonia, NC 28052
Subject: Monthly Sampling— 7S016
NPDES General Permit No. NCG030000/CoC No. N+G0301. 0
Daimler Trucks, Gastonia Components and Logistics, LL
1400 Tulip Drive, Gastonia,North Carolina
Shield Project No. 1140099-02
Dear Mr. Pennington:
Shield Engineering, Inc. (Shield) was unable to collect stormwater samples for Stormwater
Discharge Outfall (SDO) #001 at the Gastonia facility for the month of June 2016. Additionally,
Shield has been unable to collect samples for SDO #002 and #003 during the semi-annual
monitoring period from January — June 2016 due to no flow at those outfalls. According to
rainfall data collected for the month, qualifying storm events occurred on June 2nd, June 6th, and
June 27th , measuring 0.80 inches, 0.23 inches and 1.01 inches, respectively. An additional 0.26
inches, 0.78 inches and 0.43 inches of rain were measured on June 4`h, June 29th, and June 30th,
respectively. However, each of these events took place on a weekend day, after normal business
hours, or did not occur greater than 72 hours since the last qualifying storm event. As the
seasonal type of storm event has now changed to high intensity, short duration events, usually
commencing in late afternoon through early evening with little to no notice for preparation,
Shield will continue to monitor daily weather conditions and attempt to continue coordination of
appropriate staff and resources to facilitate adequate sample collection. Therefore, per Section 2
Part IV of General Permit No. NCG030000 Shield will attempt to collect a substitute sample or
perform a visual assessment during the next qualifying storm event. A partially completed DMR
form is attached to this cover letter for your signature and submittal to the State.
Daimler's Gastonia facility remains in Tier Three of the NPDES General Permit No.
NCG030000 at SDO #001. Shield will continue to perform monthly sampling at SDO #001 per
Tier 3 requirements until instructed to halt by Daimler. Shield greatly appreciates the opportunity
to provide environmental services to Daimler Trucks of 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.
71I1)
1%1110
Melinda' . Greene M.rk C. Boland, P.E.
Senior Engineer Pr ncipal Engineer
Attachment: Stormwater Discharge Monitoring Report(DMR)
1301 Taggart Creek Road Telephone [phone]
..harlotte,NC 28208
www.shieldengineering.com Fax [phone]

Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. N00030000
Date submitted 7/7/16
CERTIFICATE OF COVERAGE NO. Nrf000f0ls SAMPLE COLLECTION YEAR 2016
FACILITY NAME Daimler Trucks—Gastonia Components&Logistics SAMPLE PERIOD ®Jan-June ❑July-Dec
PERSON COLLECTING SAMPLES N/A or ® Monthly' June (month)
LABORATORY: N/A Lab Cert.# DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
Comments on sample collection or analysis: Samples at SDO#001 not ❑Zero-flow ['Water Supply OSA
collected due to no rainfall/discharge during normal business hours; no RECEI ®Other
flow at SDO#002 and#003
PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 AUG 1 7 2016
Part A: Stormwater Benchmarks and Monitoring Results QWR RAL iLEs
ccrION ❑No discharge this period?2
Date Sample 24-hour rainfall pH, Non-Polar O&G/ Total Toxic
Outfall No. i Total Suspended SolidsCopper Lead Zinc Total Petroleum
Collected amount, Standard units Organics5
(mo/dd/yr) Inches3 Hydrocarbons g
Benchmarks===> - - 100 mg/L or 50 mg/LQ 6.0—9.0 0.007 mg/L 0.03 mg/L 0.067 mg/L 15 mg/L 1 mg/L
SDO#001
SDO#002
SDO#003
1 Monthly sampling(instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
2 For sampling periods with no discharge at any single outfall,you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on-site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
4 See General Permit,Table 3 identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals,or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11;for semiconductor
manufacture use the definition as found in 40 CFR 469.12;for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
Permit Date:11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver,the discharger shall sign the following certification statement:
"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 dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Poll ion Prevention Plan."
Av,
Name(Print nam )
Title( int itle)tAL:
If
(Signature) (Date)
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non-detect, ND, or other similar non-numerical
format. When results are below the applicable limits,they must be reported in the format, "<XX mg/L",where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
[l No discharge this period?2
Outfall No. Date Sample 24-hour rainfall
Collected' amount, Non-polar O&G/TPH by
(mo/dd/yr) Inches3 EPA 1664(SGT-HEM) Total Suspended Solids pH
Benchmarks===> - - 15 mg/L 100 mg/L or 50 mg/L* 6.0—9.0 SU
•
Footnotes from Part A also apply to this Part B
*See General Permit text,Table 5,identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
Permit Date:11/1/2012-10/31/2017 SWU-245, last revised 10/25/2012
Page 2 of 3

Note: If you report a sample value in excess of the benchmark,you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES ❑NO❑
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES ❑ NO❑
REGIONAL OFFICE CONTACT NAME:
Mail an original and one copy of this DMR, including all"No Discharge"reports, within 30 days of receipt of the lab results(or at end of monitoring period
in the case of"No Discharge"reports)to:
Division of Water Quality
Attn:DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
r
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"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 at there arh significant penalties for submitting false information,including the possibility of fines and imprisonment for knowing violations."
\` — 7 I 1 1 _
(Signature of Permit e) - (Date)
Permit Date:11/1/2012-10/31/2017 SWU-245,last revised 10/25/2012
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