NCG080018_DMR_20200708

Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG080000
Date submitted July S. 2020
CERTIFICATE OF COVERAGE NO. NCGO80018
FACILITY NAME Old Dominion Freight Line, Inc.
COUNTY Guilford
PERSON COLLECTING SAMPLES Shannon Crottv
LABORATORY TestAmerica Lab Cert. # 314
Comments on sample collection or analysis: Due to an oversight,
samples were not collected during this period. To correct this oversight,
samples will be collected twice during the July -Dec sampling period.
Part A: Vehicle Maintenance Areas Monitoring Requirements
SAMPLE COLLECTION YEAR 2020
SAMPLE PERIOD ® Jan -June ❑ July -Dec
or ❑ Monthly' (month)
DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
❑Zero -flow ®Water Supply [:]SA
[:]Other
-
PLEASE REMEMBER TO SIGN ON THE REVERSE -*
❑ No discharge this period'
Outfall
No.
Date
Sample Collected,
mo/dd/yr
00530
00400
00556
Total Suspended
Solids, mg/L
pH,
Standard units
Non -Polar Oil and Grease/TPH EPA
Method 1664 (SGT-HEM), mg/L
New Motor Oil Usage,
Annual average gal/mo
Benchmark
-
50 or 100 see permit
Within 6.0 — 9.0
15
-
001
1 Not Sampled
I
1
1
3,150
002
Not Sampled
3,150
Part B: Oil/water Separators and Secondary Containment Areas at Petroleum Bulk Stations and Terminals
Outfall
No.
Date
Sample Collected,
mo/dd/
005S6
00530
00400
Non -Polar oil and Grease/TPH EPA Method
1664 SGT-HEM , mgfL
Total Suspended Solids,
mg/L
pH,
Standard units
Permit Limit
-
15
50 or 100 see permit
6.0 — 9.0
1 For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
SWU-250 last revised October 25, 2012
Page 1 of 2

STORM EVENT CHARACTERISTICS:
Date (first event sampled)
Total Event Precipitation (inches):
Date (list each additional event sampled this reporting period, and rainfall amount)
Total Event Precipitation (inches):
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 Il 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 ANYONE 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 for 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
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 that
there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
m-�
of Permittee)
7/8/2020
(Date)
Additional copies of this form may be downloaded at: http://Portal.ncdenr.org/web/wq/ws/su/npdessw#tab-4
SVX-250 last revised October 25, 2012
Page 2 of 2

M 13M
ENVIRONMENTAL
July 8, 2020
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
RE: STORMWATER DISCHARGE MONITORING REPORT
Old Dominion Freight Line, Inc.
Greensboro, North Carolina Facility
4715 Evans Town Road
Greensboro, North Carolina 27406
Certificate of Coverage NCGO80018
Dear Stormwater Coordinator:
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On behalf of Old Dominion Freight Line, Inc., GEOS Environmental, Inc. (GEOS) submits the attached
stormwater Discharge Monitoring Report (DMR) for the referenced facility. The original and one copy of
the DMR are attached.
Unfortunately, due to an oversight, stormwater samples were not collected during the January -June 2020
sampling period. In an effort to correct this oversight, Old Dominion will collect samples twice during the
July -December 2020 sampling period. The first sampling event will be performed as early as possible
during the period. The second sampling event will be performed during the period October -December
2020.
If you have any questions regarding this submittal, please do not hesitate to contact me at [phone]
or at [e-mail].
Sincerel
ma ok P
Manager
cc: Joseph Fuhr, Old Dominion Freight Line, Inc.
Attachments
GEOS Environmental, Inc.
13014 N. Dale Mabry Hwy, No.117
Tampa, FL 33618
www.geosenvironmental.com