NCG080777_2021 DMR_20210806

Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG080000
Date Submitted August 10, 2021
CERTIFICATE OF COVERAGE NO. N00080777 SAMPLE COLLECTION YEAR 2021
FACILITY NAME YRC, Inc. SAMPLE PERIOD ❑ Jan -June ® July -Dec
COUNTY MECKLENBURG or ❑ Monthly' (month)
PERSON COLLECTING SAMPLES J Frei/ SwSG DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
LABORATORY Pace Analytical Lab Cert. # 12/ 633 ❑Zero -flow ❑ Water Supply ❑SA
Comments on sample collection or analysis: pH measured infield by Q Other C
Stormwater Services Group (Lab Cert #5054)
PLEASE REMEMBER TO SIGN ON THE REVERSE -i
Did this facility perform Vehicle Maintenance Activities using more than 55 gallons of new motor oil per month? ✓ yes _no
(if yes, report your analytical results in the table immediately below)
Part A: Vehicle Maintenance Areas Monitoring Requirements (If applicable) ❑ 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
:Nlethocf1664 (SGT-HEM), mg/L
New Motor Oil Usage,
Annual average gal/mo
Benchmark'
-
100 _
Within 6.0 — 9.0
is
001
07/26/21
10
7.11
6.6
+/-875
004
07/26/21
77.8
6.90
< 4.9
Part B: Oil/water Separators and Secondary Containment Areas at Petroleum Bulk Stations and Terminals (If applicable)
1 For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
last revised April 11, 2013
SWU-250
Pagel of 2

STORM EVENT CHARACTERISTICS:
Date July 26, 2021 (first event sampled this reporting period)
Total Event Precipitation (inches): 1.27""
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 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 ANYONE OUTFALL? YES ❑ NO
IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES ❑ NO ❑
REGIONAL OFFICE CONTACT NAME:
Mail an original and one copv of this DMR, includina all "No Discharge" resorts within 30 dots of receiat of the lab results (or at end of monitoring period in
the case of "No Discharge" reports) to:
NCDEQ/ Division of Water Resources
Attn: DWR 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."
(Signature of Permittee) U (Date)
Additional copies of this form may be downloaded at: http://portal.ncdenr.org/web/wq/ws/su/npdessw#tab-4
SWU-250 last revised April 11, 2013
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