NCG200447_DMR_20201102

Semi-annual Stormwater Discharge Monitoring Report (DMR)
for North Carolina DEMLR General Permit N . NCG200000—Scrap Metal Recycling
Date submitted
CERTIFICATE OF COVERAGE NO. NCG20 O qYq
FACILITYNAME +w&eL i?Ec'cllt-in[c l�uP/iH�'i
COUNTY D U (148-✓-�
PERSON COLLECTING SAMPLES
LABORATORY Lab Cert. #
Comments on sample collection or analysis:
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Part A: Stormwater Benchmarks anal Monitoring Results
SAMPLE COLLECTION YEAR 9C7 9-0
SAMPLE PERIOD ❑ Ian -June ❑ July -Dec
or Monthly' ©e_-re &-1Z (month)
DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
5iZero-flow [:]Watersupply ❑SA
pE ❑Saltwater ❑Other
NOV 2 3 2020 PLEASE REMEMBER TO SIGN ON THE REVERSE 4
n No discharge this period?'
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches'
Total Suspended
Solids
Chemical Oxygen
Demand
Non -polar oil & grease
EPA Method 1664
(SGT-HEM)
Copper,
Total
Lead,
Total
Zinc,
Total
Benchmarks =>
_
-
100 mg/L or
5o mg/L4
120 mg/L
15 mg/L
0.010 mg/L or
0.005 mg/Ls
0.075 mg/L or
0.220 mg/Ls
0.126 mg/L or
0.095 mg/Ls
1 Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
2For 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.
°See General Permit text, Table 1, identifying protected receiving water classifications where the more protective TSS benchmark applies.
sStormwater discharges into receiving waters classified as saltwater are subject to the second listed benchmark.
Note: Results must be reported in numerical format. For example, do not report Below Detection Limit, BDL, <PQL, Nan -detect, ND, or other similar non -
numerical format. When results are below the applicable limits, they must be reported in the format, "<XX mx/L", where XX is the numerical value of the
detection limit, reporting limit, quantitation 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
Permit Date: 08/01/2019-05/31/2024 SWU-256, last revised 09/04/2019
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Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging' > 55 gal of new oil per month.
Footnotes from Part A also apply to this Part B
Note: !f you report a sample value in' excess of the benchmark, you must implement Tier 2, T<er 2, or Tier 3 responses. See General Permit.
FOR PART AAND PART B MONITORING RESULTS:
• A SINGLE BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDANCES FOR THE SAME PARAMETER AT ANYONE OUTFALL? YES ❑ NO ❑
IF YES, HAVE YOU CONTACTED THE DEMLR REGIONAL OFFICE AS REQUIRED BYTHE PERMIT? YES ❑ NO ❑
REGIONAL OFFICE CONTACT NAME:
Mail an original and one coov of this DMR, including all "No Discharge" reports, within 30 days of receipt of the lob results for at end of monitorina period
in the case of "No Discharge" reports) to:
Division of Water Resources
Attn: DWR Central Files
r
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 q i d personnel properly 51,
and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those perso dire ly responsibir foy�gathe information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I
am aware t a ther gmsignific t ena submitting false information, including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee)
1 fZ Zv
(Date)
Permit Date: 08/01/2019-05/31/2024
SWU-256, last revised 09/04/2019
Page 2 of 2

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