NCG200513_MONITORING REPORT_20210128 (2)

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scrap
Metal Buyers and Recyclers
January 22, 2021
CERTIFIED MAIL
RETURN RECEIPT REQUESTED.
7020 2450 00016459 6423
Mr. James Moore
NCDEQ-Regional Office Engineer
NC Dept. of Energy, Minerals and Land Resources
Mooresville Regional Office
610 East Center Avenue, Suite 301
Mooresville, NC 28115
RE: General Stormwater Permit Monthly Sampling Event (December 2020)
Certificate of Coverage No. NCG200513
Dear Mr. Moore:
With this submittal, the United Scrap Metal — Charlotte Facility (USM) is providing the
December 2020 monthly discharge monitoring report (No Discharge). An updated results table is
also enclosed. USM is currently monitoring monthly due to "Tier Two/Three" status for copper
and zinc. 'Note that business at the facility has increased to the point where combined
motor/hydraulic usage exceeds 55 gallons per month. The monthly average usage has been
added to the DMR for December 2020.
As noted in prior DMR(s),installation of Regenerative Stormwater Conveyances at Outfalls 003
and 004 were completed in the month of November 2020. USM continues investigative actions
and site specific best management practices to reduce copper and zinc concentrations in
stormwater runoff from the facility.
Should you have any questions or comments, please do not hesitate to contact me at 804-621-
7000 or mobile phone [phone].
Sincerely,
UNITED SCRAP METAL, INC.
John Dergo
General Manager
Enclosures
cc: Adam Wilk— USM National Compliance Manager
Tim Monroe —Leaf Environmental & Engineering, P.C.

NCDEQ Division of Energy, Mineral and Land Resources
Stormwater Discharge Monitoring Report (DMR) Form for NCG200000
Scrap Metal
Click here for instructions
✓44119 '
Complete, sign, scan and submit the DMR via the Stormwater NPDES Permit Data Monitoring Report (DMR) 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. NCG20 FOT 5 1 3 Person Collecting Samples: John Dergo
Facility Name: united scrap Metal, Inc. Laboratory Name: N/A
Facility County: Mecklenburg Laboratory Cert. No.: N/A
Discharge during this period: ❑ Yes X No (if no, skip to signature and date)
Has your facility implemented mandatory Tier response actions for any benchmark exceedances? 0 Yes [-]No
If so, which Tier (I, II, or III)? III
Part A: Analytical Monitoring Requirements for Outfalls with Industrial Activities — Benchmarks in (Red)
Parameter
Parameter
Outfall 1
Outfall 2
Outfall 3
Outfall4
Outfall
Code
N/A
Receiving Stream Class
N/A
Date Sample Collected MM/DD/YYYY
46529
24-Hour Rainfall in inches
00552
Non -Polar Oil & Grease in mg/L (15)
C0530
I TSSin mg/L(100 or50•)
Chemical oxygen Demand (COD)
00340
(120)
Copper, total recoverable in mg/L
01119
(0.010 FW, 0.005 SW)
Lead, total recoverable in mg/ L
01051
(0.075 FW, 0.220 SW)
Zinc, total recoverable in mg/ L (0.126
01094
FW, 0.095 SW)
Part B: Vehicle & Equipment Maintenance Areas — Benchmarks in (Red)
Parameter
Parameter
Outfall
Outfall
Outfall
Outfall
Outfall
Code
N/A
Receiving Stream Class
N/A
Date Sample Collected MM/DD/YYYY
NCOIL
New Motor/Hydraulic Oil Usage in
93
93
93
93
gal/month
* Outfalls to Outstanding Resource Waters (ORW), High Quality Waters (HOW), Trout Waters (Tr) and Primary Nursery Areas (PNA)
have a benchmark TSS limit of 50 mg/L All other water classifications have a benchmark of 100 mg/L.
Notes (optional):
"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 sig ficant pen es for submitting false information, including the possibility of fines and imprisonment for
knowing violations." �%
Signature of
Authorized Individual
-L / - 2-oZ (
Date

St.rmwater quantitative Monitoring -Analytical Results
(NPOES Gss UI Pem18 COC NM200513)
Raced Snap Mehl, Inc.
San Bmokfol8 Street, Obarloeo, NO 28273
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