NCG030127_2022 DMR_20220916

September 16, 2022
DEQ Mooresville Regional Office
Attn: DEMLR Stormwater Program
610 East Center Avenue, Suite 301
Mooresville, NC 28115
Re: Stormwater Discharge Outfall Monitoring Report: August Monthly, 3rd Q 2022
Granges Americas Inc.
Rowan County
General Permit NCG030000, Certificate of Coverage NCG030127
Dear Stormwater Permitting Unit;
We respectfully submit the enclosed original signed copy of the Stormwater Discharge Outfall
Monitoring Report (DMR) for the Granges Americas Inc. facility under General Permit Number
NCG030000, Certificate of Coverage Number NCG030127. This submission serves as the Tier
Ill monthly sampling event for AUGUST cluringthe 3`d Q 2022 (July- September) term as outlined in
our stormwater permit. We will continue monthly sampling until three consecutive sample
results are below the benchmark values or within benchmark range as described in our permit.
If you have any questions or comments regarding this Stormwater Discharge Outfall Monitoring
Report (DMR) submission, please contact us at your convenience.
Sincerely,
r
F
Gary Gray
Environmental, Health and Safety Manager
Granges Americas Inc.
Enclosures: Stormwater Discharge Outfall Monitoring Report (DMR)

NCDEQ Division of Energy, Mineral and Land Resources
Stormwater Discharge Monitoring Report (DMR) Form for NCG030000
Metal Fabrication
Click here for instructions
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 agUrogriate DEMLR Regional Office.
Certificate of Coverage No. NCG03 0127
Person Collecting Samples: Ryan R. Osborne (INENCO, INC.)
Facility Name: Granges Americas Inc.
Laboratory Name: Pace Analytical Services, LLC
Facility County: Rowan
Laboratory Cert. No.: 12, 40, 381, 37706, 37712
Discharge during this period:
Dyes
0
No (if no, skip to signature and date)
Has your facility implemented mandatory Tier response actions this sample period for any benchmark exceedances? Dyes No
If so, which Tier (I, It, or III)? III
A copy of this DMR has been uploaded electronically via httos-//edocs deg nc gov/Forms/SW-DMR Yes No
Date Uploaded:
Analytical Monitoring Requirements for Outfalls with Industrial Activities — Benchmarks In (Red)
Parameter
Parameter
Outfall1
Outfall3
Outfall
Outfall
Outfall
Code
N/A
Receiving Stream Class
Class C
Class C
N/A
Date Sample Collected MM/DD/YYYY
08/21/2022
08/21/2022
46529
24-Hour Rainfall in inches 11.18
1.18
C0530
TSS in mg/L (100 or 50*)
4.9
44.8
pH in standard units (6.0-9.0 FW,
00400
6.8-8.5 SW)
6.76
7.14
Copper, total recoverable in mg/L
01119
(0.010 FW, 0.0058 SW)
0.0101
0.0050
Lead, total recoverable in mg/ L
01051
(0.075 FW, 0.22 SW)
0.0022
< 0.0010
Zinc, total recoverable in mg/ L (0.126
01094
FW, 0.095 SW)
0.0275
0.0513
Chemical Oxygen Demand (COD) in
00340
mg/L (120)
47.9
< 25.0
00552
Non -Polar Oil & Grease in mg/L (15)
< 4.8
< 4.9
* Outfalls to Outstanding Resource Waters (ORW), High QualityWaters (HQW), 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
.."' (Freshwater) 5 (Saltwater)
Notes (optional): pH sample collected and analyzed by Ryan R. Osborne of INENCO, INC., North Carolina Field Services Certification
"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 significant penalties for submitting
false information, includi the possibili f fines and imprisonment for knowing violations."
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Signature of Po(rn4itee or Delegated Authorized Individual Date
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Email Address Phone Number