NCG030127_2021 DMR_20210305

February 16, 2021
DEQ Mooresville Regional Office
Attn: DEMLR Stormwater Program
610 East Center Avenue, Suite 301
Mooresville, NC 28115
Re: Stormwater Discharge Outfall Monitoring Report: Y3 P1, 2021, January Tier II Monthly
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
monthly sampling event for sample period Year 3, Period 1, 2021, January Tier 11 monthly
sampling, 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,
Ronnie Britt, MS, CSP & CHMM
Environmental, Health and Safety Manager
Granges Americas Inc.
Enclosures: Stormwater Discharge Outfall Monitoring Report (DMR)

NCDEQ Division of Energy, Mineral and Land Resources
Storrrrvuater 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 appropriate DEMLR Regional Office.
Certificate of Coverage No. NCG03 0 1 2 7 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, 37706, & 37712
Discharge during this period: U Yes H No (if no, skip to signature and date)
Has your facility implemented mandatory Tier response actions for any benchmark exceedances? no Yes ❑ No
if so, which Tier (I, il, or Ill)? II
Analytical Monitoring Requirements for Outfalls with Industrial Activities — Benchmarks in (Red)
Parameter
parameter
Outfall 1
Outfall 3
Outfall
Outfall
Outfall
Code
N/A
Receiving Stream Class
Class C
Class C
N/A
Date Sample Collected MM/DD/YYYY
01/25/2021
01/25/2021
46529
24-Hour Rainfall in inches
0,46
0.46
00552
Non -Polar Oil & Grease in mg/L (15)
< 5.0
< 5.0
C0530
TSS in mg/L (100 or 50*)
32.6
325
00400
pH in standard units (6.0 — 9.0)
7.04
6.99
NCOIL
New Motor/Hydraulic Oil Usage in
NA
NA
gal/month
01119
Copper, total recoverable in mg/L
0.0104
0.0666
(0.010 FW, 0.005 SW)
01051
Lead, total recoverable in mg/ L
C 0.0050
0.0207
(0.075 FW, 0.220 SW)
01094
Zinc, total recoverable in mg/ L (0,126
0.0682
0.3660
FW, 0,095 SW)
78141
Total Toxic Organics (TTO) in mg/L(l)
NA
NA
* Outfalls to Outstanding Resource Waters (ORW), High Quality Waters (HQW), Trout Waters (Tr) and primary Nursery Areas (PNA)
have a benchmark TSS limit of 50 rng/i.. Ail other water classifications have a benchmark of 100 mg/L.
Notes (optional): pH sample collected and analyzed by Ryan R. Osborne of INENC3, INC., North Carc;t na Field Services Cettification #. 5541
"I certify by my signature below, under penalty of law, that this document and ail 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 or Delegated Authorized Individual
,� / .2.3 r )-
Date