NCG030127_2021 DMR_20210322

March 22, 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, February 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, February Tier II 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,
Jessica Moggridge
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 appropriate 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, 37706, & 37712
Discharge during this period: El Yes ❑ No (if no, skip to signature and date)
Has your facility implemented mandatory Tier response actions this sample „period for any benchmark exceedances? ❑✓ Yes ❑ No
If so, which Tier (I, II, or III)? II
A copy of this DMR has been uploaded electronically via https:Hedocs.deg.nc.gov/Forms/SW-DMR ✓❑ Yes ❑ No
Date Uploaded: 03/22/2021
Analytical Monitoring Requirements for Outfalls with Industrial Activities - Benchmarks in (Redl
Parameter
Parameter
Outfall1
Outfall3
Outfall
Outfall
Outfall
Code
N/A
Rece,ving Stream Class
Class C
Class C
N/A
Date Sample Collected MM/DD/YYYY
02/11/2021
02/11 /2021
46529
24-Hour Rainfall in inches
0.44
0.44
C0530
TSS in mg/L (100 or 50*)
24.2
71.4
00400
pH in standard units (6.0 - 9,0)
6.95
7.02
01119
Copper, total recoverable in mg/L
0.0102
0.0217
(0.010)
01051
Lead, total recoverable in mg/ L
< 0.0050
< 0.0050
(0.075)
01094
Zinc, total recoverable in mg/ L
0.0581
0.0713
(0,126)
78141
Total Toxic Organics (TTO) in mg/Li 1)
NA
NA
(if required)
00552
Non -Polar Oil & Grease in mg/L (1S)
< 5.0
< 5.0
Additional parameters for outfalls in drainage areas that use >55 gallons per month of new hydraulic oil on average
Estimated New Motor/Hydraulic Oil
NCOIL
Usage in al/month
* 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 mg/L. All other water classifications have a benchmark of 100 mg/L
Notes (optional): pH sample collected and analyzed by Ryan R. Osborne of INENCO, INC., North Carolina Field Services Certification #: 5540
"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, includingthe possibility of fines and imprisonment for knowing violations."
Signature of Permittee or Delegated Authorized Individual
Email Address Afe(, Mi . A0 qo/t
3, ,_ r. z o .Z
Date
Phone Number 0 O q)(03 7- '15 IV

Total Toxic Organics Certification:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring
requirement for total toxic organics (TTO), I certify that to the best of my knowledge and belief, no leak, spill, or dumping of
concentrated toxic organics into the stormwater or onto areas which are exposed to rainfall or stormwater runoff has occurred since
filing the last discharge monitoring report. I further certify that this facility is implementing all the provisions of the Solvent
Management Plan included in th tormwater Pollution Prevention Plan."
� . 2 1, 2 02 �
Signature of Permittee or Delegated Authorized Individual Date
Email Address N�c ,, �p�Cn [r.� E ra(xe es . L.D rvi Phone Number c 70 Yj b s 7 -nisi y