NCG030394_Monitoring (Report)_20210723

a] I �& -0 1
July 2021
Mr. James Moore
NCDEQ
Division of Energy, Mineral, and Land Resources
Mooresville Regional Office
610 East Center Avenue, Suite 301
Mooresville, North Carolina 28115
Subject: Report of Stormwater Sampling— First Half 2021
Commercial Fabricators, Inc.
2045 Industrial Drive
Newton, Catawba County, North Carolina
NCDEQ Certificate of Coverage #NCG030394
Dear Mr. Moore:
Attached is a stormwater sampling report for the subject facility. If you have any questions regarding this
submittal, please contact the undersigned at 336-382-6849.
Sincerely,
Jeff Gerlock, L.G.
NC Licensed Geologist #1141
Attachments — SW Discharge Monitoring Report Form
Cc: Mr. John R. Tucker, Jr, Commercial Fabricators
Operations Excellence, Inc., 2235-E Lewisville-Clemmons Road, Clemmons, North Carolina 27012— 336-766-2913

NCDEQ Division of Energy, Mineral and Land Resources
Stormwater Discharge Monitoring Report (DMR) Form for N00030000
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® Person Collecting Samples: Jeff Gerlock
Facility Name: Commercial Fabricators Laboratory Name: Meritech
Facility County: Guilford Laboratory Cert. No.: 165
Discharge during this period: ❑ Yes ❑ No (if no, skip to signature and date)
Has your facility implemented mandatory Tier response actions for any benchmark exceedances? ❑ Yes ❑ No
If so, which Tier (I, 11, or III)? II
Analytical Monitoring Requirements for Outfalls with Industrial Activities — Benchmarks in (Red)
Parameter
Parameter
Outfall 1
Outfall 2
Outfall
Outfall
Outfall
Code
N/A
Receiving Stream Class
C
C
N/A
Date Sample Collected MM/DD/YYYY
06/07/2021
06/07/2021
46529
24-Hour Rainfall in inches
1.7
1.7
00552
Non -Polar Oil & Grease in mg/L (15)
<5
10
C0530
TSS in mg/L (100 or 50*)
4
<2.5
00400
pH in standard units (6.0-9.0)
6.13
6.67
New Motor/Hydraulic Oil Usage in
NCOIL
gal/month
01119
Copper, total recoverable in mg/L
0.003
0.008
(0.010 FW, 0.005 SW)
01051
Lead, total recoverable in mg/ L
<0.0 1 0
<0.0 1 0
(0.075 FW, 0.220 SW)
Zinc, total recoverable in mg/ L (0.126
0.079
0.213
01094
FW, 0.095 SW)
78141
Total Toxic Organics (TTO) in mg/L(1)
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 mg/L. All other water classifications have a benchmark of 100 mg/L.
Notes (optional): I
"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, including the possibility of fines and imprisonment for
knowing violations."
of Permittee or DeVgated Authorized Individual
7 z ® zo21
Date