NCG030679_DMR_20210423

Stormwater Discharge Monitoring Report
NC Depai tree; ; f
Environmental Q" _
Received y
for North Carolina Division of Energy, Mineral and Land Resources General Permit No. NCG0300'00" 2 3 2821
Date submitted i - Z I- LOLL
CERTIFICATE OF COVERAGE NO. IN0003_c6
FACILITY NAME 5
COUNTY :I c�
PERSON COLLECTING SAMPLES 1Zfo rao.
LABORATORY _'P— L Lab Cert. #
Comments on sample collection or analysis:
Part A: Stormwater Benchmarks and Monitoring Results
,, Winston-`lem
SAMPLE COLLECTION YEAR rrr) LJ L2\ Regional Office
(/-C- SAMPLE PERIOD Q Jan -June ❑ July -Dec
or ❑ Monthly' (month)
DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
❑Zero -flow [:]WaterSupply [:]SA
❑Other
PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 4
r1=7
Outfall No.
Date Sample
Collected i
(mo/dd/yr)
24-hour rainfall
amount,
Inches'
Total Suspended Solids
pH'
Standard units
Total CoTotal
CopperTotalotal
U No
aiscnarge this
period?l
on-Polar O&G/
Petroleum
Hydrocarbons
Toxic
Organics s
Benchmarks
_
-
100 mg/L or 50 mg/L^
6.0 - 9.0
0.010 mg/L15
mg/L
1 mg
Parameter Code
-
46529
C0530
(.
00400
Z
01119
00552
%_i78_141
78141}.jr7
7 ,
p.
L_`\Mnnthh,
cam nlinu linctc�i! of m...L�nn�.�n
....•..t
L.....:.. ...:« .L_ _____I ____
..........I --•••r••••I Y•.�. -• � .., w beg1n w,.,1 Me seconu wnsecu❑ve oencnmarK exceeaance Tor the same parameter at the same outfall.
z For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
'The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
° See General Permit, Section B, Table 1 to identify the especially sensitive receiving water classifications where the more protective benchmark applies.
5 Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained In the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11; for semiconductor
manufacture use the definition as found in 40 CFR 469.12; for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
Permit Date: 11/1/2018-05/31/2021 SWU-245, last revised 11/1/2018
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver, the discharger shall sign the following certification statement:
"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 dumping of concentrated toxic organics into the stormwater or 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 the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
Name (Print name)
Sr /r/a0709,rv-,
i?arr aG / JA
Title (Print title),eg:,z
L%�L-moo 5�-�o az
Signature Date
Note: Results must be reported in numerical format. Do not resort Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -numerical
format. When results are below the applicable limits, they must be reported in the format, "<XX me/L", where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
F-I No discharge this period ?2
Qutfall No.
Date Sample Collected'
(mo/dd/yr)
24-hour rainfall amount,
Inches3
New Motor Oil or
Hydraulic Oil Usage
Non -Polar O&G/ Total
Petroleum Hydrocarbons
Total Suspended
Solids
Benchmarks
-
-
-
15 mg/L
100 mg/L or 50 mg/V
Parameter Code
-
46529
NCOIL
00S52
C0530
Footnotes from Part A also apply to Part B
Note: if you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Permit Date: 11/1/2018-05/31/2021 SWU-245, last revised 11/1/2018
Page 2 of 3

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 030679
Person Collecting Samples: Craig Reardon
Facility Name: General Dynamics Mission System
Laboratory Name: Pace Analytical
Facility County: Guilford
Laboratory Cert. No.: 633
Discharge during this period: 0 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 [Z]No
If so, which Tier (I, II, or III)?
A copy of this DMR has been uploaded electronically via https:Hedocs.deg.nc.gov/Forms/SW-DMR ❑✓ Yes ❑ No
Date Uploaded: 4/21/21
Analytical Monitoring Requirements for Outfalls with Industrial Activities — Benchmarks in (Red)
Parameter
Parameter
Outfall1
Outfall2
Outfall3
Outfall
Outfall
Code
N/A
Receiving Stream Class
WS-V;NSW
WS-V;NSW
WS-V;NSW
N/A
Date Sample Collected MM/DD/YYYY
3/31/21
3/31/21
3/31/21
46529
24-Hour Rainfall in inches
.43
.43
.43
C0530
TSS in mg/L (100 or 50*)
44.3 mg/L
N/D
30 mg/L
00400
pH in standard units (6.0-9.0)
7.2
6.4
6.8
01119
Copper, total recoverable in mg/L
N/A
N/A
N/A
(0.010)
01051
Lead, total recoverable in mg/ L
N/A
N/A
N/A
(0.075)
01094
Zinc, total recoverable in mg/ L
N/A
N/A
N/A
(0.126)
78141
Total Toxic Organics (TTO) in mg/L(1)
N/A
N/A
N/A
(if required)
00552
Non -Polar Oil & Grease in mg/L (15)
N/D
N/D
N/D
Additional parameters for outfalls in drainage areas that use >55 gallons per month of new hydraulic oil on average
NCOIL
Estimated New Motor/Hydraulic Oil
N/A
N/A
N/A
Usage in gal/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): N/A
"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."
4/21 /2021
Signature of Permittee or Delegated Authorized Individual Date
Email Address [e-mail] Phone Number 336-323-9862

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 the Stormwater Pollution Prevention Plan."
�� 2,6� 4/21/2021
Signature of Permittee or Delegated Authorized Individual Date
Email Address [e-mail] Phone Number 336-323-9862