NCS000569_Draft permit_20240913

�.Me STATE of
ROY COOPER
Governor
ELIZABETH S.BISERy
Secretary *44foww n°Ev
WILLIAM E.TOBY VINSON,JR NORTH CAROLINA
Interim Director Environmental Quality
September 13, 2024
Elaine Bradford, Associate Director of Health, Safety, and Environment Linde Gas &
Equipment, Inc.
53 Frontage Road
Hampton,NJ 08827
Subject: Draft NPDES Stormwater Permit
NPDES Permit NCS000569
Linde Gas & Equipment, Inc.
Durham County
Dear Permittee:
The Division of Energy, Mineral, and Land Resources (DEMLR) Stormwater Permitting
Program received your renewal application for coverage under NPDES Permit NCS000569 on
April 15, 2024. Enclosed with this letter is a copy of the draft stormwater permit for your
facility. Please review the draft carefully to ensure thorough understanding of the conditions and
requirements it contains.
The draft permit contains the following significant changes from the current permit:
1. Regulatory citations have been added.
2. Monitoring increased from semi-annually to quarterly for all parameters (qualitative and
quantitative) as this is a standard monitoring requirement in all stormwater permits.
3. Units of measure for several benchmarks have been changed from mg/L to µg/L.
4. "No discharge" clarifications have been made.
5. eDMR reporting requirement has been updated.
6. Feasibility study and online SWPPP certification requirements have been removed from
the Stormwater Pollution Prevention Plan requirements.
7. Boilerplate language has been moved into the body of the permit. There is no longer a
boilerplate attachment to the permit.
8. Outfall-specific monitoring has been implemented.
9. Permit condition for standard operating procedures (SOP) has been added to Part B as a
part of SWPPP requirements.
10. Monitoring for total nitrogen and total phosphorus has been removed as these are not
pollutants of concern for the facility.
E Q�� North Carolina Department of Environmental Quality I Division of Energy,Mineral and Land Resources
_ 512 North Salisbury Street 1 1612 Mail Service Center I Raleigh,North Carolina 27699-1612
NORTH GAROLIN
oepanm M W BWmn Mm 10u`, r 919.707.9200

11. Monitoring for COD has been added for all outfalls due to the storage of materials outside.
12. Monitoring for total copper, total lead, and total zinc has been added for all outfalls due to
the presence of scrap metal onsite.
13. Total hardness monitoring added for all outfalls that also require monitoring for hardness
dependent metals.
14. Stormwater benchmarks have been updated.
Stormwater benchmarks are not permit limits, but rather guidelines for implementing the
Stormwater Pollution Prevention Plan(SWPPP). A benchmark exceedance is not a permit
violation; however, the permittee must respond to exceedances as directed in the Tier Response
requirements.
Please note that representative outfall status (ROS) is a separate review process and not handled
during permit renewal. If you wish to request ROS, you may visit our website at deq.nc.gov/SW-
industrial and follow the instructions under"Request Representative Outfall Status".
Threatened and Endangered Species: Please note that your facility drains to an area where there
are threatened and endangered species. The Indian Physic (Gillenia stipulate) is a threatened
species that has been identified near your facility. Failure to abide by your stormwater permit
may constitute violation of the Threatened and Endangered Species Act.
With this notification, the Division will solicit public comment on this draft permit by publishing
a notice in newspapers having circulation in the general Durham County area,per EPA
requirements. Please provide your comments,if any, to me no later than 30 days after
receiving this draft permit. Comments may be emailed to [e-mail] or
mailed to:
NC DEMLR
Stormwater Permitting Program
Attn: Brianna Young
1612 Mail Service Center
Raleigh,NC 27699-1612
Following the 30-day public comment period, the Division will review all pertinent comments
and take appropriate action prior to issuing a final permit. If you have questions concerning the
draft,please contact me at [e-mail] or call 919-707-3647.
Sincerely,
Brianna Young, Industria ndividual Permit Coordinator
DEMLR Stormwater Program
North Carolina DCpWn*M1 of Envirow"rdal Quality I DtdgW bf Entrgy.Minrraland Laid Resources
D E Q� 5I2 North Sallstwry Strew I L612 Mail Service Centcr I RalelgtkNorih Carolina 27699-1612
.or.�.a r.,.-a-.—w aw 919.707.9200

Attachment: Draft Permit NCS000569
cc:NPDES Stormwater Program Files(Laserfiche)
Raleigh Regional Office
DWR/Public Water Supply
NCWRC
Terrance Caldwell,Plant Manager, Linde Gas & Electric, Inc.
North Carolina DCpWn*M1 of Envirm"rdal Quality I DtdgW bf Entrgy.Minrraland Laid Resources
D E Q� 5I2 North Sallstwry Strew I L612 Mail Service Centcr I RalelgtkNorih Carolina 27699-1612
�.or.�.a r.,.-a-.—w aw 919.707.9200

Permit NCS000569
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENTAL QUALITY
DIVISION OF ENERGY, MINERAL, AND LAND RESOURCES
PERMIT
TO DISCHARGE STORMWATER UNDER THE
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
N( PDES)
In compliance with the provisions of North Carolina General Statute 143-215.1, other lawful standards
and regulations promulgated and adopted by the North Carolina Environmental Management
Commission, and the Federal Water Pollution Control Act, as amended,
Linde Gas & Electric, Inc.
is hereby authorized to discharge stormwater from a facility located at:
Linde Gas & Electric, Inc.
11 Triangle Drive
Durham,NC
Durham County
to receiving waters designated as an unnamed tributary to Buck Branch, a Class WS-IV; NSW stream, in
the Cape Fear River Basin, in accordance with the discharge limitations, monitoring requirements, and
other conditions set forth in Parts A through J hereof.
This permit shall become effective
This permit and the authorization to discharge shall expire at midnight on , 2029.
Signed this day
Michael Lawyer, Stormwater Program Supervisor
Division of Energy, Mineral and Land Resources
By the Authority of the Environmental Management Commission
Page 1 of 37

Permit NCS000569
TABLE OF CONTENTS
PART A: INDIVIDUAL PERMIT COVERAGE
PART B: STORMWATER POLLUTION PREVENTION PLAN (SWPPP)
B-1. Responsible Party
B-2. General Location Map
B-3. Site Map
B-4. Narrative Description of Industrial Processes
B-5. Evaluation of Stormwater Outfalls
B-6. Narrative Description of Stormwater SCMs/BMPs
B-7. Facility Inspections
B-8. Secondary Containment Plan
B-9. Spill Prevention and Response Procedures
B-10. Preventative Maintenance and Good Housekeeping Program
B-11. Employee Training
B-12. Representative Outfall Status
B-13. Annual SWPPP Review and Update
B-14. Notice to Modify SWPPP
B-15. SWPPP Documentation
B-16. Solvent Management Plan
B-17. Standard Operating Procedure
PART C: QUALITATIVE MONITORING OF STORMWATER DISCHARGES
C-1. Visual Inspections
C-2. Qualitative Monitoring Response
PART D: ANALYTICAL MONITORING REQUIREMENTS
D-1. Required Baseline Sampling
D-2. Baseline Sampling Benchmarks
D-3. Methodology for Collecting Samples
D-4. Locations for Collecting Samples
D-5. Tier One Response: Single Benchmark Exceedance
D-6. Tier Two Response: Two Consecutive Benchmark Exceedances
D-7. Tier Three Response: Four Benchmark Exceedances Within 5 Years
PART E: SUBMITTAL OF DISCHARGE MONITORING REPORTS (DMRs)
E-1. Deadlines for Submittal of Discharge Monitoring Reports
E-2. Electronic Discharge Monitoring Reporting (eDMR) Process
E-3. Occurrences of No Discharge
E-4. Reports if More Frequent Monitoring Has Occurred
E-5. Report if Begin Discharging to a New Stormwater Discharge Outfall
E-6. Qualitative Monitoring Reports
E-7. Monitoring Report Retention
E-8. Waivers from Electronic Reporting
PART F: OTHER OCCURRENCES THAT MUST BE REPORTED
PART G: PERMIT ADMINISTRATION
G-1. Signatory Requirements
Page 2 of 37

Permit NCS000569
G-2. Permit Expiration
G-3. Planned Changes
G-4. Transfers
G-5. Sale or Closure
G-6. Permit Modification, Revocation and Reissuance, or Termination
G-7. Anticipated Noncompliance
G-8. Requirement to Report Incorrect Information
G-9. Annual Administering and Compliance Monitoring Fee Requirements
G-10. Flow Measurements
G-11. Test Procedures
G-12. Representative Outfall
G-13. Availability of Reports
G-14. Permit Actions
G-15. Recording Results
PART H: OPERATION AND MAINTENANCE of POLLUTION CONTROLS
H-1. Proper Operation and Maintenance
H-2. Corrective Actions
H-3. Draw Down of Treatment Facilities for Essential Maintenance
H-4. Bypasses of Stormwater Control Facilities
H-5. Upsets
H-6. Required Notice for Bypass or Upset
H-7. SCM Clean-Out
PART I: COMPLIANCE AND LIABILITY
I-1. Compliance Schedule
I-2. Duty to Comply
I-3. Duty to Mitigate
I-4. Civil and Criminal Liability
I-5. Oil and Hazardous Substance Liability
I-6. Property Rights
I-7. Severability
I-8. Duty to Provide Information
I-9. Penalties for Tampering
I-10. Penalties for Falsification of Reports
1-11. Onshore or Offshore Construction
I-12. Duty to Reapply
I-13. Inspection and Entry
I-14. Need to Halt or Reduce Not a Defense
PART J: DEFINITIONS
Page 3 of 37

Permit NCS000569
PART A: INDIVIDUAL PERMIT COVERAGE
During the period beginning on the effective date of the permit and lasting until expiration, the permittee
is authorized to discharge stormwater associated with industrial activity. Such discharges shall be
controlled, limited and monitored as specified in this permit. [NCGS 143-215.1(a)]
If industrial materials and activities are not exposed to precipitation or runoff as described in 40 CFR
§122.26(g), the facility may qualify for a No Exposure Certification from NPDES stormwater discharge
permit requirements. Any owner or operator wishing to obtain a No Exposure Certification must:
(a) Submit a No Exposure Certification application form to the Division of Energy, Mineral and
Land Resources (Division),
(b) Receive approval from the Division,
(c) Maintain no exposure conditions unless authorized to discharge under a valid NPDES stormwater
permit, and
(d) Recertify the No Exposure Certification annually.
[40 CFR 122.26(g); 15A NCAC 02H.0 143(a)(10)]
Until this permit expires or is modified or revoked, the permittee is authorized to discharge stormwater
to the surface waters of North Carolina or separate storm sewer system that has been adequately treated
and managed in accordance with the terms and conditions of this permit. [NCGS 143-215.](a)]
Any other point source discharge to surface waters of the state is prohibited unless it is an allowable
non-stormwater discharge or is covered by another permit, authorization, or approval. The stormwater
discharges allowed by this permit shall not cause or contribute to violations of Water Quality Standards.
[NCGS 143-215.1(a); 40 CFR 122.44(d); 15,4 NCAC 02H.0143(a)(25)1
This permit does not relieve the permittee from responsibility for compliance with any other applicable
federal, state, or local law, rule, standard, ordinance, order,judgment, or decree. [NCGS 143-215.](a);
40 CFR 122.491
Page 4 of 37

Location Map:
t J �
Pal
rLiz
Ail
jP
fdWL
f
a!
f• 1 i � , � 1 fr r� oRI
111�,E;r f=A ;`I/k.
� 1
� ► pp
Location
• : : � r
' 111 • •

Permit NCS000569
PART B: STORMWATER POLLUTION PREVENTION PLAN (SWPPP)
The permittee shall develop and implement a Stormwater Pollution Prevention Plan(SWPPP). The
SWPPP shall be maintained on site unless exempted from this requirement by the Division. The
permittee shall implement the SWPPP and all Best Management Practices (BMPs) consistent with the
provisions of this permit, to control contaminants entering surface waters. These items shall exist for the
duration of the permit term and be made available to the Director upon request, and shall also be sent to
the Raleigh Regional Office upon request. The SWPPP shall be considered public information in
accordance with Part G-13 of this Individual Permit.
The SWPPP shall include, at a minimum, the following items:
B-1. Responsible Party
[40 CFR 122.44(k); 15A NCAC 02H.0143(a)(25)J
The SWPPP shall identify(a) specific position(s) responsible for the overall coordination, development,
implementation, and revision of the SWPPP. Responsibilities for all components of the SWPPP shall be
documented and position assignments provided.
B-2. General Location Map
[40 CFR 122.44(k); 15A NCAC 02H.0143(a)(25)J
The General Location Map shall be a USGS quadrangle map or appropriately drafted equivalent map
that includes:
(a) The facility's location in relation to transportation routes and surface waters;
(b) The name of the receiving waters to which the stormwater outfalls discharge, or if the discharge is
to a Municipal Separate Storm Sewer System(MS4), the name of the municipality and the
ultimate receiving waters; and
(c) Any receiving waters that exceed criteria for one or more parameters or if the site is located in a
watershed for which a Total Maximum Daily Load(TMDL)has been established and, if so, a list
of the parameter(s) of concern.
B-3. Site Map
[40 CFR 122.44(k); 15A NCAC 02H.0143(a)(25)J
The Site Map shall include the following at a scale sufficient to clearly depict all required features. At a
minimum, the map shall include:
(a) Site property/permit boundary;
(b) Site topography and finished grade;
(c) Buildings, roads,parking areas and other built-upon areas;
(d) Industrial activity areas (including: fueling, vehicle maintenance and repair, washing of materials
or equipment, storage of materials, disposal areas, process areas, loading and unloading areas, and
haul roads);
(e) A table of stormwater discharge outfalls and their latitudes and longitudes;
(f) Drainage area for each outfall with an estimation of impervious area percentage;
(g) Stormwater Control Measures (SCMsh
(h) All stormwater collection/drainage features, structures and direction of flow;
Page 6 of 37

Permit NCS000569
(i) On-site and adjacent surface waters and wetlands; and
0) A graphic scale and north arrow.
B-4. Narrative Description of Industrial Processes
[40 CFR 122.44(k); 15A NCAC 02H.0143(a)(25)J
The narrative description shall include:
(a) Storage practices;
(b) Loading and unloading activities;
(c) Outdoor process areas;
(d) Dust or particulate generating and control processes;
(e) Waste disposal practices; and
(f) A list of the potential pollutants that could be expected to be present in the stormwater discharge
from each outfall.
B-5. Evaluation of Stormwater Outfalls
[NCGS 143-215.1; 40 CFR 122.44(k); 15,4 NCAC 02H.0143(a)(25)J
On an annual basis, the permittee shall evaluate all stormwater outfalls for the presence of non-
stormwater discharges. If non-stormwater discharges are present, the permittee shall identify the source
and record whether the discharge is otherwise permitted by rule or a different permit. The permittee
shall evaluate the environmental significance of the non-stormwater discharges and include a summary
written record and certification statement. The certification statement and summary written record shall
be retained with the SWPPP and shall be dated and signed in accordance with the requirements found in
Part G1 of this permit.
B-6. Narrative Description of Stormwater SCMs/BMPs
[40 CFR 122.44(k); 15A NCAC 02H.0143(a)(25)J
A narrative description of structural Stormwater Control Measures (SCMs) and non-structural Best
Management Practices (BMPs) on site shall be provided. Appropriate SCMs/BMPs may include,but are
not limited to, vegetative swales, berms, and reuse of collected stormwater(such as for an industrial
process or as an irrigation source) in a manner that reduces pollutants in stormwater discharges leaving
the site. The installation and implementation of SCMs/BMPs shall be based on the assessment of the
potential for sources to contribute significant quantities of pollutants to stormwater discharges and on
data collected through monitoring of stormwater discharges. The Narrative Description of SCMs/BMPs
shall be reviewed and updated annually.
The narrative description of stormwater SCMs/BMPs shall include:
(a) A written record of the specific rationale for installation and implementation of the selected site
SCMs and/or BMPs; and
(b) BMPs for vehicle maintenance activities.
B-7. Facility Inspections
[40 CFR 122.44(k); 15A NCAC 02H.0143(a)(25)J
Inspections of the facility and all stormwater systems shall occur as part of the Preventative
Maintenance and Good Housekeeping Program at a minimum on a quarterly schedule, with at least 30
days separating inspection dates (unless performed more frequently than quarterly). These facility
Page 7 of 37

Permit NCS000569
inspections are different from, and in addition to, the stormwater discharge characteristic monitoring at
the outfalls required in Parts C and D of this permit.
B-8. Secondary Containment Plan
[40 CFR 122.44(k); 15A NCAC 02H.0143(a)(25)J
In order to prevent leaks and spills from contaminating stormwater runoff, secondary containment is
required for: bulk storage eg of liquid materials including petroleum products; storage in any amount of
water priority chemicals listed in Section 313 of Title III of the Superfund Amendments and
Reauthorization Act(SARA); and storage of hazardous substances in any amount.
For facilities subject to the federal Spill Prevention, Control, and Countermeasure (SPCC) regulation,
the SPCC Plan may be used to support compliance with this requirement.
The Secondary Containment Plan shall include:
(a) A table or summary of tanks and stored materials equipped with secondary containment systems;
(b) Manually activated valves or other similar devices that are securely closed with a locking
mechanism if the secondary containment devices are connected to stormwater conveyance system;
(c) A commitment to visually observe any accumulated stormwater prior to release for color, foam,
outfall staining, visible sheens, and dry weather flow. Accumulated stormwater may be released if
found to be uncontaminated by any material. Accumulated stormwater found to be contaminated
shall not be released from the containment area;
(d) Records on every release from a secondary containment system that include: the individual
making the observation, a description of the accumulated stormwater, and the date and time of the
release. These records shall be kept for a period of five (5) years.
B-9. Spill Prevention and Response Procedures
[40 CFR 122.44(k); 15A NCAC 02H.0143(a)(25)J
A responsible person shall be on-site at all times during facility operations that have potential to
contaminate stormwater runoff through spills or exposure of materials associated with the facility
operations. For facilities subject to the federal Spill Control and Countermeasure (SPCC)regulation, the
SPCC Plan may be used to support compliance with this permit. The Spill Prevention and Response
Procedures (SPRP) shall incorporate an assessment of potential pollutant sources based on a materials
inventory of the facility. The SPRP must be site specific. An oil SPCC Plan may be a component of the
SPRP. The common elements of the SPCC used to meet the SPRP shall be incorporated by reference
into the SPRP.
The Spill Prevention and Response Procedures (SPRP) shall include at minimum:
(a) An assessment of areas of the facility where there is the potential for spills;
(b) A list of trained facility personnel responsible for implementing the SPRP;
(c) A signed and dated acknowledgement in which staff members accept responsibilities for the
SPRP;
(d) A supply of spill response materials and equipment and the locations for storing these items;
(e) Written procedures for proper cleanup and disposal of spilled materials; and
(f) A list of significant spills or leaks of pollutants that have occurred during the previous three (3)
Page 8 of 37

Permit NCS000569
years and any corrective actions taken to mitigate spill impacts or the notation that no spills have
occurred. This list shall be updated on annual basis.
B-10. Preventative Maintenance and Good Housekeeping Program
[40 CFR 122.41(e), 122.44(k); 15A NCAC 02H.0143(a)(22), (25)J
A preventative maintenance and good housekeeping program (PMGHP) shall be developed and
implemented. The program shall address all stormwater control measures (SCMs) (if applicable),
stormwater discharge outfalls, all on-site and adjacent surface waters and wetlands, industrial activity
areas (including material storage areas, material handling areas, disposal areas, process areas, loading
and unloading areas, and haul roads), all drainage features and structures, and existing structural SCMs
and non-structural BMPs.
The PMGHP shall include:
(a) A schedule of inspections, maintenance and housekeeping measures for industrial activity areas
including, at a minimum, all material storage and handling areas, disposal areas, process areas,
loading and unloading areas, haul roads, and vehicle maintenance areas. Inspections shall occur at
a minimum on a quarterly schedule. A minimum of thirty (30) days must separate each
inspection:
i. Period 1: January 1 —March 31
ii. Period 2: April 1 —June 30
iii. Period 3: July 1 — September 30
iv. Period 4: October 1 —December 31
(b) A plan for disposing spent lubricants and fuels properly and in accordance with applicable federal
disposal regulations (if applicable); and
(c) A record of inspections, maintenance, and housekeeping activities.
B-11. Employee Training
[40 CFR 122.44(k); 15,4 NCAC 02H.0143(a)(25)J
Training programs shall be provided at a minimum on an annual basis for facility personnel with
responsibilities for: spill response and cleanup, preventative maintenance activities, and for any of the
facility's operations that have the potential to contaminate stormwater runoff. The facility personnel
responsible for implementing the training shall be identified, and their annual training shall be
documented by the signature of each employee trained.
The annual employee training shall include, at a minimum, the following topics:
(a) General stormwater awareness;
(b) Spill response and cleanup procedures;
(c) Preventative maintenance and good housekeeping activities;
(d) Secondary containment releases; and
(e) Fueling procedures (if applicable).
Page 9 of 37

Permit NCS000569
B-12. Representative Outfall Status
[40 CFR 122.41(e), 122.44(k); 15A NCAC 02H.0143(a)(22), (25)J
If the Division has granted representative outfall status (ROS),written documentation from the Division
shall be part of the SWPPP. The permittee shall notify the Division of any site or activity modifications
that result in a change to ROS.
B-13. Annual SWPPP Review and Update
[40 CFR 122.44(k); 15A NCAC 02H.0143(a)(25)J
All aspects of the SWPPP shall be reviewed and updated on an annual basis. The permittee shall amend
the SWPPP whenever there is a change in design, construction, operation, site drainage, maintenance, or
configuration of the physical features which may have a significant effect on the potential for the
discharge of pollutants to surface waters.
In addition to the other items in Part B of the permit, the SWPPP update shall include:
(a) An updated list of significant spills or leaks of pollutants for the previous three (3) years, or the
notation that no spills have occurred;
(b) A written certification that the stormwater outfalls have been evaluated for the presence of non-
stormwater discharges;
(c) A documented re-evaluation of the effectiveness of the on-site SCMs and BMPs in minimizing
the contamination of stormwater runoff, including a summarization of all SCM inspections
conducted throughout the year preceding the annual update;
(d) A statement that annual training requirements were met in the past year; and
(e) A review and comparison of sample analytical data to benchmark values (if applicable) over the
past year, including an evaluation of Tiered Response status. The permittee shall use DEMLR's
Annual Summary Discharge Monitoring Report (DMR) form, available from the Stormwater
Permitting Program's website hlt2s:Hdeq.nc.gov/about/divisions/energy-mineral-and-land-
resources/stormwater/stormwater-pro r/npdes-industrial-program/individual-industrial-
permits. This form should be kept with the SWPPP and does not need to be submitted to the
Division.
B-14. Notice to Modify SWPPP
[40 CFR 122.44(k); 15A NCAC 02H.0143(a)(25)J
The Director may notify the permittee when the SWPPP does not meet one or more of the minimum
requirements of the permit. Within 30 days of such notice, the permittee shall submit a time schedule to
the Director for modifying the SWPPP to meet minimum requirements. The permittee shall provide
certification in writing (in accordance with Part G1 of this permit) to the Director that the changes have
been made.
B-15. SWPPP Documentation
[40 CFR 122.416), 122.44(k); 15A NCAC 02H.0143(a)(22), (25)J
Documentation of all monitoring, measurements, inspections, maintenance activities, and training
provided to employees, including the log of the sampling data and of actions taken to implement SCMs
and BMPs associated with the industrial activities, including vehicle maintenance activities. Such
documentation shall be kept on-site for a period of five (5) years and made available to the Division
immediately upon request.
Page 10 of 37

Permit NCS000569
B-16. Solvent Management Plan
[40 CFR 122.44(k); 15A NCAC 02H.0143(a)(25)J
The Solvent Management Plan shall be incorporated as a separate chapter into the Stormwater Pollution
Prevention Plan (SWPPP). The Solvent Management Plan (SMP) shall include:
(a) An annually updated and quantified inventory of solvents present on site during the previous
three (3)years;
(b) A narrative description of the facility locations and uses of solvents;
(c) The method of disposal, including quantities disposed on-site and off-site; and
(d) The management procedures and engineering measures for assuring that solvents do not spill or
leak into stormwater.
If solvents are not stored or used onsite, the owner must certify that in the SWPPP. DEMLR may at its
discretion require submittal, review, and approval of the SMP. The permittee shall include the following
signed certification statement in the SWPPP:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the
permit requirement for managing solvents, I certify that to best of my knowledge and belief, no leak,
spill, or dumping of concentrated solvents 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 provisions of the Solvent Management Plan included in the
Stormwater Pollution Prevention Plan."
B-17. Standard Operating Procedure
A standard operating procedure (SOP) shall be created that contains:
(a) Who, what, when, where and how each of the permit requirements is implemented, documented,
and distributed;
(b) Who, where, and how to collect samples; who receives sample results; who and how results are
submitted to DEQ; and how and where those results are stored and utilized;
(c) Who, where, and how training is conducted and where and how training records are stored and
utilized;
(d) Who, where, and how inspections are conducted and where and how inspections are stored and
utilized;
(e) Who and how permit submissions and updates are made to DEQ;
This SOP shall be implemented within ninety (90) days of permit issuance.
Page 11 of 37

Permit NCS000569
PART C: QUALITATIVE MONITORING OF STORMWATER DISCHARGES
The purpose of qualitative monitoring is to implement a quick and inexpensive way to evaluate the
effectiveness of the permittee's SWPPP, to identify the potential for new sources of stormwater
pollution, and to prompt the permittee's response to pollution.
C-1. Visual Inspections
[40 CFR 122.44(k); 15A NCAC 02H.0143(a)(25)J
(a) Visual inspections shall be made at each stormwater discharge outfall (SDO)that discharges
stormwater associated with industrial activity unless representative outfall status specifically for
visual monitoring has been approved in writing by the Division.
(b) Visual inspections shall be performed concurrent with required analytical monitoring on a
quarterly basis. Note: These monitoring requirements will increase to a monthly basis when
responding to Tier Two status.
(c) Visual inspections are not required to be performed outside of the facility's normal operating
hours.
(d) Visual inspections shall be recorded on the Division's Stormwater Discharge Outfall Qualitative
Monitoring Report(QMR) form and shall include observations of:
i. Color;
ii. Odor;
iii. Clarity;
iv. Floating Solids;
V. Suspended Solids;
vi. Foam;
vii. Oil Sheen;
viii. Deposition at or immediately below the outfall;
ix. Erosion at or immediately below the outfall; and
X. Other obvious indicators of stormwater pollution.
(e) Inability to perform inspections because of adverse weather or lack of discharge during the
monitoring period shall not constitute a failure to monitor if the event is documented in the
SWPPP and recorded on the Qualitative Monitoring Report.
C-2. Qualitative Monitoring Response
[40 CFR 122.44(k); 15A NCAC 02H.0143(a)(25)J
(a) If the permittee's qualitative monitoring indicates that the SWPPP and/or existing stormwater
BMPs are ineffective, or that significant stormwater contamination is present, then the permittee
shall investigate potential causes, evaluate the feasibility of corrective actions, and implement
those feasible corrective actions within sixty(60) days.
(b) A written record of the permittee's investigation, evaluation, and response actions shall be kept in
the SWPPP.
Page 12 of 37

Permit NCS000569
PART D: ANALYTICAL MONITORING REQUIREMENTS
This part applies to industrial stormwater discharges of stormwater-only flows from drainage areas
where industrial activities are performed.
D-1. Required Baseline Sampling
[40 CFR 122.44(k); 15A NCAC 02H.0143(a)(25)J
The permittee shall perform baseline sampling of all stormwater discharge outfalls and/or authorized
representative discharge outfalls in accordance with this part.
(a) Grab samples shall be collected, analyzed, and reported for all the parameters listed in Table 1
below, except for Total Rainfall which shall be monitored using a rain gauge.
(b) In addition to the grab samples, the average monthly usage of new motor and hydraulic oil shall
be tracked, recorded, and reported to the Division.
(c) The total rainfall amount for each sampling event shall be recorded in inches. Total rainfall shall
be determined from an on-site rain gauge or a regional rain gauge located within one (1) mile of
the facility.
(d) Samples shall be collected from four separate monitoring periods per year, unless the facility is in
Tier Two or Tier Three status. A minimum of thirty (30) days must separate any two sampling
events during the following periods:
i. Period 1: January 1 —March 31
ii. Period 2: April 1 —June 30
iii. Period 3: July 1 — September 30
iv. Period 4: October 1 —December 31
(e) If the facility was in Tier Two or Tier Three status under the previous permit, the facility shall
continue monthly monitoring and reporting requirements until relieved by the provisions of this
permit or the Division.
D-2. Baseline Sampling Benchmarks
[40 CFR 122.44(k); 15,4 NCAC 02H.0143(a)(25)J
(a) Analytical results for each parameter shall be compared to the benchmark values for the
appropriate receiving stream classification as provided in Table 1. An exceedance of a benchmark
value is not a permit violation; however, failure to respond in accordance with part D-2 b of this
permit is a permit violation.
(b) An exceedance of any benchmark value in Table 1 shall require a tiered response for that outfall.
A single exceedance of a benchmark value shall require a Tier One response for that outfall. Two
benchmark value exceedances in a row shall require a Tier Two response for that outfall. Four
benchmark exceedances for a parameter within a five (5)year period shall require a Tier Three
response for that outfall.
(c) Baseline sampling benchmarks shall be in accordance with Table 1 below.
Page 13 of 37

Permit NCS000569
Table 1. Summary of Quarterly Baseline Sampling Requirements for Stormwater Discharges for
Outfalls SW001, SW002, SW003, SW004, and SWO05
Parameter Code for Parameter Frequency' Benchmark
Reporting
C0530 Total Suspended Solids(TSS) Quarterly 100 mg/L
00400 pH 2 Quarterly 6 s.u.—9 s.u.
46529 Total Rainfall of Sampled Event Quarterly -
(inches)
Non-Polar Oil&Grease for drainage
00552 areas that use>55 gallons/month of Quarterly 15 mg/L
oil on average per EPA Method 1664
(SGT-HEM)
NCOIL Estimated Average Monthly Oil Quarterly -
Usage at the Facility(gallons)
00340 Chemical Oxygen Demand(COD) Quarterly 120 mg/L
01002 Total Arsenic Quarterly 340 µg/L
01042 Total Copper Quarterly 10 µg/L
01051 Total Lead Quarterly 75 µg/L
01092 Total Zinc Quarterly 126 µg/L
00900 Hardness—Total as[CaCO3 or(Ca+ Quarterly -
Footnotes:
1. Measurement frequency: Quarterly during a measurable storm event. If the facility is monitoring monthly
due to Tier Two or Tier Three response actions,the facility shall continue a monthly monitoring and
reporting schedule in Tier Two or Tier Three status until relief is granted.
2. If pH values outside this range are recorded in sampled stormwater discharges,but ambient precipitation
pH levels are lower,then the lower threshold of this benchmark range is the pH of the precipitation
(within instrument accuracy)instead of 6 s.u.. Readings from an on-site or local rain gauge(or local
precipitation data)must be documented to demonstrate background concentrations were below the
benchmark pH range.
3. For each sampled measurable storm event,the total precipitation must be recorded. An on-site rain gauge
is required. Where isolated sites are unmanned for extended periods of time, a local rain gauge reading
may be substitute for an on-site reading.
4. Hardness sampling should be performed in conjunction with testing for hardness dependent metals
(copper, lead, and zinc).
• Outfall SW001: Drainage area consists of scrap metal dumpster, metal pallets, storage
containers, and a parking lot.
• Outfall SWO02: Drainage area consists of landscaped area.
Page 44 of 37

Permit NCS000569
• Outfall SWO03: Drainage area consists of compressed gas cylinder storage, scrap metal storage,
loading/unloading of materials, paint operations, chemical drum storage, an outdoor dust
collector, and hazardous waste storage area.
• Outfall SWO04: Drainage area consists of compressed gas cylinder storage, scrap metal storage,
loading/unloading of materials, and paint operations.
• Outfall SWO05: Drainage area consists of compressed gas cylinder storage and
loading/unloading of materials.
Additional Outfalls
Stormwater outfall SWO02 does not contain industrial activity. Any modifications to these outfalls
that result in a potential stormwater discharge associated with past or present industrial activities
will require a modification of this permit.
Should the permittee identify or create any new stormwater outfalls, remove any stormwater outfalls
identified in this permit, or alter any drainage areas that change the potential pollutants in runoff
discharged through corresponding outfalls, the permittee will submit a request to NC DEMLR to modify
this permit. For any newly discovered pipes or outfalls, the permittee must evaluate the structure and
provide a report of the status and planned actions to NC DEQ within 14 days. The permittee must either
(1)request modification of this permit and modify the S WPPP accordingly, or(2) eliminate potential
discharges by removal, plugging, or combination of both.
D-3. Methodology for Collecting Samples
[40 CFR 122.416); 15A NCAC 02H.0143(a)(22)J
(a) Outfall monitoring efforts shall begin with the first measurable storm event that occurs during the
facility's normal operating hours and begins at least 72 hours after the previous measurable storm
event.
(b) Grab samples shall be collected within the first 30 minutes of discharge. If physical separation
between outfalls prevents collecting samples from all outfalls within the first 30 minutes of
discharge, then the permittee may continue collecting samples until all outfalls that are
discharging have been sampled.
(c) Outfalls that are not discharging during or after the first measurable storm event shall be sampled
during the next measurable storm event,until a sample has been collected from every outfall.
(d) If, during an entire monitoring period, there is no discharge from an outfall during any measurable
storm event that occurs during the facility's normal operating hours and begins at least 72 hours
after the previous measurable storm event, then the permittee shall report "No Discharge"in the
DMR and shall record"No Discharge" in the SWPPP. In this case, the DMR shall be submitted
within 30 days after the end of the monitoring period. Lack of a discharge from an outfall for the
monitoring period shall not constitute failure to monitor as long as this condition is met.
(e) Sampling is not required to be performed outside of the facility's normal operating hours or
during adverse weather conditions.
(f) Samples collected shall be characteristic of the volume and nature of the permitted discharge.
Page 15 of 37

Permit NCS000569
(g) If the sampled storm event coincides with a known non-stormwater discharge that is deemed
permitted under 15A NCAC 02H .0l 06, then this shall be noted on the stormwater discharge
monitoring report.
D-4. Locations for Collecting Samples
[40 CFR 122.416); 15A NCAC 02H.0143(a)(22)J
Samples shall be collected at all stormwater discharge outfalls (SDOs)that discharge stormwater
associated with industrial activity. If the Division has issued a representative outfall status (ROS)
approval letter, then the permittee shall collect samples from all SDOs in accordance with the ROS
approval letter.
(a) All samples shall be taken before the discharge joins or is diluted by any other waste stream,body
of water, or substance.
(b) Monitoring points as specified in this permit shall not be changed without written notification to
and approval by the Division.
D-5. Tier One Response: Single Benchmark Exceedance
[40 CFR 122.416), 122.44(k); 15A NCAC 02H.0143(a)(22), (25)J
The outfall(s)will remain in Tier One status until three consecutive samples are under the benchmark or
are inside the benchmark range for all parameters.
(a) If any sampling result is above the benchmark value for any parameter at any outfall, then the
permittee shall respond in accordance with Table 2 to identify and address the source of that
exceedance for the parameter(s).
(b) Each required response shall be documented in the SWPPP as each action occurs including: the
date and value of the benchmark exceedance, the date the Division's Raleigh Regional Office was
notified of the exceedance, the inspection date, the personnel conducting the inspection, the
selected feasible actions, and the date the selected feasible actions were completed.
(c) Each exceedance of a benchmark parameter shall individually require a Tier One response.
(d) The Tier One response shall be in accordance with Table 2 below:
Table 2: Tier One Res onse for a Benchmark Exceedance
Timeline from Receipt Tier One Required Response/Action
of Sampling Results
Continuously i. Document the exceedance and each required response/action in
the SWPPP in accordance with Part D-5 of the permit.
Within two weeks ii. Notify the Division's Raleigh Regional Office of the exceedance
date and value via email or, when it is developed, an electronic
form created by the Division for reporting exceedances.
iii.Conduct a stormwater management inspection.
iv.Identify and evaluate possible causes of the benchmark
exceedance.
Within one month v. Select specific, feasible courses of action to reduce concentrations
of the parameter(s) of concern including, but not limited to,
source controls, operational controls, or physical improvements.
Within two months vi.Implement the selected feasible actions.
Page 16 of 37

Permit NCS000569
D-6. Tier Two Response: Two Consecutive Benchmark Exceedances
[40 CFR 122.416), 122.44(k); 1 SA NCAC 02H.0143(a)(22), (25)J
The outfall(s)will remain in Tier Two status until three (3) consecutive samples are under the
benchmark or are inside the benchmark range for all parameters.
(a) If any two (2) consecutive sampling results in a row are above the benchmark value for any
parameter at an outfall, then the permittee shall respond in accordance with Table 3 to identify
and address the source of exceedances for that parameter at that outfall.
(b) After implementing the specific feasible courses of action, perform monthly monitoring for all
analytical monitoring parameters at outfall(s) in Tier Two status until three samples in a row are
below the benchmark value.
(c) Each required response shall be documented in the SWPPP as each action occurs, including: the
dates and values of the benchmark exceedances, the date the Division's Raleigh Regional Office
was notified of the consecutive exceedances, the inspection date, the personnel conducting the
inspection, the selected feasible actions, the date the selected feasible actions were completed,
and the monthly monitoring results.
(d) Each pair of two consecutive exceedances of a single benchmark parameter at a single outfall
shall constitute an event that requires a Tier Two response. Subsequent events shall not include
the same exceedances that have been addressed in a Tier Two response.
(e) The Tier Two response shall be in accordance with Table 3 below.
(f) Alternatively, in lieu of the steps listed above, the permittee may, after two consecutive
exceedances exercise the option of contacting the DEMLR Regional Engineer as provided below
in Tier Three. The Regional Engineer may require additional response actions on the part of the
permittee as provided in Tier Three, including reduced or additional sampling parameters or
frequency.
Table 3: Tier Two Response for Two Consecutive Benchmark Exceedances
Timeline from Receipt of Tier Two Required Response/Action
Sampling Results
Continuously i. Document the exceedance and each required response/action in
the SWPPP in accordance with Part D-6 of the permit.
ii. Monitor all parameters monthly (qualitative and quantitative) at
appropriate outfall(s)
Within two weeks iii. Notify the Division's Raleigh Regional Office in writing of the
exceedance date and value.
iv. Conduct a stormwater management inspection.
v. Identify and evaluate possible causes of the benchmark
exceedance.
Within one month vi. Select specific, feasible courses of action to reduce
concentrations of the parameter(s) of concern including,but not
limited to, source controls, operational controls, or physical
improvements.
Page 17 of 37

Permit NCS000569
D-7. Tier Three Response: Four Benchmark Exceedances Within 5 Years
[40 CFR 122.416), 122.44(k); 15A NCAC 02H.0143(a)(22), (25)J
The outfall(s)will remain in Tier Three status until three (3) consecutive samples are under the
benchmark or are inside the benchmark range for all parameters.
(a) If any four(4) sampling results within a five (5)year period for any single parameter are above
the benchmark value at a sampled outfall, then the permittee shall respond in accordance with
Table 4 to identify and address the source of exceedances for that parameter at that outfall.
(b) The permittee shall prepare a written Action Plan and submit to the Division's Raleigh Regional
Office for review and approval within thirty (30) days of receipt of the fourth analytical
monitoring data point that exceeds the benchmark value. See Section G-1. (b) for reporting
requirements. At a minimum, the Action Plan shall include:
i. documentation of the four benchmark exceedances;
ii. an inspection report that covers the industrial activities within the drainage area of the
outfall with the exceedances (including the date of the inspection and the personnel
conducting the inspection);
iii. an evaluation of standard operating procedures and good housekeeping procedures;
iv. identification of the source(s) of exceedances;
V. specific actions that will be taken to remedy the identified source(s)with a schedule for
completing those actions; and
vi. a monitoring plan to verify that the Action Plan has addressed the source(s).
(c) The permittee shall keep the Action Plan in the SWPPP and document when each specific action
was carried out and by whom.
(d) The permittee shall contact the Division's Raleigh Regional Office when all actions in the Action
Plan are completed.
(e) The Division may,but is not limited to, require the permittee to:
i. Revise, increase, or decrease the monitoring and reporting frequency for some or all of
the parameters herein;
ii. Perform additional sampling or sample for substitute parameters;
iii. Install structural stormwater control measures;
iv. Implement other stormwater control measures;
V. Perform upstream and downstream monitoring to characterize impacts on receiving
waters;
vi. Implement site modifications to qualify for a No Exposure Exclusion; and/or
vii. Continue Tier Three obligations through the permit renewal process.
(f) The Tier Three response shall be in accordance with Table 4 below.
Page 18 of 37

Permit NCS000569
Table 4: Tier Three Res onse for Four Benchmark Exceedances Within Five Years
Timeline from Receipt of Tier Three Required Response/Action
Fourth Sampling Result
Continuously i. Document the exceedances and each required response/action
in the SWPPP in accordance with Part D-7 of the permit.
ii. Monitor all parameters monthly (qualitative and quantitative)
at appropriate outfall(s).
Within two weeks iii. Notify the Division's Raleigh Regional Office in writing of the
affected outfall, four exceedance dates and values.
iv. Conduct a stormwater management inspection.
v. Identify and evaluate possible causes of the benchmark
exceedance.
Within one month vi. Prepare an Action Plan and submit to the Division's Raleigh
Regional Office for review and approval.
Upon DEQ Approval vii.Implement the approved Action Plan.
Upon Completion of viii. Notify the Division's Raleigh Regional Office of Action
Approved Action Plan Plan completion.
Page 19 of 37

Permit NCS000569
PART E: SUBMITTAL OF DISCHARGE MONITORING REPORTS (DMRs)
E-1. Deadlines for Submittal of Discharge Monitoring Reports
[40 CFR 127.11(a); 15A NCAC 02H.0143(a)(48)J
Discharge Monitoring Reports (DMRs) shall be submitted no later than 30 days from the date the
facility receives all the sampling results. For permits issued between March 1-31, June 1-30, September
1-30 or December 1-31, sampling shall not commence until the next sampling period following initial
issuance of the permit.
E-2. Electronic Discharge Monitoring Reporting (eDMR) Process
[40 CFR 127.11; 15A NCAC 02H.0143(a)(48)
Unless otherwise informed by the Director, permittees shall register for eDMR within 30 days of the
permit issuance date. Permittees shall follow the guidelines for submitting data that are set forth in the
Stormwater eDMR User Manual, available on the Division's website at deq.nc.gov/SW-eDMR.
E-3. Occurrences of No Discharge
[40 CFR 122.41(l)(4), 122.44(i); 15A NCAC 02H.0143(a)(22), (25)J
If no discharge occurs during the sampling period, the permittee must record within 30 days of the end
of the sampling period in the facility's monitoring records in accordance with the guidelines for
submitting data that are set forth in the Stormwater eDMR User Manual, available on the Division's
website at deq.nc.gov/SW-eDMR.
E-4. Reports if More Frequent Monitoring Has Occurred
[40 CFR 122.41(l)(4)(i i); 15A NCAC 02H.0143(a)(22)J
If the permittee monitors any pollutant more frequently than required by this permit using test
procedures approved under 40 CFR Part 136 and at a sampling location specified in this permit, the
results of such monitoring shall be included in the data submitted on the DMR. However, for purposes
of benchmark comparison and Tiered response actions, the permittee shall use the analytical results from
the first sample with valid results within the monitoring period and submit it no later than 30 days from
that date the facility receives the sampling results.
E-5. Report if Begin Discharging to a New Stormwater Discharge Outfall
[I5A NCAC 02H.0114(a)]
The permittee shall submit a letter describing the modification and an updated site map to the Division
prior to discharging to a new SDO. Division approval must be granted in writing prior to discharging to
a new SDO.
E-6. Qualitative Monitoring Reports
[40 CFR 122.416); 15A NCAC 02H.0143(a)(22)J
The permittee shall record the required qualitative monitoring observations on the SDO Qualitative
Monitoring Report form provided by the Division at deq.nc.gov/SW-industrial and shall retain the
completed forms on site. Qualitative monitoring results shall not be submitted to the Division, except
upon the Division's specific requirement to do so. Qualitative Monitoring Report forms are available on
the Division's website.
E-7. Monitoring Report Retention
[40 CFR 122.416), (1); I5A NCAC 02H.0143(a)(22)J
Copies of the following reports shall be maintained on-site or be available electronically to the Division
upon request. These records or copies shall be maintained for a period of at least five (5) years from the
Page 20 of 37

Permit NCS000569
date of the sample, measurement, report,permit renewal, or permit application. This period may be
extended by request of the Director at any time.
(a) Calibration and maintenance records,
(b) Original strip chart recordings for continuous monitoring instrumentation,
(c) Discharge Monitoring Reports (DMRs) and eDMR or other electronic DMR report submissions,
(d) Visual monitoring records, and
(e) Copies of all data used to complete the permit application.
E-8. Waivers from Electronic Reporting
[40 CFR 127.15; 15A NCAC 02H.0143(a)(48)J
(a) If a permittee is unable to use the eDMR system due to a demonstrated hardship or due to the
facility being physically located in an area where less than 10 percent of the households have
broadband access, then a temporary waiver from the NPDES electronic reporting requirements
may be granted and discharge monitoring data may be submitted on paper DMR forms or
alternative forms approved by the Director. Duplicate signed copies shall be submitted to the
mailing address above. See"How to Request a Waiver from Electronic Reporting" section below.
(b) The permittee may seek a temporary electronic reporting waiver from the Division. To obtain an
electronic reporting waiver, a permittee must first submit an electronic reporting waiver request to
the Division. Requests for temporary electronic reporting waivers must be submitted in writing to
the Division for written approval at least sixty(60) days prior to the date the facility would be
required under this permit to begin submitting monitoring data and reports. The duration of a
temporary waiver shall not exceed five (5)years and shall thereupon expire. At such time,
monitoring data and reports shall be submitted electronically to the Division unless the permittee
re-applies for and is granted a new temporary electronic reporting waiver by the Division.
Approved electronic reporting waivers are not transferrable. Only permittees with an approved
reporting waiver request may submit monitoring data and reports on paper to the Division for the
period that the approved reporting waiver request is effective.
(c) Information on eDMR and the application for a temporary electronic reporting waiver are found
on the DEQ web page at deq.nc.gov/SW-eDMR.
Page 21 of 37

Permit NCS000569
PART F: OTHER OCCURRENCES THAT MUST BE REPORTED
After becoming aware of an occurrence that must be reported, the permittee shall contact the Division's
Raleigh Regional Office within the timeframes and in accordance with the other requirements listed in
Table 5 below. Occurrences outside normal business hours may also be reported to the Department's
Environmental Emergency Center personnel at(800) 858-0368.
The permittee shall report all instances of noncompliance not reported under 24-hour reporting at the
time monitoring reports are submitted. [40 CFR 122.41(l); 15A NCAC 02H.0143(a)(22)J
Table 5: Other Occurrences that Shall Be Reported
Occurrence Reporting Timeframes (After Discovery) and
Other Requirements
Visible Sedimentation in a stream or (a) Within 24 hours, an oral or electronic
wetland notification.
[40 CFR 122.41(1); 15,4 NCAC 02H (b) Within 7 calendar days, a report that contains a
.0143(a)(22)J description of the sedimentation event and
permittee actions taken to address it.
Oil spills if they are: (c) Within 24 hours, an oral or electronic
• 25 gallons or more, notification. The notification shall include
• less than 25 gallons but cannot be information about the date, time, nature, volume
cleaned up within 24 hours, and location of the spill or release.
• cause sheen on surface waters
(regardless of volume), or
• are within 100 feet of surface waters
(regardless of volume).
[NCGS 143-215.85]
Releases of hazardous substances in (d) Within 24 hours, an oral or electronic
excess of reportable quantities under notification. The notification shall include
Section 311 of the Clean Water Act or information about the date, time, nature, volume
Section 102 of CERCLA or G.S. 143- and location of the spill or release.
215.85
[NCGS 143-215.85; 40 CFR 110.3; 40
CFR 117.3; 40 CFR 302.4]
Noncompliance with the conditions of (e) Within 24 hours, an oral or electronic
this permit that may endanger health or notification.
the environment. (f) Within 7 calendar days, a report that contains a
[40 CFR 122.41(l)(7); 15,4 NCAC 02H description of the noncompliance, and its causes;
.0143(a)(22)J the period of noncompliance, including exact
dates and times, and if the noncompliance has not
been corrected, the anticipated time
noncompliance is expected to continue; and steps
taken or planned to reduce, eliminate, and prevent
reoccurrence of the noncompliance. [40 CFR
122.41(1)(6).
(g) Division staff may waive the requirement for a
written report on a case-by-case basis.
Page 22 of 37

Permit NCS000569
PART G: PERMIT ADMINISTRATION
G-1. Signatory Requirements
All applications, reports, or information submitted to the Director shall be signed and certified [40 CFR
122.41(k)].
(a) All permit applications shall be signed as follows:
i. For a corporation: by a responsible corporate officer. For the purpose of this Section, a
responsible corporate officer means: (a) a president, secretary, treasurer or vice president
of the corporation in charge of a principal business function, or any other person who
performs similar policy or decision making functions for the corporation, or(b)the
manager of one or more manufacturing,production, or operating facilities, provided, the
manager is authorized to make management decisions which govern the operation of the
regulated facility including having the explicit or implicit duty of making major capital
investment recommendations, and initiating and directing other comprehensive measures
to assure long term environmental compliance with environmental laws and regulations;
the manager can ensure that the necessary systems are established or actions taken to
gather complete and accurate information for permit application requirements; and where
authority to sign documents has been assigned or delegated to the manager in accordance
with corporate procedures.
ii. For a partnership or sole proprietorship: by a general partner or the proprietor,
respectively; or
iii. For a municipality, State, Federal, or other public agency: by either a principal executive
officer or ranking elected official.
[40 CFR 122.22; 40 CFR 122.41(k); 15A NCAC 02H.0143(a)(6), (22)J
(b) All reports required by the permit and other information requested by the Director shall be signed
by a person described in paragraph (a). above or by a duly authorized representative of that
person. A person is a duly authorized representative only if:
i. The authorization is made in writing by a person described above;
ii. The authorization specified either an individual or a position having responsibility for the
overall operation of the regulated facility or activity, such as the position of plant
manager, operator of a well or well field, superintendent, a position of equivalent
responsibility, or an individual or position having overall responsibility for environmental
matters for the company. (A duly authorized representative may thus be either a named
individual or any individual occupying a named position.); and
iii. The written authorization is submitted to the Director.
[40 CFR 122.22; 15A NCAC 02H.0143(a)(6)J
(c) Changes to authorization: If an authorization under paragraph (b) of this section is no longer
accurate because a different individual or position has responsibility for the overall operation of
the facility, a new authorization satisfying the requirements of paragraph (b) of this section must
be submitted to the Director prior to or together with any reports, information, or applications to
be signed by an authorized representative. [40 CFR 122.22; 15A NCAC 02H.0143(a)(6)J
(d) Certification. Any person signing a document under paragraphs (a) or(b) of this section, or
submitting an electronic report(e.g., eDMR), shall make the following certification [40 CFR
Page 23 of 37

Permit NCS000569
122.22; 15A NCAC 02H .0143(a)(6)]. NO OTHER STATEMENTS OF CERTIFICATION
WILL BE ACCEPTED.
"I certify, 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."
G-2. Permit Expiration
[40 CFR 122.21(d); 15A NCAC 02H.0143(a)(S)J
The permittee is not authorized to discharge after the expiration date. In order to receive automatic
authorization to discharge beyond the expiration date, the permittee shall submit forms and fees as are
required by the agency authorized to issue permits no later than 180 days prior to the expiration date,
unless permission for a later date has been granted by the Director. (The Director shall not grant
permission for applications to be submitted later than the expiration date of the existing permit). Any
permittee that has not requested renewal at least 180 days prior to expiration, or any permittee that does
not have a permit after the expiration and has not requested renewal at least 180 days prior to expiration,
will be subjected to enforcement procedures as provided in NCGS §143-215.36 and 33 USC 1251 et.
seq.
G-3. Planned Chances
[40 CFR 122.41(l); 40 CFR 122.42(a); 15A NCAC 02H.0143(a)(22), (23)J
The permittee shall give notice to the Director as soon as possible of any planned changes at the
permitted facility which could significantly alter the nature or quantity of pollutants discharged. This
notification requirement includes pollutants which are not specifically listed in the permit or subject to
notification requirements under 40 CFR Part 122.42(a).
G-4. Transfers
[NCGS 143-21 S.1(b)(4)(b)(2); 40 CFR 122.61(a); 40 CFR 122.41(l)(3); 15,4 NCAC 02H.0143(a)(22),
(31)J
This permit is not transferable to any person without prior written notice to and approval from the
Director in accordance with 40 CFR 122.61. The Director may condition approval in accordance with
NCGS 143-215.1, in particular NCGS 143-215.1(b)(4)b.2. and may require modification or revocation
and reissuance of the permit, or a minor modification, to identify the new permittee and incorporate such
other requirements as may be necessary under the CWA [40 CFR 122.41(1)(3), 122.61] or state statute.
G-5. Sale or Closure
[NCGS 143-215.1(b)(4)(b)(2); 40 CFR 122.61(a); 40 CFR 122.41(l)(3); 15A NCAC 02H.0143(a)(22),
(31)J
The Permittee is required to notify the Division in writing in the event the permitted facility is sold or
closed.
G-6. Permit Modification,Revocation and Reissuance, or Termination
[1 SA NCAC 02H.01121
The issuance of this permit does not prohibit the Director from reopening and modifying the permit,
revoking and reissuing the permit, or terminating the permit as allowed by the laws, rules, and
regulations contained in Title 40, Code of Federal Regulations, Parts 122 and 123; Title 15A of the
Page 24 of 37

Permit NCS000569
North Carolina Administrative Code, Subchapter 2H .0100; and North Carolina General Statute 143-
215.1 et al. After public notice and opportunity for a hearing, the permit may be terminated for cause.
The filing of a request for a permit modification, revocation and reissuance, or termination does not stay
any permit condition.
G-7. Anticipated Noncompliance
[40 CFR 122.41(l)(2); 1 SA NCAC 02H.0143(a)(22)
The permittee shall give advanced notice to the Director of any planned changes at the permitted facility
which may result in noncompliance with the permit.
G-8. Requirement to Report Incorrect Information
[40 CFR 122.41(l)(8); 1 SA NCAC 02H.0143(a)(22)]
Where the Permittee becomes aware that it failed to submit any relevant facts in a permit application
or submitted incorrect information in a permit application or in any report to the Director, it shall
promptly submit such facts or information.
G-9. Annual Administering and Compliance Monitoring Fee Requirements
[I5A NCAC 02H.0105(b)(2)J
The permittee must pay the administering and compliance monitoring fee within 30 (thirty) days after
being billed by the Division. Failure to pay the fee in timely manner in accordance with 15A NCAC
02H .0105(b)(2)may cause this Division to initiate action to revoke coverage under this permit.
G-10. Flow Measurements
[40 CFR 122.48; 15,4 NCAC 02B .0505; 15,4 NCAC 02H.0143(a)(29)J
Where required, appropriate flow measurement devices and methods consistent with accepted scientific
practices shall be selected and used to ensure the accuracy and reliability of measurements of the volume
of monitored discharges.
G-11. Test Procedures
[40 CFR 122.21 (e)(3); 40 CFR 122.41(i); I5A NCAC 02B .0505; I5A NCAC 02H.0143(a)(5), (22)J
Test procedures for the analysis of pollutants shall conform to the EMC regulations published pursuant
to NCGS 143-215.63 et. seq, the Water and Air Quality Reporting Acts, and to regulations published
pursuant to Section 304(g), 33 USC 1314, of the Federal Water Pollution Control Act, as Amended, and
Regulation 40 CFR 136.
To meet the intent of the monitoring required by this permit, all test procedures must produce minimum
detection and reporting levels and all data generated must be reported down to the minimum detection or
lower reporting level of the procedure.
If no approved methods are determined capable of achieving minimum detection and reporting levels
below the permit discharge requirements, then the most sensitive (method with the lowest possible
detection and reporting level) approved method must be used.
G-12. Representative Outfall
[40 CFR 122.41(e), 122.44(k); 15,4 NCAC 02H.0143(a)(22), (25)J
If a facility has multiple discharge locations with substantially identical stormwater discharges that are
required to be sampled, the permittee may petition the Director for representative outfall status. If it is
established that the stormwater discharges are substantially identical, and the permittee is granted
Page 25 of 37

Permit NCS000569
representative outfall status, then analytical sampling requirements may be performed at a reduced
number of outfalls.
G-13. Availability of Reports
[I SA NCAC 02H.01151
Except for data determined to be confidential under NCGS 143-215.3(a)(2) or Section 308 of the
Federal Act, 33 USC 1318, all reports prepared in accordance with the terms shall be available for
public inspection at the offices of the Division. As required by the Act, analytical data shall not be
considered confidential. Knowingly making any false statement on any such report may result in the
imposition of criminal penalties as provided for in NCGS 143-215.6B or in Section 309 of the Federal
Clean Water Act.
G-14. Permit Actions
[40 CFR 122.41(f); 15A NCAC 02H.0143(a)(22)
The permit may be modified, revoked and reissued, or terminated for cause. The notification of planned
changes or anticipated noncompliance does not stay any permit condition.
G-15. Recording Results
[40 CFR 122.416); 15A NCAC 02H.0143(a)(22)1
For each measurement or sample taken pursuant to the requirements of this permit, the permittee shall
record the following information:
(a) The date, exact place, and time of sampling or measurements;
(b) The individual(s) who performed the sampling or measurements;
(c) The date(s) analyses were performed;
(d) The individual(s) who performed the analyses;
(e) The analytical techniques or methods used; and
(f) The results of such analyses.
Page 26 of 37

Permit NCS000569
PART H: OPERATION AND MAINTENANCE of POLLUTION CONTROLS
H-1. Proper Operation and Maintenance
[40 CFR 122.41(e); 15A NCAC 02H.0143(a)(22)J
The permittee shall at all times:
(a) Properly operate and maintain all facilities and systems of treatment and control and related
appurtenances which are installed or used by the permittee to achieve compliance with the
conditions of this permit.
(b) Implement laboratory controls and quality assurance procedures for onsite labs and field
parameter testing.
(c) Operate back-up or auxiliary facilities or similar systems which are installed by a permittee only
when the operation is necessary to achieve compliance with the conditions of this permit.
H-2. Corrective Actions
[40 CFR 122.44(k); 15A NCAC 02H.0143(a)(25)J
The permittee shall take corrective actions if self-inspections required by this permit identify a need for
corrective actions, a facility fails to perform satisfactorily, or a facility creates nuisance conditions.
Corrective actions shall include, but not be limited to: maintenance, modifications, or additions to
existing control measures, the construction of additional or replacement treatment or disposal facilities,
or implementation of new BMPs. Corrective actions shall be completed as soon as possible considering
adverse weather and site conditions.
H-3. Draw Down of Treatment Facilities for Essential Maintenance
[40 CFR 122.44(k); 15A NCAC 02H.0143(a)(25)J
The permittee may draw down stormwater and wastewater treatment facilities if the drawdown is for
essential maintenance to assure efficient operation and one of the following conditions is met:
(a) Either treatment facilities shall be drawn down from the surface, or
(b) Analytical sampling data of the water stored in the treatment facility demonstrates that the
discharge will not exceed benchmarks or violate effluent limitations in this permit. The sampling
data shall be collected no more than 14 calendar days prior to the draw down.
H-4. Bypasses of Stormwater Control Facilities
[40 CFR 122.41(m), 122.44(k); 15A NCAC 02H.0143(a)(22), (25)J
Bypass is prohibited, and the Division may take enforcement action against a permittee for bypass
unless one of the following conditions are met:
(a) The bypass was unavoidable to prevent loss of life, personal injury or severe property damage;
(b) There were no feasible alternatives to the bypass, such as the use of auxiliary control facilities,
retention of stormwater, or maintenance during normal periods of equipment downtime or dry
weather. This condition is not satisfied if adequate backup controls should have been installed in
the exercise of reasonable engineering judgment to prevent a bypass which occurred during
normal periods of equipment downtime or preventive maintenance; and
(c) The permittee submitted notices and identified the reason(s) for the bypass as required under Part
H6 of this permit.
Page 27 of 37

Permit NCS000569
If the Director determines that it will meet the three conditions listed above, the Director may approve
an anticipated bypass after considering its adverse effects.
H-5. Upsets
[40 CFR 122.41(n), 122.44(k); 15A NCAC 02H.0143(a)(22), (25)J
Diversions of stormwater and wastewater from treatment facilities may be considered as an upset if the
permittee can demonstrate to the Director that all of the following conditions have been met. In any
enforcement proceeding, the permittee seeking to establish the occurrence of an upset has the burden of
proof.
(a) The permittee demonstrates that the upset was not caused by operational error, improperly
designed treatment or control facilities, lack of preventive maintenance, or careless or improper
operation.
(b) The permittee agrees to take remedial measures if necessary.
(c) The permittee submitted notice of the upset and identified the cause(s) of the upset as required
under part H6 of this permit.
H-6. Required Notice for Bypass or Upset
[40 CFR 122.41(m), 122.44(k); 15A NCAC 02H.0143(a)(22), (25)J
After a permittee becomes aware of an occurrence that must be reported, the permittee shall contact the
Division's Raleigh Regional Office within the timeframes and in accordance with the requirements
listed in Table 6 below. Occurrences outside normal business hours may also be reported to the
Department's Environmental Emergency Hotline at [phone].
Table 6: Bypass and Upset Re orting Requirements
Event
[40 CFR 122.41(m)(3)] Reporting Requirements
Anticipated Bypass Written report at least ten days prior to the anticipated bypass.
The written report shall include an evaluation of the anticipated
quantity, quality and effect of the bypass.
[40 CFR 122.41(m)(3)(i), 122.44(k); 15A NCAC 02H
.0143(a)(22), (25)J
Unanticipated Bypass or Oral or electronic notification within 24 hours of the event,
Upset and
Written report within 7 calendar days of the event. The written
report shall include an evaluation of the quantity, quality and
effect of the bypass.
[40 CFR 122.41(m)(3)(ii), 122.44(k); 15A NCAC 02H
.0143(a)(22), (25)J
H-7. SCM Clean-Out
[40 CFR 122.44(k); 15A NCAC 02H.0143(a)(25)J
SCMs must be cleaned out when sediment storage capacity equals or exceeds 50 percent of the design
sediment volume, or if visible sedimentation is leaving the property.
Page 28 of 37

Permit NCS000569
PART I: COMPLIANCE AND LIABILITY
I-1. Compliance Schedule
[40 CFR 122.41; ISA NCAC 02H.0143(a)(22)J
The permittee shall comply with Limitations and Controls specified for stormwater discharges in
accordance with the following schedule:
(a) Facilities applying for permit renewal: All requirements, conditions, limitations, and controls
contained in this permit(except new SWPPP elements in this permit renewal) shall become
effective immediately upon issuance of this permit. New elements of the Stormwater Pollution
Prevention Plan for this permit renewal shall be developed and implemented within 6 months of
the effective date of this permit and updated thereafter on an annual basis. Secondary
containment, as specified in B8 of this permit shall be accomplished prior to the beginning of
stormwater discharges from the operation of the industrial activity.
I-2. Duty to Comply
[40 CFR 122.41(a); 1 SA NCAC 02H.0143(a)(22)J
The permittee must comply with all conditions of this permit. Any permit noncompliance constitutes a
violation of the Clean Water Act (CWA) and is grounds for enforcement action; for permit termination,
revocation and reissuance, or modification; or denial of a permit upon renewal application. [40 CFR
122.41]
(a) The permittee shall comply with standards or prohibitions established under section 307(a) of the
CWA for toxic pollutants within the time provided in the regulations that establish these
standards or prohibitions, even if the permit has not yet been modified to incorporate the
requirement. [40 CFR 122.41]
(b) The CWA provides that any person who violates section[s] 301, 302, 306, 307, 308, 318 or 405
of the Act, or any permit condition or limitation implementing any such sections in a permit
issued under section 402, or any requirement imposed in a pretreatment program approved under
sections 402(a)(3) or 402(b)(8) of the Act, is subject to a civil penalty not to exceed $51,570 per
day for each violation. [33 USC 1319(d) and 40 CFR 122.41(a)(2)J
(c) The CWA provides that any person who negligently violates sections 301, 302, 306, 307, 308,
318, or 405 of the Act, or any condition or limitation implementing any of such sections in a
permit issued under section 402 of the Act, or any requirement imposed in a pretreatment
program approved under section 402(a)(3) or 402(b)(8) of the Act, is subject to criminal penalties
of$2,500 to $25,000 per day of violation, or imprisonment of not more than 1 year, or both. In
the case of a second or subsequent conviction for a negligent violation, a person shall be subject
to criminal penalties of not more than $50,000 per day of violation, or by imprisonment of not
more than 2 years, or both. [33 USC 1319(c)(1) and 40 CFR 122.41(a)(2)J
(d) Any person who knowingly violates such sections, or such conditions or limitations is subject to
criminal penalties of$5,000 to $50,000 per day of violation, or imprisonment for not more than 3
years, or both. In the case of a second or subsequent conviction for a knowing violation, a person
shall be subject to criminal penalties of not more than $100,000 per day of violation, or
imprisonment of not more than 6 years, or both. [33 USC 1319(c)(2) and 40 CFR 122.41(a)(2)J
Page 29 of 37

Permit NCS000569
(e) Any person who knowingly violates section 301, 302, 303, 306, 307, 308, 318 or 405 of the Act,
or any permit condition or limitation implementing any of such sections in a permit issued under
section 402 of the Act, and who knows at that time that he thereby places another person in
imminent danger of death or serious bodily injury, shall,upon conviction, be subject to a fine of
not more than $250,000 or imprisonment of not more than 15 years, or both. In the case of a
second or subsequent conviction for a knowing endangerment violation, a person shall be subject
to a fine of not more than $500,000 or by imprisonment of not more than 30 years, or both. An
organization, as defined in section 309(c)(3)(B)(iii) of the CWA, shall, upon conviction of
violating the imminent danger provision,be subject to a fine of not more than$1,000,000 and can
be fined up to $2,000,000 for second or subsequent convictions. [40 CFR 122.41(a)(2)J
(f) Under state law, a civil penalty of not more than $25,000 per violation may be assessed against
any person who violates or fails to act in accordance with the terms, conditions, or requirements
of a permit. [NCGS§143-215.6A]
(g) Any person may be assessed an administrative penalty by the Administrator for violating section
301, 302, 306, 307, 308, 318 or 405 of this Act, or any permit condition or limitation
implementing any of such sections in a permit issued under section 402 of this Act.
Administrative penalties for Class I violations are not to exceed $20,628 per violation, with the
maximum amount of any Class I penalty assessed not to exceed$51,570. Penalties for Class II
violations are not to exceed $20,628 per day for each day during which the violation continues,
with the maximum amount of any Class II penalty not to exceed$257,848. [33 USC 1319(g)(2)
and 40 CFR 122.41(a)(3)J
I-3. Duty to Mitigate
[40 CFR 122.41(d); 15A NCAC 02H.0143(a)(22)J
The permittee shall take all reasonable steps to minimize or prevent any discharge in violation of this
permit which has a reasonable likelihood of adversely affecting human health or the environment.
I-4. Civil and Criminal Liability
Except as provided in Part H-4 of this permit regarding bypassing of stormwater control facilities,
nothing in this permit shall be construed to relieve the permittee from any responsibilities, liabilities, or
penalties for noncompliance pursuant to NCGS 143-215.3, 143-215.6, or Section 309 of the Federal Act,
33 USC 1319. Furthermore, the permittee is responsible for consequential damages, such as fish kills,
even though the responsibility for effective compliance may be temporarily suspended.
I-5. Oil and Hazardous Substance Liability
Nothing in this permit shall be construed to preclude the institution of any legal action or relieve the
permittee from any responsibilities, liabilities, or penalties to which the permittee is or may be subject to
under NCGS 143-215.75 et seq. or Section 311 of the Federal Act, 33 USC 1321.
I-6. Property Rights
[40 CFR 122.41(g); 15A NCAC 02H.0143(a)(22)J
The issuance of this permit does not convey any property rights in either real or personal property, or
any exclusive privileges, nor does it authorize any injury to private property or any invasion of personal
rights, nor any infringement of federal, state or local laws or regulations.
Page 30 of 37

Permit NCS000569
I-7. Severability
The provisions of this permit are severable, and if any provision of this permit, or the application of any
provision of this permit to any circumstances, is held invalid, the application of such provision to other
circumstances, and the remainder of this permit, shall not be affected thereby [NCGS 15013-23].
I-8. Duty to Provide Information
[40 CFR 122.41(h); 15A NCAC 02H.0143(a)(22)J
The permittee shall furnish to the Director, within a reasonable time, any information which the Director
may request to determine whether cause exists for modifying, revoking and reissuing, or terminating the
permit issued pursuant to this permit or to determine compliance with this permit. The permittee shall
also furnish to the Director, upon request, copies of records required to be kept by this permit.
I-9. Penalties for Tampering
[40 CFR 122.41(a); 15A NCAC 02H.0143(a)(22)J
The Clean Water Act provides that any person who falsifies, tampers with, or knowingly renders
inaccurate, any monitoring device or method required to be maintained under this permit shall,upon
conviction, be punished by a fine of not more than $10,000 per violation, or by imprisonment for not
more than two years per violation, or by both. If a conviction of a person is for a violation committed
after a first conviction of such person under this paragraph, punishment is a fine of not more than
$20,000 per day of violation, or by imprisonment of not more than four years, or both.
I-10. Penalties for Falsification of Reports
[40 CFR 122.41(a); 15A NCAC 02H.0143(a)(22)J
The Clean Water Act provides that any person who knowingly makes any false statement,
representation, or certification in any record or other document submitted or required to be maintained
under this permit, including monitoring reports or reports of compliance or noncompliance shall, upon
conviction, be punished by a fine of not more than $10,000 per violation, or by imprisonment for not
more than six months per violation, or by both.
I-11. Onshore or Offshore Construction
This permit does not authorize or approve the construction of any onshore or offshore physical
structures or facilities or the undertaking of any work in any navigable waters.
I-12. Duty to Reapply
[40 CFR 122.41(b); 15A NCAC 02H.0143(a)(22)J
If the permittee wishes to continue an activity regulated by this permit after the expiration date of this
permit, the permittee must apply for and obtain a new permit.
I-13. Inspection and Entry
[40 CFR 122.41(i); 15A NCAC 02H.0143(a)(22)J
The permittee shall allow the Director, or an authorized representative (including an authorized
contractor acting as a representative of the Director), or in the case of a facility which discharges
through a municipal separate storm sewer system, an authorized representative of a municipal operator
or the separate storm sewer system receiving the discharge,upon the presentation of credentials and
other documents as may be required by law, to:
(a) Enter upon the permittee's premises where a regulated facility or activity is located or conducted,
or where records must be kept under the conditions of this permit;
Page 31 of 37

Permit NCS000569
(b) Have access to and copy, at reasonable times, any records that must be kept under the conditions
of this permit;
(c) Inspect at reasonable times any facilities, equipment(including monitoring and control
equipment),practices, or operations regulated or required under this permit; and
(d) Sample or monitor at reasonable times, for the purposes of assuring permit compliance or as
otherwise authorized by the Clean Water Act, any substances or parameters at any location.
I-14. Need to Halt or Reduce Not a Defense
[40 CFR 122.41(c); 15A NCAC 02H.0143(a)(22)J
It shall not be a defense for a permittee in an enforcement action that it would have been necessary to
halt or reduce the permitted activity in order to maintain compliance with the condition of this permit.
Page 32 of 37

Permit NCS000569
PART J: DEFINITIONS
Act
See Clean Water Act.
Adverse Weather
Adverse conditions are those that are dangerous or create inaccessibility for personnel, such as local
flooding, high winds, or electrical storms, or situations that otherwise make sampling impractical. When
adverse weather conditions prevent the collection of samples during the sample period, the permittee
must take a substitute sample or perform a visual assessment during the next qualifying storm event.
Documentation of an adverse event(with date, time and written narrative) and the rationale must be
included with SWPPP records. Adverse weather does not exempt the permittee from having to file a
monitoring report in accordance with the sampling schedule. Adverse events and failures to monitor
must also be explained and reported on the relevant DMR.
Allowable Non-Stormwater Discharges
This permit regulates stormwater discharges. However, non-stormwater discharges which shall be
allowed in the stormwater conveyance system include:
(a) All other discharges that are authorized by a non-stormwater NPDES permit;
(b) Uncontaminated groundwater, foundation drains, air-conditioner condensate without added
chemicals, springs, discharges of uncontaminated potable water, waterline and fire hydrant
flushings, water from footing drains, flows from riparian habitats and wetlands; and
(c) Discharges resulting from firefighting or fire-fighting training, or emergency shower or eye wash
as a result of use in the event of an emergency.
Best Management Practices (BMPs)
Measures or practices used to reduce the amount of pollution entering surface waters. BMPs may take
the form of a process, activity, or physical structure. More information on BMPs can be found on the
Environmental Protection Agency's website.
Bypass
A bypass is the known diversion of stormwater from any portion of a stormwater control facility
including the collection system, which is not a designed or established operating mode for the facility.
Bulk Storage of Liquid Materials
Liquid raw materials, intermediate products, manufactured products, waste materials, or by-products
with a single above ground storage container having a capacity of greater than 660 gallons or with
multiple above ground storage containers having a total combined storage capacity of greater than 1,320
gallons.
Clean Water Act
The Federal Water Pollution Control Act, also known as the Clean Water Act(CWA), as amended, 33
USC 1251, et. seq.
Division or DEMLR
The Division of Energy, Mineral, and Land Resources, Department of Environmental Quality.
Director
The Director of the Division of Energy, Mineral, and Land Resources, the permit issuing authority.
Page 33 of 37

Permit NCS000569
EMC
The North Carolina Environmental Management Commission.
Grab Sample
An individual sample collected instantaneously. Grab samples that will be analyzed(quantitatively or
qualitatively) must be taken within the first 30 minutes of discharge.
Hazardous Substance
Any substance designated under 40 CFR Part 116 pursuant to Section 311 of the Clean Water Act.
High Quality Waters (HQW)
Supplemental North Carolina water quality classification intended to protect waters which are rated
excellent based on biological and physical/chemical characteristics through Division monitoring or
special studies, or HQW by definition:
(a) Water Supply Watershed I (WS-I);
(b) Water Supply Watershed II (WS-II);
(c) SA waters (commercial shellfish);
(d) Outstanding Resource Waters (ORW);
(e) Primary Nursery Areas and other functional nursery areas designated by Marine Fisheries
Commission; or
(f) Waters for which the Division of Water Resources has received a petition for reclassification to
either WS-I or WS-II.
Impaired Waters
Streams, rivers and other bodies of water that do not meet water quality standards and may require
development of a Total Maximum Daily Load(TMDL)per Section 303(d) of the federal Clean Water
Act.
Landfill
A disposal facility or part of a disposal facility where waste is placed in or on land and which is not a
land treatment facility, a surface impoundment, an injection well, a hazardous waste long-term storage
facility or a surface storage facility.
Measurable Storm Event
A storm event that results in an actual discharge from the permitted site outfall. The previous
measurable storm event must have been at least 72 hours prior. The 72-hour storm interval may not
apply if the permittee is able to document that a shorter interval is representative for local storm events
during the sampling period and obtains approval from the local DEMLR Raleigh Regional Office. Two
copies of this information and a written request letter shall be sent to the local DEMLR Raleigh
Regional Office. After authorization by the DEMLR Raleigh Regional Office, a written approval letter
must be kept on site in the permittee's SWPPP.
Municipal Separate Storm Sewer System (MS4)
A stormwater collection system within an incorporated area of local self-government such as a city or
town.
Page 34 of 37

Permit NCS000569
No Exposure
A condition of no exposure means that all industrial materials and activities are protected by a storm-
resistant shelter or acceptable storage containers to prevent exposure to rain, snow, snowmelt, or runoff.
Industrial materials or activities include, but are not limited to, material handling equipment or activities,
industrial machinery, raw materials, intermediate products,by-products, final products, or waste
products [40 CFR 122.26 (b)(14)]. DEMLR may grant a No Exposure Exclusion from NPDES
Stormwater Permitting requirements only if a facility complies with the terms and conditions described
in 40 CFR §122.26(g).
Outstanding Resource Water(ORW)
Supplemental North Carolina water quality classification intended to protect unique and special waters
having excellent water quality and being of exceptional state or national, ecological or recreational
significance. To qualify, waters must be rated"excellent"by the NC Division of Water Resources, and
have one of the following outstanding resource values:
(a) Outstanding fish habitat and fisheries;
(b) Unusually high level of water-based recreation or potential for such kind of recreation;
(c) Some special designation such as N.C. Scenic/Natural River, or National Wildlife Refuge;
(d) Important component of state or national park or forest; or
(e) Special ecological or scientific significance (rare or endangered species habitat, research or
educational areas).
All ORWs are also considered High Quality Waters (HQW)by supplemental classification.
Permittee
The owner or operator issued this permit, who is the legally responsible party for compliance.
Point Source Discharge of Stormwater
Any discernible, confined and discrete conveyance including, but not specifically limited to, any pipe,
ditch, channel, tunnel, conduit, well, or discrete fissure from which stormwater is or may be discharged
to waters of the state.
Representative Outfall Status
When it is established that the discharge of stormwater runoff from a single outfall is representative of
the discharges at multiple outfalls, the Division may grant representative outfall status. Representative
outfall status allows the permittee to perform analytical monitoring at a reduced number of outfalls.
Secondary Containment
Spill containment for the contents of the single largest tank within the containment structure plus
sufficient freeboard to contain the 25-year, 24-hour storm event.
Section 313 Water Priority Chemical
A chemical or chemical category which:
(a) Is listed in 40 CFR 372.65 pursuant to Section 313 of Title III of the Superfund Amendments and
Reauthorization Act(SARA) of 1986, also titled the Emergency Planning and Community Right-
to-Know Act of 1986;
(b) Is present at or above threshold levels at a facility subject to SARA title III, Section 313 reporting
requirements; and
(c) Meets at least one of the following criteria:
Page 35 of 37

Permit NCS000569
1. Is listed in appendix D of 40 CFR part 122 on Table II (organic priority pollutants), Table III
(certain metals, cyanides, and phenols) or Table IV (certain toxic pollutants and hazardous
substances);
2. Is listed as a hazardous substance pursuant to section 311(b)(2)(A) of the CWA at 40 CFR
116.4; or
3. Is a pollutant for which EPA has published acute or chronic water quality criteria.
Severe Property Damage
Substantial physical damage to property, damage to the control facilities which causes them to become
inoperable, or substantial and permanent loss of natural resources which can reasonably be expected to
occur in the absence of a bypass. Severe property damage does not mean economic loss caused by
delays in production.
Significant Materials
Includes,but is not limited to: raw materials; fuels; materials such as solvents, detergents, and plastic
pellets; finished materials such as metallic products; raw materials used in food processing or
production; hazardous substances designated under section 101(14) of CERCLA; any chemical the
facility is required to report pursuant to section 313 of Title III of SARA; fertilizers; pesticides; and
waste products such as ashes, slag and sludge that have the potential to be released with stormwater
discharges.
Significant Spills
Includes,but is not limited to: releases of oil or hazardous substances in excess of reportable quantities
under section 311 of the Clean Water Act(Ref: 40 CFR 110.3and 40 CFR 117.3) or section 102 of
CERCLA(Ref: 40 CFR 302.4).
Stormwater Discharge Associated with Industrial Activity
This term is defined in 40 CFR 122.26(14).
Stormwater Control Measure (SCM)
A permanent structural device that is designed, constructed, and maintained to remove pollutants from
stormwater runoff by promoting settling or filtration or mimic the natural hydrologic cycle by promoting
infiltration, evapotranspiration,post-filtration discharge, reuse of stormwater, or a combination thereof.
Stormwater Control Systems
All systems at present at the facility used for the control and facilitation of stormwater, including but not
limited to, all drainage systems and all stormwater control measures and best management practices.
Stormwater Discharge Out all (SDO)
The point of departure of stormwater from a discernible, confined, or discrete conveyance, including but
not limited to, storm sewer pipes, drainage ditches, channels, spillways, or channelized collection areas,
from which stormwater flows directly or indirectly into waters of the State of North Carolina.
Stormwater Runoff
The flow of water which results from precipitation and which occurs immediately following rainfall or
as a result of snowmelt.
Page 36 of 37

Permit NCS000569
Stormwater Associated with Industrial Activity
The discharge from any point source which is used for collecting and conveying stormwater and which
is directly related to manufacturing,processing or raw material storage areas at an industrial site.
Facilities considered to be engaged in "industrial activities" include those activities defined in 40 CFR
122.26(b)(14). The term does not include discharges from facilities or activities excluded from the
NPDES program.
Stormwater Pollution Prevention Plan (SWPPP)
A comprehensive site-specific plan which details measures and practices to reduce stormwater pollution
and is based on an evaluation of the pollution potential of the site.
Total Maximum Daily Load(TMDL)
TMDLs are written plans for attaining and maintaining water quality standards, in all seasons, for a
specific water body and pollutant. A list of approved TMDLs for the state of North Carolina can be
found on the Division's website.
Toxic Pollutant
Any pollutant listed as toxic under Section 307(a)(1) of the Clean Water Act.
Trout Water(Tr)
Supplemental NC water quality classification intended to protect freshwaters for natural trout
propagation and survival of stocked trout on a year round basis. This is not the same as the NC Wildlife
Resources Commission's Designated Public Mountain Trout Waters.
Upset
An exceptional incident in which there is unintentional and temporary noncompliance with technology-
based permit effluent limitations because of factors beyond the reasonable control of the permittee. An
upset does not include noncompliance to the extent caused by operational error, improperly designed
treatment or control facilities, inadequate treatment or control facilities, lack of preventive maintenance,
or careless or improper operation.
Vehicle Maintenance Activity
Vehicle rehabilitation, mechanical repairs, painting, fueling, lubrication, vehicle cleaning operations, or
airport deicing operations. This definition includes equipment maintenance activity that uses hydraulic
oil and that is stored or used outside, or otherwise exposed to stormwater.
Visible Sedimentation
Solid particulate matter, both mineral and organic, that has been or is being transported by water, air,
gravity, or ice from its site of origin which can be seen with the unaided eye.
10-year, 24-hour Storm Event
The maximum 24-hour precipitation event expected to be equaled or exceeded, on the average, once in
10 years.
25-year, 24-hour Storm Event
The maximum 24-hour precipitation event expected to be equaled or exceeded, on the average, once in
25 years.
Page 37 of 37