NCS000608_New Permit Application_20220127

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40UPONT►
January 24, 2022
Ms. Brianna Young
North Carolina Department of Environmental Quality
Division of Energy, Mineral, and Land Resources
NPDES Stormwater Program
1612 Mail Service Center
Raleigh, NC 27699-1612
DuPont Kinston Plant
4693 Hwy. 11 North
Grifton, NC 28530
Re: DuPont Kinston NPDES Industrial Storm -water Permit Application
Dear Ms. Young,
The DuPont Kinston Site is a polytrimethylene terephthalate (PTT) manufacturing facility owned
and operated by DuPont Industrial Biosciences USA, LLC (DuPont). Stormwater discharges
from the Kinston Site are currently authorized under National Pollutant Discharge Elimination
System (NPDES) Industrial Wastewater Permit No. NC0003760 issued by the Division of Water
Resources (DWR) on December 12, 2018 and expiring on March 31, 2022. Pursuant to Permit
r- Proviso A.24. of the current permit, DuPont Kinston submitted a NPDES industrial stormwater
permit application package to the Division of Energy, Mineral, and Land Resources (DEMLR)
on October 1, 2021. The original hard copy application was sent via mail, and an electronic copy
was emailed to Ms. Suzanne McCoy and Ms. Bethany Georgoulias. DuPont Kinston was notified
by email on October 25, 2021 that the Stormwater Division was unable to locate the original
application submission. The Stormwater Division requested a resubmission with revisions to the
original application and the applicable new permit application fee. DuPont .Kinston understands
that the application will be processed as an application for a new individual stormwater permit
and not a stormwater permit renewal. DEMLR confirmed via email on January 21, 2022 that the
applicable application fee of $860 was received.
If there any questions, please feel free to contact me at [phone] or Shelby Arellano at
[phone].
Sincerely,
4 a. �-
Emily A. Price
Plant Manager
DuPont Kinston Site
DuPont lndustrialo Biosciences USA .LLC

4DUPONT►
DuPont Kinston Plant
4693 Hwy, I I North
Griffon, NC 28530
NPDES Industrial Stormwater
New Permit Application
DuPont Kinston Plant
DUPONT"
sorona®
DuPont Industrial Biosciences USA, LLC
January 24, 2022

TABLE OF CONTENTS
1. Introduction
2. Site Location
3. Manufacturing Process
4. Water Treatment Chemicals
S. Environmental Permits
b. RCRA Facility Investigation
7. Requested Permit Updates
8. Proposed Outfall Designations
9. Corrective Action Plan
10. Significant Changes in Industrial Activities
It. Best Management Practices
12. Analytical Monitoring Results
13. Visual Monitoring Results
Appendix A. Topographic Map
Appendix B. Site Drainage Maps
Appendix C. SWMU Location Map
Appendix D. Final RFI Channel Surface Water Sample Locations
Appendix E. Form 1
Appendix F. Form 2C
Appendix G. Renewal Application Form
DuPont Industrial Biosciences USA LLC

1. Introduction
DuPont Industrial Biosciences USA, LLC (DuPont) owns and operates the DuPont Kinston Site
for the production of Sorona® pellets. This permit application is for industrial stormwater
discharges from the Site.
2. Site Location
The DuPont Kinston Site is located at 4693 Highway I 1 North, Grifton, North Carolina, in
Lenoir County, approximately I I miles northeast of Kinston. Appendix A includes a topographic
map that shows the location of the site, the facility boundary, and the outfall locations.
The DuPont Kinston Site is composed of two general areas, the Manufacturing Area and the
South Disposal Area. The Manufacturing Area is located south of Beaverdam Branch, in the
north -central portion of the Site. The South Disposal Area is in the southern portion of the Site
and includes the wastewater treatment plant (WWTP). This area has been used historically for
waste management.
Effluent from the WWTP discharges to the Neuse River. All other discharges from the DuPont
Kinston Site are to Beaverdam Branch or wetlands adjacent to the Neuse River. The wetlands are
separated from the Neuse River by a natural riparian berm. Beaverdam Branch and the Neuse
River are designated as Class C, Nutrient Sensitive Waters (NSW) in the Neuse River Basin; in
addition, Beaverdam Branch has a supplemental classification as Swamp Waters (SW).l DuPont
Kinston maintains membership with the Lower Neuse Basin Association (LNBA) and the Neuse
River Compliance Association (NRCA).
3. Manufacturing Operations
Manufacturing operations at the DuPont Kinston Site began in 1953. Historical manufacturing
operations included the production of Dacron® (polyethylene terephthalate [PET]) polyester
resin and fibers. Dacron polyester was produced using either dimethyl terephthalate (DMT) and
ethylene glycol or terephthalic acid (TPA) and ethylene glycol.
Current manufacturing operations include the production of Sorona® (polytrimethylene
terephthalate [PTT]), a renewable bio-based polymer. The Sorona process uses purified TPA and
1,3-propanediol (PDO). Water, allyl alcohol, acrolein, and n-butanol are all byproducts of the
polymer production process. However, none of these are products for sale or for use in
production. All filament and fiber manufacturing lines have been discontinued at the DuPont
Kinston Site. Current manufacturing operations are covered by Standard industrial Classification
(SIC) Code 2821 — Plastics Materials, Synthetic Resins, and Nonvulcanizable Elastomers and
North American Industry Classification System (NAICS) Code 325211 — Plastics Material and
Resin Manufacturing.
The change in manufacturing operations resulted in several inactive or decommissioned
production areas. The DuPont Kinston Site has completed numerous D&R projects to
t Surface water classifications for Stream Index Nos. 27-75.7 and 27-83 from the Neuse River Basin Classification
Schedules.
DuPont Industrial Biosciences USA LLC

proactively safeguard against impacts to the surrounding environment from these areas. Several
decommissioned and abandoned in -place facilities have been completely removed down to the
concrete slab. D&R work at the DuPont Kinston Site will continue through 2021.
4. Water Treatment Chemicals
The following water treatment chemicals are used at the DuPont Kinston Site:
o ChemTreat CL6859
o ChemTreat CL4132
o ChemTreat CL41
o ChemTreat CL49
o ChemTreat CL6034
o ChemTreat BL1345
o ChemTreat BL 1253
o ChemTreat BL 1581
o ChemTreat P874L
o ChemTreat P846E
o Vitec 3000
o Liquid Caustic Soda 25%, Membrane Grade
o Sodium Hypochlorite Solution
o Sodium Bisuliite
DuPont Kinston will notify the Division in writing no later than ninety days prior to planned use
of any additional biocide which may be toxic to aquatic life.
5. Environmental Permits
The DuPont Kinston Site is currently operating under the following environmental permits:
o Synthetic Minor Operating Permit (Permit No. 03878R42) —This permit was issued for
the operation of air emissions sources located at the DuPont Kinston Site. This permit is
effective from August 20, 2021 to July 31, 2029.
o National Pollutant Discharge Elimination System (NPDES) Permit (Permit No.
NC0003760) -- This permit was issued for discharges of wastewater and stonnwater from
the DuPont Kinston Site. This permit is effective from December 12, 2018 to March 31,
2022.
o Central Coastal Plain Capacity Use Area (CCPCUA) Permit (Pen -nit No. CU3022) — This
permit is for groundwater withdrawal for the purpose of industrial use in the CCPCUA in
Lenoir County. This permit is effective from February 19, 2019 to September 30, 2023.
o Hazardous and Solid Waste Amendments (HSWA)-only Permit (EPA ID No.
NCD003190386) — This permit is for correction action under the Federal Resource
Conservation and Recovery Act (RCRA). This permit is effective from April 22, 2021 to
April 22, 2031.
DuPont Industrial Biosciences USA LLC 3

o Inactive Solid Waste Landfill Permit (Permit No. 54-04 ISWLF) —This permit is for the
closed construction and demolition (C&D) and industrial solid waste landfill located at
the DuPont Kinston Site. This permit is no longer active as the landfill was formally
closed (capped) in 2005.
o Inactive Solid Waste Transfer Facility Permit (Permit No. 44-07T) —This permit is for
the closed solid waste transfer station previously located at the DuPont Kinston Site. This
permit is no longer active as the transfer station was formally closed in 2009.
6. RCRA Facility Investigation
The DuPont Corporate Remediation Group (CRG) has been performing investigation activities at
the Site as part of a RCRA Corrective Action Program and in accordance with Dupont's HSWA-
only Permit. The overall goal of the RCRA Facility Investigation (RFI) was to characterize the
nature and extent of potential releases from Solid Waste Management Units (SWMUs) and
Areas of Concern (AOCs) at the DuPont Kinston Site and to identify corrective action objectives
that address the risks associated with complete and potentially -complete exposure pathways.
CRG is currently working with the Division of Waste Management (DWM) to receive approval
of the Final RFI Report.
Per discussions with DWM, additional surface water sampling events and an ecological
assessment for these onsite surface water drainage channels, Beaverdam Branch, and the Neuse
River were included in the Final RFI in order to more fully assess discharges of potentially
impacted groundwater to surface water. Drainage Channels 1, 2, 3, 4, 5, 6, 7, and 24 are man-
made ditches that receive surface water runoff and open into wetlands adjacent to the Neuse
River. The upstream reach of Channel 7 also collects leachate and impacted groundwater from
upgradient SWMUs, and this flow is continuously rerouted to the WWTP. Appendix .E contains
a map of the Final RFI Channel Surface Water Sample Locations. Results from the final RFI
include the following:
o Impacted groundwater from SWMUs/ADCs is entering channels that drain to wetlands
adjacent to the Neuse River. Discharges are intermittent as flow in these channels is
dependent on rain events.
o There was no evidence of adverse ecological effects due to potential Site -related
constituent concentrations in the Neuse River or Beaverdam Branch.
o The total calculated concentrations in the Neuse River were all less than the associated
screening levels indicating that current groundwater and drainage channel surface water
conditions are protective of the Neuse River.
o The only potentially complete exposure pathway for contaminants from SWMUs/AOCs
to reach Beaverdam Branch is via groundwater. Groundwater does not reach the surface
in any of the outfalls discharging to Beaverdam Branch.
DuPont Industrial Diosciences USA LLC

o No water quality concerns were identified for sediment or surface water in Beaverdam
Branch.
o As a part of the CMS, CRG is recommending drainage channel surface water monitoring
to ensure conditions remain protective of the Beaverdam Branch, the Neuse River, and
the surrounding wetlands.
7. Requested Permit Updates
As a part of this permit renewal application, DuPont Kinston is proposing several permit
modifications to ensure all discharges of potentially impacted groundwater and all discharges of
stormwater associated with industrial activity are being sufficiently monitored.
Although the Final RFI Report concludes that current conditions are protective of surface
waters, data obtained during the RCRA investigations indicates that discharges of
leachate, impacted groundwater, and stonnwater runoff are comingled in the surface
water drainage channels. Therefore, DuPont Kinston .is requesting to add impacted
groundwater as a permitted wastewater discharge from the applicable outfalls. Impacted
groundwater includes any potential leachate from the SWMUs.
2. DuPont Kinston is requesting to add five new wastewater outfalls (Outfalls 008, 009,
010, 011, and 012) for intermittent discharges of impacted groundwater and stormwater
runoff from Channels I, 2, 3, 4, and 6 to the wetlands adjacent to the Neuse River.
3. DuPont Kinston is requesting to include impacted groundwater as an intermittent
discharge from Outfalls 005 and 006. Outfalls 005 and 006 are no longer deemed to be
stormwater only outfalls.
4. DuPont Kinston is requesting semi-annual grab samples for the monitoring of discharge
characteristics at Outfalls 005, 006, 008, 009, 0.10, 011, and 012. Although these are
permitted as wastewater outfalls, sampling of these outfalls will need to be managed
similarly to stormwater sampling. Discharges from these outfalls are composed of
stormwater runoff and impacted groundwater; therefore, discharges are intermittent and
heavily dependent on rain events. In addition, these outfalls can be dry for extended
periods of time.
5. DuPont Kinston is requesting to remove non -contact cooling water from Outfall 002 as
the powerhouse cooling tower and water cooled Freon units were removed and replaced
with air cooled chillers. All cooling water from the Factory Engine Room Cooling Tower
and the 3G4 Cooling Tower is sent to the process sewer. In addition, DuPont Kinston is
requesting to add fire protection water and impacted groundwater as intermittent
discharges from Outfall 002.
6. DuPont Kinston is requesting to move the currently permitted Outfall 002 back to the
previously permitted location. The current location is in a canal that also collects surface
DuPont Industrial Biosciences USA LLC

runoff from the adjoining farmland. In addition, the current location presents hazardous
sampling conditions due to extensive washout. Pursuant to the permit modification
application submitted on November 9, 2005, Outfall 002 was relocated to the
downstream location in order to incorporate additional stormwater runoff from the C&D
and Ash landfills that enter the canal from Channels 4 and 6. As previously stated,
DuPont Kinston is requesting to add 2 new outfalls for Channels 4 and 6 (Outfalls 011
and 012). The currently permitted Outfall 002 will be broken down into 3 individual
outfalls. The revised outfall designations provide safe and accessible sampling points that
are more representative of the discharges from the DuPont Kinston Site.
7. DuPont Kinston is requesting to maintain approval for constant time 1 constant volume
composite sampling for Outfall 002.
8. DuPont Kinston is requesting to revise the receiving water designated for Outfalls 002,
005, and 006. Upon further review of surface water hydrology at the DuPont Kinston
Site, it was determined that Outfalls 002, 005, and 006 are man-made ditches that
ultimately discharge to wetlands adjacent to the Neuse River. These outfalls do not
discharge directly to the Neuse River as a natural berm separates the wetlands from the
river.
9. DuPont Kinston is requesting to add one new stormwater outfall (Outfall 007). Upon
further review of engineering drawings, it was determined that stormwater from industrial
activity potentially discharges from this outfall to a man-made ditch to Beaverdam
Branch.
10. DuPont Kinston is requesting to remove Outfall 003 as a permitted outfall. All steam
condensate discharges have been removed or rerouted to Outfall 002, and all stormwater
discharges from this outfall no longer meet the definition of stormwater associated with
industrial activity. The only discharges from this outfall are stormwater runoff from an
administrative building and the accompanying parking lot, uncontaminated air
conditioning condensate, and stormwater runoff from D&R areas where significant
materials no longer remain. Although DuPont is not required to monitor stormwater
outfalls that are not associated with industrial activity, DuPont will include these outfalls
in the Kinston Site's SWPPP.
11. In addition to the requested permit updates, DuPont Kinston is providing revised flowrate
information for discharges from Outfall 001 and Outfall 002.
8. Proposed Outfall Designations
NPDES Wastewater Permit Outfalls
Outfall 001: Treated Wastewater (Sanitary Wastewater, Process Wastewater, Non -Contact
Cooling Water, Boiler Blowdown, Groundwater, and Stormwater)
DuPont Industrial $iosciences USA LLC

Outfall 002: Steam Condensate, Fire Protection Water, Groundwater, and Stormwater
Outfall 005: Stormwater and Groundwater
Outfall 006: Stormwater and Groundwater
Outfall 008: Stormwater and Groundwater
Outfall 009: Stormwater and Groundwater
Outfall 010: Stormwater and Groundwater
Outfall 01 1: Stormwater and Groundwater
NPDES Stormwater Permit Outfalls
Outfall 004: Stormwater Only
Outfal1 007: Stormwater Only
9. Corrective Action Plan
The current NPDES permit includes future numerical metals limits for Outfalls 002 and 003 with
an effective date of April 1, 2022. DuPont Kinston developed a Corrective Action Plan (CAP)
that summarizes actions to be taken to achieve compliance for the new total zinc and total lead
limits at Outfall 002 and the new total copper, total lead, total silver, and total zinc limits at
Outfall 003.
Outfall 002
The DuPont Kinston Site has demonstrated compliance with the new total zinc limit at Outfall
002 since the effective date of the current NPDES permit. However, data indicates the potential
for Outfall 002 to periodically exceed the new total lead limit. Based on the investigative
sampling performed in 2017, 2018, and 2019, process wastewaters contributing to Outfall 002
are not a significant source of lead. RCRA investigations indicated that impacted groundwater
from SWMUs is discharging to Channel 4, Channel 6, and Outfall 002. Additional time is
required to further investigate metals concentrations from the discharges of impacted
groundwater. It is possible that the surface runoff from the adjoining farmland is the source of
lead. The revised outfall designations will provide more representative sample data.
Additional considerations need to be given to the CAP and the schedule of compliance for
Outfall 002 based on the revised outfall designations and discharge information. As such,
DuPont Kinston is requesting a two-year extension to the effective date of the new metal limits
to Outfall 002. A revised CAP will be submitted in an application addendum by December 31,
2021 with the sample results.
Outfall 003
DuPont initially proposed relocating the monitoring point for Outfall 003 as part of the CAP.
However, D&R activities from 2017 to 2021 have completely removed the sources of
stormwater from industrial activity. In addition to the D&R work, all steam condensate lines
have been removed or rerouted. As previously stated, the only remaining discharges from Outfall
003 are stormwater runoff from an administrative building and the accompanying parking lot,
uncontaminated air conditioning condensate, and stormwater runoff from D&R areas where
significant materials no longer remain. Although Outfall 003 is currently subject to a compliance
schedule, the substantial alterations associated with discharges to this outfall justify removal of
this outfall from the permit. Sample data results clearly demonstrate the decrease in metal
DuPont Industrial Biosciences USA LLC

concentrations. DuPont Kinston has showed continued compliance with the new metal limits
over the past two years.
10. Significant Changes in Industrial Activities
Provided below is a summary of the changes in industrial activity since the last NPDES permit
renewal.
o The DuPont Kinston Site has stopped using DMT, which produced methanol as a
byproduct. TPA and PDO are the primary ingredients on all Sorona® production lines.
The esterifrcation and the polycondensation reactions are catalyzed with an organic
titanate, and titanium dioxide (TiO2) is an additive that can be used. Water, allyl alcohol,
acrolein, and n-butanol are all byproducts of the polymer production process.
o A third production line (3G4) was added to increase production capacity using the same
primary ingredients as the first two production lines (3G2 and 3G3). The 304 cooling
towers were brought online with the addition of this production line. No new process
chemicals have been added to the production areas. The permitted production capacities
are as follows:
0 3G2 Production Line— 3,400 lb. pellets/hr
0 3G3 Production Line — 18,000 lb. pelletslhr
0 3G4 Production Line—16,000 lb. pellets /hr
o Two new double -walled fuel tanks (one gasoline tank and one diesel tank) were installed
to replace five single -walled fuel tanks (two gasoline tanks, two diesel tanks, and one
kerosene tank) and its secondary containment.
o The secondary fire pump was replaced in 2017.
o A new LPG/natural gas -fire emergency generator was installed in 2020 solely for backup
power for the fire protection system jockey pumps.
o The powerhouse cooling tower and water cooled Freon units were removed and replaced
with air cooled chillers in 2020.
o Piedmont Natural Gas is currently constructing anew natural gas line to replace the
existing natural gas supply lines to the DuPont Kinston Site.
o D&R work at the DuPont Kinston Site will continue into 2022. The removal of
warehouses, production lines, tanks, cooling towers, and the entire Research Lab
Complex have significantly improved our environmental footprint by eliminating the
potential for exposure due to deteriorating unused facilities.
DuPont Industrial .Biosciences USA LLC

11. Best Management Practices
The DuPont Kinston Site utilizes various best management practices (BMPs) to prevent or
minimize exposure of significant materials to stormwater. The following sections provide a
summary of the BMPs utilized at the DuPont Kinston Site.
Good Housekeeping
Good housekeeping practices help to reduce the possibility of pollutants impacting the
environment. Good housekeeping practices employed at the Site include:
o Chemicals are stored in an orderly manner;
o Chemicals are stored consistently (i.e., like chemicals are stored in the same location each
time they are delivered to the site);
o Small spills, when they occur, are promptly addressed;
o Refuse from the site is stored in dumpsters;
o Refuse is collected and disposed at regular intervals and is scheduled frequently to avoid
over -filling the dumpsters; and
o Equipment maintenance activities are performed on a regular basis.
Preventative Maintenance
Preventative maintenance activities can be effective at reducing the possibility of pollutants
impacting the environment. Preventative maintenance activities performed at the Site include:
o Facility equipment is properly maintained; and
o Chemical storage locations, equipment, and process tanks at the Facility are inspected on
a regular basis to identify conditions that could result in an impact to the environment.
Response Reporting Procedures and Contingency Plan
Rapid response and mitigation of a release can be an effective BMP. To assist this effort, the Site
has prepared and implemented response procedures.
Spill Equipment
Total spill equipment inventory was increased to help contain accidental spills at the Site. Spill
kits are located near finished product shipping, raw material receiving, off -spec product shipping
stations, and cooling tower chemical storage. Bulk liquid transfer stations associated with the
aboveground storage tanks and process storage tanks are similarly equipped with spill kits as
well as block mats.
Secondary Containment
Secondary containment dikes are provided to tanks and areas where the highest risk of release is
present, even when that risk is indoors. Secondary containment pallets are provided for all drums
containing greater than or equal to 55 gallons of significant materials to help prevent these
materials from being conveyed to the storm drainage system during an accidental release during
storage and transport. This includes materials such as boiler- and cooling tower chemicals, waste
oil, lubricants, and cleaners stored on -site. Secondary containment contains the volume of the
DuPont Industrial Biosciences USA LLC

largest container plus enough freeboard for the 24-hour/25-yr storm event (7.48 inches). Drip
pans are used when filling equipment to prevent minor release of chemicals stored on Site.
Vehicle and Forklift Maintenance
Vehicle maintenance activities related to over -the -road trucks are performed at the Truck Shop
designed to mitigate releases. Forklift maintenance activities involving fluid transfers occur
indoors.
Loading and Unloading Operations
Specific procedures for loading and unloading operations were developed to minimize
significant exposure of materials to stormwater. These procedures include the following:
o All fuel and bulk liquid transfer operations are required to be operator attended;
o A member of operations will be present during the initial hookup and perform startup
verification during bulk liquid, raw material, and significant material transfers; and
ZP
o Wheel blocks and/or emergency brakes will be utilized during loading / unloading
operations.
Inspections
Inspections help to identify potential problems before they occur and help to prevent problems
that do occur from impacting the environment. DuPont Kinston conducts routine inspections on
s the following equipment: containment areas, drip boxes, process tanks, storage tanks, spill kit
contents, waste storage areas, sumps, and catch basins. DuPont Kinston conducts monthly
inspections of oil -containing equipment in accordance with the Spill Prevention, Control, and
Countermeasure (SPCC) Plan.
Training
Employee training is provided for release prevention, release reporting, release response
procedures, review of the Stormwater Pollution Prevention Plan (SWPPP), review of BMPs,
identification of potential sources of stormwater pollution, and proper use of spill kits.
Recordkeeping and Internal Communication
Good recordkeeping procedures and internal communication are employed by DuPont to ensure
that potential and actual problems do not go unnoticed. DuPont .Kinston also maintains Safety
Data Sheets (SDS) for the chemicals purchased/used at the Site. Maintaining up-to-date SDS is a
recordkeeping procedure that helps identify chemicals that could impact stormwater and assists
with determining appropriate storage conditions.
Security
By restricting access to authorized personnel, the possibility of an accidental or intentional
release occurring is greatly reduced. A chain link fence surrounds accessible portions of the Site.
Guards are on duty 24 hours a day and conduct plant security and surveillance. In addition, the
plant entrances are continually manned by Site security. Only authorized personnel are allowed
entry to the Site.
DuPont Industrial Diosciences USA LLC 10

DuPont employs an extensive array of vegetative filter strips, swales, rip -rap, and buffer zones
along the perimeter of the manufacturing area to reduce surface water runoff and potential
pollutants from entering surface waters at the site. In addition, large areas of forestation and
vegetation are maintained on undeveloped portions of the site to further reduce the potential for
silt and sediment discharge to the various ditch -lines and culverts.
Location -Specific BMPs
DuPont Kinston employs the following BMPs at specific outfalls at the Site:
o Outfall 002 is equipped with an earthen dike containment basin with valves in case of
spills in the drainage area.
o The duck pond located at Outfall 003 was originally part of the Wildlife Habitat Program
in the late 1980's. Although the duck pond does not meet current design criteria for
stormwater control measures, the pond does facilitate sedimentation.
o Per recommendation from D W R, a grassed swale was installed for Outfall 004 in 2013.
The grassed Swale was designed in accordance with the minimum design criteria for
stormwater control measures.
o A synthetic and concrete lined settling basin is employed on a sloped embankment just
north of the truck gate at the entrance to the facility. This serves to control erosion and to
minimize the potential for off -site releases of sediment. Runoff from this area drains
towards Outfall 007.
o The Outfall 006 channel is a designated SWMU under the RCRA Corrective Action
Program. The channel is currently dammed at the WWTP, and water collected behind the
damn is continuously pumped to the WWTP. The diversion structure was installed as a
proactive measure during the RFI work. Although the diversion structure was not
installed to meet the minimum design criteria for stormwater control measures, it does
greatly reduce water pollution.
o The DuPont Kinston Site operates collection systems for surface water runoff, impacted
groundwater, and leachate from SWMUs. These discharges are collected in concrete
sumps and pumped to the WWTP. The collections systems are monitored as part of the
RCRA Corrective Action Program, in accordance with DuPont Kinston's HSWA-only
permit. Although the collection systems were not installed to meet the minimum design
criteria for stormwater control measures, they greatly reduce water pollution.
DuPont industrial Diosciences USA LLC

12. Analytical Monitoring Results
Table 1 provides a summary of the analytical monitoring results for the currently permitted
stormwater outfalls, Outfalls 004, 005, and 006. Please note that the samples for Outfall 004
were historically collected from the catch basin located inside the fence line at the end of the
bioswale. Moving forward samples for Outfall 004 will be collected from the catch basin located
outside the fence line at the coordinates provided in this application.
Table 1. Analytical Monitoring Results
I161Fa11
'.flats
pH.
Isar
131ii):
69: 1L)
T55
Im91L)
Total l�
(m91Lr
rolei
[mg1L)
CIlF)
[mg1L)
FwrnaEde6gde
Img1L)
FIO=&NO=
(a«jlU .
To al KdEL
arr 9IL1
O'il-GitSE
rrnglL)
Rainfall
Gn) -
'2loa
: ruglu
ldRercurp
(ng1L)
n-Cresol
004
12120110
6.93
<2
<4,17
-
<10
-
0.53
<1
<5
0.85
41
-
004
W tl2113
7. W
2.3
73
-
-
<10
-
0.36
137
< 5
0.75
< 5
-
-
004
IM7119
7.11
201
<4.17
-
-
314
-
0.26
<1
<5
0.55
17
-
-
004
06115120
7.05
2
8.4
-
-
12
-
1.26
24
<4.65
0.3
<20
-
-
004
VJ14120
7.06
233
8.5
-
-
46.5
-
0.23
< 1
< 4.85
0.75
8
-
-
004
f14107121
-
-
-
0.75
-
-
-
-
-
-
-
-
-
-
004
06107121
7.11
4.13
< 6.25
-
-
23.2
-
< 1
< 1
< 5
0.75
< 20
-
-
004
07127121
-
-
-
-
-
-
-
-
-
-
-
208
-
005
12120M
6.92
<2
<4.17
-
-
<10
-
0.65
1.4
<5
0.85
-
-
-
005
06112113
7.03
3.76
117
-
-
50
-
0.47
213
< 5
0.75
-
-
-
005
12F17119
7.01
246
5.7
-
-
40.4
-
0.25
146
< 5
0.55
-
-
-
005
o6115R0
7.04
269
1t9
-
-
36
-
<15
<1
<4.65
0.9
-
-
-
005
12114120
7,03
6.83
13.6
-
-
< 10
-
0.27
< 1
< 4.93
0.75
-
-
-
005
G4107121
-
-
-
0.13
-
-
-
-
-
-
-
-
-
-
005
0RE021
7.03
4
5.8
-
-
Z6.Z
-
< 1
< 1
< 5
0.75
-
-
-
W5
071271Z1
-
-
-
-
-
-
-
-
-
-
-
-
3.13
-
006
MOM
833
<2
<4,17
1.5
<0.01
15,7
<0.125
0.54
4.2
<5
0.85
-
-
-
OW
W 12119
M
15,8
15.2
V1
<0.01
24.2
<C1125
0.52
12
<5
0.75
-
-
15.1
we
12117119
6.94
28.4
10
0.93
<11.01
64.4
<0.05
0.17
<1
<5
0.55
-
-
-
006
O6f15120
7.D1
al
1&7
0.33
<0.01
49
217
C15
224
C4.85
0.9
-
-
-
006
12114120
6.33
8.8
127
16
<0.01
35.4
<0.019
0.64
3.88
4.3
<3
0.75
-
-
-
W6
06f0MI
7.01
7.28
6.2
14
<0.01
26.2
<0,06
<1
3.3
<5
0.75
-
-
-
W6
07127121
-
-
-
-
-
-
-
-
-
-
-
-
124
-
DuPont Industrial Biosciences USA LLC
12

13.Visual Monitoring Results
Table 2 provides a summary of the visual monitoring results for the currently permitted
stonnwater outfalls, Outfalls 004, 005, and 006. In addition, a qualitative monitoring report was
completely for the new stormwater outfall, Outfall 007. Please note that visual monitoring of
Outfall 004 was Historically conducted at the catch basin located inside the fence line at the end
of the bioswale. Moving forward visual monitoring for Outfall 004 will be conducted at the catch
basin located outside the fence line at the coordinates provided in this application.
Table 2. Visual Monitoring Results
Outiall
Date
Color
Odor
t
Clarity
Floating
i
Solids
Suspended
s
Solids
Foam
Oil Sheen
Deposition
atOutfall
Rrosion at
Outfall
Comments
004
05/03/16
Very Light Brown
None
2
2
2
No
No
No
No
004
07/20/16
Clear
None
I
I
1
No
No
No
No
004
12112/16
Light Brown
None
2
t
2
No
No
No
No
004
05/23/17
Very Light Brown
None
2
I
2
No
No
No
No
004
10/09/17
light Brown
None
5
2
5
No
No
No
No
Heavy rainfall,2.7inches
004
05/28/18
Very Light Brown
None
I
I
I
No
No
No
No
004
12/20/18
Light Brown
None
1
1
1
No
No
No
No
004
06/12/19
Light Brown
None
1
1
1
No
No
No
No
004
12/17/19
Light Brown
None
1
I
2
No
No
No
No
004
06/15/20
Light Brown
None
2
t
t
No
No
No
No
004
VJ W20
Very Ligltt Brawn
None
2
1
2
No
No
No
No
005
05103/16
Clear
Woodsey
1
2
I
No
No
No
No
005
07/20116
Clear
None
1
2
1
No
No
No
No
Leaves and woods debris
005
12/12/16
Light Brown
Earthy
2
2
2
No
No
No
No
Woods debris
005
05/23/17
MediunnBromi
Earthy
1 4
2
4
No
No
No
No
Leafhtterfrom woods.
005
10109117
Light Brown
None
3
2
3
No
No
No
No
Wooded area -detritus from
woods eresent in flaw
005
05128/18
Light Brown
Earthy
2
2
2
No
No
No
No
W5
12/20118
light Brown
Woodsey
2
2
2
No
No
No
No
005
06/12/19
Light Brown
None
1
2
1
No
No
No
No
005
12117/19
Light Brown
Earthy
2
3
2
No
No
No
No
Floating solids were leaves
and woods debris
005
06/15120
Light Brown
None
2
2
2
No
No
No
Nu
005
12114120
Light Brown
Earthy
3
3
3
No
No
No
No
006
03/03116
light Brown
Woodsey
2
3
2
No
No
No
No
Floating leaves and woods
debris
006
07/20/16
Clear
Woadsey
1
2
l
No
No
No
No
Sonlesediment front
washout further tip ditch
006
12/12/16
Light Bro%im
Earthy
3
3
4
No
No
No
No
Woods debris
006
05/23/17
Light Brown
Earthy
2
2
2
No
No
No
No
006
10/09/17
Medium Brown
Earthy
5
3
5
No
No
No
No
Mediumamouni ofleaflitter
fromtwods
006
05/28/18
LightBrown
Earthy
2
3
2
No
No
No
No
006
12/20/18
LightBrocvn
Earthy
2
2
2
No
No
No
No
006
06/12/19
Light Brown
Earthy
2
2
2
No
No
No
No
006
1J17119
MediumBrowu
Earthy
3
3
3
No
No
No
No
006
06/15/20
Light Brown
Earthy
2
2
2
No
No
No
No
006
12/14/20
LightBrown
Earthy
2
2
2
No
No
No
No
007
9123/20211
Clear
None
I
I
I
No
No
No
No
1. Clarity of the discharge is on a scale of l (clear) to 10 (verycloudy).
2. Floating solids in the disehar is on a scale of I (none) to 10 (surface is covered).
3. Suspended solids in the discharge is on a scale of I (none) to 10 (extremely muddy).
DuPont Industrial Biosciences USA LLC
13

APPENDIX A. TOPOGRAPHIC MAP
DuPont Industrial Biosciences USA LLC

SALE-. f 4&000
l:
ac�Iftj Boundary
5� -
Downstream
4 -
-- 4'G, - -
V - I.
_ Upstream _ - _ _ _ ' r
xs,
- ��� l ! µ
_ _ r c /ram _.7
12
Coordinate System: GCS North' American 1983ef i r
Datum: North American 1983'
Units: Degree ! Copyright:0 2013 Natiorlai Ge09iapic{Society, i-cubed
dL {•
Map Number
Name
Latitude
Longitude
1
DuPont Kinston WWTP
35- 19' 30.000" N
77° 28' 13.700" W
2
WW Outfall 001
35° 19' 28.400" N
77° 27' 57.600" W
3
WW Outfall 002
35" 19' 34.971" N
77" 28' 50.310" W
4
SW OutfaI1004
35` 20' 6,900" N
77' 28' 31,000" W
5
WW Outfa11 005
35' 19' 39.920" N
77' 28' 4.900" W
6
WW Outfall 006
35' 19' 20.400" N
77° 28' 10.600" W
7
SW Outfal1007
35° 19' 51.000" N
77' 29' 2.000" W
8
WW Outfall 008
35" 19' 14.855" N
77" 28' 38.975" W
9
WW 0utfa11 009
35" 19' 14.902" N
77" 28' 28.463" W
10
WW Outfal1O10
35° 19' 16.914" N
77° 28' 23.200" W
11
WW Outfall Oil
35' 19' 16.667" N
77' 28' 47.694" W
12
WW 0utfa11 012
35° 19' 29.251" N
77' 28' 41.730" W
13
Well 7
35' 19' 55.200" N
77° 28' 20.464" W
14
Well 8
35" 19' 46.412" N
77° 28' 37.200" W
15
Well 9
35" 19' 37.200" N
77" 28' 31.404" W
16
Well 10
35' 19' 48,000" N
77' 28' 31.404" W
17
Well 14
35° 19' 45.430" N
77° 28' 58.958" W
Facility Location
USGS Quad: Griften, N.C.
Receiving Streams:
- Beaverdam Branch, Class C, NSW, Sw
- Neuse River and Adjacent Wetlands, Class C, NSW
NC0003760 - Dupont Kinston,
Lenoir County
Notes:
1. Currently permitted sampling location for Outfall 002: 35'1914.9"N, 77°28'49,3"W
2. Outtal1 003 was removed due to no industrial exposure.
3- SW = Stormwater, WW = Wastewater

APPENDIX B. SITE DRAINAGE MAPS
...................................................................................................................
DuPont Mdustrial Biosciences USA LLC

'L

DuPont Industrial Bioscieuces USA LLC

DuPont Industrial Biosciences USA LLC

CHANAB
CHAN-04
CHAN01-02 —
CHANa1-02 —
N
WE
Legend
Historical Surface Water
Sample Location
Surface Water Sample
Collected During Final RFI
Field Sampling Event
Other Site Features
m Site Boundary
— Road
Fence
—+ Ralfroad
Drainage Charnels
Beaverdam Branch
SWMU orAOC
Building or Structure
Neuse River
ay, �CHANNEL26
C7A
C7-2 /
f �1
C7-1 i
B/
+0 CHAN07-02 f'
!1 cHauoani
C7.5
CHAN00-02
\\ f
L CHAN0702
CHAN03-03
2 CHANP3-04
CHA102-04
CHAN 02-03
6 500 1,000 1,SU0
Feet
Final RFI Channel Surface Water
■--� ■ �_ Sample Locations
_ Figure L-2
P i O FM E E R Final RFI Report
TECHNOLOGIES COAPOHAT3ON DuPont Kinston Facility

APPENDIX E. FORM 1
.................................. I.....................................................................................................
DuPont Industrial Biosciences USA LLC

United States Office of Water EPA Form 3510-1
Environmental Protection Agency Washington, D.C. Revised March 2019
Water Permits Division
V "'EPA 01
Application Forlmftiftl
General Information
NPDES Permitting Program
Note: All applicants to the National Pollutant Discharge Elimination System (NPDES) permits
program, with the exception of publicly owned treatment works and other treatment works treating
domestic sewage, must complete Form 1. Additionally, all applicants must complete one or more of the
following forms: 2B, 2C, 2D, 2E, or 2F. To determine the specific forms you must complete, consult the
. ` "General Instructions" for this form.

EPA Identifieat[on Number
NPDES Permit Number
Facility Name
Form Approved 03105/19
1VCD003190386
DuPont Kinston Plant
OMB No.2040-0004
Form
U.S. Environmental Protection Agency
9
\=.EPA Application for NPDES Permit to Discharge Wastewater
NPDES
GENERAL INFORMATION
1.1 Applicants Not Required to Submit Form 1 .
1.1.1
Is the facility a new or existing publicly owned
1.1.2
Is the facility a new or existing treatment works
treatmentworks?
treating domestic sewage?
If yes, STOP. Do NOT complete 0 No
If yes, STOP. Do NOT No
Form 1. Complete Form 2A.
complete Form 1. Complete
Form 2S.
.1.2
Applicants Required to Submit Form 1
w.
1.2.1
Is the facility a concentrated animal feeding
1.2.2
Is the facility an existing manufacturing,
operation or a concentrated aquatic animal
commercial, mining, or silvicultural facility that is
d
[L
production facility?
currently discharging process wastewater?
w
❑ Yes 4 Complete Form 1 �]� No
Yes 4 Complete Form ❑ No
zand
Form 213,
1 and Form 2C.
=
1.2.3
Is the facility a new manufacturing, commercial,
1.2.4
Is the facility a new or existing manufacturing,
co
mining, or silvicultural facility that has not yet
commercial, mining, or silvicultural facility that
commenced to discharge?
discharges only nonprocess wastewater?
C
❑ Yes 4 Complete Form 1 No
Yes 4 Complete Form No
o=
and Form 2D.
1 and Form 2E.
°1
1.2.5
Is the facility a new or existing facility whose
discharge is composed entirely of stormwater
t
associated with industrial activity or whose
discharge is composed of both stormwater and
non-stormwater?
❑✓ Yes - Complete Form 1 ❑ No
and Form 2F
unless exempted by
40 CFR
122.26(b)(14)(x) or
b 15 .
2.1
Facility Name
DuPont Kinston Plant
0
2.2
EPA Identification Number
U
NCDO03190386
2.3
Facility Contact
Name (first and last)
Title
Phone number
Emily Price
Plant Manager
[phone]
Email address
[e-mail]
2.4
Facility Mailing Address
CIS
Street or P.O. box
4693 NC Hwy 11N
City or town
State
ZIP code
Grifton
NC
28530
EPA Form 3510-1 (revised 3-19) Page 1

EPA Identil'icafion Number
NPDES Permit Number
Facility Name
Form Approved 03/05/19
NCDO03190386
DuPont Kinston Plant
OMB No.2040-0004
2.5
Facility Location
Street, route number, or other specific identifier
4693 NC Highway 11N
o '.
County name
County code (if [mown)
Lenoir
01
City or town
State
ZIP code
z ;�
Grifton
NC
28530
i
� •t I
3.1
SIC Code(s)
Description (optional)
2821
Plastics materials, synthetic and resins, and nonvulcanizable elastomers
,cq
w
0
U
co
U
3.2
NAICS Code(s)
Description (optional)
m
325211
Plastics Material and Resin Manufacturing
U
OPERATOR
INFORMATION 1
4.1
Name of Operator
DuPont Kinston Plant
0
4.2
Is the name you listed in Item 4.1 also the owner?
❑ Yes 0 No
0
4.3
Operator Status
R
❑ Public —federal ❑ Public —state ❑ Other public (specify)
❑� Private ❑ Other (specify)
o
4.4
Phone Number of Operator
[phone]
4.5
Operator Address
:.2
Street or P.O. Box
V .
E a
4693 NC Highway 11N
City or town
State
ZIP code
c :>
o
Griffon
NC
28530
Email address of operator
A
[e-mail]
•
c
5.1
Is the facility located on Indian Land?
"I
❑ Yes ❑✓ No
EPA Form 3510-1 (revised 3-19) Page 2

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03105119
NCDO03190386 DuPont Kinston Plant OMB No.2040-0004
6.1 Ezlsting Environmental Permits (check all that apply and print ortype the corresponding permit number for each)
m NPDES (discharges to surface m RCRA (hazardous wastes) ❑ UIC (underground injection of
o water) fluids)
NC0003760 EPA ID No. NCDO03190386
c ...-
w Q
❑ PSD (air emissions)
❑ Nonattainment program (CAA)
❑ NESHAPs (CAA)
:w.
❑ Ocean dumping (MPRSA) ❑ Dredge or fill (CWA Section 404) ❑✓ Other (specify)
See Attached
SECTIONi
7.1
Have you attached a topographic map containing all required information to this application? (See instructions for
specific requirements.)
❑ Yes ❑ No ❑ CAFO—Not Applicable (See requirements in Form 28.)
•
OF 1 ;
8.1
Describe the nature of your business.
DuPont Industrial Bioscienses USA, LLC owns the DuPont Kinston Site that occupies approximately 650 acres near
m
Kinston, North Carolina. DuPont Kinston manufactures PTr polyester (Poly-trimethylene terephthalate), which is
widely used in textiles and other woven goods. Ancillary activities at the site include raw material and product
storage, combustion sources, and wastewater treatment.
m
0
•
•�
1 '
9.1
Does your facility use cooling water?
❑✓ Yes ❑ No 4 SKIP to Item 10.1.
9.2
Identify the source of cooling water. (Note that facilities that use a cooling water intake structure as described at
40 CFR 125, Subparts I and J may have additional application requirements at 40 CFR 122.21(r). Consult with your
o Y
NPDES permitting authority to determine what specific information needs to be submitted and when.)
u
The source of cooling water is groundwater supplied by wells regulated under CCPCUA Permit No. CU3022.
In the eventthat the wells are not functioning (emergency situation), potable water from North Lenoir Water
Corporation can be used as the source of cooling water.
•
1
P I I
Do you intend to request or renew one or more of the variances authorized at 40 CFR 122.21(m)? (Check all that
10.1
apply. Consult with your NPDES permitting authority to determine what information needs to be submitted and
.
when.)
s ' ''
❑ Fundamentally different factors (CWA ❑ Water quality related effluent limitations (CWA Section
Section 301(n)) 302(b)(2))
❑ Non -conventional pollutants (CWA ❑ Thermal discharges (CWA Section 316(a))
Section 301(c) and (g))
�]✓ Not applicable
EPA Form 3510-1(revised 3-19) Page 3

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03105/19
NCDO03190386 DuPont Kinston Plant OMB No, 2040-0004
• 1 • F
11.1 In Column 1 below, mark the sections of Form 1 that you have completed and are submitting with your application.
For each section, specify in Column 2 any attachments that you are enclosing to alert the permitting authority. Note
that not all applicants are re aired to provide attachments.
Column 1 Column 2
Section 1: Activities Requiring an NPDES Permit ❑ wl attachments
Section 2: Name, Mailing Address, and Location ❑ wl attachments
❑✓ Section 3: SIC Codes ❑ wl attachments
0 Section 4: Operator Information
❑ wl attachments
❑ Section 5: Indian Land
❑ wl attachments
❑ Section 6: Existing Environmental Permits
0 w/ attachments
,m
� Section 7: Map
❑
wl topographic
✓❑ ❑ wl additional attachments
ma
Q
❑✓ Section 8: Nature of Business
❑ wlattachments
w
L)
[✓ Section 9: Cooling Water Intake Structures
❑ wl attachments
❑ Section 10: Variance Requests
❑ wl attachments
✓❑ Section 11: Checklist and Certification Statement
❑ wl attachments
�_
Y
11.2
Certification Statement
1 certify underpenalty 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 orpersons 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 fine and imprisonment for knowing violations.
Name (print or type first and last name)
Official title
Emily Price
Plant Manager
Signature
Date signed
"Z q-ZvZZ
EPA Form 3510-1(revised 3-19) Page 4

Form I Section 61
Other Permits:
• Synthetic Minor Operating Permit (Permit No. 03878R42)
• Central Coastal Plain Capacity Use Area (CCPCUA) Pen -nit (Permit No. CU3022)
• Inactive Solid Waste Landfill Permit (Permit No. 54-04 ISWLF)
• Inactive Solid Waste Transfer Facility Permit (Penuit No. 44.07T)

APPENDIX F. FORM 2F
DuPont Industrial Biosciences USA LLC 19

United States Office of Water EPA Form 3510-2F
Environmental Protection Agency Washington, D.C. Revised March 2019
Water Permits Division
r 'EPA Application
Note: Complete this form and Form l if you are a new or existing facility whose discharge is composed
entirely of stormwater associated with industrial activity, excluding discharges from construction
activity under 40 CFR 122.26(b)(14)(x) or (b)(1 S). If your discharge is composed of stormwater and
non-stormwater, you must complete Forms 1 and 2F, and you trust complete Form 2C, 21), or 2E, as
appropriate. See the "Instructions" inside for further details.

Paperwork Reduction Act Notice
The U.S. Environmental Protection Agency estimates the average burden to collect and complete
Form 2F to be 28.1 hours. The estimate includes time for reviewing instructions, searching existing data
sources, gathering and maintaining the needed data, and completing and reviewing the collection of
information. Send comments about the burden estimate or any other aspect of this collection of
information, including suggestions for reducing the burden, to the Chief, Information Policy Branch
(.PM-223), U.S. Environmental Protection Agency, 1200 Pennsylvania Avenue, NW, Washington, .DC
20460, and to the Office of Information and Regulatory Affairs, Office of Management and Budget,
zn
725 17"' Street, NW, Washington, DC 20503, marked "Attention: Desk Officer for EPA."

EPA Identification Number NPDES Permit Number Faculty Name Form Approved 03105119
NCDO03190386 DuPont Kinston Site OMB No,2040-0004
Form U.S Environmental Protection Agency
2F� E13/"A Application for NPDES Permit to Discharge Wastewater
�
NPDES k STORMWATER DISCHARGES ASSOCIATED WITH INDUSTRIAL ACTIVITY
• • • •
1.1 Provide information on each of the facilit 's outfalls in the table below
Ou Number Receiving Water Name Latitude Longitude
,.:..
004 Unnamed tributary to 35.00° 20.00' 6.90' 77.00' 28.00` 31.00 "
Beaverdam Branch
0 007 Unnamed tributary to „ P
p Beaverdam Branch 35.0c 19,00, 51.00 77.00 29.00 2.00'
iCt
.0
P r n P r u
n I 11 O ) 1!
SECTION • !
2.1 Are you presently required by any federal, state, or local authority to meet an implementation schedule for constructing,
upgrading, or operating wastewater treatment equipment or practices or any other environmental programs that could
affect the discharges described in this application?
❑✓ Yes ❑ No + SKIP to Section 3.
2.2 Briefly identify each applicable project in the table below.
Brief Identification and Affected QuEfails Final Compliance Dates
Description of Project Qist outfall numbers) Source(s) of Discharge .
Required Projected
Schedule of compliance for 002 and 003 Outfall 003 - Stormwater not 4/1/22 See
new metal limits. See Section associated with industrial activity Section 9
9 of the application narrative Outfall 002 - Steam Condensate, of the
application
for additional information. Fire Protection Water, narrative.
Groundwater, and Stormwater
N
G
RS
i=
CS
O
L
Q.
I;
2.3 Have you attached sheets describing any additional water pollution control programs (or other environmental projects
that may affect your discharges) that you now have underway or planned? (Optional Item)
❑ Yes 0 No
EPA Form 3510-217 (Revised 3-19) Page 1

EPA Identification Number NPDE3 Permit Number Facility Name Rxin Approved 03105119
NCDO03190386 DuPont Kinston Site OMB No.2040.0004
W 3.1 Have you attached a site drainage map containing all required information to this application? (See instructions for
2 _ C specific guidance.)
a ® Yes ❑ No
4.1 Provide information on the facility's pollutant sources in the table below.
Outfall Impervious Surface Area Total Surface Area Drained
Number (within a mile radius of the facility) (within a mile radius of the facility
specify units
specify units
004
12,52
Acres
31.96
Acres
specify units
specify units
007
?.60
Acres
10.15
Acres
specify units
specify units
specifyunits I I specify units
specify units
specify units
4.2 Provide a narrative description of the facility's significant material in the space below. (See instructions for content
requirements.)
Raw materials at the facility include terephthalic acid (TPA) 1,3-propanedial (PDO), titanium dioxide anatase (Ti02), and organic titanate
catalyst (TnBT). Manufactured products include polytdrnethylene terephthalate (PTT) pellets and molten PTT pelymer. Other materials
stored on -site include: diesel fuel, gasoline, Thermirol VP-1, watertreatment chemicals, aqueous ammonium hydroxide, sodium bisulfite,
i sodium hypochlorite, clarifier and wasting polymers, QA/QC laboratory reagents, process wastewater; industrial process waste, and sludge
waste. Pesticides, herbicides, soil conditioners, and fertilizers are applied by a contractor in limited amounts. In addition, numerous solid
rp waste management units (SVVMUs) including landfills are on -site and contain significant materials from historical operations.
Majority of the materials are stored in above ground storage tanks with secondary containment. However, water treatment chemicals,
clarifier and wasting polymers, sodium hypochlorite, and sodium bisulfite are stored in 30 gal or 55 gal drums or in 400 gal totes. Therminol
VP-1 can also be stored fn 30 or 55 gal drums. The Site has several docks and off-loading stations for transfer of materials. The Essential
Materials Loading and Unloading Area is used for the transfer of office supplies, maintenance supplies and equipment, water treatment
ri chemicals, Ti02, QAIQC laboratory reagents and wastewater treatment chemicals. Warehouse space is for final product storage in
enclosed bulk bags. Truck docks at the warehouse are primarily for final product load -out. Industrial materials and activity are not exposed
to stormwater at the warehouse truck docks.
4.3 Provide the location and a description of existing structural and non-structural control measures to reduce pollutants in
stormwater runoff. See instructions for specificguidance.)
Stormwater Treatment
outfall
Number
Control Measures and Treatment
Codes
from
Exhibit
2F-1
Site -Wide Good housekeeping, preventative maintenance, secondary containment, inspections, training, NIA
security, spill prevention plan, and procedures are non-structural controls employed at the Site.
004 1 Grassed swale for sediment control. 11-U
1 007 I A synthetic settling basin located just north of the truck gate for sediment control. I 1-U
"The Site utilizes additional structural BMP's at the combined wastewater and stormwater outfalls to minimize or prevent
exposure of significant materials to stormwater. See Section 11 of the application narrative for additional details.
EPAForm3510-21F(Revised3-19) Page 2

4 Identification Number NPDSS Permit Number Facility Name Form Approved 03/05/19
NCDO03190386 DuPont Kinston Site OMB No.2040-0004
5.1 1 certify under penalty of taw that the ouffall(s) covered by this application have been tested or evaluated for the
presence of non-stormwater discharges. Moreover, I certify that the outfalls identified as having non-stormwater
discharges are described in either an accompanying NPDES Form 2C, 2D, or 2E application.
Name (print or type first and last name) I Official title
Emily Price Plant Manager
Signature Date signed
5.2 Provide the testing information requested in the table below.
outfall Onsite Drainage.Points
Number Description of Testing Method Used Date(s) of Testing Directly Observed
Duflng Test
004 Visual monitoring for color, odor, solids, clarity, foam, oil Semiannually Ditch, grassed swale
sheen, deposition, and erosion.
007 Visual monitoring for color, odor, solids, clarity, foam, oil 9/2312021 Ditch
sheen, deposition, and erosion.
6.1 Describe any significant leaks or spills of toxic or hazardous pollutants in the last three years.
On 5/10/2020 4W lbs of 1,1 Biphenyl (Therminol VP1) from a day tank ovefll.
(NCR#1277155)
r�
See the instructions to determine the pollutants and parameters you are required to monitor and, in turn, the tables you must
a complete. Not all applicants need to complete each table.
7.1 Is this a new source or new discharge?
❑ Yes -+ See instructions regarding submission of m No 3 See instructions regarding submission of
estimated data. actual data.
7.2 Have you completed Table A for each outfall?
ED Yes ❑ No
EPA Form 3510-2F (Revised 3-19) Page 3

EPA Ideutiriicatlun Number
NPDES Perak Numbei
Faollly Name
Form Approved O.i105119
NCDO03190386
DuPont Kinston Plant
OMB No, 2NO-0004
7.3
Is the facility subject to an effluent limitation guideline (ELG) or effluent limitations in an NPDES permit for its process
wastewater?
Rl Yes El No 3 SKIP to Item 7.5.
7.4
Have you completed Table B by providing quantitative data for those pollutants that are (1) limited either directly or
indirectly in an ELG andlor (2) subject to effluent limitations in an NPDES permit for the facility's process wastewater?
`Pollutants with an ELG exclusively for process
❑ YeS ❑✓ No
,,wastewater were not analyzed.
7.5
Do you know or have reason to believe any pollutants in Exhibit 2F-2 are present in the discharge?
❑ Yes ❑ No -3, SKIP to Item 7.7.
7.6
Have you listed all pollutants in Exhibit 2F-2 that you know or have reason to believe are present in the discharge and
provided quantitative data or an explanation for those pollutants in Table C?
✓❑ Yes ❑ No
7.7
Do you qualify for a small business exemption under the criteria specified in the Instructions?
❑ Yes 4SKIP to Item 7.18. ✓❑ No
7.8
Do you know or have reason to believe any pollutants in Exhibit 2F-3 are present in the discharge?
❑ Yes ❑ No 4 SKIP to Item 7.10.
7.9
Have you listed all pollutants in Exhibit 2F--3 that you know or have reason to believe are present in the discharge in
Table C?
2 Yes ❑ No
0
7.10
Do you expect any of the pollutants in Exhibit 2F-3 to be discharged in concentrations of 10 ppb or greater?
E
✓❑ Yes ❑ No 4 SKIP to Item 7.12.
0
7.11
Have you provided quantitative data in Table C for those pollutants in Exhibit 2F-3 that you expect to be discharged in
ED
concentrations of 10 ppb or greater?
Cs
❑ Yes ❑ No
7.12
Do you expect acrolein, acrylonitrile, 2,4-dinitrophenol, or 2-methyl-4,6-dinitrophenol to be discharged in concentrations
of 100 ppb or greater?
❑ Yes No 4 SKIP to Item 7.14.
7.13
Have you provided quantitative data in Table C for the pollutants identified in Item 7.12 that you expect to be
discharged in concentrations of 100 ppb or greater?
❑ Yes ❑ No
7.14
Have you provided quantitative data or an explanation in Table C for pollutants you expect to be present in the
discharge at concentrations less than 10 ppb (or less than 100 ppb for the pollutants identified in Item 7.12)?
Yes ❑ No
7.15
Do you know or have reason to believe any pollutants in Exhibit 217-4 are present in the discharge?
❑ Yes ❑✓ No 4 SKIP to Item 7.17.
7.16
Have you listed pollutants in Exhibit 2F-4 that you know or believe to be present in the discharge and provided an
explanation in Table C?
❑ Yes ❑ No
7.17
Have you provided information for the storm event(s) sampled in Table D?
✓❑ Yes ❑ No
EPA Form 3510-2F (Revised 3-19) Page 4

EPA Idendflcation Number
NPQES Permit Number
Facility Name
Form Approved 031051/9
NCDO03190386
DuPont Kinston Site
OM No. 2040-0004
Used or Manufactured Toxics .:
7.18
Is any pollutant listed on Exhibits 2F-2 through 2F4 a substance or a component of a Suhstance used or
manufactured as an intermediate or final product or byproduct?
❑ Yes ❑ No 4 SKIP to Section 8.
::
7.19
List the pollutants below, including TCDD if applicable.
E
1. Acroiein 4. 7.
c+
2• Ally] Alcohol 5. 8.
U
:C3 .'
3. 6. 9.
SECTIONS.•
• D. .0
8.1
Do you have any knowledge or reason to believe that any biological test for acute or chronic toxicity has been made on
r '
any of your discharges or on a receiving water in relation to your discharge within the last three years?
❑ Yes ✓❑ No 4 SKIP to Section 9.
°1
w-
8.2
Identify the tests and their purposes
below.
.7
•x
_,
Test(s)
Purpose of Test(sj
Submitted to NPDES
PermiRin Authori ?
Date Submitted
0
❑ Yes ❑ No
❑ Yes ❑ No
02
in
❑ Yes ❑ No
.::SECTION
' .ONTRACT
ANALYSIS INFORMATION1
9.1
Were any of the analyses reported in Section 7 (on Tables A through C) performed by a contract laboratory or
consulting firm?
�]✓ Yes ❑ No + SKIP to Section 10.
9.2
Provide information for each contract laboratory or consulting firm below.
Laboratory Number 1
Laboratory Number 2
Laboratory Number 3
Name of laboratory/firm
Environmental 1, Incorporated
Microbac Laboratories Inc.
o
(NC Lab Certification #10)
(NC Lab Certification #11)
E
0
H
Laboratory address
1.1.4 Oakmont Drive
2592 Hope Mills Rd.
Greenville, NC 27895
Fayetteville, NC 28306
c
Q
U _
R
L
o
Phone number
V
[phone]
([phone]
Pollutant(s) analyzed
All pollutants for Outfall 007
All pollutants for Outfall 004
and mercury for Outfall 004
except mercury
EPA Form 3510-2F (Revised 3-19) Page 5

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05119
NCDO03190386 DuPont Kinston Site OMB No.2040-0004
10.1 In Column 1 below, mark the sections of Form 2F that you have completed and are submitting with your application. For
each section, specify in Column 2 any attachments that you are enclosing to alert the permitting authority. Note that not
all applicants are required to com lete all sections or provide attachments.
Column 1
Column 2
El Section 1
❑ wl attachments (e.g., responses for additional outfalls)
✓❑ Section 2
❑ wl attachments
0 Section 3
✓[� wl site drainage map
0 Section 4
❑ wl attachments
❑ Section 5
❑ wl attachments
0 Section 6
❑ wi attachments
�-
d
Section 7
❑✓ Table A ❑ wl small business exemption request
o
❑ Table B ❑ wl analytical results as an attachment
✓Cj Table C ❑ Table D
❑ Section 8
❑ wlattachments
c
H
❑✓ Section 9
❑ wlattachments (e.g., responses for additional contact laboratories or firms)
0 Section 10
❑
10.2
Certification Statement
1 certify under penalty of taw that this document and all attachments were prepared under my direction or supervision in
accordance with a system designed to assure that qualified personnel property 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.l am aware that there are significant penalties for submitting false information, including the possibility of fine
and imprisonment for knowing violations.
Name (print or type first and last name)
Official title
Emily Price
Plant Manager
Signatur
Date signed
Z of -- Z o Z2
EPA Form 3510-2F (Revised 3-19) Page 6

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DuPont industrial Bioscieaces USA LLC 20

Permit Coverage
A� Renewal Application Form NPDES Permit Number
NCDENR National Pollutant Discharge Elimination System NCS
Stormwater Individual Permit
Please provide your permit number in box in the upper right hand corner, complete the information in the space provided
below and return the completed renewal form along with the required supplemental information to the address indicated.
Owner Information
Owner / Organization Name
Owner Contact:
Mailing Address:
Phone Number:
Fax Number:
E-mail address:
Facilitv Information
Facility Name:
Facility Physical Address:
Facility Contact:
Mailing Address:
Phone Number:
Fax Number:
E-mail address:
Permit Information
Permit Contact:
Mailing Address:
Phone Number:
Fax Number:
E-mail address:
Discharge Information
Receiving Stream:
Stream Class:
Basin:
Sub -Basin:
Number of Outfalls:
Address to which permit correspondence w111 be mailed
DuPont Industrial Biosciences USA. LLC
Emily Price
4693 NC Hwy 11 North
Grifton, NC 28530
252 559-7043
1=[e-mail]
DuPont Kinston Site
4693 NC Hwy 11 North
Grifton, NC 28530
Emily Price
4693 NC Hwy 11 North
Grifton, NC 28530
[phone]
[e-mail]
Griffon, NC 28530
[phone]
[e-mail]
Beaverdam Branch
C, Sw, NSW
Neuse River Basin
03-04-05
2
Facility/Activi[WChangesPlease describe below any changes to your facility or activities since issuance of your permit. Attached a
separate sheet if necessary.
Please see Section 10 of the application narrative.
CERTIFICATION
I certify that I am familiar with the information contained in the application and that to the best of my knowledge and belief
such information is true, complete and accurate.
Signature Date /` 2 2_07 Z.
Emily Price Plant Manager
Print or type name of person signing above Title
Please return this completed application form SW Individual Permit Coverage Renewal
and requested supplemental information to: Stormwater Permitting Program
1.612 Mail Service Center
Raleigh, North Carolina 27699-1612

SUPPLEMENTAL INFORMATION REQUIRED FOR RENEWAL OF INDIVIDUAL
NPDES STORMWATER PERMIT
Two copies of each of the following shall accompany this submittal in order for the application
to be considered complete:
(Do not submit the site Stormwater Pollution Prevention Plan)
Initials
1. A current Site Map from the Stormwater Pollution Prevention Plan. The location of
industrial activities (including storage of materials, disposal areas, process areas and
loading and unloading areas), drainage structures, drainage areas for each outfall,
building locations and impervious surfaces should be clearly noted.
2. A summary of Analytical Monitoring results during the term of the existing permit
(if your permit required analytical sampling). Do not submit individual lab reports.
The summary can consist of a table including such items as outfall number,
parameters sampled, lab results, date sampled, and storm event data.
3. A summary of the Visual Monitoring results. Do not submit individual monitoring
reports. The summary can consist of a table including such items as outfall number,
parameters surveyed, observations, and date monitoring conducted.
4. A summary of the Best Management Practices utilized at the permitted facility.
Summary should consist of a short narrative description of each BMP's in place at
the facility. If tile implementation of any BMP's is planned, please include
information on these BMP's.
5. A short narrative describing any significant changes in industrial activities at the
permitted facility. Significant changes could include the addition or deletion of
wort{ processes, changes in material handling practices, changes in material storage
Al2_ practices, and/or changes in the raw materials used by the facility.
6. Certification of the development and implementation of a Stormwater Pollution
Prevention Plan for the pennitted facility (Sign and return attached form).
If the final year analytical monitoring of the existing permit term has not been completed
prior to filing the renewal submittal, then the last years monitoring results should be submitted
within 30 days of receipt of the laboratory reports. (i.e. do not withhold renewal submittal
waiting on lab results)

STORMWATER POLLUTION PREVENTION PLAN
DEVELOPMENT AND IMPLEMENTATION
CERTIFICATION
North Carolina Division of Energy, Mineral, and Land Resources - Storm water Permitting
Facility Name:
Permit Number:
Location Address:
DuPont Kinston Site
4693 NC Hwy 11 North
Grifton, NC 28530
County: Lenoir County
I certify, under penalty of law, that the Stormwater Pollution Prevention Plan (SPPP) document and all
attachments were developed and implemented under my direction or supervision in accordance with a system
designed to assure that qualified personnel properly gather and evaluate the information required by the SPPP.
Based on my inquiry of the person or persons who manage the system, or those persons directly responsible
for gathering the information, the information gathered is, to the best of my knowledge and belief, true,
accurate and complete."
And
"I certify that the SPPP has been developed, signed and retained at the named facility location, and the SPPP
has been fully implemented at this facility location in accordance with the terms and conditions of the
stormwater discharge permit."
And
"I am aware that there are significant penalties for falsifying information, including the possibility of fines and
imprisonment for knowing violations."
Sign (according to permit signatory requirements) and return this Certification. DO NOT
SEND STORMWATER POLLUTION PREVENTION PLAN WITH THIS CERTIFICATION.
Signature g, ?�
Emily Price
Print or type name of person signing above
Date --Zy -20Z Z
Plant Manager
Title
*Please note that DuPont Kinston is in the process of updating the SPPP to be consistent with the revisions included in this permit application.
SPPP Certification 10/13