DEQ-CFW_00003276

Chemours Company — Fayetteville Works NPDES Permit No. NC0003573
Supplemental Information — Permit Renewal Application - April 27, 2016
Current Facility Operating Conditions
Chemours Fluoromonomers/Nafiong Membrane Manufacturing Area:
The Chemours Company — Fayetteville Works' Fluoromonomers / NafionlD Membrane
manufacturing area produces several final products. ChemoursTM Nafion® Membrane is a plastic
film used in the chloroalkali industry and in electrochemical fuel cells. ChemoursTM Nafion®
Polymer Dispersions are used in the fabrication of thin films and coating formulations for fuel
cells membranes, catalyst coatings, sensors, and a variety of electrochemical applications.
The HFPO monomer and the Vinyl Ether monomers are used to manufacture various
fluorochemical products such as ChemoursTM Teflon. Wastewater generated from this
manufacturing facility is discharged to the Chemours' wastewater treatment plant.
Chemours Polymer Processing Aid ("PPAlt) Manufacturing Area:
The Chemours Company — Fayetteville Works' PPA manufacturing area produces a polymer
processing aid. The processing aid produced in this unit is used in the manufacturing of
\, > c1'\fluoropolymers and fluorinated telomers,,but none of the .produced processing aid is used at the
Fayetteville Works site. All process wastewater generated from this manufacturing facility is
r.' collected and shipped off -site for disposal. No process wastewater from this manufacturing facility
is discharged to the Chemours' wastewater treatment plant or to the Cape Fear River.
Kuraray Butacite@ Manufacturing Area:
The Kuraray America Inc. — Fayetteville Plant's Butacite® manufacturing area produces two final
products. KurarayTM Butaciteg Interlayer plastic sheeting is the final product used in safety glass
such as automobile windshields, Polyvinyl butyral resin is shipped off site as a transfer to other
Kuraray locations for .final processing. Wastewater generated from this manufacturing facility is
discharged to the Chemours' wastewater treatment plant.
Kuraray SentryGlas@ Manufacturing Area:
The Kuraray America Inc. — Fayetteville Plant's SentryGlas® manufacturing area produces
KurarayTM SentryGlas(D ionoplast interlayer laminate. SentryGlas® interlayer is used for
laminated safety glass in side, rear, and overhead automobile windows. It is also used in
architectural applications desiring safety glass. There is no contact process wastewater generated
from this manufacturing facility, therefore only sanitary waste from this area is treated in the
Chemours' wastewater treatment plant. This manufacturing facility does discharge non -contact
cooling water to a surface ditch and ultimately to Outfall 002.
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DuPont Polyvinyl Fluoride ("PVF") Manufacturing Area: 2 C 1 D-5- t<
(�O 5 The DuPont Company — Fayetteville Works' PVF manufacturing area produces polyvinyl fluoride
yk°' resin that is used in the electronics industry as a backing for photovoltaic cells, as well as many
other uses. Wastewater generated from this manufacturing facility is discharged to the Chemours'
wastewater treatment plant.
DEQ-CFW 00003276