NC0000892_Correspondence_20230327

DocuSign Envelope ID: F29FF463-1045-4B47-8BB3-5B5DC602A9ED
ROY COOPER
Governor
ELIZABETH S. BISER
Secretary
RICHARD E. ROGERS, JR.
Director
Mr. Brian Reddy, Plant Manager
Arclin USA, LLC
790 Corinth Rd.
Moncure, North Carolina 27559
Dear Mr. Reddy:
NORTH CAROLINA
Environmental Quality
March 25, 2023
Subject: Final NPDES Permit
Permit NCO000892
Archn USA
Chatham County
Facility Class II
The Division of Water Resources is forwarding herewith the Final Permit for Arclin USA, LLC. This
permit is issued pursuant to the requirements of North Carolina General Statute 143-215.1 and the
Memorandum of Agreement between North Carolina and the U.S. Environmental Protection Agency
dated October 15, 2007 (or as subsequently amended).
The Final Permit contains the f6flowing significant changes from your Draft Permit:
The PFAS Monitoring was increased from Annually to Quarterly to meet the requirements of
the EPA's PFAS Guidance.
The limits for OCPSF parameters, BOD, and TSS were recalculated based on the updated flow
of 0.07 MGD due to increase in production since the original renewal application was submitted
in 2016.
The Final Permit maintains the f6flowing significant changes contained in the Draft
Permit:
• The new electronic reporting requirement was added to the permit based on the EPA Rule.
• The total PAH limit was added to the permit based on the results of the Reasonable
Potential Analysis.
• The limits for OCPSF parameters, BOD, and TSS were recalculated based on the latest
production data.
• The new PFAS Special Condition was added to the permit to implement EPA's PFAS
Guidance.
* The Stormwater Section of the permit was updated.
North Carolina Department of Environmental Quality I Division of Water Resources
512 North Salisbury Street 1 1611 Mail Service Center I Raleigh, North Carolina 27699-1611
919.707.9000
4NORT�HCA�RCLINA�

DocuSign Envelope ID: F29FF463-1045-4B47-8BB3-5B5DC602A9ED
The Division is unable to increase the flow limit above 0.01 MGD. In order to increase the flow
limit the facility shall submit a completed Engineering Alternatives Analysis (EAA), required by 15A
NCAC 02H.0105 (c) (2).
The Division provided 30-day comment period required by the state rules. The Public Notice was
published on the DWR site on January 10 and the comments were requested to be submitted by February
13.
If any parts, measurement frequencies, or sampling requirements contained in this permit are
unacceptable to you, you have the right to an adjudicatory hearing upon written request within thirty
(30) days following receipt of this letter. This request must be in the form of a written petition,
conforming to Chapter 150B of the North Carolina General Statutes, and filed with the office of
Administrative Hearings, 6714 Mail Service Center, Raleigh, North Carolina 27699-6714. Unless
such a demand is made, this permit shall be final and binding.
Please note that this permit is not transferable except after notice to the Division. The Division may
require modification or revocation and reissuance of the permit. This permit does not affect the
legal requirements to obtain other permits which may be required by the Division of Water
Resources or any other Federal, State, or Local governmental regulations.
If you have any questions or need additional information, please contact Sergei Chernikov,
telephone number [phone] or email: [e-mail].
Sincerely,
U DocuSigned by:
(� V6WAAA,
IN, IIIA40D
Richard E. Rogers, Jr., Director
Division of Water Resources
cc: Central Files
NPDES Files
Raleigh Regional Office/Water Quality
WSS/Aquatic Toxicology Unit (e-copy)
EPA Region IV (e-copy)
North Carolina Department ofEnvironmental Quality I Division ofWater Resources
512 North Salisbury Street 1 1611 Mail Service Center I Raleigh, North Carolina 27699-1611
4NCRT�HCA�RGLINAR- 919.707.9000