NCS000003_Permit Cover Amendment_20200408

ROY COOPER
Governor
MICHAEL S. REGAN
Secretary
BRIAN WRENN
Acting Director
NORTH CAROLINA
Environmental Quality
April 8, 2020
Elementis Chromium Inc
Attn. Paul Fox, Owner
c/o Calvin Overcash, Regulatory Manager
5408 Holly Shelter Road
Castle Hayne, NC 28429
Subject: Final NPDES Stormwater Permit
Cover Amendment
Permit No. NCS000003
Castle Hayne Plant
New Hanover County
Dear Mr. Fox:
The NPDES Stormwater Permit for Elementis Chromium Inc - Castle Hayne Plant was
finalized on December 27, 2019. Attached is the amended cover page, with the corrected
dates of coverage. Please attach this to your original signed permit.
If you have any questions or comments concerning this permit, contact Lauren Garcia at (919)
707-3648, or at email, [e-mail].
Sincerely,
for Brian Wrenn, Acting Director
Division of Energy, Mineral and Land Resources
ec: Brian Lambe, Wilmington Regional Office, DEMLR Land Quality Section
Dan Sams, Wilmington Regional Office, DEMLR Land Quality Section
Attachments:
NPDES Stormwater Permit No. NCS000003 Amended Permit Cover Page
D North Carolina Department of Environmental Quality I Division of Energy. Mineral and Land Resources
11:;�EQ 512 North Salisbury Street ! 1612 Mail Service Center I Raleigh. North Carolina 27699-1612
919.707.9200

Permit No. NCS000003
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
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,
Elementis Chromium, Inc
is hereby authorized to discharge stormwater from a facility located at:
Castle Hayne Plant
5408 Holly Shelter Road
Castle Hayne, NC
New Hanover County
to receiving waters designated as the Northeast Cape Fear River, a class B; Sw water body,
in the Cape Fear River Basin, in accordance with the discharge limitations, monitoring
requirements, and other conditions set forth in Parts I, II, III, and IV hereof.
This permit shall become effective January 1, 2020.
This permit and the authorization to discharge shall expire at midnight on December 31,
2024.
Signed this day April 8, 2020.
or Brian Wrenn, Acting Director
Division of Energy, Mineral and Land Resources
By the Authority of the Environmental Management Commission

Permit No. NCS000003
TABLE OF CONTENTS
PART I INTRODUCTION
Section A: Individual Permit Coverage
Section B: Permitted Activities
Section C: Location Map
PART II MONITORING, CONTROLS, AND LIMITATIONS FOR PERMITTED
DISCHARGES
Section A: Stormwater Pollution Prevention Plan
Section B: Analytical Monitoring Requirements
Section C: Qualitative Monitoring Requirements
Section D: Special Conditions
PART III STANDARD CONDITIONS FOR NPDES STORMWATER INDIVIDUAL PERMITS
Section A: Compliance and Liability
1. Compliance Schedule
2. Duty to Comply
3. Duty to Mitigate
4. Civil and Criminal Liability
S. Oil and Hazardous Substance Liability
6. Property Rights
7. Severability
8. Duty to Provide Information
9. Penalties for Tampering
10. Penalties for Falsification of Reports
11. Onshore or Offshore Construction
12. Duty to Reapply
i