NCG050473_Cover Letter (Signed)_20240409

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ROY COOPER � ; � �"
Governor
ELIZABETH S.BISER +«'°,.
Secretary �uM,„m"
WILLIAM E.TOBY VINSON,JR. NORTH CAROLINA
Interim Director .Environmental Quality
April 9,2024
Polykemi
Attn: Amanda Clemmer - - - — - -
2800 Repi Court -
Dallas, NC 28034
Subject: General Permit No. NCGO50000
Polykemi
COC No. NCGO50473
Gaston County
Dear Amanda Clemmer:
In accordance with your application for a discharge permit received on March 15,2024, we are forwarding
herewith the subject certificate of coverage(COC) to discharge under the subject state-NPDES general permit.
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 US Environmental Protection Agency dated
October 15, 2007 (or as subsequently amended).
In order to comply with the conditions of NCG050000 to which you are now subject,you are required to do the
following:
➢ Develop and Implement a SWPPP within 12 months of permit issuance.
➢ Download and print a copy of the NCG050000 Permit from the General Permits page on the NPDES
Industrial Stormwater Program web site,which can be reached by typing "deg.nc.goy/SW-industria I"
into your browser and hitting enter.
➢ When you receive an invoice for your annual permit fee each year, pay it promptly. Electronic payment
is convenient and quick,you can access the ePayment web site by typing "deg.nc.gov/SW-ePayments"
into your browser and hitting enter.
➢ If you have not already enrolled in electronic Data Monitoring Reports (eDMR),view the six step
process and complete the registration by typing "deg.nc.goy/SW-eDMR" into your browser and
hitting enter.
➢ Keep information about your facility name,ownership, legally responsible person, address, and
stormwater outfalls up to date. See the Industrial Stormwater Program web site for instructions.
➢ Per the requirements of the Catawba Riparian (streamside) Buffer Rule (15A NCAC 02B .0243), all
stormwater runoff into the riparian buffer shall meet dispersed flow requirements of 15A NCAC
02H .1002 for portions of the project built after June 30, 2001. Also, drainage conveyances (drainage
ditches, roadside ditches, and stormwater conveyances)through riparian buffer must meet
requirements of the Catawba Riparian buffer rules-per 15A NCAC 02B .0243.
North Carolina Department of Environmental Quality I.Division of Energy,Mineral and Land Resources
512 North Salisbury Street i 1612 Mail Service Center I Raleigh,North Carolina 2 769 9-1612
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ROY COOPER
GovernorELIZABETH S.BISER
Secretary
WILLIAM E.TOBY VINSON,JR. NORTH CAROLINA
Interim Director Environmental Quality
Please take notice that this certificate of coverage is not transferable except upon approval from the Division of
Energy, Mineral, and Land Resources (Division). The Division may require modification or revocation and
reissuance of the certificate of coverage.
This permit does not affect the legal requirements to obtain other permits which may be required by the
Division of Water Resources,the Coastal Area Management Act,or any other federal or local government permit
that may be required.
If you have any questions concerning this permit, please contact Brittany Cook at(919) 707-3648 or by email at
[e-mail].
Sincerely,
Brittany Cook
NPDES Stormwater General Permits Coordinator
Division of Energy, Mineral, and Land Resources
cc: Mooresville Regional Office/I. Eplin
North Carolina Department of Environmental Quality I.Division of Energy,Mineral and Land Resources
"PaQ5 512 North Salisbury Street 11612 Mai[Service Center I Raleigh,North Carolina 2 76 99-1612
��^� 919.707.9200