NC0090191_Cover Letter - Application and Additional Information Response_20240523

P I E DMO N T
LITHIUM
May 23, 2024
Mr. Doug Dowden
NC Department of Environmental Quality
Division of Water Resources, Permitting
512 North Salisbury Street
Raleigh, NC 27699-1612
Piedmont Lithium Carolina, Inc.
42 E Catawba St.
Belmont, NC 28012
Subject: Piedmont Lithium Carolinas, Inc.
Carolina Lithium Project — Lithium Hydroxide Conversion Plant (NC0090191)
Dear Mr. Dowden:
Piedmont Lithium Carolinas, Inc. (PLCI) submitted a North Carolina NPDES Permit Application on
December 21, 2022 to the Division of Water Resources, Industrial NPDES Permitting Unit (IPU) for the
Carolina Lithium — Lithium Hydroxide Conversion Plant (NC0090191). The Division of Water Resources
issued an Additional Information request on June 20, 2023 (ADI).
Attached to this cover, PLCI is submitting the following documents:
• Responses to ADI
• Revised NPDES Permit Application for the Lithium Hydroxide Conversion Plant
Should you have any questions or require additional information following your review of the enclosed
materials, please contact me, Monique Parker, at [phone] or mparkera-piedmontlithium.com or
Courtney Burgard at [phone] or cburgarda-piedmontlithium.com.
Yours truly,
Jj ?I-
J. Monique Parker, CSP
Senior Vice President, Safety, Environment & Health
Piedmont Lithium Carolinas, Inc.