PUBLIC NOTICE RCRA PERMIT CLASS 2 MODIFICATION REQUEST Hazardous Waste Facility No. HW-031(D)-3 Olin Corporation Augusta, Georgia Facility Facility I.D. No. GAD040690737 June 19, 2026

PUBLIC NOTICE RCRA PERMIT CLASS 2 MODIFICATION REQUEST Hazardous Waste Facility No. HW-031(D)-3 Olin Corporation Augusta, Georgia Facility Facility I.D. No. GAD040690737 June 19, 2026 Olin Corporation (Olin)'s Augusta, Georgia Facility [located at 2402 Doug Barnard Parkway, Augusta, Richmond County, GA 30906; Ph: 706-798-1510] is providing notification of its request for Class 2 Permit Modification to its Hazardous Waste Facility Permit (Permit HW-031(D)-3). Heidi Fogell is the Olin contact person and can be reached at (800) 295-6141. Olin submitted a request to the Georgia Environmental Protection Division (GA EPD) for a Class 2 Permit Modification on June 12, 2026, as described in the Permit Modification Request – Monitoring Program Optimization report. Details of the Class 2 permit modification request and all applicable attachments are available for review and copy at the Diamond Lakes Library located at 101 Diamond Lakes Way Hephzibah, GA 30815. To describe the request and address comments, a public meeting has been scheduled for MONDAY, JULY 6, 2026, at 4:00 p.m. at this location. Publication of this notice marks the beginning of a 60-day public comment period. Comments or questions regarding this request may be directed to Mr. James Sliwinski, Unit Coordinator, Remedial Sites Unit of the Georgia Environmental Protection Division at (470) 524-0587, 2 Martin Luther King Jr. Dr. SE, Suite 1054 East, Atlanta, GA 30334. The permittee's compliance history during the life of the permit being modified is available from the Agency contact person. June 19 2026 LGSC0539429