5 facilities in South Carolina reported releasing a combined 214.6k pounds of hydrogen cyanide to air, water, and land in 2024.
| Facility | City | On-site (lb) |
|---|---|---|
| Holcim (Us) Inc Holly Hill Plant | Holly Hill | 122.7k |
| Cytec Engineered Materials Inc. | Rock Hill | 70.5k |
| Cytec Engineered Materials Inc. | Piedmont | 14.8k |
| Teijin Carbon America Inc. | Greenwood | 5.7k |
| Si Group Inc | Orangeburg | 940 |
← All Hydrogen cyanide releases nationwide · South Carolina pollution overview