3 facilities in Wyoming reported releasing a combined 39.3k pounds of hydrogen cyanide to air, water, and land in 2024.
| Facility | City | On-site (lb) |
|---|---|---|
| Mountain Cement Co | Laramie | 38.0k |
| Mitsubishi Chemical Carbon Fiber & Composites | Evanston | 786 |
| Wyoming Refining Co | Newcastle | 531 |
← All Hydrogen cyanide releases nationwide · Wyoming pollution overview