4 facilities in Montana reported releasing a combined 54.2k pounds of hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) to air, water, and land in 2024.
| Facility | City | On-site (lb) |
|---|---|---|
| Chs Inc. Laurel Refinery | Laurel | 28.1k |
| Colstrip Steam Electric Station | Colstrip | 25.0k |
| Phillips 66 Co Billings Refinery | Billings | 810 |
| Hardin Generating Station | Hardin | 321 |
← All Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) releases nationwide · Montana pollution overview