EPA Air · inspections by state and year
Air-emissions inspections in Montana, 2018
- 19Inspections
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source. Every inspection below was recorded against a source in Montana during 2018; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Montana, 2018
Montana, other years
Air-emissions inspections recorded in Montana, 2018
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2018-12-31 | MONTANA SULPHUR & CHEMICAL | BILLINGS, Yellowstone, MT | FCE On-Site | State |
| 2018-12-27 | ASH GROVE CEMENT | CLANCY, Jefferson, MT | FCE On-Site | State |
| 2018-11-19 | CALUMET MONTANA REFINING — high-priority violation on file | GREAT FALLS, Cascade, MT | PCE Off-Site | State |
| 2018-10-30 | ROCKY MOUNTAIN POWER | HARDIN, Big Horn, MT | PCE Off-Site | State |
| 2018-10-05 | ROCKY MOUNTAIN LABORATORIES FACILITY | HAMILTON, Ravalli, MT | FCE On-Site | State |
| 2018-09-28 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | FCE On-Site | State |
| 2018-09-17 | WESTERN SUGAR COOPERATIVE — high-priority violation on file | BILLINGS, Yellowstone, MT | PCE Off-Site | State |
| 2018-08-29 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | PCE Off-Site | State |
| 2018-08-27 | PHILLIPS 66 COMPANY - MISSOULA | MISSOULA, Missoula, MT | FCE On-Site | State |
| 2018-08-23 | MONTANA SULPHUR & CHEMICAL | BILLINGS, Yellowstone, MT | FCE Off-Site | State |
| 2018-07-23 | BILLINGS REFINERY | BILLINGS, Yellowstone, MT | PCE Off-Site | State |
| 2018-07-17 | WESTERN SUGAR COOPERATIVE — high-priority violation on file | BILLINGS, Yellowstone, MT | PCE Off-Site | State |
| 2018-07-16 | COLSTRIP STEAM ELECTRIC STATION | COLSTRIP, Rosebud, MT | FCE On-Site | State |
| 2018-06-12 | DIAMOND HILL MINE | TOWNSEND, Broadwater, MT | PCE Off-Site | State |
| 2018-06-05 | COLSTRIP STEAM ELECTRIC STATION | COLSTRIP, Rosebud, MT | FCE On-Site | State |
| 2018-04-24 | SUN MOUNTAIN LUMBER | DEER LODGE, Powell, MT | FCE On-Site | State |
| 2018-04-19 | ROCKY MOUNTAIN POWER | HARDIN, Big Horn, MT | FCE On-Site | State |
| 2018-04-10 | WESTERN SUGAR COOPERATIVE — high-priority violation on file | BILLINGS, Yellowstone, MT | PCE Off-Site | State |
| 2018-02-06 | MONTANA SILVERSMITHS INC | COLUMBUS, Stillwater, MT | PCE Off-Site | State |
Dates as filed by the agency that recorded the inspection. Figures from EPA’s ICIS-AIR download.