EPA Air · stack tests by state, industry and year
Merchant wholesalers, nondurable goods (NAICS 4247): stack tests in Montana, 2026
- 3Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row is one stack test recorded during 2026 at a Montana source whose primary industry code is NAICS 4247. A facility filing more than one industry code is counted under the first one on its record.
Merchant wholesalers, nondurable goods (NAICS 4247) in Montana, other years
Other industries in Montana, 2026
- Utilities (NAICS 2211) 31
- Petroleum and coal products manufacturing (NAICS 3241) 29
- Pipeline transportation (NAICS 4862) 17
- Nonmetallic mineral product manufacturing (NAICS 3273) 5
- Mining support (NAICS 2131) 4
Air-emissions stack tests recorded in Montana, 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-06-24 | PAR MONTANA BULK TERMINAL | BILLINGS, Yellowstone, MT | Pass | State |
| 2026-05-07 | BILLINGS TRANSPORTATION OPERATIONS | BILLINGS, Yellowstone, MT | Pass | State |
| 2026-03-10 | BOZEMAN PRODUCT TERMINAL | BOZEMAN, Gallatin, MT | Pass | State |
Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.