EPA Air · stack tests by county and year
Air-emissions stack tests in Roosevelt County, Montana, 2017
- 4Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row below is one stack test recorded against a source in Roosevelt County, Montana during 2017. A facility can appear several times: this is the year’s record of what happened, not a list of places. The sources themselves are on the Roosevelt County facility page.
Air-emissions stack tests in Roosevelt County, other years
Air-emissions stack tests recorded in Roosevelt County, Montana, 2017
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2017-11-14 | N. BORDER PIPELINE CO STA. 3 | Pass | State |
| 2017-11-14 | BASIN ELECTRIC POWER COOPERATIVE | Pass | State |
| 2017-06-14 | N. BORDER PIPELINE CO STA. 3 | Pass | State |
| 2017-04-13 | N. BORDER PIPELINE CO STA. 3 | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.