EPA Air · stack tests by county and year
Air-emissions stack tests in Richland County, Montana, 2020
- 12Stack 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 Richland County, Montana during 2020. 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 Richland County facility page.
Air-emissions stack tests in Richland County, other years
Air-emissions stack tests recorded in Richland County, Montana, 2020
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2020-12-16 | MDU - LEWIS & CLARK STATION | Pass | State |
| 2020-10-23 | MDU - LEWIS & CLARK STATION | Pass | State |
| 2020-09-17 | BAKKEN GATHERING PLANT | Pass | State |
| 2020-09-17 | BAKKEN GATHERING PLANT | Pass | State |
| 2020-09-17 | BAKKEN GATHERING PLANT | Pass | State |
| 2020-09-17 | BAKKEN GATHERING PLANT | Pass | State |
| 2020-07-29 | MDU - LEWIS & CLARK STATION | Pass | State |
| 2020-07-29 | MDU - LEWIS & CLARK STATION | Pass | State |
| 2020-07-29 | MDU - LEWIS & CLARK STATION | Pass | State |
| 2020-07-29 | MDU - LEWIS & CLARK STATION | Pass | State |
| 2020-04-21 | MDU - LEWIS & CLARK STATION | Pass | State |
| 2020-02-21 | MDU - LEWIS & CLARK STATION | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.
What this page shows
This page covers Clean Air Act facilities in the EPA air register, listing stack tests in Richland county, MT, for 2020. The stack tests recorded in 2020 are 12.