EPA Air · stack tests by county and year
Air-emissions stack tests in Richland County, Montana, 2018
- 8Stack 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 2018. 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, 2018
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2018-11-20 | MDU - LEWIS & CLARK STATION | Pass | State |
| 2018-08-06 | MDU - LEWIS & CLARK STATION | Pass | State |
| 2018-08-06 | MDU - LEWIS & CLARK STATION | Pass | State |
| 2018-07-30 | MDU - LEWIS & CLARK STATION | Pass | State |
| 2018-07-30 | MDU - LEWIS & CLARK STATION | Pass | State |
| 2018-04-30 | MDU - LEWIS & CLARK STATION | Pass | State |
| 2018-04-30 | MDU - LEWIS & CLARK STATION | Pass | State |
| 2018-04-09 | MDU - LEWIS & CLARK STATION | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.