EPA Air · stack tests by county and year
Air-emissions stack tests in Lyon County, Minnesota, 2021
- 3Stack 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 Lyon County, Minnesota during 2021. 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 Lyon County facility page.
Air-emissions stack tests in Lyon County, other years
Air-emissions stack tests recorded in Lyon County, Minnesota, 2021
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2021-11-23 | ADM - MARSHALL | Pass | State |
| 2021-08-17 | ADM - MARSHALL | Pass | State |
| 2021-08-10 | NORTHERN BORDER PIPELINE - COMPRESSOR 12 | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.