EPA Air · stack tests by county and year
Air-emissions stack tests in Polk County, Minnesota, 2021
- 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 Polk 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 Polk County facility page.
Polk County, Minnesota, 2021
Air-emissions stack tests in Polk County, other years
Air-emissions stack tests recorded in Polk County, Minnesota, 2021
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2021-10-27 | AMERICAN CRYSTAL SUGAR - EAST GRAND FORKS | Pass | State |
| 2021-10-12 | AMERICAN CRYSTAL SUGAR - CROOKSTON | Pass | State |
| 2021-09-16 | AMERICAN CRYSTAL SUGAR - EAST GRAND FORKS | N/A | State |
| 2021-09-15 | AMERICAN CRYSTAL SUGAR - EAST GRAND FORKS | N/A | State |
| 2021-09-14 | AMERICAN CRYSTAL SUGAR - EAST GRAND FORKS | Pass | State |
| 2021-09-14 | RJ ZAVORAL AND SONS INC HMA PORTABLE PLANT 2 | Pass | State |
| 2021-08-24 | AMERICAN CRYSTAL SUGAR - EAST GRAND FORKS | Pass | State |
| 2021-05-26 | RJ ZAVORAL AND SONS INC HMA PORTABLE PLANT 1 | Pass | State |
| 2021-05-25 | RJ ZAVORAL AND SONS INC HMA PORTABLE PLANT 2 | Fail | State |
| 2021-03-16 | AMERICAN CRYSTAL SUGAR - EAST GRAND FORKS | Pass | State |
| 2021-03-16 | AMERICAN CRYSTAL SUGAR - EAST GRAND FORKS | Pass | State |
| 2021-01-13 | AMERICAN CRYSTAL SUGAR - EAST GRAND FORKS | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.