EPA Air · stack tests by county and year
Air-emissions stack tests in Douglas County, Wisconsin, 2022
- 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 Douglas County, Wisconsin during 2022. 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 Douglas County facility page.
Douglas County, Wisconsin, 2022
Air-emissions stack tests in Douglas County, other years
Air-emissions stack tests recorded in Douglas County, Wisconsin, 2022
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2022-12-30 | GRAYMONT (WI) LLC — high-priority violation on file | Fail | State |
| 2022-09-20 | GRAYMONT (WI) LLC — high-priority violation on file | Pass | State |
| 2022-09-03 | GENERAL MILLS OPERATIONS LLC | Pass | State |
| 2022-08-23 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | Pass | State |
| 2022-06-30 | GRAYMONT (WI) LLC — high-priority violation on file | Pass | State |
| 2022-04-26 | GENERAL MILLS OPERATIONS LLC | Pass | State |
| 2022-03-22 | GRAYMONT (WI) LLC — high-priority violation on file | Pass | State |
| 2022-02-16 | GRAYMONT (WI) LLC — high-priority violation on file | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.