EPA Air · stack tests by county and year
Air-emissions stack tests in Douglas County, Minnesota, 2023
- 4Stack 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, Minnesota during 2023. 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.
Air-emissions stack tests in Douglas County, other years
Air-emissions stack tests recorded in Douglas County, Minnesota, 2023
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2023-08-23 | CENTRAL SPECIALTIES INC - PLANT 5 | Pass | State |
| 2023-08-22 | CENTRAL SPECIALTIES INC - PLANT 3 | Pass | State |
| 2023-06-20 | MARK LEE ASPHALT INC | Pass | State |
| 2023-06-08 | CENTRAL SPECIALTIES INC - PLANT 4 | Fail | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.