EPA Air · stack tests by county and year
Air-emissions stack tests in Tuscola County, Michigan, 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 Tuscola County, Michigan 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 Tuscola County facility page.
Tuscola County, Michigan, 2021
Air-emissions stack tests in Tuscola County, other years
Air-emissions stack tests recorded in Tuscola County, Michigan, 2021
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2021-06-30 | DTE ELECTRIC COMPANY - PUTNAM PEAKING FACILITY | Pass | State |
| 2021-06-08 | DTE ELECTRIC COMPANY - WILMOT PEAKING FACILITY | Pass | State |
| 2021-04-14 | QUALITY ROASTING, LLC | Fail | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.