EPA Air · stack tests by county and year
Air-emissions stack tests in Washtenaw County, Michigan, 2023
- 10Stack 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 Washtenaw County, Michigan 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 Washtenaw County facility page.
Washtenaw County, Michigan, 2023
- Inspections 39
Air-emissions stack tests in Washtenaw County, other years
Air-emissions stack tests recorded in Washtenaw County, Michigan, 2023
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2023-12-19 | UNIVERSITY OF MICHIGAN | Pass | State |
| 2023-10-31 | UNIVERSITY OF MICHIGAN | Pending | State |
| 2023-10-31 | UNIVERSITY OF MICHIGAN | Pass | State |
| 2023-10-18 | ARBOR HILLS LANDFILL, INC. — high-priority violation on file | Pass | State |
| 2023-09-27 | TOYOTA MOTOR NORTH AMERICA R&D | Pass | State |
| 2023-06-23 | UNIVERSITY OF MICHIGAN | Pending | State |
| 2023-06-01 | CONSUMERS ENERGY - FREEDOM COMPRESSOR STATION | Pass | State |
| 2023-05-23 | CONSUMERS ENERGY - FREEDOM COMPRESSOR STATION | Pass | State |
| 2023-05-09 | DTE GAS COMPANY - WILLOW RUN COMPRESSOR STATION | Pass | State |
| 2023-03-29 | DTE GAS COMPANY - WILLOW RUN COMPRESSOR STATION | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.