EPA Air · stack tests by county and year
Air-emissions stack tests in Midland County, Michigan, 2021
- 6Stack 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 Midland 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 Midland County facility page.
Midland County, Michigan, 2021
Air-emissions stack tests in Midland County, other years
Air-emissions stack tests recorded in Midland County, Michigan, 2021
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2021-11-18 | THE DOW CHEMICAL COMPANY U.S.A., MIDLAND — high-priority violation on file | Pass | State |
| 2021-10-19 | DOW SILICONES CORPORATION | Pass | State |
| 2021-08-24 | MIDLAND COGENERATION VENTURE — high-priority violation on file | Pass | State |
| 2021-07-08 | DDP SPECIALTY ELECTRONIC MATERIALS US, LLC | Pass | State |
| 2021-03-29 | THE DOW CHEMICAL COMPANY U.S.A., MIDLAND — high-priority violation on file | Pending | State |
| 2021-02-16 | CITY OF MIDLAND UTILITIES DIVISION | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.