EPA Air · stack tests by county and year
Air-emissions stack tests in Alpena County, Michigan, 2021
- 5Stack 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 Alpena 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 Alpena County facility page.
Alpena County, Michigan, 2021
- Inspections 11
Air-emissions stack tests in Alpena County, other years
Air-emissions stack tests recorded in Alpena County, Michigan, 2021
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2021-12-23 | AMRIZE CEMENT INC. — high-priority violation on file | Pending | State |
| 2021-09-08 | AMRIZE CEMENT INC. — high-priority violation on file | Pass | State |
| 2021-07-29 | AMRIZE CEMENT INC. — high-priority violation on file | Pass | State |
| 2021-05-18 | AMRIZE CEMENT INC. — high-priority violation on file | Pass | State |
| 2021-03-11 | AMRIZE CEMENT INC. — 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.