EPA Air · stack tests by county and year
Air-emissions stack tests in Knox County, Maine, 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 Knox County, Maine 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 Knox County facility page.
Knox County, Maine, 2021
- Inspections 32
Air-emissions stack tests in Knox County, other years
Air-emissions stack tests recorded in Knox County, Maine, 2021
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2021-08-24 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | Pass | State |
| 2021-08-24 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | Pass | State |
| 2021-06-24 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | Pass | State |
| 2021-06-23 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | Pass | State |
| 2021-06-22 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | Pass | State |
| 2021-06-21 | HEIDELBERG MATERIALS US CEMENT LLC — 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.
What this page shows
This page covers Clean Air Act facilities in the EPA air register with stack tests in Knox county, ME, for 2021. It lists 6 stack tests recorded in 2021.