EPA Air · stack tests by county and year
Air-emissions stack tests in Fremont County, Colorado, 2024
- 4Stack 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 Fremont County, Colorado during 2024. 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 Fremont County facility page.
Fremont County, Colorado, 2024
- Inspections 11
Air-emissions stack tests in Fremont County, other years
Air-emissions stack tests recorded in Fremont County, Colorado, 2024
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2024-09-19 | AMRIZE PORTLAND PLANT — high-priority violation on file | Pass | State |
| 2024-07-12 | AMRIZE PORTLAND PLANT — high-priority violation on file | Pass | State |
| 2024-06-19 | AMRIZE PORTLAND PLANT — high-priority violation on file | Pass | State |
| 2024-06-18 | AMRIZE PORTLAND PLANT — high-priority violation on file | N/A | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.