EPA Air · stack tests by county and year
Air-emissions stack tests in Laramie County, Wyoming, 2024
- 81Stack 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 Laramie County, Wyoming 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 Laramie County facility page.
Laramie County, Wyoming, 2024
Air-emissions stack tests in Laramie County, other years
Air-emissions stack tests recorded in Laramie County, Wyoming, 2024
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2024-10-10 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-10-10 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-10-09 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-10-09 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-10-08 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-10-07 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-10-04 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-10-03 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-10-03 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-10-01 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-10-01 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-10-01 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-10-01 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-10-01 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-10-01 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-10-01 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-10-01 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-10-01 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-10-01 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-10-01 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-10-01 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-10-01 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-10-01 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-10-01 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-10-01 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-10-01 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-10-01 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-10-01 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-10-01 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-10-01 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-10-01 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-10-01 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-10-01 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-10-01 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-10-01 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-10-01 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-10-01 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-10-01 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-10-01 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-10-01 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-10-01 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-10-01 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-10-01 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-09-30 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-09-26 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-09-25 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-09-25 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-09-24 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-09-24 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-09-23 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-09-20 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-09-19 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | Pass | State |
| 2024-09-11 | CHEYENNE PLANT (DYNO NOBEL INC) — high-priority violation on file | Pass | State |
| 2024-09-11 | CHEYENNE PLANT (DYNO NOBEL INC) — high-priority violation on file | Pass | State |
| 2024-09-11 | CHEYENNE PLANT (DYNO NOBEL INC) — high-priority violation on file | Pass | State |
| 2024-09-11 | CHEYENNE PRAIRIE GENERATING STATION (CHEYENNE LIGHT FUEL & POWER) | Pass | State |
| 2024-09-11 | CHEYENNE PRAIRIE GENERATING STATION (CHEYENNE LIGHT FUEL & POWER) | Pass | State |
| 2024-09-11 | CHEYENNE PRAIRIE GENERATING STATION (CHEYENNE LIGHT FUEL & POWER) | Pass | State |
| 2024-09-10 | CHEYENNE PRAIRIE GENERATING STATION (CHEYENNE LIGHT FUEL & POWER) | Pass | State |
| 2024-09-10 | CHEYENNE PRAIRIE GENERATING STATION (CHEYENNE LIGHT FUEL & POWER) | Pass | State |
| 2024-09-10 | CHEYENNE PRAIRIE GENERATING STATION (CHEYENNE LIGHT FUEL & POWER) | Pass | State |
| 2024-09-09 | CHEYENNE PRAIRIE GENERATING STATION (CHEYENNE LIGHT FUEL & POWER) | Pass | State |
| 2024-09-09 | CHEYENNE PRAIRIE GENERATING STATION (CHEYENNE LIGHT FUEL & POWER) | Pass | State |
| 2024-05-09 | CHEYENNE PLANT (DYNO NOBEL INC) — high-priority violation on file | Pass | State |
| 2024-05-09 | CHEYENNE PLANT (DYNO NOBEL INC) — high-priority violation on file | Pass | State |
| 2024-05-09 | CHEYENNE PLANT (DYNO NOBEL INC) — high-priority violation on file | Pass | State |
| 2024-05-09 | CHEYENNE PLANT (DYNO NOBEL INC) — high-priority violation on file | Pass | State |
| 2024-05-09 | CHEYENNE PRAIRIE GENERATING STATION (CHEYENNE LIGHT FUEL & POWER) | Pass | State |
| 2024-05-09 | CHEYENNE PRAIRIE GENERATING STATION (CHEYENNE LIGHT FUEL & POWER) | Pass | State |
| 2024-05-09 | CHEYENNE PRAIRIE GENERATING STATION (CHEYENNE LIGHT FUEL & POWER) | Pass | State |
| 2024-05-09 | CHEYENNE PRAIRIE GENERATING STATION (CHEYENNE LIGHT FUEL & POWER) | Pass | State |
| 2024-05-08 | CHEYENNE PRAIRIE GENERATING STATION (CHEYENNE LIGHT FUEL & POWER) | Pass | State |
| 2024-05-08 | CHEYENNE PRAIRIE GENERATING STATION (CHEYENNE LIGHT FUEL & POWER) | Pass | State |
| 2024-03-28 | CHEYENNE RENEWABLE DIESEL COMPANY (CHEYENNE RENEWABLE DIESEL COMPANY LLC) | Pass | State |
| 2024-03-28 | CHEYENNE RENEWABLE DIESEL COMPANY (CHEYENNE RENEWABLE DIESEL COMPANY LLC) | Pass | State |
| 2024-03-28 | CHEYENNE RENEWABLE DIESEL COMPANY (CHEYENNE RENEWABLE DIESEL COMPANY LLC) | Pass | State |
| 2024-03-28 | CHEYENNE RENEWABLE DIESEL COMPANY (CHEYENNE RENEWABLE DIESEL COMPANY LLC) | Pass | State |
| 2024-03-28 | CHEYENNE RENEWABLE DIESEL COMPANY (CHEYENNE RENEWABLE DIESEL COMPANY LLC) | Pass | State |
| 2024-03-28 | CHEYENNE RENEWABLE DIESEL COMPANY (CHEYENNE RENEWABLE DIESEL COMPANY LLC) | Pass | State |
| 2024-03-28 | CHEYENNE RENEWABLE DIESEL COMPANY (CHEYENNE RENEWABLE DIESEL COMPANY LLC) | Pass | State |
| 2024-03-28 | CHEYENNE RENEWABLE DIESEL COMPANY (CHEYENNE RENEWABLE DIESEL COMPANY LLC) | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.