EPA Air · stack tests by county and year
Air-emissions stack tests in Natrona County, Wyoming, 2022
- 10Stack 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 Natrona County, Wyoming during 2022. 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 Natrona County facility page.
Natrona County, Wyoming, 2022
Air-emissions stack tests in Natrona County, other years
Air-emissions stack tests recorded in Natrona County, Wyoming, 2022
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2022-12-13 | CASPER REFINERY (HF SINCLAIR CASPER REFINING LLC) — high-priority violation on file | Pass | State |
| 2022-11-11 | CASPER REFINERY (HF SINCLAIR CASPER REFINING LLC) — high-priority violation on file | Pass | State |
| 2022-10-20 | CASPER SOLID WASTE MANAGEMENT FACILITY (CITY OF CASPER SOLID WASTE DIVISION) | Pass | State |
| 2022-10-18 | CASPER REFINERY (HF SINCLAIR CASPER REFINING LLC) — high-priority violation on file | Fail | State |
| 2022-10-17 | CASPER REFINERY (HF SINCLAIR CASPER REFINING LLC) — high-priority violation on file | Pass | State |
| 2022-10-13 | CASPER COMPRESSOR STATION (TALLGRASS INTERSTATE GAS TRANSMISSION) | Pass | State |
| 2022-09-20 | CASPER REFINERY (HF SINCLAIR CASPER REFINING LLC) — high-priority violation on file | Pass | State |
| 2022-08-25 | CASPER REFINERY (HF SINCLAIR CASPER REFINING LLC) — high-priority violation on file | Pending | State |
| 2022-02-18 | CASPER REFINERY (HF SINCLAIR CASPER REFINING LLC) — high-priority violation on file | Pass | State |
| 2022-01-28 | CASPER REFINERY (HF SINCLAIR CASPER REFINING 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.