EPA Air · stack tests by county and year
Air-emissions stack tests in Tulsa County, Oklahoma, 2025
- 3Stack 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 Tulsa County, Oklahoma during 2025. 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 Tulsa County facility page.
Tulsa County, Oklahoma, 2025
Air-emissions stack tests in Tulsa County, other years
Air-emissions stack tests recorded in Tulsa County, Oklahoma, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-12-03 | HF SINCLAIR TULSA REFINING LLC / TULSA REFINERY EAST — high-priority violation on file | Pass | State |
| 2025-09-30 | HF SINCLAIR TULSA REFINING LLC / TULSA REFINERY EAST — high-priority violation on file | Pass | State |
| 2025-09-29 | HF SINCLAIR TULSA REFINING LLC / TULSA REFINERY EAST — 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 Tulsa county, OK, in 2025. Stack tests recorded in 2025: 3.