EPA Air · stack tests by county and year
Air-emissions stack tests in Warren County, Pennsylvania, 2021
- 8Stack 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 Warren County, Pennsylvania 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 Warren County facility page.
Warren County, Pennsylvania, 2021
Air-emissions stack tests in Warren County, other years
Air-emissions stack tests recorded in Warren County, Pennsylvania, 2021
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2021-12-14 | UNITED REFINING CO/WARREN PLT | Pass | State |
| 2021-11-09 | MAUSER USA LLC/WARREN PLT | Pass | State |
| 2021-09-09 | UNITED REFINING CO/WARREN PLT | Pass | State |
| 2021-09-01 | NATL FUEL GAS SUPPLY CORP/ROYSTONE COMP STA | Pass | State |
| 2021-05-06 | UNITED REFINING CO/WARREN PLT | Pass | State |
| 2021-02-26 | UNITED REFINING CO/WARREN PLT | Pass | State |
| 2021-02-25 | UNITED REFINING CO/WARREN PLT | Pass | State |
| 2021-02-08 | NATL FUEL GAS SUPPLY CORP/ROYSTONE COMP STA | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.