EPA Air · stack tests by county and year
Air-emissions stack tests in Jefferson County, Pennsylvania, 2025
- 6Stack 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 Jefferson County, Pennsylvania 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 Jefferson County facility page.
Jefferson County, Pennsylvania, 2025
Air-emissions stack tests in Jefferson County, other years
Air-emissions stack tests recorded in Jefferson County, Pennsylvania, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-08-26 | EASTERN GAS TRANS & STORAGE/PUNXSUTAWNEY | Pass | State |
| 2025-08-26 | XTO ENERGY INC/WINSLOW | Fail | State |
| 2025-07-03 | COLUMBIA GAS TRANS LLC/IOWA COMP STA | Pass | State |
| 2025-05-05 | O-I GLASS INC/OWENS BROCKWAY GLASS CONTAINER PLT 19 | Pass | State |
| 2025-03-17 | DIVERSIFIED PROD LLC/BROOKVILLE SOUTH COMP STA | Pass | State |
| 2025-01-27 | DIVERSIFIED PROD LLC/PINE CREEK COMP STA | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.