EPA Air · stack tests by county and year
Air-emissions stack tests in Philadelphia County, Pennsylvania, 2026
- 22Stack 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 Philadelphia County, Pennsylvania during 2026. 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 Philadelphia County facility page.
Philadelphia County, Pennsylvania, 2026
Air-emissions stack tests in Philadelphia County, other years
Air-emissions stack tests recorded in Philadelphia County, Pennsylvania, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-08-04 | ADVANSIX (FORMERLY HONEYWELL/FRANKFORD PLT) — high-priority violation on file | Pending | Local |
| 2026-06-26 | ADVANSIX (FORMERLY HONEYWELL/FRANKFORD PLT) — high-priority violation on file | Pending | Local |
| 2026-06-25 | ADVANSIX (FORMERLY HONEYWELL/FRANKFORD PLT) — high-priority violation on file | Pending | Local |
| 2026-06-19 | ADVANSIX (FORMERLY HONEYWELL/FRANKFORD PLT) — high-priority violation on file | Pending | Local |
| 2026-06-17 | ADVANSIX (FORMERLY HONEYWELL/FRANKFORD PLT) — high-priority violation on file | Pending | Local |
| 2026-06-16 | ADVANSIX (FORMERLY HONEYWELL/FRANKFORD PLT) — high-priority violation on file | Pending | Local |
| 2026-05-22 | NORTHEAST WPCP/PHILA — high-priority violation on file | Pass | Local |
| 2026-05-21 | NORTHEAST WPCP/PHILA — high-priority violation on file | Pass | Local |
| 2026-05-20 | NORTHEAST WPCP/PHILA — high-priority violation on file | Pass | Local |
| 2026-05-19 | NORTHEAST WPCP/PHILA — high-priority violation on file | Pass | Local |
| 2026-04-01 | TEMPLE UNIV HEALTH SCIENCES CAMPUS/STEAM — high-priority violation on file | Pass | Local |
| 2026-03-23 | VICINITY ENERGY EDISON/PHILA — high-priority violation on file | Pending | Local |
| 2026-03-17 | TEMPLE UNIV/ MAIN CAMPUS — high-priority violation on file | Fail | Local |
| 2026-03-16 | TEMPLE UNIV/ MAIN CAMPUS — high-priority violation on file | Pass | Local |
| 2026-02-17 | COMMANDER NAVY REGION MIDATLANTIC/HOST S | Pass | Local |
| 2026-02-17 | COMMANDER NAVY REGION MIDATLANTIC/HOST S | Pass | Local |
| 2026-02-12 | NAVAL SURFACE WARFARE CENTER - PHILADELPHIA DIVISION | Pass | Local |
| 2026-02-11 | NAVAL SURFACE WARFARE CENTER - PHILADELPHIA DIVISION | Pass | Local |
| 2026-02-10 | AXALTA COATING SYSTEMS | Pass | Local |
| 2026-02-04 | TEMPLE UNIV/ MAIN CAMPUS — high-priority violation on file | Fail | Local |
| 2026-02-04 | TEMPLE UNIV/ MAIN CAMPUS — high-priority violation on file | Fail | Local |
| 2026-01-22 | NEWMAN & CO/PAPER RECYCLER — high-priority violation on file | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.