EPA Air · stack tests by county and year
Air-emissions stack tests in Allegheny County, Pennsylvania, 2024
- 52Stack 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 Allegheny County, Pennsylvania during 2024. 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 Allegheny County facility page.
Allegheny County, Pennsylvania, 2024
Air-emissions stack tests in Allegheny County, other years
Air-emissions stack tests recorded in Allegheny County, Pennsylvania, 2024
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2024-12-19 | ALTA PERFORMANCE MATERIALS US, LLC | Pass | Local |
| 2024-12-12 | ALLEGHENY ENERGY SUPPLY/SPRINGDALE | Pass | Local |
| 2024-12-11 | ALLEGHENY ENERGY SUPPLY/SPRINGDALE | Pass | Local |
| 2024-11-14 | US STEEL CORP/IRVIN PLT | Pass | Local |
| 2024-10-31 | USS/CLAIRTON WORKS — high-priority violation on file | Fail | Local |
| 2024-09-19 | USS/CLAIRTON WORKS — high-priority violation on file | Pass | Local |
| 2024-09-13 | LIBERTY PULTRUSIONS/WEST MIFFLIN | Pass | Local |
| 2024-09-13 | LIBERTY PULTRUSIONS/WEST MIFFLIN | Pass | Local |
| 2024-09-12 | USS/CLAIRTON WORKS — high-priority violation on file | Pass | Local |
| 2024-08-29 | ALTA PERFORMANCE MATERIALS US, LLC | Fail | Local |
| 2024-08-06 | USS/CLAIRTON WORKS — high-priority violation on file | Fail | Local |
| 2024-08-05 | USS/CLAIRTON WORKS — high-priority violation on file | Fail | Local |
| 2024-07-26 | USS/CLAIRTON WORKS — high-priority violation on file | Fail | Local |
| 2024-07-24 | USS/CLAIRTON WORKS — high-priority violation on file | Fail | Local |
| 2024-07-12 | USS/CLAIRTON WORKS — high-priority violation on file | Pass | Local |
| 2024-07-11 | USS/CLAIRTON WORKS — high-priority violation on file | Pass | Local |
| 2024-07-11 | MCCONWAY & TORLEY LLC/STEEL CASTINGS MFG | Fail | Local |
| 2024-06-18 | NORTHEAST PAVING COMPANY / BRIDGEVILLE ASPHALT PLANT | Pass | Local |
| 2024-06-10 | ALLEGHENY CNTY SANI AUTH/ALLEGHENY CNTY | Pass | Local |
| 2024-06-05 | ALLEGHENY ENERGY SUPPLY/SPRINGDALE | Pass | Local |
| 2024-06-04 | USS/CLAIRTON WORKS — high-priority violation on file | Pass | Local |
| 2024-06-04 | ALLEGHENY ENERGY SUPPLY/SPRINGDALE | Pass | Local |
| 2024-05-22 | USS/CLAIRTON WORKS — high-priority violation on file | Pass | Local |
| 2024-05-16 | USS/CLAIRTON WORKS — high-priority violation on file | Pass | Local |
| 2024-04-25 | NRG POWER MIDWEST L.P../BRUNOT ISLE POWE | Pass | Local |
| 2024-04-24 | BUCKEYE PIPE LINE CO/CORAOPOLIS | Pass | Local |
| 2024-04-24 | NRG POWER MIDWEST L.P../BRUNOT ISLE POWE | Pass | Local |
| 2024-04-23 | NRG POWER MIDWEST L.P../BRUNOT ISLE POWE | Pass | Local |
| 2024-04-18 | KELLY RUN SANI/MSW LDFL | Pass | Local |
| 2024-04-10 | USS CORP/EDGAR THOMSON WORKS — high-priority violation on file | Pass | Local |
| 2024-04-05 | MCCONWAY & TORLEY LLC/STEEL CASTINGS MFG | Pass | Local |
| 2024-04-05 | MCCONWAY & TORLEY LLC/STEEL CASTINGS MFG | Pass | Local |
| 2024-03-14 | USS/CLAIRTON WORKS — high-priority violation on file | Pass | Local |
| 2024-03-13 | USS/CLAIRTON WORKS — high-priority violation on file | Pass | Local |
| 2024-03-12 | USS/CLAIRTON WORKS — high-priority violation on file | Pass | Local |
| 2024-03-07 | USS/CLAIRTON WORKS — high-priority violation on file | Pass | Local |
| 2024-03-05 | USS/CLAIRTON WORKS — high-priority violation on file | Pass | Local |
| 2024-02-27 | NRG ENERGY CTR PGH LLC/PGH | Pass | Local |
| 2024-02-21 | US STEEL CORP/IRVIN PLT | Pass | Local |
| 2024-02-21 | US STEEL CORP/IRVIN PLT | Pass | Local |
| 2024-02-08 | NRG ENERGY CTR PGH LLC/PGH | Pass | Local |
| 2024-02-06 | NRG ENERGY CTR PGH LLC/PGH | Pass | Local |
| 2024-02-01 | UNIV OF PGH/PGH CAMPUS | Pass | Local |
| 2024-01-31 | UNIV OF PGH/PGH CAMPUS | Pass | Local |
| 2024-01-31 | UNIV OF PGH/PGH CAMPUS | Pass | Local |
| 2024-01-26 | USS CORP/EDGAR THOMSON WORKS — high-priority violation on file | Pass | Local |
| 2024-01-25 | USS CORP/EDGAR THOMSON WORKS — high-priority violation on file | Pass | Local |
| 2024-01-23 | USS CORP/EDGAR THOMSON WORKS — high-priority violation on file | Pass | Local |
| 2024-01-23 | USS CORP/EDGAR THOMSON WORKS — high-priority violation on file | Fail | Local |
| 2024-01-11 | PPG IND INC/SPRINGDALE | Pass | Local |
| 2024-01-10 | PPG IND INC/SPRINGDALE | Pass | Local |
| 2024-01-05 | ALLEGHENY CNTY SANI AUTH/ALLEGHENY CNTY | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.