EPA Air · stack tests by county and year
Air-emissions stack tests in Chester County, Pennsylvania, 2023
- 13Stack 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 Chester County, Pennsylvania during 2023. 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 Chester County facility page.
Chester County, Pennsylvania, 2023
Air-emissions stack tests in Chester County, other years
Air-emissions stack tests recorded in Chester County, Pennsylvania, 2023
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2023-12-06 | TRANSCONTINENTAL GAS/FRAZER STA 200 | Pass | State |
| 2023-11-13 | LONGWOOD GARDENS/KENNETT SQUARE | Pass | State |
| 2023-11-07 | LOPAREX/MALVERN | Pass | State |
| 2023-09-22 | JOHNSON MATTHEY/WAYNE PLT | Pass | State |
| 2023-09-13 | CLEVELAND CLIFFS PLATE/COATESVILLE | Pass | State |
| 2023-08-17 | JOHNSON MATTHEY/WAYNE PLT | Fail | State |
| 2023-08-17 | JOHNSON MATTHEY/WAYNE PLT | Pass | State |
| 2023-04-07 | JOHNSON MATTHEY/WAYNE PLT | Pass | State |
| 2023-04-05 | JOHNSON MATTHEY/WAYNE PLT | Fail | State |
| 2023-03-22 | COLUMBIA GAS TRANS LLC/EAGLE | Pass | State |
| 2023-02-23 | LONGWOOD GARDENS/KENNETT SQUARE | Pass | State |
| 2023-01-25 | PEPPERIDGE FARM INC/DOWNINGTOWN | Pass | State |
| 2023-01-18 | CLEVELAND CLIFFS PLATE/COATESVILLE | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.