EPA Air · stack tests by county and year
Air-emissions stack tests in Chester County, Pennsylvania, 2022
- 10Stack 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 2022. 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, 2022
Air-emissions stack tests in Chester County, other years
Air-emissions stack tests recorded in Chester County, Pennsylvania, 2022
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2022-11-22 | COLUMBIA GAS TRANS LLC/EAGLE | Fail | State |
| 2022-11-01 | JOHNSON MATTHEY/WAYNE PLT | Fail | State |
| 2022-09-30 | JOHNSON MATTHEY INC/WEST WHITELAND | Pass | State |
| 2022-08-24 | ALLAN MYERS LP/DEVAULT ASPHALT PLANT | Pass | State |
| 2022-08-23 | JOHNSON MATTHEY INC/WEST WHITELAND | Pass | State |
| 2022-08-09 | HIGHWAY MATERIALS INC/MALVERN PLT 13 | Pass | State |
| 2022-04-29 | HERR FOODS INC/NOTTINGHAM | Pass | State |
| 2022-03-09 | COLUMBIA GAS TRANS LLC/EAGLE | Pass | State |
| 2022-02-16 | BAKERY FEEDS/HONEY BROOK | Pass | State |
| 2022-01-20 | AGC CHEM AMER INC/THORNDALE | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.