EPA Air · stack tests by county and year
Air-emissions stack tests in Chester County, Pennsylvania, 2017
- 8Stack 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 2017. 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, 2017
Air-emissions stack tests in Chester County, other years
Air-emissions stack tests recorded in Chester County, Pennsylvania, 2017
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2017-10-31 | JOHNSON MATTHEY INC/WEST WHITELAND | Fail | State |
| 2017-10-06 | JOHNSON MATTHEY/WAYNE PLT | Pass | State |
| 2017-08-30 | HIGHWAY MATERIALS INC/MALVERN PLT 13 | Pass | State |
| 2017-08-10 | SECCRA LDFL/LONDON GROVE TWP | Pass | State |
| 2017-08-01 | ALLAN MYERS LP/DEVAULT ASPHALT PLANT | Fail | State |
| 2017-06-29 | CLEVELAND CLIFFS PLATE/COATESVILLE | Pass | State |
| 2017-04-21 | HERR FOODS INC/NOTTINGHAM | Pass | State |
| 2017-02-21 | PACER IND/VALLEY TWP | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.