EPA Air · stack tests by county and year
Air-emissions stack tests in DuPage County, Illinois, 2021
- 6Stack 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 DuPage County, Illinois during 2021. 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 DuPage County facility page.
DuPage County, Illinois, 2021
Air-emissions stack tests in DuPage County, other years
Air-emissions stack tests recorded in DuPage County, Illinois, 2021
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2021-12-14 | BALES METAL SURFACE SOLUTIONS | Pass | State |
| 2021-11-16 | HINSDALE HOSPITAL | Pass | State |
| 2021-10-15 | 4513 WESTERN AVENUE LLC | Pass | State |
| 2021-09-16 | GOOD SAMARITAN HOSPITAL | Pass | State |
| 2021-08-19 | MOLEX LLC | Pass | State |
| 2021-07-16 | COLLEGE OF DUPAGE | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.