EPA Air · stack tests by county and year
Air-emissions stack tests in Waukesha County, Wisconsin, 2021
- 7Stack 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 Waukesha County, Wisconsin 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 Waukesha County facility page.
Waukesha County, Wisconsin, 2021
Air-emissions stack tests in Waukesha County, other years
Air-emissions stack tests recorded in Waukesha County, Wisconsin, 2021
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2021-12-02 | CASTALLOY, INC. | Pass | State |
| 2021-11-18 | QUAD/GRAPHICS, INC | Pass | State |
| 2021-09-08 | CASTALLOY, INC. | N/A | State |
| 2021-08-09 | CASTALLOY, INC. | Pass | State |
| 2021-05-20 | CASTALLOY, INC. | Pass | State |
| 2021-03-25 | WMWI - OMEGA HILLS LANDFILL | Pass | State |
| 2021-02-25 | QUAD/GRAPHICS, INC | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.