EPA Air · stack tests by county and year
Air-emissions stack tests in Marquette County, Michigan, 2020
- 3Stack 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 Marquette County, Michigan during 2020. 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 Marquette County facility page.
Marquette County, Michigan, 2020
Air-emissions stack tests in Marquette County, other years
Air-emissions stack tests recorded in Marquette County, Michigan, 2020
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2020-05-12 | UPPER MICHIGAN ENERGY RESOURCES -F.D. KUESTER G.S. | Pass | State |
| 2020-05-12 | UPPER MICHIGAN ENERGY RESOURCES -F.D. KUESTER G.S. | Pass | State |
| 2020-03-03 | TILDEN MINING COMPANY LC | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.