Velarion Records

The 340B register and hospital finances — joined, watched daily, delivered.

EPA Air · stack tests by county and year

Air-emissions stack tests in Monroe County, Michigan, 2023

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 Monroe County, Michigan during 2023. 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 Monroe County facility page.

Monroe County, Michigan, 2023

Air-emissions stack tests in Monroe County, other years

Air-emissions stack tests recorded in Monroe County, Michigan, 2023

DateFacilityKindAgency
2023-12-20DTE ELECTRIC COMPANY - MONROE POWER PLANTPassState
2023-12-04DTE ELECTRIC COMPANY - MONROE POWER PLANTPendingState
2023-10-09DTE ELECTRIC COMPANY - MONROE POWER PLANTPendingState
2023-08-22DTE ELECTRIC COMPANY - MONROE POWER PLANTPendingState
2023-06-05GUARDIAN INDUSTRIES-CARLETONPassState
2023-01-10GERDAU MACSTEEL MONROE MILL — high-priority violation on filePassState

Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.