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 Mercer County, North Dakota, 2024

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 Mercer County, North Dakota during 2024. 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 Mercer County facility page.

Mercer County, North Dakota, 2024

Air-emissions stack tests in Mercer County, other years

Air-emissions stack tests recorded in Mercer County, North Dakota, 2024

DateFacilityKindAgency
2024-12-12DAKOTA GASIFICATION COMPANY (DGC) - GREAT PLAINS SYNFUELS PLANT - AQPassState
2024-08-27OTTER TAIL POWER COMPANY - COYOTE STATION - AQPassState
2024-08-27DAKOTA GASIFICATION COMPANY (DGC) - GREAT PLAINS SYNFUELS PLANT - AQPassState
2024-06-26DAKOTA GASIFICATION COMPANY (DGC) - GREAT PLAINS SYNFUELS PLANT - AQPassState
2024-02-06OTTER TAIL POWER COMPANY - COYOTE STATION - AQPassState

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