Velarion Records

EPA Air · stack tests by county and year

Air-emissions stack tests in Mercer County, North Dakota, 2020

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 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 Mercer County facility page.

Mercer County, North Dakota, 2020

Air-emissions stack tests in Mercer County, other years

Air-emissions stack tests recorded in Mercer County, North Dakota, 2020

DateFacilityKindAgency
2020-08-05BASIN ELECTRIC POWER COOPERATIVE - ANTELOPE VALLEY STATION (AVS) - AQPassState
2020-07-22BASIN ELECTRIC POWER COOPERATIVE - LELAND OLDS STATION (LOS) - AQPassState
2020-04-20DAKOTA GASIFICATION COMPANY (DGC) - GREAT PLAINS SYNFUELS PLANT - AQPassState

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

What this page shows

This page covers Clean Air Act facilities in the EPA air register with stack tests in Mercer county, ND, in 2020. It lists 3 stack tests recorded in 2020.