EPA Air · stack tests by county, year by year
Air-emissions stack tests in Undetermined County, North Dakota, year by year
- 120Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Every year on record for Undetermined County, North Dakota, most recent first. Each year page lists the events recorded at sources in the county that year.
Undetermined County, North Dakota, by year
All sources in Undetermined County →
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.