Velarion Records

EPA Air · stack tests by county, year by year

Air-emissions stack tests in Merrick County, Nebraska, year by year

A stack test measures what a source actually emits, at the stack, against the limit in its permit. Every year on record for Merrick County, Nebraska, most recent first. Each year page lists the events recorded at sources in the county that year.

Merrick County, Nebraska, by year

All sources in Merrick County →

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