EPA Air · stack tests by county, year by year

Air-emissions stack tests in Duplin County, North Carolina, year by year

• 4Stack tests

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

Duplin County, North Carolina, by year

• 2021 4

All sources in Duplin County →

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