Velarion Records

EPA Air · stack tests by county and year

Air-emissions stack tests in Barry County, Missouri, 2025

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 Barry County, Missouri during 2025. 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 Barry County facility page.

Barry County, Missouri, 2025

Air-emissions stack tests recorded in Barry County, Missouri, 2025

DateFacilityKindAgency
2025-07-09EFCO CORPORATIONPassState
2025-04-15EFCO CORPORATIONPassState
2025-04-15EFCO CORPORATIONFailState

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 Barry county, MO, for 2025. Stack tests recorded in 2025: 3.