EPA Air · stack tests by county and year

Air-emissions stack tests in Marshall County, Mississippi, 2019

• 32Stack tests

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 Marshall County, Mississippi during 2019. 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 Marshall County facility page.

Air-emissions stack tests in Marshall County, other years

• 2025 3
• 2024 19
• 2023 4
• 2022 5
• 2021 8
• 2020 10
• 2017 10

Air-emissions stack tests recorded in Marshall County, Mississippi, 2019

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