EPA Air · stack tests by county and year

Air-emissions stack tests in Cobb County, Georgia, 2025

34Stack 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 Cobb County, Georgia 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 Cobb County facility page.

Cobb County, Georgia, 2025

Air-emissions stack tests in Cobb County, other years

Air-emissions stack tests recorded in Cobb County, Georgia, 2025

Date	Facility	Kind	Agency
2025-12-10	STERIGENICS U.S. LLC	Pass	State
2025-11-12	CONCORDE/INTERSPACE BATTERY GEORGIA CORPORATION	Pass	State
2025-11-11	CONCORDE/INTERSPACE BATTERY GEORGIA CORPORATION	Pass	State
2025-11-11	CONCORDE/INTERSPACE BATTERY GEORGIA CORPORATION	Pass	State
2025-11-10	CONCORDE/INTERSPACE BATTERY GEORGIA CORPORATION	Pass	State
2025-11-10	CONCORDE/INTERSPACE BATTERY GEORGIA CORPORATION	Pass	State
2025-10-16	STERIGENICS U.S. LLC	Pass	State
2025-10-07	CARAUSTAR INDUSTRIES, INC.	Pass	State
2025-09-03	GEORGIA POWER CO. - PLANT MCDONOUGH- ATKINSON	Pass	State
2025-09-03	GEORGIA POWER CO. - PLANT MCDONOUGH- ATKINSON	Pass	State
2025-09-03	BALDWIN PAVING CO., INC. - KENNESAW PLANT	Pass	State
2025-08-21	GEORGIA POWER CO. - PLANT MCDONOUGH- ATKINSON	Pass	State
2025-08-20	GEORGIA POWER CO. - PLANT MCDONOUGH- ATKINSON	Pass	State
2025-08-20	GEORGIA POWER CO. - PLANT MCDONOUGH- ATKINSON	Pass	State
2025-08-19	GEORGIA POWER CO. - PLANT MCDONOUGH- ATKINSON	Pass	State
2025-07-10	GEORGIA POWER CO. - PLANT MCDONOUGH- ATKINSON	Pass	State
2025-07-10	GEORGIA POWER CO. - PLANT MCDONOUGH- ATKINSON	Pass	State
2025-07-10	GEORGIA POWER CO. - PLANT MCDONOUGH- ATKINSON	Pass	State
2025-07-10	GEORGIA POWER CO. - PLANT MCDONOUGH- ATKINSON	Pass	State
2025-07-10	CONCORDE/INTERSPACE BATTERY GEORGIA CORPORATION	Pass	State
2025-07-09	GEORGIA POWER CO. - PLANT MCDONOUGH- ATKINSON	Pass	State
2025-07-09	GEORGIA POWER CO. - PLANT MCDONOUGH- ATKINSON	Pass	State
2025-07-09	GEORGIA POWER CO. - PLANT MCDONOUGH- ATKINSON	Pass	State
2025-07-09	GEORGIA POWER CO. - PLANT MCDONOUGH- ATKINSON	Pass	State
2025-07-08	GEORGIA POWER CO. - PLANT MCDONOUGH- ATKINSON	Pass	State
2025-07-08	GEORGIA POWER CO. - PLANT MCDONOUGH- ATKINSON	Pass	State
2025-07-08	GEORGIA POWER CO. - PLANT MCDONOUGH- ATKINSON	Pass	State
2025-07-08	GEORGIA POWER CO. - PLANT MCDONOUGH- ATKINSON	Pass	State
2025-07-01	BALDWIN PAVING CO., INC. - KENNESAW PLANT	Fail	State
2025-07-01	RRD AUSTELL	Pass	State
2025-03-20	LOCKHEED MARTIN AERONAUTICS CO.	Pass	State
2025-03-19	LOCKHEED MARTIN AERONAUTICS CO.	Pass	State
2025-03-18	LOCKHEED MARTIN AERONAUTICS CO.	Pass	State
2025-01-15	COLONIAL TERMINALS OPERATING CO., LLC - AUSTELL TERMINAL	Pass	State

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 Cobb county, GA, for 2025. It lists 34 stack tests recorded in 2025.