EPA Air · stack tests by county and year

Air-emissions stack tests in Mahoning County, Ohio, 2023

41Stack 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 Mahoning County, Ohio during 2023. 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 Mahoning County facility page.

Mahoning County, Ohio, 2023

Air-emissions stack tests in Mahoning County, other years

Air-emissions stack tests recorded in Mahoning County, Ohio, 2023

Date	Facility	Kind	Agency
2023-12-14	TRIVIUM ALUMINUM PACKAGING USA CORPORATION	Pass	State
2023-10-31	LIMESTONE RNG HIGH BTU FACILITY — high-priority violation on file	Pass	State
2023-10-31	LIMESTONE RNG HIGH BTU FACILITY — high-priority violation on file	Pass	State
2023-10-17	YOUNGSTOWN STATE UNIVERSITY	Pass	State
2023-10-13	VALLOUREC STAR, LP	Pass	State
2023-10-13	VALLOUREC STAR, LP	Pass	State
2023-10-13	VALLOUREC STAR, LP	Pass	State
2023-10-13	VALLOUREC STAR, LP	Pass	State
2023-10-13	VALLOUREC STAR, LP	Pass	State
2023-10-13	VALLOUREC STAR, LP	Pass	State
2023-10-13	VALLOUREC STAR, LP	Pass	State
2023-10-13	VALLOUREC STAR, LP	Pass	State
2023-10-13	VALLOUREC STAR, LP	Pass	State
2023-10-13	VALLOUREC STAR, LP	Pass	State
2023-08-30	TRIVIUM ALUMINUM PACKAGING USA CORPORATION	Pass	State
2023-08-30	TRIVIUM ALUMINUM PACKAGING USA CORPORATION	Pass	State
2023-08-29	MPLX TERMINALS LLC - YOUNGSTOWN TERMINAL	Pass	State
2023-08-01	VALLOUREC STAR, LP	Pass	State
2023-08-01	VALLOUREC STAR, LP	Pass	State
2023-08-01	VALLOUREC STAR, LP	Pass	State
2023-06-23	HILCORP ENERGY - POLAND-CLL PRODUCTION FACILITY	Pass	State
2023-06-23	HILCORP ENERGY - POLAND-CLL PRODUCTION FACILITY	Pass	State
2023-06-23	HILCORP ENERGY - POLAND-CLL PRODUCTION FACILITY	Pass	State
2023-04-20	TRIVIUM ALUMINUM PACKAGING USA CORPORATION	Pass	State
2023-04-20	TRIVIUM ALUMINUM PACKAGING USA CORPORATION	Pass	State
2023-03-16	TRIVIUM ALUMINUM PACKAGING USA CORPORATION	Pass	State
2023-02-21	MAHONING LANDFILL, INC.	Pass	State
2023-02-21	MAHONING LANDFILL, INC.	Pass	State
2023-02-21	MAHONING LANDFILL, INC.	Pass	State
2023-02-21	MAHONING LANDFILL, INC.	Pass	State
2023-02-21	MAHONING LANDFILL, INC.	Pass	State
2023-02-21	MAHONING LANDFILL, INC.	Pass	State
2023-02-21	MAHONING LANDFILL, INC.	Pass	State
2023-02-21	MAHONING LANDFILL, INC.	Pass	State
2023-02-21	MAHONING LANDFILL, INC.	Pass	State
2023-02-21	MAHONING LANDFILL, INC.	Pass	State
2023-02-21	MAHONING LANDFILL, INC.	Pass	State
2023-02-21	MAHONING LANDFILL, INC.	Pass	State
2023-02-21	MAHONING LANDFILL, INC.	Pass	State
2023-02-21	MAHONING LANDFILL, INC.	Pass	State
2023-02-21	MAHONING LANDFILL, INC.	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 stack tests at Clean Air Act facilities in the EPA air register for Mahoning county, OH, in 2023. It lists 41 stack tests recorded in 2023.