EPA Air · stack tests by county and year

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

126Stack 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 Cuyahoga 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 Cuyahoga County facility page.

Cuyahoga County, Ohio, 2023

Air-emissions stack tests in Cuyahoga County, other years

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

Date	Facility	Kind	Agency
2023-03-09	CLEVELAND CLINIC FOUNDATION	Pass	State
2023-03-08	CLEVELAND CLINIC FOUNDATION	Pass	State
2023-03-07	CLEVELAND CLINIC FOUNDATION	Pass	State
2023-03-07	CLEVELAND CLINIC FOUNDATION	Pass	State
2023-03-06	CLEVELAND CLINIC FOUNDATION	Pass	State
2023-02-15	THE MEDICAL CENTER COMPANY	Pass	State
2023-02-10	HOWMET AEROSPACE INC.	Pass	State
2023-02-10	HOWMET AEROSPACE INC.	Pass	State
2023-02-10	HOWMET AEROSPACE INC.	Pass	State
2023-02-10	HOWMET AEROSPACE INC.	Pass	State
2023-02-10	HOWMET AEROSPACE INC.	Pass	State
2023-02-10	HOWMET AEROSPACE INC.	Pass	State
2023-01-10	FEDERAL METAL CO	Pass	State
2023-01-10	FEDERAL METAL CO	Pass	State
2023-01-10	FEDERAL METAL CO	Pass	State
2023-01-10	FEDERAL METAL CO	Pass	State
2023-01-10	FEDERAL METAL CO	Pass	State
2023-01-10	FEDERAL METAL CO	Pass	State
2023-01-10	FEDERAL METAL CO	Pass	State
2023-01-10	FEDERAL METAL CO	Pass	State
2023-01-06	HOWMET AEROSPACE INC.	Pass	State
2023-01-06	HOWMET AEROSPACE INC.	Pass	State
2023-01-06	HOWMET AEROSPACE INC.	Pass	State
2023-01-06	HOWMET AEROSPACE INC.	Pass	State
2023-01-06	HOWMET AEROSPACE INC.	Pass	State
2023-01-06	HOWMET AEROSPACE INC.	Pass	State

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