EPA Air · stack tests by state, industry and year

Primary metal manufacturing (NAICS 3311): stack tests in Michigan, 2023

9Stack tests

A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row is one stack test recorded during 2023 at a Michigan source whose primary industry code is NAICS 3311. A facility filing more than one industry code is counted under the first one on its record.

Primary metal manufacturing (NAICS 3311) in Michigan, other years

Other industries in Michigan, 2023

Air-emissions stack tests recorded in Michigan, 2023

Date	Facility	Where	Kind	Agency
2023-12-13	U S STEEL GREAT LAKES WORKS — high-priority violation on file	ECORSE, Wayne, MI	Pass	State
2023-11-21	CLEVELAND-CLIFFS STEEL CORPORATION DEARBORN WORKS	DEARBORN, Wayne, MI	Pass	State
2023-09-19	CLEVELAND-CLIFFS STEEL CORPORATION DEARBORN WORKS	DEARBORN, Wayne, MI	Pass	State
2023-08-17	CLEVELAND-CLIFFS STEEL CORPORATION DEARBORN WORKS	DEARBORN, Wayne, MI	Pass	State
2023-08-01	CLEVELAND-CLIFFS STEEL CORPORATION DEARBORN WORKS	DEARBORN, Wayne, MI	Fail	State
2023-05-23	CLEVELAND-CLIFFS STEEL CORPORATION DEARBORN WORKS	DEARBORN, Wayne, MI	Pass	State
2023-05-16	CLEVELAND-CLIFFS STEEL CORPORATION DEARBORN WORKS	DEARBORN, Wayne, MI	Pending	State
2023-03-23	U S STEEL GREAT LAKES WORKS — high-priority violation on file	ECORSE, Wayne, MI	Pass	State
2023-01-10	GERDAU MACSTEEL MONROE MILL — high-priority violation on file	MONROE, Monroe, MI	Pass	State

Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.