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EPA Air · stack tests by state, industry and year

Nonmetallic mineral product manufacturing (NAICS 3273): stack tests in Michigan, 2025

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 2025 at a Michigan source whose primary industry code is NAICS 3273. A facility filing more than one industry code is counted under the first one on its record.

Nonmetallic mineral product manufacturing (NAICS 3273) in Michigan, other years

Other industries in Michigan, 2025

Air-emissions stack tests recorded in Michigan, 2025

DateFacilityWhereKindAgency
2025-12-19AMRIZE CEMENT INC. — high-priority violation on fileALPENA, Alpena, MIPassState
2025-11-25AMRIZE CEMENT INC. — high-priority violation on fileALPENA, Alpena, MIPassState
2025-11-18ST MARYS CEMENT U.S. LLC, CHARLEVOIX PLANTCHARLEVOIX, Charlevoix, MIPassState
2025-11-17AMRIZE CEMENT INC. — high-priority violation on fileALPENA, Alpena, MIPassState
2025-11-12ST MARYS CEMENT U.S. LLC, CHARLEVOIX PLANTCHARLEVOIX, Charlevoix, MIFailState
2025-10-28AMRIZE CEMENT INC. — high-priority violation on fileALPENA, Alpena, MIPassState
2025-10-15ST MARYS CEMENT U.S. LLC, CHARLEVOIX PLANTCHARLEVOIX, Charlevoix, MIPassState
2025-10-01AMRIZE CEMENT INC. — high-priority violation on fileALPENA, Alpena, MIPassState
2025-09-10ST MARYS CEMENT U.S. LLC, CHARLEVOIX PLANTCHARLEVOIX, Charlevoix, MIPassState
2025-08-26ST MARYS CEMENT U.S. LLC, CHARLEVOIX PLANTCHARLEVOIX, Charlevoix, MIFailState
2025-07-30AMRIZE CEMENT INC. — high-priority violation on fileALPENA, Alpena, MIPassState
2025-07-29AMRIZE CEMENT INC. — high-priority violation on fileALPENA, Alpena, MIPassState
2025-07-17AMRIZE CEMENT INC. — high-priority violation on fileALPENA, Alpena, MIPassState
2025-07-17AMRIZE CEMENT INC. — high-priority violation on fileALPENA, Alpena, MIPassState
2025-07-10AMRIZE CEMENT INC. — high-priority violation on fileALPENA, Alpena, MIPassState
2025-04-29ST MARYS CEMENT U.S. LLC, CHARLEVOIX PLANTCHARLEVOIX, Charlevoix, MIPassState
2025-04-11AMRIZE CEMENT INC. — high-priority violation on fileALPENA, Alpena, MIPassState

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.