Velarion Records

EPA Air · stack tests by state, industry and year

Mining and quarrying (NAICS 2123): stack tests in South Carolina, 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 South Carolina source whose primary industry code is NAICS 2123. A facility filing more than one industry code is counted under the first one on its record.

Mining and quarrying (NAICS 2123) in South Carolina, other years

Other industries in South Carolina, 2025

Air-emissions stack tests recorded in South Carolina, 2025

DateFacilityWhereKindAgency
2025-08-01HM SEFA GROUP, LLC - SEFA WINYAH STAR FACILITYGEORGETOWN, Georgetown, SCPassState
2025-04-01HEIDELBERG MATERIALS SOUTHEAST AGG LLC - LOWRYS QUARRYMCCONNELLS, York, SCPassState
2025-03-05VULCAN CONSTRUCTION MATERIALS LLC LYMAN QUARRYWELLFORD, Spartanburg, SCPassState

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.

What this page shows

This page covers Clean Air Act facilities in the EPA air register with stack tests in SC for NAICS industry 2123 in 2025. It lists 3 stack tests recorded in 2025.