EPA Air · stack tests by county and year
Air-emissions stack tests in Dorchester County, South Carolina, 2025
- 11Stack 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 Dorchester County, South Carolina during 2025. 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 Dorchester County facility page.
Dorchester County, South Carolina, 2025
Air-emissions stack tests in Dorchester County, other years
Air-emissions stack tests recorded in Dorchester County, South Carolina, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-12-16 | DORCHESTER BIOMASS LLC | Pass | State |
| 2025-12-09 | RIDGEVILLE WOOD RECYCLING COMPOST FACILITY — high-priority violation on file | Pass | State |
| 2025-10-31 | DORCHESTER BIOMASS LLC | Pass | State |
| 2025-10-01 | RESONAC GRAPHITE AMERICA INC — high-priority violation on file | Pass | State |
| 2025-09-30 | RESONAC GRAPHITE AMERICA INC — high-priority violation on file | Pass | State |
| 2025-09-27 | HM SOUTHEAST CEMENT LLC | Pass | State |
| 2025-08-12 | QUIKRETE CONSTRUCTION MATERIALS, LLC — high-priority violation on file | Pass | State |
| 2025-07-08 | QUIKRETE CONSTRUCTION MATERIALS, LLC — high-priority violation on file | Fail | State |
| 2025-05-02 | LAUSCHA FIBER INTERNATIONAL | Pass | State |
| 2025-04-05 | QUIKRETE CONSTRUCTION MATERIALS, LLC — high-priority violation on file | Pass | State |
| 2025-02-28 | QUIKRETE CONSTRUCTION MATERIALS, LLC — high-priority violation on file | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.