EPA Air · stack tests by county and year
Air-emissions stack tests in Chester County, South Carolina, 2025
- 4Stack 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 Chester 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 Chester County facility page.
Chester County, South Carolina, 2025
Air-emissions stack tests in Chester County, other years
Air-emissions stack tests recorded in Chester County, South Carolina, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-12-17 | IKO MAT TECH INC - CHESTER FACILITY | Pass | State |
| 2025-08-20 | BOISE CASCADE WOOD PRODUCTS, LLC — high-priority violation on file | Pass | State |
| 2025-04-23 | GUARDIAN INDUSTRIES LLC | Pass | State |
| 2025-01-24 | BUILDING MATERIALS MANUFACTURING LLC | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.