EPA Air · stack tests by county and year
Air-emissions stack tests in Licking County, Ohio, 2025
- 17Stack 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 Licking County, Ohio 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 Licking County facility page.
Licking County, Ohio, 2025
Air-emissions stack tests in Licking County, other years
Air-emissions stack tests recorded in Licking County, Ohio, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-12-11 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | Pass | State |
| 2025-12-11 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | Pass | State |
| 2025-12-11 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | Pass | State |
| 2025-12-11 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | Pass | State |
| 2025-12-11 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | Pass | State |
| 2025-12-11 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | Pass | State |
| 2025-12-11 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | Pass | State |
| 2025-12-11 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | Pass | State |
| 2025-12-11 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | Pass | State |
| 2025-12-11 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | Pass | State |
| 2025-12-11 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | Pass | State |
| 2025-12-11 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | Pass | State |
| 2025-12-11 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | Pass | State |
| 2025-12-11 | MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC. | Pass | State |
| 2025-12-04 | FREEPOINT ECO-SYSTEMS HEBRON | Fail | State |
| 2025-03-19 | OWENS CORNING INSULATING SYSTEMS, LLC | Pass | State |
| 2025-01-03 | ILLUMINATE USA 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.