EPA Air · stack tests by county and year
Air-emissions stack tests in Guernsey County, Ohio, 2026
- 45Stack 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 Guernsey County, Ohio during 2026. 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 Guernsey County facility page.
Air-emissions stack tests in Guernsey County, other years
Air-emissions stack tests recorded in Guernsey County, Ohio, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-07-21 | EOG RESOURCES, INC. - BROOKFIELD CTB | Pass | State |
| 2026-07-21 | EOG RESOURCES, INC. - BROOKFIELD CTB | Pass | State |
| 2026-07-21 | EOG RESOURCES, INC. - BROOKFIELD CTB | Pass | State |
| 2026-06-15 | ASCENT RESOURCES - UTICA, LLC - CASTON 31-11N-7W | Pass | State |
| 2026-06-15 | ASCENT RESOURCES - UTICA, LLC - CASTON 31-11N-7W | Pass | State |
| 2026-06-15 | ASCENT RESOURCES - UTICA, LLC - CASTON 31-11N-7W | Pass | State |
| 2026-06-09 | BLUE RACER MIDSTREAM LLC - GUERNSEY CO FIELD STATION #1 | Pass | State |
| 2026-06-09 | BLUE RACER MIDSTREAM LLC - GUERNSEY CO FIELD STATION #1 | Pass | State |
| 2026-06-09 | BLUE RACER MIDSTREAM LLC - GUERNSEY CO FIELD STATION #1 | Pass | State |
| 2026-05-11 | AMG VANADIUM LLC — high-priority violation on file | Pass | State |
| 2026-05-11 | AMG VANADIUM LLC — high-priority violation on file | Pass | State |
| 2026-05-11 | AMG VANADIUM LLC — high-priority violation on file | Pass | State |
| 2026-05-11 | AMG VANADIUM LLC — high-priority violation on file | Pass | State |
| 2026-05-11 | AMG VANADIUM LLC — high-priority violation on file | Pass | State |
| 2026-05-11 | AMG VANADIUM LLC — high-priority violation on file | Pass | State |
| 2026-05-11 | AMG VANADIUM LLC — high-priority violation on file | Pass | State |
| 2026-05-07 | AMG VANADIUM LLC — high-priority violation on file | Pass | State |
| 2026-05-07 | AMG VANADIUM LLC — high-priority violation on file | Pass | State |
| 2026-04-21 | ASCENT RESOURCES - UTICA LLC - TARPLEY OXF GR | Pass | State |
| 2026-04-21 | ASCENT RESOURCES - UTICA LLC - TARPLEY OXF GR | Pass | State |
| 2026-04-21 | ASCENT RESOURCES - UTICA LLC - TARPLEY OXF GR | Pass | State |
| 2026-03-26 | ASCENT RESOURCES - UTICA LLC - LAVADA RCH GR | Pass | State |
| 2026-03-26 | ASCENT RESOURCES - UTICA LLC - LAVADA RCH GR | Pass | State |
| 2026-03-26 | ASCENT RESOURCES - UTICA LLC - LAVADA RCH GR | Pass | State |
| 2026-03-13 | BLUE RACER MIDSTREAM, LLC - HAYES STATION | Pass | State |
| 2026-03-13 | BLUE RACER MIDSTREAM, LLC - HAYES STATION | Pass | State |
| 2026-03-13 | BLUE RACER MIDSTREAM, LLC - HAYES STATION | Pass | State |
| 2026-03-11 | ENBRIDGE- NEW CAMBRIDGE COMPRESSOR STATION | Pass | State |
| 2026-03-11 | ENBRIDGE- NEW CAMBRIDGE COMPRESSOR STATION | Pass | State |
| 2026-03-11 | ENBRIDGE- NEW CAMBRIDGE COMPRESSOR STATION | Pass | State |
| 2026-03-11 | ENBRIDGE- NEW CAMBRIDGE COMPRESSOR STATION | Pass | State |
| 2026-03-11 | ENBRIDGE- NEW CAMBRIDGE COMPRESSOR STATION | Pass | State |
| 2026-03-11 | ENBRIDGE- NEW CAMBRIDGE COMPRESSOR STATION | Pass | State |
| 2026-03-10 | DOMINION RESOURCE SERVICES - SIRON | Pass | State |
| 2026-03-10 | DOMINION RESOURCE SERVICES - SIRON | Pass | State |
| 2026-03-10 | DOMINION RESOURCE SERVICES - SIRON | Pass | State |
| 2026-01-23 | EOG RESOURCES, INC. - BLUE BUTTERFLY GY VAL PAD | Pass | State |
| 2026-01-23 | EOG RESOURCES, INC. - BLUE BUTTERFLY GY VAL PAD | Pass | State |
| 2026-01-23 | EOG RESOURCES, INC. - BLUE BUTTERFLY GY VAL PAD | Pass | State |
| 2026-01-12 | EOG RESOURCES, INC - SPARKMAN GY CEN PAD | Pass | State |
| 2026-01-12 | EOG RESOURCES, INC - SPARKMAN GY CEN PAD | Pass | State |
| 2026-01-12 | EOG RESOURCES, INC - SPARKMAN GY CEN PAD | Pass | State |
| 2026-01-12 | EOG RESOURCES, INC. - WAGNER GY CEN PAD | Pass | State |
| 2026-01-12 | EOG RESOURCES, INC. - WAGNER GY CEN PAD | Pass | State |
| 2026-01-12 | EOG RESOURCES, INC. - WAGNER GY CEN PAD | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.