EPA Air · stack tests by county and year
Air-emissions stack tests in Delaware County, Ohio, 2024
- 13Stack 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 Delaware County, Ohio during 2024. 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 Delaware County facility page.
Delaware County, Ohio, 2024
Air-emissions stack tests in Delaware County, other years
Air-emissions stack tests recorded in Delaware County, Ohio, 2024
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2024-07-24 | MAR-ZANE PLANT #1 | Pass | State |
| 2024-05-29 | MAR-ZANE PLANT #1 | Fail | State |
| 2024-05-29 | MAR-ZANE PLANT #1 | Pass | State |
| 2024-05-07 | PPG INDUSTRIES - DELAWARE | Pass | State |
| 2024-05-07 | PPG INDUSTRIES - DELAWARE | Pass | State |
| 2024-05-07 | PPG INDUSTRIES - DELAWARE | Pass | State |
| 2024-05-07 | PPG INDUSTRIES - DELAWARE | Pass | State |
| 2024-04-17 | LIBERTY CASTING INC. — high-priority violation on file | Pass | State |
| 2024-04-17 | LIBERTY CASTING INC. — high-priority violation on file | Pass | State |
| 2024-04-17 | LIBERTY CASTING INC. — high-priority violation on file | Pass | State |
| 2024-04-17 | LIBERTY CASTING INC. — high-priority violation on file | Pass | State |
| 2024-04-04 | WORTHINGTON CYLINDER CORPORATION | Pass | State |
| 2024-03-21 | LIBERTY CASTING INC. — high-priority violation on file | Fail | State |
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 stack tests for Clean Air Act facilities in the EPA air register in Delaware county, OH, for 2024. It lists 13 stack tests recorded in 2024.