EPA Air · stack tests by state, industry and year
Primary metal manufacturing (NAICS 3311): stack tests in Ohio, 2026
- 56Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row is one stack test recorded during 2026 at a Ohio source whose primary industry code is NAICS 3311. A facility filing more than one industry code is counted under the first one on its record.
Primary metal manufacturing (NAICS 3311) in Ohio, other years
Other industries in Ohio, 2026
- Oil and gas extraction (NAICS 2111) 488
- Pipeline transportation (NAICS 4862) 227
- Mining support (NAICS 2131) 156
- Utilities (NAICS 2212) 91
- Electrical equipment and appliance manufacturing (NAICS 3359) 75
- Waste management and remediation (NAICS 5622) 54
- Nonmetallic mineral product manufacturing (NAICS 3271) 38
- Nonmetallic mineral product manufacturing (NAICS 3272) 36
- Utilities (NAICS 2211) 32
- Chemical manufacturing (NAICS 3251) 27
- Primary metal manufacturing (NAICS 3315) 22
- Utilities (NAICS 2213) 19
- National security and international affairs (NAICS 9281) 14
- Plastics and rubber products manufacturing (NAICS 3262) 11
- Primary metal manufacturing (NAICS 3313) 11
- Warehousing and storage (NAICS 4931) 9
- Plastics and rubber products manufacturing (NAICS 3261) 8
- Transportation equipment manufacturing (NAICS 3361) 7
- Chemical manufacturing (NAICS 3255) 7
- Paper manufacturing (NAICS 3222) 6
- Food manufacturing (NAICS 3112) 6
- Nonmetallic mineral product manufacturing (NAICS 3274) 5
- Primary metal manufacturing (NAICS 3312) 5
- Educational services (NAICS 6113) 5
- Nonmetallic mineral product manufacturing (NAICS 3279) 5
- Petroleum and coal products manufacturing (NAICS 3241) 5
- Transportation equipment manufacturing (NAICS 3364) 5
- Chemical manufacturing (NAICS 3252) 4
- Fabricated metal product manufacturing (NAICS 3324) 4
- Wood product manufacturing (NAICS 3219) 3
- Professional, scientific and technical services (NAICS 5413) 3
- Repair and maintenance (NAICS 8113) 3
- Food manufacturing (NAICS 3115) 3
- Fabricated metal product manufacturing (NAICS 3328) 3
- Furniture and related product manufacturing (NAICS 3371) 3
Air-emissions stack tests recorded in Ohio, 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-06-25 | CLEVELAND-CLIFFS WARREN | WARREN, Trumbull, OH | Pass | State |
| 2026-05-19 | ERAMET MARIETTA, INC. — high-priority violation on file | MARIETTA, Washington, OH | Pass | State |
| 2026-05-19 | ERAMET MARIETTA, INC. — high-priority violation on file | MARIETTA, Washington, OH | Pass | State |
| 2026-05-19 | ERAMET MARIETTA, INC. — high-priority violation on file | MARIETTA, Washington, OH | Pass | State |
| 2026-05-11 | AMG VANADIUM LLC — high-priority violation on file | CAMBRIDGE, Guernsey, OH | Pass | State |
| 2026-05-11 | AMG VANADIUM LLC — high-priority violation on file | CAMBRIDGE, Guernsey, OH | Pass | State |
| 2026-05-11 | AMG VANADIUM LLC — high-priority violation on file | CAMBRIDGE, Guernsey, OH | Pass | State |
| 2026-05-11 | AMG VANADIUM LLC — high-priority violation on file | CAMBRIDGE, Guernsey, OH | Pass | State |
| 2026-05-11 | AMG VANADIUM LLC — high-priority violation on file | CAMBRIDGE, Guernsey, OH | Pass | State |
| 2026-05-11 | AMG VANADIUM LLC — high-priority violation on file | CAMBRIDGE, Guernsey, OH | Pass | State |
| 2026-05-11 | AMG VANADIUM LLC — high-priority violation on file | CAMBRIDGE, Guernsey, OH | Pass | State |
| 2026-05-07 | AMG VANADIUM LLC — high-priority violation on file | CAMBRIDGE, Guernsey, OH | Pass | State |
| 2026-05-07 | AMG VANADIUM LLC — high-priority violation on file | CAMBRIDGE, Guernsey, OH | Pass | State |
| 2026-04-15 | CLEVELAND-CLIFFS, INC. - MANSFIELD OPERATIONS | MANSFIELD, Richland, OH | Pass | State |
| 2026-04-15 | CLEVELAND-CLIFFS, INC. - MANSFIELD OPERATIONS | MANSFIELD, Richland, OH | Pass | State |
| 2026-04-14 | CLEVELAND-CLIFFS, INC. - MANSFIELD OPERATIONS | MANSFIELD, Richland, OH | Pass | State |
| 2026-04-08 | CLEVELAND-CLIFFS STEEL CORPORATION — high-priority violation on file | MIDDLETOWN, Butler, OH | Pass | State |
| 2026-04-08 | CLEVELAND-CLIFFS STEEL CORPORATION — high-priority violation on file | MIDDLETOWN, Butler, OH | Pass | State |
| 2026-03-27 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2026-03-27 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2026-03-27 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2026-03-27 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2026-03-27 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2026-03-27 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2026-03-27 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2026-03-27 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2026-03-27 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2026-03-27 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2026-03-27 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2026-03-27 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2026-03-27 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2026-03-27 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2026-03-27 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2026-03-27 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2026-03-27 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2026-03-27 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2026-03-27 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2026-03-27 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2026-03-27 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2026-03-27 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2026-03-27 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2026-03-27 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2026-02-10 | CLEVELAND-CLIFFS STEEL CORPORATION — high-priority violation on file | MIDDLETOWN, Butler, OH | Pass | State |
| 2026-02-10 | CLEVELAND-CLIFFS STEEL CORPORATION — high-priority violation on file | MIDDLETOWN, Butler, OH | Pass | State |
| 2026-01-15 | CLEVELAND-CLIFFS, INC. - MANSFIELD OPERATIONS | MANSFIELD, Richland, OH | Pass | State |
| 2026-01-15 | CLEVELAND-CLIFFS, INC. - MANSFIELD OPERATIONS | MANSFIELD, Richland, OH | Pass | State |
| 2026-01-15 | CLEVELAND-CLIFFS, INC. - MANSFIELD OPERATIONS | MANSFIELD, Richland, OH | Pass | State |
| 2026-01-15 | CLEVELAND-CLIFFS, INC. - MANSFIELD OPERATIONS | MANSFIELD, Richland, OH | Pass | State |
| 2026-01-15 | CLEVELAND-CLIFFS, INC. - MANSFIELD OPERATIONS | MANSFIELD, Richland, OH | Pass | State |
| 2026-01-15 | CLEVELAND-CLIFFS, INC. - MANSFIELD OPERATIONS | MANSFIELD, Richland, OH | Pass | State |
| 2026-01-15 | CLEVELAND-CLIFFS, INC. - MANSFIELD OPERATIONS | MANSFIELD, Richland, OH | Pass | State |
| 2026-01-15 | CLEVELAND-CLIFFS, INC. - MANSFIELD OPERATIONS | MANSFIELD, Richland, OH | Pass | State |
| 2026-01-15 | CLEVELAND-CLIFFS, INC. - MANSFIELD OPERATIONS | MANSFIELD, Richland, OH | Pass | State |
| 2026-01-15 | CLEVELAND-CLIFFS, INC. - MANSFIELD OPERATIONS | MANSFIELD, Richland, OH | Pass | State |
| 2026-01-15 | CLEVELAND-CLIFFS, INC. - MANSFIELD OPERATIONS | MANSFIELD, Richland, OH | Pass | State |
| 2026-01-15 | CLEVELAND-CLIFFS, INC. - MANSFIELD OPERATIONS | MANSFIELD, Richland, OH | Pass | State |
Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.