| source | facility | location |
| 0165000006 F001 | PICWAY POWER PLANT | LOCKBOURNE |
| 0204010000 F001 | CLEVELAND ELECTRIC ILLUMINATING CO., ASHTABULA PLANT | ASHTABULA |
| 0243160009 P901 | CLEVELAND ELECTRIC ILLUMINATING CO., EASTLAKE PLANT | EASTLAKE |
| 0247080049 F001 | EDGEWATER PLANT | LORAIN |
| 0247080229 F005 | REPUBLIC ENGINEERED PRODUCTS, INC | LORAIN |
| 0247080961 F001 | LORAIN TUBULAR COMPANY LLC | LORAIN |
| 0607090013 F001 | WHEELING-PITTSBURGH STEEL CORPORATION - MARTINS FERRY | MARTINS FERRY |
| 0607130015 F001 | R. E. BURGER PLANT | SHADYSIDE |
| 0607130015 F002 | R. E. BURGER PLANT | SHADYSIDE |
| 0616000000 F006 | CONESVILLE POWER PLANT | CONESVILLE |
| 0616000000 F013 | CONESVILLE POWER PLANT | CONESVILLE |
| 0616010006 F019 | CLOW WATER SYSTEMS COMPANY | COSHOCTON (TUSCARAWAS TWP.) |
| 0627010056 F003 | GAVIN POWER PLANT | CHESHIRE |
| 0641050002 F001 | CARDINAL POWER PLANT (CARDINAL OPERATING COMPANY) | BRILLIANT |
| 0641120012 F001 | WHEELING-PITTSBURGH STEEL CORPORATION - YORKVILLE PLANT | YORKVILLE |
| 0641160017 F001 | W. H. SAMMIS PLANT | STRATTON |
| 0641160017 F002 | W. H. SAMMIS PLANT | STRATTON |
| 0660010101 F023 | BURNHAM FOUNDRY | ZANESVILLE |
| 0684000000 F001 | MUSKINGUM RIVER POWER PLANT | WATERFORD |
| 0684000105 F001 | GLOBE METALLURGICAL INC. | WATERFORD |
| 1409010006 F001 | AK STEEL CORPORATION | MIDDLETOWN |
| 1576050694 F001 | REPUBLIC ENGINEERED PRODUCTS, INC. | CANTON |