| source | facility | location |
| 0125100987 F005 | GRIFFIN WHEEL CO. - COLUMBUS PLANT | GROVEPORT |
| 0250110886 F001 | YOUNGSTOWN SINTER COMPANY | YOUNGSTOWN |
| 0278000463 F001 | WCI STEEL, INC. | HOWLAND/WEATHERSFIELD/WARREN |
| 0278080019 F001 | THOMAS STEEL STRIP CORP. | WARREN |
| 0363000002 F003 | LAFARGE/SYSTECH ENVIRONMENTAL CORP. | PAULDING |
| 0448010495 F005 | THE ANDERSONS RIVER ELEVATOR | TOLEDO |
| 0627000003 F001 | OHIO VALLEY ELECTRIC CORP., KYGER CREEK STATION | CHESHIRE |
| 0660010101 F023 | BURNHAM FOUNDRY | ZANESVILLE |
| 0701000007 F001 | DP&L, J.M. STUART GENERATING STATION | ABERDEEN |
| 0701000060 F003 | DP&L, KILLEN GENERATING STATION | MANCHESTER |
| 0857040018 Z125 | DELPHI AUTOMOTIVE SYSTEMS NEEDMORE OPERATIONS | DAYTON |
| 0857780013 F001 | DP&L, O.H. HUTCHINGS GENERATING STATION | MIAMISBURG |
| 1409010006 F001 | AK STEEL CORPORATION | MIDDLETOWN |