| source | facility | location |
| 0125040057 F001 | DELPHI INTERIOR & LIGHTING SYSTEMS, COLUMBUS OPERATIONS | COLUMBUS |
| 0165000006 F001 | PICWAY POWER PLANT | LOCKBOURNE |
| 0204010000 F001 | CLEVELAND ELECTRIC ILLUMINATING CO., ASHTABULA PLANT | ASHTABULA |
| 0215010014 F001 | SHUT D - NATIONAL REFRACTORIES AND MINERALS CORP | COLUMBIANA |
| 0243030257 F001 | CARMEUSE LIME, INC - GRAND RIVER OPERATIONS | GRAND RIVER |
| 0247000760 F001 | BFI - LORAIN COUNTY FACILITIES | OBERLIN |
| 0247080049 F001 | EDGEWATER PLANT | LORAIN |
| 0247080229 F005 | REPUBLIC ENGINEERED PRODUCTS, INC | LORAIN |
| 0247080961 F001 | LORAIN TUBULAR COMPANY LLC | LORAIN |
| 0250070850 F001 | CARBON LIMESTONE SANITARY LANDFILL | LOWELLVILLE |
| 0250110316 F001 | PARKER GEAR PUMP DIVISION | YOUNGSTOWN |
| 0250110464 F001 | SHUT D - MAVERICK TUBE CORP | YOUNGSTOWN |
| 0250110625 F001 | V & M STAR | YOUNGSTOWN |
| 0250110886 F001 | YOUNGSTOWN SINTER COMPANY | YOUNGSTOWN |
| 0278000025 Z004 | ELLWOOD ENGINEERED CASTINGS | HUBBARD |
| 0278000463 F001 | WCI STEEL, INC. | HOWLAND/WEATHERSFIELD/WARREN |
| 0278000648 F002 | ISG WARREN INC. | CLEVELAND |
| 0278060023 F004 | NILES PLANT | NILES |
| 0278080019 F001 | THOMAS STEEL STRIP CORP. | WARREN |
| 0322020044 F004 | G. & C. FOUNDRY CO. | SANDUSKY |
| 0362010118 F001 | OTTAWA COUNTY LANDFILL | PORT CLINTON |
| 0363000002 F003 | LAFARGE/SYSTECH ENVIRONMENTAL CORP. | PAULDING |
| 0370010023 F002 | AK STEEL CORPORATION | MANSFIELD |
| 0448010495 F005 | THE ANDERSONS RIVER ELEVATOR | TOLEDO |
| 0607090013 F001 | WHEELING-PITTSBURGH STEEL CORPORATION - MARTINS FERRY | MARTINS FERRY |
| 0607130015 F001 | 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.) |
| 0627000003 F001 | OHIO VALLEY ELECTRIC CORP., KYGER CREEK STATION | CHESHIRE |
| 0627010056 F003 | GAVIN POWER PLANT | CHESHIRE |
| 0640020059 F001 | BEECH HOLLOW SANITARY LANDFILL | WELLSTON |
| 0641050002 F001 | CARDINAL POWER PLANT (CARDINAL OPERATING COMPANY) | BRILLIANT |
| 0641090010 F001 | WHEELING-PITTSBURGH STEEL CORPORATION - STEUBENVILLE | STEUBENVILLE |
| 0641090010 F101 | WHEELING-PITTSBURGH STEEL CORPORATION - STEUBENVILLE | STEUBENVILLE |
| 0641120012 F001 | WHEELING-PITTSBURGH STEEL CORPORATION - YORKVILLE PLANT | YORKVILLE |
| 0641160017 F001 | W. H. SAMMIS PLANT | STRATTON |
| 0660010006 F001 | AK STEEL - ZANESVILLE WORKS | ZANESVILLE |
| 0684000000 F001 | MUSKINGUM RIVER POWER PLANT | WATERFORD |
| 0684000105 F001 | GLOBE METALLURGICAL INC. | WATERFORD |
| 0684020006 F001 | ERAMET MARIETTA, INC. | MARIETTA |
| 0684020006 Z002 | ERAMET MARIETTA, INC. | MARIETTA |
| 0701000007 F001 | DP&L, J.M. STUART GENERATING STATION | ABERDEEN |
| 0701000060 F003 | DP&L, KILLEN GENERATING STATION | MANCHESTER |
| 0708000033 F002 | RUMPKE SANITARY LANDFILL - BROWN COUNTY | GEORGETOWN |
| 0829700165 F102 | CEMEX, INC. | XENIA |
| 0829700165 F106 | CEMEX, INC. | XENIA |
| 0857040018 Z125 | DELPHI AUTOMOTIVE SYSTEMS NEEDMORE OPERATIONS | DAYTON |
| 0857780013 F001 | DP&L, O.H. HUTCHINGS GENERATING STATION | MIAMISBURG |
| 1318001613 F001 | ISG CLEVELAND INC. | CLEVELAND |
| 1318120180 F001 | FORD MOTOR COMPANY, CLEVELAND CASTING PLANT | BROOK PARK |
| 1318170314 F001 | ALCOA-CLEVELAND WORKS | CLEVELAND |
| 1318247721 F001 | BFI - GLENWILLOW LANDFILL | GLENWILLOW |
| 1409010006 F001 | AK STEEL CORPORATION | MIDDLETOWN |
| 1431092049 F001 | RUMPKE SANITARY LANDFILL, INC. | CINCINNATI |
| 1431092049 F003 | RUMPKE SANITARY LANDFILL, INC. | CINCINNATI |
| 1431473443 F001 | BOND ROAD LANDFILL | WHITEWATER TOWNSHIP |
| 1576000613 F001 | THE TIMKEN COMPANY - STEEL PLANTS | CANTON |
| 1576000613 F102 | THE TIMKEN COMPANY - STEEL PLANTS | CANTON |
| 1576000613 F201 | THE TIMKEN COMPANY - STEEL PLANTS | CANTON |
| 1576050200 F002 | SHUT D - OHIO CAST PRODUCTS | CANTON |
| 1576050694 F001 | REPUBLIC ENGINEERED PRODUCTS, INC. | CANTON |
| 1576131877 F001 | ALLEGHENY LUDLUM CORPORATION - MASSILLON OPERATIONS | MASSILLON |
| 1652050040 F104 | OWENS CORNING, MEDINA PLANT | MEDINA |
| 1667010007 F003 | BFI OF OHIO / WILLOWCREEK LANDFILL | ATWATER |