| 2019-11-26 | MORTON SALT, INC. | Pass | State |
| 2019-11-26 | MORTON SALT, INC. | Pass | State |
| 2019-10-30 | BEKAERT CORPORATION | Pass | State |
| 2019-10-30 | BEKAERT CORPORATION | Pass | State |
| 2019-10-30 | BEKAERT CORPORATION | Pass | State |
| 2019-10-22 | ENBRIDGE GAS OHIO - CHIPPEWA STATION | Pass | State |
| 2019-10-22 | ENBRIDGE GAS OHIO - CHIPPEWA STATION | Pass | State |
| 2019-10-22 | ENBRIDGE GAS OHIO - CHIPPEWA STATION | Pass | State |
| 2019-10-22 | ENBRIDGE GAS OHIO - CHIPPEWA STATION | Pass | State |
| 2019-09-15 | SEAMAN CORPORATION | Pass | State |
| 2019-09-15 | SEAMAN CORPORATION | Pass | State |
| 2019-09-15 | SEAMAN CORPORATION | Pass | State |
| 2019-08-08 | KOKOSING MATERIALS INC PLANT NO 517 | Pass | State |
| 2019-08-08 | KOKOSING MATERIALS INC PLANT NO 517 | Pass | State |
| 2019-08-08 | KOKOSING MATERIALS INC PLANT NO 517 | Pass | State |
| 2019-08-08 | KOKOSING MATERIALS INC PLANT NO 517 | Pass | State |
| 2019-08-08 | KOKOSING MATERIALS INC PLANT NO 517 | Pass | State |
| 2019-07-22 | ROVER PIPELINE - MAINLINE CS2 | Pass | State |
| 2019-07-22 | ROVER PIPELINE - MAINLINE CS2 | Pass | State |
| 2019-05-14 | ENBRIDGE GAS OHIO - CHIPPEWA STATION | Pass | State |
| 2019-05-14 | ENBRIDGE GAS OHIO - CHIPPEWA STATION | Pass | State |
| 2019-05-14 | ENBRIDGE GAS OHIO - CHIPPEWA STATION | Pass | State |
| 2019-05-14 | ENBRIDGE GAS OHIO - CHIPPEWA STATION | Pass | State |
| 2019-05-14 | ENBRIDGE GAS OHIO - CHIPPEWA STATION | Pass | State |
| 2019-05-14 | ENBRIDGE GAS OHIO - CHIPPEWA STATION | Pass | State |
| 2019-05-02 | MORTON SALT, INC. | Pass | State |
| 2019-05-02 | MORTON SALT, INC. | Pass | State |
| 2019-05-02 | MORTON SALT, INC. | Pass | State |
| 2019-04-10 | THE QUALITY CASTINGS COMPANY | Pass | State |
| 2019-04-10 | THE QUALITY CASTINGS COMPANY | Pass | State |
| 2019-04-10 | THE QUALITY CASTINGS COMPANY | Pass | State |
| 2019-04-10 | THE QUALITY CASTINGS COMPANY | Pass | State |
| 2019-04-10 | THE QUALITY CASTINGS COMPANY | Pass | State |
| 2019-04-10 | THE QUALITY CASTINGS COMPANY | Pass | State |
| 2019-04-10 | THE QUALITY CASTINGS COMPANY | Pass | State |
| 2019-04-10 | THE QUALITY CASTINGS COMPANY | Pass | State |
| 2019-03-21 | DEPARTMENT OF PUBLIC UTILITIES, CITY OF ORRVILLE, OHIO | Pass | State |
| 2019-03-21 | G&S BAR AND WIRE, LLC | Pass | State |
| 2019-03-21 | G&S BAR AND WIRE, LLC | Fail | State |
| 2019-03-21 | G&S BAR AND WIRE, LLC | Pass | State |
| 2019-03-21 | G&S BAR AND WIRE, LLC | Pass | State |
| 2019-03-21 | G&S BAR AND WIRE, LLC | Pass | State |
| 2019-03-21 | G&S BAR AND WIRE, LLC | Pass | State |
| 2019-03-21 | G&S BAR AND WIRE, LLC | Pass | State |
| 2019-03-21 | G&S BAR AND WIRE, LLC | Pass | State |
| 2019-01-17 | CITY OF WOOSTER WATER RESOURCE RECOVERY FACILITY (WRRF) | Pass | State |
| 2019-01-17 | CITY OF WOOSTER WATER RESOURCE RECOVERY FACILITY (WRRF) | Pass | State |
| 2019-01-17 | CITY OF WOOSTER WATER RESOURCE RECOVERY FACILITY (WRRF) | Pass | State |
| 2019-01-16 | ROVER PIPELINE - MAINLINE CS2 | Pass | State |
| 2019-01-16 | ROVER PIPELINE - MAINLINE CS2 | Pass | State |
| 2019-01-16 | ROVER PIPELINE - MAINLINE CS2 | Pass | State |
| 2019-01-16 | ROVER PIPELINE - MAINLINE CS2 | Pass | State |
| 2019-01-16 | ROVER PIPELINE - MAINLINE CS2 | Pass | State |
| 2019-01-16 | ROVER PIPELINE - MAINLINE CS2 | Pass | State |
| 2019-01-16 | ROVER PIPELINE - MAINLINE CS2 | Pass | State |
| 2019-01-16 | ROVER PIPELINE - MAINLINE CS2 | Pass | State |
| 2019-01-16 | ROVER PIPELINE - MAINLINE CS2 | Pass | State |
| 2019-01-16 | ROVER PIPELINE - MAINLINE CS2 | Pass | State |
| 2019-01-16 | ROVER PIPELINE - MAINLINE CS2 | Pass | State |
| 2019-01-16 | ROVER PIPELINE - MAINLINE CS2 | Pass | State |
| 2019-01-16 | ROVER PIPELINE - MAINLINE CS2 | Pass | State |
| 2019-01-16 | ROVER PIPELINE - MAINLINE CS2 | Pass | State |
| 2019-01-16 | ROVER PIPELINE - MAINLINE CS2 | Pass | State |
| 2019-01-16 | ROVER PIPELINE - MAINLINE CS2 | Pass | State |
| 2019-01-16 | ROVER PIPELINE - MAINLINE CS2 | Pass | State |
| 2019-01-16 | ROVER PIPELINE - MAINLINE CS2 | Pass | State |
| 2019-01-16 | ROVER PIPELINE - MAINLINE CS2 | Pass | State |
| 2019-01-16 | ROVER PIPELINE - MAINLINE CS2 | Pass | State |
| 2019-01-16 | ROVER PIPELINE - MAINLINE CS2 | Pass | State |
| 2019-01-16 | ROVER PIPELINE - MAINLINE CS2 | Pass | State |
| 2019-01-16 | ROVER PIPELINE - MAINLINE CS2 | Pass | State |
| 2019-01-16 | ROVER PIPELINE - MAINLINE CS2 | Pass | State |
| 2019-01-15 | BEKAERT CORPORATION | Pass | State |
| 2019-01-15 | BEKAERT CORPORATION | Pass | State |
| 2019-01-15 | BEKAERT CORPORATION | Pass | State |
| 2019-01-10 | ENBRIDGE GAS OHIO - CHIPPEWA STATION | Pass | State |