| Date Filed | Summary | Pages |
| 06/27/2024 | Notice of End of Construction electronically filed by Mr. John R. Ryan on behalf of Columbia Gas of Ohio. | 2 |
| 04/01/2024 | Notice of withdrawal and Notice of Substitution of Counsel electronically filed by Ms. Melissa L. Thompson on behalf of Columbia Gas of Ohio, Inc. | 4 |
| 07/07/2023 | Notice of Construction Start Date for the Hinckley Pipeline Project electronically filed by Ms. Melissa L. Thompson on behalf of Columbia Gas of Ohio, Inc. | 2 |
| 06/30/2023 | Service Notice. | 3 |
| 06/30/2023 | Staff Report of Investigation electronically filed by Ms. Allison Renick on behalf of Staff of OPSB. | 7 |
| 06/13/2023 | Letter of Notification of Columbia Gas of Ohio, Inc. with Supplement to Appendix G electronically filed by Ms. Melissa L. Thompson on behalf of Columbia Gas of Ohio, Inc. | 5 |
| 06/01/2023 | Amended Application with Appendix I of Columbia Gas of Ohio, Inc. electronically filed by Ms. Melissa L. Thompson on behalf of Columbia Gas of Ohio, Inc. | 56 |
| 05/24/2023 | Letter of Notification regarding Supplement to Appendix G for the Hinckley Pipeline Project electronically filed by Ms. Melissa L. Thompson on behalf of Columbia Gas of Ohio, Inc. | 4 |
| 05/19/2023 | Correspondence Regarding Supplement to Letter of Notification, Appendix E electronically filed by Ms. Melissa L. Thompson on behalf of Columbia Gas of Ohio, Inc. | 4 |
| 05/19/2023 | Proof of Service and Compliance of Columbia Gas of Ohio, Inc. electronically filed by Ms. Melissa L. Thompson on behalf of Columbia Gas of Ohio, Inc. | 3 |
| 05/19/2023 | Proof of Publication of Columbia Gas of Ohio, Inc. electronically filed by Ms. Melissa L. Thompson on behalf of Columbia Gas of Ohio, Inc. | 5 |
| 05/12/2023 | Letter of Notification Appendix H (Part 2) electronically filed by Ms. Melissa L. Thompson on behalf of Columbia Gas of Ohio, Inc. | 75 |
| 05/12/2023 | Letter of Notification Appendix H (Part 1) electronically filed by Ms. Melissa L. Thompson on behalf of Columbia Gas of Ohio, Inc. | 87 |
| 05/12/2023 | Letter of Notification Appendix G (Part 2) electronically filed by Ms. Melissa L. Thompson on behalf of Columbia Gas of Ohio, Inc. | 28 |
| 05/12/2023 | Letter of Notification Appendix G (Part 1) electronically filed by Ms. Melissa L. Thompson on behalf of Columbia Gas of Ohio, Inc. | 17 |
| 05/12/2023 | Letter of Notification Appendices E and F electronically filed by Ms. Melissa L. Thompson on behalf of Columbia Gas of Ohio, Inc. | 85 |
| 05/12/2023 | Letter of Notification Appendices A through D electronically filed by Ms. Melissa L. Thompson on behalf of Columbia Gas of Ohio, Inc. | 98 |
| 05/12/2023 | Letter of Notification of Columbia Gas of Ohio, Inc. electronically filed by Ms. Melissa L. Thompson on behalf of Columbia Gas of Ohio, Inc.. | 19 |
| 05/08/2023 | Correspondence of Amended Pre-Application Letter of Columbia Gas of Ohio, Inc. electronically filed by Ms. Melissa L. Thompson on behalf of Columbia Gas of Ohio, Inc. | 3 |
| 04/10/2023 | In the Matter of the Pre-Application Letter of Columbia Gas of Ohio, Inc. electronically filed by Ms. Melissa L. Thompson on behalf of Columbia Gas of Ohio, Inc.. | 3 |