| Section No. | Description |
|---|---|
| Section 920.1 | State program approval |
| Section 920.10 | State program provisions disapproved |
| Section 920.12 | Approval of Maryland regulatory program amendments |
| Section 920.15 | Required program amendments |
| Section 920.16 | Approval of Maryland abandoned mine plan |
| Section 920.20 | Approval of Maryland abandoned mine land reclamation plan amendments |
| Section 920.25 | Massachusetts Federal program |