| Section No. | Description |
|---|---|
| Section 504.1 | Definitions |
| Section 504.2 | General information |
| Section 504.3 | Categorical exclusions |
| Section 504.4 | Environmental assessments |
| Section 504.5 | Finding of no significant impact |
| Section 504.6 | Environmental impact statements |
| Section 504.7 | Record of decision |
| Section 504.8 | Information required by the Commission |
| Section 504.9 | Time constraints on final administrative actions |
| Section 504.10 | OMB control numbers assigned pursuant to the Paperwork Reduction Act |
| Section 504.91 | Scope of regulations |