24 C.F.R. § 58.36 Environmental assessments.
Title 24 - Housing and Urban Development
If a project is not exempt or categorically excluded under §§58.34 and 58.35, the responsible entity must prepare an EA in accordance with subpart E of this part. If it is evident without preparing an EA that an EIS is required under §58.37, the responsible entity should proceed directly to an EIS.
Title 24: Housing and Urban Development
PART 58—ENVIRONMENTAL REVIEW PROCEDURES FOR ENTITIES ASSUMING HUD ENVIRONMENTAL RESPONSIBILITIES
Subpart D—Environmental Review Process: Documentation, Range of Activities, Project Aggregation and Classification
§ 58.36 Environmental assessments.