(a) This subpart prescribes requirements under 33 U.S.C. 1504(b) for the activities that are involved in site evaluation and pre-construction testing at potential locations for deepwater ports and that may:

(1) Adversely affect the environment;

(2) Interfere with authorized uses of the Outer Continental Shelf; or

(3) Pose a threat to human health and welfare.

(b) For the purpose of this subpart, “site evaluation and pre-construction testing” means studies performed at potential deepwater port locations, including:

(1) Preliminary studies to determine the feasibility of a site;

(2) Detailed studies of the topographic and geologic structure of the ocean bottom to determine its ability to support offshore structures and other equipment; and

(3) Studies done for the preparation of the environmental analysis required under § 148.105 of this part.