Code of Federal Regulations Title 33. Navigation and Navigable Waters § 33.165.708 Safety/Security Zone;  Charleston Harbor and Cooper River, Charleston, SC

(1) All waters 200 yards ahead and astern and 100 yards to each side of a vessel transporting nuclear materials while the vessel transits from Charleston Harbor Entrance, approximate position (32°37.1' N., 079°35.5' W.) to the Charleston Naval Weapons Station (position 32–55.4N, 079–56.0W) on the Cooper River. All coordinates referenced use datum:  NAD 1983.

(2) All waters within 100 yards of the vessel described in paragraph (a)(1) of this section while the vessel is conducting cargo operations at the Charleston Naval Weapons Station.