(a) The danger zone. A circular area with a radius of 500 yards having its center on Shag Rock in the vicinity of Duck Island at latitude 43°00?12?, longitude 70°36?12?.

(b) The regulations. (1) No person or vessel shall enter or remain in the danger zone from 8:00 a.m. to 5:00 p.m. (local time) daily, except as authorized by the enforcing agency.

(2) This section shall be enforced by the Commandant, First Naval District, and such agencies as he may designate.

[14 FR 5592, Sept. 13, 1949. Redesignated at 50 FR 42696, Oct. 22, 1985, as amended at 62 FR 17551, Apr. 10, 1997]