Location
(a) Location. The following areas are safety and security zones: (1) Except as provided in paragraph (a) (2) of this section, all navigable waters of the Portland, Maine, Captain of the Port zone, as defined in 33 CFR 3.05-15, one mile ahead, one half mile astern, and 1000-yards on either side of any Liquefied Petroleum Gas vessel. (2) All waters of the Piscataqua River within a 500-yard radius of any Liquefied Petroleum Gas (LPG) vessel while it is moored at the LPG receiving facility on the Piscataqua River, Newington, New Hampshire.