Aids to Navigation Manual: Seamanship - COMDTINST M16500.21A (March 2016)
ENVIROMENTAL ASPECT AND IMPACT CONSIDERATIONS.
a. The development of this Commandant Change Notice and the general policies contained within it have been thoroughly reviewed by the originating office in conjunction with the Office of Environmental Management, and are categorically excluded (CE) under current USCG CE#33 from further environmental analysis, in accordance with Section 2.B.2. and Figure 2-1 of the National Environmental Policy Act Implementing Procedures and Policy for Considering Environmental Impacts, COMDINST M16475.1 (series).