Vessel and Aircraft Discharges From United States Coast Guard Activities in Greater Farallones and Cordell Bank National Marine Sanctuaries

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With this proposed rule, the National Oceanic and Atmospheric Administration (NOAA) considers allowing the United States Coast Guard (USCG or Coast Guard) to carry out certain otherwise prohibited activities within waters of Greater Farallones National Marine Sanctuary (GFNMS) and Cordell Bank National Marine Sanctuary (CBNMS) approximately 3 nautical miles (nm) from the shore, in the areas of the sanctuaries that were expanded in 2015. The discharges under consideration are: Untreated vessel sewage, vessel graywater as defined by the Federal Water Pollution Control Act, as amended (FWPCA), that does not meet the definition of "clean" as defined by the GFNMS and CBNMS regulations, and ammunition and pyrotechnic (warning projectile, flare, smoke float and marine marker) materials used in USCG training exercises for use of force (live fire or gunnery) and training exercises for search and rescue (SAR) of vessels or persons in distress. No change is proposed to the regulatory prohibitions or exceptions applicable to the pre-expansion boundaries of the two sanctuaries. A draft environmental assessment (DEA) under the National Environmental Policy Act (NEPA) has been prepared for this p