§ 216.181 50 CFR Ch. II (10–1–11 Edition) common dolphin (Delphinus tropicalis), (b) The activities identified in Lagenorhynchus spp., Cephalorhynchus § 216.180 must be conducted in a manner spp., bottlenose dolphin (Tursiops that minimizes, to the greatest extent truncatus), Dall’s porpoise practicable, any adverse impacts on (Phocoenoides dalli), melon-headed marine mammals and their habitat. whale (Peponocephala spp.), beaked whales (Berardius spp., Hyperoodon spp., § 216.183 Prohibitions. Mesoplodon spp., Cuvier’s beaked whale No person in connection with the ac- (Ziphius cavirostris), Shepard’s beaked tivities described in § 216.180 shall: whale (Tasmacetus shepherdi), (a) Take any marine mammal not Longman’s beaked whale (Indopacetus specified in § 216.180(b); pacificus), killer whale (Orcinus orca), (b) Take any marine mammal speci- false killer whale (Pseudorca fied in § 216.180(b) other than by inci- crassidens), pygmy killer whale (Feresa dental, unintentional Level A and attenuata), sperm whale (Physeter Level B harassment; macrocephalus), dwarf and pygmy sperm (c) Take a marine mammal specified whales (Kogia simus and K. breviceps), in § 216.180(b) if such taking results in and short-finned and long-finned pilot more than a negligible impact on the whales (Globicephala macrorhynchus and species or stocks of such marine mam- G. melas). mal; or (3) Pinnipeds—hooded seal (Cystophora cristata), harbor seal (Phoca (d) Violate, or fail to comply with, vitulina), spotted seal (P. largha), rib- the terms, conditions, and require- bon seal (P. fasciata), gray seal ments of the regulations in this sub- (Halichoerus grypus), elephant seal part or any Letter of Authorization (Mirounga angustirostris and M. leonina), issued under §§ 216.106 and 216.188. Hawaiian monk seal (Monachus § 216.184 Mitigation. schauinslandi), Mediterranean monk seal (Monachus monachus), northern fur The activity identified in § 216.180(a) seal (Callorhinus ursinus), southern fur must be conducted in a manner that seal (Arctocephalus spp.), harp seal minimizes, to the greatest extent prac- (Phoca groenlandica), Galapagos sea ticable, adverse impacts on marine lion (Zalophus californianus wollebaeki), mammals and their habitats. When Japanese sea lion (Zalophus conducting operations identified in californianus japonicus), Steller sea lion § 216.180, the mitigation measures de- (Eumetopias jubatus), California sea lion scribed in this section and in any Let- (Zalophus californianus), Australian sea ter of Authorization issued under lion (Neophoca cinerea), New Zealand §§ 216.106 and 216.188 must be imple- sea lion (Phocarctos hookeri), and South mented. American sea lion (Otaria flavescens). (a) Through monitoring described under § 216.185, the Holder of a Letter of § 216.181 Effective dates. Authorization must act to ensure, to Regulations in this subpart are effec- the greatest extent practicable, that no tive from August 16, 2007 through Au- marine mammal is subjected to a gust 15, 2012. sound pressure level of 180 dB or great- er. § 216.182 Permissible methods of tak- (b) If a marine mammal is detected ing. within or about to enter the mitigation (a) Under Letters of Authorization zone (the area subjected to sound pres- issued pursuant to §§ 216.106 and 216.188, sure levels of 180 dB or greater plus the the Holder of the Letter of Authoriza- 1 km (0.54 nm) buffer zone extending tion may incidentally, but not inten- beyond the 180-dB zone), SURTASS tionally, take marine mammals by LFA sonar transmissions will be imme- Level A and Level B harassment within diately delayed or suspended. Trans- the areas described in § 216.180(a), pro- missions will not resume earlier than vided the activity is in compliance 15 minutes after: with all terms, conditions, and require- (1) All marine mammals have left the ments of these regulations and the ap- area of the mitigation and buffer zones; propriate Letter of Authorization. and 92 VerDate Mar<15>2010 10:01 Nov 30, 2011 Jkt 223231 PO 00000 Frm 00102 Fmt 8010 Sfmt 8010 Q:\50\X50\50V9.TXT ofr150 PsN: PC150.