50 CFR § 218.150 - Specified activity and specified geographical region.

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§ 218.150 Specified activity and specified geographical region.

(a) Regulations in this subpart apply only to the U.S. Navy for the taking of marine mammals that occurs in the area outlined in paragraph (b) of this section and that occurs incidental to the activities described in paragraph (c) of this section.

(b) The taking of marine mammals by the Navy is only authorized if it occurs within the GOA TMAA Study Area, which is bounded by a hexagon with the following six corners: 57°30′° N. lat., 141°30′° W. long.; 59°36′° N. lat., 148°10′° W. long.; 58°57′° N. lat., 150°04′° W. long.; 58°20′° N. lat., 151°00′° W. long.; 57°16′° N. lat., 151°00′° W. long.; and 55°30′° N. lat., 142°00′° W. long.

(c) The taking of marine mammals by the Navy is only authorized if it occurs incidental to the following activities:

(1) Sonar and other active sources used during training -

(i) Mid-frequency (MF) source classes.

(A) MF1 - an average of 271 hours per year.

(B) MF3 - an average of 24 hours per year.

(C) MF4 - an average of 26 hours per year.

(D) MF5 - an average of 126 items per year.

(E) MF6 - an average of 11 items per year.

(F) MF11 - an average of 39 hours per year.

(ii) High-frequency (HF) source classes.

(A) HF1 - an average of 12 hours per year.

(B) HF6 - an average of 40 items per year.

(iii) Anti-Submarine Warfare (ASW) source classes.

(A) ASW2 - an average of 40 hours per year.

(B) ASW3 - an average of 273 hours per year.

(C) ASW4 - an average 6 items per year.

(iv) Torpedoes (TORP).

(A) TORP2 - an average of 0 items per year.

(B) [Reserved]

(2) Impulsive source detonations during training -

(i) Explosive classes.

(A) E5 (>5 to 10 pound (lb) net explosive weight (NEW)) - an average of 56 detonations per year.

(B) E9 (>100 to 250 lb NEW) - an average of 64 detonations per year.

(C) E10 (>250 to 500 lb NEW) - an average of 6 detonations per year.

(D) E12 (>650 to 1,000 lb NEW) - an average of 2 detonations per year.

(ii) [Reserved]

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