; then southeast to 42 deg. 10′ N., 68 deg. 31′ W, then south to 41 deg. 00′ N., 68 deg. 31′ W; then west to 41 deg. 00′ N., 69 deg. 17′ W; then northeast to 42 deg. 05′ N., 70 deg. 02′ W, then west to 42 deg. 04′ N., 70 deg. 10′ W; and then along the Massachusetts shoreline of Cape Cod Bay and Massachusetts Bay back to the point on Cape Ann at 42 deg. 39′ N., 70 deg. 37′ W). (2) In the coastal waters of the Southeastern United States within about 25 nm along a 90 nm stretch of the Atlantic seaboard (in an area generally extending from the shoreline east to longitude 80 deg. 51.6′ W with the southern and northern boundary at latitudes 30 deg. 00′ N., 31 deg. 27′ N., respectively). B Ports and Waterways Safety 70011. Waterfront safety (a) In general The Secretary may take such action as is necessary to— (1) prevent damage to, or the destruction of, any bridge or other structure on or in the navigable waters of the United States, or any land structure or shore area immediately adjacent to such waters; and (2) protect the navigable waters and the resources therein from harm resulting from vessel or structure damage, destruction, or loss. (b) Actions authorized Actions authorized by subsection (a) include— (1) establishing procedures, measures, and standards for the handling, loading, unloading, storage, stowage, and movement on a structure (including the emergency removal, control, and disposition) of explosives or other dangerous articles and substances, including oil or hazardous material as those terms are defined in section 2101; (2) prescribing minimum safety equipment requirements for a structure to assure adequate protection from fire, explosion, natural disaster, and other serious accidents or casualties; (3) establishing water or waterfront safety zones, or other measures, for limited, controlled, or conditional access and activity when necessary for the protection of any vessel, structure, waters, or shore area