; (2) water column habitats and species; (3) surface and coastal impacts from spills originating in deep waters; and (4) the use of dispersants. . 518. Inspections and certifications Section 22 of the Outer Continental Shelf Lands Act ( 43 U.S.C. 1348 ) is amended— (1) by amending subsection (c) to read as follows: (c) Inspections The Secretary and the Secretary of the department in which the Coast Guard is operating shall individually, or jointly if they so agree, promulgate regulations to provide for— (1) scheduled onsite inspection, at least once a year, of each facility on the outer Continental Shelf which is subject to any environmental or safety regulation promulgated pursuant to this Act, which inspection shall include all safety equipment designed to prevent or ameliorate blowouts, fires, spillages, or other major accidents; (2) scheduled onsite inspection, at least once a month, of each facility on the outer Continental Shelf engaged in drilling operations and which is subject to any environmental or safety regulation promulgated pursuant to this Act, which inspection shall include all safety equipment designed to prevent or ameliorate blowouts, fires, spillages, or other major accidents; (3) periodic onsite inspection without advance notice to the operator of such facility to assure compliance with such environmental or safety regulations; and (4) periodic audits of each required safety and environmental management plan, and any associated safety case, both with respect to their implementation at each facility on the outer Continental Shelf for which such a plan or safety case is required and with respect to onshore management support for activities at such a facility. ; (2) in subsection (d)(1)— (A) by striking each major fire and each major oil spillage and inserting each major fire, each major oil spillage, each loss of well control, and any other accident that presented a serious risk to human or environmental safety