; and (2) identify priorities (based on amount of oil, feasibility of oil recovery, fate and effects of oil if released, and cost-benefit of preemptive action) for potential preemptive removal of oil or other actions that may be effective to mitigate the risk of oil spills from offshore abandoned or sunken vessels. 202. Coast Guard response plan requirements (a) In general The Secretary of the department in which the Coast Guard is operating shall require all response plans approved by the Coast Guard under section 311(j) of the Federal Water Pollution Control Act ( 33 U.S.C. 1321(j) ) to be updated not less than once every 5 years. (b) Best available technology Each response plan update under subsection (a) shall utilize the best commercially available technology and methods to contain and remove to the maximum extent practicable a worst case discharge (including a discharge resulting from fire or explosion), and to mitigate or prevent a substantial threat of such a discharge. (c) Technology standards (1) In general The Secretary of the department in which the Coast Guard is operating may establish requirements and guidance for utilizing the best commercially available technology and methods under subsection (b). (2) Requirements The best commercially available technology and methods shall be based on measurable standards and capabilities whenever practicable. (d) Resubmission Each update under subsection (a) shall be considered a significant change requiring it to be resubmitted for approval by the Coast Guard. 203. Oil spill technology evaluation (a) In general The Secretary of the department in which the Coast Guard is operating shall establish a program for the formal evaluation and validation of oil pollution containment and removal methods and technologies. (b) Approvals (1) In general The program under subsection (a) shall include the establishment of a process for new methods and technologies— (A) to be submitted to and evaluated by the Secretary of the department in which the Coast Guard is operating