; and (B) request that the participating agency take such measures as the Secretary, in consultation with the participating agency, determines appropriate to comply with that environmental review timetable. (e) Coordination of required reviews and authorizations (1) Concurrent reviews To efficiently integrate the exercise of review, permitting, and other authorization responsibilities, each participating agency shall, to the maximum extent practicable— (A) carry out the responsibilities of the participating agency with respect to a Plan concurrently, and in conjunction with, the responsibilities of other participating agencies, including reviews required under NEPA and section 306108 of title 54, United States Code (commonly known as the National Historic Preservation Act ), unless the participating agency determines that doing so would impair the ability of the participating agency to carry out the other statutory obligations of the participating agency; (B) formulate and implement administrative, policy, and procedural mechanisms to enable the participating agency to ensure completion of the process for reviews and issuance of permits and other authorizations in a timely, coordinated, and responsible manner