; (B) an analysis of the environmental and health impacts of releases of natural gas during such venting and blowdowns; and (C) an evaluation of pipeline technologies or measures capable of safely and effectively reducing the amount of natural gas released, including— (i) an analysis of the environmental and health benefits resulting from lower natural gas releases as a result of using such technologies or measures; (ii) an analysis of the economic value of the natural gas that is prevented from being released as a result of the technologies or measures; (iii) an analysis of the cost of using such technologies or measures, including the cost to operators and any impacts on pipeline safety and reliability; (iv) an analysis of factors that affect the feasibility and effectiveness of using such technologies and measures; and (v) a determination of whether the benefits described in clauses (i) and (ii) outweigh the costs described in clause (iii). 22. Changes in class location Not later than 18 months after the date of enactment of this Act, the Secretary of Transportation shall issue final regulations that permit the use of integrity management program requirements, or elements thereof, to manage the safety of gas transmission pipeline segments that experience a change in class location. Such regulations shall be an alternative to the requirements of section 192.611 of title 49, Code of Federal Regulations, as in effect on the date of enactment of this Act.