; (2) the extent to which the Secretary has incorporated corrosion prevention activities (as defined in such section) at water resources development projects constructed or maintained by the Secretary since the date of enactment of such section; and (3) in instances where the Secretary has not incorporated corrosion prevention activities at such water resources development projects since such date, an explanation as to why such corrosion prevention activities have not been incorporated. 117. Quantification of benefits for flood risk management projects in seismic zones (a) In general Upon the request of the non-Federal interest for a flood risk management project in a seismic zone, the Secretary shall quantify the seismic hazard risk reduction benefits for the project if the non-Federal interest identifies, and the Secretary approves, an acceptable methodology to quantify such benefits. (b) Applicability The Secretary shall— (1) include all associated seismic hazard risk reduction benefits approved by the Secretary in the calculation of the national economic development benefit-cost ratio for a flood risk management project in a seismic hazard zone for purposes of plan formulation pursuant to section 905 of the Water Resources Development Act of 1986