; and (B) any other estimate of the monetized damages associated with an incremental increase in greenhouse gas emissions in a given year. (4) Social cost of methane The term social cost of methane means— (A) the estimate of the social cost of methane described in— (i) the proposed rule entitled Oil and Natural Gas Sector: Emission Standards for New and Modified Sources (80 Fed. Reg. 56593 (September 18, 2015)); (ii) the final rule entitled Oil and Natural Gas Sector: Emission Standards for New, Reconstructed, and Modified Sources (81 Fed. Reg. 35824 (June 3, 2016)); (iii) the regulatory impact analysis entitled Regulatory Impact Analysis of the Final Oil and Natural Gas Sector: Emission Standards for New, Reconstructed, and Modified Sources , prepared by the Environmental Protection Agency, Office of Air and Radiation, in May 2016 and identified by docket ID number EPA–HQ–OAR–2010–0505–7630; or (iv) (I) the document entitled Addendum to Technical Support Document on Social Cost of Carbon for Regulatory Impact Analysis under Executive Order 12866: Application of the Methodology to Estimate the Social Cost of Methane and the Social Cost of Nitrous Oxide , published by the Interagency Working Group on Social Cost of Greenhouse Gases, United States Government, in August 2016; or (II) any successor or substantially related document; and (B) any other estimate of the monetized damages associated with an incremental increase in methane emissions in a given year. (5) Social cost of nitrous oxide The term social cost of nitrous oxide means— (A) the estimate of the social cost of nitrous oxide described in— (i) the document entitled Addendum to Technical Support Document on Social Cost of Carbon for Regulatory Impact Analysis under Executive Order 12866: Application of the Methodology to Estimate the Social Cost of Methane and the Social Cost of Nitrous Oxide , published by the Interagency Working Group on Social Cost of Greenhouse Gases, United States Government, in August 2016