; 136 Stat. 2018); (vi) the Conservation Evaluation and Monitoring Activity for the Carbon Sequestration and Greenhouse Gas Mitigation Assessment; and (vii) such other sources as the Secretary determines to be appropriate. (3) Review The Secretary, based on recommendations from the advisory committee established under subsection (f), shall— (A) establish and maintain an outcomes-based measurement system in accordance with the guidance issued under paragraph (2) when feasible; (B) conduct a periodic review of that system; (C) periodically make any necessary updates to that system; and (D) establish research and development goals and plans, as necessary. (h) Inventory (1) In general Not later than 18 months after the date of enactment of this subsection, and every 2 years thereafter, the Secretary, in consultation with the advisory committee established under subsection (f) and the Administrator of the Environmental Protection Agency, shall conduct a nationwide soil health and agricultural greenhouse gas emissions inventory that uses the best available science and data to establish expected average performance for soil carbon drawdown and storage and greenhouse gas emissions reduction by primary production type and production region. (2) Database Drawing on the field-based data collected under section 21002(a)(2) of Public Law 117–169 ( 7 U.S.C. 6936 note; 136 Stat. 2018), the Secretary shall— (A) establish an accessible and interoperable database for the information collected through the inventory conducted under paragraph (1)