The Chartered SAB will: (1) receive a briefing from EPA on the Agency’s Scientific Integrity Policy; (2) conduct a quality review of a draft SAB report on the Clean Air Status and Trends Ambient Air Monitoring Network (CASTNet); (3) discuss a draft SAB report on EPA’s proposed new source performance standards for greenhouse gas emissions, emission guidelines for greenhouse gas emissions, and repeal of the Affordable Clean Energy Rule; and (4) discuss recommendations received from the SAB Work Group for Review of Science Supporting EPA Decisions concerning SAB review of EPA planned regulatory actions.