The EPA Science Advisory Board (SAB) Staff Office announces two public meetings of the Clean Air Scientific Advisory Committee (CASAC) Ozone Review Panel. A public meeting will be held for the CASAC Ozone Review Panel to receive a briefing from EPA on the 2020 Ozone Integrated Science Assessment (ISA) and to hear public comments. A second public meeting will be held for the panel to discuss scientific issues related to the 2020 Ozone ISA.