Notification of Public Meetings of the Clean Air Scientific Advisory Committee Oxides of Nitrogen, Oxides of Sulfur, and Particulate Matter Secondary National Ambient Air Quality Standards (NAAQS) Panel

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The Environmental Protection Agency (EPA) Advisory Board (SAB) Staff Office announces two public meetings of the Clean Air Scientific Advisory Committee (CASAC) Oxides of Nitrogen, Oxides of Sulfur, and Particulate Matter (PM) Secondary National Ambient Air Quality Standards (NAAQS) Panel, hereafter referred to as the CASAC NO X /SO X /PM Panel. A public meeting will be held for the CASAC NO X /SO X /PM Panel to receive a briefing from EPA on the is Policy Assessment (PA) for the Review of the Secondary National Ambient Air Quality Standards for Oxides of Nitrogen, Oxides of Sulfur and Particulate Matter, External Review Draft. A second public meeting will be held for the panel to peer review the PA.