Memoranda Associated with the External Review Draft of Policy Assessment in the Review of the Secondary NAAQS for Oxides of Nitrogen, Oxides of Sulfur and PM

Memoranda were developed to describe revisions to some aspects of the external review draft of the Policy Assessment in the review of the national ambient air quality standards (NAAQS) for oxides of nitrogen, oxides of sulfur and particulate matter (PM)

• Corrections to Errors in Six Correlation Coefficients in Chapter 6 of the Policy Assessment for the Review of the Secondary National Ambient Air Quality Standards for Oxides of Nitrogen, Oxides of Sulfur and Particulate Matter, External Review Draft (pdf) (1.38 MB, July 27, 2023 memo)
• Corrections to Errors in Six Figures in Chapter 6 of the Policy Assessment for the Review of the Secondary National Ambient Air Quality Standards for Oxides of Nitrogen, Oxides of Sulfur and Particulate Matter, External Review Draft (pdf) (1.24 MB, July 24, 2023 memo)