This RIA provides illustrative estimates, as of January 2010, of the incremental costs and monetized human health benefits of attaining the revised NO₂ NAAQS within the the existing community-wide monitoring network of 409 monitors.

• Final Regulatory Impact Analysis (RIA) for the NO2 National Ambient Air Quality Standards (NAAQS) (PDF)(155 pp, 3 MB, January 2010)