ELR Citation: 44 ELR 20119
No(s). 12-1238 (D.C. Cir. May 27, 2014)

The D.C. Circuit upheld EPA’s decision to defer adopting new secondary NAAQS for oxides of sulfur (SOx) and nitrogen (NOx) pending further scientific study. Citing doubts about the accuracy of its aquatic acidification index model—used to quantify the connection between SOx and NOx in the air an...