ELR Citation: 44 ELR 20061
No(s). 13-cv-1275 (D. Colo. Mar 11, 2014) (Martinez, J.)

A district court dismissed an environmental group's CAA citizens suit against EPA for failing to make a finding that Idaho and Utah failed to timely submit SIPs for fine particulate matter (PM2.5). In 2007, EPA issued a rule that required states to submit their SIPs for PM2.5 within three years afte...