ELR Citation: ELR 20550
No(s). 98-71158 (9th Cir. Mar 23, 2001)

The court holds that the U.S. Environmental Protection Agency (EPA) has the power under the Clean Air Act (CAA) to adopt de minimis exemptions for sources of pollution from particulate matter having an aerodynamic diameter of 10 microns or less (PM[10]) from the new source review (NSR) program in a ...