Riverside Cement Co. v. Thomas
ELR Citation: ELR 20860 No(s). s. 86-7126, -7132 (9th Cir. Apr 8, 1988)
The court holds that the Environmental Protection Agency (EPA) cannot take a rule proposed by a state under its Clean Air Act state implementation plan and amend the proposal on its own motion. The California Air Resources Board submitted a rule regulating emissions of nitrogen oxide from cement kil...