ELR Citation: ELR 20928
No(s). 80-1241 (7th Cir. Jun 25, 1982)

The Seventh Circuit affirms the district court's ruling, 11 ELR 20534, that a 1974 revision of the Indiana state implementation plan's (SIP's) opacity regulation (1974 APC-3) was partially approved by the Environmental Protection Agency (EPA) and is federally enforceable. Appellant contended that in...