
    No. 75-909.
    No. 75-960.
    No. 75-1050.
    No. 75-1055.
    Environmental Protection Agency v. Brown, Governor of California, et al.; and Environmental Protection Agency v. Arizona et al. Environmental Protection Agency v. Maryland et al. Virginia ex rel. Air Pollution Control Board v. Train, Administrator, Environmental Protection Agency; and Train, Administrator, Environmental Protection Agency v. District of Columbia et al.
   C. A. 9th Cir.;

C. A. 4th Cir.;

C. A. D. C. Cir. [Certiorari granted, 426 U. S. 904.] Motion of Pacific Legal Foundation for leave to participate in oral argument as amicus curiae denied.  