Majority
p. 811No. 75-1473. No. 75-1705. E. I. du Pont de Nemours & Co. et al. v. Train, Administrator, Environmental Protection Agency; and Train, Administrator, Environmental Protection Agency v. E. I. du Pont de Nemours & Co. et al.
C.
p. 812
tion of Appalachian Power Co. et al. for leave to file a brief as amid curiae granted.
Mr. Justice Powell took no part in the consideration or decision of this motion.