Potomac Electric Power Co. No. 8995, United States Court of Appeals, District of Columbia, United States v. Public Utilities Commission of District of Columbia, and James H. Flanagan, James F. Reilly and Charles W. Kutz, constituting Public Utilities Commission of District of Columbia, and James Lauderdale, people's counsel, and Potomac Electric Power Company, interveners, appeal from judgment. of United States District Court for District of Columbia; appellant's appendix, v. 1.