204 F.3d 275 (1st Cir. 2000) UNITED STATES OF AMERICA, Plaintiff, Appellee,v.COMUNIDADES UNIDAS CONTRA LA CONTAMINACION, Plaintiff-Intervenor, Appellant,v.PUERTO RICO ELECTRIC POWER AUTHORITY, Defendant, Appellee. No. 99-1752 United States Court of Appeals for the First Circuit Heard January 5, 2000Decided February 25, 2000 Ana L. Toledo for appellant. Mark R. Haag, Attorney, Department of Justice, Environment […]