United States of America v. Cambrex Corporation, Nepera, Inc., Warner-Lambery Company LLC, and Pfizer, Inc.
United States of America and Alabama Department of Environmental Management v. Brown Wood Preserving Company, Inc. and the James Graham Brown Foundation, Inc.
United States of America and State of Colorado v. Broderick Investment Company, Tom H. Connolly, as Trustee, and Burlington Northern Railroad Company
United States of America and Commonwealth of Massachusetts v. Boston & Maine Corporation, BNZ Materials Inc., and Massachusetts Bay Transportation Authority
United States of America v. Blue Tee Corp. Gold Fields Mining LLC and The Doe Run Resources Corporation