PENNSYLVANIA v. UNION GAS CO.

No. 87-1241.

491 U.S. 1 (1989)

PENNSYLVANIA v. UNION GAS CO.

Supreme Court of United States.

Decided June 15, 1989


Attorney(s) appearing for the Case

John G. Knorr III, Chief Deputy Attorney General of Pennsylvania, argued the cause for petitioner. With him on the briefs were LeRoy S. Zimmerman, Attorney General, and Gregory R. Neuhauser, Senior Deputy Attorney General.

Robert A. Swift argued the cause for respondent. With him on the brief were Marguerite R. Goodman and Lawrence Demase.*

Briefs of amici curiae urging affirmance were filed for the American Federation of Labor and Congress of Industrial Organizations by Robert M. Weinberg and Laurence Gold; for the Association of American Publishers, Inc., et al. by Jon Baumgarten, Christopher A. Meyer, and Charles S. Sims; for the Chemical Manufacturers Association by Neil J. King and Carol F. Lee; and for the National Music Publishers' Association, Inc., et al. by Steven B. Rosenfeld.

Ronald A. Zumbrun and Robin L. Rivett filed a brief for the Pacific Legal Foundation as amicus curiae.


JUSTICE BRENNAN announced the judgment of the Court and delivered the opinion of the Court with respect to Parts I and II, and an opinion with respect to Part III, in which JUSTICE MARSHALL, JUSTICE BLACKMUN, and JUSTICE STEVENS join.

This case presents the questions whether the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (CERCLA), 42 U. S. C. § 9601 et seq., as amended by the Superfund...

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