Thomas, Administrator, United States Environmental Protection Agency v. Union Carbide Agricultural Products Co. et al.

Decided July 1, 1985. Sandra Day O'Connor delivered the opinion of the Court.

Docket 84-497 · 473 U.S. 568 (1985) · Cited 1,222 times

We don’t yet publish a summary of this opinion — read the official text below for the Court’s holding and reasoning.

How the Justices voted

Decided 9–0.

“Concurring” means agreeing with the outcome; any split shown is the Court’s judgment, not each Justice’s reasoning. Source: the Supreme Court Database (Spaeth et al.), Washington University.

Precedents cited

Supreme Court decisions this opinion relies on, ordered by how often it cites each. Cases in our collection link through; others are named.

• Northern Pipeline Construction Co. v. Marathon Pipe Line Co. · 458 U.S. 50 (1982)
• Crowell v. Benson · 285 U.S. 22 (1932)
• Ruckelshaus v. Monsanto Co. · 467 U.S. 986 (1984)
• Allen v. Wright · 468 U.S. 737 (1984)
• Ex Parte Bakelite Corp'n. · 279 U.S. 438 (1929)
• Abbott Laboratories v. Gardner · 387 U.S. 136 (1967)
• Regional Rail Reorganization Act Cases · 419 U.S. 102 (1974)
• Pacific Gas & Electric Co. v. State Energy Resources Conservation & Development Commission · 461 U.S. 190 (1983)
• Leedom v. Kyne · 358 U.S. 184 (1958)
• Den Ex Dem. Murray v. Hoboken Land & Improvement Co. · 59 U.S. 272 (1856)
• Glidden Co. v. Zdanok · 370 U.S. 530 (1962)
• Switchmen's Union v. National Mediation Board · 320 U.S. 297 (1943)
• Buckley v. Valeo · 424 U.S. 1 (1976)
• Valley Forge Christian College v. Americans United for Separation of Church and State, Inc. · 454 U.S. 464 (1982)
• United Steelworkers v. Enterprise Wheel & Car Corp. · 363 U.S. 593 (1960)
• Palmore v. United States · 411 U.S. 389 (1973)
• Atlas Roofing Co. v. Occupational Safety and Health Review Comm'n · 430 U.S. 442 (1977)
• United States v. Erika, Inc. · 456 U.S. 201 (1982)
• Union Pacific Railroad v. Price · 360 U.S. 601 (1959)
• Warth v. Seldin · 422 U.S. 490 (1975)
• Cleveland Board of Education v. Loudermill · 470 U.S. 532 (1985)
• Goldberg v. Kelly · 397 U.S. 254 (1970)
• Dandridge v. Williams · 397 U.S. 471 (1970)
• Simon v. Eastern Kentucky Welfare Rights Organization · 426 U.S. 26 (1976)
• United States v. Raddatz · 447 U.S. 667 (1980)
• Heckler v. Chaney · 470 U.S. 821 (1985)
• Linda R. S. v. Richard D. · 410 U.S. 614 (1973)
• Duke Power Co. v. Carolina Environmental Study Group, Inc. · 438 U.S. 59 (1978)
• Immigration & Naturalization Service v. Chadha · 462 U.S. 919 (1983)
• Speiser v. Randall · 357 U.S. 513 (1958)

Cited by

Later Supreme Court opinions in our collection that cite this case.

• Commodity Futures Trading Commission v. Schor · 478 U.S. 833 (1986)
• Granfinanciera, S.A. v. Nordberg · 492 U.S. 33 (1989)
• Stern v. Marshall · 564 U.S. 462 (2011)
• SEC v. Jarkesy · 603 U.S. 109 (2024)
• Wellness Int'l Network, Ltd. v. Sharif · 575 U.S. 665 (2015)
• Lewis v. Continental Bank Corp. · 494 U.S. 472 (1990)
• Reno v. Catholic Social Services, Inc. · 509 U.S. 43 (1993)
• Peretz v. United States · 501 U.S. 923 (1991)
• Texas v. United States · 523 U.S. 296 (1998)

Official text

Read the official opinion (U.S. Reports, govinfo.gov)

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Source: the U.S. Reports via govinfo.gov; authoring Justice and vote lineup from the Supreme Court Database (Washington University). Citation count from the Free Law Project’s CourtListener bulk data. Data last verified 2026-07-03. Informational only; verify against the primary source before relying. Not a consumer report (FCRA).