1986 Distributed $951 million as partial payment in a class action lawsuit
1986 Indian government filed Bhopal suit against Union Carbide, seeking $3 billion.
1986 Distributed $102 million as partial payment in a class action lawsuit
1987. Union Carbide Corporation operated a uranium mine in Uravan, Colorado from the 1930s to 1984. In 1987, UC signed an agreement to pay $40 million to clean up its Uravan uranium contamination, and to pay the state $2.8 million in legal costs.
1987: Union Carbide to pay $408,500 to settle 556 alleged health and safety regulations violations at its West Virginia plants.
1988 Explosion of 4,300 pounds of ethylene oxide at West Virginia; tetranaphthalene was spilled into the Kanawha River.1988 Payment of $31.7 million in tentative settlement of a class action lawsuit
1988 Bhopal court issues arrest warrant for former Union Carbide chairman Warren Anderson after he failed to respond to a summons.
1989. Union Carbide, one of three defendents in an asbestos cancer lawsuit, settled for $900,000.
1989-1990. GAF-Boyd Jeffries-Union Carbide stock manipulation case.
1989 EPA proposed civil penalty of $325,000 against Union Carbide Corporation for violations of the Clean Water Act.
1990. Court rejected a challenge by Union Carbide to overrule EPA regulations from 1989 on hazardous waste landfill liners and leak detection systems.
1990 Union Carbide facility leaked methyl isocyanate gas, injuring seven workers, and muriatic acid, after which 15,000 residents were ordered to remain indoors.
1990 Mexican environmental agency took action against Union Carbide for illegally dumping hazardous waste at Matamoros, Mexico, near Brownsville, Texas.
1991 Explosion at Union Carbide plant killed worker, and injured 26 others. Plant shutdown cost UC $50 million in income. In September, OSHA proposed a fine of $2,803,500 for 112 willful viola