Minnesota Mining & Manufacturing Co. v. Travelers Indemnity Co.

KEITH, Justice.

These three cases present certified questions from the federal district court in Minnesota requiring us to decide whether the costs of complying with directives is*177sued by state and federal environmental agencies to clean up groundwater contamination caused by pollution are covered under the insureds’ comprehensive general liability insurance policies.

The cases present similar factual backgrounds. Tonka Corporation (“Tonka”), Joslyn Corporation (“Joslyn”) and Minnesota Mining and Manufacturing Company (“3M”) have been insured by the various insurance companies involved in these…