In a verdict worth more than $52 million to a pair of insurers, a federal court has enforced a policy exclusion that bars claims for “exposure to asbestosis” despite finding that the phrase “does not make sense.”

U.S. District Judge Lawrence F. Stengel’s 122-page opinion in AstenJohnson Inc. v. Columbia Casualty Co. announced his verdict after a three-week nonjury trial held last year.