Where the insurance policies in question unambiguously designate how occurrences should be determined and grouped, the court has no need to interpret or apply other rules or tests and is in error to do so.The 1st District Appellate Court reversed and remanded the decision of Cook County Circuit Judge Thomas Allen.Ammco Tools Inc. was a manufacturer of automobile brake equipment between the 1950s and the 1980s. Although the equipment did not contain asbestos, when the brake shoe grinders, brake lathes and other equipment …