Calgon Carbon Corporation. The group's principal activity is to provide services and solutions for purifying water and air, food, beverage, and industrial process streams. The Group's operates in four business segments: Activated Carbon, Service, Engineered Solutions and Consumer. The Activated Carbon and Service segments rely on activated carbon as a base material, while Engineered Solutions relies on a variety of other methods and materials that do not involve activated carbon. The Service segment reactivates spent carbon and the leasing, monitoring and maintenance of mobile carbon absorption equipment. The Engineered solutions segment provides solutions to air and water process problems. The Consumer health segment provides purification technologies directly to the customers. The Group's products are sold in the United States, Europe, Japan, Canada, Latin America and Asia. Activated Carbon accounted for 39% of 2002 revenues; service, 36%, Engineered solutions, 16% and Consumer Health, 9%.