General Chemical Group Inc. The Group's principal activities are to produce and supply soda ash and calcium chloride to a broad range of industrial and municipal customers. Soda ash, produced by the Group, is used in the manufacture of glass, sodium chemicals, detergents, paper, textiles food and many other consumer products. The Group's calcium chloride is utilized by highway and road maintenance organizations for dust control and roadbed stabilization and for de-icing roads and sidewalks during winter. The Group produces natural soda ash from trona ore at its Green River, Wyoming facility. The Group at its facilities in Amherstburg, Ontario, Canada and Manistee, Michigan produces calcium chloride. Soda Ash accounted for 80% of 2002 revenues and Calcium Chloride, 20%.