Order
Illinois Commerce Commission On Its Own Motion -vs- Ameren Illinois Company d/b/a Ameren Illinois (Zone I); Ameren Illinois Company d/b/a Ameren Illinois (Zone II); Ameren Illinois Company d/b/a Ameren Illinosi (Zone III); Commonwealth Edison Company; Northern Illinois Gas Company d/b/a Nicor Gas Company; North Shore Gas Company; Peoples Gas Light and Coke Company: Reconciliation of revenues collected under coal tar riders with prudent costs associated with :coal tar cleanup expenditures.