Burns residues (tops and limbs) from logging operations for area paper mills, mill waste and recycled wood. Single stoker-type boiler manufactured by Zurn Industries and a GE steam turbine generator. The Michigan Department of Environmental Quality, on March 28, 2001, turned down a proposal by a utility in Cadillac to begin burning scrap tires as fuel without modern air pollution controls. On February 21, 2001, more than 600 Cadillac-area residents turned up at a DEQ public hearing, to argue that in considering allowing tire incineration without scrubbers, the state was turning a solid waste disposal problem into an air quality problem