Assessing the Cumulative Impact of Regulation on US Manufacturers – House Oversight Committee – 2011-03-09 – House Committee on Oversight and Government Reform. Subcommittee on Regulatory Affairs, Stimulus Oversight and Government Spending. Witnesses: Aris Papadopolous, CEO, Titan America LLC, Chairman, Portland Cement Association; Donna Harman, CEO, American Forest and Paper Association; Michael Walls, Vice President, Regulatory and Technical Affairs, American Chemistry Council; Michael Kamnikar, Senior Vice President, Ellwood Group, Incoming President, Forging Industry Association; Bernard Terry Schimmel, Vice President, Technical Services, Boral Bricks, Inc.; David Foerter, Executive Director, Institute of Clean Air Companies.