The Institute of Clean Air Companies (ICAC)  is the national association of companies that supply air pollution monitoring and control systems, equipment, and services for stationary sources. ICAC has promoted the air pollution control industry and encouraged improvement of engineering and technical standards since 1960. Our members are leading manufacturers of equipment to monitor and control emissions of particulate, VOC, SO2, NOx,air toxics and greenhouse gases. Breaking News.... April 21, 2008~  Commercial Mercury Control Equipment Bookings (PDF)  February 26, 2008 ~ ICAC Releases Guidelines for Evaluating and Selecting Wet Electrostatic Precipitator Equipment    If you have comments or suggestions regarding this web site, please email Carolyn Slaughter, Web Administrator. Copyright © 2008 Institute of Clean Air Companies