Oct 6, 2003· Letter to Sims Roy, U.S. Environmental Protection Agency Combustion Group, Emission Standards Division, from Lisa Beal, Director, Environmental Affairs Interstate Natural Gas Association of America· EPA-HQ-OAR-2002-0059-0610
Letter regarding National Emission Standards for Hazardous Air Pollutants for Stationary Reciprocating Internal Combustion Engines (IC Engine MACT standard)