On Feburary 19, 2003, The Interstate Natural Gas Association of America (INGAA) subbmitted this cover letter with the comments on the U.S. EPA’s “National Emission Standards for Hazardous Air Pollutants for Stationary Reciprocating Internal Combustion Engines” (IC Engine MACT standard), proposed December 19, 2002, 67 Fed. Reg. 7783.