§204.500. Major Source Baseline Date  


Latest version.
  • "Major source baseline date" means:

     

    a)         In the case of PM10 and SO2, January 6, 1975;

     

    b)         In the case of NO2, February 8, 1988; and

     

    c)         In the case of PM2.5, October 20, 2010.