Section 326IAC2-2-16. Ambient air ceilings

   No concentration of a pollutant under this rule shall exceed the concentration permitted under the national:

(1) secondary ambient air quality standard as listed under 40 CFR 50.5 through 40 CFR 50.7* and 40 CFR 50.9* through 40 CFR 50.12*; or

(2) primary ambient air quality standard as listed under 40 CFR 50.4*, 40 CFR 50.6* through 40 CFR 50.9*, 40 CFR 50.11*, and 40 CFR 50.12*;

whichever concentration is lowest for the pollutant for a period of exposure.

  *These documents are incorporated by reference. Copies may be obtained from the Government Printing Office, 732 North Capitol Street NW, Washington, D.C. 20401 or are available for review and copying at the Indiana Department of Environmental Management, Office of Air Quality, Indiana Government Center-North, Tenth Floor, 100 North Senate Avenue, Indianapolis, Indiana 46204. (Air Pollution Control Division; 326 IAC 2-2-16; filed Mar 23, 2001, 3:03 p.m.: 24 IR 2429; errata filed Dec 12, 2002, 3:30 p.m.: 26 IR 1565; filed Aug 26, 2004, 11:30 a.m.: 28 IR 20)