Section 326IAC1-4-74. Spencer County

   The following attainment status designations are applicable to Spencer County:

Pollutant	Designation
SO2	Better than national standards.
CO	Unclassifiable or attainment effective November 15, 1990.
O3	Unclassifiable or attainment effective July 20, 2012, for the 2008 8-hour ozone standard.1
PM2.5	Attainment effective October 27, 2011, for the annual PM2.5 standard for Ohio Township. Unclassifiable or attainment effective April 5, 2005, for the annual PM2.5 standard for the remainder of the county.
PM2.5	Unclassifiable or attainment effective December 13, 2009, for the 24-hour PM2.5 standard.
PM10	Unclassifiable effective November 15, 1990.
NO2	Cannot be classified or better than national standards.
Pb	Unclassifiable or attainment effective December 31, 2011.
1Unclassifiable or attainment effective October 18, 2000, for the 1-hour ozone standard which was revoked effective June 15, 2005.

(Air Pollution Control Division; 326 IAC 1-4-74; filed Dec 26, 2007, 1:43 p.m.: 20080123-IR-326070308FRA; filed Jun 7, 2012, 11:21 a.m.: 20120704-IR-326110742FRA; filed Jan 30, 2013, 12:34 p.m.: 20130227-IR-326110774FRA; filed Oct 25, 2013, 2:41 p.m.: 20131120-IR-326130164FRA)