Section 326IAC1-4-46. Lake County

   The following attainment status designations are applicable to Lake County:

Pollutant	Designation
SO2	Better than national standards.
CO	Attainment effective February 18, 2000, for the part of the city of East Chicago bounded by Columbus Drive on the north; the Indiana Harbor Canal on the west; 148th Street, if extended, on the south; and Euclid Avenue on the east. Unclassifiable or attainment effective November 15, 1990, for the remainder of East Chicago and Lake County.
O3	40 CFR 81.315 as amended by 77 FR 34228.1,2
PM2.5	Attainment effective February 6, 2012, for the annual PM2.5 standard.
PM2.5	Unclassifiable or attainment effective December 13, 2009, for the 24-hour PM2.5 standard.
PM10	Attainment effective March 11, 2003, for the cities of East Chicago, Hammond, Whiting, and Gary. Unclassifiable effective November 15, 1990, for the remainder of Lake County.
NO2	Cannot be classified or better than national standards.
Pb	Unclassifiable or attainment effective December 31, 2011.
1Nonattainment Severe 17 effective November 15, 1990, for the Chicago-Gary-Lake County area for the 1-hour ozone standard which was revoked effective June 15, 2005.
2The department has filed a legal challenge to U.S. EPA's designation in 77 FR 34228.

(Air Pollution Control Division; 326 IAC 1-4-46; filed Dec 26, 2007, 1:43 p.m.: 20080123-IR-326070308FRA; filed Oct 15, 2010, 1:51 p.m.: 20101110-IR-326100342FRA; 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)