Authority: IC 13-14-8; IC 13-17-3
Affected: IC 13-15; IC 13-17
Sec. 46.
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 | Attainment effective May 20, 2022, for the 2008 8-hour ozone standard. |
O3 | Moderate nonattainment effective November 7, 2022, for the 2015 8-hour ozone standard for Calumet, Hobart, North, Ross, and St. John townships. Unclassifiable or attainment effective August 3, 2018, for the remainder of the county. |
PM2.5 | Unclassifiable or attainment effective January 28, 2019, for the 2012 annual PM2.5 standard. |
PM2.5 | Unclassifiable or attainment effective December 13, 2009, for the 2006 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 | Unclassifiable or attainment effective January 29, 2012, for the 2010 NO2 standard. |
Pb | Unclassifiable or attainment effective December 31, 2011, for the 2008 lead standard. |
326 IAC 1-4-46
Emergency Rule, LSA Document #20-560(E), temporarily supersedes this section, effective November 5, 2020. See LSA Document 20-560(E) posted at 20201111-IR-326200560ERA.