TITLE 326 AIR POLLUTION CONTROL DIVISION
Emergency Rule
LSA Document #22-284(E)
DIGEST
Temporarily amends 326 IAC 1-4-46 and 326 IAC 1-4-65 to update the attainment designation status for Lake and Porter counties for the 2008 8-hour ozone standard, and the 2015 8-hour ozone standard for specific townships in Porter County. Statutory authority: IC 13-14-8-1. Effective September 15, 2022.
(b) The following attainment status designations are applicable to Lake County:
| |
| Pollutant | Designation |
| SO2 | Unclassifiable or attainment effective April 9, 2018, for the 2010 primary 1-hour SO2 standard. |
| SO2 | Better than the national standard for the 1971 secondary 3-hour SO2 standard effective October 26, 2005. |
| 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 | Marginal nonattainment effective August 3, 2018, for the 2015 8-hour ozone standard for Calumet Township, Hobart Township, North Township, Ross Township, and St. John Township. Unclassifiable or attainment effective August 3, 2018, for the 2015 8-hour ozone standard 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. |
(b) The following attainment status designations are applicable to Porter County:
| |
| Pollutant | Designation |
| SO2 | Unclassifiable or attainment effective April 30, 2021, for the 2010 primary 1-hour SO2 standard. |
| SO2 | Cannot be classified for the 1971 secondary 3-hour SO2 standard effective October 5, 1978, for the area bounded on the north by Lake Michigan, on the west by the Lake County and Porter County line, on the south by I-80 and I-90, and on the east by the LaPorte County and Porter County line. Better than the secondary 3-hour SO2 standard for the remainder of the county effective October 5, 1978. |
| CO | Unclassifiable or attainment effective November 15, 1990. |
| O3 | Attainment effective May 20, 2022, for the 2008 8-hour ozone standard. |
| O3 | Marginal nonattainment effective July 14, 2021, for the 2015 8-hour ozone standard for Center, Jackson, Liberty, Pine, Portage, Union, Washington, and Westchester 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 | Unclassifiable effective November 15, 1990. |
| 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. |
SECTION 3. A variance request from the requirements of this document shall be made in accordance with IC 13-14-8-8.
Filed with Publisher: September 15, 2022, 12:21 p.m.
Posted: 09/21/2022 by Legislative Services Agency
DIN: 20220921-IR-326220284ERA
Composed: Apr 30,2024 1:21:44PM EDT
A PDF version of this document.
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