Determination of Attainment, Approval and Promulgation of Air Quality Implementation Plans; Indiana
air-emissions · Rule · Published 2010-03-12 · Effective 2010-04-12 · IN · 75 FR 12088
Document
Document number
2010-5110
Federal Register citation
75 FR 12088
CFR reference
40 CFR 52
Type
Rule
Action
Final rule.
Category
air-emissions
Publication date
2010-03-12
Effective date
2010-04-12
State
IN
EPA docket
EPA-R05-OAR-2009-0512
Abstract
EPA is taking several related actions under the Clean Air Act (CAA) affecting the Indiana portion (Lake and Porter Counties) of the Chicago-Gary-Lake County, Illinois-Indiana (IL-IN) 1997 eight-hour ozone nonattainment area. First, EPA is making a determination that this area has attained the 1997 eight-hour ozone National Ambient Air Quality Standard (NAAQS). In addition, EPA is approving a request from the State of Indiana to exempt sources of Nitrogen Oxides (NO<INF>X</INF>) in Lake and Porter Counties from CAA Reasonably Available Control Technology (RACT) requirements.