Approval and Promulgation of Air Quality Implementation Plans; Indiana
air-emissions · Rule · Published 2009-12-28 · Effective 2010-02-26 · IN · 74 FR 68541
Document
Document number
E9-30406
Federal Register citation
74 FR 68541
CFR reference
40 CFR 52
Type
Rule
Action
Direct final rule.
Category
air-emissions
Publication date
2009-12-28
Effective date
2010-02-26
State
IN
EPA docket
EPA-R05-OAR-2008-0515
Abstract
Indiana has requested that EPA approve as revisions to its State Implementation Plan (SIP) both its continuous emission monitoring rule and alternative monitoring requirements for Alcoa Power Generating, Inc.--Warrick Power Plant. The alternative monitoring requirements allow the use of a particulate matter (PM) continuous emissions monitoring system (CEMS) in place of a continuous opacity monitor system (COMS).