Approval and Promulgation of Air Quality Implementation Plans; Colorado; Regional Haze State Implementation Plan
air-emissions · Rule · Published 2018-07-05 · Effective 2018-08-06 · CO · 83 FR 31332
Document
Document number
2018-14387
Federal Register citation
83 FR 31332
CFR reference
40 CFR 52
Type
Rule
Action
Final rule.
Category
air-emissions
Publication date
2018-07-05
Effective date
2018-08-06
State
CO
EPA docket
EPA-R08-OAR-2018-0015
Abstract
The Environmental Protection Agency (EPA) is approving State Implementation Plan (SIP) revisions submitted by the State of Colorado on May 26, 2017, addressing regional haze. The revisions include source-specific revisions to the nitrogen oxides (NO<INF>X</INF>) best available retrofit technology (BART) determination for Craig Station Unit 1 and to the NO<INF>X</INF> reasonable progress determination for the Nucla Station. Both Craig Station Unit 1 and Nucla Station are owned in part and operated by Tri-State Generation & Transmission Association, Inc. (Tri-State). The EPA is taking this action pursuant to section 110 of the Clean Air Act (CAA).