Approval and Promulgation of Air Quality Implementation Plans; State of Montana; Billings Carbon Monoxide Redesignation to Attainment and Designation of Areas for Air Quality Planning Purposes

air-emissions · Rule · Published 2002-02-21 · Effective 2002-04-22 · MT · 67 FR 7966

Document

Document number: 02-4062
Federal Register citation: 67 FR 7966
CFR reference: 40 CFR 52
Type: Rule
Action: Direct final rule.
Category: air-emissions
Publication date: 2002-02-21
Effective date: 2002-04-22
State: MT
EPA docket: MT-001-0036a

Abstract

On February 9, 2001, the Governor of Montana submitted a request to redesignate the Billings "not classified" carbon monoxide (CO) nonattainment area to attainment for the CO National Ambient Air Quality Standard (NAAQS). The Governor also submitted a CO maintenance plan. In this action, EPA is approving the Billings CO redesignation request and the maintenance plan.

Source

Authoritative: Federal Register document
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