2024-15953. Air Plan Approval; Colorado; 2017 Base Year Inventory and Emission Statement Rule Marginal Nonattainment Requirements, Revisions to Regulation 3

Title	State effective date	EPA effective date	Final rule citation/date	Comments
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5 CCR 1001-05, Regulation Number 3, Part A, Concerning General Provisions Applicable to Reporting and Permitting
I. Applicability	2/14/2023	[August 21, 2024]	[insert Federal Register citation], 7/22/2024
II. Air Pollution Emission Notice (APEN) Requirements	2/14/2023	[August 21, 2024]	[insert Federal Register citation], 7/22/2024
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(e) * * *

Title	State effective date	EPA effective date	Final rule citation/date	Comments
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Maintenance and Attainment Plan Elements
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Denver Metropolitan Area
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Ozone (8-hour, 2015) DMNFR 2017 Base Year Inventory	2/14/2023	[August 21, 2024]	[insert Federal Register citation], 7/22/2024
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