2019-12156: Approval and Promulgation of Air Quality Implementation Plans; Montana; Incorporation by Reference Updates
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The Environmental Protection Agency (EPA) is proposing to approve State Implementation Plan (SIP) revisions submitted by the State of Montana on August 6, 2018. The revisions include an update to incorporate by reference the 2016 version of the Code of Federal Regulations (CFR) and 2015 version of the United States Code (U.S.C.) within the Adminstrative Rules of Montana (ARM) that are part of the Montana SIP. The revisions also include administrative changes that consolidate the ARM's references to the CFR and U.S.C. and remove two CFR exemptions from incorporation by reference into the ARM. Additional revisions remove incorporation by reference of certain EPA standards for which the state already has delegated authority from the EPA, and correct an internal reference in the ARM.
The agency’s own summary, as published.
What this changes
Amends 1 part of the Code of Federal Regulations — the standing rules this notice rewrites.
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