The Environmental Protection Agency (EPA) is revising the format of materials submitted by the state of Montana that are incorporated by reference (IBR) into its State Implementation Plan (SIP). The regulations affected by this format change have all been previously submitted by Montana and approved by the EPA.
Document
Approval and Promulgation of Air Quality Implementation Plans; Montana; Revised Format for Materials Being Incorporated by Reference for Montana
The Environmental Protection Agency (EPA) is revising the format of materials submitted by the state of Montana that are incorporated by reference (IBR) into its State Implement...
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Federal Register Citation
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80 FR 22909
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Suggested Web Citation
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“Approval and Promulgation of Air Quality Implementation Plans; Montana; Revised Format for Materials Being Incorporated by Reference for Montana,” thefederalregister.org (April 24, 2015), https://thefederalregister.org/documents/2015-09414/approval-and-promulgation-of-air-quality-implementation-plans-montana-revised-format-for-materials-being-incorporated-by.