Approval and Promulgation of Implementation Plans; Kentucky: Approval of Revisions to the State Implementation Plan

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EPA is correcting the state implementation plan (SIP) for the Commonwealth of Kentucky to remove the "Potentially hazardous matter or toxic substances" rule upon request of the Commonwealth of Kentucky made through the Kentucky Division for Air Quality (KDAQ). EPA has determined that this rule--401 Kentucky Administrative Regulations (KAR) 63:020--was erroneously incorporated into the SIP because the rule is not related to the attainment and maintenance of the national ambient air quality standards (NAAQS). For this reason, EPA is correcting this error and removing this rule from the approved Kentucky SIP pursuant to section 110(k)(6) of the Clean Air Act (CAA). This final rule also addresses comments made on the proposed rulemaking EPA previously published for this action.