Approval and Promulgation of Implementation Plans: Alabama: Proposed Approval of Revisions to the Visible Emissions Rule and Alternative Proposed Disapproval of Revisions to the Visible Emissions Rule; Informational Notice

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The purpose of this notice is to inform the public that EPA has added a memorandum to the docket to explain the source of information for two exhibits that were provided in the original docket for the rulemaking entitled "Proposed Approval of Revisions to the Visible Emissions Rule and Alternative Proposed Disapproval of Revisions to the Visible Emissions Rule." The comment period for this proposed rulemaking was originally scheduled to close on November 16, 2009; however, EPA published a subsequent notice in the Federal Register extending the comment period for this proposed rulemaking to December 16, 2009 (74 FR 57978).