# Air Plan Approval; Michigan Minor New Source Review
**AGENCY:**
Environmental Protection Agency (EPA).
**ACTION:**
Proposed rule; reopening of the comment period.
**SUMMARY:**
The Environmental Protection Agency (EPA) is reopening the comment period for a proposed Clean Air Act rule published August 15, 2017. Multiple commenters requested additional time to provide comments; therefore, EPA is reopening the comment period for 30 days.
**DATES:**
Comments must be received on or before December 4, 2017.
**ADDRESSES:**
Submit your comments, identified by Docket ID No. EPA-R05-OAR-2007-1092 at *http://www.regulations.gov,* or via email to *[email protected].* For comments submitted at *Regulations.gov* , follow the online instructions for submitting comments. Once submitted, comments cannot be edited or removed from *Regulations.gov* . For either manner of submission, EPA may publish any comment received to its public docket. Do not submit electronically any information you consider to be Confidential Business Information (CBI) or other information whose disclosure is restricted by statute. Multimedia submissions (audio, video, etc.) must be accompanied by a written comment. The written comment is considered the official comment and should include discussion of all points you wish to make. EPA will generally not consider comments or comment contents located outside of the primary submission ( *i.e.* on the Web, cloud, or other file sharing system). For additional submission methods, please contact the person identified in the *For Further Information Contact* section. For the full EPA public comment policy, information about CBI or multimedia submissions, and general guidance on making effective comments, please visit *http://www2.epa.gov/dockets/commenting-epa-dockets.*
**FOR FURTHER INFORMATION CONTACT:**
Rachel Rineheart, Environmental Engineer, Air Permits Section, Air Programs Branch (AR-18J), Environmental Protection Agency, Region 5, 77 West Jackson Boulevard, Chicago, Illinois 60604, (312) 886-7017, *[email protected].*
**SUPPLEMENTARY INFORMATION:**
Throughout this document whenever “we,” “us,” or “our” is used, we mean the EPA.
On August 15, 2017, EPA proposed to approve certain changes to Michigan's minor new source review program which is contained in Part 2 of the Michigan Administrative Code. Specifically, EPA proposed to approve 336.1209, effective 07/26/1995; 336.1201a, 336.1203, 336.1204, 336.1206, 336.1212, 336.1216, effective 07/01/2003; 336.1201, 336.1202, 336.1207, 336.1219, 336.1240, 336.1241, 336.1278, 336.1299, effective 06/20/2008; and 336.1278a, 336.1280, 336.1281, 336.1282, 336.1283, 336.1284, 336.1285, 336.1286, 336.1287, 336.1288, 336.1289, 336.1290, effective 12/20/2016. Multiple commenters requested additional time to provide comments; therefore, EPA is reopening the comment period for 30 days. The comment period now closes on December 4, 2017.
Dated: September 28, 2017.
Robert Kaplan,
Acting Regional Administrator, Region 5.