EPA Acting Regional Administrator Alexis Strauss signed the following rule on August 15, 2016 and the EPA is submitting it for publication in the Federal Register (FR). While we have taken steps to ensure the accuracy of this version of this rule, it is not the official version. Please refer to the official version in a forthcoming FR publication appearing on the Government Printing Office website, https://www.gpo.gov/fdsys/ , and on www.regulations.gov in Docket Number EPA

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- P ENVIRONMENTAL PROTECTION AGENCY 40 CFR Part 52 [ EPA
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- ] Air Plan Approval; Reno , Nevada; Second 10
- Year C arbon Monoxide Maintenance Plan AGENCY: Environmental Protection Agency (EPA). ACTION: Proposed rule. SUMMARY: The Environmental Protection Agency (EPA) is proposing approval of a State Implementation Plan (SIP) revision submitted by the S tate of Nevada (“State”) . On July 3, 2008 , the EPA redesignated the Truckee Meadows area , consisting largely of the cit ies of Reno and Sparks in Washoe County, Nevada , from nonattainment to attainment for the carbon monoxide National Ambient Air Quality Standards (NAAQS) and approved the State’s plan addressing the area’s maintenance of the NAAQS for ten years. On November 7, 2014, the State submitted to the EPA a second maintenance plan for the Truckee Meadows area that addressed maintenance of the NAAQS through 2030 . The EPA is also proposing to find adequate and approve transportation conformity motor vehicle emissions b udget s for the year s 2015, 2020, 2020, 2025 and 2030. We are making this proposal under the Clean Air Act. DATE: Any comments on this proposal must arrive by [ Insert date 30 days after date of publication in the Federal Register ]. ADDRESSES: Submit your comments, identified by Docket ID No. EPA

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- 0096This document is a prepublication version signed by EPA Acting Regional Administrator Alexis Strauss on August 15, 2016

. We have taken steps to ensure the accuracy of this version, but it is not the official version.

2 at http://www.regulations.gov , or via email to John Kelly , Air Planning Office , at kelly.johnj@epa .gov . For comments submitted at Regulations.gov, follow the online instructions for submitting comments. Once submitted, comments cannot be removed or edited from Regulations.gov. For either manner of submission, the 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. The EPA will generally not consider comments or comment contents located outside of the primary submission (i.e. on the w eb, 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

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. FOR FURTHER INFORMATION CONTACT: John Kelly, EPA Region IX, (415) 947

- 4151, kelly.johnj@epa.gov

. SUPPLEMENTARY INFORMATION: Throughout this document, “we,” “us” and “our” refer to the EPA. This proposal addresses the following local plan , “ Second 10

- Year Maintenance Plan for the Truckee Meadows 8

- Hour Carbon Monoxide Attainment Area, August 28, 2014 ,” and associated motor vehicle emissions budgets . In the Rules and Regulations section of this Federal Register , we are approving this local plan in a direct final action without priorThis document is a prepublication version signed by EPA Acting Regional Administrator Alexis Strauss on August 15, 2016

. We have taken steps to ensure the accuracy of this version, but it is not the official version.

3 propos al because we believe this SIP revision is not controversial. If we receive adverse comments, however, we will publish a timely withdrawal of the direct final rule and address the comments in subsequent action based on this proposed rule. We do not plan to open a second comment period, so anyone interested in commenting should do so at this time. If we do not receive adverse comments, no further activity is planned. For further information, please see the direct final action.

August 15, 2016 /s/

________________ ______________________ Dated: Alexis Strauss , Acting Regional Administrator, Region IX.