E PA Reg ional Administrator, Jared Blumenfeld , signed the following proposed

ru le on January 30 , 201 4 , and EPA is submitting it for publication in the Federal Register (FR). While we have taken steps to ensure the accuracy of this Internet version of the proposed rule, it is not the official version. Please refer to the official version in a forthcoming FR publication appearing on the Government Printing Office’s FDsys website, http://fdsys.gpo.gov/fdsys/search/home.action and on Regulation.gov in Docket Number EPA

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ENVIRONMENTAL PROTECTION AGENCY

40 CFR Part 52 [ EPA
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Approval and Promulgation of Implementation Plans; California ; San Francisco Bay Area and Chico Nonattainment Areas; F ine

Particulate Matter Emission Inventories AGENCY: Environmental Protection Agency (EPA).
ACTION: Proposed rule. SUMMARY: EPA is proposing to approve revisions to the California State Implementation Plan (SIP) concern ing emission i nventories for the 2006 24

- hour fine partic le National Ambient Air Quality Standard ( NAAQS ) for the San Francisco Bay Area and Chico PM 2.5 nonattainment areas. We are approving these emission s inventories under the Clean Air Act (CAA or the Act).
DATE : Any comments on this proposal must arrive by [In sert date 30 days from date of publication in the Federal Register]
. ADDRESSES: Submit comments, identified by docket number EPA
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- 0599 , by one of the following methods:This document is a prepublication version signed by EPA R egional

Administrator Jared Blumenfeld on January 30 , 201 4 . We have taken steps to ensure the accuracy of this version, but it is not the official version.

2 1. Federal eRulemaking Portal: www.regulations.gov . Follow the on

- line instructions. 2. E
- mail: steckel.andrew@epa.gov
. 3. Mail or deliver: Andrew Steckel (Air

- 4), U.S. Environmental Protection Agency Region IX, 75 Hawthorne Street, San Francisco, CA 94105

- 3901. Instructions: All comments will be included in the public docket without change and may be made available online at www.regulations.gov , including any personal information provided, unless the comme nt includes Confidential Business Information (CBI) or other information whose disclosure is restricted by statute. Information that you consider CBI or otherwise protected should be clearly identified as such and should not be submitted through www.regulations.gov or e - mail. www.regulations.gov is an “anonymous access” system , and EPA will not know your identity or contact information unless you provide it in the body of your comment. If you send e

- mail directly to EPA, your e

- mail address will be automatically captured and included as part of the public comment. If EPA cannot read your comment due to technical difficulties and cannot contact you for clarification, EPA may not be able to consider your comment. Electronic files should avoid the use ofThis document is a prepublication version signed by EPA R egional

Administrator Jared Blumenfeld on January 30 , 201 4 . We have taken steps to ensure the accuracy of this version, but it is not the official version.

3 special characters, any form of encryption, and be free of any defects or viruses. Docket: Generally, documents in the docket for this action are available electronically at www.regulations.gov and in hard copy at EPA Region IX, 75 Hawthorne Street, San Francisco, California 94105

- 3901 . While all documents in the docket are listed at www.regula tions.gov , some information may be publicly available only at the hard copy location (e.g., copyrighted material, large maps), and some may not be publicly available in either locati on (e.g., CBI). To inspect the hard copy materials, please schedule an app ointment during normal business hours with the contact listed in the FOR FURTHER INFORMATION CONTACT section.
FOR FURTHER INFORMATION CONTACT: Nancy Levin, EPA Region IX, (415) 9 7 2

- 3 848 , levin.nancy @epa.gov. SUPPLEMENTARY INFORMATION: This proposal addresses the submitted
PM 2.5 emission inventories for the San Francisco Bay Area and Chico nonattainment areas . In the Rules and Regulations section of this Federal Register , we are approving submitted emission inventories in a direct final action without prior proposal because we believe these SIP revisions are not controversial. If we receive adverse comments, however, we will publish a timely withdrawal of the direct final rule and address the comments inThis document is a prepublication version signed by EPA R egional

Administrator Jared Blumenfeld on January 30 , 201 4 . We have taken steps to ensure the accuracy of this version, but it is not the official version.

4 subsequent acti on based on this proposed rule . Please note that if we receive adverse comment on an amendment, paragraph, or section of this rule and if that provision may be severed from the remainder of the rule, we may adopt as final those provisions of the rule that are not the subject of an adverse
comment. We do not plan to open a second comment period, so anyone interested in comment ing should do so at this time. If we do not receive adverse comments, no further activity is planned. For further information, pleas e see the direct final action.

________________ ______________________ Date Jared Blumenfeld , Regional Administrator , Region IX
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