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Approval and Promulgation of State Implementation Plans; State of Wyoming; Regional Haze Rule Requirements for Mandatory Class I Areas
[May 24, 2012]

Approval and Promulgation of State Implementation Plans; State of Wyoming; Regional Haze Rule Requirements for Mandatory Class I Areas


May 24, 2012 (Environmental Protection Agency Documents and Publications/ContentWorks via COMTEX) -- SUMMARY: EPA is proposing to approve Wyoming State Implementation Plan (SIP) revisions submitted on January 12, 2011 and April 19, 2012 that address regional haze. These SIP revisions were submitted to address the requirements of the Clean Air Act (CAA or Act) and our rules that require states to prevent any future and remedy any existing man-made impairment of visibility in mandatory Class I areas caused by emissions of air pollutants from numerous sources located over a wide geographic area (also referred to as the "regional haze program"). States are required to assure reasonable progress toward the national goal of achieving natural visibility conditions in Class I areas. EPA is taking this action pursuant to section 110 of the CAA.

DATES: Comments must be received on or before July 23, 2012.

ADDRESSES: Submit your comments, identified by Docket ID No. EPA-R08-OAR-2011-0400, by one of the following methods: * http://www.regulations.gov. Follow the on-line instructions for submitting comments.


* Email: [email protected].

* Fax: (303) 312-6064 (please alert the individual listed in the FOR FURTHER INFORMATION CONTACT if you are faxing comments).

* Mail: Carl Daly, Director, Air Program, Environmental Protection Agency (EPA), Region 8, Mailcode 8P-AR, 1595 Wynkoop Street, Denver, Colorado 80202-1129.

* Hand Delivery: Carl Daly, Director, Air Program, Environmental Protection Agency (EPA), Region 8, Mailcode 8P-AR, 1595 Wynkoop, Denver, Colorado 80202-1129. Such deliveries are only accepted Monday through Friday, 8:00 a.m. to 4:30 p.m., excluding Federal holidays. Special arrangements should be made for deliveries of boxed information.

Instructions: Direct your comments to Docket ID No. EPA-R08-OAR-2011-0400. EPA's policy is that all comments received will be included in the public docket without change and may be made available online at http://www.regulations.gov, including any personal information provided, unless the comment includes information claimed to be Confidential Business Information (CBI) or other information whose disclosure is restricted by statute. Do not submit information that you consider to be CBI or otherwise protected through http://www.regulations.gov or email. The http://www.regulations.gov Web site is an "anonymous access" system, which means EPA will not know your identity or contact information unless you provide it in the body of your comment. If you send an email comment directly to EPA, without going through http://www.regulations.gov, your email address will be automatically captured and included as part of the comment that is placed in the public docket and made available on the Internet. If you submit an electronic comment, EPA recommends that you include your name and other contact information in the body of your comment and with any disk or CD-ROM you submit. 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 of special characters, any form of encryption, and be free of any defects or viruses. For additional instructions on submitting comments, go to Section I. General Information of the SUPPLEMENTARY INFORMATION section of this document.

Docket: All documents in the docket are listed in the http://www.regulations.gov index. Although listed in the index, some information is not publicly available, e.g., CBI or other information whose disclosure is restricted by statute. Certain other material, such as copyrighted material, will be publicly available only in hard copy. Publicly-available docket materials are available either electronically in http://www.regulations.gov or in hard copy at the Air Program, Environmental Protection Agency (EPA), Region 8, Mailcode 8P-AR, 1595 Wynkoop, Denver, Colorado 80202-1129. EPA requests that if at all possible, you contact the individual listed in the FOR FURTHER INFORMATION CONTACT section to view the hard copy of the docket. You may view the hard copy of the docket Monday through Friday, 8:00 a.m. to 4:00 p.m., excluding Federal holidays.

FOR FURTHER INFORMATION CONTACT: Laurel Dygowski, Air Program, U.S. Environmental Protection Agency, Region 8, Mailcode 8P-AR, 1595 Wynkoop, Denver, Colorado 80202-1129, (303) 312-6144, [email protected].

SUPPLEMENTARY INFORMATION: For the purpose of this document, we are giving meaning to certain words or initials as follows: i. The words or initials Act or CAA mean or refer to the Clean Air Act, unless the context indicates otherwise.

ii. The initials BART mean or refer to Best Available Retrofit Technology.

iii. The initials CAC mean or refer to clean air corridors.

iv. The initials CEED mean or refer to the Center for Energy and Economic Development.

v. The initials EC mean or refer to elemental carbon.

vi. The initials EGUs mean or refer to electric generating units.

vii. The initials EATS mean or refer to Emissions and Allowance Tracking System viii. The words EPA, we, us or our mean or refer to the United States Environmental Protection Agency.

ix. The initials FETS mean or refer to the Fire Emission Tracking System.

x. The initials GCVTC mean or refer to the Grand Canyon Visibility Transport Commission.

xi. The initials IMPROVE mean or refer to Interagency Monitoring of Protected Visual Environments monitoring network.

xii. The initials MRR mean or refer to monitoring, recordkeeping, and reporting.

xiii. The initials NO X mean or refer to nitrogen oxides.

xiv. The initials OC mean or refer to organic carbon.

xv. The initials PM 2.5 mean or refer to particulate matter with an aerodynamic diameter of less than 2.5 micrometers.

xvi. The initials PM 10 mean or refer to particulate matter with an aerodynamic diameter of less than 10 micrometers.

xvii. The initials RHR mean or refer to the Regional Haze Rule.

xviii. The initials RMC mean or refer to the Regional Modeling Center.

xix. The initials RPO mean or refer to regional planning organization.

xx. The initials SIP mean or refer to State Implementation Plan.

xxi. The initials SO 2 mean or refer to sulfur dioxide.

xxii. The initials TSA mean or refer to the tracking system administrator.

xxiii. The initials TSD mean or refer to Technical Support Document.

xxiv. The initials VOC mean or refer to volatile organic compounds.

xxv. The initials WAQSR mean or refer to Wyoming Air Quality Standards and Regulations.

xxvi. The initials WRAP mean or refer to the Western Regional Air Partnership.

xxvii. The words Wyoming and State mean or refer to the State of Wyoming.

Table of Contents I. General Information A. What should I consider as I prepare my comments for EPA? B. Overview of Proposed Action II. Background Information A. Regional Haze B. Requirements of the CAA and EPA's Regional Haze Rule C. Role of Agencies in Addressing Regional Haze D. Development of the Requirements for 40 CFR 51.309 III. Requirements for Regional Haze SIPs Submitted Under 40 CFR 51.309 A. Projection of Visibility Improvement B. Clean Air Corridors (CACs) C. Stationary Source Reductions 1. Sulfur Dioxide Emission Reductions 2. Provisions for Stationary Source Emissions of Nitrogen Oxides and Particulate Matter D. Mobile Sources E. Programs Related to Fire F. Paved and Unpaved Road Dust G. Pollution Prevention H. Additional Recommendations I. Periodic Implementation Plan Revisions J. Interstate Coordination IV. Additional Requirements for Alternative Programs Under the Regional Haze Rule A. "Better-than-BART" Demonstration B. Elements Required for All Alternative Programs That Have an Emissions Cap 1. Applicability 2. Allowances 3. Monitoring Recordkeeping, and Reporting 4. Tracking System 5. Account Representative 6. Allowance Transfer 7. Compliance Provisions 8. Penalty Provisions 9. Banking of Allowances 10. Program Assessment V. Our Analysis of Wyoming's Submittal A. Projection of Visibility Improvement B. Clean Air Corridors 1. Comprehensive Emissions Tracking Program 2. Identification of Clean Air Corridors 3. Patterns of Growth Within and Outside of the Clean Air Corridor 4. Actions if Impairment Inside or Outside the Clean Air Corridor Occurs 5. Other Clean Air Corridors C. Stationary Source Reductions 1. Provisions for Stationary Source Emissions of Sulfur Dioxide 2. Documentation of Emissions Calculation Methods for Sulfur Dioxide 3. Monitoring, Recordkeeping, and Reporting of Sulfur Dioxide Emissions --This is a summary of a Federal Register article originally published on the page number listed below-- Proposed rule.

CFR Part: "40 CFR Part 52" Citation: "77 FR 30953" Document Number: "EPA-R08-OAR-2011-0400; FRL-9676-2" Federal Register Page Number: "30953" "Proposed Rules"

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