U.S. Environmental Protection Agency
Office of Mobile Sources

Tier 2/Gasoline Sulfur Proposed Rulemaking

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Index of Information Available on this Page:
*Rulemaking Documents, Fact Sheets *Tier 2 Study
*Emission Modeling *Links to Related EPA Sites
*Public Participation, Small Business Issues *External LinksExit
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Fact Sheets on the Proposal


Rulemaking Documents

[Preamble and Regulations] [Supplemental Notices]

[Draft Regulatory Impact Analysis] [SBREFA Report]


Supplemental Notices
  • The Administrator signed the following document on 10-21-99 and it is being submitted for publication in the Federal Register. While EPA has taken steps to ensure the accuracy of this internet version of the rule, it is not the official document for purposes of public comment or compliance. Please refer to the forthcoming Federal Register publication for this action. you can access the Federal Register on the internet at http://www.access.gpo.gov/su_docs/aces/aces140.html. When using this site, note that "text" files may be incomplete because they do not include graphics. Look for "Adobe Portable Document Format" (PDF) files.

    Supplemental Notice on Reinstatement of the 1-hour Ozone Air Quality Standard [WPD] [PDF]

  • 10-21-99 Memo to the Air Docket: Recent Design Values for Counties Predicted by Regional Ozone Modeling to Have 1-Hour Ozone Exceedances in 2007 Without Tier 2/Sulfur Control [ WPD] [ PDF]
    Philip A. Lorang, EPA Office of Air Quality Planning and Standards
  • 30-June-99 Clarification of Proposed Rule, Provision of Supplemental Information and Request for Comment
    *Published in the Federal Register on June 30, 1999
    (pp.35112-35119) [HTML] [PDF]

Preamble and Regulations
  • 13-May-99 Notice of Proposed Rulemaking
    *Published in the Federal Register on May 13, 1999:
    (pp.26003-26052) [TEXT] [PDF]
    (pp.26053-26102) [TEXT] [PDF]
    (pp.26103-26142) [TEXT] [PDF]
    *Text files are also available on EPA's Federal Register site: (pp.26003-26052) [TEXT]
    (pp.26053-26102) [TEXT]
    (pp.26103-26142) [TEXT]

Draft Regulatory Impact Analysis
  • 13-May-99 Regulatory Impact Analysis
    Full Document [4.1 MB WPD] - this may take a long time to download, please be patient.
    Executive Summary [9K PDF]
    Table of Contents [24K PDF]
    List of Acronyms [3K PDF]
    List of Tables [24K PDF]
    List of Figures [8K PDF]
    Chapter I: Introduction [15K PDF]
    Chapter II: Health and Welfare Concerns [32K PDF]
    Chapter III: Environmental Impact [315K PDF]
    Chapter IV: Technological Feasibility [233K PDF]
    Chapter V: Economic Impact [346K PDF]
    Chapter VI: Cost-Effectiveness [88K PDF]
    Chapter VII: Benefit-Cost Analysis [333K PDF]
    Chapter VIII: Regulatory Flexibility [40K PDF]
    Appendix A: 47-State and Four Cities Analysis [244K PDF]
    Appendix B: Evidence Supporting the Irreversibility of Sulfur's Emission Impact [87K PDF]
    Appendix C: One-hour and Eight-hour County Design Values [375K PDF]
    Appendix D: EPA's Legal Authority for Proposing Gasoline Sulfur Controls [30K PDF]


Report of the Small Business Advocacy Review Panel
  • 13-May-99
    Final Report of the SBREFA Small Business Advocacy Review Panel,
    Cover letter from the Panel to Carol M. Browner, EPA Administrator
  • Federal Register
    When using this site, note that text files may be incomplete because they do not include graphics. Instead, select Adobe Portable Document Format files [(PDF) files.]

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Public Participation

Public Comments

Thank you for your comments. The comment period closed on August 2, 1999.

Public Hearings

EPA held five days of public hearings on the Tier 2/Gasoline Sulfur proposal in four different locations. Transcripts of the hearings are posted below and are available in the rulemaking docket.

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Small Business Issues


  • Cover letter from the Panel to Carol M. Browner, EPA Administrator


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Links to Related EPA Sites

[ Air Quality] [Air Toxics] [Modeling] [Other]

Air Quality


Air Toxics


Other

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External Links to Related Information

Below are links to other Web sites that may have useful information about air pollution and/or vehicle emissions. These links are provided for convenience only and no endorsement by EPA is intended. By visiting these non-EPA sites, you leave the domain of EPA and OMS and neither EPA nor OMS assumes any responsibility for any aspect of these sites, nor for your use of these sites. Information contained on these sites can in no way be assumed to replace EPA guidance or policies.

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Last updated: 22 Sep 2000

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