<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<REGINFO_RIN_DATA xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" RUN_DATE="2026-04-23-04:00" xsi:noNamespaceSchemaLocation="https://www.reginfo.gov/public/xml/REGINFO_XML_Ver10262011.xsd">
    <RIN_INFO>
        <RIN>2060-AP38</RIN>
        <PUBLICATION>
            <PUBLICATION_ID>201404</PUBLICATION_ID>
            <PUBLICATION_TITLE>Unified Agenda of Federal Regulatory and Deregulatory Actions</PUBLICATION_TITLE>
        </PUBLICATION>
        <AGENCY>
            <CODE>2060</CODE>
            <NAME>Air and Radiation</NAME>
            <ACRONYM>AR</ACRONYM>
        </AGENCY>
        <PARENT_AGENCY>
            <CODE>2000</CODE>
            <NAME>Environmental Protection Agency</NAME>
            <ACRONYM>EPA</ACRONYM>
        </PARENT_AGENCY>
        <RULE_TITLE>Review of the National Ambient Air Quality Standards for Ozone</RULE_TITLE>
        <ABSTRACT><![CDATA[Under the Clean Air Act, EPA is required to review and, if appropriate, revise the air quality criteria for the primary (health-based) and secondary (welfare-based) national ambient air quality standards (NAAQS) every 5 years. On March 23, 2008, the EPA published a final rule to revise the primary and secondary NAAQS for ozone to provide increased protection of public health and welfare. With regard to the primary standard for ozone, EPA revised the level of the 8-hour ozone standard to 0.075 ppm. With regard to the secondary ozone standard, EPA made it identical in all respects to the primary ozone standard, as revised. The D.C. Circuit upheld the primary standard, but remanded the secondary standard back to EPA. EPA initiated the current review in October 2008 with a workshop to discuss key policy-relevant issues around which EPA would structure the review. This review includes the preparation of an Integrated Science Assessment, Risk/Exposure Assessment, and a Policy Assessment Document by EPA, with opportunities for review by EPA's Clean Air Scientific Advisory Committee and the public.]]></ABSTRACT>
        <PRIORITY_CATEGORY>Economically Significant</PRIORITY_CATEGORY>
        <RIN_STATUS>Previously Published in The Unified Agenda</RIN_STATUS>
        <RULE_STAGE>Proposed Rule Stage</RULE_STAGE>
        <MAJOR>Yes</MAJOR>
        <UNFUNDED_MANDATE_LIST>
            <UNFUNDED_MANDATE>No</UNFUNDED_MANDATE>
        </UNFUNDED_MANDATE_LIST>
        <CFR_LIST>
            <CFR>40 CFR 50</CFR>
        </CFR_LIST>
        <LEGAL_AUTHORITY_LIST>
            <LEGAL_AUTHORITY>42 USC 7408</LEGAL_AUTHORITY>
            <LEGAL_AUTHORITY>42 USC 7409</LEGAL_AUTHORITY>
        </LEGAL_AUTHORITY_LIST>
        <LEGAL_DLINE_LIST>
            <LEGAL_DLINE_INFO>
                <DLINE_TYPE></DLINE_TYPE>
                <DLINE_ACTION_STAGE>None</DLINE_ACTION_STAGE>
                <DLINE_DATE></DLINE_DATE>
                <DLINE_DESC></DLINE_DESC>
            </LEGAL_DLINE_INFO>
        </LEGAL_DLINE_LIST>
        <RPLAN_ENTRY>No</RPLAN_ENTRY>
        <TIMETABLE_LIST>
            <TIMETABLE>
                <TTBL_ACTION>Notice</TTBL_ACTION>
                <TTBL_DATE>04/28/2011</TTBL_DATE>
                <FR_CITATION>76 FR 23755</FR_CITATION>
            </TIMETABLE>
            <TIMETABLE>
                <TTBL_ACTION>NPRM</TTBL_ACTION>
                <TTBL_DATE>12/00/2014</TTBL_DATE>
            </TIMETABLE>
        </TIMETABLE_LIST>
        <ADDITIONAL_INFO>Docket #:EPA-HQ-OAR-2008-0699</ADDITIONAL_INFO>
        <RFA_REQUIRED>No</RFA_REQUIRED>
        <SMALL_ENTITY_LIST>
            <SMALL_ENTITY>No</SMALL_ENTITY>
        </SMALL_ENTITY_LIST>
        <GOVT_LEVEL_LIST>
            <GOVT_LEVEL>Federal</GOVT_LEVEL>
            <GOVT_LEVEL>Local</GOVT_LEVEL>
            <GOVT_LEVEL>State</GOVT_LEVEL>
            <GOVT_LEVEL>Tribal</GOVT_LEVEL>
        </GOVT_LEVEL_LIST>
        <FEDERALISM>No</FEDERALISM>
        <ENERGY_AFFECTED>No</ENERGY_AFFECTED>
        <FURTHER_INFO_URL>http://www.epa.gov/ozone/</FURTHER_INFO_URL>
        <PRINT_PAPER>No</PRINT_PAPER>
        <INTERNATIONAL_INTEREST>No</INTERNATIONAL_INTEREST>
        <AGENCY_CONTACT_LIST>
            <CONTACT>
                <FIRST_NAME>Susan</FIRST_NAME>
                <LAST_NAME>Stone</LAST_NAME>
                <AGENCY>
                    <CODE>2060</CODE>
                    <NAME>Office of Air and Radiation</NAME>
                    <ACRONYM>OAR</ACRONYM>
                </AGENCY>
                <PHONE>919 541-1146</PHONE>
                <FAX>919 541-0237</FAX>
                <EMAIL>stone.susan@epa.gov</EMAIL>
                <MAILING_ADDRESS>
                    <STREET_ADDRESS>C504-06,</STREET_ADDRESS>
                    <CITY>Research Triangle Park</CITY>
                    <STATE>NC</STATE>
                    <ZIP>27711</ZIP>
                </MAILING_ADDRESS>
            </CONTACT>
            <CONTACT>
                <FIRST_NAME>Karen</FIRST_NAME>
                <LAST_NAME>Martin</LAST_NAME>
                <AGENCY>
                    <CODE>2060</CODE>
                    <NAME>Office of Air and Radiation</NAME>
                    <ACRONYM>OAR</ACRONYM>
                </AGENCY>
                <PHONE>919 541-5274</PHONE>
                <FAX>919 541-0237</FAX>
                <EMAIL>Martin.Karen@epamail.epa.gov</EMAIL>
                <MAILING_ADDRESS>
                    <STREET_ADDRESS>C504-06,</STREET_ADDRESS>
                    <CITY>Research Triangle Park</CITY>
                    <STATE>NC</STATE>
                    <ZIP>27711</ZIP>
                </MAILING_ADDRESS>
            </CONTACT>
        </AGENCY_CONTACT_LIST>
    </RIN_INFO>
</REGINFO_RIN_DATA>
