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EPA/AR RIN: 2060-AQ44 Publication ID: Spring 2011 
Title: Review of the National Ambient Air Quality Standards for Lead 
Abstract: Under the Clean Air Act Amendments of 1977, 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 November 12, 2008, EPA published a final rule to revise the primary and secondary NAAQS for lead to provide increased protection for public health and welfare. EPA revised the secondary standard to be identical in all respects to the revised primary standard. EPA has now initiated the next review. The review began in May 2010 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, and, if warranted, a Risk/Exposure Assessment, and also a Policy Assessment Document by EPA, with opportunities for review by EPA's Clean Air Scientific Advisory Committee and the public. These documents inform the Administrator's proposed decision as to whether to retain or revise the standards. 
Agency: Environmental Protection Agency(EPA)  Priority: Economically Significant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Long-Term Actions 
Major: Yes  Unfunded Mandates: No 
CFR Citation: 40 CFR 50   
Legal Authority: 42 USC 7408    42 USC 7409   
Legal Deadline:  None
Timetable:
Action Date FR Cite
NPRM  12/00/2013    
Final Action  10/00/2014    
Additional Information: EPA Docket information: EPA-HQ-OAR-2010-0108
Regulatory Flexibility Analysis Required: No  Government Levels Affected: Federal, Local, State, Tribal 
Small Entities Affected: No  Federalism: No 
Included in the Regulatory Plan: No 
RIN Information URL: http://www.epa.gov/ttn/naaqs/standards/pb/s_pb_index.html  
RIN Data Printed in the FR: No 
Agency Contact:
Deirdre Murphy
Environmental Protection Agency
Air and Radiation
C539-02,
Research Triangle Park, NC 27709
Phone:919 541-0729
Fax:919 541-0840
Email: murphy.deirdre@epa.gov

Karen Martin
Environmental Protection Agency
Air and Radiation
C504-06,
Research Triangle Park, NC 27711
Phone:919 541-5274
Fax:919 541-0237
Email: Martin.Karen@epamail.epa.gov