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  2. Reviewing National Ambient Air Quality Standards (NAAQS)

Lead (Pb) Air Quality Standards - Documents from Review Completed in 2016

Federal Register Notices
 

Rulemaking Notices / Public Hearings
  • Review of the National Ambient Air Quality Standards for Lead, Final Rule (PDF)(38 pp, 417 K, October 18, 2016)

    National Ambient Air Quality Standards for Lead, Proposed Rule (PDF)(48 pp, 597 K, January 5, 2015)

Pre-Rulemaking Documents / Availability and Opportunities for Public Comment
  • Notice of Availability - Policy Assessment for the Review of the Lead NAAQS (May 9, 2014)

    Notice of Availability – Final Integrated Science Assessment for Lead (PDF)(1 pg, 207 K, June 26, 2013)

    Notice of Availability and Request for Public Comment - Policy Assessment for the Review of the Lead NAAQS, External Review Draft (PDF)(2 pp, 51 K, Jan 11, 2013)

    Notice of Availability and Request for Public Comment - Integrated Science Assessment for Lead, Third External Review Draft (PDF)(2 pp, 206 K, November, 27, 2012)

  • Notice of Availability and Request for Public Comment - Integrated Science Assessment for Lead, Second External Review Draft (PDF)(3 pp, 169 K, February 2, 2012)

    Notice of Availability - Final Integrated Review Plan for the National Ambient Air Quality Standards for Lead (PDF)(2 pp, 146 K, December 9, 2011)

    Notice of Availability - Risk and Exposure Assessment Planning Document for the Review of the NAAQS for Lead (PDF) (2 pp, 150 K, September 21, 2011)

    Notice of Extension of Public Comment Period - Integrated Science Assessment for Lead, First External Review Draft (PDF)(1 pg, 174 K, July 1, 2011)

    Notice of Availability and Request for Public Comment - Integrated Science Assessment for Lead, First External Review Draft (PDF) (3 pp, 193 K, May 6, 2011)

    Notice of Availability and Request for Public Comment - Draft Integrated Review Plan for the NAAQS for Lead (PDF) (3 pp, 160 K, April 12, 2011)

  • Integrated Science Assessment for Lead - Call for Information (PDF)(2 pp, 141 K, February 26, 2010)
Public Meetings / Workshops
  • Notice of CASAC Teleconference on May 8, 2013 (PDF)(1 pg, 174 K, March 6, 2013)

    Notice of CASAC Meeting on February 5-6, 2013; Notice of CASAC Teleconference on April 1, 2013 (PDF)(2 pp, 179 K, January 7, 2013)

    Notice of CASAC Meeting on April 10-11, 2012; Notice of CASAC Teleconferences on May 30, 2012 and July 16, 2012 (PDF)(2 pp, 191 K, March 13, 2012)

    Notice of CASAC Teleconference on November 28, 2011 (PDF)(2 pp, 149 K, October 24, 2011)

    Notice of CASAC Teleconference on September 15, 2011 (PDF) (2 pp, 180 K, August 18, 2011)

    Notice of CASAC Meeting on July 20-21, 2011 (PDF)(2 pp, 181 K, June 21, 2011)

    Notice of CASAC Teleconference on May 5, 2011 (PDF)(2 pp, 183 K, April 15, 2011)

    Notice of Workshop To Review Draft Materials for Integrated Science Assessment on December 2-3, 2010 (PDF)(1 pg, 43 K, November 10, 2010)

    Notice of CASAC - AAMMS Teleconference on September 15, 2010 (PDF)(2 pp, 145 K, August 23, 2010)

  • Notice of Workshop to Discuss Policy-Relevant Science to Inform EPA's Plan for the Review of the Lead NAAQS (PDF)(2 pp, 175 K, April 21, 2010)

Policy Assessments

  • Policy Assessment for the Review of the Lead NAAQS, Final Report (pdf) (3.1 MB)
  • Policy Assessment for the Review of the Lead NAAQS, External Review Draft (pdf) (3.73 MB)

Risk And Exposure Assessments

The following quantitative risk and exposure assessments informed the EPA's 2016 review of the Pb NAAQS.

2007 REA - Human Exposure and Health Risk Assessment
  • Lead: Human Exposure and Health Risk Assessments for Selected Case Studies: Volume I Human Exposure and Health Risk Assessments - Full-scale (Main Body of Report) (pdf) (1.36 MB)

    Lead: Human Exposure and Health Risk Assessment (Full-Scale): Volume II Appendices (pdf) (13.51 MB)

    Errata for Lead: Human Exposure and Health Risk Assessments for Selected Case Studies. Volume II: Appendices (pdf) (310.76 KB)

2006 REA - Screening-Level Ecological Risk Assessment
  • Lead Human Exposure and Health Risk Assessments and Ecological Risk Assessment for Selected Areas - Pilot Phase: Main Body of Draft Report (pdf) (4.09 MB)

    Lead Human Exposure and Health Risk Assessments and Ecological Risk Assessment for Selected Areas - Pilot Phase: Draft Appendices (pdf) (5.25 MB)

Integrated Science Assessments (ISAs)/Criteria Documents

  • Integrated Science Assessment for Lead, Final - June 2013
  • Integrated Science Assessment for Lead, Third External Review Draft - November 2012
  • Integrated Science Assessment for Lead, Second External Review Draft - February 2012
  • Integrated Science Assessment for Lead, First External Review Draft - May 2011

Planning Documents

  • Integrated Review Plan for the NAAQS for Lead, Final (pdf) (974.03 KB)

    Review of the National Ambient Air Quality Standards for Lead: Risk and Exposure Assessment Planning Document (pdf) (1.08 MB)

    Integrated Review Plan for the NAAQS for Lead, External Review Draft (pdf) (702.83 KB)

CASAC Documents

  • CASAC Documents

You may also be interested in documents from other reviews of the lead NAAQS.

Related Links

  • Air Quality Research
  • Criteria Air Pollutants
  • Table of Current NAAQS
  • Table of Historical Lead NAAQS
  • Information on Lead Monitoring
  • Air Quality Analysis
  • Trends and Design Values

Reviewing National Ambient Air Quality Standards (NAAQS)

  • Carbon Monoxide Standards
  • Lead Standards
  • Nitrogen Dioxide Primary Standards
  • Nitrogen Dioxide Secondary Standards
  • Ozone Standards
  • Particulate Matter Standards
  • Sulfur Dioxide Primary Standards
  • Sulfur Dioxide Secondary Standards
Contact Us about Reviewing National Ambient Air Quality Standards (NAAQS)
Contact Us about Reviewing National Ambient Air Quality Standards (NAAQS) to ask a question, provide feedback, or report a problem.
Last updated on December 1, 2025
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