Lead (Pb) Air Quality Standards - Documents from Review Completed in 2008
Federal Register Notices
- Final Revisions to Lead Ambient Air Monitoring Requirements Dec 27, 2010
- Proposed Revisions to Lead Ambient Air Monitoring Requirements Dec 30, 2009
- Final Revisions to National Ambient Air Quality Standards for Lead NAAQS Nov 12, 2008
- Extension of Public Comment Period for Proposed Revisions to Lead NAAQS July 9, 2008
- Announcement of Public Hearings on Lead Proposal May 20, 2008
- Proposed Revisions to National Ambient Air Quality Standards for Lead May 20, 2008
- Notification of Teleconference of the CASAC Ambient Air Monitoring & Methods Subcommittee: Consultation Concerning Ambient Air Monitoring Issues Related to the Lead NAAQS Feb 29, 2008
- Advance Notice of Proposed Rulemaking for Lead NAAQS - Federal Register Notice Dec 17, 2007
- Release of Second Draft - Lead Human Exposure and Health Risk Assessments July 27, 2007
- Release of first draft Staff Paper, Human Exposure and Health Risk Assessments and Ecological Risk Assessment Nov 29, 2006
Litigation
- Court Decision upholding the October 2008 Pb NAAQS (May 2010)(PDF)(53.9 KB)
- Court Order Extending Comment Period and Date for Final Decision (July 2008) (PDF) (1 pg, 13 K)
- Court Order Extending Date for Final Decision (Apr 2008) (PDF) (1 pg, 30 K)
- Court Order Regarding Staff Paper (Aug 2007) (PDF) (3 pp, 41 K)
- Court Order Announcing Schedule (Sept 2005) (PDF) (10 pp, 40 K)
Response to Comments
- Responses to Significant Comments on the 2008 Proposed Rule on the National Ambient Air Quality Standards for Lead (Oct 2008) (PDF) (86 pp, 355 K)
Planning Documents
- Health and Ecological Risk Analysis Plan (May 2006)
- Lead NAAQS Review Plan (Feb 2006)
- Lead Air Quality Criteria Workplan (Jan 2005)
Criteria Documents
- Air Quality Criteria for Lead (Final, Oct 2006)
- Air Quality Criteria for Lead (Second External Review Draft, May 2006)
- Air Quality Criteria for Lead (First External Review Draft, Dec 2005)
Staff Paper
- Errata for November 2007 Staff Paper (Oct 2008) (PDF) (3 pp, 352 K)
- Policy Assessment of Scientific and Technical Information: Final Staff Paper (Nov 2007) (PDF) (344 pp, 6 MB)
- Policy Assessment of Scientific and Technical Information: First Draft Staff Paper (Dec 2006) (PDF) (250 pp, 3 MB)
Technical Documents
-Risk and Exposure Assessment Documents
- Final Human Exposure & Health Risk Assessment (Full-Scale): Volume I. Main Body of Report (Nov 2007)
- Errata for Final Human Exposure & Health Risk Assessment (Full-Scale): Appendices (Oct 2008) (PDF) (2 pp, 454 K)
- Final Human Exposure & Health Risk Assessment (Full-Scale): Appendices (Nov 2007)
- Draft Human Exposure & Health Risk Assessment (Full-Scale): Volume I. Main Body and Volume II. Appendices (July 2007)
- Lead Risk Assessment Pilot Phase Draft Technical Report and Appendices (Dec 2006)
-Technical Memos
- Selection of Airports for Airport Monitoring Study, Hoyer and Pedde memo (Nov 18, 2010)
- Comparison of Number/Percents of Site/Counties Populations That are Not Likely to Meet Various Potential NAAQS Levels Using Various Averaging Times and Forms, Schmidt memo (Oct 6, 2008)
- Analysis of Expected Range of Pb-TSP Concentrations at Non-Source Oriented Monitoring Sites in CBSAs with Population of At Least 500,000, Schmidt and Lorang memo (Oct 15, 2008)
- Scaling Factor: PM10 Versus TSP, Neptune and Co report (Sept 30, 2008)
- Update of Analysis of Proposed Source-oriented Monitoring Emission Threshold, Cavender Memo (Oct 15, 2008)
- Laboratory Determination of Particle Deposition Uniformity on Filters Collected Using Federal Reference Method Samplers, Vanderpool, Kaushik and Houyoux (Oct 7, 2008)
- Documentation of DQO Process Outputs and Proposals for Quality Control of Pb Data from SLAMS Sites, Papp memo (Sept 29, 2008)
- Approaches for the Development of a Low Volume Lead in Total Suspended Particulate (PbTSP) Sampler, Cavender memo (June 19, 2008)
- Draft Federal Reference Method (FRM) Lead and PM10 (Pb-PM10), Rice memo (June 15, 2008)
- Development of Pb-PM10 to Pb-TSP Scaling Factors, Schmidt memo, (April 22, 2008)
- Air-related IQ Loss Evidence-based Framework and Estimates from Quantitative Risk Assessment, Murphy and Pekar memo (April 11, 2008)
- Options for Lead NAAQS Indicator: Monitoring Implications - Cavender memo (March 3, 2008)
- Draft Federal Reference Method (FRM) and Federal Equivalent Method (FEM) Criteria for Lead and PM10 (Pb-PM10) - Rice memo (March 3, 2008)
- Lead NAAQS Ambient Air Monitoring Network: Network Design Options Under Consideration - Cavender memo (March 3, 2008)
- Lead NAAQS Ambient Air Monitoring Network: Sampling Frequency Options Under Consideration - Papp memo (March 3, 2008)
- Review of Collocated Pb-TSP and Pb-PM10 Data - Cavender and Schmidt memo (Nov 26, 2007) (PDF) (5 pp, 219 K)
- Evaluation of Precision and Bias of Pb-TSP Monitor - Camalier and Rice memo (Nov 29, 2007) (PDF) (5 pp, 219 K)
- Review of MDLs for Pb-TSP FRMs and FEMs - Rice memo (Nov 29, 2007)
- Additional Analysis for Primary Lead Smelter Case Study - Pekar and Murphy Draft memo (Aug 16, 2007)
- Correction to Errors Identified in Lanphear et al. 2005 Pooled Analysis Study and Implications for Pilot Risk Assessment - Pekar memo (Jan 26, 2007)
- Correction to Errors Identified in Leggett-Based Blood Lead Modeling Completed for the Pilot Analysis - Pekar memo (Jan 26, 2007)
CASAC Documents
Regulatory Impact Analyses