Reviewing National Ambient Air Quality Standards (NAAQS)
Lead (Pb) Standards -
Documents from Review Completed in 2008 -
Federal Register Notices
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| File Description | File Date | File Types | |
| Final Revisions to Lead Ambient Air Monitoring Requirements | Dec 27, 2010 |  199 kb |
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| Proposed Revisions to Lead Ambient Air Monitoring Requirements | Dec 30, 2009 | 209 kb |
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| Final Revisions to National Ambient Air Quality Standards for Lead | Nov 12, 2008 | 1.2 MB |
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| Extension of Public Comment Period for Proposed Revisions to Lead NAAQS | July 9, 2008 | 107 KB |
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| Announcement of Public Hearings on Lead Proposal | May 20, 2008 | 62 KB |
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| Proposed Revisions to National Ambient Air Quality Standards for Lead | May 20, 2008 | 746 KB |
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| 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 | 81 KB |
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| Advance Notice of Proposed Rulemaking for Lead NAAQS - Federal Register Notice | Dec 17, 2007 | 2.9 MB |
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| Advance Notice of Proposed Rulemaking for Lead NAAQS - prepublication document - CASAC review | Dec 2007 | 641 KB |
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| Release of Second Draft - Lead Human Exposure and Health Risk Assessments | Jul 27, 2007 | 83 KB |
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| Release of first draft Staff Paper, Human Exposure and Health Risk Assessments and Ecological Risk Assessment | Nov 29, 2006 | 76 KB |