Lead (Pb) Standards - Risk and Exposure Assessments from Review Completed in 2016

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)

You may also be interested in other documents from the lead NAAQS review completed in 2016.