Lead (Pb) Standards - Planning Documents from Current Review

Planning documents in NAAQS reviews generally include the Integrated Review Plan .

• IRP for the Lead NAAQS Review. Volume 1: Background Document (pdf) (2.4 MB, March 2022)
• IRP for the Lead NAAQS Review. Volume 2: Planning for the Review and the Integrated Science Assessment (pdf) (501.35 KB, March 2022)
• IRP for the Lead NAAQS Review. Volume 3. Planning Document for Quantitative Exposure/Risk Analyses (pdf) (1.65 MB, May 2023)
• Update on Two Aspects of Analytical Approach for Risk/Exposure Analyses (pdf) (1.32 MB, Nov 2024)

You may also be interested in other documents from the current Pb NAAQS review.