National Technical Reports Library

The National Technical Information Service acquires, indexes, abstracts, and archives the largest collection of U.S. government-sponsored technical reports in existence. The NTRL offers online, free and open access to these authenticated government technical reports. Technical reports and documents in its repository may be available online for free either from the issuing federal agency, the U.S. Government Publishing Office’s Federal Digital System website, or through search engines.

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Title/Authors	Accession Number	Publication Year	Page Count
Lead: Human Exposure and Health Risk Assessments for Selected Case Studies. Volume 1: Human Exposure and Health Risk Assessments - Full-Scale.	PB2008102573	2007	172 pages
Lead: Human Exposure and Health Risk Assessments for Selected Case Studies. Volume 2: Appendices.	PB2008102574	2007	875 pages
Integrated Science Assessment for Lead, June 2013.	PB2013109765	2013	1885 pages
Integrated Science Assessment for Lead.	PB2011110853	2011	1100 pages