This page contains answers to common questions on the Pb sampling and analysis options for the Pb NAAQS monitoring network.
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.- Questions and Answers on Lead Samplers (PDF)(3 pp, 92 K, December, 2008)
- Questions and Answers on Lead Analysis Methods (PDF)(2 pp, 31 K, December, 2008)