This page contains information on the National Contract EPA has setup to assist state, local, and tribal monitoring agencies with the analysis of Pb ambient air monitoring samples.
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.- National Contract for Lead Analysis QAPP (PDF)(351 pp, 13 MB, December, 2015)
- Questions and Answers on National Contract for Lead Analysis (PDF)(3 pp, 104 K, December, 2015)