Keith & Russ talk with Michael Ketterer, professor of Analytical & Environmental Chemistry, Northern Arizona University, Department of Chemistry & Biochemistry. Ketterer talks about the use of isotopic fingerprinting in investigating lead contamination, and why mass spectrometry can be used in nuclear forensics, tracing uranium and plutonium in the environment. Ketterer also talks about his part-time work as an ombudsperson at Northern Arizona University.
Aired March 10, 2013.