Water Chemistry

Associate Research Scientist, Department of Environmental Science
Organic mass spectrometrist, Arizona Laboratory for Emerging Contaminants
Research Scientist, Department of Physics
Department Head; Professor, Department of Environmental Science
Co-Director, Arizona Laboratory for Emerging Contaminants
Biosphere 2 Earthscience Steering Committee, LEO Project Committee
Associate Professor, Department of Environmental Science
Research Scientist, Department of Geosciences
Co-Manager, UA Environmental Isotope Laboratory
Professor, Department of Chemical and Environmental Engineering
Associate Director, Laboratory of Tree-Ring Research
Professor, Laboratory of Tree-Ring Research
Lab Coordinator, Arizona Laboratory for Emerging Contaminants (ALEC)
Associate Professor, Department of Hydrology and Atmospheric Sciences
Associate Department Head, Department of Hydrology and Atmospheric Sciences
Professor, Department of Hydrology and Atmospheric Sciences