FACULTYLee Ferguson, Associate Professor - Emerging contaminants, nanotechnology, high-performance mass spectrometry techniques to problems in environmental toxicology and chemistry.Richard T. Di Giulio, Professor - Environmental toxicology, environmental health, and freshwater and estuarine pollution. Claudia K. Gunsch, Assistant Professor - Impacts of chemcial and novel materials on microbial processes and populations.David E. Hinton, Professor -Environmental toxicology, mechanistic and integrative understanding of the manner in which environmental contaminants exert their effects.  Heileen Hsu-Kim, Assistant Professor - Environmental chemistry; biogeochemical cycling of pollutant metals; aquatic geochemistry; water-particle surface processes; transformation of metals in engineered ecosystems Andrey Khlystov, Assistant Professor - Effect of ambient aerosol on the global climate and how aerosol hygroscopic growth affects the magnitude of climate forcing; exploring the relationship between particulate matter and adverse health effects; and development of new automatic measurement techniques to study the properties and transformations of ambient aerosol.Joel N. Meyer, Assistant Professor - Environmental toxicology, environmental and genetic influences on organism health, DNA integrity, oxidative stress, and processes of adaptation to pollution.J. Jeffrey Peirce, Associate Professor - Environmental engineering, hazardous waste engineering, physical, chemical, and biological aspects of particle-fluid interactions, models of trace gas emissions from waste- amended and chemically-applied soils.Kenneth H. Reckhow, Professor - Water quality assessment and management, water quality modeling, risk assessment, decision analysis.  Heather Stapleton, Assistant Professor - Fate and biotransformation of organic contaminants in aquatic systems, persistent organic pollutants (POPs), such as polychlorinated biphenyls (PCBs) and polybrominated diphenyl ethers (PBDEs).Avner Vengosh, Associate Professor - Environmental and aqueous geochemistry, isotope hydrology, water quality, and salinization of water resources. Mark R. Wiesner, James L. Meriam Professor - Environmental implications of nanomaterials, colloidal and interfacial chemistry, transport and fate of materials in the environment, environmental risk assessment.  ADJUNCT FACULTYJean-Yves Bottero, Adjunct Professor -Physical chemistry of organic, inorganic, and heterogeneous contaminants; physicochemical properties of surfaces; environmental nanotechnology; solid waste disposal; water and wastewater treatment. Jerome Rose, Adjunct Associate Professor -Arsenic removal, ceramic membranes, advanced spectroscopy (EXAFS), Relation between nanostructure of materials and their reactivity and toxicity. Characterization of the structure of ultra-small (colloids and molecular clusters), and/or amorphous and highly divided materials down to the molecular scale.Daniel Vallero, Adjunct Associate Professor -Risk Assessment, transport and transformation of organic compounds in environmental media, especially soil and the troposphere.