Delgado’s research focuses on natural and synthetic microbiomes for treatment of contaminants and production of high-value biochemicals.

Dahlen's research involves the assessment and remediation of hydrocarbon impacts to soil, groundwater and indoor air quality as well as oxygen injection technologies for in-situ permeable reactive barriers

Xu's research focuses on numerical simulation of groundwater flow and solute transport, uncertainty quantification and applications of machine learning in geoscience.