Select Projects

Environmental Impact of Waste from Mining, Metal Refining, and Coal Burning:  Conducted numerical modeling of fate and transport of constituents of interest in the unsaturated zone and groundwater using HYDRUS and MODFLOW.  Used modeling results to estimate the onset of groundwater impacts for insurance cost recovery.  Performed extensive document review for mining sites and complexes and metal-refining facilities to support transport analysis.

Environmental Forensic Analysis:  Performed forensic and receptor modeling on historical soil and sediment data to identify primary sources of PCBs and PCDD/Fs for cost allocation projects.  Conducted forensic analysis using principal component analysis (PCA).  Created and compared four receptor model simulations (i.e., PVA, PMF, MCR-ALS, NMF) to characterize source fingerprints and distributions.

Underwater Cable Thermal Modeling:  Used analytical estimate of heat losses from existing underwater cables and facilities to support computational assessment of new cable installation.

PFAS Analysis:  Analyzed PFAS data in private and public water supply systems to evaluate temporal and spatial evolution of PFAS plumes in an industrial area along a tidal river.  Reviewed regional and site-specific geology, hydrogeology, and critical literature to assess the surface water-groundwater interaction and groundwater travel time, providing key insights to contaminant migration pathways.

Indoor PCBs Fate and Transport:  Reviewed literature on indoor air dynamics and the fate and transport of PCBs in school buildings.  Analyzed literature and school- specific data to assess PCBs partitioning into indoor surfaces and materials, such as carpets, caulking materials, floors, and walls.

State-of-Knowledge Assessment:  Reviewed extensive historical state-of-knowledge literature of transformation and degradation of PFAS and aqueous film-forming foam (AFFF).