James McKinley

The Role of Microenvironments and Physicochemical Subsurface Components on Field Scale Biogeochemistry and Contaminant Mobility

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

James McKinley

Project type

Exploratory Research

This is a renewal proposal for a previous collaborative effort between the PNNL Scientific Focus Area (SFA) and EMSL. The research proposed will resolve critical Hanford and basic subsurface science…

Role of Microenvironments and Transition Zones in Subsurface Reactive Contaminant Transport

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

James McKinley

This is a renewal proposal for a previous collaborative effort between the PNNL Scientific Focus Area (SFA) and EMSL. The research proposed will resolve critical Hanford and basic subsurface science…

Role of Microenvironments and Transition Zones in Subsurface Reactive Contaminant Transport

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

James McKinley

This is a renewal proposal for a previous collaborative effort between the PNNL Scientific Focus Area (SFA) and EMSL. The research proposed will resolve critical Hanford and basic subsurface science…

Understanding Water Splitting on Model Mixed Metal Oxide Photocatalysts

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Michael Henderson

Project type

Large-Scale EMSL Research

There is a need for new fundamental insights into photocatalytic water splitting particularly how to design catalyst systems that extend the catalytic and photocatalytic functionalities of simple…

Hydro-Biogeochemical Process Dynamics in the Groundwater-Surface Water Interaction Zone

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

John Zachara

This is a renewal proposal for a previous collaborative effort between the PNNL Scientific Focus Area (SFA) and EMSL.PNNL Scientific Focus Area. The PNNL SFA will develop a predictive understanding…

Radioactive Contaminants Characterization

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

James McKinley

Synthesis of radioactive components of nuclear weapons generated abundant contaminant components, which were purposefully or accidentally disseminated into the terrestrial environment. This project…

Formation of Apatite in Hanford Vadose Zone Sediments by Gaseous Injection of Phosphorus Compounds

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Mark Rockhold

Project type

Exploratory Research

Large regions of strontium-90 and technetium-99 contamination exist in the unsaturated zone at Hanford at depths that are impractical for excavation. No active remediation options have been developed…

Microscale and spectroscopic investigations in geochemical and microbiological systems

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

John Zachara

Project type

Large-Scale EMSL Research

Apply experimental manipulation and field investigations to understanding the behavior of selected chemical and microbial components in natural systems. The research is targeted towards compounds…

Three-Dimensional Structural Analysis of Altered Micas by Ion Beam/Scanning Electron Microscopy (FIB/SEM Dual Beam), µ-X-ray Diffraction, and Transmission Electron Microscopy

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Bruce Arey

Micaceous minerals such as biotite [K(Mg,Fe)3AlSi¬O10(F,OH)2] and muscovite [KAl2(AlSi3O10)(F,OH)2] are ubiquitous components of detrital sediments, including the soils at the Hanford Site in…

Role of Microenvironments and Transition Zones in Subsurface Reactive Contaminant Transport

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

James McKinley

Project type

Exploratory Research

The PNNL Scientific Focus Area (SFA) will resolve critical Hanford and basic subsurface science issues through integrated, multi-disciplinary, science-theme focused research on the role of…

Characterization of Iron Sulfide Mineral Phases Associated with the Reductive Sequestration of Technetium

Lead Institution

Oregon Health & Science University

Principal Investigator

Paul Tratnyek

Project type

Large-Scale EMSL Research

Under reducing conditions, TcO4- is readily reduced to TcIV, which forms highly insoluble oxides such as TcO2-nH2O, but (re)oxidation of TcIV oxides can lead to remobilization. Under sulfidogenic…

Role of Microenvironments and Transition Zones in Field scale microbial ecology and biogeochemistry

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

James McKinley

Project type

Exploratory Research

This is a renewal proposal for a previous collaborative effort between the PNNL Scientific Focus Area (SFA) and EMSL. The research proposed will resolve critical Hanford and basic subsurface science…

Role of Microenvironments and Transition Zones in Field Scale Microbial Ecology and Biogeochemistry

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

James McKinley

Project type

Limited Scope

This is a renewal proposal for a previous collaborative effort between the PNNL Scientific Focus Area (SFA) and EMSL. The research proposed will resolve critical Hanford and basic subsurface science…

Projects