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Proposal from Northern Arizona University Flagstaff, AZ Presented by Richard D. Foust, Jr.

Transport and Characterization of Hazardous Substances in Arid Environments. Proposal from Northern Arizona University Flagstaff, AZ Presented by Richard D. Foust, Jr. HBCU/MI Steering Committee Member. Three Sub-Projects under this “Umbrella” Proposal.

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Proposal from Northern Arizona University Flagstaff, AZ Presented by Richard D. Foust, Jr.

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  1. Transport and Characterization of Hazardous Substances in Arid Environments Proposal from Northern Arizona University Flagstaff, AZ Presented by Richard D. Foust, Jr. HBCU/MI Steering Committee Member

  2. Three Sub-Projects under this “Umbrella” Proposal • Biogeochemical Transformations of Arsenic in a Well-defined Ecosystem • Chemical Speciation of PM-2.5 from Prescribed Fires in the Southwest • Interfacial Chemistry of Heterogeneous Systems

  3. Biogeochemical Transformations of Arsenic in a Well-defined Ecosystem Research Objectives • Determine concentration at each trophic level in Montezuma Well ecosystem • Identify forms of arsenic within the organisms of Montezuma Well ecosystem • Understand the factors causing movement and transformations of arsenic in the Montezuma Well ecosystem

  4. Chemical Speciation of PM-2.5 from Prescribed Fires in the Southwest Research Objectives • Analyze the chemical composition airborne particulate matter generated during real and simulated prescribed fires • Analyze aerosols for polyaromatic hydrocarbons (PAHs) and test for mutagenic activity

  5. Interfacial Chemistry of Heterogeneous Systems Research Objectives • Investigate of metal speciation with respect to mobility in the environment • Measure the bioavailability of metals to microbial communities • Understand the reaction pathways, the kinetics, and the thermodynamics of metals in environmental systems

  6. Benefits to DOE • Arsenic is an international health issue and present in the ground water of many DOE facilities • Airborne particulates from the Los Alamos fire were a major concern in will be an issue in any similar events at DOE facilities • Bioavailability of metals at Hanford, Rocky Flats and the Nevada test site is governed by heterogeneous surface chemistry

  7. Deliverables • Master’s theses by well-trained students anxious to enter the DOE workforce • Well trained undergraduate students capable of entering graduate school or entering the DOE workforce • Publications in first-tier scientific journals

  8. Co-Principal Investigators • Sub-Project 1. Richard D. Foust, Jr., Professor of Chemistry and Environmental Science • Sub-Project 2. Marin Robinson, Associate Professor of Chemistry and Environmental Science • Sub-Project 3. Jani Ingram, Associate Professor of Chemistry

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