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People Principal Investigators Staff Scientists Collaborators
Principal Investigators:
Isabelle M. Cozzarelli U.S. Geological Survey National Research Program (MS 431) 12201 Sunrise Valley Dr. Reston, VA 20192 Telephone: (703) 648-5899 Fax: (703) 648-5274 Email: icozzare@usgs.gov Research interests: Intrinsic bioremediation. Biogeochemical processes and the formation of heterogeneous redox zones. Carbon, iron and sulfur cycling at redox zone boundaries.
Robert P. Eganhouse U.S. Geological Survey National Research Program (MS 432) 12201 Sunrise Valley Dr. Reston, VA 20192 Telephone: (703) 648-5879 Fax: (703) 648-5832 Email: eganhous@usgs.gov Research interests: Processes affecting the transformation of dissolved and particulate organic matter in ground water and sediment. Use of molecular markers to partition sources of organic contaminants, determine microbial community composition, and elucidate physical and biogeochemical processes. Transport and fate of volatile and non-volatile dissolved organic matter in contaminated ground water.
Staff Scientists:
Jeanne Jaeschke U.S. Geological Survey  National Research Program (MS 431) 12201 Sunrise Valley Dr. Reston, VA 20192 Telephone: (703) 648-5872 Fax: (703) 648-5274 Email: jaeschke@usgs.gov Key Tasks: Collects and analyzes samples collected from the Bemidji oil spill site and the Norman Landfill site. Analysis includes field parameters of pH, specific conductance, and downhole water temp, as well as analysis of dissolved oxygen, ammonia, hydrogen sulfides, major cations, anions, alkalinities, organic acids and methane.  Conducts push-pull tests and small-scale tracer tests to probe in situ microbial degradation rates in the determination of organic acids by ion chromatography.
Robin Krest U.S. Geological Survey National Research Program (MS 431) 12201 Sunrise Valley Dr. Reston, VA 20192 Telephone: (703) 648-6804 Fax: (703) 648-5274 Email: rlkrest@usgs.gov Key Tasks: Collects and analyzes well samples from the Norman Landfill site for dissolved organic carbon (DOC) and volatile organic compounds (VOC) on a monthly basis.  Characterizes the microbial communities in Norman sediments.
Jim Pontolillo U.S. Geological Survey National Research Program (MS 432) 12201 Sunrise Valley Dr. Reston, VA 20192 Telephone: (703) 648-4849 Fax: (703) 648-5274 Email: jpontoli@usgs.gov
Collaborators:
Barbara Bekins U.S. Geological Survey 345 Middlefield Rd., MS 496 Menlo Park, CA 94025 Telephone: (415) 329-4691 Fax: (650) 329-4327 Email: babekins@usgs.gov Area of Collaboration:  Microbial population dynamics and natural attenuation of hydrocarbons at Bemidji, MN.
Johnkarl F. Bohlke U.S. Geological Survey National Research Program (MS 431) 12201 Sunrise Valley Dr. Reston, VA 20192 Telephone: (703) 648-5899 Fax: (703) 648-5274 Email: jkbohlke@usgs.gov Area of Collaboration:  Nitrogen isotopes as a tool in the investigation of N cycling at Norman Landfill.
George Breit U.S. Geological Survey Denver Federal Center P.O. Box 25046, MS 939 Lakewood, CO 80225-0046 Telephone: (303) 236-4951 Fax: (303) 236-0459 Email: gbreit@usgs.gov Area of Collaboration:  Iron and sulfur cycling and characterization of solid constituents in the alluvium at Norman Landfill.
Scott Christenson U.S. Geological Survey 202 NW 66th St. (Bldg. 7) Oklahoma City, OK 73116 Telephone: (405) 810-4409 Fax: (405) 843-7712 Email: schris@usgs.gov Area of Collaboration:  Aquifer hydraulics at Norman Landfill.
Hedeff Essaid U.S. Geological Survey 345 Middlefield Rd., MS 496 Menlo Park, CA 94025 Telephone: (650) 329-4581 Fax: (650) 329-4327 Email: hiessaid@usgs.gov Area of Collaboration:  Simulating multiphase flow and biodegradation at Bemidji.
Mike Godsy U.S. Geological Survey 345 Middlefield Rd., MS 480 Menlo Park, CA 94025 Telephone: (650) 329-4504 Fax: (650) 329-4463 Email: emgodsy@usgs.gov Area of Collaboration: Bemidji microbial population dynamics and in situ microcosm studies.
Ethan Grossman Department of Geology and Geophysics Texas A&M University College Station, TX 77843-3115 Telephone: (409) 845-0637 Fax: (409) 845-6162 Email: e-grossman@tamu.edu WWW: http://geoweb.tamu.edu/faculty/grossman Area of Collaboration:  Anaerobic methane oxidation in the Norman Landfill leachate plume.
Janet Herman Department of Environmental Sciences 291 McCormick Road University of Virginia Charlottesville, VA 22904 Telephone: (434) 924-0553 Fax: (434) 982-2137  Email: jherman@virginia.edu WWW: http://www.people.virginia.edu/~jsh5w/ Area of Collaboration: Chemical heterogeneity and iron geochemistry.
Jonathon "Jack" Istok Department of Civil Engineering Apperson Hall 202 Oregon State University Corvallis, OR 97331 Telephone: (541) 737-6838 Email: jack.istok@orst.edu Area of Collaboration:  Push-pull tests as a tool to study chemical and biological reactions in situ at Norman Landfill.
Michelle Lorah U.S. Geological Survey 8987 Yellow Brick Road Baltimore, Maryland 21237 Telephone: (410) 238-4301 Fax: (410) 238-4210 Email: mmlorah@usgs.gov Area of Collaboration:  Natural attenuation in wetland sediments and use of electrochemical techniques for small-scale in situ redox characterization of wetland sediments.
Martha Scholl U.S. Geological Survey National Research Program (MS 431) 12201 Sunrise Valley Dr. Reston, VA 20192 Telephone: (703) 648-5890 Fax: (703) 648-5274 Email: mascholl@usgs.gov Area of Collaboration:  Effects of aquifer heterogeneity on biodegradation rates, numerical modeling of biodegradation processes & contaminant transport, detailed characterization of aquifer hydraulic conductivity, use of stable isotopes as tracers in groundwater system.
Joseph Suflita Department of Botany and Microbiology University of Oklahoma 770 VanVleet Oval Norman, OK 73019-0245 Telephone: (405) 325-5734 Fax: (405) 325-7541 Email: jsuflita@ou.edu WWW: http://www.ou.edu/cas/botany-micro/faculty/suflita.html Area of Collaboration:  Anaerobic metabolism and biotransformation studies at Norman Landfill.
Michele Tuttle U.S. Geological Survey P.O. Box 25046 Lakewood, CO 80225 Telephone: (303) 236-1944 Fax: (303) 236-1983 Email: mtuttle@usgs.gov Area of Collaboration:  Sulfur isotopes and sediment geochemistry at Norman Landfill.