Peter L. deFur
Curriculum Vitae –February 2000

Table of Contents:
Education
Professional Experience
Professional Activities 
Selected Funding
Recent Research Projects
Testimony
Professional Societies
Courses Taught
Honors and Awards
Publications
Invited Seminars and Presentations

Home                                                        University     
11223 Fox Meadow Dr.                              Center for Environmental Studies                      
Richmond, VA  23233                                 Virginia Commonwealth University                    
804-360-4213                                              Richmond, VA 23284-3050
804-360-7935 fax                                        804-828-1760
email: pldefur@igc.org                                 804-225- 3559 fax
                                                                  pldefur@saturn.vcu.edu                         

 

EDUCATION:

Ph.D., Biology, The University of Calgary, Calgary, Alberta, Canada, 1980.
M.A., Biology, The College of William and Mary, Williamsburg, VA, 1977.
B.S., Biology, The College of William and Mary, Williamsburg, VA, 1972.

 

PROFESSIONAL EXPERIENCE:

Affiliate Associate Professor, Center for Environmental Studies, Virginia Commonwealth Univ., Richmond, Virginia, 1995-Present

President, Environmental Stewardship Concepts, 1996- present

Adjunct Senior Scientist, Environmental Defense Fund, Washington, DC.1996-1997

Senior Scientist, Environmental Defense Fund, Washington, D.C., 1992-1996

Scientist, Virginia Office of the Environmental Defense Fund, Richmond, VA. 1990-1991

AAAS Environmental Science Fellow, U.S. Environmental Protection Agency, Washington, DC. June – Aug 1989

Associate Professor, member of the Graduate faculty, Dept Biological Sciences, Southeastern Louisiana University, Hammond, LA. Aug 1988 to Dec 1989

Visiting Investigator, Smithsonian Environmental Research Center, Edgewater, MD. July 1987 - August 1988

Assistant Professor, member of the Environmental Biology and Public Policy Faculty, Department of Biology, George Mason University, Fairfax, VA. September 1981-1988

Postdoctoral Fellow, Division of Physiology, Faculty of Medicine, University of Calgary,     Calgary, Alberta, Canada. September 1980 - August 1981

Research Associate, Bamfield Marine Station, Bamfield, British Columbia, Canada. July - August 1980

Ph.D. Candidate, Department of Biology, The University of Calgary, Calgary, Alberta, Canada. 1977-1980


Graduate Assistant, Department of Biology, The College of William and Mary, Williamsburg, VA 1975-1977          

Associate Research Scientist, Ecological Analysts, Inc., Baltimore, MD. 1974-1975

Assistant Research Scientist, Department of Geography and Environmental Engineering, The Johns Hopkins University, Baltimore, MD. 1972 - 1974

 

PROFESSIONAL ACTIVITIES:

 

President, Association for Science in the Public Interest, 1999-2000.

Member, Government Relations Committee, American Lung Association of Virginia, 1998- present.

Member, Virginia Toxic Release Inventory (TRI) Advisory Panel, 1999 – Present.

Member, National Academy of Sciences, National Research Council (NAS/NRC) Study Committee on Diisomethyl Propionate, 1999- 2000.

Member, NAS/NRC Study Committee on Agricultural Exotic Species, 1999-2000.

Member, Board of Directors, Coalition to Restore Coastal Louisiana, 1990 - Present.

Chair of the Board of Directors, Science and Environmental Health Network, 1998-2000.

Member, Chemical Manufacturers Association Technical Implementation Panel on Human Health Exposure Assessment, 1999-2002.

Scientific chair, Society for Environmental Toxicology and Chemistry (SETAC) workshop on endocrine disruptors in invertebrates, 1997- 1999; workshop December 1998, Amsterdam.

Chair, Peer Review of EPA (ORD) Risk Characterization Handbook, Washington DC, March 1999.

Chair, Peer Review of EPA (OWOW) Water Quality Criteria Derivation Methodology for Human Health, Alexandria, Virginia, May 1999.

Peer Reviewer of USDA ORACBA programmatic risk assessments, July 1999.

Chair, Peer Review of EPA (ORD) Research Program for Endocrine Disruptors, Washington DC July 1997.

Member, Peer Review of EPA (ORD) Strategy for Determining Toxic Equivalency Factors for Dioxin in Wildlife, Chicago, IL January 1997.

Member, Endocrine Disruptor Screening and Testing Advisory Committee, official federal advisory committee to the EPA, 1996-1998.

Member, Board on Environmental Studies and Toxicology of the NAS/NRC, 1996-1999.

Steering Committee, SETAC workshop on Multiple Stressors in Ecological Risk Assessment, September 1997

Steering Committee, SETAC workshop on Reproductive and Developmental Toxicants, in Oviparous Vertebrates July 1997

Steering Committee, SETAC workshop on Ecological Risk Management  - Building a Framework, June 1997

Member, Steering Committee for UN Environment Program workshop on a global assessment for Endocrine Disrupting Chemicals, 1996-7.

Chair, Ecological Subcommittee, Maryland Oyster Roundtable Steering Committee, 1994 -1996

Member, drafting team for the EPA dioxin reassessment, Chapter 9, 1996 - present

Consultant, EPA Science Advisory Board, September 1992 - 1995.

Co-chair, Public Affairs Committee, Society for Integrative and Comparative  Biology, 1995- 1996

Steering Committee, SETAC workshop, Ecological Risk Assessment Modeling System, May 1994 - 1997

Member, Scientific Review Panel for EPA revision of the IRIS listing of the cancer dose-response potency for PCB mixtures; May, 1996.

NAS/NRC Committee on Risk Characterization, 1994 - 1996.

Member, Advisory Committee, and Affiliate Associate Professor, Center for Environmental Studies, Virginia Commonwealth University, Richmond, Virginia 1993- 1996.

Member, Scientific Review panel, WTI Hazardous Waste Incinerator, January 1996

Co-Organizer, Symposium for American Society of Zoologists, December 1995;  "Molecules to Mudflats:  Biological Adaptations to Estuaries."

Member, Review Panel, EPA Ecological Risk Assessment National Guidance, Dec 1995

Steering Committee of Water Quality 2000, 1991 - 1995.

Toxic Constituents Challenge Group- Water Quality 2000, 1991.

Member, Maryland Oyster Roundtable, 1993-1994.

Co-organizer, “Biological Adaptations in Estuaries: from Molecules to Mudflats”, symposium at the ERF biennial meeting, 1993, Hilton Head, South Carolina. 

External invited reviewer, EPA Scientific Reassessment of Dioxin, 1992-93.

Member, U.S. EPA Science Advisory Board Ad Hoc Committee on the Great Lakes Water Quality Initiative, January 1992 - 1993.

Member, Steering Committee, EPA Wildlife Criteria Conference, Charlottesville, Virginia, April 12-15, 1992.

Member, Research Advisory Committee, Virginia Pesticide Control Board, 1991-1992.

Member, EPA Independent Panel to review Chesapeake Bay Program non-point source pollution program, 1990.

Member, Japanese Oyster Review Committee, Virginia Marine Resources Commission, 1990 - 1991.

Vice-President, Board of Directors, Virginia Conservation Network, 1994 - 1995.

Member, Board of Directors, Conservation Council of Virginia, 1992 - 1994.

 

Associate editor, Journal of Experimental Zoology, 1994-1996.

External reviewer, Physiological Zoology

External reviewer, Journal of Crustacean Biology

External reviewer, Biological Bulletin

External reviewer, Environmental Research

 

SELECTED FUNDING

 

World Wildlife Fund to P L deFur for Endocrine Disruptor Screening and Testing workgroup 1999

Starfire Fund award to VCU, 1996-1997.

W.A. Jones Foundation grant to VCU, 1996-1997; 1997-98

C.S. Mott Foundation grant to EDF, 1994-1996.

Bauman Foundation grant to EDF, 1994, 1995.

Healy Foundation grant to EDF, 1993.

Beirne Carter Foundation grant to EDF, 1991.

Virginia Sea Grant, Investigator Initiated Research, 1987-90.

Jeffress Foundation grant, 1986-7.

           

RECENT RESEARCH PROJECTS

 

Environmental Policy for hormone disrupting chemicals in the environment

Assessing environmental endocrine disruptors in aquatic systems

Effects of medical waste disposal practices on human and environmental health

Effects of hormone disrupting chemicals on children's health

Coastal eutrophication in U.S. waters -- distribution and impacts.

Review of the EPA reassessment of the health and environmental risks of dioxin and related compounds, and development of policy recommendations, 1991 - Present.

Examination of federal policies and practice of risk assessment, 1993 - Present.

Mapping environmental contaminants in the Arctic; EDF research project, 1994.

Impacts and control of non-native species in aquatic ecosystems, 1991 - Present.

Effects of low oxygen (hypoxia) and anoxia on aquatic organisms of the Chesapeake Bay, 1982 - 1988.

Research on the effects of environmental variations on estuarine invertebrates in Chesapeake Bay.

 

TESTIMONY

              Expert witness, federal hearing on the Chemical Weapons Incinerator at Tooele, Utah regarding risk assessment for emissions from incinerator; July 1996; September 1999.

              The NOAA Budget: Research and Program Needs and Priorities.  Testimony of the Environmental Defense Fund before the House Subcommittee on Fisheries, House Merchant Marine and Fisheries Committee, March 1994.

              Risk Assessment at EPA, with comments on H.R 2910. Testimony before the House Subcommittee on Transportation and Hazardous Materials of the Energy and Commerce Committee, November 1993.

              Research Needs in the Clean Water Act Reauthorization, H.R. 1116. Testimony before the House Subcommittee on Technology, Environment and Aviation of the Science and Technology Committee, Sept. 1993.

              Environmental and ecological impacts of dioxin discharged in pulp mill effluent.  Testimony before the Maine Board of Environmental Protection, November 1992.

              National Water Quality Standards for Dioxin and H.R. 2084.  Testimony before the Water Resources Subcommittee of the House Committee on Public Works and Transportation, May 1991.

              Wetland Restoration as Part of the Corps Reauthorization Bill. Testimony before the Water Resources Subcommittee of the House Committee on Public Works and Transportation, June 1990.

              Expert witness on Biology and Crustacean Biology before the Louisiana state court re: Shell dredging in Lake Pontchartrain, October 1989.

 

PROFESSIONAL SOCIETIES:

 

            Association for Science in the Public Interest

            International Association of Facilitators

            Society for Integrative and Comparative Biology (formerly American Society of Zoologists)

            Society of Environmental Toxicology and Chemistry

            Ecological Society of America

            American Association for the Advancement of Science

            Atlantic Estuarine Research Society

            International Association of Astacologists

            Estuarine Research Federation

            The Crustacean Society

 

            Professional Service:

Steering Committees for SETAC workshops on Invertebrate Endocrine Disruptors Multiple Stressors; Reproductive and Developmental Toxicity of Oviparous Vertebrates; Ecological Risk Management

            Public Affairs Committee of SICB/ASZ, 1993 - 1997

            Organizer, ASZ symposium: Molecules to Mudflats: Biological Adaptations in Estuaries.

            Co-organizer of ASZ symposium on Environmental Endocrine Disrupters, January 1995

            Member of SETAC Pellston workshop on ecological risk decisions

            Organizer of Estuarine Research Federation symposium on Coastal Hypoxia, Nov. 1993

 

COURSES TAUGHT:

    Undergraduate
   
         Introductory Zoology  
            General Physiology: lecture and lab
   
         Animal Physiology: lecture and lab  
            Scientific Thought and Process (for non-majors)  
            Human Anatomy and Physiology (for non-majors)  
            Special Skills in the Life Sciences:  "Introduction to Teaching Neuromuscular Physiology"             Human Physiology

  Graduate  
            Survey of Environmental Studies  
            Ecological Risk Assessment  
            Physiological Ecology  
            Seminar in Environmental Biology  
                    "The Evolution from Water to Land"  
                    "Acid-base Balance of Body Fluids"  
            Environmental Physiology  
            Comparative Animal Physiology  
            Environmental Toxicology – Endocrine Disruptors; jointly with Dr. J. Rosecrans

 

HONORS AND AWARDS:

 

            AAAS Environmental Science and Engineering Fellowship, June ‑- August 1989.

            Tri Beta (GMU Chapter), Faculty Award 1986.

            The Crustacean Society: 1985 Outstanding Paper Award.

            American Society of Zoologists Travel Award, First International Congress of Comparative Physiology and Biochemistry, Liege, Belgium, 1984.

            Alberta Heritage Foundation for Medical Research Postdoctoral Fellowship, September 1980 - August 1981.

            University of Calgary Dissertation Fellowship, 1980 - 1981.

            Province of Alberta Graduate Scholarship: May 1979 - April 1980.

            Province of Alberta Graduate Scholarship: January - April 1979.

 

PUBLICATIONS:

 

            Hypes, R. and P.L. deFur. 2000. Effects of hypercapnic hypoxia on blue crabs, Callinectes sapidus. In Prep.

            Belzer, R. and P.L. deFur. 2000. Risk Based Decision Making. In: R. Stahl et al., eds. Ecological Risk Management Framework. SETAC Press, Pensacola, FL. In Press.

              deFur, P.L. and L. Foersom. 2000. Can What We Don’t Know Hurt Us? Toxic chemicals in the Chesapeake Bay.  Environmental Research. In Press.

              deFur, P.L., M. Crane, R. Stahl, and L. Tattersfield, eds. 1999. Endocrine Disrupters in Invertebrates. SETAC Press, Pensacola, FL 303 pp.

              Raffensperger, C and P.L. deFur. 1999. Implementing the precautionary principle: rigorous science and solid ethics. Human and Ecol. Risk Assess. 5: 933-941.

              deFur, P.L. 1999. Using the Precautionary Principle in Policy for Endocrine Disrupting Chemicals, pp 337-348 In: Raffensperger, C. and Tickner, J., eds.; Protecting Public Health and the Environment. Island Press, Washington, DC. 385 pp

              deFur, P.L. 1999. Public policy recommendations for endocrine disrupting chemicals.  Biotechnology International. vol. 3: 1-6.

              deFur, P.L. and C. Raffensperger. 1999. Chemicals That Alter Hormone Systems. Pp 35-40 In: Ng Weng Hong, ed.,Guide to the Petrochemical and Chemical Industry in Singapore, 3rd edition Publ. of The Strategist, Singapore.

              Mahaich, E. M., Gooch, J., deFur, P.L., Benson, W.H., Tyler, C., Birnbaum, L., DiGiulio, R.T.and Tillitt D. 1999. Reproductive and Developmental Effects of Contaminants in Oviparous Vertebrates: Workshop Introduction. In: R.T. DiGiulio and D. Tillitt, eds. Reproductive and Developmental Effects of Contaminants in Oviparous Vertebrates. SETAC Press, Pensacola FL.

              Ferenc, S., P. deFur, M. Dobbs, C. Grue, S. Marcy, D. Moore, R. Rolland and R. S. Wentsel. 1999. Characterizing and managing impacts of and risks posed by multiple stressors. Pg 51-66 In: J. Foran and S. Ferenc, eds. Multiple Stressors in Ecological Risk Assessment. SETAC Press, Pensacola, FL.

              deFur, P.L. and C. Raffensperger. 1998. Endocrine disrupters: their impact on human health. The Strategist 5: 14-15.

              Pittinger CA, Bachman R, Barton AL, Clark JR, deFur PL, Ells SJ, Slimak MW, Stahl, RG, Wentsel RS. 1998. A Multi-Stakeholder Framework for Ecological Risk Management: Summary from a SETAC Workshop. Summary of the SETAC workshop on Framework for Ecological Risk Management; 23-25 June 1997; Williamsburg, VA., Pensacola, FL: Society of Environmental Toxicology and Chemistry. 24p     

             deFur, P.L. 1998. Science, Ethics and Funding.  The Networker 2 (6): 3-4.

            deFur, P.L. 1997. Ecological Risk Assessment: Lessons from the Chesapeake Bay. Am. Zool. 37: 641-649

              deFur, P.L. 1996. Whither Ecological Risk? Risk Policy Report, May 1996. Invited perspective.

              deFur, P.L. and D.N. Rader. 1995. Aquaculture in estuaries: Feast or famine? Estuaries 18: 2-9.

              Clapp, R., P.L. deFur, E. Silbergeld and P. Washburn. 1995. Dioxin Risk: EPA on the Right Track.  Environ. Sci. & Technol. 29: 29A-30A.

              Silbergeld, E.K. and P.L. deFur. 1994. Risk Assessments of Dioxin-like Compounds. pp 51-78 In: A. Schechter, ed., Dioxins and Health. Plenum Press, NY.

              deFur, P.L. and E.K. Silbergeld. 1994. A National Policy on Dioxin. New Solutions 5: 3-5.

              deFur, P.L.  1994. Introducing Exotic Species for Commercial Purposes: Japanese Oysters in the Chesapeake Bay. In: The Big Kill: Declining Biodiversity in America's Lakes and Rivers. Environmental Defense Fund, Washington, DC.

              deFur, P.L. 1994. The Problems with Chlorination. Health & Environment Digest.

              deFur, P., R. Fujita and D. Rader. 1993. Aquaculture: Environmental Consequences and Opportunities. Workshop on Aquaculture and the Environment: The Shaping of Public Policy, Marine Biological Laboratory, Woods Hole, MA, August 30 - September 1, 1993.

              deFur, P.L. 1992. Bioaccumulation Modeling: Regulation and Policy. Health & Environment Digest, December p 4 - 5.

              deFur, P.L. 1992. Oyster Restoration in Virginia: No Role for Japanese Oysters. Environmental Defense Fund, Washington, DC.

            Searchinger, T., et al. 1992. How Wet is a Wetland.  Environmental Defense Fund, Washington DC.

            deFur, P.L. 1991. Water quality standards for dioxin threaten aquatic life and human health. In: New Perspectives in the Chesapeake System. Conference proceedings.  CRC Publication no. 137, CRC, Annapolis, MD.

              deFur, P.L., C.P. Mangum and J.E.F. Reese.  1990.  Respiratory  responses of the blue crab Callinectes sapidus to long term hypoxia.  Biol. Bull. 178: 46-54.

              deFur, P.L. 1990. Respiration during ecdysis at low salinity  in  blue crabs, Callinectes sapidus Rathbun. Bulletin of Mar. Sci. 46: 48-54.

              Brundage, C.A. and P.L. deFur. 1989. Online literature searches teaching biology students.  J. College Sci. Teaching: 18: 240-241.

              deFur, P.L. 1989. Dredged Material Disposal: Regulation, Management and Policy Issues;"  Environmental Science Fellowship report to the American Association for the Advancement of Science.

              deFur, P.L. and A.L. Pease. 1988.  Metabolic and respiratory compensation during long term hypoxia in blue crabs, Callinectes sapidus.  pp. 60-61, In: M.P. Lynch and E.C. Krome, eds., Understanding the Estuary  Advances in Chesapeake Bay Research. CRC, P.O. Box 1280, Solomons, MD.

              deFur, P.L. 1988. Systemic respiratory adaptations to air exposure in intertidal decapod crustaceans.  Am. Zool. 28: 110-124.

              deFur, P.L., D. Nusbaumer and R.J. Lewis. 1988.  Physiological aspects of molting in blue crabs from the tidal freshwater Potomac River.  J. Crust. Biology.  8:1-19.

              deFur, P.L., A. Pease, A. Siebelink and S. Elfers. 1988.  Respiratory responses of blue crabs, Callinectes sapidus, to emersion.  Comp. Biochem. Physiol.  89A :97-101.

              Patterson, N.E. and P.L. deFur.  1988. Responses of crayfish, Procambarus clarki, to low environmental pH.  Physiological Zool.  61:396-406.

              Jones, R.C., P.L. deFur, D.P. Kelso and G. Warner.  1987.  An Ecological Study of Gunston Cove:  1986-87.  George Mason University, Fairfax, VA.

              Jones, R.C., D.P. Kelso and P.L. deFur. 1986.  An Ecological  Study of Gunston Cove: 1985-86.  George Mason University, Fairfax, VA.

              Jones, R.C., D.P. Kelso and P.L. deFur. 1985.  An Ecological Study of Gunston Cove: 1984. 206p. George Mason University. Fairfax, VA.  22030.

              deFur, P.L., C.P. Mangum and B.R. McMahon. 1985.  Ventilatory and cardiovascular changes during molting in the blue crab, Callinectes sapidus Rathbun.  J. Crust. Biol.  5(2): 207-215.

              Mangum, C.P., B.R, McMahon, P.L, deFur and M.G. Wheatly.  1985. Gas exchange and the availability of O2 to the tissue, during molting in the blue crab, Callinectes sapidus.  J. Crust. Biol. 5: 187-206.

              deFur, P.L. and B.R. McMahon. 1984a. Physiological compensation to short term air exposure in Red Rock crabs, Cancer productus Randall, from littoral and sub-littoral habitats.  I. Oxygen uptake and transport.  Physiol.  Zool. 57: 137‑150.

              deFur, P.L. and B.R. McMahon. 1984b. Physiological compensation to short term air exposure in the Red Rock crab, Cancer productus Randall, from littoral and sub-littoral habitats.  II.  Acid-base balance.  Physiol. Zool. 57: 151-160.

              Booth, C.E., B.R. McMahon, P.L. deFur and P.R.H. Wilkes,  1984.  Acid-base regulation during exercise and recovery in the blue crab, Callinectes sapidus. Respirat. Physiol. 58: 359-376.

              McMahon, B.R., L.E. Burnett and P.L. deFur. 1984. Carbon dioxide excretion in C. productus and the function of branchial carbonic anhydrase during and after emersion.  J. Comp. Physiol. 154: 371-383.

              deFur, P.L., B.R. McMahon and C.E. Booth,  1983.  Analysis of hemolymph oxygen levels and acid-base status of Cancer productus Randall during emersion in situ. Biol. Bull. 165: 581-590.

              deFur, P.L. and K. Lukowiak.  1982. Some in vivo and in vitro properties of Aplysia californica hemolymph.  J. Exp. Biol. 101: 347-351.

              Burnett, L.E., P.L. deFur and D.D. Jorgensen. 1981. The application of a thermodilution technique for measuring cardiac output and assessing cardiac stroke volume in crabs.  J. Exp. Zool. 218: 161-173.

              deFur, P.L., P.R.H. Wilkes and B.R. McMahon. 1980.  Non-equilibrium acid-base status in C. productus: role of exoskeletal carbonate buffers.  Respirat. Physiol. 42: 247- 261.

              Wilkes, P.R.H., P.L. deFur and B.R. McMahon.  1980. A new operational approach to Pco2 determination in crustacean hemolymph.  Respirat. Physiol. 42: 17-28.

              deFur, P.L. and C.P. Mangum. 1979. The effects of environmental variables on the heart rates of invertebrates.  Comp. Biochem. Physiol. 62A: 281-294.

              McMahon, B.R., F. Sinclair, C.D. Hassal, P.L. deFur and P.R.H. Wilkes.  1978. Ventilation and control of acid-base status during temperature acclimation in the crab, Cancer magister.  J. Comp. Physiol. 128: 107-116.

              Mangum, C.P., C.E. Booth, P.L. deFur, N.A. Heckel, R.P. Henry, L.C. Oglesby and G. Polites. 1976.  The ionic environment of hemocyanin in Limulus polyphemus. Biol. Bull 150: 455-467.

              Power Plant Site Evaluation Report on Douglas Point Site. PPSE 4-1, vol. 1. 1974.  The Johns Hopkins University.  Avail. from: Md. Power Plant Siting Program, Annapolis, MD.

              Power Plant Site Evaluation Report on Dickerson Site. Addendum to PPSE 3-1.  1974.  The Johns Hopkins University.  Avail. from: Md. Power Plant Siting Program, Annapolis, MD.

              Power Plant Site Evaluation Report on Perryman Site. PPSE  2-M-1.  1973.  The Johns Hopkins University.  Avail.: Md. Power Plant Siting Program, Annapolis, MD.

              Power Plant Site Evaluation Report on Brandon Shores Site. PPSE 1-2.  1972.  The Johns Hopkins University.  Avail. from: Md. Power Plant Siting Program, Annapolis, MD.

 

 

INVITED SEMINARS AND PRESENTATIONS:

            “US Policies and Perspectives.” Presentation at the University of Iowa workshop on Endocrine Disruptors and Pharmaceutically Active Agents in Drinking Water. Chicago, IL; April 19-21, 2000.

             “An Environmental Scientist’s Perspective on the Precautionary Pinciple.” Presentation to the National Toxicology Forum, February 2000, Washington DC.

             “Medical Waste: Where’s The Harm?” Presentation to the Fall meeting of the Richmond Academy of Medicine, November 1999.

             “Achieving a Toxics Free Bay- The Role of Point Sources”, NGO perspective. Panel Discussion at EPA Chesapeake Bay Forum, Aberdeen, MD. June 22, 1999

             “Can What We Don’t Know Hurt Us? Toxic chemicals in the Chesapeake Bay.” Invited Symposium at Johns Hopkins University, Baltimore, MD, Nov 13, 1998.

             “Environmental Endocrine Disruptors: Fact and Fantasy”; seminar to Department of Biology, College of William and Mary, October, 1998.

             “Environmental Risks to Children’s Health,” Society for Risk Analysis symposium, Williamsburg, VA; October 1998.

             “An NGO Perspective on Risk Assessment”.  Briefing for Congressional staff, January 1997, organized by the American Chemical Society, as part of the Risk Education Project.

            “Stakeholder Participation: Improving Decision Making for Risk Assessment and Risk Management”. Panel presentation, annual meeting of the American Industrial Health Council, Washington, DC, December 1996.

             “The Return of Silent Spring?” Convocation lecture to Roanoke College, Salem Virginia, March 1996.

             “An Environmental Perspective on the EPA Dioxin Reassessment”. Risk Assessment 1995, Symposium Presentation, Oct 17-18, 1995, Inside Washington Publishers

             “Science, Policy and Ecological Risk Assessment”. Environmental Science Seminar Series, University of Virginia, September 1995.

             “Policies and Regulations for Endocrine Disrupting Pesticides”. Panel presentation to the annual meeting of Investigative Reporters and Editors, June 1995, Miami, Fl

             “The Role of Scientists in Federal Environmental Policy: Lessons from Risk Assessment”. Seminar to Oregon Inst. Mar. Biol., Charleston, OR, April 1995.

             “Ecological Risk Assessment in the Chesapeake Bay”. Seminar to the Darden School of Business, The Executive Program, Univ. Virginia, June 1995.

             “Risk-based Decision Making: Is Risk Assessment Elitist?” Panel presentation to USAID, Washington, DC, March 15, 1994.

             “The Environmental Community Perspective on Environmental and Occupational Cancer”. NIEHS Environmental Justice Symposium, Crystal City, VA, February 10 - 12, 1994.

             “The Toxicological Basis for Risk Assessment and the Cost of Regulation in EPA”, presentation before the National Academy of Sciences, Board on Environment, Science and Technology, Washington, DC, December, 1993.

            “Systemic Responses of  Estuarine Invertebrates to Hypoxia,” Estuarine Research Federation meeting, Hilton head, SC, November, 1993

            “Risk Assessment in the 1990's: Lessons from Dioxin”, seminar to the Medical University of South Carolina, November 1993.

             “Reassessment of the Health and Environmental Risks of Dioxin”, seminar to Eastern Connecticut State University, October 1993.

             “Environmental Activities: Prospective on Environmental Policy - Making Decisions in the Face of Uncertainty”. Office of Personnel Management Training Panel, Denver, CO, July 1993.

             “Responses of Aquatic Animals to Hypoxia in the Chesapeake Bay”, seminar to the Department of Biology, Virginia Commonwealth University, January 1993.

            “An Environmentalist Perspective on On-Site Oil Spill Clean Up”, panel presentation to Coast Guard Class, December 1992.

             “Physiological Responses of Blue Crabs to Long Term Hypoxia”, seminar to the Department of Biology, George Washington University, October 1992.

             “EPA's New Directions: Recommendations from the Environmental Community”, panel presentation to the EPA annual meeting on Water Quality Standards, September 1992.

             “The Role of Science in Environmental Regulation and Policy”, seminar to the College of Charleston, Environmental Studies Program, October 1991.

             “Wetland Values, Functions and Regulations in 1991”, invited lecture at Virginia Commonwealth University, Department of Urban Studies, October  1991.

             “How Much Is the Wetland in Your Back Yard Worth?”, College lecture series at Randolph Macon College, September 1991.

             “Public Participation in Long Term Management of Sediments Decision-making Processes”, presentation at LTMS National Workshop, Baltimore MD, February 1991.

             Molting in Blue Crabs: Physiological Adaptations to Low Salinity and Low Oxygen Environments, Seminar at Department of Biology, University of New Orleans, October 1989.

             Physiological Adaptations to Estuarine Habitats, seminar given to the Department of Biological Sciences, Mississippi State University, February  1989.

             Systemic Limitations to Gas Transport in Invertebrates, invited speaker at the fall meeting of American Physiological Society, October 1987.

 ABSTRACTS and PRESENTATIONS:

             P.L. deFur and S.R. Hypes, R. 1999. Effects of hypoxia/hypercapnic on Callinectes sapidus in the York River, VA. Am Zool. 39: 60A (Abs.)

             Stahl. R., G. Ankley, M. Crane, P. deFur, J. LeBlanc, C. Ingersoll, L. Tattersfield, and P. Mathiessen. 1999. Workshop report for EDIETA, SETAC annual meeting, Nov. 14-18, 1999; Philadelphia, PA.

             deFur, P.L. and S.R. Hypes. 1999. Blue crabs response to hypercapnic hypoxia compared with air exposure. Comp. Biochem. Physiol. 124A (suppl.): s141 (Abs.)

             Hypes, R and P.L. deFur. 1999. Effects of hypoxia/hypercapnic on Callinectes sapidus in the York River, VA. Annual meeting AERS: Gloucester Pt., VA; 23-25 April 1999.

             Hypes, R. and P.L. deFur. 1998. Effects of hypoxia and hypercapnia on blue crabs in an estuary of the Chesapeake Bay. Am. Zool. 38: 432 Abs.

             deFur, P.L. and C. Borgert 1998. Communications and outreach workgroup in the EDSTAC process. SETAC annual meeting, Nov., 1998, Charlotte, NC

            deFur, P.L. and C. Fehl. 1998. Pfeisteria hysteria in the Chesapeake Bay in 1997. SETAC annual meeting, Nov., 1998, Charlotte, NC

             deFur, P.L. et al. 1998. Characterizing the ecological risks of multiple stressors in ecological risk assessments; workshop results. SETAC annual meeting, Nov., 1998, Charlotte, NC

             deFur , P.L. 1997. A framework for ecological risk management – results of a workshop SETAC Annual meeting, Nov., 1997, San Francisco, CA.

             deFur, P.L. 1996. Exposure to hypoxia is accompanied by changes in ambient pH and carbon dioxide  with consequences for respiratory function. Am. Zool 36: (abs).

             deFur, P.L. and L.E. Burnett. 1995. Respiratory responses of blue crabs, Callinectes sapidus, to hypercapnic hypoxia. Am. Zool. 35: 66A (abs).

             deFur, P.L., J. Roberts and M. Spivack. 1995. Environmental endocrine disruptors: A proposed classification scheme.  Soc. Environ. Tox. & Chem. annual meeting, Nov. 1995, Vancouver, BC.

             deFur, P.L. 1995. Policy and Regulations for Control of Exotic Species Introductions. Panel presentation to annual meeting of Amer. Soc. Zool., St. Louis, MO

             deFur, P.L. 1993. Respiratory responses of blue crabs, Callinectes sapidus, to ambient hypoxia.  Am. Zool. vol. 33: 61A.

             deFur, P.L. 1993. Physiological responses of aquatic animals to persistent ambient hypoxia. Estuarine Research Federation Annual Meeting, November 1993.

             deFur, P.L. 1992. Ambient hypoxia limits biodiversity in estuarine and coastal habitats. Am. Zool. 32: abs.

             deFur, P.L. 1991. Human health and environmental threats due to dioxin exposure in ambient water.  AAAS annual meeting, Washington, DC.

             deFur, P.L. 1991. Water quality standards for dioxin are not protective of human health or the environment. Advances in Chesapeake Bay Research, 1991.  CRC, P.O. Box 1280, Solomons, MD.

             deFur, P.L. 1990. Ammonia excretion during hypoxia and hypersaline exposure in crayfish.  Atlantic Estuarine Res. Soc. meeting Gloucester Pt., VA.

             deFur, P.L. 1990. Oxygen uptake during long term hypoxia in blue crabs, Callinectes sapidus.  Am. Zool. 30: 93A.    

            deFur, P.L. 1989. Respiratory responses of blue crabs to long  and short term hypoxia; presentation at the Estuarine Research Federation meeting in Baltimore.

             deFur, P.L. 1989. Respiratory responses of blue crabs, Callinectes sapidus, to long term hypoxia; paper presented at the Atlantic Estuarine Research Society Meeting, Beaufort, NC.

             Maloney, C.T., L.E. Burnett and P.L. deFur. 1990.  Branchial water acid-base status in intertidal crabs during air exposure.  Am. Zool. 29: 104A.

             deFur, P.L., C.P. Mangum and C.L. Reiber. 1988. Effects of long term hypoxia on respiration in Callinectes sapidus Am. Zool. 28: 62A.

             Mangum, C.P., P.L. deFur and J.D. Reese. 1988. Effects of hypoxia on hemocyanin O2 transport in Callinectes sapidus. Am. Zool. 28: 62A

             Reiber, C.L. and P.L. deFur. 1988. Equilibrium of the acid‑base system of crustacean hemolymph in vitro.  Am. Zool. 28: 18A

             deFur, P.L., A.L. Pease and C.L. Reiber. 1988. Compensatory responses of blue crabs, Callinectes sapidus, to hypoxia.  2nd Internat. Congress Comp. Physiol. Biochem., LSU, Baton Rouge, LA.

             Reiber, C.L., P.L. deFur and G.F. Birchard. 1988.  Temperature sensitivity of oxygen uptake in the forest land crab, Stoliczia abbotti.  2nd Internat. Congres. Comp. Physiol. Biochem., LSU,  Baton Rouge, LA.

             deFur, P.L. 1987. Oxygen uptake of blue crabs during ecdysis at low salinity.  Am. Zool.  27: 6A.

             Lewis, R.J. and P.L. deFur. 1987.  Hemolymph PO2 and acid-base balance during molting in the Rock crab, Cancer irroratus.  Am. Zool.  27: 109A.

             Pease, A. S. and P.L. deFur. 1987.  Effects of long term hypoxia on respiratory and circulatory function in blue crabs, Callinectes sapidus. Am. Zool. 27: 109A.

             deFur, P.L. and C.L. Reiber. 1987. Hemolymph ion levels during molting in decapod crustaceans. Fed. Proc. 46:347.

             deFur, P.L. 1987. Physiological aspects of molting in blue crabs from the tidal fresh water Potomac River. Paper presented at the Portunid Ecology Workshop, Edgewater, MD.

            deFur, P.L. 1986. Some ion levels in the forest land crab, Stoliczia abbotti Rathbun. Am. Zool. 26: 75A.

             deFur, P.L. and K.L. Gallagher. 1986. Induced metabolic acidosis and alkalosis in the blue crab, Callinectes sapidus Rathbun.  Proc. Internat. Union Physiol. Sci. 1986. Univ. British Columbia, Vancouver, B.C, p. 217.

             Lewis, R.J., C.L. Klumpp and P.L. deFur. 1986. Aspects of molting in the rock crab, Cancer irroratus.  Am. Zool. 26: 49A.

             Nusbaumer, D.D. and P.L. deFur. 1986.  Molt morphometrics in Callinectes sapidus. Am. Zool. 26: 50A.

             Pease, A.L., P.L. deFur and C.Chase. 1986. Physiological compensation to long term hypoxia in the blue crab, Callinectes sapidus. Am. Zool. 26: 122A.

             Gallagher, K.L. and P.L. deFur. 1985. Responses of blue crabs to neutral and acidic seawater injection. Am. Zool. 25: 48A.

             deFur, P.L. and D.J. Maetzold. 1984. Chronic blood pressure  measurements in the land crab, Gecarcinus ruricola. First International Cong. Comp. Physiol. Biochem., Liege, Belgium.

             Maetzold, D.J. and P.L. deFur. 1984. Hemolymph pressures and gill structure of a land crab. Am. Zool. 24: 111A.

             deFur, P.L. and K. Lukowiak. 1983. Cardiovascular function in a semi-intact preparation of Aplysia californica  is affected by spontaneous gill movements. Am. Zool. 23: 917.

             McMahon, B.R., P.L. deFur, C.P. Mangum and M.G. Wheatly. 1983.  Compensation for changes in acid‑base status occurring during the molting cycle in the blue crab, Callinectes sapidus. Am. Zool. 23: 952.

             Mangum, C.P., B.R. McMahon, P.L. deFur and M.G. Wheatly. 1983.  Oxygen uptake and transport during a molt in Callinectes sapidus.  Am. Zool. 23: 952.

             deFur, P.L. 1982. Branchial function in the intertidal crab, Panopeus herbsti during air exposure. Am. Zool. 22: 958.

             deFur, P.L. and B.R. McMahon. 1980. Respiratory responses to emersion of crabs from different littoral habitats. Am. Zool. 20: 908.

             Jorgensen, D., G. Bourne, L. Burnett, P. deFur and B. McMahon.  1982. Circulatory function during hypoxia in the Dungeness crab, Cancer magister.  Am. Zool. 22: 958.

             deFur, P.L. and B.R. McMahon. 1980. Hemolymph acid-base status of the intertidal crab, Cancer productus, during and following emersion.  The Physiologist 23: 70.

            deFur, P.L., P.R.H. Wilkes and B.R. McMahon. 1980.  Evidence of shell buffering in the crab, Cancer productus. Can. Soc. Zool. Ann. Meeting.

            deFur, P.L., A.W. Pinder, C.E. Booth and B.R. McMahon. 1980.  Hemolymph respiratory parameters during in situ emersion in the decapod, Cancer productus. Prairie Univ. Biol. Sem.

             Booth, C.E., A.W. Pinder, P.L. deFur and B.R. McMahon. 1980.  Oxygen uptake and transport during swimming in the blue crab, Callinectes sapidus. Can. Soc. Zool. Ann. Meeting.

             Wilkes, P.R.H., P.L. deFur, and B.R. McMahon. 1980. A new mathematical description of crustacean acid-base status.  Can. Soc. Zool. Ann. Meeting.

             deFur, P.L., D.D. Jorgensen and L.E. Burnett. 1979. Circulatory parameters in a decapod crustacean, Cancer