About Dr. Woodhall Stopford
  About Dr. Stopford
About Dr. Woodhall Stopford


WOODHALL STOPFORD, MD, MSPH
February 2004
Curriculum Vitae

PERSONAL DATA:
Born:  Jersey City, NJ, February 1943
Address:  Suite 600A, 2200 West Main St., Durham, NC  27705
Telephone:  919-286-5744
Fax: 919-286-1021

EDUCATION:
Dartmouth College, BA, Geology and Chemistry, 1965
Dartmouth Medical School, BMS, 1967
Harvard University, M.D., 1969
University of North Carolina, MSPH (Industrial Hygiene), 1980

MEDICAL EXPERIENCE AND TRAINING:
Intern in Medicine, Duke Medical Center, 1969-70
Clinical Scholar, Community Health Sciences, Duke Medical Center, 1970-71
Resident in Medicine, Indiana University Medical Center, 1971-73
Fellow, Community Health Sciences, Indiana University Medical Center, 1971-73
Director, Employee Health Service, Duke University and Medical Center, 1973-76
Director, Screening Clinic, Duke Medical Center, 1973-76
Physician, Division of Occupational and Environmental Medicine, Duke Medical Center, 1973-
Consulting Practice in Industrial Medicine and Toxicology, 1974-

APPOINTMENTS:
Associate to Clinical Assistant Professor, Department of Community & Family Medicine, Duke University Medical Center, 1973-
Adjunct Assistant Professor, School of Public Health, University of North Carolina, 1976-
Consulting Staff, Watt Hospital, 1973-76        
Consulting Staff, Duke Hospital, 1984-
Courtesy Staff, Durham County General Hospital, 1977-

TEACHING ADMINISTRATION
Director, Postgraduate Training Program in Industrial Medicine and Toxicology, Duke University Medical Center, 1981-83
 Director, Occupational and Environmental Medicine Education Program, Duke Medical Center, 1983-1998
Initial Development: Occupational and Underseas Medicine Residency Training Tract
Course Director ENVR 135/144 (UNC School of Public Health): Industrial and Environmental Toxicology
Clerkship in Occupational Medicine, Course Director (CFM 205, Duke Medical Center), 1987-1998

TEACHING EXPERIENCE
ENVR 135 (UNC School of Public Health): Industrial and Environmental Toxicology: course director
PHR 254 (Duke Medical Center): Mammalian Toxicology: Industrial Toxicology lecture
ENV 246 (Duke School for the Environment): Survey of Occupational Health and Safety: Dust- Related Diseases; Concepts in Toxicology; Occupational Respiratory Diseases; Acute and Chronic Toxicity; Problem Solving in Occupational and Environmental Health
ENV 247 (Duke School for the Environment): Survey of Environmental Health and Safety: Environmental Lung Disease; Chemicals/minerals
Third Year Basic Research in Biometry and Occupational Medicine: Registry of Hazardous Waste Workers, Mentor, 1995.
UNC Department of Environmental Science and Engineering, Estimation of Respirable Dust Exposure, High Vol vs. Cyclone. Master's Thesis Advisor, 1996.

SPECIALTY BOARD CERTIFICATION:
Diplomate, American Board of Internal Medicine, 1973
Diplomate, American Board of Preventive Medicine (Occupational Medicine), 1983

MILITARY:
Active Reserve, U.S. Army and National Guard, 1970-76; Major, MC
Assistance State Surgeon, Indiana, 1972-3

MEMBERSHIPS:
Fellow, American College of Occupational and Environmental Medicine
American Industrial Hygiene Association
American Conference of Governmental Industrial Hygienists
Medichem:  Occupational Health in the Chemical Industry
Durham-Orange County Medical Society
North Carolina Medical Society
Triangle Chapter of the Society for Risk Analysis

MANUSCRIPT REVIEWER FOR:
Annals of Internal Medicine
Environmental Health Perspectives

EDITORIAL REVIEW BOARD:
Member, International Editorial Review Board, Applied Occupational & Environmental Hygiene, 1995-2003

COMMITTEES, STATE AND NATIONAL:
Chairman, Task Force for Safety of Ceramic Glazes, C21.08 Committee, American Society for Testing and Materials, 1997-
Chairman, Task Force for Chronic Health Hazard labeling, D01.57 Committee, American Society for Testing and Materials, 1981-
Chairman, Task Force for Bioavailability Testing of Art Materials, D01.57 Committee, American Society for Testing and Materials, 1988-
Member, Scientific Advisory Board to the Secretary of the Department of Environment, Health and Natural Resources, 1990-
Medical Society, Committee on Occupational and Environmental Health, 1996-2001
Delegate to the NC Medical Society representing the Carolinas Occupational Medical Association, Coordinating Council of Specialty Societies, 1998-9
Member, North Carolina Source Water Program Taskforce: determining water pollution sources. 1998-1999
Member, Medical Advisory Committee for the NC Industrial Commission in the field of Occupational Medicine, 1999
Co-Chairman, Section on Academic Occupational Medicine, American Occupational Medical Association, 1986-1994
Member, Industrial Hygiene Program Advisory Committee, UNC School of Public Health, Department of Environmental Sciences and Engineering, 1993-1998
Member, Steering Committee, Occupational Safety and Health Education Resource Center, 1976-1998
Member, ACOEM, Occupational & Environmental Medicine Residency Directors Member, North Carolina Member, North Carolina Task Force on Health Risk of Exposure to Fish Kill Waters, 1997-2001
Member, Risk Characterization of CS Expert Workshop, Toxicology Excellence for Risk Assessment and Joint Non-Lethal Weapons Directorate, 2002
Member, Risk Characterization of Non-Lethal Weapons Workshop,  Toxicology Excellence for Risk Assessment, 2002
Member, Area Denial-Personnel Risk Assessment and Characterization Expert Workshop, Joint Non-Lethal Weapons Directorate, 2002
Member and Presenter, Human Effects & Risk Characterization of Non-Lethal Weapons Workshops, Joint Non-Lethal Weapons Directorate and National Institute of Justice, 2003
Chairman, Riot Control Agent Comparison Study Assessment, Toxicological Aspects, Joint Non-Lethal Weapons Directorate and US Army Edgewood Chemical Biological Center, 2004

COMMUNITY SERVICE:
Chairman, Orange County Solid Waste Committee, 1992-1999
Member, Citizens Advisory Committee on Solid Waste Management, Orange County,  1994-1999

GRANTS:
Principal Investigator, Duke Occupational Medicine Training Grant, Occupational Safety  and Health Education Resource Center, NIOSH, 5T150H071, 1976-1998
Cobalt Development Institute 2001-2, Research contract for bioequivalency testing of cobalt compounds

AREAS OF RESEARCH INTEREST:
Development of methods for the measurement of contaminants in consumer products; development  of bioequivalency test methods to support toxicological risk assessment of consumer products.

CONSULTING TOXICOLOGIST TO:
Art and Craft Materials Institute, Inc.
Pencil Makers Association, Inc.
Writing Instrument Manufacturers Association
Troy Chemical Co.

PUBLICATIONS:
Stopford W, Goldwater LJ. Methylmercury in the environment; a review of current understanding.  Environmental Health Perspectives 1975;12: 115-118.

Stopford W, Donovan DH, Abou-Donia MB, Menzel DB. Glutathione peroxidase deficiency and mercury allergy:  amelioration with selenium supplementation.  In: Symposium on Selenium-Tellurium in the Environment, Notre Dame, 11-13 May 76 (Pittsburgh:  Industrial Health Foundation, Inc.), 104-112.

Goldwater LJ, Stopford W. Mercury and the environment.  In:  Lenihan J. and Fletcher, W., Eds.  Environment and Man, v. 5, the Chemical Environment.  (Glasgow:  Blackie), 1977.

Stopford W. and Goldwater LJ.  Routes of entry/influence on toxicology.  In:  Industrial Toxicology  (Darien:  Dunlop and Assoc., Inc.), 1977.

Stopford W, Goldwater LJ.  Toxicity of inorganic compounds.  In:   Industrial Toxicology  (Darien:  Dunlap and Assoc., Inc.), 1977.

Stopford W, Goldwater LJ.  Toxicity of organic compounds.  In:   Industrial Toxicology  (Darien:  Dunlap and Assoc., Inc.), 1977.

Stopford W, Bundy SD, Goldwater LJ, Bittikofer JA.  Microenvironmental exposure to mercury vapor.  Am. Industr. Hygiene Assoc. J. 1978; 39:378-384.

Stopford W.  Industrial exposure to mercury.  In:  J.O. Nriagu, Ed.   Biogeochemistry of Mercury  (Amsterdam:  Elsevier/North Holland), pp. 367-397, 1979.
             
Stopford W.  Chloronaphthalenes:  Human Health Effects  (Cincinnati:  U.S. Environmental Protection Agency), 1979.

Stopford W.  Naphthalene:  Human Health Effects  (Cincinnati:  U.S. Environmental Protection Agency), 1979.

Sullivan RJ, Estes EH, Stopford W, Lester AL.  Adherence by physicians and physicians' extenders to explicit strategies for management of common medical conditions.  Medical Care 1980; 18: 388-399.

Stopford W.  The Use of Differential Absorption for the Speciation of Mercury Vapor  (Chapel Hill:  University of North Carolina School of Public Health).  Master's Technical Report, 1980.

Stopford W. Mercury intoxication among dental personnel.  J. Am. Med. Assoc. 1983; 250: 822.

Stopford W.  Toxic Effects of Pesticides.  In:  P.L. Williams, Ed., Industrial Toxicology-Safety and Health Applications in the Workplace  (Atlanta:  Georgia Institute of Technology), 1985.

Stopford W. Toxic Effects of Organic Solvents.  In:  P.L. Williams, Ed., Industrial Toxicology-Safety and Health Applications in the Workplace (Atlanta:  Georgia Institute of Technology), 1985.

Stopford W. Occupational Epidemiology.  In:  P.L. Williams, Ed., Industrial Toxicology-Safety and Health Applications in the Workplace (Atlanta:  Georgia Institute of Technology), 1985.

Stopford W.  Safety and Health Practices for Working with Metallic Mercury.  Hellertown, PA:  Bethlehem Apparatus Co., Inc, 1985.

Sheron D, Stopford W. Kvivsolv koncentrationer I sved anvendelse ved diagnostisering og behandling af forgiftning.  Dan. Wk. Med. J. 1985.

Bunn WB, Stopford W. Medical surveillance of hazardous waste workers:  The potential for health problems from working with hazardous waste.  Prof. Eng.  Sept./Oct, 1985; 43-46.

Bunn WB, Greenberg G, Stopford W. Insecticides In:  Jay Arena's Poisoning, 5th Ed.  Springfield:  Charles C. Thomas, 1986.

Bunn WB, Greenberg G, Stopford W.  Rodenticides, Fungicides, Herbicides, Fumigants, and Repellents.  In:  Jay Arena's Poisoning, 5th Ed.  Springfield:  Charles C. Thomas, 1986.

Bunn WB, Greenberg G, Stopford W. Industrial Hazards.  In:  Jay Arena's Poisoning, 5th Ed.  Springfield:  Charles C. Thomas, 1986.

Stopford W.  Art Hazards. In:  Jay Arena's Poisoning, 5th Ed. Springfield: Charles C. Thomas, 1986.

Stopford W, Bunn WB.  Effects of Exposure to Toxic Gases:  First Aid and Medical Treatment, 3rd Ed., Secaucus, N.J.:  Matheson Gas Products, 1988.

Stopford W. Safety of lead-containing hobby glazes. N.C. Med. J. 1988; 49:31-34.

Patterson R, Harris KE, Stopford W, Van der Heident G, Grammar LC, Bunn W. Irritant Symptoms and Immunologic Responses to Multiple Chemicals:  Importance and Immunologic Correlations. Int. Arch. Allerg. Appl. Immunol. 1988; 85:467-71.

Frazier LM, Cromer JW, Andolsek KM, Greenberg GN, Thomann WR, Stopford W. Teaching occupational and environmental medicine in primary care residency training programs:  experience using three approaches during 1984-1991.  Am. J. Med. Sci. 1991; 301: 42-45.

Stopford W.  Lead exposure from the application of hobby glazes.  (in preparation)

Stopford W., Miller S, Bosserman W, and Smith K.  Solvent Exposure in the Graphic Arts (in preparation).

Stopford W. Use of Carbonate Fusion to Determine Quartz in Respirable and Bulk Earth Samples. Anal. Chim. Acta  1994; 286: 67-73.

Tulis JJ, Stopford W. General Principles of Microbiology and Infectious Disease. In: Physical and Biological Hazards of the Workplace, PH Wald, GM Stave, eds. New York: Van Nostrand Reinhold, 1994.

Stopford W. Lead testing (Letter to the Editor). ASTM Standardization News October: 8, 1994.

Stopford CM, Stopford W. Potential for respirable quartz exposure from North Carolina farm soils.  Scand. J. Work Environ. Health 1995; 21, suppl 2: 44-46.

Stopford CM, Stopford W.  Respirable quartz content of farm soils.  Applied Occupational and Environmental Hygiene, 1995; 10: 196-199.

Tippens RL, Stopford W. Carcinogens and Mutagens. In: L Frazier, Ed., Reproductive Risks in the Workplace, 1997..

Stopford CM, Stopford W, Johnson J, Genter MB, Storm J. Quartz content of respirable dusts collected by tractor filters. In preparation.

Elghany NA, Stopford W, Bunn WB, Flemming LE. Occupational exposure to inorganic mercury vapour and reproductive outcomes. Occup. Med. 1997; 47: 333-6.

Stopford CM, Stopford W, Brock T.  Measuring Spontaneous Heating Tendency of Art Materials.  American Society for Testing and Materials, submitted for publication as a research report.

Stopford CM, Stopford W, Roggli V.  Measuring respirable silica in cigarette smoke: quantitative assays of crystalline silica in main stream and side stream cigarette smoke using the carbonate fusion method of Dobreva with confirmation by EM electron probe analysis (in preparation).

Stopford W. Guidelines for the Safey Use of Ceramic Art Materials. Submitted to the American Society of Testing and Materials as an Appendix to Standard Practice C1023, Labeling Ceramic Art Materials for Chronic Adverse Health Hazards, 1998.

Stopford CM, Stopford W, Reist P. Respirable Dust and Quartz Exposure During the Manufacture of Greenware: Evaluation of Exposure and the Effectiveness of Control Measures. Research Report Submitted to the American Society of Testing and Materials in Support of Test Method C1023, Labeling of Ceramic Materials for Chronic Health Hazards, 1998.

Stopford W, Stanion C. Potential for Lead Dust Exposure During the Operation of Contemporary Ceramic Studios. Research Report Submitted to the American Society for Testing and Materials in Support of Test Method C1023, Labeling of Ceramic Materials for Chronic Health Hazards, 1998.

Smith GC, Stopford W. Health hazards of pepper spray. NC Med J 60 (5): 268-274, 1999.

Stopford CM, Stopford W. Estimating exposures to respirable quartz to farmers and residents in North and South Carolina (in preparation).

Stopford W. Hazard Risk  Assessment for Use of Polymer Clays. Submitted to CPSC. http://www.duketox.mc.duke.edu/recenttoxiissues.htm.  2000.

Stopford W. Risk assessment for asbestiform talc. Submitted to NTP. http://www.duketox.mc.duke.edu/recenttoxiissues.htm.  2000.

Stopford W, Turner J. Comparison of solubility of lead in various materials and its bioavailability. Research Report submitted to ASTM in support of  D5517, Standard Test Method for  Determining Extractability Of Metals From Art Materials, 2000.

Stopford W, Turner J. Factors affecting the solubility of metals in art materials. Research Report submitted to ASTM in support of  D5517, Standard Test Method for  Determining Extractability Of Metals From Art Materials, 2000.

Swinker M, Koltai D, Wilkins J, Hudnell K, Hall C, Darcey D, Robertson K, Schmechel D, Stopford W, Music S. Estuary-associated syndrome in North Carolina: an occupational prevalence study.
 Environ Health Perspect. 2001; 109(1):21-26.

Hudnell HK, House D, Schmid J, Koltai D, Wilkins J, Stopford W, Savitz D, Swinker M and Music S (2001). Human visual function in the North Carolina clinical study on possible estuary-associated syndrome. J Toxicol Env Health, Part A.62:575-594.

Swinker M, Koltai D, Wilkins J, Stopford W. Is there an estuary associated syndrome in North Carolina? Findings in a series of hotline callers. N C Med J. 2001 62(3):126-132.

Stopford W. Risk assessment: Talc in Art Materials. Submitted to CPSC. , 2001

Stopford W. Risk assessment for Respirable Dusts Generated from Use of Chalks and Pastels. Submitted to CPSC. http://www.duketox.mc.duke.edu/recenttoxiissues.htm. 2001

Tulis JJ, Stopford W. General Principles of Microbiology and Infectious Disease. In: Physical and Biological Hazards of the Workplace, 2nd Ed. PH Wald and GM Stave, eds. New York: Wiley-Interscience. 2002, pp. 305-311.

Stopford W. Risk assessment: Personnel Defense Devises. Submitted to CPSC, 2002

Stopford W, Reist P. Respirable Dust and Aerosol Exposures from Using Art Materials. Submitted to CPSC. http://www.duketox.mc.duke.edu/recenttoxiissues.htm. 2002

Stopford W. Risk Assessment: Non-cancer Toxicity of Cobalt. Submitted to ATSDR. 2002

Hoffmann KK, Weber DJ, Stopford W, Smith CG, Newmark J, Maliner BI, Clontz BE, Rutala WA. Chemical Terrorism Agents and Syndromes. North Carolina State Wide Program for Infection Control and Epidemiology (SPICE). http://www.unc.edu/depts/spice/chemical.pdf. 2002

Stopford W, Miller JS, Smith KN, Bosserman W. Solvent Exposure to Graphic Artists. Submitted to CPSC.
http://www.duketox.mc.duke.edu/recenttoxiissues.htm. 2002

Stopford W. Risk Assessment: Risk Assessment for the Chronic Toxicity of Copper. Submitted to ATSDR. 2003

Stopford W, Turner J, Cappellini D, Brock T. Bioaccessibility testing of cobalt compounds. J Environ Management. 2003; 3(5):675-680.

Brock T, Stopford W. Bioaccessibility of metals in human health risk assessment: Evaluating risk from exposure to cobalt compounds. J Environ Management. 2003; 3(5):71N-76N.

Stopford W. Solvent Exposure from use of Whiteboard Markers. Submitted to CPSC. http://www.duketox.mc.duke.edu/recenttoxiissues.htm. 2003.

Stopford W. Risk Assessment: Chronic Toxic Summary for Respirable Silica. Submitted to California’s Office of Environmental Health Hazard Assessment. http://www.duketox.mc.duke.edu/recenttoxiissues.htm. 2003.

Olajos EJ, Stopford W., eds. Riot Control Agents. Issues in Toxicology, Safety and Health. London: CRC Press. ISB No. 0-415-29902-0. 2004, author of chapters on:
    -human exposures to RCAs
    -chronic toxicity of RCAs
    -occupational exposures to RCAs
-decontamination and medical management after exposures to RCAs
            co-author of chapters on:
-historical perspectives of RCAs
-acute sensory irritation of RCAs
-issues/concerns, needs, emerging concepts/trends and advances in RCAs

Stopford W. Risk Assessment: Titanium Dioxide. Submitted to California’s Office of Environmental Health Hazard Assessment.
http://www.duketox.mc.duke.edu/recenttoxiissues.htm. 2003.

Stopford W. Aerosol Production During the Use of Art & Craft Materials. Submitted to Consumer Product Safety Commission.
http://www.duketox.mc.duke.edu/recenttoxiissues.htm. 2003.

SELECTED SEMINARS AND COURSES GIVEN:
AAOM Conference:  Principles of Medical Monitoring for Multiple Toxic Exposures, 1976
Occupational Seminar Series:  Toxicology of Mercury, 1979
NIOSH, Morgantown:  Industrial Toxicology of the Lung, 1979
NIOSH, Morgantown:  Industrial Carcinogenesis, 1979
AMA Congress on Occupational Health:  Clinical Evaluation of Carbon Disulfide Intoxicated Workers and Their Families, 1979
Duke Toxicology Seminar Series:  Toxicology of Inorganic Mercury, 1980
Georgia Tech. Industrial Toxicology Course:  Industrial Epidemiology, 1981-82
Georgia Tech. Industrial Toxicology Course:  Toxicology of Heavy Metals, 1981-82
Durham-Orange County Dental Society:  Mercury Hazards in Dentistry, 1981
ERC Summer Institute:  Industrial Toxicology: Basics; Heavy Metals; Occupational Pulmonary Disease; Toxicology of Organics, 1981
NC State University Short Court in Toxicology:  Industrial Pulmonary Disease; Toxicology of Heavy Metals, 1981
Environmental Resource Center Seminar:  Occupational Medicine Today, 1982
Clinical Aspects of Toxicology Seminar:  Pathophysiology of CNS Toxicants; Mercury, 1983
Brooklyn College Medical Geology Conference:  Biogeochemistry of Mercury in the Aquatic Environment, 1984
Environmental Resource Center Seminar:  Labeling for Chronic Health Hazards of Artists Materials, 1985.
Duke Occupational Medicine Seminar Series:  Occupational Asthma, 1985
Duke Family Medicine Seminar:  Occupational Lung Disease, 1985
N.C. Occupational Health Education Resource Center Conference: Formaldehyde Lung Disease,   1985
Duke Hazardous Communications Conference: Hazard Determination and Developing Material Safety Data Sheets, 1985
Duke Medical Grand Rounds:  Reactive Airways Dysfunction Syndrome, 1985
Duke Occupational Medical Seminar Series:  Risk Assessment, 1985
RTI Seminar:  Hepatitis B Prophylaxis, 1985
Duke Occupational Medicine Seminar Series:  Cardiac Toxicity to Fluorocarbons, 1986
UNC Family Medicine Seminar:  Reactive Airways Disease, 1986
IBM Seminar:  Toxicology for Occupational Health Nurses, 1986
N.C. Occupational Health Education Resource Center Conference: Hazards of Spray Painting,  1986
RTI Seminar:  Toxicology and Safety Precautions in Handling: Organophosphate Neurotoxins,  1986
MCNC:  Toxicology and Safety Precautions in Handling: Hydrofluoric Acid, 1986
Washington OHERC short course:  Labeling for Art Hazards, 1986
Duke Occupational Medicine Seminar Series:  Reactive Airways Disease, 1986
RTI Seminar Series:  Hazards in the Microelectronics Industry, 1986-7.
Environmental Resources Center Seminar:  Hazards Associated with the Manufacture of Ceramics, 1987
Northern Telecom CME Conference:  Repetitive Stress Disorder, 1987
Preventive Medicine Seminar, UNC:  Reactive Airways Dysfunction Syndrome, 1987
U.S. Army Environmental Hygiene Agency:  Reactive Airways Dysfunction Syndrome, 1987
Duke General Internal Medicine Residents Seminar Series: Industrial Toxicology, 1987
Duke Occupational Medicine Seminar Series:  Occupational Leukemia, 1987
ERC Seminar: Lead Exposure from Hobby Ceramic Glazes, 1987
UNC Department of Epidemiology:  Training in Occupational Medicine, 1988
Union Carbide Physicians Group:  Occupational Lung Disease, 1988 -
AOMA Short Course:  Art Hazards, 1988
Art and Craft Materials Institute:  Labeling For Art Hazards, 1988
Mammalian Toxicology Course:  Industrial Toxicology, 1989
Duke Family Medicine Seminar:  Toxicology for Clinicians, 1989
Duke Family Medicine Program:  Industrial Toxicology for the Practicing Physician 1991
Carolina Occupational Medical Association: Grand Rounds in Occupational and Environmental Medicine: Neurotoxic Encephalopathy; Reactive Airway Dysfunction Syndrome, 1991
Rhone-Poulenc Physician Continuing Medical Education Conference: Reactive Airways Disorder and Occupational Asthma, 1991
Caldwell Memorial Hospital Grand Rounds: Neurotoxic Encephalopathy, 1992
North Carolina Academy of Physicians Midsummer Family Practice Digest, Pulmonary Hazards in the Workplace, 1992
American College of Allergy & Immunology, Chicago: Neurologic & Immunologic Abnormalities After Exposures to Multiple Chemical Toxicants, 1992
Crystalline Silica International Symposium, Boston, MA,  Development of a Carbonate Fusion Technique for the Analysis of Quartz in Respirable and Bulk Earth Samples. 1992
Carolina Occupational Medical Association, Tryon, NC, Grand Rounds in Occupational Medicine, 1992
International Congress on the Health Effects of Hazardous Waste, Atlanta, Persistent Central and    Autonomic Nervous System Dysfunction Seen in Hazardous Waste Workers: A Case Series, 1993
Carolina Occupational Medical Association, Grand Rounds in Occupational Medicine, Asheville, 1993
Rex Hospital, Raleigh, NC, Grand Rounds: Acrodynia, 1993
(with CM Stopford) 2nd International Congress on Silica, Silicosis and Cancer, San Francisco, CA, Potential for Respirable Quartz Exposure from Farm Soils, 1993
Silica 93, Arlington, Va, Respirable Quartz in Commercial Materials
WIMA Write Show, Atlanta: Assessment of Writing Instruments for Hazard labeling
WTVD: Labeling of Art Materials for Chronic Health Hazards
Duke Occupational Medicine Journal Club: Reactive Airways Dysfunction Syndrome after Chronic Exposures, 1994
Duke Occupational Medicine Seminar Series: Introduction to Toxicological Risk Assessments, 1994    
NC State University Dept. of Toxicology: Risk Assessment for Respirable Quartz, 1995
Duke Family Medicine Grand Rounds: Reactive Airways Dysfunction Syndrome, 1995
Southern Agrimedicine Consorsium: Respirable Quartz Exposures During Farming Activities, 1995
Carolina Occupational Medical Association, Grand Rounds in Occupational Medicine: Guillain Barre Syndrome after Mercury Amalgam Removal, 1996
(with CM Stopford) Use of high volume air filters to measure crystalline silica in the environment. North Carolina Environmental Science Research Fair.  National Institute of Environmental Health Sciences,  1996.
(with CM Stopford). Estimating exposure to crystalline silica associated with agricultural activities. National Institute for Farm Safety: 1996 Summer Conference
(with CM Stopford)Factors affecting spontaneous combustion tenancy of artists’ oils. ASTM D.01 Committee meeting, 1997
Carolina Occupational Medical Association, Grand Rounds in Occupational Medicine: chronic adverse effects from chromium and trichloroethylene exposures, 1997
International Academy of Oral Medicine and Toxicology: Guillain Barre Syndrome after Acute Mercury Exposures, 1998
Duke Occupational Medicine Seminar Series: Immunotoxicology of Silica, 1998
Duke Institute for Learning in Retirement: Art Material Hazards, 1999
Duke Occupational Medicine Seminar Series: Art Material Hazards, 1999
Occupational Medicine for Physician Associates: Heavy Metals, 2000
Duke Occupational Medicine Seminar Series: Chemical terrorism, 2001
Community and Family Medicine Grand Rounds: chemical terrorism, 2001
Occupational Medicine for Physician Associates: Heavy Metals, 2001
Duke Health Care System: Grand rounds on terrorism (with Drs. Keith Kaye and Wayne Thomann), 2001
Duke University Forum: The War Against Terrorism: Medical Aspects of Terrorism (with Drs. Keith Kaye, Randy Jirtle, John Fairbank), 2001
Duke Occupational Medicine Seminar Series: Chemical terrorism, 2002 (part II)
University of North Carolina School of Public Health, Chemical Terrorism, 2002
Cobalt Development Institute: solubility of cobalt compounds and risk, 2002
Occupational Medicine for Physician Associates: Heavy Metals, 2002
Eagleson Institute Seminar Series, Chemical Terrorism, 2003
Duke Occupational Medicine Seminar Series: autism and exposure to thimerosal, 2003

Current Research
Stopford CM, Stopford W. Exposure to respirable quartz from soils in the coastal plains and risk of death from pulmonary fibrosis
Stopford W. Cook L. Relationship between thimerosal exposure with infant vaccinations and risk of autism. Case-control study using the VAERS database.