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Dr. Marsha K. Morgan
RESEARCH ENVIRONMENTAL HEALTH SCIENTIST
Exposure Measurements and Analysis Branch
Human Exposure and Atmospheric Sciences Division
EDUCATION/TRAINING
USDA Graduate School’s Executive Potential Program, 2005, Washington D.C.
USEPA, Post-Doctoral Fellow, ORD/NERL, 2000, RTP, NC
Ph.D. in Animal Science-Environmental Toxicology, 1998, Michigan State University
M.S. in Environmental Health Sciences, 1994, East Tennessee State University
B.S. in Pre-medicine Zoology, 1991, Ohio University
PROFESSIONAL EXPERIENCE
Research Environmental Health Scientist, USEPA, ORD, NERL, HEASD, EMAB, RTP, NC; 2000 to
present.
Supervisory Physical Scientist (detail), USEPA, ORD, NERL, HEASD, EMAB, RTP, NC; 8/2007-12/2007.
Research Scientist (detail), USEPA, OSP, Washington D.C.;11/2004-1/2005.
Research Scientist (rotational assignment), USEPA, OAQPS, HEEG, RTP, NC; 07/2004-9/2004.
Environmental Health Scientist at the USEPA, ORD, NERL, Postdoctoral Research Program in RTP, NC;
1998-2000.
SELECTED AWARDS AND HONORS
USEPA NERL Special Achievement Award 2009.
USEPA Level I Scientific and Technological Achievement Award (STAA) 2009.
USEPA's ORD Science Communication Award 2008.
International Society of Exposure Science’s Joan M. Daisy Outstanding Young Scientist Award 2008.
USEPA Children’s Environmental Health Excellence Award 2007.
USEPA NERL Special Achievement Award 2007
USEPA NERL Special Achievement Award 2006
USEPA Special Accomplishment Recognition Award 2006
USEPA ORD Honor (Bronze) Award 2005
USEPA Special Accomplishment Recognition Award 2005
USDOT Special Recognition Award by the Assistant Secretary of Administration 2004
USEPA Special Accomplishment Recognition Award 2004
USEPA Special Accomplishment Recognition Award 2003
USEPA On-the-Spot Award 2003
USEPA Special Accomplishment Recognition Award 2001
Who’s Who of Research Triangle Park Scientists (Up and Coming Scientist Award) 2001
SELECTED PUBLICATIONS
Aylward L, Morgan M, Arbuckle T, Barr D, Burns C, Alexander B, and Hays S. Biomonitoring Data for 2,4-Dichlorophenoxyacetic Acid in the US and Canada: Interpretation in a Public Health Risk Assessment Context Using Biomonitoring Equivalents. Environmental Health Perspectives (accepted).
Stout II D, Morgan M, Egeghy P, and Xue J. The movement of diazinon residues into homes following applications of a granular formulation to residential lawns. American Chemical Society, invited bookchapter for Household, Structural and Residential Pest Management (accepted).
Morgan M, Stout D, Barr, D. 2008. Pilot study of the potential for human exposures to pet-borne diazinon residues following lawn applications in North Carolina. Environmental Research. 107: 336-342.
Morgan M, Sheldon L, Thomas K, Egeghy P, Croghan C, Jones P, Chuang J, and Wilson N. 2008. Adult and children’s exposure to 2,4-D from multiple sources and pathways. Journal of Exposure Science and Environmental Epidemiology. 18:486- 494
Fulk, F, Morgan M, and Kenneke J. Exposure reconstruction: A framework for advancing exposure assessment. EM (magazine for environmental managers). July 2008 issue.
Egeghy P, Sheldon L, Fortmann R, Stout D, Tulve N, Cohen Hubal E, Melnyk L, Morgan M., Jones P, Whitaker D., Croghan C., and Coan A. 2007. “Important exposure factors for children: an analysis of laboratory and observational field data characterizing cumulative exposure to pesticides.” EPA 600/R-07/013.
Morgan M, Sheldon L, Croghan C, Jones P, Chuang J, and Wilson N. 2007. An observational study of 127 preschool children at their homes and daycare centers in Ohio: Environmental pathways to cis- and trans-permethrin exposure. Environmental Research. 104: 266-274.
Wilson N, Chuang J, Lordo R, Morgan M, and Sheldon L. 2007. An observation study of the potential exposures of preschool children to pentachlorophenol, bisphenol-A, and nonylphenol at home and daycare. Environmental Research. 103(1): 9-20.
Morgan M, Sheldon L, Croghan C, Jones P, Robertson G, Chuang J, Wilson N, and Lyu C. 2005. Exposures of preschool children to chlorpyrifos and its degradation product 3,5,6-trichloro-2-pyridinol in their everyday environments. Journal of Exposure Analysis and Environmental Epidemiology 15: 297−309.
Morgan M, Sheldon L, Croghan C, Chuang J, Lordo R, Wilson N, Lyu C, Brinkman M, Morse N, Chou Y, Hamilton C, Finegold J, Hand K, and Gordon S. 2004. “A pilot study of children’s total exposure to persistent pesticides and other persistent organic pollutants (CTEPP).” EPA/600/R-041/193.
Wilson N, Chuang J, Iachan R, Lyu C, Gordon S, Morgan M, Ozkaynak H, and Sheldon L. 2004. Design and sampling methodology for a large study of preschool children’s aggregate exposures to persistent organic pollutants in their everyday environments. Journal of Exposure Analysis and Environmental Epidemiology. 14: 260-274.
Wilson N, Chuang J, Lyu C, Menton R, and Morgan M. 2003. Aggregate exposures of nine preschool children to persistent organic pollutants at day care and at home. Journal of Exposure Analysis and Environmental Epidemiology. 13(1): 187-202.
Fortmann R, Sheldon L, Cohen Hubal E, Morgan M, Stout D, Thomas K, Tulve N, and Whitaker D. 2002. The EPA National Exposure Research Laboratory Children’s Pesticide Exposure Measurement Program. Indoor Air 2002 International Meeting (Proceedings).
Morgan M, Stout D, and Wilson N. 2001. A feasibility study of the potential for human exposure to pet-borne diazinon residues following lawn applications. Bulletin of Environmental Contamination and Toxicology. 66(3): 295-300.
Morgan M, Fitzgerald S, Rottinghaus G, Bursian S, and Aulerich R. 1999. Toxic Effects to Mink of Moniliformin Extracted from Fusarium Fujikuroi Culture Material. Veterinary and Human Toxicology. 41(1): 1-5.
Morgan M, Bursian, S, Rottinghaus G, Bennett G, Render J, and Aulerich R. 1998. Subacute and Reproductive Effects in Mink (Mustela vison) from Exposure to Fusarium fujikuroi Culture Material (M-1214) Containing Known Concentrations of Moniliformin. Archives of Environmental Contamination and Toxicology. 35(3): 513-517.
Morgan M, Schroeder J, Rottinghaus G, Powell D, Bursian S, and Aulerich R. 1997. Dietary Fumonisins Disrupt Sphingolipid Metabolism in Mink (Mustela vison) and Increase the Free Sphinganine to Sphingosine Ratio in Urine but Not in Hair. Veterinary and Human Toxicology. 39: 334-336.
Morgan M, Scheuerman P, Bishop C, and Pyles R. 1996. The Teratogenic Potential of Atrazine and 2,4-D Using FETAX. Journal of Toxicology and Evironmental Health. 48: 151-168.
SELECTED PRESENTATIONS (16 out of 32 from 2003 to present)
Morgan M, Sobus J, Tornero-Velez R, Xue J., Thomas K, and Tan C. 2009. Biomonitoring: Current Tools
and Approaches for Assessing Human Exposures to Non-Persistent Chemicals. Human Health
Research Program’s (HHRP) Board of Scientific Counselors (BOSC) review in RTP, NC (presenter).
Sheldon L, Morgan M, and Sobus J. 2009. Uncertainties and future research directions. Congressional
staffers, Washington DC.
Morgan M, Tulve N, Egeghy P, Okino M, and Fortmann R. 2008. Assessing human exposures to
chemicals using biomonitoring. NERL’s Human Exposure and Atmospheric Sciences Division’s (5-
year) Peer Review, RTP, NC (presenter).
Dary C, Vallero D, Geogopoulus P, Tornero-Velez R, Morgan M, Okino M, Dellarco M, Power F, and Blancato J. 2007. Characterizing chemical exposure from biomonitoring data using the Exposure Related Dose Estimating Model (ERDEM). 17th Annual International Conference on Environmental Epidemiology and Exposure, Durham, NC.
Figueroa Z, Morgan M, Jones P, Croghan C, Sheldon L, and Calafat A. 2007. An observational study on the potential exposures of 111 preschool children to bisphenol-A in their everyday environments. 17th Annual International Conference on Environmental Epidemiology and Exposure, Durham, NC.
Morgan M, Jones P, Egeghy P, Croghan C, Sheldon L, and Barr D. 2007. Cumulative exposures of 111 preschool children to diazinon and chlorpyrifos in their everyday environments. International Conference on Environmental Epidemiology and Exposure, Durham, North Carolina (presenter).
Morgan M, Sheldon L, and Okino M. 2007. Interpretation of human biomonitoring data using a forward
dosimetry approach: permethrin a case study. Public Health Applications of Human Biomonitoring
Meeting, sponsored by the U.S. EPA and the International Council of Chemical Associations.
Research Triangle Park, North Carolina (invited speaker).
Morgan M. Children’s exposure to bisphenol-A and phthalate diesters from multiple sources and pathways. 2007. U.S. EPA Workshop on Building an Integrated Surveillance System for Emerging Chemicals in the Great Lakes and Nationwide, Chicago, Illinois (invited speaker).
Morgan M, Sheldon L, Thomas K, Egeghy P, Croghan C, and Jones P. 2007. An observational study of 135 children and their adult caregivers at their homes; important sources and pathways of exposure to 2,4-D. Office of Pesticide Programs; Risk Assessment Training & Certification Program, Washington D.C. (invited speaker).
Morgan M, Stout D, and Egeghy P. 2007. The potential for human exposures to pet-borne diazinon residues following residential lawn applications. American Chemical Society National Meeting, Chicago, IL (invited speaker).
Okino M, Morgan M, Thompson C, Thomas K, Quackenboss J, Chapa G, Tornero-Velez R, Tsang A, Power F, and Dary C. 2006. Analysis of urinary biomarker data using pharmacokinetic models to assess exposure. Society for Risk Analysis Annual meeting, Baltimore, Maryland.
Morgan M and Sheldon L. 2006. How Can Biomonitoring Inform Exposure Assessment? Permethrin A Case Study. Society for Risk Analysis Annual meeting, Baltimore, Maryland (invited speaker).
Morgan M, Sheldon L, Croghan C, Jones P, Chuang J, and Wilson N. 2006. Levels Of 2,4-Dichlorophenoxyacetic Acid In The Homes And Urine Of 135 Preschool Children And Their Adult Caregivers In North Carolina And Ohio. International Conference on Environmental Epidemiology and Exposure, Paris, France (presenter).
Morgan M, Stout D, and Barr D. 2006. Pilot Study of The Potential for Human Exposures to Pet-borne Diazinon Residues Following Lawn Applications in North Carolina. International Conference on Environmental Epidemiology and Exposure, Paris, France (presenter).
Morgan M and Sheldon L. 2006. An observational study of the exposures of preschool children to chlorpyrifos and its degradation product 3, 5, 6-trichloro-2-pyridinol in their everyday environments. International Workshop on Interpreting Biomonitoring Data, sponsored International Council of Chemical Associations. Minneapolis, MN (invited speaker).
Morgan M, Sheldon L, Croghan C, Jones P, Chuang J, and Wilson N. 2006. Levels Of 2,4-Dichlorophenoxyacetic Acid In The Homes And Urine Of 135 Preschool Children And Their Adult Caregivers In North Carolina And Ohio. International Conference on Environmental Epidemiology and Exposure, Paris, France (presenter).
NARRATIVE
My research primarily focuses on the exposures of humans to chemicals, particularly to pesticides, in their environments. My current interest is conducting research that provides a better understanding of the quantitative relationships between human exposures to non-persistent chemicals and urinary biomarkers of exposure.