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Dennis Paustenbach

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Dennis J. Paustenbach PhD, CIH, DABT, (born Oct 29, 1952) is an American scientist, businessman, researcher, and author. Dennis is the senior scientist and head of the risk assessment group at TRC Companies which is an international engineering firm. Paustenbach’s group risk methods to characterize occupational and environmental health hazards. He is the founder and former president of ChemRisk, a consulting firm specializing in the use of toxicology, exposure science, epidemiology and health physics to characterize the hazards of chemicals in soil, air, water, food, sediments and consumer products. He was, for about 4 years, a Group Vice-President at Exponent; a publicly traded consulting firm.[1] He has been criticized for ChemRisk's role in serving the Pacific Gas and Electric Company in a case involving contamination with hexavalent chromium, which later became the basis for the film Erin Brokovich.[2][3]

Paustenbach has published approximately 320 peer-reviewed papers in scientific journals, about 55 book chapters, and has presented nearly 350 papers at various scientific conferences during his career. He has been hired by many companies and industry groups to provide expert testimony for defendants in lawsuits involving the health hazards posed by various carcinogenic and toxic hazards,[4] including asbestos.[5] In 2005, Paustenbach was accused of failing to disclose industry funding on an epidemiological study of hexavalent chromium and cancer risk and using ghostwriters to conceal ChemRisk's conduct of the study.[6]

Early life and education

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Paustenbach was born in Tarentum, Pennsylvania (a Pittsburgh suburb) in 1952. He left his hometown after first grade and moved to Akron, Ohio, where he attended St. Matthews. His family later moved to Strasburg, Ohio, which was in a rural setting adjacent to many Amish communities, where he graduated from high school.[7]

In 1974, Paustenbach graduated from the Rose Polytechnic Institute with a BS in Chemical Engineering (now Rose-Hulman Institute) where he was a Kemper Scholar. He joined Eli Lilly and Company as an engineer and industrial hygienist. After working at Eli Lilly, a pharmaceutical firm, for two years, he decided he needed an advanced degree. He took an educational leave and enrolled at University of Michigan to pursue an MS in Industrial Hygiene and Toxicology, which he completed in 1977. He returned to Eli Lilly. He took another educational leave 3 years later and then earned a PhD in environmental toxicology from Purdue University in 1982. While studying for his PhD, he founded the undergraduate/graduate programs in industrial hygiene at Purdue where he taught industrial hygiene, environmental epidemiology and industrial toxicology. After his PhD, he became the head of risk assessment at Stauffer Chemical in Westport, Connecticut.

Career

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Paustenbach twice started the environmental consulting firm, ChemRisk. The firm applied the principles of health risk assessment to quantitatively characterize the risk to humans of chemicals in foods, water, air, sediment, soil, and consumer products.[8] In 1987, Chemrisk became a joint venture with McLaren Engineering. ChemRisk grew to have about 125 persons in 10 locations in the U.S. and Australia between 1987-1995. In 1993, Paustenbach was selected to be the President and CEO of McLaren-Hart Environmental Engineering, a national firm with 15 offices and 600 employees. He was the youngest CEO of a major engineering firm in this industry.[9]

In the 1980s and 1990s, Paustenbach conducted research into the dioxins and furans. Among his first major undertakings was characterizing the health hazards posed by dioxin contaminated soil including the site in Times Beach, Missouri and 37 other related sites.[10] In the 1990s, he conducted research evaluating the hazards posed by occupational exposure to pharmaceuticals, benzene, nitrosamines, beryllium,[11] and formaldehyde. Also, in the 1990s, he published many studies which evaluated the exposure and health hazards associated with exposure to hexavalent chromium[12][13] which were pertinent to Hinkley, CA and Hudson County, NJ. He was the lead scientist in conducting dose-reconstructions at several nuclear arsenals: Rocky Flats, Los Alamos, Oak Ridge, and Hanford (the largest assessments ever conducted). From about 2000 to 2024, he performed more than 1,000 risk assessments on many different topics including asbestos exposure of auto mechanics and tradesmen,[14] benzene exposure in refineries, lead in consumer products, arsenic in wine,[15] perfluorinated chemicals in groundwater,[16] MCHM in drinking water, hydrocarbons in drinking water, and PFAS in drinking water.[17] Paustenbach and colleagues developed many of the earliest guidelines for identifying safe levels of exposure in the workplace and multi-pathway exposure assessment methods. Later, he conducted research involving the release of cobalt and chromium from medical devices.[18] ChemRisk was sold to Cardno Engineering of Australia in 2014.[19]

In April 2019, Dennis founded and became president of Paustenbach and Associates. The consulting firm had 3 offices, 19 full-time professionals, and several “at will” professionals. In August 2024, the firm was purchased by TRC, an engineering firm, and Paustenbach became a risk assessment group leader and chief scientist.[20]

Professor

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Paustenbach has served as an adjunct professor at seven universities. Specifically, University of Texas (Houston), Purdue University, University of Bridgeport, University of Massachusetts (Amherst), University of California at Irvine School of Medicine (clinical professor of Occupational Medicine), University of Michigan (Ann Arbor) and, currently, the University of Kansas Medical School (Kansas City).[21]

He was awarded an honorary Doctor of Science degree from Purdue University in 2006[22] and a Doctor of Engineering from the Rose-Hulman Institute of Technology in 2007.[23]

Philanthropy

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In recent years, Paustenbach was involved in fundraising for Bellarmine College Preparatory, The Sacred Heart Schools, Purdue University, The University of Michigan, The Jackson Laboratory for Genomic Medicine,[24] Peninsula Bridge of Menlo Park (California), The Roux Institute for AI and Genomic Medicine (Maine),[1] The Alan Alda Center for Communicating Science at Stony Brook University, Indiana Landmarks, the Mayo Clinic, the Enfield Shaker Village/Museum (New Hampshire) and The Shakers of Sabbathday Lake (Maine).[1]

Books

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  • The Risk Assessment of Environmental and Human Health Hazards: A Textbook of Case Studies (1989)[25]
  • Human and Ecological Risk Assessment: Theory and Practice (2002).[26]

Awards and honors

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See also

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References

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  1. ^ a b c Conti, Mark (6 January 2023). "Fly-fishing, friendship and how a philanthropist's $1M gift will help build Maine's future". Northeastern Global News.
  2. ^ Waldman, Peter. "Study Tied Pollutant to Cancer; Then Consultants Got Hold of It". The Wall Street Journal. Retrieved 4 October 2024.
  3. ^ Wiles, Richard (4 August 2006). "EWG Challenges Paustenbach to Come Clean". Environmental Working Group. Retrieved 4 October 2024.
  4. ^ Meier, Barry (11 Oct 2015). "Science Consultant Pushes Back Against Unlikely Opponents". The New York Times. Retrieved 6 October 2024.
  5. ^ Paustenbach, Dennis; Stevens, Michael; Tuttle, Brett (2024). "Occupational exposure to asbestos in the steel industry (1972-2006)". J Expo Sci Environ Epidemiol. 34 (3): 465–495. Bibcode:2024JESEE..34..465P. doi:10.1038/s41370-023-00576-4. PMC 11222148. PMID 37495866.
  6. ^ Wiles, Richard (4 August 2006). "EWG Challenges Paustenbach to Come Clean". Environmental Working Group. Retrieved 4 October 2024.
  7. ^ Clawson, J. "I never thought of it as work".
  8. ^ "Dennis J Paustenbach's research while affiliated with Cardno ChemRisk and other places". Research Gate.
  9. ^ Heath, David (13 March 2013). "How industry scientists stalled action on carcinogen". Center for Public Integrity.
  10. ^ Paustenbach, Dennis; Shu, F.J. (1986). "A Critical Examination of Assumptions Used in Risk Assessments of Dioxin Contaminated Soil". Regulatory Toxicology and Pharmacology. 6 (3): 284–307. doi:10.1016/0273-2300(86)90019-X. PMID 3775086.
  11. ^ Paustenbach, Dennis (2011). "20: The history and biological basis of occupational exposure limits for chemical agents". Patty's Industrial Hygiene (Sixth ed.). New York, NY: John Wiley & Sons. pp. 865–955. doi:10.1002/0471435139.hyg041.pub2. ISBN 9780471125327.
  12. ^ Finley, B.L; Kerger, M.W. (1997). "Human Ingestion of Chromium (VI) in Drinking Water: Pharmacokinetics following repeated exposure". Toxicology and Applied Pharmacology. 142 (1): 151–159. Bibcode:1997ToxAP.142..151F. doi:10.1006/taap.1996.7993. PMID 9007044.
  13. ^ "America's toxic legacy may leave behind a half-million deaths". ICIJ. 21 July 2010.
  14. ^ Paustenbach, D.J.; Finley, B.L. (2004). "Environmental and occupational health hazards associated with the presence of asbestos in brake linings and pads (1900 to present): A "state-of-the-art" review". Journal of Toxicology and Environmental Health, Part B. 7 (1): 33–110. Bibcode:2004JTEHB...7...25P. doi:10.1080/10937400490231494. PMID 14681081. S2CID 22880396.
  15. ^ Monnot, A.; Tvermoes, R. (2016). "Risks associated with arsenic exposure resulting from consumption of California wines sold in the United States". Food Chemistry. 211: 107–113. doi:10.1016/j.foodchem.2016.05.013. PMID 27283613.
  16. ^ Paustenbach, D.J.; Panko, P.K. (2006). "A methodology for estimating human exposure to perfluorooctanoic acid (PFOA): A retrospective exposure assessment of a community (1951-2003)". Journal of Toxicology and Environmental Health, Part A. 70 (1): 28–57. Bibcode:2006JTEHA..70...28P. doi:10.1080/15287390600748815. PMID 17162497. S2CID 1653667.
  17. ^ Paustenbach, D.J.; Winans, Bethany (2015). "The toxicity of crude 4-methylcyclohexanemethanol (MCHM): Review of experimental data and results of predictive models for its constituents and a putative metabolite". Critical Reviews in Toxicology. 45 (1–55): 1–55. doi:10.3109/10408444.2015.1076376. PMID 26509789. S2CID 207506065.
  18. ^ Christian, W.V.; Oliver, D.J. (2014). "Toxicology-based cancer causation analysis of CoCr-containing hip implants: A quantitative assessment of genotoxicity and tumorigenicity studies". Journal of Applied Toxicology. 34 (9): 939–967. doi:10.1002/jat.3039. PMID 25080401. S2CID 20985913.
  19. ^ Morris, Jim (16 February 2016). "Ford Spent $40 Million to Reshape Asbestos Science". VICE.
  20. ^ "TRC acquires Paustenbach & Associates, a Leader in Toxicology, Exposure Science and Risk Assessment". TRC.
  21. ^ "Faculty". University of Kansas Medical Center.
  22. ^ "2006 Honorary Degree Dennis J. Paustenbach". Purdue University.
  23. ^ "2007 Rose-Hulman Institute of Technology : OneHundred and Twenty-Ninth Commencement". Rose-Hulman Institute of Technology.
  24. ^ "The Jackson Laboratory lands $1 million planned gift". Hartford Business Journal.
  25. ^ Fingleton, Donald J. (August 1991). "The risk assessment of environmental and human health hazards: A Textbook of Case Studies by Dennis J. Paustenbach, John Wiley & Sons, New York, NY, (1989), 1155 pages, [ISBN No.: 0471-84998-7] U.S. List Price: $130.00". Environmental Progress. 10 (3). doi:10.1002/ep.670100305. ISSN 0278-4491.
  26. ^ Logan, Dennis T. (September 2004). "Human and Ecological Risk Assessment: Theory and Practice. Dennis Paustenbach, ed. 2002. John Wiley & Sons, New York. 1,556 pp. $150 hardcover". Environmental Practice. 6 (3): 257–258. doi:10.1017/S1466046604210407.
  27. ^ "Kusnetz Award". American Industrial Hygiene Association. Archived from the original on 30 October 2018.
  28. ^ "SRA Award Winners Announced at 1997 Annual Meeting" (PDF). SRA.
  29. ^ "2002 Award Winners" (PDF). Society of Toxicology.
  30. ^ "Fellows of AIHA". American Industrial Hygiene Association.
  31. ^ "AIHA Recognizes Dennis Paustenbach With 29th Annual Smyth Award". EHS Today. 17 September 2010.
  32. ^ "Edward J. Baier Award". AIHA.
  33. ^ "Fellows of the Society". SRA.
  34. ^ "2015 HHS Award Recipients". School of Health Sciences.
  35. ^ https://www.toxicology.org/groups/ss/MDCPSS/docs/MDCPSS_NL_Summer2015.pdf
  36. ^ https://cdn.ymaws.com/toxforum.site-ym.com/resource/resmgr/site_pdfs/philippe_shubik_awardees.pdf
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