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Gradient

Principals

Tim Verslycke, Ph.D.
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Education

Ph.D., Bio-Engineering/ Applied Biological Sciences, Ghent University, Belgium

M.S., Bio-Engineering/ Environmental Technology, Ghent University, Belgium

B.A., Bio-Engineering/ Environmental Technology, Ghent University, Belgium

Expertise

  • Natural Resource Damage Assessment
  • Product Environmental Safety Assessment
  • Emerging Contaminants
  • Ecotoxicology and Ecological Risk Assessment

Tim Verslycke, Ph.D.

Principal

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Dr. Verslycke has 20 years of combined consulting and academic research experience in ecotoxicology and ecological risk assessment.  His areas of expertise include ecotoxicology and ecological risk assessment; natural resource damage assessment; industrial and consumer product environmental safety assessment; and emerging contaminants. He has authored over 40 peer-reviewed journal articles and book chapters in these topic areas.  Dr. Verslycke previously held an academic position in the Biology Department at the Woods Hole Oceanographic Institution (Woods Hole, MA).  He previously served on the Steering Committee of SETAC’s Global Endocrine Disrupter Testing and Risk Assessment Advisory Group and SETAC’s Global Pharmaceutical Advisory Group.  He currently serves on US EPA’s Board of Scientific Counselors Safe and Sustainable Water Resources Subcommittee.  He is a founding member and currently serves as vice-president of SETAC’s International Board of Environmental Risk Assessors (IBERA). IBERA will establish the first international certification program in ecological risk assessment. He is a former President of the SETAC North Atlantic Chapter.  He is also a former scientific advisor to the Center for Health and Environment of the Flanders Regional Government (Belgium) and a former member of the scientific committee of the Flanders Marine Institute (VLIZ, Belgium).

Education

Ph.D., Bio-Engineering/ Applied Biological Sciences, Ghent University, Belgium

M.S., Bio-Engineering/ Environmental Technology, Ghent University, Belgium

B.A., Bio-Engineering/ Environmental Technology, Ghent University, Belgium

Expertise

  • Natural Resource Damage Assessment
  • Product Environmental Safety Assessment
  • Emerging Contaminants
  • Ecotoxicology and Ecological Risk Assessment

Services

Representative Projects

Site Ecological Risk Assessments:  Conducted ecological risk assessments at numerous US and international industrial sites.

Environmental Stewardship:  For multiple global companies, developed methods to compile, score, and rank hazards associated with their products.

Pharmaceutical Environmental Risk Assessments:  For multiple pharmaceutical companies, evaluated the environmental risk associated with the societal use of their products, compliant with either European (EMA) or US (FDA) risk assessment guidelines.  As part of several assessments, oversaw the collection of additional environmental fate and toxicity test data.

Regulatory Comment:  On behalf of companies, trade associations, and non-profits, provided comments on proposed regulations, such as revisions to the CT’s Remedial Standard Regulations and NY’s proposed regulation for hydraulic fracturing.

Secondary NAAQS:  On behalf of trade associations, provided written and oral comments to the Clean Air Scientific Advisory Committee (CASAC) and to US EPA on welfare risk and exposure issues in the context of US EPA’s National Ambient Air Quality Standards (NAAQS) for ozone and lead.

Emerging Contaminants: In the context of a wide variety of projects, provided consulting and expert support related to the environmental safety of various contaminants of emerging concern, such as endocrine disruptors, pharmaceuticals, 1,4-dioxane, PFAS, microplastics, etc.

Endocrine Disruptors: Served as coauthor and lead technical expert on the Integrated Summary Report (ISR) of the Invertebrate (Mysid) Two-Generation Toxicity Test being proposed as a Tier 2 testing assay under US EPA’s Endocrine Disruptor Screening Program.

Selected Publications

Wait, D; Verslycke, T.  2019. "Expert insight: Uniform data quality ecotoxicity assessment." In Natural Resource Damages: A Guide to Litigating and Resolving NRD Cases. (Israel, BD; Marston, B; Daniel, L), American Bar Association, Chicago, IL, p213-215.

Mebane, CA; Sumpter, JP; Fairbrother, A; Augspurger, TP; Canfield, TJ; Goodfellow, WL; Guiney, PD; LeHuray, A; Maltby, L; Mayfield, DB; McLaughlin, MJ; Ortego, LS; Schlekat, T; Scroggins, RP; Verslycke, TA.  2018. "Scientific integrity issues in environmental toxicology and chemistry: Improving research reproducibility, credibility, and transparency." Integr. Environ. Assess. Manag.

Marty, MS; Blankinship, A; Chambers, J; Constantine, L; Kloas, W; Kumar, A; Lagadic, L; Meador, J; Pickford, D; Schwarz, T; Verslycke, T.  2017. "Population-relevant endpoints in the evaluation of endocrine-active substances (EAS) for ecotoxicological hazard and risk assessment." Integr. Environ. Assess. Manag. 13 : 317-330.

Verslycke, T; Mayfield, DB; Tabony, JA; Capdevielle, M; Slezak, B.  2016. "Human health risk assessment of triclosan in land-applied biosolids." Environ. Toxicol. Chem. 35 : 2358-2367.

Verslycke, T; Reid, K; Bowers, T; Thakali, S; Lewis, A; Sanders, J; Tuck, D.  2014. "The Chemistry Scoring Index (CSI): A hazard-based scoring and ranking tool for chemicals and products used in the oil and gas industry." Sustainability 6 : 3993-4009.

See All Tim Verslycke Publications