Stephen T. Washburn Msc(eng)

Biography

Mr. Stephen T. Washburn, also known as Steve, serves as the Chief Executive Officer and Principal of Environ International Corporation. Mr. Washburn has been Group Executive Director of Ramboll Group A/S since February 7, 2017 and its Member of group Executive Board since January 1, 2015. He served as Group Executive Director of Global Practices at Ramboll Group A/S since January 1, 2015 until February 7, 2017. He served as Managing Principal of Emeryville at Environ International Corporation. He has over 20 years of experience in environmental science and engineering, with special emphasis on risk assessment and risk-based remediation. Mr. Washburn's specific areas of expertise include contaminant fate and transport, exposure assessment, risk assessment, risk-based evaluation and remediation of hazardous waste and industrial sites and hazardous waste management. He also provided litigation support and acted as an expert witness on matters related to exposure assessment, risk assessment and site remediation. Mr. Washburn's experience highlights are risk assessment, remedial design, remedy selection, development of site investigation strategies and litigation support at Superfund, RCRA and other hazardous waste or industrial sites. He oversees air quality evaluations and risk assessments at a broad array of industrial facilities, hazardous waste sites, transportation facilities (including airports), combustion facilities and residential dwellings. He has exposure and risk evaluations for consumer products including textiles, glue, paints, solvents, roadway materials, paper products and petroleum-based materials. Mr. Washburn's ecological risk assessments at hazardous waste sites, industrial facilities and incinerators. He was selected by US EPA to serve on the external expert peer review panels for the Guidance on Surface Soil Cleanup at Hazardous Waste Sites: Implementing Cleanup Levels, the Human Health Risk Assessment Protocol for Hazardous Waste Combustion Facilities, the Human Health Risk Assessment for the housatonic River Site and for the Multimedia, Multi-pathway and Multiple Receptor Risk Assessment (3MRA) model developed for the Hazardous Waste Identification Rule (HWIR). Mr. Washburn has expert testimony in the areas of risk assessment, exposure assessment and hazardous waste management, litigation support in various contexts, including toxic tort, insurance, cost allocation/cost recovery and bankruptcy matters. His Service Areas are Air Quality Management, Corporate Responsibility, Litigation Support, Risk Assessment & Risk Management Site Solutions, Health Sciences: Consumer Products, Industrial Chemicals & Environmental Contaminants, Nanotechnology and Product-Related Regulatory Support. His Honors and Awards include: One of nine scientists selected by American Society for Testing and Materials (ASTM) to provide training to state regulatory agencies on Risk-Based Corrective Action (RBCA). He was designated by the US Army Environmental Center as a Subject Matter Expert in the areas of risk assessment and decision analysis. Mr. Washburn holds M.S. in Chemical Engineering from Massachusetts Institute of Technology and B.S.E. in Chemical Engineering from Princeton University.

Research Interest

 Environmental & Analytical Toxicology