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Expert Services


ENVIRON has been providing consulting services, expert testimony, strategic advice, and technical litigation support to clients since its inception in 1982. We have worked on many seminal environmental, toxic tort, and product liability cases. ENVIRON’s practitioners are well versed in the nuanced procedures that constitute federal and state court proceedings and have worked with most of the large national and regional law firms. We recognize the importance of well-reasoned expert opinions based on defensible science, rigorous analysis, and an intimate understanding of environmental practice, policy and regulation.

Before judges and juries, where effective communication hinges upon clarity of thought and presentation, ENVIRON’s skills play a key role in providing successful expert testimony. Our nationally recognized experts are experienced in many fields and topics, including the following:

  • CERCLA cost allocation
  • National Contingency Plan (NCP) consistency
  • Site remediation appropriateness
  • Chemical fate and transport
  • Solid waste disposal
  • Source identification and fingerprinting
  • Groundwater modeling
  • Historical industrial processes
  • Manufactured gas plants
  • Vapor intrusion
  • Risk management/emergency release analysis
  • Natural resource damages
  • Sediment management and remediation
  • Net environmental benefit analysis
  • Human health risk assessment
  • Ecological risk assessment
  • Toxicology
  • Epidemiology
  • Exposure assessment
  • Exposure reconstruction
  • Food safety
  • Waste management
  • Oil and gas industry
  • Sustainability
  • Impact assessment and planning
  • Odor assessment
  • Noise assessment
  • Air quality
  • Air toxics impacts analysis
  • Indoor air quality
  • Building technology services


To discuss your issues and challenges related to Expert Services, please contact Jay Vandeven, Principal.

Contact Jay Vandeven

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Position: Principal
Phone: +1 703 516 2403
Fax: +1 703 516 2345