Tena Seeds

Senior Engineer

Tena is a professional engineer licensed in Washington with more than 21 years of experience as a technical lead or project manager for environmental site characterization and remediation projects throughout Washington, Oregon, and California. Tena’s work for clients includes projects dealing with contaminated soil and groundwater, site characterization, remedial investigations, feasibility studies, remediation system design, vapor intrusion mitigation, groundwater treatment, permitting, environmental monitoring, and construction management. Tena has over 8 years of experience working on projects under an Agreed Order or Consent Decree from, and direct oversight by, Ecology and has successfully obtained “No Further Action” status for several sites through Ecology’s Voluntary Cleanup Program (VCP).

Proficiencies and Experience

  • Soil and Groundwater Characterization, Investigation, and Assessments
  • Remedial Investigations and Feasibility Studies
  • Terrestrial Ecological Evaluations
  • Cleanup Action Plan Development and Permitting
  • Air Sparging/Soil Vapor Extraction (AS/SVE)
  • In Situ Chemical Oxidation and Enhanced Biological Treatment
  • Monitored Natural Attenuation
  • CERCLA/RCRA/TSCA Compliance
  • Consulting Expert Support
  • Insurance Defense and Coverage Support
  • Regulatory Strategy Development, Closure, and NFA Support