EHS Support is pleased to welcome Jeff Johnson as a Principal Scientist specializing in Contaminated Site Assessment, Risk Assessment, and Applied Toxicology.
Jeff is a senior aquatic toxicologist and ecological risk assessment specialist with more than 25 years of experience leading complex investigations at contaminated sediment sites. He provides strategic technical direction for projects under CERCLA, RCRA, and state voluntary remediation programs, developing defensible investigation and risk assessment approaches that integrate sediment, surface water, and groundwater-to-surface water interaction pathways using weight-of-evidence methodologies.
His expertise includes contaminated sediment assessment and monitoring, Natural Resource Damage Assessments, in-situ toxicological and biological studies, ecological community assessments, and comprehensive sediment and water quality evaluations. Jeff also supports environmental compliance initiatives, including NPDES permitting and selenium fish tissue assessments.
Jeff’s extensive experience, collaborative approach to project management, and proven ability to lead multidisciplinary teams and mentor staff make him a valuable addition to EHS Support. Please join us in welcoming him to the team!
