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Steven Eikenbary
Associate Scientist

Steven Eikenbary

Associate Scientist

Mr. Steven Eikenbary is an environmental scientist with 5 years of analytical, field, and laboratory experience. He received his M.S. in environmental science from Western Washington University in 2020 and a B.S. in marine science from California State University, Monterey Bay, in 2017. Mr. Eikenbary has conducted probabilistic and quantitative analyses to determine the key contributors to risk for state and federally listed species, as well as analysis and management of large data sets. His work includes the development of Bayesian network models for probabilistic risk assessment, statistical analyses using R, and the use of ArcGIS for spatial analyses.

Mr. Eikenbary also has expe...

Mr. Steven Eikenbary is an environmental scientist with 5 years of analytical, field, and laboratory experience. He received his M.S. in environmental science from Western Washington University in 2020 and a B.S. in marine science from California State University, Monterey Bay, in 2017. Mr. Eikenbary has conducted probabilistic and quantitative analyses to determine the key contributors to risk for state and federally listed species, as well as analysis and management of large data sets. His work includes the development of Bayesian network models for probabilistic risk assessment, statistical analyses using R, and the use of ArcGIS for spatial analyses.

Mr. Eikenbary also has experience with use of Bayesian network tools for the risk assessment of synthetic biology products as vectors to control disease. He is familiar with both ecotoxicology and risk assessment from researching pelagic species decline in the upper San Francisco Estuary. As a hydrologic technician for USGS, he previously conducted fieldwork primarily to assist with the National Streamflow Network, including collecting streamflow and flood stage high water measurements, and is highly familiar with survey and level techniques. He acquired laboratory experience while researching the effects of ocean acidification and hypoxia on rockfish, including experimental setup and maintenance of day-to-day treatments. Mr. Eikenbary has experience in resource protection and drafted a multi-pronged action plan aimed at reducing vessel groundings and abandonments within the waters of the five West Coast National Marine Sanctuaries.

 

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Ecological Risk Assessment

Synthetic Biology Risk Assessment, Ponce, Puerto Rico Used Bayesian network tools to develop a risk assessment for the use of gene drive modified Aedes aegypti mosquitoes as vectors to control dengue and Zika virus, using Ponce, Puerto Rico, as a case study. The risk assessment showed that synthetic biology products could be incorporated into the Bayesian network risk assessment framework. Both human health and ecological endpoints were incorporated into the risk assessment. Additional sensitivity analyses showed the potential variables related to gene drive releases that contribute most to overall model uncertainty.
Risk Assessment for the Upper San Francisco Estuary, California Applied the Bayesian network relative risk assessment approach to model risk to marine and freshwater species within the upper San Francisco Estuary of California. Analyzed large data sets with regard to spatial and temporal scope that were of interest to state regulatory agencies. The goals of the risk assessment were to determine the key contributors of risk to pelagic species decline within the study area.
Mercury Contamination Human Health Risk Assessment, Gulf of Thailand Provided analytical support for an ecological and human health risk assessment in the Gulf of Thailand. Assessed the contribution to risk from mercury concentrations in offshore demersal and pelagic fish species to the local fishery.

Environmental Analytics

Litigation Support Projects Related to Organochlorine Compounds, Multiple Sites, United States Contributed to the analysis of sum total organochlorine compounds concentrations at multiple litigation sites throughout the United States. Data sets included were vast and varied in both spatial and temporal scope and therefore required evaluation for completeness, accuracy, and reliability. Analyses, subsequent output, figures, and summaries of data sets have been conducted and produced using R and GIS.
Offshore Wind Farm EMF Assessment, East Coast, United States Contributed to support of team modeling electromagnetic fields (EMFs) produced by offshore and onshore windfarm projects. Project specialization was relating modeled EMF levels to impacts to marine life.
Centredale Manor Restoration Project Superfund Site, Rhode Island Assisted with analysis of water quality constituents for an ecological baseline pre-design investigation to characterize contemporary, pre-remedial baseline concentrations of constituents of concern. Provided support drafting figures using GIS.
Groundwater Per- and Polyfluoroalkyl Substances (PFAS) Analysis, United States Produced figures using GIS to show relative PFAS concentrations in groundwater samples from a site previously used in firefighting training and operations.
Juvenile Rockfish Physiology, Monterey Bay, California Assisted with research studying the effects of ocean acidification and hypoxia on rockfish early life history.  Facilitated experimental setup, data acquisition, statistical analyses, and interpretation of results.  Aided with fish husbandry and maintenance of day-to-day treatment levels.

Natural Resource Damage Assessment

Mining Site, Western United States Currently providing support for technical consultation for natural resource damages claim involving injuries to surface water and terrestrial habitats allegedly related to releases from mining activities.
Manufacturing Site, Eastern United States Provided technical and analytical support for technical consultation for natural resource damages claim involving injuries to aquatic habitats allegedly related to releases from manufacturing activities.

Policy Analysis

Vessel Groundings, Monterey, California Developed a database to assess the environmental and fiscal impacts of vessel groundings and abandonments within the waters of the five West Coast National Marine Sanctuaries.  Drafted an action plan to reduce vessel incidents to be used by resource protection managers and sanctuary staff.  Led advisory meetings to integrate local and regional responses.
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